\" ).append( jQuery.parseHTML( responseText ) ).find( selector ) :\n\n\t\t\t\t// Otherwise use the full result\n\t\t\t\tresponseText );\n\n\t\t// If the request succeeds, this function gets \"data\", \"status\", \"jqXHR\"\n\t\t// but they are ignored because response was set above.\n\t\t// If it fails, this function gets \"jqXHR\", \"status\", \"error\"\n\t\t} ).always( callback && function( jqXHR, status ) {\n\t\t\tself.each( function() {\n\t\t\t\tcallback.apply( this, response || [ jqXHR.responseText, status, jqXHR ] );\n\t\t\t} );\n\t\t} );\n\t}\n\n\treturn this;\n};\n\n\n\n\n// Attach a bunch of functions for handling common AJAX events\njQuery.each( [\n\t\"ajaxStart\",\n\t\"ajaxStop\",\n\t\"ajaxComplete\",\n\t\"ajaxError\",\n\t\"ajaxSuccess\",\n\t\"ajaxSend\"\n], function( i, type ) {\n\tjQuery.fn[ type ] = function( fn ) {\n\t\treturn this.on( type, fn );\n\t};\n} );\n\n\n\n\njQuery.expr.filters.animated = function( elem ) {\n\treturn jQuery.grep( jQuery.timers, function( fn ) {\n\t\treturn elem === fn.elem;\n\t} ).length;\n};\n\n\n\n\n\n/**\n * Gets a window from an element\n */\nfunction getWindow( elem ) {\n\treturn jQuery.isWindow( elem ) ?\n\t\telem :\n\t\telem.nodeType === 9 ?\n\t\t\telem.defaultView || elem.parentWindow :\n\t\t\tfalse;\n}\n\njQuery.offset = {\n\tsetOffset: function( elem, options, i ) {\n\t\tvar curPosition, curLeft, curCSSTop, curTop, curOffset, curCSSLeft, calculatePosition,\n\t\t\tposition = jQuery.css( elem, \"position\" ),\n\t\t\tcurElem = jQuery( elem ),\n\t\t\tprops = {};\n\n\t\t// set position first, in-case top/left are set even on static elem\n\t\tif ( position === \"static\" ) {\n\t\t\telem.style.position = \"relative\";\n\t\t}\n\n\t\tcurOffset = curElem.offset();\n\t\tcurCSSTop = jQuery.css( elem, \"top\" );\n\t\tcurCSSLeft = jQuery.css( elem, \"left\" );\n\t\tcalculatePosition = ( position === \"absolute\" || position === \"fixed\" ) &&\n\t\t\tjQuery.inArray( \"auto\", [ curCSSTop, curCSSLeft ] ) > -1;\n\n\t\t// need to be able to calculate position if either top or left\n\t\t// is auto and position is either absolute or fixed\n\t\tif ( calculatePosition ) {\n\t\t\tcurPosition = curElem.position();\n\t\t\tcurTop = curPosition.top;\n\t\t\tcurLeft = curPosition.left;\n\t\t} else {\n\t\t\tcurTop = parseFloat( curCSSTop ) || 0;\n\t\t\tcurLeft = parseFloat( curCSSLeft ) || 0;\n\t\t}\n\n\t\tif ( jQuery.isFunction( options ) ) {\n\n\t\t\t// Use jQuery.extend here to allow modification of coordinates argument (gh-1848)\n\t\t\toptions = options.call( elem, i, jQuery.extend( {}, curOffset ) );\n\t\t}\n\n\t\tif ( options.top != null ) {\n\t\t\tprops.top = ( options.top - curOffset.top ) + curTop;\n\t\t}\n\t\tif ( options.left != null ) {\n\t\t\tprops.left = ( options.left - curOffset.left ) + curLeft;\n\t\t}\n\n\t\tif ( \"using\" in options ) {\n\t\t\toptions.using.call( elem, props );\n\t\t} else {\n\t\t\tcurElem.css( props );\n\t\t}\n\t}\n};\n\njQuery.fn.extend( {\n\toffset: function( options ) {\n\t\tif ( arguments.length ) {\n\t\t\treturn options === undefined ?\n\t\t\t\tthis :\n\t\t\t\tthis.each( function( i ) {\n\t\t\t\t\tjQuery.offset.setOffset( this, options, i );\n\t\t\t\t} );\n\t\t}\n\n\t\tvar docElem, win,\n\t\t\tbox = { top: 0, left: 0 },\n\t\t\telem = this[ 0 ],\n\t\t\tdoc = elem && elem.ownerDocument;\n\n\t\tif ( !doc ) {\n\t\t\treturn;\n\t\t}\n\n\t\tdocElem = doc.documentElement;\n\n\t\t// Make sure it's not a disconnected DOM node\n\t\tif ( !jQuery.contains( docElem, elem ) ) {\n\t\t\treturn box;\n\t\t}\n\n\t\t// If we don't have gBCR, just use 0,0 rather than error\n\t\t// BlackBerry 5, iOS 3 (original iPhone)\n\t\tif ( typeof elem.getBoundingClientRect !== \"undefined\" ) {\n\t\t\tbox = elem.getBoundingClientRect();\n\t\t}\n\t\twin = getWindow( doc );\n\t\treturn {\n\t\t\ttop: box.top + ( win.pageYOffset || docElem.scrollTop ) - ( docElem.clientTop || 0 ),\n\t\t\tleft: box.left + ( win.pageXOffset || docElem.scrollLeft ) - ( docElem.clientLeft || 0 )\n\t\t};\n\t},\n\n\tposition: function() {\n\t\tif ( !this[ 0 ] ) {\n\t\t\treturn;\n\t\t}\n\n\t\tvar offsetParent, offset,\n\t\t\tparentOffset = { top: 0, left: 0 },\n\t\t\telem = this[ 0 ];\n\n\t\t// Fixed elements are offset from window (parentOffset = {top:0, left: 0},\n\t\t// because it is its only offset parent\n\t\tif ( jQuery.css( elem, \"position\" ) === \"fixed\" ) {\n\n\t\t\t// we assume that getBoundingClientRect is available when computed position is fixed\n\t\t\toffset = elem.getBoundingClientRect();\n\t\t} else {\n\n\t\t\t// Get *real* offsetParent\n\t\t\toffsetParent = this.offsetParent();\n\n\t\t\t// Get correct offsets\n\t\t\toffset = this.offset();\n\t\t\tif ( !jQuery.nodeName( offsetParent[ 0 ], \"html\" ) ) {\n\t\t\t\tparentOffset = offsetParent.offset();\n\t\t\t}\n\n\t\t\t// Add offsetParent borders\n\t\t\tparentOffset.top += jQuery.css( offsetParent[ 0 ], \"borderTopWidth\", true );\n\t\t\tparentOffset.left += jQuery.css( offsetParent[ 0 ], \"borderLeftWidth\", true );\n\t\t}\n\n\t\t// Subtract parent offsets and element margins\n\t\t// note: when an element has margin: auto the offsetLeft and marginLeft\n\t\t// are the same in Safari causing offset.left to incorrectly be 0\n\t\treturn {\n\t\t\ttop: offset.top - parentOffset.top - jQuery.css( elem, \"marginTop\", true ),\n\t\t\tleft: offset.left - parentOffset.left - jQuery.css( elem, \"marginLeft\", true )\n\t\t};\n\t},\n\n\toffsetParent: function() {\n\t\treturn this.map( function() {\n\t\t\tvar offsetParent = this.offsetParent;\n\n\t\t\twhile ( offsetParent && ( !jQuery.nodeName( offsetParent, \"html\" ) &&\n\t\t\t\tjQuery.css( offsetParent, \"position\" ) === \"static\" ) ) {\n\t\t\t\toffsetParent = offsetParent.offsetParent;\n\t\t\t}\n\t\t\treturn offsetParent || documentElement;\n\t\t} );\n\t}\n} );\n\n// Create scrollLeft and scrollTop methods\njQuery.each( { scrollLeft: \"pageXOffset\", scrollTop: \"pageYOffset\" }, function( method, prop ) {\n\tvar top = /Y/.test( prop );\n\n\tjQuery.fn[ method ] = function( val ) {\n\t\treturn access( this, function( elem, method, val ) {\n\t\t\tvar win = getWindow( elem );\n\n\t\t\tif ( val === undefined ) {\n\t\t\t\treturn win ? ( prop in win ) ? win[ prop ] :\n\t\t\t\t\twin.document.documentElement[ method ] :\n\t\t\t\t\telem[ method ];\n\t\t\t}\n\n\t\t\tif ( win ) {\n\t\t\t\twin.scrollTo(\n\t\t\t\t\t!top ? val : jQuery( win ).scrollLeft(),\n\t\t\t\t\ttop ? val : jQuery( win ).scrollTop()\n\t\t\t\t);\n\n\t\t\t} else {\n\t\t\t\telem[ method ] = val;\n\t\t\t}\n\t\t}, method, val, arguments.length, null );\n\t};\n} );\n\n// Support: Safari<7-8+, Chrome<37-44+\n// Add the top/left cssHooks using jQuery.fn.position\n// Webkit bug: https://bugs.webkit.org/show_bug.cgi?id=29084\n// getComputedStyle returns percent when specified for top/left/bottom/right\n// rather than make the css module depend on the offset module, we just check for it here\njQuery.each( [ \"top\", \"left\" ], function( i, prop ) {\n\tjQuery.cssHooks[ prop ] = addGetHookIf( support.pixelPosition,\n\t\tfunction( elem, computed ) {\n\t\t\tif ( computed ) {\n\t\t\t\tcomputed = curCSS( elem, prop );\n\n\t\t\t\t// if curCSS returns percentage, fallback to offset\n\t\t\t\treturn rnumnonpx.test( computed ) ?\n\t\t\t\t\tjQuery( elem ).position()[ prop ] + \"px\" :\n\t\t\t\t\tcomputed;\n\t\t\t}\n\t\t}\n\t);\n} );\n\n\n// Create innerHeight, innerWidth, height, width, outerHeight and outerWidth methods\njQuery.each( { Height: \"height\", Width: \"width\" }, function( name, type ) {\n\tjQuery.each( { padding: \"inner\" + name, content: type, \"\": \"outer\" + name },\n\tfunction( defaultExtra, funcName ) {\n\n\t\t// margin is only for outerHeight, outerWidth\n\t\tjQuery.fn[ funcName ] = function( margin, value ) {\n\t\t\tvar chainable = arguments.length && ( defaultExtra || typeof margin !== \"boolean\" ),\n\t\t\t\textra = defaultExtra || ( margin === true || value === true ? \"margin\" : \"border\" );\n\n\t\t\treturn access( this, function( elem, type, value ) {\n\t\t\t\tvar doc;\n\n\t\t\t\tif ( jQuery.isWindow( elem ) ) {\n\n\t\t\t\t\t// As of 5/8/2012 this will yield incorrect results for Mobile Safari, but there\n\t\t\t\t\t// isn't a whole lot we can do. See pull request at this URL for discussion:\n\t\t\t\t\t// https://github.com/jquery/jquery/pull/764\n\t\t\t\t\treturn elem.document.documentElement[ \"client\" + name ];\n\t\t\t\t}\n\n\t\t\t\t// Get document width or height\n\t\t\t\tif ( elem.nodeType === 9 ) {\n\t\t\t\t\tdoc = elem.documentElement;\n\n\t\t\t\t\t// Either scroll[Width/Height] or offset[Width/Height] or client[Width/Height],\n\t\t\t\t\t// whichever is greatest\n\t\t\t\t\t// unfortunately, this causes bug #3838 in IE6/8 only,\n\t\t\t\t\t// but there is currently no good, small way to fix it.\n\t\t\t\t\treturn Math.max(\n\t\t\t\t\t\telem.body[ \"scroll\" + name ], doc[ \"scroll\" + name ],\n\t\t\t\t\t\telem.body[ \"offset\" + name ], doc[ \"offset\" + name ],\n\t\t\t\t\t\tdoc[ \"client\" + name ]\n\t\t\t\t\t);\n\t\t\t\t}\n\n\t\t\t\treturn value === undefined ?\n\n\t\t\t\t\t// Get width or height on the element, requesting but not forcing parseFloat\n\t\t\t\t\tjQuery.css( elem, type, extra ) :\n\n\t\t\t\t\t// Set width or height on the element\n\t\t\t\t\tjQuery.style( elem, type, value, extra );\n\t\t\t}, type, chainable ? margin : undefined, chainable, null );\n\t\t};\n\t} );\n} );\n\n\njQuery.fn.extend( {\n\n\tbind: function( types, data, fn ) {\n\t\treturn this.on( types, null, data, fn );\n\t},\n\tunbind: function( types, fn ) {\n\t\treturn this.off( types, null, fn );\n\t},\n\n\tdelegate: function( selector, types, data, fn ) {\n\t\treturn this.on( types, selector, data, fn );\n\t},\n\tundelegate: function( selector, types, fn ) {\n\n\t\t// ( namespace ) or ( selector, types [, fn] )\n\t\treturn arguments.length === 1 ?\n\t\t\tthis.off( selector, \"**\" ) :\n\t\t\tthis.off( types, selector || \"**\", fn );\n\t}\n} );\n\n// The number of elements contained in the matched element set\njQuery.fn.size = function() {\n\treturn this.length;\n};\n\njQuery.fn.andSelf = jQuery.fn.addBack;\n\n\n\n\n// Register as a named AMD module, since jQuery can be concatenated with other\n// files that may use define, but not via a proper concatenation script that\n// understands anonymous AMD modules. A named AMD is safest and most robust\n// way to register. Lowercase jquery is used because AMD module names are\n// derived from file names, and jQuery is normally delivered in a lowercase\n// file name. Do this after creating the global so that if an AMD module wants\n// to call noConflict to hide this version of jQuery, it will work.\n\n// Note that for maximum portability, libraries that are not jQuery should\n// declare themselves as anonymous modules, and avoid setting a global if an\n// AMD loader is present. jQuery is a special case. For more information, see\n// https://github.com/jrburke/requirejs/wiki/Updating-existing-libraries#wiki-anon\n\nif ( true ) {\n\t!(__WEBPACK_AMD_DEFINE_ARRAY__ = [], __WEBPACK_AMD_DEFINE_RESULT__ = function() {\n\t\treturn jQuery;\n\t}.apply(exports, __WEBPACK_AMD_DEFINE_ARRAY__),\n\t\t\t\t__WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));\n}\n\n\n\nvar\n\n\t// Map over jQuery in case of overwrite\n\t_jQuery = window.jQuery,\n\n\t// Map over the $ in case of overwrite\n\t_$ = window.$;\n\njQuery.noConflict = function( deep ) {\n\tif ( window.$ === jQuery ) {\n\t\twindow.$ = _$;\n\t}\n\n\tif ( deep && window.jQuery === jQuery ) {\n\t\twindow.jQuery = _jQuery;\n\t}\n\n\treturn jQuery;\n};\n\n// Expose jQuery and $ identifiers, even in\n// AMD (#7102#comment:10, https://github.com/jquery/jquery/pull/557)\n// and CommonJS for browser emulators (#13566)\nif ( !noGlobal ) {\n\twindow.jQuery = window.$ = jQuery;\n}\n\nreturn jQuery;\n}));\n\n\n/***/ }),\n/* 1 */\n/***/ (function(module, exports, __webpack_require__) {\n\nvar __WEBPACK_AMD_DEFINE_ARRAY__, __WEBPACK_AMD_DEFINE_RESULT__;// Underscore.js 1.8.3\n// http://underscorejs.org\n// (c) 2009-2015 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors\n// Underscore may be freely distributed under the MIT license.\n\n(function() {\n\n // Baseline setup\n // --------------\n\n // Establish the root object, `window` in the browser, or `exports` on the server.\n var root = this;\n\n // Save the previous value of the `_` variable.\n var previousUnderscore = root._;\n\n // Save bytes in the minified (but not gzipped) version:\n var ArrayProto = Array.prototype, ObjProto = Object.prototype, FuncProto = Function.prototype;\n\n // Create quick reference variables for speed access to core prototypes.\n var\n push = ArrayProto.push,\n slice = ArrayProto.slice,\n toString = ObjProto.toString,\n hasOwnProperty = ObjProto.hasOwnProperty;\n\n // All **ECMAScript 5** native function implementations that we hope to use\n // are declared here.\n var\n nativeIsArray = Array.isArray,\n nativeKeys = Object.keys,\n nativeBind = FuncProto.bind,\n nativeCreate = Object.create;\n\n // Naked function reference for surrogate-prototype-swapping.\n var Ctor = function(){};\n\n // Create a safe reference to the Underscore object for use below.\n var _ = function(obj) {\n if (obj instanceof _) return obj;\n if (!(this instanceof _)) return new _(obj);\n this._wrapped = obj;\n };\n\n // Export the Underscore object for **Node.js**, with\n // backwards-compatibility for the old `require()` API. If we're in\n // the browser, add `_` as a global object.\n if (true) {\n if (typeof module !== 'undefined' && module.exports) {\n exports = module.exports = _;\n }\n exports._ = _;\n } else {\n root._ = _;\n }\n\n // Current version.\n _.VERSION = '1.8.3';\n\n // Internal function that returns an efficient (for current engines) version\n // of the passed-in callback, to be repeatedly applied in other Underscore\n // functions.\n var optimizeCb = function(func, context, argCount) {\n if (context === void 0) return func;\n switch (argCount == null ? 3 : argCount) {\n case 1: return function(value) {\n return func.call(context, value);\n };\n case 2: return function(value, other) {\n return func.call(context, value, other);\n };\n case 3: return function(value, index, collection) {\n return func.call(context, value, index, collection);\n };\n case 4: return function(accumulator, value, index, collection) {\n return func.call(context, accumulator, value, index, collection);\n };\n }\n return function() {\n return func.apply(context, arguments);\n };\n };\n\n // A mostly-internal function to generate callbacks that can be applied\n // to each element in a collection, returning the desired result — either\n // identity, an arbitrary callback, a property matcher, or a property accessor.\n var cb = function(value, context, argCount) {\n if (value == null) return _.identity;\n if (_.isFunction(value)) return optimizeCb(value, context, argCount);\n if (_.isObject(value)) return _.matcher(value);\n return _.property(value);\n };\n _.iteratee = function(value, context) {\n return cb(value, context, Infinity);\n };\n\n // An internal function for creating assigner functions.\n var createAssigner = function(keysFunc, undefinedOnly) {\n return function(obj) {\n var length = arguments.length;\n if (length < 2 || obj == null) return obj;\n for (var index = 1; index < length; index++) {\n var source = arguments[index],\n keys = keysFunc(source),\n l = keys.length;\n for (var i = 0; i < l; i++) {\n var key = keys[i];\n if (!undefinedOnly || obj[key] === void 0) obj[key] = source[key];\n }\n }\n return obj;\n };\n };\n\n // An internal function for creating a new object that inherits from another.\n var baseCreate = function(prototype) {\n if (!_.isObject(prototype)) return {};\n if (nativeCreate) return nativeCreate(prototype);\n Ctor.prototype = prototype;\n var result = new Ctor;\n Ctor.prototype = null;\n return result;\n };\n\n var property = function(key) {\n return function(obj) {\n return obj == null ? void 0 : obj[key];\n };\n };\n\n // Helper for collection methods to determine whether a collection\n // should be iterated as an array or as an object\n // Related: http://people.mozilla.org/~jorendorff/es6-draft.html#sec-tolength\n // Avoids a very nasty iOS 8 JIT bug on ARM-64. #2094\n var MAX_ARRAY_INDEX = Math.pow(2, 53) - 1;\n var getLength = property('length');\n var isArrayLike = function(collection) {\n var length = getLength(collection);\n return typeof length == 'number' && length >= 0 && length <= MAX_ARRAY_INDEX;\n };\n\n // Collection Functions\n // --------------------\n\n // The cornerstone, an `each` implementation, aka `forEach`.\n // Handles raw objects in addition to array-likes. Treats all\n // sparse array-likes as if they were dense.\n _.each = _.forEach = function(obj, iteratee, context) {\n iteratee = optimizeCb(iteratee, context);\n var i, length;\n if (isArrayLike(obj)) {\n for (i = 0, length = obj.length; i < length; i++) {\n iteratee(obj[i], i, obj);\n }\n } else {\n var keys = _.keys(obj);\n for (i = 0, length = keys.length; i < length; i++) {\n iteratee(obj[keys[i]], keys[i], obj);\n }\n }\n return obj;\n };\n\n // Return the results of applying the iteratee to each element.\n _.map = _.collect = function(obj, iteratee, context) {\n iteratee = cb(iteratee, context);\n var keys = !isArrayLike(obj) && _.keys(obj),\n length = (keys || obj).length,\n results = Array(length);\n for (var index = 0; index < length; index++) {\n var currentKey = keys ? keys[index] : index;\n results[index] = iteratee(obj[currentKey], currentKey, obj);\n }\n return results;\n };\n\n // Create a reducing function iterating left or right.\n function createReduce(dir) {\n // Optimized iterator function as using arguments.length\n // in the main function will deoptimize the, see #1991.\n function iterator(obj, iteratee, memo, keys, index, length) {\n for (; index >= 0 && index < length; index += dir) {\n var currentKey = keys ? keys[index] : index;\n memo = iteratee(memo, obj[currentKey], currentKey, obj);\n }\n return memo;\n }\n\n return function(obj, iteratee, memo, context) {\n iteratee = optimizeCb(iteratee, context, 4);\n var keys = !isArrayLike(obj) && _.keys(obj),\n length = (keys || obj).length,\n index = dir > 0 ? 0 : length - 1;\n // Determine the initial value if none is provided.\n if (arguments.length < 3) {\n memo = obj[keys ? keys[index] : index];\n index += dir;\n }\n return iterator(obj, iteratee, memo, keys, index, length);\n };\n }\n\n // **Reduce** builds up a single result from a list of values, aka `inject`,\n // or `foldl`.\n _.reduce = _.foldl = _.inject = createReduce(1);\n\n // The right-associative version of reduce, also known as `foldr`.\n _.reduceRight = _.foldr = createReduce(-1);\n\n // Return the first value which passes a truth test. Aliased as `detect`.\n _.find = _.detect = function(obj, predicate, context) {\n var key;\n if (isArrayLike(obj)) {\n key = _.findIndex(obj, predicate, context);\n } else {\n key = _.findKey(obj, predicate, context);\n }\n if (key !== void 0 && key !== -1) return obj[key];\n };\n\n // Return all the elements that pass a truth test.\n // Aliased as `select`.\n _.filter = _.select = function(obj, predicate, context) {\n var results = [];\n predicate = cb(predicate, context);\n _.each(obj, function(value, index, list) {\n if (predicate(value, index, list)) results.push(value);\n });\n return results;\n };\n\n // Return all the elements for which a truth test fails.\n _.reject = function(obj, predicate, context) {\n return _.filter(obj, _.negate(cb(predicate)), context);\n };\n\n // Determine whether all of the elements match a truth test.\n // Aliased as `all`.\n _.every = _.all = function(obj, predicate, context) {\n predicate = cb(predicate, context);\n var keys = !isArrayLike(obj) && _.keys(obj),\n length = (keys || obj).length;\n for (var index = 0; index < length; index++) {\n var currentKey = keys ? keys[index] : index;\n if (!predicate(obj[currentKey], currentKey, obj)) return false;\n }\n return true;\n };\n\n // Determine if at least one element in the object matches a truth test.\n // Aliased as `any`.\n _.some = _.any = function(obj, predicate, context) {\n predicate = cb(predicate, context);\n var keys = !isArrayLike(obj) && _.keys(obj),\n length = (keys || obj).length;\n for (var index = 0; index < length; index++) {\n var currentKey = keys ? keys[index] : index;\n if (predicate(obj[currentKey], currentKey, obj)) return true;\n }\n return false;\n };\n\n // Determine if the array or object contains a given item (using `===`).\n // Aliased as `includes` and `include`.\n _.contains = _.includes = _.include = function(obj, item, fromIndex, guard) {\n if (!isArrayLike(obj)) obj = _.values(obj);\n if (typeof fromIndex != 'number' || guard) fromIndex = 0;\n return _.indexOf(obj, item, fromIndex) >= 0;\n };\n\n // Invoke a method (with arguments) on every item in a collection.\n _.invoke = function(obj, method) {\n var args = slice.call(arguments, 2);\n var isFunc = _.isFunction(method);\n return _.map(obj, function(value) {\n var func = isFunc ? method : value[method];\n return func == null ? func : func.apply(value, args);\n });\n };\n\n // Convenience version of a common use case of `map`: fetching a property.\n _.pluck = function(obj, key) {\n return _.map(obj, _.property(key));\n };\n\n // Convenience version of a common use case of `filter`: selecting only objects\n // containing specific `key:value` pairs.\n _.where = function(obj, attrs) {\n return _.filter(obj, _.matcher(attrs));\n };\n\n // Convenience version of a common use case of `find`: getting the first object\n // containing specific `key:value` pairs.\n _.findWhere = function(obj, attrs) {\n return _.find(obj, _.matcher(attrs));\n };\n\n // Return the maximum element (or element-based computation).\n _.max = function(obj, iteratee, context) {\n var result = -Infinity, lastComputed = -Infinity,\n value, computed;\n if (iteratee == null && obj != null) {\n obj = isArrayLike(obj) ? obj : _.values(obj);\n for (var i = 0, length = obj.length; i < length; i++) {\n value = obj[i];\n if (value > result) {\n result = value;\n }\n }\n } else {\n iteratee = cb(iteratee, context);\n _.each(obj, function(value, index, list) {\n computed = iteratee(value, index, list);\n if (computed > lastComputed || computed === -Infinity && result === -Infinity) {\n result = value;\n lastComputed = computed;\n }\n });\n }\n return result;\n };\n\n // Return the minimum element (or element-based computation).\n _.min = function(obj, iteratee, context) {\n var result = Infinity, lastComputed = Infinity,\n value, computed;\n if (iteratee == null && obj != null) {\n obj = isArrayLike(obj) ? obj : _.values(obj);\n for (var i = 0, length = obj.length; i < length; i++) {\n value = obj[i];\n if (value < result) {\n result = value;\n }\n }\n } else {\n iteratee = cb(iteratee, context);\n _.each(obj, function(value, index, list) {\n computed = iteratee(value, index, list);\n if (computed < lastComputed || computed === Infinity && result === Infinity) {\n result = value;\n lastComputed = computed;\n }\n });\n }\n return result;\n };\n\n // Shuffle a collection, using the modern version of the\n // [Fisher-Yates shuffle](http://en.wikipedia.org/wiki/Fisher–Yates_shuffle).\n _.shuffle = function(obj) {\n var set = isArrayLike(obj) ? obj : _.values(obj);\n var length = set.length;\n var shuffled = Array(length);\n for (var index = 0, rand; index < length; index++) {\n rand = _.random(0, index);\n if (rand !== index) shuffled[index] = shuffled[rand];\n shuffled[rand] = set[index];\n }\n return shuffled;\n };\n\n // Sample **n** random values from a collection.\n // If **n** is not specified, returns a single random element.\n // The internal `guard` argument allows it to work with `map`.\n _.sample = function(obj, n, guard) {\n if (n == null || guard) {\n if (!isArrayLike(obj)) obj = _.values(obj);\n return obj[_.random(obj.length - 1)];\n }\n return _.shuffle(obj).slice(0, Math.max(0, n));\n };\n\n // Sort the object's values by a criterion produced by an iteratee.\n _.sortBy = function(obj, iteratee, context) {\n iteratee = cb(iteratee, context);\n return _.pluck(_.map(obj, function(value, index, list) {\n return {\n value: value,\n index: index,\n criteria: iteratee(value, index, list)\n };\n }).sort(function(left, right) {\n var a = left.criteria;\n var b = right.criteria;\n if (a !== b) {\n if (a > b || a === void 0) return 1;\n if (a < b || b === void 0) return -1;\n }\n return left.index - right.index;\n }), 'value');\n };\n\n // An internal function used for aggregate \"group by\" operations.\n var group = function(behavior) {\n return function(obj, iteratee, context) {\n var result = {};\n iteratee = cb(iteratee, context);\n _.each(obj, function(value, index) {\n var key = iteratee(value, index, obj);\n behavior(result, value, key);\n });\n return result;\n };\n };\n\n // Groups the object's values by a criterion. Pass either a string attribute\n // to group by, or a function that returns the criterion.\n _.groupBy = group(function(result, value, key) {\n if (_.has(result, key)) result[key].push(value); else result[key] = [value];\n });\n\n // Indexes the object's values by a criterion, similar to `groupBy`, but for\n // when you know that your index values will be unique.\n _.indexBy = group(function(result, value, key) {\n result[key] = value;\n });\n\n // Counts instances of an object that group by a certain criterion. Pass\n // either a string attribute to count by, or a function that returns the\n // criterion.\n _.countBy = group(function(result, value, key) {\n if (_.has(result, key)) result[key]++; else result[key] = 1;\n });\n\n // Safely create a real, live array from anything iterable.\n _.toArray = function(obj) {\n if (!obj) return [];\n if (_.isArray(obj)) return slice.call(obj);\n if (isArrayLike(obj)) return _.map(obj, _.identity);\n return _.values(obj);\n };\n\n // Return the number of elements in an object.\n _.size = function(obj) {\n if (obj == null) return 0;\n return isArrayLike(obj) ? obj.length : _.keys(obj).length;\n };\n\n // Split a collection into two arrays: one whose elements all satisfy the given\n // predicate, and one whose elements all do not satisfy the predicate.\n _.partition = function(obj, predicate, context) {\n predicate = cb(predicate, context);\n var pass = [], fail = [];\n _.each(obj, function(value, key, obj) {\n (predicate(value, key, obj) ? pass : fail).push(value);\n });\n return [pass, fail];\n };\n\n // Array Functions\n // ---------------\n\n // Get the first element of an array. Passing **n** will return the first N\n // values in the array. Aliased as `head` and `take`. The **guard** check\n // allows it to work with `_.map`.\n _.first = _.head = _.take = function(array, n, guard) {\n if (array == null) return void 0;\n if (n == null || guard) return array[0];\n return _.initial(array, array.length - n);\n };\n\n // Returns everything but the last entry of the array. Especially useful on\n // the arguments object. Passing **n** will return all the values in\n // the array, excluding the last N.\n _.initial = function(array, n, guard) {\n return slice.call(array, 0, Math.max(0, array.length - (n == null || guard ? 1 : n)));\n };\n\n // Get the last element of an array. Passing **n** will return the last N\n // values in the array.\n _.last = function(array, n, guard) {\n if (array == null) return void 0;\n if (n == null || guard) return array[array.length - 1];\n return _.rest(array, Math.max(0, array.length - n));\n };\n\n // Returns everything but the first entry of the array. Aliased as `tail` and `drop`.\n // Especially useful on the arguments object. Passing an **n** will return\n // the rest N values in the array.\n _.rest = _.tail = _.drop = function(array, n, guard) {\n return slice.call(array, n == null || guard ? 1 : n);\n };\n\n // Trim out all falsy values from an array.\n _.compact = function(array) {\n return _.filter(array, _.identity);\n };\n\n // Internal implementation of a recursive `flatten` function.\n var flatten = function(input, shallow, strict, startIndex) {\n var output = [], idx = 0;\n for (var i = startIndex || 0, length = getLength(input); i < length; i++) {\n var value = input[i];\n if (isArrayLike(value) && (_.isArray(value) || _.isArguments(value))) {\n //flatten current level of array or arguments object\n if (!shallow) value = flatten(value, shallow, strict);\n var j = 0, len = value.length;\n output.length += len;\n while (j < len) {\n output[idx++] = value[j++];\n }\n } else if (!strict) {\n output[idx++] = value;\n }\n }\n return output;\n };\n\n // Flatten out an array, either recursively (by default), or just one level.\n _.flatten = function(array, shallow) {\n return flatten(array, shallow, false);\n };\n\n // Return a version of the array that does not contain the specified value(s).\n _.without = function(array) {\n return _.difference(array, slice.call(arguments, 1));\n };\n\n // Produce a duplicate-free version of the array. If the array has already\n // been sorted, you have the option of using a faster algorithm.\n // Aliased as `unique`.\n _.uniq = _.unique = function(array, isSorted, iteratee, context) {\n if (!_.isBoolean(isSorted)) {\n context = iteratee;\n iteratee = isSorted;\n isSorted = false;\n }\n if (iteratee != null) iteratee = cb(iteratee, context);\n var result = [];\n var seen = [];\n for (var i = 0, length = getLength(array); i < length; i++) {\n var value = array[i],\n computed = iteratee ? iteratee(value, i, array) : value;\n if (isSorted) {\n if (!i || seen !== computed) result.push(value);\n seen = computed;\n } else if (iteratee) {\n if (!_.contains(seen, computed)) {\n seen.push(computed);\n result.push(value);\n }\n } else if (!_.contains(result, value)) {\n result.push(value);\n }\n }\n return result;\n };\n\n // Produce an array that contains the union: each distinct element from all of\n // the passed-in arrays.\n _.union = function() {\n return _.uniq(flatten(arguments, true, true));\n };\n\n // Produce an array that contains every item shared between all the\n // passed-in arrays.\n _.intersection = function(array) {\n var result = [];\n var argsLength = arguments.length;\n for (var i = 0, length = getLength(array); i < length; i++) {\n var item = array[i];\n if (_.contains(result, item)) continue;\n for (var j = 1; j < argsLength; j++) {\n if (!_.contains(arguments[j], item)) break;\n }\n if (j === argsLength) result.push(item);\n }\n return result;\n };\n\n // Take the difference between one array and a number of other arrays.\n // Only the elements present in just the first array will remain.\n _.difference = function(array) {\n var rest = flatten(arguments, true, true, 1);\n return _.filter(array, function(value){\n return !_.contains(rest, value);\n });\n };\n\n // Zip together multiple lists into a single array -- elements that share\n // an index go together.\n _.zip = function() {\n return _.unzip(arguments);\n };\n\n // Complement of _.zip. Unzip accepts an array of arrays and groups\n // each array's elements on shared indices\n _.unzip = function(array) {\n var length = array && _.max(array, getLength).length || 0;\n var result = Array(length);\n\n for (var index = 0; index < length; index++) {\n result[index] = _.pluck(array, index);\n }\n return result;\n };\n\n // Converts lists into objects. Pass either a single array of `[key, value]`\n // pairs, or two parallel arrays of the same length -- one of keys, and one of\n // the corresponding values.\n _.object = function(list, values) {\n var result = {};\n for (var i = 0, length = getLength(list); i < length; i++) {\n if (values) {\n result[list[i]] = values[i];\n } else {\n result[list[i][0]] = list[i][1];\n }\n }\n return result;\n };\n\n // Generator function to create the findIndex and findLastIndex functions\n function createPredicateIndexFinder(dir) {\n return function(array, predicate, context) {\n predicate = cb(predicate, context);\n var length = getLength(array);\n var index = dir > 0 ? 0 : length - 1;\n for (; index >= 0 && index < length; index += dir) {\n if (predicate(array[index], index, array)) return index;\n }\n return -1;\n };\n }\n\n // Returns the first index on an array-like that passes a predicate test\n _.findIndex = createPredicateIndexFinder(1);\n _.findLastIndex = createPredicateIndexFinder(-1);\n\n // Use a comparator function to figure out the smallest index at which\n // an object should be inserted so as to maintain order. Uses binary search.\n _.sortedIndex = function(array, obj, iteratee, context) {\n iteratee = cb(iteratee, context, 1);\n var value = iteratee(obj);\n var low = 0, high = getLength(array);\n while (low < high) {\n var mid = Math.floor((low + high) / 2);\n if (iteratee(array[mid]) < value) low = mid + 1; else high = mid;\n }\n return low;\n };\n\n // Generator function to create the indexOf and lastIndexOf functions\n function createIndexFinder(dir, predicateFind, sortedIndex) {\n return function(array, item, idx) {\n var i = 0, length = getLength(array);\n if (typeof idx == 'number') {\n if (dir > 0) {\n i = idx >= 0 ? idx : Math.max(idx + length, i);\n } else {\n length = idx >= 0 ? Math.min(idx + 1, length) : idx + length + 1;\n }\n } else if (sortedIndex && idx && length) {\n idx = sortedIndex(array, item);\n return array[idx] === item ? idx : -1;\n }\n if (item !== item) {\n idx = predicateFind(slice.call(array, i, length), _.isNaN);\n return idx >= 0 ? idx + i : -1;\n }\n for (idx = dir > 0 ? i : length - 1; idx >= 0 && idx < length; idx += dir) {\n if (array[idx] === item) return idx;\n }\n return -1;\n };\n }\n\n // Return the position of the first occurrence of an item in an array,\n // or -1 if the item is not included in the array.\n // If the array is large and already in sort order, pass `true`\n // for **isSorted** to use binary search.\n _.indexOf = createIndexFinder(1, _.findIndex, _.sortedIndex);\n _.lastIndexOf = createIndexFinder(-1, _.findLastIndex);\n\n // Generate an integer Array containing an arithmetic progression. A port of\n // the native Python `range()` function. See\n // [the Python documentation](http://docs.python.org/library/functions.html#range).\n _.range = function(start, stop, step) {\n if (stop == null) {\n stop = start || 0;\n start = 0;\n }\n step = step || 1;\n\n var length = Math.max(Math.ceil((stop - start) / step), 0);\n var range = Array(length);\n\n for (var idx = 0; idx < length; idx++, start += step) {\n range[idx] = start;\n }\n\n return range;\n };\n\n // Function (ahem) Functions\n // ------------------\n\n // Determines whether to execute a function as a constructor\n // or a normal function with the provided arguments\n var executeBound = function(sourceFunc, boundFunc, context, callingContext, args) {\n if (!(callingContext instanceof boundFunc)) return sourceFunc.apply(context, args);\n var self = baseCreate(sourceFunc.prototype);\n var result = sourceFunc.apply(self, args);\n if (_.isObject(result)) return result;\n return self;\n };\n\n // Create a function bound to a given object (assigning `this`, and arguments,\n // optionally). Delegates to **ECMAScript 5**'s native `Function.bind` if\n // available.\n _.bind = function(func, context) {\n if (nativeBind && func.bind === nativeBind) return nativeBind.apply(func, slice.call(arguments, 1));\n if (!_.isFunction(func)) throw new TypeError('Bind must be called on a function');\n var args = slice.call(arguments, 2);\n var bound = function() {\n return executeBound(func, bound, context, this, args.concat(slice.call(arguments)));\n };\n return bound;\n };\n\n // Partially apply a function by creating a version that has had some of its\n // arguments pre-filled, without changing its dynamic `this` context. _ acts\n // as a placeholder, allowing any combination of arguments to be pre-filled.\n _.partial = function(func) {\n var boundArgs = slice.call(arguments, 1);\n var bound = function() {\n var position = 0, length = boundArgs.length;\n var args = Array(length);\n for (var i = 0; i < length; i++) {\n args[i] = boundArgs[i] === _ ? arguments[position++] : boundArgs[i];\n }\n while (position < arguments.length) args.push(arguments[position++]);\n return executeBound(func, bound, this, this, args);\n };\n return bound;\n };\n\n // Bind a number of an object's methods to that object. Remaining arguments\n // are the method names to be bound. Useful for ensuring that all callbacks\n // defined on an object belong to it.\n _.bindAll = function(obj) {\n var i, length = arguments.length, key;\n if (length <= 1) throw new Error('bindAll must be passed function names');\n for (i = 1; i < length; i++) {\n key = arguments[i];\n obj[key] = _.bind(obj[key], obj);\n }\n return obj;\n };\n\n // Memoize an expensive function by storing its results.\n _.memoize = function(func, hasher) {\n var memoize = function(key) {\n var cache = memoize.cache;\n var address = '' + (hasher ? hasher.apply(this, arguments) : key);\n if (!_.has(cache, address)) cache[address] = func.apply(this, arguments);\n return cache[address];\n };\n memoize.cache = {};\n return memoize;\n };\n\n // Delays a function for the given number of milliseconds, and then calls\n // it with the arguments supplied.\n _.delay = function(func, wait) {\n var args = slice.call(arguments, 2);\n return setTimeout(function(){\n return func.apply(null, args);\n }, wait);\n };\n\n // Defers a function, scheduling it to run after the current call stack has\n // cleared.\n _.defer = _.partial(_.delay, _, 1);\n\n // Returns a function, that, when invoked, will only be triggered at most once\n // during a given window of time. Normally, the throttled function will run\n // as much as it can, without ever going more than once per `wait` duration;\n // but if you'd like to disable the execution on the leading edge, pass\n // `{leading: false}`. To disable execution on the trailing edge, ditto.\n _.throttle = function(func, wait, options) {\n var context, args, result;\n var timeout = null;\n var previous = 0;\n if (!options) options = {};\n var later = function() {\n previous = options.leading === false ? 0 : _.now();\n timeout = null;\n result = func.apply(context, args);\n if (!timeout) context = args = null;\n };\n return function() {\n var now = _.now();\n if (!previous && options.leading === false) previous = now;\n var remaining = wait - (now - previous);\n context = this;\n args = arguments;\n if (remaining <= 0 || remaining > wait) {\n if (timeout) {\n clearTimeout(timeout);\n timeout = null;\n }\n previous = now;\n result = func.apply(context, args);\n if (!timeout) context = args = null;\n } else if (!timeout && options.trailing !== false) {\n timeout = setTimeout(later, remaining);\n }\n return result;\n };\n };\n\n // Returns a function, that, as long as it continues to be invoked, will not\n // be triggered. The function will be called after it stops being called for\n // N milliseconds. If `immediate` is passed, trigger the function on the\n // leading edge, instead of the trailing.\n _.debounce = function(func, wait, immediate) {\n var timeout, args, context, timestamp, result;\n\n var later = function() {\n var last = _.now() - timestamp;\n\n if (last < wait && last >= 0) {\n timeout = setTimeout(later, wait - last);\n } else {\n timeout = null;\n if (!immediate) {\n result = func.apply(context, args);\n if (!timeout) context = args = null;\n }\n }\n };\n\n return function() {\n context = this;\n args = arguments;\n timestamp = _.now();\n var callNow = immediate && !timeout;\n if (!timeout) timeout = setTimeout(later, wait);\n if (callNow) {\n result = func.apply(context, args);\n context = args = null;\n }\n\n return result;\n };\n };\n\n // Returns the first function passed as an argument to the second,\n // allowing you to adjust arguments, run code before and after, and\n // conditionally execute the original function.\n _.wrap = function(func, wrapper) {\n return _.partial(wrapper, func);\n };\n\n // Returns a negated version of the passed-in predicate.\n _.negate = function(predicate) {\n return function() {\n return !predicate.apply(this, arguments);\n };\n };\n\n // Returns a function that is the composition of a list of functions, each\n // consuming the return value of the function that follows.\n _.compose = function() {\n var args = arguments;\n var start = args.length - 1;\n return function() {\n var i = start;\n var result = args[start].apply(this, arguments);\n while (i--) result = args[i].call(this, result);\n return result;\n };\n };\n\n // Returns a function that will only be executed on and after the Nth call.\n _.after = function(times, func) {\n return function() {\n if (--times < 1) {\n return func.apply(this, arguments);\n }\n };\n };\n\n // Returns a function that will only be executed up to (but not including) the Nth call.\n _.before = function(times, func) {\n var memo;\n return function() {\n if (--times > 0) {\n memo = func.apply(this, arguments);\n }\n if (times <= 1) func = null;\n return memo;\n };\n };\n\n // Returns a function that will be executed at most one time, no matter how\n // often you call it. Useful for lazy initialization.\n _.once = _.partial(_.before, 2);\n\n // Object Functions\n // ----------------\n\n // Keys in IE < 9 that won't be iterated by `for key in ...` and thus missed.\n var hasEnumBug = !{toString: null}.propertyIsEnumerable('toString');\n var nonEnumerableProps = ['valueOf', 'isPrototypeOf', 'toString',\n 'propertyIsEnumerable', 'hasOwnProperty', 'toLocaleString'];\n\n function collectNonEnumProps(obj, keys) {\n var nonEnumIdx = nonEnumerableProps.length;\n var constructor = obj.constructor;\n var proto = (_.isFunction(constructor) && constructor.prototype) || ObjProto;\n\n // Constructor is a special case.\n var prop = 'constructor';\n if (_.has(obj, prop) && !_.contains(keys, prop)) keys.push(prop);\n\n while (nonEnumIdx--) {\n prop = nonEnumerableProps[nonEnumIdx];\n if (prop in obj && obj[prop] !== proto[prop] && !_.contains(keys, prop)) {\n keys.push(prop);\n }\n }\n }\n\n // Retrieve the names of an object's own properties.\n // Delegates to **ECMAScript 5**'s native `Object.keys`\n _.keys = function(obj) {\n if (!_.isObject(obj)) return [];\n if (nativeKeys) return nativeKeys(obj);\n var keys = [];\n for (var key in obj) if (_.has(obj, key)) keys.push(key);\n // Ahem, IE < 9.\n if (hasEnumBug) collectNonEnumProps(obj, keys);\n return keys;\n };\n\n // Retrieve all the property names of an object.\n _.allKeys = function(obj) {\n if (!_.isObject(obj)) return [];\n var keys = [];\n for (var key in obj) keys.push(key);\n // Ahem, IE < 9.\n if (hasEnumBug) collectNonEnumProps(obj, keys);\n return keys;\n };\n\n // Retrieve the values of an object's properties.\n _.values = function(obj) {\n var keys = _.keys(obj);\n var length = keys.length;\n var values = Array(length);\n for (var i = 0; i < length; i++) {\n values[i] = obj[keys[i]];\n }\n return values;\n };\n\n // Returns the results of applying the iteratee to each element of the object\n // In contrast to _.map it returns an object\n _.mapObject = function(obj, iteratee, context) {\n iteratee = cb(iteratee, context);\n var keys = _.keys(obj),\n length = keys.length,\n results = {},\n currentKey;\n for (var index = 0; index < length; index++) {\n currentKey = keys[index];\n results[currentKey] = iteratee(obj[currentKey], currentKey, obj);\n }\n return results;\n };\n\n // Convert an object into a list of `[key, value]` pairs.\n _.pairs = function(obj) {\n var keys = _.keys(obj);\n var length = keys.length;\n var pairs = Array(length);\n for (var i = 0; i < length; i++) {\n pairs[i] = [keys[i], obj[keys[i]]];\n }\n return pairs;\n };\n\n // Invert the keys and values of an object. The values must be serializable.\n _.invert = function(obj) {\n var result = {};\n var keys = _.keys(obj);\n for (var i = 0, length = keys.length; i < length; i++) {\n result[obj[keys[i]]] = keys[i];\n }\n return result;\n };\n\n // Return a sorted list of the function names available on the object.\n // Aliased as `methods`\n _.functions = _.methods = function(obj) {\n var names = [];\n for (var key in obj) {\n if (_.isFunction(obj[key])) names.push(key);\n }\n return names.sort();\n };\n\n // Extend a given object with all the properties in passed-in object(s).\n _.extend = createAssigner(_.allKeys);\n\n // Assigns a given object with all the own properties in the passed-in object(s)\n // (https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Object/assign)\n _.extendOwn = _.assign = createAssigner(_.keys);\n\n // Returns the first key on an object that passes a predicate test\n _.findKey = function(obj, predicate, context) {\n predicate = cb(predicate, context);\n var keys = _.keys(obj), key;\n for (var i = 0, length = keys.length; i < length; i++) {\n key = keys[i];\n if (predicate(obj[key], key, obj)) return key;\n }\n };\n\n // Return a copy of the object only containing the whitelisted properties.\n _.pick = function(object, oiteratee, context) {\n var result = {}, obj = object, iteratee, keys;\n if (obj == null) return result;\n if (_.isFunction(oiteratee)) {\n keys = _.allKeys(obj);\n iteratee = optimizeCb(oiteratee, context);\n } else {\n keys = flatten(arguments, false, false, 1);\n iteratee = function(value, key, obj) { return key in obj; };\n obj = Object(obj);\n }\n for (var i = 0, length = keys.length; i < length; i++) {\n var key = keys[i];\n var value = obj[key];\n if (iteratee(value, key, obj)) result[key] = value;\n }\n return result;\n };\n\n // Return a copy of the object without the blacklisted properties.\n _.omit = function(obj, iteratee, context) {\n if (_.isFunction(iteratee)) {\n iteratee = _.negate(iteratee);\n } else {\n var keys = _.map(flatten(arguments, false, false, 1), String);\n iteratee = function(value, key) {\n return !_.contains(keys, key);\n };\n }\n return _.pick(obj, iteratee, context);\n };\n\n // Fill in a given object with default properties.\n _.defaults = createAssigner(_.allKeys, true);\n\n // Creates an object that inherits from the given prototype object.\n // If additional properties are provided then they will be added to the\n // created object.\n _.create = function(prototype, props) {\n var result = baseCreate(prototype);\n if (props) _.extendOwn(result, props);\n return result;\n };\n\n // Create a (shallow-cloned) duplicate of an object.\n _.clone = function(obj) {\n if (!_.isObject(obj)) return obj;\n return _.isArray(obj) ? obj.slice() : _.extend({}, obj);\n };\n\n // Invokes interceptor with the obj, and then returns obj.\n // The primary purpose of this method is to \"tap into\" a method chain, in\n // order to perform operations on intermediate results within the chain.\n _.tap = function(obj, interceptor) {\n interceptor(obj);\n return obj;\n };\n\n // Returns whether an object has a given set of `key:value` pairs.\n _.isMatch = function(object, attrs) {\n var keys = _.keys(attrs), length = keys.length;\n if (object == null) return !length;\n var obj = Object(object);\n for (var i = 0; i < length; i++) {\n var key = keys[i];\n if (attrs[key] !== obj[key] || !(key in obj)) return false;\n }\n return true;\n };\n\n\n // Internal recursive comparison function for `isEqual`.\n var eq = function(a, b, aStack, bStack) {\n // Identical objects are equal. `0 === -0`, but they aren't identical.\n // See the [Harmony `egal` proposal](http://wiki.ecmascript.org/doku.php?id=harmony:egal).\n if (a === b) return a !== 0 || 1 / a === 1 / b;\n // A strict comparison is necessary because `null == undefined`.\n if (a == null || b == null) return a === b;\n // Unwrap any wrapped objects.\n if (a instanceof _) a = a._wrapped;\n if (b instanceof _) b = b._wrapped;\n // Compare `[[Class]]` names.\n var className = toString.call(a);\n if (className !== toString.call(b)) return false;\n switch (className) {\n // Strings, numbers, regular expressions, dates, and booleans are compared by value.\n case '[object RegExp]':\n // RegExps are coerced to strings for comparison (Note: '' + /a/i === '/a/i')\n case '[object String]':\n // Primitives and their corresponding object wrappers are equivalent; thus, `\"5\"` is\n // equivalent to `new String(\"5\")`.\n return '' + a === '' + b;\n case '[object Number]':\n // `NaN`s are equivalent, but non-reflexive.\n // Object(NaN) is equivalent to NaN\n if (+a !== +a) return +b !== +b;\n // An `egal` comparison is performed for other numeric values.\n return +a === 0 ? 1 / +a === 1 / b : +a === +b;\n case '[object Date]':\n case '[object Boolean]':\n // Coerce dates and booleans to numeric primitive values. Dates are compared by their\n // millisecond representations. Note that invalid dates with millisecond representations\n // of `NaN` are not equivalent.\n return +a === +b;\n }\n\n var areArrays = className === '[object Array]';\n if (!areArrays) {\n if (typeof a != 'object' || typeof b != 'object') return false;\n\n // Objects with different constructors are not equivalent, but `Object`s or `Array`s\n // from different frames are.\n var aCtor = a.constructor, bCtor = b.constructor;\n if (aCtor !== bCtor && !(_.isFunction(aCtor) && aCtor instanceof aCtor &&\n _.isFunction(bCtor) && bCtor instanceof bCtor)\n && ('constructor' in a && 'constructor' in b)) {\n return false;\n }\n }\n // Assume equality for cyclic structures. The algorithm for detecting cyclic\n // structures is adapted from ES 5.1 section 15.12.3, abstract operation `JO`.\n\n // Initializing stack of traversed objects.\n // It's done here since we only need them for objects and arrays comparison.\n aStack = aStack || [];\n bStack = bStack || [];\n var length = aStack.length;\n while (length--) {\n // Linear search. Performance is inversely proportional to the number of\n // unique nested structures.\n if (aStack[length] === a) return bStack[length] === b;\n }\n\n // Add the first object to the stack of traversed objects.\n aStack.push(a);\n bStack.push(b);\n\n // Recursively compare objects and arrays.\n if (areArrays) {\n // Compare array lengths to determine if a deep comparison is necessary.\n length = a.length;\n if (length !== b.length) return false;\n // Deep compare the contents, ignoring non-numeric properties.\n while (length--) {\n if (!eq(a[length], b[length], aStack, bStack)) return false;\n }\n } else {\n // Deep compare objects.\n var keys = _.keys(a), key;\n length = keys.length;\n // Ensure that both objects contain the same number of properties before comparing deep equality.\n if (_.keys(b).length !== length) return false;\n while (length--) {\n // Deep compare each member\n key = keys[length];\n if (!(_.has(b, key) && eq(a[key], b[key], aStack, bStack))) return false;\n }\n }\n // Remove the first object from the stack of traversed objects.\n aStack.pop();\n bStack.pop();\n return true;\n };\n\n // Perform a deep comparison to check if two objects are equal.\n _.isEqual = function(a, b) {\n return eq(a, b);\n };\n\n // Is a given array, string, or object empty?\n // An \"empty\" object has no enumerable own-properties.\n _.isEmpty = function(obj) {\n if (obj == null) return true;\n if (isArrayLike(obj) && (_.isArray(obj) || _.isString(obj) || _.isArguments(obj))) return obj.length === 0;\n return _.keys(obj).length === 0;\n };\n\n // Is a given value a DOM element?\n _.isElement = function(obj) {\n return !!(obj && obj.nodeType === 1);\n };\n\n // Is a given value an array?\n // Delegates to ECMA5's native Array.isArray\n _.isArray = nativeIsArray || function(obj) {\n return toString.call(obj) === '[object Array]';\n };\n\n // Is a given variable an object?\n _.isObject = function(obj) {\n var type = typeof obj;\n return type === 'function' || type === 'object' && !!obj;\n };\n\n // Add some isType methods: isArguments, isFunction, isString, isNumber, isDate, isRegExp, isError.\n _.each(['Arguments', 'Function', 'String', 'Number', 'Date', 'RegExp', 'Error'], function(name) {\n _['is' + name] = function(obj) {\n return toString.call(obj) === '[object ' + name + ']';\n };\n });\n\n // Define a fallback version of the method in browsers (ahem, IE < 9), where\n // there isn't any inspectable \"Arguments\" type.\n if (!_.isArguments(arguments)) {\n _.isArguments = function(obj) {\n return _.has(obj, 'callee');\n };\n }\n\n // Optimize `isFunction` if appropriate. Work around some typeof bugs in old v8,\n // IE 11 (#1621), and in Safari 8 (#1929).\n if (typeof /./ != 'function' && typeof Int8Array != 'object') {\n _.isFunction = function(obj) {\n return typeof obj == 'function' || false;\n };\n }\n\n // Is a given object a finite number?\n _.isFinite = function(obj) {\n return isFinite(obj) && !isNaN(parseFloat(obj));\n };\n\n // Is the given value `NaN`? (NaN is the only number which does not equal itself).\n _.isNaN = function(obj) {\n return _.isNumber(obj) && obj !== +obj;\n };\n\n // Is a given value a boolean?\n _.isBoolean = function(obj) {\n return obj === true || obj === false || toString.call(obj) === '[object Boolean]';\n };\n\n // Is a given value equal to null?\n _.isNull = function(obj) {\n return obj === null;\n };\n\n // Is a given variable undefined?\n _.isUndefined = function(obj) {\n return obj === void 0;\n };\n\n // Shortcut function for checking if an object has a given property directly\n // on itself (in other words, not on a prototype).\n _.has = function(obj, key) {\n return obj != null && hasOwnProperty.call(obj, key);\n };\n\n // Utility Functions\n // -----------------\n\n // Run Underscore.js in *noConflict* mode, returning the `_` variable to its\n // previous owner. Returns a reference to the Underscore object.\n _.noConflict = function() {\n root._ = previousUnderscore;\n return this;\n };\n\n // Keep the identity function around for default iteratees.\n _.identity = function(value) {\n return value;\n };\n\n // Predicate-generating functions. Often useful outside of Underscore.\n _.constant = function(value) {\n return function() {\n return value;\n };\n };\n\n _.noop = function(){};\n\n _.property = property;\n\n // Generates a function for a given object that returns a given property.\n _.propertyOf = function(obj) {\n return obj == null ? function(){} : function(key) {\n return obj[key];\n };\n };\n\n // Returns a predicate for checking whether an object has a given set of\n // `key:value` pairs.\n _.matcher = _.matches = function(attrs) {\n attrs = _.extendOwn({}, attrs);\n return function(obj) {\n return _.isMatch(obj, attrs);\n };\n };\n\n // Run a function **n** times.\n _.times = function(n, iteratee, context) {\n var accum = Array(Math.max(0, n));\n iteratee = optimizeCb(iteratee, context, 1);\n for (var i = 0; i < n; i++) accum[i] = iteratee(i);\n return accum;\n };\n\n // Return a random integer between min and max (inclusive).\n _.random = function(min, max) {\n if (max == null) {\n max = min;\n min = 0;\n }\n return min + Math.floor(Math.random() * (max - min + 1));\n };\n\n // A (possibly faster) way to get the current timestamp as an integer.\n _.now = Date.now || function() {\n return new Date().getTime();\n };\n\n // List of HTML entities for escaping.\n var escapeMap = {\n '&': '&',\n '<': '<',\n '>': '>',\n '\"': '"',\n \"'\": ''',\n '`': '`'\n };\n var unescapeMap = _.invert(escapeMap);\n\n // Functions for escaping and unescaping strings to/from HTML interpolation.\n var createEscaper = function(map) {\n var escaper = function(match) {\n return map[match];\n };\n // Regexes for identifying a key that needs to be escaped\n var source = '(?:' + _.keys(map).join('|') + ')';\n var testRegexp = RegExp(source);\n var replaceRegexp = RegExp(source, 'g');\n return function(string) {\n string = string == null ? '' : '' + string;\n return testRegexp.test(string) ? string.replace(replaceRegexp, escaper) : string;\n };\n };\n _.escape = createEscaper(escapeMap);\n _.unescape = createEscaper(unescapeMap);\n\n // If the value of the named `property` is a function then invoke it with the\n // `object` as context; otherwise, return it.\n _.result = function(object, property, fallback) {\n var value = object == null ? void 0 : object[property];\n if (value === void 0) {\n value = fallback;\n }\n return _.isFunction(value) ? value.call(object) : value;\n };\n\n // Generate a unique integer id (unique within the entire client session).\n // Useful for temporary DOM ids.\n var idCounter = 0;\n _.uniqueId = function(prefix) {\n var id = ++idCounter + '';\n return prefix ? prefix + id : id;\n };\n\n // By default, Underscore uses ERB-style template delimiters, change the\n // following template settings to use alternative delimiters.\n _.templateSettings = {\n evaluate : /<%([\\s\\S]+?)%>/g,\n interpolate : /<%=([\\s\\S]+?)%>/g,\n escape : /<%-([\\s\\S]+?)%>/g\n };\n\n // When customizing `templateSettings`, if you don't want to define an\n // interpolation, evaluation or escaping regex, we need one that is\n // guaranteed not to match.\n var noMatch = /(.)^/;\n\n // Certain characters need to be escaped so that they can be put into a\n // string literal.\n var escapes = {\n \"'\": \"'\",\n '\\\\': '\\\\',\n '\\r': 'r',\n '\\n': 'n',\n '\\u2028': 'u2028',\n '\\u2029': 'u2029'\n };\n\n var escaper = /\\\\|'|\\r|\\n|\\u2028|\\u2029/g;\n\n var escapeChar = function(match) {\n return '\\\\' + escapes[match];\n };\n\n // JavaScript micro-templating, similar to John Resig's implementation.\n // Underscore templating handles arbitrary delimiters, preserves whitespace,\n // and correctly escapes quotes within interpolated code.\n // NB: `oldSettings` only exists for backwards compatibility.\n _.template = function(text, settings, oldSettings) {\n if (!settings && oldSettings) settings = oldSettings;\n settings = _.defaults({}, settings, _.templateSettings);\n\n // Combine delimiters into one regular expression via alternation.\n var matcher = RegExp([\n (settings.escape || noMatch).source,\n (settings.interpolate || noMatch).source,\n (settings.evaluate || noMatch).source\n ].join('|') + '|$', 'g');\n\n // Compile the template source, escaping string literals appropriately.\n var index = 0;\n var source = \"__p+='\";\n text.replace(matcher, function(match, escape, interpolate, evaluate, offset) {\n source += text.slice(index, offset).replace(escaper, escapeChar);\n index = offset + match.length;\n\n if (escape) {\n source += \"'+\\n((__t=(\" + escape + \"))==null?'':_.escape(__t))+\\n'\";\n } else if (interpolate) {\n source += \"'+\\n((__t=(\" + interpolate + \"))==null?'':__t)+\\n'\";\n } else if (evaluate) {\n source += \"';\\n\" + evaluate + \"\\n__p+='\";\n }\n\n // Adobe VMs need the match returned to produce the correct offest.\n return match;\n });\n source += \"';\\n\";\n\n // If a variable is not specified, place data values in local scope.\n if (!settings.variable) source = 'with(obj||{}){\\n' + source + '}\\n';\n\n source = \"var __t,__p='',__j=Array.prototype.join,\" +\n \"print=function(){__p+=__j.call(arguments,'');};\\n\" +\n source + 'return __p;\\n';\n\n try {\n var render = new Function(settings.variable || 'obj', '_', source);\n } catch (e) {\n e.source = source;\n throw e;\n }\n\n var template = function(data) {\n return render.call(this, data, _);\n };\n\n // Provide the compiled source as a convenience for precompilation.\n var argument = settings.variable || 'obj';\n template.source = 'function(' + argument + '){\\n' + source + '}';\n\n return template;\n };\n\n // Add a \"chain\" function. Start chaining a wrapped Underscore object.\n _.chain = function(obj) {\n var instance = _(obj);\n instance._chain = true;\n return instance;\n };\n\n // OOP\n // ---------------\n // If Underscore is called as a function, it returns a wrapped object that\n // can be used OO-style. This wrapper holds altered versions of all the\n // underscore functions. Wrapped objects may be chained.\n\n // Helper function to continue chaining intermediate results.\n var result = function(instance, obj) {\n return instance._chain ? _(obj).chain() : obj;\n };\n\n // Add your own custom functions to the Underscore object.\n _.mixin = function(obj) {\n _.each(_.functions(obj), function(name) {\n var func = _[name] = obj[name];\n _.prototype[name] = function() {\n var args = [this._wrapped];\n push.apply(args, arguments);\n return result(this, func.apply(_, args));\n };\n });\n };\n\n // Add all of the Underscore functions to the wrapper object.\n _.mixin(_);\n\n // Add all mutator Array functions to the wrapper.\n _.each(['pop', 'push', 'reverse', 'shift', 'sort', 'splice', 'unshift'], function(name) {\n var method = ArrayProto[name];\n _.prototype[name] = function() {\n var obj = this._wrapped;\n method.apply(obj, arguments);\n if ((name === 'shift' || name === 'splice') && obj.length === 0) delete obj[0];\n return result(this, obj);\n };\n });\n\n // Add all accessor Array functions to the wrapper.\n _.each(['concat', 'join', 'slice'], function(name) {\n var method = ArrayProto[name];\n _.prototype[name] = function() {\n return result(this, method.apply(this._wrapped, arguments));\n };\n });\n\n // Extracts the result from a wrapped and chained object.\n _.prototype.value = function() {\n return this._wrapped;\n };\n\n // Provide unwrapping proxy for some methods used in engine operations\n // such as arithmetic and JSON stringification.\n _.prototype.valueOf = _.prototype.toJSON = _.prototype.value;\n\n _.prototype.toString = function() {\n return '' + this._wrapped;\n };\n\n // AMD registration happens at the end for compatibility with AMD loaders\n // that may not enforce next-turn semantics on modules. Even though general\n // practice for AMD registration is to be anonymous, underscore registers\n // as a named module because, like jQuery, it is a base library that is\n // popular enough to be bundled in a third party lib, but not be part of\n // an AMD load request. Those cases could generate an error when an\n // anonymous define() is called outside of a loader request.\n if (true) {\n !(__WEBPACK_AMD_DEFINE_ARRAY__ = [], __WEBPACK_AMD_DEFINE_RESULT__ = function() {\n return _;\n }.apply(exports, __WEBPACK_AMD_DEFINE_ARRAY__),\n\t\t\t\t__WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));\n }\n}.call(this));\n\n\n/***/ }),\n/* 2 */\n/***/ (function(module, exports, __webpack_require__) {\n\n/* WEBPACK VAR INJECTION */(function(global) {var __WEBPACK_AMD_DEFINE_ARRAY__, __WEBPACK_AMD_DEFINE_RESULT__;// Backbone.js 1.3.3\n\n// (c) 2010-2016 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors\n// Backbone may be freely distributed under the MIT license.\n// For all details and documentation:\n// http://backbonejs.org\n\n(function(factory) {\n\n // Establish the root object, `window` (`self`) in the browser, or `global` on the server.\n // We use `self` instead of `window` for `WebWorker` support.\n var root = (typeof self == 'object' && self.self === self && self) ||\n (typeof global == 'object' && global.global === global && global);\n\n // Set up Backbone appropriately for the environment. Start with AMD.\n if (true) {\n !(__WEBPACK_AMD_DEFINE_ARRAY__ = [__webpack_require__(1), __webpack_require__(0), exports], __WEBPACK_AMD_DEFINE_RESULT__ = function(_, $, exports) {\n // Export global even in AMD case in case this script is loaded with\n // others that may still expect a global Backbone.\n root.Backbone = factory(root, exports, _, $);\n }.apply(exports, __WEBPACK_AMD_DEFINE_ARRAY__),\n\t\t\t\t__WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));\n\n // Next for Node.js or CommonJS. jQuery may not be needed as a module.\n } else if (typeof exports !== 'undefined') {\n var _ = require('underscore'), $;\n try { $ = require('jquery'); } catch (e) {}\n factory(root, exports, _, $);\n\n // Finally, as a browser global.\n } else {\n root.Backbone = factory(root, {}, root._, (root.jQuery || root.Zepto || root.ender || root.$));\n }\n\n})(function(root, Backbone, _, $) {\n\n // Initial Setup\n // -------------\n\n // Save the previous value of the `Backbone` variable, so that it can be\n // restored later on, if `noConflict` is used.\n var previousBackbone = root.Backbone;\n\n // Create a local reference to a common array method we'll want to use later.\n var slice = Array.prototype.slice;\n\n // Current version of the library. Keep in sync with `package.json`.\n Backbone.VERSION = '1.3.3';\n\n // For Backbone's purposes, jQuery, Zepto, Ender, or My Library (kidding) owns\n // the `$` variable.\n Backbone.$ = $;\n\n // Runs Backbone.js in *noConflict* mode, returning the `Backbone` variable\n // to its previous owner. Returns a reference to this Backbone object.\n Backbone.noConflict = function() {\n root.Backbone = previousBackbone;\n return this;\n };\n\n // Turn on `emulateHTTP` to support legacy HTTP servers. Setting this option\n // will fake `\"PATCH\"`, `\"PUT\"` and `\"DELETE\"` requests via the `_method` parameter and\n // set a `X-Http-Method-Override` header.\n Backbone.emulateHTTP = false;\n\n // Turn on `emulateJSON` to support legacy servers that can't deal with direct\n // `application/json` requests ... this will encode the body as\n // `application/x-www-form-urlencoded` instead and will send the model in a\n // form param named `model`.\n Backbone.emulateJSON = false;\n\n // Proxy Backbone class methods to Underscore functions, wrapping the model's\n // `attributes` object or collection's `models` array behind the scenes.\n //\n // collection.filter(function(model) { return model.get('age') > 10 });\n // collection.each(this.addView);\n //\n // `Function#apply` can be slow so we use the method's arg count, if we know it.\n var addMethod = function(length, method, attribute) {\n switch (length) {\n case 1: return function() {\n return _[method](this[attribute]);\n };\n case 2: return function(value) {\n return _[method](this[attribute], value);\n };\n case 3: return function(iteratee, context) {\n return _[method](this[attribute], cb(iteratee, this), context);\n };\n case 4: return function(iteratee, defaultVal, context) {\n return _[method](this[attribute], cb(iteratee, this), defaultVal, context);\n };\n default: return function() {\n var args = slice.call(arguments);\n args.unshift(this[attribute]);\n return _[method].apply(_, args);\n };\n }\n };\n var addUnderscoreMethods = function(Class, methods, attribute) {\n _.each(methods, function(length, method) {\n if (_[method]) Class.prototype[method] = addMethod(length, method, attribute);\n });\n };\n\n // Support `collection.sortBy('attr')` and `collection.findWhere({id: 1})`.\n var cb = function(iteratee, instance) {\n if (_.isFunction(iteratee)) return iteratee;\n if (_.isObject(iteratee) && !instance._isModel(iteratee)) return modelMatcher(iteratee);\n if (_.isString(iteratee)) return function(model) { return model.get(iteratee); };\n return iteratee;\n };\n var modelMatcher = function(attrs) {\n var matcher = _.matches(attrs);\n return function(model) {\n return matcher(model.attributes);\n };\n };\n\n // Backbone.Events\n // ---------------\n\n // A module that can be mixed in to *any object* in order to provide it with\n // a custom event channel. You may bind a callback to an event with `on` or\n // remove with `off`; `trigger`-ing an event fires all callbacks in\n // succession.\n //\n // var object = {};\n // _.extend(object, Backbone.Events);\n // object.on('expand', function(){ alert('expanded'); });\n // object.trigger('expand');\n //\n var Events = Backbone.Events = {};\n\n // Regular expression used to split event strings.\n var eventSplitter = /\\s+/;\n\n // Iterates over the standard `event, callback` (as well as the fancy multiple\n // space-separated events `\"change blur\", callback` and jQuery-style event\n // maps `{event: callback}`).\n var eventsApi = function(iteratee, events, name, callback, opts) {\n var i = 0, names;\n if (name && typeof name === 'object') {\n // Handle event maps.\n if (callback !== void 0 && 'context' in opts && opts.context === void 0) opts.context = callback;\n for (names = _.keys(name); i < names.length ; i++) {\n events = eventsApi(iteratee, events, names[i], name[names[i]], opts);\n }\n } else if (name && eventSplitter.test(name)) {\n // Handle space-separated event names by delegating them individually.\n for (names = name.split(eventSplitter); i < names.length; i++) {\n events = iteratee(events, names[i], callback, opts);\n }\n } else {\n // Finally, standard events.\n events = iteratee(events, name, callback, opts);\n }\n return events;\n };\n\n // Bind an event to a `callback` function. Passing `\"all\"` will bind\n // the callback to all events fired.\n Events.on = function(name, callback, context) {\n return internalOn(this, name, callback, context);\n };\n\n // Guard the `listening` argument from the public API.\n var internalOn = function(obj, name, callback, context, listening) {\n obj._events = eventsApi(onApi, obj._events || {}, name, callback, {\n context: context,\n ctx: obj,\n listening: listening\n });\n\n if (listening) {\n var listeners = obj._listeners || (obj._listeners = {});\n listeners[listening.id] = listening;\n }\n\n return obj;\n };\n\n // Inversion-of-control versions of `on`. Tell *this* object to listen to\n // an event in another object... keeping track of what it's listening to\n // for easier unbinding later.\n Events.listenTo = function(obj, name, callback) {\n if (!obj) return this;\n var id = obj._listenId || (obj._listenId = _.uniqueId('l'));\n var listeningTo = this._listeningTo || (this._listeningTo = {});\n var listening = listeningTo[id];\n\n // This object is not listening to any other events on `obj` yet.\n // Setup the necessary references to track the listening callbacks.\n if (!listening) {\n var thisId = this._listenId || (this._listenId = _.uniqueId('l'));\n listening = listeningTo[id] = {obj: obj, objId: id, id: thisId, listeningTo: listeningTo, count: 0};\n }\n\n // Bind callbacks on obj, and keep track of them on listening.\n internalOn(obj, name, callback, this, listening);\n return this;\n };\n\n // The reducing API that adds a callback to the `events` object.\n var onApi = function(events, name, callback, options) {\n if (callback) {\n var handlers = events[name] || (events[name] = []);\n var context = options.context, ctx = options.ctx, listening = options.listening;\n if (listening) listening.count++;\n\n handlers.push({callback: callback, context: context, ctx: context || ctx, listening: listening});\n }\n return events;\n };\n\n // Remove one or many callbacks. If `context` is null, removes all\n // callbacks with that function. If `callback` is null, removes all\n // callbacks for the event. If `name` is null, removes all bound\n // callbacks for all events.\n Events.off = function(name, callback, context) {\n if (!this._events) return this;\n this._events = eventsApi(offApi, this._events, name, callback, {\n context: context,\n listeners: this._listeners\n });\n return this;\n };\n\n // Tell this object to stop listening to either specific events ... or\n // to every object it's currently listening to.\n Events.stopListening = function(obj, name, callback) {\n var listeningTo = this._listeningTo;\n if (!listeningTo) return this;\n\n var ids = obj ? [obj._listenId] : _.keys(listeningTo);\n\n for (var i = 0; i < ids.length; i++) {\n var listening = listeningTo[ids[i]];\n\n // If listening doesn't exist, this object is not currently\n // listening to obj. Break out early.\n if (!listening) break;\n\n listening.obj.off(name, callback, this);\n }\n\n return this;\n };\n\n // The reducing API that removes a callback from the `events` object.\n var offApi = function(events, name, callback, options) {\n if (!events) return;\n\n var i = 0, listening;\n var context = options.context, listeners = options.listeners;\n\n // Delete all events listeners and \"drop\" events.\n if (!name && !callback && !context) {\n var ids = _.keys(listeners);\n for (; i < ids.length; i++) {\n listening = listeners[ids[i]];\n delete listeners[listening.id];\n delete listening.listeningTo[listening.objId];\n }\n return;\n }\n\n var names = name ? [name] : _.keys(events);\n for (; i < names.length; i++) {\n name = names[i];\n var handlers = events[name];\n\n // Bail out if there are no events stored.\n if (!handlers) break;\n\n // Replace events if there are any remaining. Otherwise, clean up.\n var remaining = [];\n for (var j = 0; j < handlers.length; j++) {\n var handler = handlers[j];\n if (\n callback && callback !== handler.callback &&\n callback !== handler.callback._callback ||\n context && context !== handler.context\n ) {\n remaining.push(handler);\n } else {\n listening = handler.listening;\n if (listening && --listening.count === 0) {\n delete listeners[listening.id];\n delete listening.listeningTo[listening.objId];\n }\n }\n }\n\n // Update tail event if the list has any events. Otherwise, clean up.\n if (remaining.length) {\n events[name] = remaining;\n } else {\n delete events[name];\n }\n }\n return events;\n };\n\n // Bind an event to only be triggered a single time. After the first time\n // the callback is invoked, its listener will be removed. If multiple events\n // are passed in using the space-separated syntax, the handler will fire\n // once for each event, not once for a combination of all events.\n Events.once = function(name, callback, context) {\n // Map the event into a `{event: once}` object.\n var events = eventsApi(onceMap, {}, name, callback, _.bind(this.off, this));\n if (typeof name === 'string' && context == null) callback = void 0;\n return this.on(events, callback, context);\n };\n\n // Inversion-of-control versions of `once`.\n Events.listenToOnce = function(obj, name, callback) {\n // Map the event into a `{event: once}` object.\n var events = eventsApi(onceMap, {}, name, callback, _.bind(this.stopListening, this, obj));\n return this.listenTo(obj, events);\n };\n\n // Reduces the event callbacks into a map of `{event: onceWrapper}`.\n // `offer` unbinds the `onceWrapper` after it has been called.\n var onceMap = function(map, name, callback, offer) {\n if (callback) {\n var once = map[name] = _.once(function() {\n offer(name, once);\n callback.apply(this, arguments);\n });\n once._callback = callback;\n }\n return map;\n };\n\n // Trigger one or many events, firing all bound callbacks. Callbacks are\n // passed the same arguments as `trigger` is, apart from the event name\n // (unless you're listening on `\"all\"`, which will cause your callback to\n // receive the true name of the event as the first argument).\n Events.trigger = function(name) {\n if (!this._events) return this;\n\n var length = Math.max(0, arguments.length - 1);\n var args = Array(length);\n for (var i = 0; i < length; i++) args[i] = arguments[i + 1];\n\n eventsApi(triggerApi, this._events, name, void 0, args);\n return this;\n };\n\n // Handles triggering the appropriate event callbacks.\n var triggerApi = function(objEvents, name, callback, args) {\n if (objEvents) {\n var events = objEvents[name];\n var allEvents = objEvents.all;\n if (events && allEvents) allEvents = allEvents.slice();\n if (events) triggerEvents(events, args);\n if (allEvents) triggerEvents(allEvents, [name].concat(args));\n }\n return objEvents;\n };\n\n // A difficult-to-believe, but optimized internal dispatch function for\n // triggering events. Tries to keep the usual cases speedy (most internal\n // Backbone events have 3 arguments).\n var triggerEvents = function(events, args) {\n var ev, i = -1, l = events.length, a1 = args[0], a2 = args[1], a3 = args[2];\n switch (args.length) {\n case 0: while (++i < l) (ev = events[i]).callback.call(ev.ctx); return;\n case 1: while (++i < l) (ev = events[i]).callback.call(ev.ctx, a1); return;\n case 2: while (++i < l) (ev = events[i]).callback.call(ev.ctx, a1, a2); return;\n case 3: while (++i < l) (ev = events[i]).callback.call(ev.ctx, a1, a2, a3); return;\n default: while (++i < l) (ev = events[i]).callback.apply(ev.ctx, args); return;\n }\n };\n\n // Aliases for backwards compatibility.\n Events.bind = Events.on;\n Events.unbind = Events.off;\n\n // Allow the `Backbone` object to serve as a global event bus, for folks who\n // want global \"pubsub\" in a convenient place.\n _.extend(Backbone, Events);\n\n // Backbone.Model\n // --------------\n\n // Backbone **Models** are the basic data object in the framework --\n // frequently representing a row in a table in a database on your server.\n // A discrete chunk of data and a bunch of useful, related methods for\n // performing computations and transformations on that data.\n\n // Create a new model with the specified attributes. A client id (`cid`)\n // is automatically generated and assigned for you.\n var Model = Backbone.Model = function(attributes, options) {\n var attrs = attributes || {};\n options || (options = {});\n this.cid = _.uniqueId(this.cidPrefix);\n this.attributes = {};\n if (options.collection) this.collection = options.collection;\n if (options.parse) attrs = this.parse(attrs, options) || {};\n var defaults = _.result(this, 'defaults');\n attrs = _.defaults(_.extend({}, defaults, attrs), defaults);\n this.set(attrs, options);\n this.changed = {};\n this.initialize.apply(this, arguments);\n };\n\n // Attach all inheritable methods to the Model prototype.\n _.extend(Model.prototype, Events, {\n\n // A hash of attributes whose current and previous value differ.\n changed: null,\n\n // The value returned during the last failed validation.\n validationError: null,\n\n // The default name for the JSON `id` attribute is `\"id\"`. MongoDB and\n // CouchDB users may want to set this to `\"_id\"`.\n idAttribute: 'id',\n\n // The prefix is used to create the client id which is used to identify models locally.\n // You may want to override this if you're experiencing name clashes with model ids.\n cidPrefix: 'c',\n\n // Initialize is an empty function by default. Override it with your own\n // initialization logic.\n initialize: function(){},\n\n // Return a copy of the model's `attributes` object.\n toJSON: function(options) {\n return _.clone(this.attributes);\n },\n\n // Proxy `Backbone.sync` by default -- but override this if you need\n // custom syncing semantics for *this* particular model.\n sync: function() {\n return Backbone.sync.apply(this, arguments);\n },\n\n // Get the value of an attribute.\n get: function(attr) {\n return this.attributes[attr];\n },\n\n // Get the HTML-escaped value of an attribute.\n escape: function(attr) {\n return _.escape(this.get(attr));\n },\n\n // Returns `true` if the attribute contains a value that is not null\n // or undefined.\n has: function(attr) {\n return this.get(attr) != null;\n },\n\n // Special-cased proxy to underscore's `_.matches` method.\n matches: function(attrs) {\n return !!_.iteratee(attrs, this)(this.attributes);\n },\n\n // Set a hash of model attributes on the object, firing `\"change\"`. This is\n // the core primitive operation of a model, updating the data and notifying\n // anyone who needs to know about the change in state. The heart of the beast.\n set: function(key, val, options) {\n if (key == null) return this;\n\n // Handle both `\"key\", value` and `{key: value}` -style arguments.\n var attrs;\n if (typeof key === 'object') {\n attrs = key;\n options = val;\n } else {\n (attrs = {})[key] = val;\n }\n\n options || (options = {});\n\n // Run validation.\n if (!this._validate(attrs, options)) return false;\n\n // Extract attributes and options.\n var unset = options.unset;\n var silent = options.silent;\n var changes = [];\n var changing = this._changing;\n this._changing = true;\n\n if (!changing) {\n this._previousAttributes = _.clone(this.attributes);\n this.changed = {};\n }\n\n var current = this.attributes;\n var changed = this.changed;\n var prev = this._previousAttributes;\n\n // For each `set` attribute, update or delete the current value.\n for (var attr in attrs) {\n val = attrs[attr];\n if (!_.isEqual(current[attr], val)) changes.push(attr);\n if (!_.isEqual(prev[attr], val)) {\n changed[attr] = val;\n } else {\n delete changed[attr];\n }\n unset ? delete current[attr] : current[attr] = val;\n }\n\n // Update the `id`.\n if (this.idAttribute in attrs) this.id = this.get(this.idAttribute);\n\n // Trigger all relevant attribute changes.\n if (!silent) {\n if (changes.length) this._pending = options;\n for (var i = 0; i < changes.length; i++) {\n this.trigger('change:' + changes[i], this, current[changes[i]], options);\n }\n }\n\n // You might be wondering why there's a `while` loop here. Changes can\n // be recursively nested within `\"change\"` events.\n if (changing) return this;\n if (!silent) {\n while (this._pending) {\n options = this._pending;\n this._pending = false;\n this.trigger('change', this, options);\n }\n }\n this._pending = false;\n this._changing = false;\n return this;\n },\n\n // Remove an attribute from the model, firing `\"change\"`. `unset` is a noop\n // if the attribute doesn't exist.\n unset: function(attr, options) {\n return this.set(attr, void 0, _.extend({}, options, {unset: true}));\n },\n\n // Clear all attributes on the model, firing `\"change\"`.\n clear: function(options) {\n var attrs = {};\n for (var key in this.attributes) attrs[key] = void 0;\n return this.set(attrs, _.extend({}, options, {unset: true}));\n },\n\n // Determine if the model has changed since the last `\"change\"` event.\n // If you specify an attribute name, determine if that attribute has changed.\n hasChanged: function(attr) {\n if (attr == null) return !_.isEmpty(this.changed);\n return _.has(this.changed, attr);\n },\n\n // Return an object containing all the attributes that have changed, or\n // false if there are no changed attributes. Useful for determining what\n // parts of a view need to be updated and/or what attributes need to be\n // persisted to the server. Unset attributes will be set to undefined.\n // You can also pass an attributes object to diff against the model,\n // determining if there *would be* a change.\n changedAttributes: function(diff) {\n if (!diff) return this.hasChanged() ? _.clone(this.changed) : false;\n var old = this._changing ? this._previousAttributes : this.attributes;\n var changed = {};\n for (var attr in diff) {\n var val = diff[attr];\n if (_.isEqual(old[attr], val)) continue;\n changed[attr] = val;\n }\n return _.size(changed) ? changed : false;\n },\n\n // Get the previous value of an attribute, recorded at the time the last\n // `\"change\"` event was fired.\n previous: function(attr) {\n if (attr == null || !this._previousAttributes) return null;\n return this._previousAttributes[attr];\n },\n\n // Get all of the attributes of the model at the time of the previous\n // `\"change\"` event.\n previousAttributes: function() {\n return _.clone(this._previousAttributes);\n },\n\n // Fetch the model from the server, merging the response with the model's\n // local attributes. Any changed attributes will trigger a \"change\" event.\n fetch: function(options) {\n options = _.extend({parse: true}, options);\n var model = this;\n var success = options.success;\n options.success = function(resp) {\n var serverAttrs = options.parse ? model.parse(resp, options) : resp;\n if (!model.set(serverAttrs, options)) return false;\n if (success) success.call(options.context, model, resp, options);\n model.trigger('sync', model, resp, options);\n };\n wrapError(this, options);\n return this.sync('read', this, options);\n },\n\n // Set a hash of model attributes, and sync the model to the server.\n // If the server returns an attributes hash that differs, the model's\n // state will be `set` again.\n save: function(key, val, options) {\n // Handle both `\"key\", value` and `{key: value}` -style arguments.\n var attrs;\n if (key == null || typeof key === 'object') {\n attrs = key;\n options = val;\n } else {\n (attrs = {})[key] = val;\n }\n\n options = _.extend({validate: true, parse: true}, options);\n var wait = options.wait;\n\n // If we're not waiting and attributes exist, save acts as\n // `set(attr).save(null, opts)` with validation. Otherwise, check if\n // the model will be valid when the attributes, if any, are set.\n if (attrs && !wait) {\n if (!this.set(attrs, options)) return false;\n } else if (!this._validate(attrs, options)) {\n return false;\n }\n\n // After a successful server-side save, the client is (optionally)\n // updated with the server-side state.\n var model = this;\n var success = options.success;\n var attributes = this.attributes;\n options.success = function(resp) {\n // Ensure attributes are restored during synchronous saves.\n model.attributes = attributes;\n var serverAttrs = options.parse ? model.parse(resp, options) : resp;\n if (wait) serverAttrs = _.extend({}, attrs, serverAttrs);\n if (serverAttrs && !model.set(serverAttrs, options)) return false;\n if (success) success.call(options.context, model, resp, options);\n model.trigger('sync', model, resp, options);\n };\n wrapError(this, options);\n\n // Set temporary attributes if `{wait: true}` to properly find new ids.\n if (attrs && wait) this.attributes = _.extend({}, attributes, attrs);\n\n var method = this.isNew() ? 'create' : (options.patch ? 'patch' : 'update');\n if (method === 'patch' && !options.attrs) options.attrs = attrs;\n var xhr = this.sync(method, this, options);\n\n // Restore attributes.\n this.attributes = attributes;\n\n return xhr;\n },\n\n // Destroy this model on the server if it was already persisted.\n // Optimistically removes the model from its collection, if it has one.\n // If `wait: true` is passed, waits for the server to respond before removal.\n destroy: function(options) {\n options = options ? _.clone(options) : {};\n var model = this;\n var success = options.success;\n var wait = options.wait;\n\n var destroy = function() {\n model.stopListening();\n model.trigger('destroy', model, model.collection, options);\n };\n\n options.success = function(resp) {\n if (wait) destroy();\n if (success) success.call(options.context, model, resp, options);\n if (!model.isNew()) model.trigger('sync', model, resp, options);\n };\n\n var xhr = false;\n if (this.isNew()) {\n _.defer(options.success);\n } else {\n wrapError(this, options);\n xhr = this.sync('delete', this, options);\n }\n if (!wait) destroy();\n return xhr;\n },\n\n // Default URL for the model's representation on the server -- if you're\n // using Backbone's restful methods, override this to change the endpoint\n // that will be called.\n url: function() {\n var base =\n _.result(this, 'urlRoot') ||\n _.result(this.collection, 'url') ||\n urlError();\n if (this.isNew()) return base;\n var id = this.get(this.idAttribute);\n return base.replace(/[^\\/]$/, '$&/') + encodeURIComponent(id);\n },\n\n // **parse** converts a response into the hash of attributes to be `set` on\n // the model. The default implementation is just to pass the response along.\n parse: function(resp, options) {\n return resp;\n },\n\n // Create a new model with identical attributes to this one.\n clone: function() {\n return new this.constructor(this.attributes);\n },\n\n // A model is new if it has never been saved to the server, and lacks an id.\n isNew: function() {\n return !this.has(this.idAttribute);\n },\n\n // Check if the model is currently in a valid state.\n isValid: function(options) {\n return this._validate({}, _.extend({}, options, {validate: true}));\n },\n\n // Run validation against the next complete set of model attributes,\n // returning `true` if all is well. Otherwise, fire an `\"invalid\"` event.\n _validate: function(attrs, options) {\n if (!options.validate || !this.validate) return true;\n attrs = _.extend({}, this.attributes, attrs);\n var error = this.validationError = this.validate(attrs, options) || null;\n if (!error) return true;\n this.trigger('invalid', this, error, _.extend(options, {validationError: error}));\n return false;\n }\n\n });\n\n // Underscore methods that we want to implement on the Model, mapped to the\n // number of arguments they take.\n var modelMethods = {keys: 1, values: 1, pairs: 1, invert: 1, pick: 0,\n omit: 0, chain: 1, isEmpty: 1};\n\n // Mix in each Underscore method as a proxy to `Model#attributes`.\n addUnderscoreMethods(Model, modelMethods, 'attributes');\n\n // Backbone.Collection\n // -------------------\n\n // If models tend to represent a single row of data, a Backbone Collection is\n // more analogous to a table full of data ... or a small slice or page of that\n // table, or a collection of rows that belong together for a particular reason\n // -- all of the messages in this particular folder, all of the documents\n // belonging to this particular author, and so on. Collections maintain\n // indexes of their models, both in order, and for lookup by `id`.\n\n // Create a new **Collection**, perhaps to contain a specific type of `model`.\n // If a `comparator` is specified, the Collection will maintain\n // its models in sort order, as they're added and removed.\n var Collection = Backbone.Collection = function(models, options) {\n options || (options = {});\n if (options.model) this.model = options.model;\n if (options.comparator !== void 0) this.comparator = options.comparator;\n this._reset();\n this.initialize.apply(this, arguments);\n if (models) this.reset(models, _.extend({silent: true}, options));\n };\n\n // Default options for `Collection#set`.\n var setOptions = {add: true, remove: true, merge: true};\n var addOptions = {add: true, remove: false};\n\n // Splices `insert` into `array` at index `at`.\n var splice = function(array, insert, at) {\n at = Math.min(Math.max(at, 0), array.length);\n var tail = Array(array.length - at);\n var length = insert.length;\n var i;\n for (i = 0; i < tail.length; i++) tail[i] = array[i + at];\n for (i = 0; i < length; i++) array[i + at] = insert[i];\n for (i = 0; i < tail.length; i++) array[i + length + at] = tail[i];\n };\n\n // Define the Collection's inheritable methods.\n _.extend(Collection.prototype, Events, {\n\n // The default model for a collection is just a **Backbone.Model**.\n // This should be overridden in most cases.\n model: Model,\n\n // Initialize is an empty function by default. Override it with your own\n // initialization logic.\n initialize: function(){},\n\n // The JSON representation of a Collection is an array of the\n // models' attributes.\n toJSON: function(options) {\n return this.map(function(model) { return model.toJSON(options); });\n },\n\n // Proxy `Backbone.sync` by default.\n sync: function() {\n return Backbone.sync.apply(this, arguments);\n },\n\n // Add a model, or list of models to the set. `models` may be Backbone\n // Models or raw JavaScript objects to be converted to Models, or any\n // combination of the two.\n add: function(models, options) {\n return this.set(models, _.extend({merge: false}, options, addOptions));\n },\n\n // Remove a model, or a list of models from the set.\n remove: function(models, options) {\n options = _.extend({}, options);\n var singular = !_.isArray(models);\n models = singular ? [models] : models.slice();\n var removed = this._removeModels(models, options);\n if (!options.silent && removed.length) {\n options.changes = {added: [], merged: [], removed: removed};\n this.trigger('update', this, options);\n }\n return singular ? removed[0] : removed;\n },\n\n // Update a collection by `set`-ing a new list of models, adding new ones,\n // removing models that are no longer present, and merging models that\n // already exist in the collection, as necessary. Similar to **Model#set**,\n // the core operation for updating the data contained by the collection.\n set: function(models, options) {\n if (models == null) return;\n\n options = _.extend({}, setOptions, options);\n if (options.parse && !this._isModel(models)) {\n models = this.parse(models, options) || [];\n }\n\n var singular = !_.isArray(models);\n models = singular ? [models] : models.slice();\n\n var at = options.at;\n if (at != null) at = +at;\n if (at > this.length) at = this.length;\n if (at < 0) at += this.length + 1;\n\n var set = [];\n var toAdd = [];\n var toMerge = [];\n var toRemove = [];\n var modelMap = {};\n\n var add = options.add;\n var merge = options.merge;\n var remove = options.remove;\n\n var sort = false;\n var sortable = this.comparator && at == null && options.sort !== false;\n var sortAttr = _.isString(this.comparator) ? this.comparator : null;\n\n // Turn bare objects into model references, and prevent invalid models\n // from being added.\n var model, i;\n for (i = 0; i < models.length; i++) {\n model = models[i];\n\n // If a duplicate is found, prevent it from being added and\n // optionally merge it into the existing model.\n var existing = this.get(model);\n if (existing) {\n if (merge && model !== existing) {\n var attrs = this._isModel(model) ? model.attributes : model;\n if (options.parse) attrs = existing.parse(attrs, options);\n existing.set(attrs, options);\n toMerge.push(existing);\n if (sortable && !sort) sort = existing.hasChanged(sortAttr);\n }\n if (!modelMap[existing.cid]) {\n modelMap[existing.cid] = true;\n set.push(existing);\n }\n models[i] = existing;\n\n // If this is a new, valid model, push it to the `toAdd` list.\n } else if (add) {\n model = models[i] = this._prepareModel(model, options);\n if (model) {\n toAdd.push(model);\n this._addReference(model, options);\n modelMap[model.cid] = true;\n set.push(model);\n }\n }\n }\n\n // Remove stale models.\n if (remove) {\n for (i = 0; i < this.length; i++) {\n model = this.models[i];\n if (!modelMap[model.cid]) toRemove.push(model);\n }\n if (toRemove.length) this._removeModels(toRemove, options);\n }\n\n // See if sorting is needed, update `length` and splice in new models.\n var orderChanged = false;\n var replace = !sortable && add && remove;\n if (set.length && replace) {\n orderChanged = this.length !== set.length || _.some(this.models, function(m, index) {\n return m !== set[index];\n });\n this.models.length = 0;\n splice(this.models, set, 0);\n this.length = this.models.length;\n } else if (toAdd.length) {\n if (sortable) sort = true;\n splice(this.models, toAdd, at == null ? this.length : at);\n this.length = this.models.length;\n }\n\n // Silently sort the collection if appropriate.\n if (sort) this.sort({silent: true});\n\n // Unless silenced, it's time to fire all appropriate add/sort/update events.\n if (!options.silent) {\n for (i = 0; i < toAdd.length; i++) {\n if (at != null) options.index = at + i;\n model = toAdd[i];\n model.trigger('add', model, this, options);\n }\n if (sort || orderChanged) this.trigger('sort', this, options);\n if (toAdd.length || toRemove.length || toMerge.length) {\n options.changes = {\n added: toAdd,\n removed: toRemove,\n merged: toMerge\n };\n this.trigger('update', this, options);\n }\n }\n\n // Return the added (or merged) model (or models).\n return singular ? models[0] : models;\n },\n\n // When you have more items than you want to add or remove individually,\n // you can reset the entire set with a new list of models, without firing\n // any granular `add` or `remove` events. Fires `reset` when finished.\n // Useful for bulk operations and optimizations.\n reset: function(models, options) {\n options = options ? _.clone(options) : {};\n for (var i = 0; i < this.models.length; i++) {\n this._removeReference(this.models[i], options);\n }\n options.previousModels = this.models;\n this._reset();\n models = this.add(models, _.extend({silent: true}, options));\n if (!options.silent) this.trigger('reset', this, options);\n return models;\n },\n\n // Add a model to the end of the collection.\n push: function(model, options) {\n return this.add(model, _.extend({at: this.length}, options));\n },\n\n // Remove a model from the end of the collection.\n pop: function(options) {\n var model = this.at(this.length - 1);\n return this.remove(model, options);\n },\n\n // Add a model to the beginning of the collection.\n unshift: function(model, options) {\n return this.add(model, _.extend({at: 0}, options));\n },\n\n // Remove a model from the beginning of the collection.\n shift: function(options) {\n var model = this.at(0);\n return this.remove(model, options);\n },\n\n // Slice out a sub-array of models from the collection.\n slice: function() {\n return slice.apply(this.models, arguments);\n },\n\n // Get a model from the set by id, cid, model object with id or cid\n // properties, or an attributes object that is transformed through modelId.\n get: function(obj) {\n if (obj == null) return void 0;\n return this._byId[obj] ||\n this._byId[this.modelId(obj.attributes || obj)] ||\n obj.cid && this._byId[obj.cid];\n },\n\n // Returns `true` if the model is in the collection.\n has: function(obj) {\n return this.get(obj) != null;\n },\n\n // Get the model at the given index.\n at: function(index) {\n if (index < 0) index += this.length;\n return this.models[index];\n },\n\n // Return models with matching attributes. Useful for simple cases of\n // `filter`.\n where: function(attrs, first) {\n return this[first ? 'find' : 'filter'](attrs);\n },\n\n // Return the first model with matching attributes. Useful for simple cases\n // of `find`.\n findWhere: function(attrs) {\n return this.where(attrs, true);\n },\n\n // Force the collection to re-sort itself. You don't need to call this under\n // normal circumstances, as the set will maintain sort order as each item\n // is added.\n sort: function(options) {\n var comparator = this.comparator;\n if (!comparator) throw new Error('Cannot sort a set without a comparator');\n options || (options = {});\n\n var length = comparator.length;\n if (_.isFunction(comparator)) comparator = _.bind(comparator, this);\n\n // Run sort based on type of `comparator`.\n if (length === 1 || _.isString(comparator)) {\n this.models = this.sortBy(comparator);\n } else {\n this.models.sort(comparator);\n }\n if (!options.silent) this.trigger('sort', this, options);\n return this;\n },\n\n // Pluck an attribute from each model in the collection.\n pluck: function(attr) {\n return this.map(attr + '');\n },\n\n // Fetch the default set of models for this collection, resetting the\n // collection when they arrive. If `reset: true` is passed, the response\n // data will be passed through the `reset` method instead of `set`.\n fetch: function(options) {\n options = _.extend({parse: true}, options);\n var success = options.success;\n var collection = this;\n options.success = function(resp) {\n var method = options.reset ? 'reset' : 'set';\n collection[method](resp, options);\n if (success) success.call(options.context, collection, resp, options);\n collection.trigger('sync', collection, resp, options);\n };\n wrapError(this, options);\n return this.sync('read', this, options);\n },\n\n // Create a new instance of a model in this collection. Add the model to the\n // collection immediately, unless `wait: true` is passed, in which case we\n // wait for the server to agree.\n create: function(model, options) {\n options = options ? _.clone(options) : {};\n var wait = options.wait;\n model = this._prepareModel(model, options);\n if (!model) return false;\n if (!wait) this.add(model, options);\n var collection = this;\n var success = options.success;\n options.success = function(m, resp, callbackOpts) {\n if (wait) collection.add(m, callbackOpts);\n if (success) success.call(callbackOpts.context, m, resp, callbackOpts);\n };\n model.save(null, options);\n return model;\n },\n\n // **parse** converts a response into a list of models to be added to the\n // collection. The default implementation is just to pass it through.\n parse: function(resp, options) {\n return resp;\n },\n\n // Create a new collection with an identical list of models as this one.\n clone: function() {\n return new this.constructor(this.models, {\n model: this.model,\n comparator: this.comparator\n });\n },\n\n // Define how to uniquely identify models in the collection.\n modelId: function(attrs) {\n return attrs[this.model.prototype.idAttribute || 'id'];\n },\n\n // Private method to reset all internal state. Called when the collection\n // is first initialized or reset.\n _reset: function() {\n this.length = 0;\n this.models = [];\n this._byId = {};\n },\n\n // Prepare a hash of attributes (or other model) to be added to this\n // collection.\n _prepareModel: function(attrs, options) {\n if (this._isModel(attrs)) {\n if (!attrs.collection) attrs.collection = this;\n return attrs;\n }\n options = options ? _.clone(options) : {};\n options.collection = this;\n var model = new this.model(attrs, options);\n if (!model.validationError) return model;\n this.trigger('invalid', this, model.validationError, options);\n return false;\n },\n\n // Internal method called by both remove and set.\n _removeModels: function(models, options) {\n var removed = [];\n for (var i = 0; i < models.length; i++) {\n var model = this.get(models[i]);\n if (!model) continue;\n\n var index = this.indexOf(model);\n this.models.splice(index, 1);\n this.length--;\n\n // Remove references before triggering 'remove' event to prevent an\n // infinite loop. #3693\n delete this._byId[model.cid];\n var id = this.modelId(model.attributes);\n if (id != null) delete this._byId[id];\n\n if (!options.silent) {\n options.index = index;\n model.trigger('remove', model, this, options);\n }\n\n removed.push(model);\n this._removeReference(model, options);\n }\n return removed;\n },\n\n // Method for checking whether an object should be considered a model for\n // the purposes of adding to the collection.\n _isModel: function(model) {\n return model instanceof Model;\n },\n\n // Internal method to create a model's ties to a collection.\n _addReference: function(model, options) {\n this._byId[model.cid] = model;\n var id = this.modelId(model.attributes);\n if (id != null) this._byId[id] = model;\n model.on('all', this._onModelEvent, this);\n },\n\n // Internal method to sever a model's ties to a collection.\n _removeReference: function(model, options) {\n delete this._byId[model.cid];\n var id = this.modelId(model.attributes);\n if (id != null) delete this._byId[id];\n if (this === model.collection) delete model.collection;\n model.off('all', this._onModelEvent, this);\n },\n\n // Internal method called every time a model in the set fires an event.\n // Sets need to update their indexes when models change ids. All other\n // events simply proxy through. \"add\" and \"remove\" events that originate\n // in other collections are ignored.\n _onModelEvent: function(event, model, collection, options) {\n if (model) {\n if ((event === 'add' || event === 'remove') && collection !== this) return;\n if (event === 'destroy') this.remove(model, options);\n if (event === 'change') {\n var prevId = this.modelId(model.previousAttributes());\n var id = this.modelId(model.attributes);\n if (prevId !== id) {\n if (prevId != null) delete this._byId[prevId];\n if (id != null) this._byId[id] = model;\n }\n }\n }\n this.trigger.apply(this, arguments);\n }\n\n });\n\n // Underscore methods that we want to implement on the Collection.\n // 90% of the core usefulness of Backbone Collections is actually implemented\n // right here:\n var collectionMethods = {forEach: 3, each: 3, map: 3, collect: 3, reduce: 0,\n foldl: 0, inject: 0, reduceRight: 0, foldr: 0, find: 3, detect: 3, filter: 3,\n select: 3, reject: 3, every: 3, all: 3, some: 3, any: 3, include: 3, includes: 3,\n contains: 3, invoke: 0, max: 3, min: 3, toArray: 1, size: 1, first: 3,\n head: 3, take: 3, initial: 3, rest: 3, tail: 3, drop: 3, last: 3,\n without: 0, difference: 0, indexOf: 3, shuffle: 1, lastIndexOf: 3,\n isEmpty: 1, chain: 1, sample: 3, partition: 3, groupBy: 3, countBy: 3,\n sortBy: 3, indexBy: 3, findIndex: 3, findLastIndex: 3};\n\n // Mix in each Underscore method as a proxy to `Collection#models`.\n addUnderscoreMethods(Collection, collectionMethods, 'models');\n\n // Backbone.View\n // -------------\n\n // Backbone Views are almost more convention than they are actual code. A View\n // is simply a JavaScript object that represents a logical chunk of UI in the\n // DOM. This might be a single item, an entire list, a sidebar or panel, or\n // even the surrounding frame which wraps your whole app. Defining a chunk of\n // UI as a **View** allows you to define your DOM events declaratively, without\n // having to worry about render order ... and makes it easy for the view to\n // react to specific changes in the state of your models.\n\n // Creating a Backbone.View creates its initial element outside of the DOM,\n // if an existing element is not provided...\n var View = Backbone.View = function(options) {\n this.cid = _.uniqueId('view');\n _.extend(this, _.pick(options, viewOptions));\n this._ensureElement();\n this.initialize.apply(this, arguments);\n };\n\n // Cached regex to split keys for `delegate`.\n var delegateEventSplitter = /^(\\S+)\\s*(.*)$/;\n\n // List of view options to be set as properties.\n var viewOptions = ['model', 'collection', 'el', 'id', 'attributes', 'className', 'tagName', 'events'];\n\n // Set up all inheritable **Backbone.View** properties and methods.\n _.extend(View.prototype, Events, {\n\n // The default `tagName` of a View's element is `\"div\"`.\n tagName: 'div',\n\n // jQuery delegate for element lookup, scoped to DOM elements within the\n // current view. This should be preferred to global lookups where possible.\n $: function(selector) {\n return this.$el.find(selector);\n },\n\n // Initialize is an empty function by default. Override it with your own\n // initialization logic.\n initialize: function(){},\n\n // **render** is the core function that your view should override, in order\n // to populate its element (`this.el`), with the appropriate HTML. The\n // convention is for **render** to always return `this`.\n render: function() {\n return this;\n },\n\n // Remove this view by taking the element out of the DOM, and removing any\n // applicable Backbone.Events listeners.\n remove: function() {\n this._removeElement();\n this.stopListening();\n return this;\n },\n\n // Remove this view's element from the document and all event listeners\n // attached to it. Exposed for subclasses using an alternative DOM\n // manipulation API.\n _removeElement: function() {\n this.$el.remove();\n },\n\n // Change the view's element (`this.el` property) and re-delegate the\n // view's events on the new element.\n setElement: function(element) {\n this.undelegateEvents();\n this._setElement(element);\n this.delegateEvents();\n return this;\n },\n\n // Creates the `this.el` and `this.$el` references for this view using the\n // given `el`. `el` can be a CSS selector or an HTML string, a jQuery\n // context or an element. Subclasses can override this to utilize an\n // alternative DOM manipulation API and are only required to set the\n // `this.el` property.\n _setElement: function(el) {\n this.$el = el instanceof Backbone.$ ? el : Backbone.$(el);\n this.el = this.$el[0];\n },\n\n // Set callbacks, where `this.events` is a hash of\n //\n // *{\"event selector\": \"callback\"}*\n //\n // {\n // 'mousedown .title': 'edit',\n // 'click .button': 'save',\n // 'click .open': function(e) { ... }\n // }\n //\n // pairs. Callbacks will be bound to the view, with `this` set properly.\n // Uses event delegation for efficiency.\n // Omitting the selector binds the event to `this.el`.\n delegateEvents: function(events) {\n events || (events = _.result(this, 'events'));\n if (!events) return this;\n this.undelegateEvents();\n for (var key in events) {\n var method = events[key];\n if (!_.isFunction(method)) method = this[method];\n if (!method) continue;\n var match = key.match(delegateEventSplitter);\n this.delegate(match[1], match[2], _.bind(method, this));\n }\n return this;\n },\n\n // Add a single event listener to the view's element (or a child element\n // using `selector`). This only works for delegate-able events: not `focus`,\n // `blur`, and not `change`, `submit`, and `reset` in Internet Explorer.\n delegate: function(eventName, selector, listener) {\n this.$el.on(eventName + '.delegateEvents' + this.cid, selector, listener);\n return this;\n },\n\n // Clears all callbacks previously bound to the view by `delegateEvents`.\n // You usually don't need to use this, but may wish to if you have multiple\n // Backbone views attached to the same DOM element.\n undelegateEvents: function() {\n if (this.$el) this.$el.off('.delegateEvents' + this.cid);\n return this;\n },\n\n // A finer-grained `undelegateEvents` for removing a single delegated event.\n // `selector` and `listener` are both optional.\n undelegate: function(eventName, selector, listener) {\n this.$el.off(eventName + '.delegateEvents' + this.cid, selector, listener);\n return this;\n },\n\n // Produces a DOM element to be assigned to your view. Exposed for\n // subclasses using an alternative DOM manipulation API.\n _createElement: function(tagName) {\n return document.createElement(tagName);\n },\n\n // Ensure that the View has a DOM element to render into.\n // If `this.el` is a string, pass it through `$()`, take the first\n // matching element, and re-assign it to `el`. Otherwise, create\n // an element from the `id`, `className` and `tagName` properties.\n _ensureElement: function() {\n if (!this.el) {\n var attrs = _.extend({}, _.result(this, 'attributes'));\n if (this.id) attrs.id = _.result(this, 'id');\n if (this.className) attrs['class'] = _.result(this, 'className');\n this.setElement(this._createElement(_.result(this, 'tagName')));\n this._setAttributes(attrs);\n } else {\n this.setElement(_.result(this, 'el'));\n }\n },\n\n // Set attributes from a hash on this view's element. Exposed for\n // subclasses using an alternative DOM manipulation API.\n _setAttributes: function(attributes) {\n this.$el.attr(attributes);\n }\n\n });\n\n // Backbone.sync\n // -------------\n\n // Override this function to change the manner in which Backbone persists\n // models to the server. You will be passed the type of request, and the\n // model in question. By default, makes a RESTful Ajax request\n // to the model's `url()`. Some possible customizations could be:\n //\n // * Use `setTimeout` to batch rapid-fire updates into a single request.\n // * Send up the models as XML instead of JSON.\n // * Persist models via WebSockets instead of Ajax.\n //\n // Turn on `Backbone.emulateHTTP` in order to send `PUT` and `DELETE` requests\n // as `POST`, with a `_method` parameter containing the true HTTP method,\n // as well as all requests with the body as `application/x-www-form-urlencoded`\n // instead of `application/json` with the model in a param named `model`.\n // Useful when interfacing with server-side languages like **PHP** that make\n // it difficult to read the body of `PUT` requests.\n Backbone.sync = function(method, model, options) {\n var type = methodMap[method];\n\n // Default options, unless specified.\n _.defaults(options || (options = {}), {\n emulateHTTP: Backbone.emulateHTTP,\n emulateJSON: Backbone.emulateJSON\n });\n\n // Default JSON-request options.\n var params = {type: type, dataType: 'json'};\n\n // Ensure that we have a URL.\n if (!options.url) {\n params.url = _.result(model, 'url') || urlError();\n }\n\n // Ensure that we have the appropriate request data.\n if (options.data == null && model && (method === 'create' || method === 'update' || method === 'patch')) {\n params.contentType = 'application/json';\n params.data = JSON.stringify(options.attrs || model.toJSON(options));\n }\n\n // For older servers, emulate JSON by encoding the request into an HTML-form.\n if (options.emulateJSON) {\n params.contentType = 'application/x-www-form-urlencoded';\n params.data = params.data ? {model: params.data} : {};\n }\n\n // For older servers, emulate HTTP by mimicking the HTTP method with `_method`\n // And an `X-HTTP-Method-Override` header.\n if (options.emulateHTTP && (type === 'PUT' || type === 'DELETE' || type === 'PATCH')) {\n params.type = 'POST';\n if (options.emulateJSON) params.data._method = type;\n var beforeSend = options.beforeSend;\n options.beforeSend = function(xhr) {\n xhr.setRequestHeader('X-HTTP-Method-Override', type);\n if (beforeSend) return beforeSend.apply(this, arguments);\n };\n }\n\n // Don't process data on a non-GET request.\n if (params.type !== 'GET' && !options.emulateJSON) {\n params.processData = false;\n }\n\n // Pass along `textStatus` and `errorThrown` from jQuery.\n var error = options.error;\n options.error = function(xhr, textStatus, errorThrown) {\n options.textStatus = textStatus;\n options.errorThrown = errorThrown;\n if (error) error.call(options.context, xhr, textStatus, errorThrown);\n };\n\n // Make the request, allowing the user to override any Ajax options.\n var xhr = options.xhr = Backbone.ajax(_.extend(params, options));\n model.trigger('request', model, xhr, options);\n return xhr;\n };\n\n // Map from CRUD to HTTP for our default `Backbone.sync` implementation.\n var methodMap = {\n 'create': 'POST',\n 'update': 'PUT',\n 'patch': 'PATCH',\n 'delete': 'DELETE',\n 'read': 'GET'\n };\n\n // Set the default implementation of `Backbone.ajax` to proxy through to `$`.\n // Override this if you'd like to use a different library.\n Backbone.ajax = function() {\n return Backbone.$.ajax.apply(Backbone.$, arguments);\n };\n\n // Backbone.Router\n // ---------------\n\n // Routers map faux-URLs to actions, and fire events when routes are\n // matched. Creating a new one sets its `routes` hash, if not set statically.\n var Router = Backbone.Router = function(options) {\n options || (options = {});\n if (options.routes) this.routes = options.routes;\n this._bindRoutes();\n this.initialize.apply(this, arguments);\n };\n\n // Cached regular expressions for matching named param parts and splatted\n // parts of route strings.\n var optionalParam = /\\((.*?)\\)/g;\n var namedParam = /(\\(\\?)?:\\w+/g;\n var splatParam = /\\*\\w+/g;\n var escapeRegExp = /[\\-{}\\[\\]+?.,\\\\\\^$|#\\s]/g;\n\n // Set up all inheritable **Backbone.Router** properties and methods.\n _.extend(Router.prototype, Events, {\n\n // Initialize is an empty function by default. Override it with your own\n // initialization logic.\n initialize: function(){},\n\n // Manually bind a single named route to a callback. For example:\n //\n // this.route('search/:query/p:num', 'search', function(query, num) {\n // ...\n // });\n //\n route: function(route, name, callback) {\n if (!_.isRegExp(route)) route = this._routeToRegExp(route);\n if (_.isFunction(name)) {\n callback = name;\n name = '';\n }\n if (!callback) callback = this[name];\n var router = this;\n Backbone.history.route(route, function(fragment) {\n var args = router._extractParameters(route, fragment);\n if (router.execute(callback, args, name) !== false) {\n router.trigger.apply(router, ['route:' + name].concat(args));\n router.trigger('route', name, args);\n Backbone.history.trigger('route', router, name, args);\n }\n });\n return this;\n },\n\n // Execute a route handler with the provided parameters. This is an\n // excellent place to do pre-route setup or post-route cleanup.\n execute: function(callback, args, name) {\n if (callback) callback.apply(this, args);\n },\n\n // Simple proxy to `Backbone.history` to save a fragment into the history.\n navigate: function(fragment, options) {\n Backbone.history.navigate(fragment, options);\n return this;\n },\n\n // Bind all defined routes to `Backbone.history`. We have to reverse the\n // order of the routes here to support behavior where the most general\n // routes can be defined at the bottom of the route map.\n _bindRoutes: function() {\n if (!this.routes) return;\n this.routes = _.result(this, 'routes');\n var route, routes = _.keys(this.routes);\n while ((route = routes.pop()) != null) {\n this.route(route, this.routes[route]);\n }\n },\n\n // Convert a route string into a regular expression, suitable for matching\n // against the current location hash.\n _routeToRegExp: function(route) {\n route = route.replace(escapeRegExp, '\\\\$&')\n .replace(optionalParam, '(?:$1)?')\n .replace(namedParam, function(match, optional) {\n return optional ? match : '([^/?]+)';\n })\n .replace(splatParam, '([^?]*?)');\n return new RegExp('^' + route + '(?:\\\\?([\\\\s\\\\S]*))?$');\n },\n\n // Given a route, and a URL fragment that it matches, return the array of\n // extracted decoded parameters. Empty or unmatched parameters will be\n // treated as `null` to normalize cross-browser behavior.\n _extractParameters: function(route, fragment) {\n var params = route.exec(fragment).slice(1);\n return _.map(params, function(param, i) {\n // Don't decode the search params.\n if (i === params.length - 1) return param || null;\n return param ? decodeURIComponent(param) : null;\n });\n }\n\n });\n\n // Backbone.History\n // ----------------\n\n // Handles cross-browser history management, based on either\n // [pushState](http://diveintohtml5.info/history.html) and real URLs, or\n // [onhashchange](https://developer.mozilla.org/en-US/docs/DOM/window.onhashchange)\n // and URL fragments. If the browser supports neither (old IE, natch),\n // falls back to polling.\n var History = Backbone.History = function() {\n this.handlers = [];\n this.checkUrl = _.bind(this.checkUrl, this);\n\n // Ensure that `History` can be used outside of the browser.\n if (typeof window !== 'undefined') {\n this.location = window.location;\n this.history = window.history;\n }\n };\n\n // Cached regex for stripping a leading hash/slash and trailing space.\n var routeStripper = /^[#\\/]|\\s+$/g;\n\n // Cached regex for stripping leading and trailing slashes.\n var rootStripper = /^\\/+|\\/+$/g;\n\n // Cached regex for stripping urls of hash.\n var pathStripper = /#.*$/;\n\n // Has the history handling already been started?\n History.started = false;\n\n // Set up all inheritable **Backbone.History** properties and methods.\n _.extend(History.prototype, Events, {\n\n // The default interval to poll for hash changes, if necessary, is\n // twenty times a second.\n interval: 50,\n\n // Are we at the app root?\n atRoot: function() {\n var path = this.location.pathname.replace(/[^\\/]$/, '$&/');\n return path === this.root && !this.getSearch();\n },\n\n // Does the pathname match the root?\n matchRoot: function() {\n var path = this.decodeFragment(this.location.pathname);\n var rootPath = path.slice(0, this.root.length - 1) + '/';\n return rootPath === this.root;\n },\n\n // Unicode characters in `location.pathname` are percent encoded so they're\n // decoded for comparison. `%25` should not be decoded since it may be part\n // of an encoded parameter.\n decodeFragment: function(fragment) {\n return decodeURI(fragment.replace(/%25/g, '%2525'));\n },\n\n // In IE6, the hash fragment and search params are incorrect if the\n // fragment contains `?`.\n getSearch: function() {\n var match = this.location.href.replace(/#.*/, '').match(/\\?.+/);\n return match ? match[0] : '';\n },\n\n // Gets the true hash value. Cannot use location.hash directly due to bug\n // in Firefox where location.hash will always be decoded.\n getHash: function(window) {\n var match = (window || this).location.href.match(/#(.*)$/);\n return match ? match[1] : '';\n },\n\n // Get the pathname and search params, without the root.\n getPath: function() {\n var path = this.decodeFragment(\n this.location.pathname + this.getSearch()\n ).slice(this.root.length - 1);\n return path.charAt(0) === '/' ? path.slice(1) : path;\n },\n\n // Get the cross-browser normalized URL fragment from the path or hash.\n getFragment: function(fragment) {\n if (fragment == null) {\n if (this._usePushState || !this._wantsHashChange) {\n fragment = this.getPath();\n } else {\n fragment = this.getHash();\n }\n }\n return fragment.replace(routeStripper, '');\n },\n\n // Start the hash change handling, returning `true` if the current URL matches\n // an existing route, and `false` otherwise.\n start: function(options) {\n if (History.started) throw new Error('Backbone.history has already been started');\n History.started = true;\n\n // Figure out the initial configuration. Do we need an iframe?\n // Is pushState desired ... is it available?\n this.options = _.extend({root: '/'}, this.options, options);\n this.root = this.options.root;\n this._wantsHashChange = this.options.hashChange !== false;\n this._hasHashChange = 'onhashchange' in window && (document.documentMode === void 0 || document.documentMode > 7);\n this._useHashChange = this._wantsHashChange && this._hasHashChange;\n this._wantsPushState = !!this.options.pushState;\n this._hasPushState = !!(this.history && this.history.pushState);\n this._usePushState = this._wantsPushState && this._hasPushState;\n this.fragment = this.getFragment();\n\n // Normalize root to always include a leading and trailing slash.\n this.root = ('/' + this.root + '/').replace(rootStripper, '/');\n\n // Transition from hashChange to pushState or vice versa if both are\n // requested.\n if (this._wantsHashChange && this._wantsPushState) {\n\n // If we've started off with a route from a `pushState`-enabled\n // browser, but we're currently in a browser that doesn't support it...\n if (!this._hasPushState && !this.atRoot()) {\n var rootPath = this.root.slice(0, -1) || '/';\n this.location.replace(rootPath + '#' + this.getPath());\n // Return immediately as browser will do redirect to new url\n return true;\n\n // Or if we've started out with a hash-based route, but we're currently\n // in a browser where it could be `pushState`-based instead...\n } else if (this._hasPushState && this.atRoot()) {\n this.navigate(this.getHash(), {replace: true});\n }\n\n }\n\n // Proxy an iframe to handle location events if the browser doesn't\n // support the `hashchange` event, HTML5 history, or the user wants\n // `hashChange` but not `pushState`.\n if (!this._hasHashChange && this._wantsHashChange && !this._usePushState) {\n this.iframe = document.createElement('iframe');\n this.iframe.src = 'javascript:0';\n this.iframe.style.display = 'none';\n this.iframe.tabIndex = -1;\n var body = document.body;\n // Using `appendChild` will throw on IE < 9 if the document is not ready.\n var iWindow = body.insertBefore(this.iframe, body.firstChild).contentWindow;\n iWindow.document.open();\n iWindow.document.close();\n iWindow.location.hash = '#' + this.fragment;\n }\n\n // Add a cross-platform `addEventListener` shim for older browsers.\n var addEventListener = window.addEventListener || function(eventName, listener) {\n return attachEvent('on' + eventName, listener);\n };\n\n // Depending on whether we're using pushState or hashes, and whether\n // 'onhashchange' is supported, determine how we check the URL state.\n if (this._usePushState) {\n addEventListener('popstate', this.checkUrl, false);\n } else if (this._useHashChange && !this.iframe) {\n addEventListener('hashchange', this.checkUrl, false);\n } else if (this._wantsHashChange) {\n this._checkUrlInterval = setInterval(this.checkUrl, this.interval);\n }\n\n if (!this.options.silent) return this.loadUrl();\n },\n\n // Disable Backbone.history, perhaps temporarily. Not useful in a real app,\n // but possibly useful for unit testing Routers.\n stop: function() {\n // Add a cross-platform `removeEventListener` shim for older browsers.\n var removeEventListener = window.removeEventListener || function(eventName, listener) {\n return detachEvent('on' + eventName, listener);\n };\n\n // Remove window listeners.\n if (this._usePushState) {\n removeEventListener('popstate', this.checkUrl, false);\n } else if (this._useHashChange && !this.iframe) {\n removeEventListener('hashchange', this.checkUrl, false);\n }\n\n // Clean up the iframe if necessary.\n if (this.iframe) {\n document.body.removeChild(this.iframe);\n this.iframe = null;\n }\n\n // Some environments will throw when clearing an undefined interval.\n if (this._checkUrlInterval) clearInterval(this._checkUrlInterval);\n History.started = false;\n },\n\n // Add a route to be tested when the fragment changes. Routes added later\n // may override previous routes.\n route: function(route, callback) {\n this.handlers.unshift({route: route, callback: callback});\n },\n\n // Checks the current URL to see if it has changed, and if it has,\n // calls `loadUrl`, normalizing across the hidden iframe.\n checkUrl: function(e) {\n var current = this.getFragment();\n\n // If the user pressed the back button, the iframe's hash will have\n // changed and we should use that for comparison.\n if (current === this.fragment && this.iframe) {\n current = this.getHash(this.iframe.contentWindow);\n }\n\n if (current === this.fragment) return false;\n if (this.iframe) this.navigate(current);\n this.loadUrl();\n },\n\n // Attempt to load the current URL fragment. If a route succeeds with a\n // match, returns `true`. If no defined routes matches the fragment,\n // returns `false`.\n loadUrl: function(fragment) {\n // If the root doesn't match, no routes can match either.\n if (!this.matchRoot()) return false;\n fragment = this.fragment = this.getFragment(fragment);\n return _.some(this.handlers, function(handler) {\n if (handler.route.test(fragment)) {\n handler.callback(fragment);\n return true;\n }\n });\n },\n\n // Save a fragment into the hash history, or replace the URL state if the\n // 'replace' option is passed. You are responsible for properly URL-encoding\n // the fragment in advance.\n //\n // The options object can contain `trigger: true` if you wish to have the\n // route callback be fired (not usually desirable), or `replace: true`, if\n // you wish to modify the current URL without adding an entry to the history.\n navigate: function(fragment, options) {\n if (!History.started) return false;\n if (!options || options === true) options = {trigger: !!options};\n\n // Normalize the fragment.\n fragment = this.getFragment(fragment || '');\n\n // Don't include a trailing slash on the root.\n var rootPath = this.root;\n if (fragment === '' || fragment.charAt(0) === '?') {\n rootPath = rootPath.slice(0, -1) || '/';\n }\n var url = rootPath + fragment;\n\n // Strip the hash and decode for matching.\n fragment = this.decodeFragment(fragment.replace(pathStripper, ''));\n\n if (this.fragment === fragment) return;\n this.fragment = fragment;\n\n // If pushState is available, we use it to set the fragment as a real URL.\n if (this._usePushState) {\n this.history[options.replace ? 'replaceState' : 'pushState']({}, document.title, url);\n\n // If hash changes haven't been explicitly disabled, update the hash\n // fragment to store history.\n } else if (this._wantsHashChange) {\n this._updateHash(this.location, fragment, options.replace);\n if (this.iframe && fragment !== this.getHash(this.iframe.contentWindow)) {\n var iWindow = this.iframe.contentWindow;\n\n // Opening and closing the iframe tricks IE7 and earlier to push a\n // history entry on hash-tag change. When replace is true, we don't\n // want this.\n if (!options.replace) {\n iWindow.document.open();\n iWindow.document.close();\n }\n\n this._updateHash(iWindow.location, fragment, options.replace);\n }\n\n // If you've told us that you explicitly don't want fallback hashchange-\n // based history, then `navigate` becomes a page refresh.\n } else {\n return this.location.assign(url);\n }\n if (options.trigger) return this.loadUrl(fragment);\n },\n\n // Update the hash location, either replacing the current entry, or adding\n // a new one to the browser history.\n _updateHash: function(location, fragment, replace) {\n if (replace) {\n var href = location.href.replace(/(javascript:|#).*$/, '');\n location.replace(href + '#' + fragment);\n } else {\n // Some browsers require that `hash` contains a leading #.\n location.hash = '#' + fragment;\n }\n }\n\n });\n\n // Create the default Backbone.history.\n Backbone.history = new History;\n\n // Helpers\n // -------\n\n // Helper function to correctly set up the prototype chain for subclasses.\n // Similar to `goog.inherits`, but uses a hash of prototype properties and\n // class properties to be extended.\n var extend = function(protoProps, staticProps) {\n var parent = this;\n var child;\n\n // The constructor function for the new subclass is either defined by you\n // (the \"constructor\" property in your `extend` definition), or defaulted\n // by us to simply call the parent constructor.\n if (protoProps && _.has(protoProps, 'constructor')) {\n child = protoProps.constructor;\n } else {\n child = function(){ return parent.apply(this, arguments); };\n }\n\n // Add static properties to the constructor function, if supplied.\n _.extend(child, parent, staticProps);\n\n // Set the prototype chain to inherit from `parent`, without calling\n // `parent`'s constructor function and add the prototype properties.\n child.prototype = _.create(parent.prototype, protoProps);\n child.prototype.constructor = child;\n\n // Set a convenience property in case the parent's prototype is needed\n // later.\n child.__super__ = parent.prototype;\n\n return child;\n };\n\n // Set up inheritance for the model, collection, router, view and history.\n Model.extend = Collection.extend = Router.extend = View.extend = History.extend = extend;\n\n // Throw an error when a URL is needed, and none is supplied.\n var urlError = function() {\n throw new Error('A \"url\" property or function must be specified');\n };\n\n // Wrap an optional error callback with a fallback error event.\n var wrapError = function(model, options) {\n var error = options.error;\n options.error = function(resp) {\n if (error) error.call(options.context, model, resp, options);\n model.trigger('error', model, resp, options);\n };\n };\n\n return Backbone;\n});\n\n/* WEBPACK VAR INJECTION */}.call(exports, __webpack_require__(103)))\n\n/***/ }),\n/* 3 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n/* WEBPACK VAR INJECTION */(function(_, $, jQuery) {var __WEBPACK_AMD_DEFINE_ARRAY__, __WEBPACK_AMD_DEFINE_RESULT__;\n\n/**\n * Galaxy utilities comprises small functions, which at this point\n * do not require their own classes/files\n*/\n!(__WEBPACK_AMD_DEFINE_ARRAY__ = [], __WEBPACK_AMD_DEFINE_RESULT__ = function () {\n\n /** Builds a basic iframe */\n function iframe(src) {\n return '
';\n }\n\n /** Traverse through json */\n function deepeach(dict, callback) {\n for (var i in dict) {\n var d = dict[i];\n if (_.isObject(d)) {\n var new_dict = callback(d);\n new_dict && (dict[i] = new_dict);\n deepeach(d, callback);\n }\n }\n }\n\n /** Identifies urls and replaces them with anchors */\n function linkify(inputText) {\n var replacedText, replacePattern1, replacePattern2, replacePattern3;\n\n // URLs starting with http://, https://, or ftp://\n replacePattern1 = /(\\b(https?|ftp):\\/\\/[-A-Z0-9+&@#\\/%?=~_|!:,.;]*[-A-Z0-9+&@#\\/%=~_|])/gim;\n replacedText = inputText.replace(replacePattern1, '
$1');\n\n // URLs starting with \"www.\" (without // before it, or it'd re-link the ones done above).\n replacePattern2 = /(^|[^\\/])(www\\.[\\S]+(\\b|$))/gim;\n replacedText = replacedText.replace(replacePattern2, '$1
$2');\n\n // Change email addresses to mailto:: links.\n replacePattern3 = /(([a-zA-Z0-9\\-\\_\\.])+@[a-zA-Z\\_]+?(\\.[a-zA-Z]{2,6})+)/gim;\n replacedText = replacedText.replace(replacePattern3, '
$1');\n\n return replacedText;\n }\n\n /** Clone */\n function clone(obj) {\n return JSON.parse(JSON.stringify(obj) || null);\n }\n\n /**\n * Check if a string is a json string\n * @param{String} text - Content to be validated\n */\n function isJSON(text) {\n return (/^[\\],:{}\\s]*$/.test(text.replace(/\\\\[\"\\\\\\/bfnrtu]/g, '@').replace(/\"[^\"\\\\\\n\\r]*\"|true|false|null|-?\\d+(?:\\.\\d*)?(?:[eE][+\\-]?\\d+)?/g, ']').replace(/(?:^|:|,)(?:\\s*\\[)+/g, ''))\n );\n };\n\n /**\n * Sanitize/escape a string\n * @param{String} content - Content to be sanitized\n */\n function sanitize(content) {\n return $('
').text(content).html();\n };\n\n /**\n * Checks if a value or list of values is `empty`\n * usually used for selectable options\n * @param{String} value - Value or list to be validated\n */\n function isEmpty(value) {\n if (!(value instanceof Array)) {\n value = [value];\n }\n if (value.length === 0) {\n return true;\n }\n for (var i in value) {\n if (['__null__', '__undefined__', null, undefined].indexOf(value[i]) > -1) {\n return true;\n }\n }\n return false;\n };\n\n /**\n * Convert list to pretty string\n * @param{String} lst - List of strings to be converted in human readable list sentence\n */\n function textify(lst) {\n if ($.isArray(lst)) {\n var lst = lst.toString().replace(/,/g, ', ');\n var pos = lst.lastIndexOf(', ');\n if (pos != -1) {\n lst = lst.substr(0, pos) + ' or ' + lst.substr(pos + 2);\n }\n return lst;\n }\n return '';\n };\n\n /**\n * Request handler for GET\n * @param{String} url - Url request is made to\n * @param{Function} success - Callback on success\n * @param{Function} error - Callback on error\n * @param{Boolean} cache - Use cached data if available\n */\n function get(options) {\n top.__utils__get__ = top.__utils__get__ || {};\n var cache_key = JSON.stringify(options);\n if (options.cache && top.__utils__get__[cache_key]) {\n options.success && options.success(top.__utils__get__[cache_key]);\n window.console.debug('utils.js::get() - Fetching from cache [' + options.url + '].');\n } else {\n request({\n url: options.url,\n data: options.data,\n success: function success(response) {\n top.__utils__get__[cache_key] = response;\n options.success && options.success(response);\n },\n error: function error(response, status) {\n options.error && options.error(response, status);\n }\n });\n }\n };\n\n /**\n * Request handler\n * @param{String} method - Request method ['GET', 'POST', 'DELETE', 'PUT']\n * @param{String} url - Url request is made to\n * @param{Object} data - Data send to url\n * @param{Function} success - Callback on success\n * @param{Function} error - Callback on error\n */\n function request(options) {\n // prepare ajax\n var ajaxConfig = {\n contentType: 'application/json',\n type: options.type || 'GET',\n data: options.data || {},\n url: options.url\n // encode data into url\n };if (ajaxConfig.type == 'GET' || ajaxConfig.type == 'DELETE') {\n if (!$.isEmptyObject(ajaxConfig.data)) {\n ajaxConfig.url += ajaxConfig.url.indexOf('?') == -1 ? '?' : '&';\n ajaxConfig.url += $.param(ajaxConfig.data, true);\n }\n ajaxConfig.data = null;\n } else {\n ajaxConfig.dataType = 'json';\n ajaxConfig.url = ajaxConfig.url;\n ajaxConfig.data = JSON.stringify(ajaxConfig.data);\n }\n\n // make request\n $.ajax(ajaxConfig).done(function (response) {\n if (typeof response === 'string') {\n try {\n response = response.replace('Infinity,', '\"Infinity\",');\n response = jQuery.parseJSON(response);\n } catch (e) {\n console.debug(e);\n }\n }\n options.success && options.success(response);\n }).fail(function (response) {\n var response_text = null;\n try {\n response_text = jQuery.parseJSON(response.responseText);\n } catch (e) {\n response_text = response.responseText;\n }\n options.error && options.error(response_text, response.status);\n }).always(function () {\n options.complete && options.complete();\n });\n };\n\n /**\n * Read a property value from CSS\n * @param{String} classname - CSS class\n * @param{String} name - CSS property\n */\n function cssGetAttribute(classname, name) {\n var el = $('
');\n el.appendTo(':eq(0)');\n var value = el.css(name);\n el.remove();\n return value;\n };\n\n /**\n * Load a CSS file\n * @param{String} url - Url of CSS file\n */\n function cssLoadFile(url) {\n if (!$('link[href^=\"' + url + '\"]').length) {\n $('
').appendTo('head');\n }\n };\n\n /**\n * Safely merge to dictionaries\n * @param{Object} options - Target dictionary\n * @param{Object} optionsDefault - Source dictionary\n */\n function merge(options, optionsDefault) {\n if (options) {\n return _.defaults(options, optionsDefault);\n } else {\n return optionsDefault;\n }\n };\n\n /**\n * Round floaing point 'number' to 'numPlaces' number of decimal places.\n * @param{Object} number a floaing point number\n * @param{Object} numPlaces number of decimal places\n */\n function roundToDecimalPlaces(number, numPlaces) {\n var placesMultiplier = 1;\n for (var i = 0; i < numPlaces; i++) {\n placesMultiplier *= 10;\n }\n return Math.round(number * placesMultiplier) / placesMultiplier;\n }\n\n // calculate on import\n var kb = 1024,\n mb = kb * kb,\n gb = mb * kb,\n tb = gb * kb;\n /**\n * Format byte size to string with units\n * @param{Integer} size - Size in bytes\n * @param{Boolean} normal_font - Switches font between normal and bold\n */\n function bytesToString(size, normal_font, numberPlaces) {\n numberPlaces = numberPlaces !== undefined ? numberPlaces : 1;\n // identify unit\n var unit = \"\";\n if (size >= tb) {\n size = size / tb;unit = 'TB';\n } else if (size >= gb) {\n size = size / gb;unit = 'GB';\n } else if (size >= mb) {\n size = size / mb;unit = 'MB';\n } else if (size >= kb) {\n size = size / kb;unit = 'KB';\n } else if (size > 0) {\n unit = 'b';\n } else {\n return normal_font ? '0 b' : '
-';\n }\n // return formatted string\n var rounded = unit == 'b' ? size : roundToDecimalPlaces(size, numberPlaces);\n if (normal_font) {\n return rounded + ' ' + unit;\n } else {\n return '
' + rounded + ' ' + unit;\n }\n };\n\n /** Create a unique id */\n function uid() {\n top.__utils__uid__ = top.__utils__uid__ || 0;\n return 'uid-' + top.__utils__uid__++;\n };\n\n /** Create a time stamp */\n function time() {\n var d = new Date();\n var hours = (d.getHours() < 10 ? \"0\" : \"\") + d.getHours();\n var minutes = (d.getMinutes() < 10 ? \"0\" : \"\") + d.getMinutes();\n return datetime = d.getDate() + \"/\" + (d.getMonth() + 1) + \"/\" + d.getFullYear() + \", \" + hours + \":\" + minutes;\n };\n\n /** Append script and style tags to Galaxy main application */\n function appendScriptStyle(data) {\n // create a script tag inside head tag\n if (data.script && data.script !== \"\") {\n $('', { type: 'text/javascript' }).text(data.script).appendTo('head');\n }\n // create a style tag inside head tag\n if (data.styles && data.styles !== \"\") {\n $('', { type: 'text/css' }).text(data.styles).appendTo('head');\n }\n };\n\n /** Get querystrings from url */\n function getQueryString(key) {\n return decodeURIComponent(window.location.search.replace(new RegExp(\"^(?:.*[&\\\\?]\" + encodeURIComponent(key).replace(/[\\.\\+\\*]/g, \"\\\\$&\") + \"(?:\\\\=([^&]*))?)?.*$\", \"i\"), \"$1\"));\n };\n\n return {\n cssLoadFile: cssLoadFile,\n cssGetAttribute: cssGetAttribute,\n get: get,\n merge: merge,\n iframe: iframe,\n bytesToString: bytesToString,\n uid: uid,\n time: time,\n request: request,\n sanitize: sanitize,\n textify: textify,\n isEmpty: isEmpty,\n deepeach: deepeach,\n isJSON: isJSON,\n clone: clone,\n linkify: linkify,\n appendScriptStyle: appendScriptStyle,\n getQueryString: getQueryString\n };\n}.apply(exports, __WEBPACK_AMD_DEFINE_ARRAY__),\n\t\t\t\t__WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));\n/* WEBPACK VAR INJECTION */}.call(exports, __webpack_require__(1), __webpack_require__(0), __webpack_require__(0)))\n\n/***/ }),\n/* 4 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\nvar __WEBPACK_AMD_DEFINE_ARRAY__, __WEBPACK_AMD_DEFINE_RESULT__;\n\n!(__WEBPACK_AMD_DEFINE_ARRAY__ = [__webpack_require__(108)], __WEBPACK_AMD_DEFINE_RESULT__ = function (localeStrings) {\n\n // =============================================================================\n /** Simple string replacement localization. Language data from galaxy/scripts/nls */\n\n // support both requirejs and webpack from the same file\n // if loaded via webpack, it will be a different format than via requirejs - convert\n if (localeStrings.hasOwnProperty('__root')) {\n //console.debug( 'amdi18n+webpack localization for ' + locale + ' loaded' );\n var locale = typeof navigator === 'undefined' ? '__root' : (navigator.language || navigator.userLanguage || '__root').toLowerCase();\n localeStrings = localeStrings['__' + locale] || localeStrings['__' + locale.split('-')[0]] || localeStrings.__root;\n\n // } else {\n // console.debug( 'i18n+requirejs localization for ' + locale + ' loaded' );\n }\n // TODO: when this is no longer necessary remove this, i18n.js, and the resolveModule in config\n\n // -----------------------------------------------------------------------------\n /** Attempt to get a localized string for strToLocalize. If not found, return\n * the original strToLocalize.\n * @param {String} strToLocalize the string to localize\n * @returns either the localized string if found or strToLocalize if not found\n */\n var localize = function localize(strToLocalize) {\n // console.debug( 'amdi18n.localize:', strToLocalize, '->', localeStrings[ strToLocalize ] || strToLocalize );\n\n // //TODO: conditional compile on DEBUG flag\n // // cache strings that need to be localized but haven't been?\n // if( localize.cacheNonLocalized && !localeStrings.hasOwnProperty( strToLocalize ) ){\n // // console.debug( 'localization NOT found:', strToLocalize );\n // // add nonCached as hash directly to this function\n // localize.nonLocalized = localize.nonLocalized || {};\n // localize.nonLocalized[ locale ] = localize.nonLocalized[ locale ] || {};\n // localize.nonLocalized[ locale ][ strToLocalize ] = false;\n // }\n\n // return the localized version from the closure if it's there, the strToLocalize if not\n return localeStrings[strToLocalize] || strToLocalize;\n };\n localize.cacheNonLocalized = false;\n\n // =============================================================================\n return localize;\n}.apply(exports, __WEBPACK_AMD_DEFINE_ARRAY__),\n\t\t\t\t__WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));\n\n/***/ }),\n/* 5 */,\n/* 6 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n/* WEBPACK VAR INJECTION */(function(jQuery) {var __WEBPACK_AMD_DEFINE_ARRAY__, __WEBPACK_AMD_DEFINE_RESULT__;\n\n!(__WEBPACK_AMD_DEFINE_ARRAY__ = [__webpack_require__(1), __webpack_require__(2), __webpack_require__(67), __webpack_require__(4)], __WEBPACK_AMD_DEFINE_RESULT__ = function (_, Backbone, addLogging, _l) {\n 'use strict';\n\n //==============================================================================\n /** @class Mixin to add logging capabilities to an object.\n * Designed to allow switching an objects log output off/on at one central\n * statement. Can be used with plain browser console (or something more\n * complex like an AJAX logger).\n *
NOTE: currently only uses the console.debug log function\n * (as opposed to debug, error, warn, etc.)\n * @name LoggableMixin\n *\n * @example\n * // Add to your models/views at the definition using chaining:\n * var MyModel = Backbone.Model.extend( LoggableMixin ).extend({ // ... });\n *\n * // or - more explicitly AFTER the definition:\n * var MyModel = Backbone.Model.extend({\n * logger : console\n * // ...\n * this.log( '$#%& it! - broken already...' );\n * })\n * _.extend( MyModel.prototype, LoggableMixin )\n *\n */\n\n var LoggableMixin = /** @lends LoggableMixin# */{\n // replace null with console (if available) to see all logs for a particular view/model\n /** The logging object whose log function will be used to output\n * messages. Null will supress all logging. Commonly set to console.\n */\n logger: null,\n /** @type {String} a namespace for filtering/focusing log output */\n _logNamespace: '.'\n\n };\n addLogging(LoggableMixin);\n\n //==============================================================================\n /** Backbone model that syncs to the browser's sessionStorage API.\n * This all largely happens behind the scenes and no special calls are required.\n */\n var SessionStorageModel = Backbone.Model.extend({\n initialize: function initialize(initialAttrs) {\n // check for sessionStorage and error if no id is provided\n this._checkEnabledSessionStorage();\n if (!initialAttrs.id) {\n throw new Error('SessionStorageModel requires an id in the initial attributes');\n }\n this.id = initialAttrs.id;\n\n // load existing from storage (if any), clear any attrs set by bbone before init is called,\n // layer initial over existing and defaults, and save\n var existing = !this.isNew() ? this._read(this) : {};\n this.clear({ silent: true });\n this.save(_.extend({}, this.defaults, existing, initialAttrs), { silent: true });\n\n // save on any change to it immediately\n this.on('change', function () {\n this.save();\n });\n },\n\n _checkEnabledSessionStorage: function _checkEnabledSessionStorage() {\n try {\n return window.sessionStorage.length >= 0;\n } catch (err) {\n alert('Please enable cookies in your browser for this Galaxy site');\n return false;\n }\n },\n\n /** override of bbone sync to save to sessionStorage rather than REST\n * bbone options (success, errror, etc.) should still apply\n */\n sync: function sync(method, model, options) {\n if (!options.silent) {\n model.trigger('request', model, {}, options);\n }\n var returned = {};\n switch (method) {\n case 'create':\n returned = this._create(model);break;\n case 'read':\n returned = this._read(model);break;\n case 'update':\n returned = this._update(model);break;\n case 'delete':\n returned = this._delete(model);break;\n }\n if (returned !== undefined || returned !== null) {\n if (options.success) {\n options.success();\n }\n } else {\n if (options.error) {\n options.error();\n }\n }\n return returned;\n },\n\n /** set storage to the stringified item */\n _create: function _create(model) {\n try {\n var json = model.toJSON(),\n set = sessionStorage.setItem(model.id, JSON.stringify(json));\n return set === null ? set : json;\n // DOMException is thrown in Safari if in private browsing mode and sessionStorage is attempted:\n // http://stackoverflow.com/questions/14555347\n // TODO: this could probably use a more general soln - like detecting priv. mode + safari => non-ajaxing Model\n } catch (err) {\n if (!(err instanceof DOMException && navigator.userAgent.indexOf(\"Safari\") > -1)) {\n throw err;\n }\n }\n return null;\n },\n\n /** read and parse json from storage */\n _read: function _read(model) {\n return JSON.parse(sessionStorage.getItem(model.id));\n },\n\n /** set storage to the item (alias to create) */\n _update: function _update(model) {\n return model._create(model);\n },\n\n /** remove the item from storage */\n _delete: function _delete(model) {\n return sessionStorage.removeItem(model.id);\n },\n\n /** T/F whether sessionStorage contains the model's id (data is present) */\n isNew: function isNew() {\n return !sessionStorage.hasOwnProperty(this.id);\n },\n\n _log: function _log() {\n return JSON.stringify(this.toJSON(), null, ' ');\n },\n toString: function toString() {\n return 'SessionStorageModel(' + this.id + ')';\n }\n\n });\n (function () {\n SessionStorageModel.prototype = _.omit(SessionStorageModel.prototype, 'url', 'urlRoot');\n })();\n\n //==============================================================================\n /** Function that allows mixing of hashs into bbone MVC while showing the mixins first\n * (before the more local class overrides/hash).\n * Basically, a simple reversal of param order on _.defaults() - to show mixins in top of definition.\n * @example:\n * var NewModel = Something.extend( mixin( MyMixinA, MyMixinB, { ... myVars : ... }) );\n *\n * NOTE: this does not combine any hashes (like events, etc.) and you're expected to handle that\n */\n function mixin(mixinHash1, /* mixinHash2, etc: ... variadic */propsHash) {\n var args = Array.prototype.slice.call(arguments, 0),\n lastArg = args.pop();\n args.unshift(lastArg);\n return _.defaults.apply(_, args);\n }\n\n //==============================================================================\n /** A mixin for models that allow T/F/Matching to their attributes - useful when\n * searching or filtering collections of models.\n * @example:\n * see hda-model for searchAttribute and searchAliases definition examples.\n * see history-contents.matches for how collections are filtered\n * and see readonly-history-view.searchHdas for how user input is connected to the filtering\n */\n var SearchableModelMixin = {\n\n /** what attributes of an HDA will be used in a text search */\n searchAttributes: [\n // override\n ],\n\n /** our attr keys don't often match the labels we display to the user - so, when using\n * attribute specifiers ('name=\"bler\"') in a term, allow passing in aliases for the\n * following attr keys.\n */\n searchAliases: {\n // override\n },\n\n /** search the attribute with key attrKey for the string searchFor; T/F if found */\n searchAttribute: function searchAttribute(attrKey, searchFor) {\n var attrVal = this.get(attrKey);\n //this.debug( 'searchAttribute', attrKey, attrVal, searchFor );\n // bail if empty searchFor or unsearchable values\n if (!searchFor || attrVal === undefined || attrVal === null) {\n return false;\n }\n // pass to sep. fn for deep search of array attributes\n if (_.isArray(attrVal)) {\n return this._searchArrayAttribute(attrVal, searchFor);\n }\n return attrVal.toString().toLowerCase().indexOf(searchFor.toLowerCase()) !== -1;\n },\n\n /** deep(er) search for array attributes; T/F if found */\n _searchArrayAttribute: function _searchArrayAttribute(array, searchFor) {\n //this.debug( '_searchArrayAttribute', array, searchFor );\n searchFor = searchFor.toLowerCase();\n //precondition: searchFor has already been validated as non-empty string\n //precondition: assumes only 1 level array\n //TODO: could possibly break up searchFor more (CSV...)\n return _.any(array, function (elem) {\n return elem.toString().toLowerCase().indexOf(searchFor.toLowerCase()) !== -1;\n });\n },\n\n /** search all searchAttributes for the string searchFor,\n * returning a list of keys of attributes that contain searchFor\n */\n search: function search(searchFor) {\n var model = this;\n return _.filter(this.searchAttributes, function (key) {\n return model.searchAttribute(key, searchFor);\n });\n },\n\n /** alias of search, but returns a boolean; accepts attribute specifiers where\n * the attributes searched can be narrowed to a single attribute using\n * the form: matches( 'genome_build=hg19' )\n * (the attribute keys allowed can also be aliases to the true attribute key;\n * see searchAliases above)\n * @param {String} term plain text or ATTR_SPECIFIER sep. key=val pair\n * @returns {Boolean} was term found in (any) attribute(s)\n */\n matches: function matches(term) {\n var ATTR_SPECIFIER = '=',\n split = term.split(ATTR_SPECIFIER);\n // attribute is specified - search only that\n if (split.length >= 2) {\n var attrKey = split[0];\n attrKey = this.searchAliases[attrKey] || attrKey;\n return this.searchAttribute(attrKey, split[1]);\n }\n // no attribute is specified - search all attributes in searchAttributes\n return !!this.search(term).length;\n },\n\n /** an implicit AND search for all terms; IOW, a model must match all terms given\n * where terms is a whitespace separated value string.\n * e.g. given terms of: 'blah bler database=hg19'\n * an HDA would have to have attributes containing blah AND bler AND a genome_build == hg19\n * To include whitespace in terms: wrap the term in double quotations (name=\"blah bler\").\n */\n matchesAll: function matchesAll(terms) {\n var model = this;\n // break the terms up by whitespace and filter out the empty strings\n terms = terms.match(/(\".*\"|\\w*=\".*\"|\\S*)/g).filter(function (s) {\n return !!s;\n });\n return _.all(terms, function (term) {\n term = term.replace(/\"/g, '');\n return model.matches(term);\n });\n }\n };\n\n //==============================================================================\n /** A view that renders hidden and shows when some activator is clicked.\n * options:\n * showFn: the effect used to show/hide the View (defaults to jq.toggle)\n * $elementShown: some jqObject (defaults to this.$el) to be shown/hidden\n * onShowFirstTime: fn called the first time the view is shown\n * onshow: fn called every time the view is shown\n * onhide: fn called every time the view is hidden\n * events:\n * hiddenUntilActivated:shown (the view is passed as an arg)\n * hiddenUntilActivated:hidden (the view is passed as an arg)\n * instance vars:\n * view.hidden {boolean} is the view in the hidden state\n */\n var HiddenUntilActivatedViewMixin = /** @lends hiddenUntilActivatedMixin# */{\n //TODO: since this is a mixin, consider moving toggle, hidden into HUAVOptions\n\n /** call this in your initialize to set up the mixin\n * @param {jQuery} $activator the 'button' that's clicked to show/hide the view\n * @param {Object} hash with mixin options\n */\n hiddenUntilActivated: function hiddenUntilActivated($activator, options) {\n // call this in your view's initialize fn\n options = options || {};\n //TODO: flesh out options - show them all here\n this.HUAVOptions = {\n $elementShown: this.$el,\n showFn: jQuery.prototype.toggle,\n showSpeed: 'fast'\n };\n _.extend(this.HUAVOptions, options || {});\n /** has this been shown already (and onshowFirstTime called)? */\n this.HUAVOptions.hasBeenShown = this.HUAVOptions.$elementShown.is(':visible');\n this.hidden = this.isHidden();\n\n if ($activator) {\n var mixin = this;\n $activator.on('click', function (ev) {\n mixin.toggle(mixin.HUAVOptions.showSpeed);\n });\n }\n },\n\n //TODO:?? remove? use .hidden?\n /** returns T/F if the view is hidden */\n isHidden: function isHidden() {\n return this.HUAVOptions.$elementShown.is(':hidden');\n },\n\n /** toggle the hidden state, show/hide $elementShown, call onshow/hide, trigger events */\n toggle: function toggle() {\n //TODO: more specific name - toggle is too general\n // can be called manually as well with normal toggle arguments\n //TODO: better as a callback (when the show/hide is actually done)\n // show\n if (this.hidden) {\n // fire the optional fns on the first/each showing - good for render()\n if (!this.HUAVOptions.hasBeenShown) {\n if (_.isFunction(this.HUAVOptions.onshowFirstTime)) {\n this.HUAVOptions.hasBeenShown = true;\n this.HUAVOptions.onshowFirstTime.call(this);\n }\n }\n if (_.isFunction(this.HUAVOptions.onshow)) {\n this.HUAVOptions.onshow.call(this);\n this.trigger('hiddenUntilActivated:shown', this);\n }\n this.hidden = false;\n\n // hide\n } else {\n if (_.isFunction(this.HUAVOptions.onhide)) {\n this.HUAVOptions.onhide.call(this);\n this.trigger('hiddenUntilActivated:hidden', this);\n }\n this.hidden = true;\n }\n return this.HUAVOptions.showFn.apply(this.HUAVOptions.$elementShown, arguments);\n }\n };\n\n //==============================================================================\n /** Mixin for views that can be dragged and dropped\n * Allows for the drag behavior to be turned on/off, setting/removing jQuery event\n * handlers each time.\n * dataTransfer data is set to the JSON string of the view's model.toJSON\n * Override '$dragHandle' to define the draggable DOM sub-element.\n */\n var DraggableViewMixin = {\n\n /** set up instance vars to track whether this view is currently draggable */\n initialize: function initialize(attributes) {\n /** is the body of this hda view expanded/not? */\n this.draggable = attributes.draggable || false;\n },\n\n /** what part of the view's DOM triggers the dragging */\n $dragHandle: function $dragHandle() {\n //TODO: make abstract/general - move this to listItem\n // override to the element you want to be your view's handle\n return this.$('.title-bar');\n },\n\n /** toggle whether this view is draggable */\n toggleDraggable: function toggleDraggable() {\n if (this.draggable) {\n this.draggableOff();\n } else {\n this.draggableOn();\n }\n },\n\n /** allow the view to be dragged, set up event handlers */\n draggableOn: function draggableOn() {\n this.draggable = true;\n this.dragStartHandler = _.bind(this._dragStartHandler, this);\n this.dragEndHandler = _.bind(this._dragEndHandler, this);\n\n var handle = this.$dragHandle().attr('draggable', true).get(0);\n handle.addEventListener('dragstart', this.dragStartHandler, false);\n handle.addEventListener('dragend', this.dragEndHandler, false);\n },\n\n /** turn of view dragging and remove event listeners */\n draggableOff: function draggableOff() {\n this.draggable = false;\n var handle = this.$dragHandle().attr('draggable', false).get(0);\n handle.removeEventListener('dragstart', this.dragStartHandler, false);\n handle.removeEventListener('dragend', this.dragEndHandler, false);\n },\n\n /** sets the dataTransfer data to the model's toJSON\n * @fires draggable:dragstart (bbone event) which is passed the event and this view\n */\n _dragStartHandler: function _dragStartHandler(event) {\n event.dataTransfer.effectAllowed = 'move';\n //ASSUMES: this.model\n //TODO: all except IE: should be 'application/json', IE: must be 'text'\n event.dataTransfer.setData('text', JSON.stringify(this.model.toJSON()));\n this.trigger('draggable:dragstart', event, this);\n return false;\n },\n\n /** handle the dragend\n * @fires draggable:dragend (bbone event) which is passed the event and this view\n */\n _dragEndHandler: function _dragEndHandler(event) {\n this.trigger('draggable:dragend', event, this);\n return false;\n }\n };\n\n //==============================================================================\n /** Mixin that allows a view to be selected (gen. from a list).\n * Selection controls ($selector) may be hidden/shown/toggled.\n * The bbone event 'selectable' is fired when the controls are shown/hidden (passed T/F).\n * Default rendering is a font-awesome checkbox.\n * Default selector is '.selector' within the view's $el.\n * The bbone events 'selected' and 'de-selected' are fired when the $selector is clicked.\n * Both events are passed the view and the (jQuery) event.\n */\n var SelectableViewMixin = {\n\n /** Set up instance state vars for whether the selector is shown and whether the view has been selected */\n initialize: function initialize(attributes) {\n /** is the view currently in selection mode? */\n this.selectable = attributes.selectable || false;\n /** is the view currently selected? */\n this.selected = attributes.selected || false;\n },\n\n /** $el sub-element where the selector is rendered and what can be clicked to select. */\n $selector: function $selector() {\n return this.$('.selector');\n },\n\n /** How the selector is rendered - defaults to font-awesome checkbox */\n _renderSelected: function _renderSelected() {\n // override\n this.$selector().find('span').toggleClass('fa-check-square-o', this.selected).toggleClass('fa-square-o', !this.selected);\n },\n\n /** Toggle whether the selector is shown */\n toggleSelector: function toggleSelector() {\n //TODO: use this.selectable\n if (!this.$selector().is(':visible')) {\n this.showSelector();\n } else {\n this.hideSelector();\n }\n },\n\n /** Display the selector control.\n * @param {Number} a jQuery fx speed\n * @fires: selectable which is passed true (IOW, the selector is shown) and the view\n */\n showSelector: function showSelector(speed) {\n speed = speed !== undefined ? speed : this.fxSpeed;\n // make sure selected state is represented properly\n this.selectable = true;\n this.trigger('selectable', true, this);\n this._renderSelected();\n if (speed) {\n this.$selector().show(speed);\n } else {\n this.$selector().show();\n }\n },\n\n /** remove the selector control\n * @param {Number} a jQuery fx speed\n * @fires: selectable which is passed false (IOW, the selector is not shown) and the view\n */\n hideSelector: function hideSelector(speed) {\n speed = speed !== undefined ? speed : this.fxSpeed;\n // reverse the process from showSelect\n this.selectable = false;\n this.trigger('selectable', false, this);\n if (speed) {\n this.$selector().hide(speed);\n } else {\n this.$selector().hide();\n }\n },\n\n /** Toggle whether the view is selected */\n toggleSelect: function toggleSelect(event) {\n if (this.selected) {\n this.deselect(event);\n } else {\n this.select(event);\n }\n },\n\n /** Select this view and re-render the selector control to show it\n * @param {Event} a jQuery event that caused the selection\n * @fires: selected which is passed the view and the DOM event that triggered it (optionally)\n */\n select: function select(event) {\n // switch icon, set selected, and trigger event\n if (!this.selected) {\n this.trigger('selected', this, event);\n this.selected = true;\n this._renderSelected();\n }\n return false;\n },\n\n /** De-select this view and re-render the selector control to show it\n * @param {Event} a jQuery event that caused the selection\n * @fires: de-selected which is passed the view and the DOM event that triggered it (optionally)\n */\n deselect: function deselect(event) {\n // switch icon, set selected, and trigger event\n if (this.selected) {\n this.trigger('de-selected', this, event);\n this.selected = false;\n this._renderSelected();\n }\n return false;\n }\n };\n\n //==============================================================================\n /** Return an underscore template fn from an array of strings.\n * @param {String[]} template the template strings to compile into the underscore template fn\n * @param {String} jsonNamespace an optional namespace for the json data passed in (defaults to 'model')\n * @returns {Function} the (wrapped) underscore template fn\n * The function accepts:\n *\n * The template strings can access:\n * the json/model hash using model (\"<%- model.myAttr %>) using the jsonNamespace above\n * _l: the localizer function\n * view (if passed): ostensibly, the view using the template (handy for view instance vars)\n * Because they're namespaced, undefined attributes will not throw an error.\n *\n * @example:\n * templateBler : BASE_MVC.wrapTemplate([\n * '
\">',\n * '<% print( _l( mynamespace.message ) ); %>:<%= view.status %>'\n * '
'\n * ], 'mynamespace' )\n *\n * Meant to be called in a View's definition in order to compile only once.\n *\n */\n function wrapTemplate(template, jsonNamespace) {\n jsonNamespace = jsonNamespace || 'model';\n var templateFn = _.template(template.join(''));\n return function (json, view) {\n var templateVars = { view: view || {}, _l: _l };\n templateVars[jsonNamespace] = json || {};\n return templateFn(templateVars);\n };\n }\n\n //==============================================================================\n /** Return a comparator function for sorted Collections */\n function buildComparator(attribute_name, options) {\n options = options || {};\n var ascending = options.ascending ? 1 : -1;\n return function __comparator(a, b) {\n a = a.get(attribute_name);\n b = b.get(attribute_name);\n return (a < b ? -1 : a > b ? 1 : 0) * ascending;\n };\n }\n\n //==============================================================================\n return {\n LoggableMixin: LoggableMixin,\n SessionStorageModel: SessionStorageModel,\n mixin: mixin,\n SearchableModelMixin: SearchableModelMixin,\n HiddenUntilActivatedViewMixin: HiddenUntilActivatedViewMixin,\n DraggableViewMixin: DraggableViewMixin,\n SelectableViewMixin: SelectableViewMixin,\n wrapTemplate: wrapTemplate,\n buildComparator: buildComparator\n };\n}.apply(exports, __WEBPACK_AMD_DEFINE_ARRAY__),\n\t\t\t\t__WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));\n/* WEBPACK VAR INJECTION */}.call(exports, __webpack_require__(0)))\n\n/***/ }),\n/* 7 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n/* WEBPACK VAR INJECTION */(function(Backbone, _, $) {var __WEBPACK_AMD_DEFINE_ARRAY__, __WEBPACK_AMD_DEFINE_RESULT__;\n\n!(__WEBPACK_AMD_DEFINE_ARRAY__ = [], __WEBPACK_AMD_DEFINE_RESULT__ = function () {\n var View = Backbone.View.extend({\n\n className: \"ui-modal\",\n\n // defaults\n optionsDefault: {\n container: 'body',\n title: 'ui-modal',\n cls: 'ui-modal',\n body: '',\n backdrop: true,\n height: null,\n width: null,\n closing_events: false,\n closing_callback: null,\n title_separator: true\n },\n\n // button list\n buttonList: {},\n\n // initialize\n initialize: function initialize(options) {\n this.options = _.defaults(options || {}, this.optionsDefault);\n $(this.options.container).prepend(this.el);\n // optional render\n options && this.render();\n },\n\n /**\n * Displays modal\n */\n show: function show(options) {\n if (options) {\n this.options = _.defaults(options, this.optionsDefault);\n this.render();\n }\n if (!this.visible) {\n this.visible = true;\n this.$el.fadeIn('fast');\n if (this.options.closing_events) {\n var self = this;\n $(document).on('keyup.ui-modal', function (e) {\n e.keyCode == 27 && self.hide(true);\n });\n this.$backdrop.on('click', function () {\n self.hide(true);\n });\n }\n }\n },\n\n /**\n * Hide modal\n */\n hide: function hide(canceled) {\n this.visible = false;\n this.$el.fadeOut('fast');\n this.options.closing_callback && this.options.closing_callback(canceled);\n $(document).off('keyup.ui-modal');\n this.$backdrop.off('click');\n },\n\n /**\n * Render modal\n */\n render: function render() {\n var self = this;\n this.$el.html(this._template());\n\n // link elements\n this.$header = this.$('.modal-header');\n this.$dialog = this.$('.modal-dialog');\n this.$body = this.$('.modal-body');\n this.$footer = this.$('.modal-footer');\n this.$backdrop = this.$('.modal-backdrop');\n this.$buttons = this.$('.buttons');\n\n if (this.options.body == 'progress') {\n this.options.body = $('
' + '
' + '
');\n }\n\n // fix main content\n this.$el.removeClass().addClass('modal').addClass(this.options.cls);\n this.$header.find('.title').html(this.options.title);\n this.$body.html(this.options.body);\n\n // append buttons\n this.$buttons.empty();\n this.buttonList = {};\n if (this.options.buttons) {\n var counter = 0;\n $.each(this.options.buttons, function (name, callback) {\n var $button = $('
').attr('id', 'button-' + counter++).text(name).click(callback);\n self.$buttons.append($button).append(' ');\n self.buttonList[name] = $button;\n });\n } else {\n this.$footer.hide();\n }\n\n // configure background, separator line\n this.$backdrop[this.options.backdrop && 'addClass' || 'removeClass']('in');\n this.$header[!this.options.title_separator && 'addClass' || 'removeClass']('no-separator');\n\n // fix dimensions\n // note: because this is a singleton, we need to clear inline styles from any previous invocations\n this.$body.removeAttr('style');\n if (this.options.height) {\n this.$body.css('height', this.options.height);\n this.$body.css('overflow', 'hidden');\n } else {\n this.$body.css('max-height', $(window).height() / 2);\n }\n if (this.options.width) {\n this.$dialog.css('width', this.options.width);\n }\n },\n\n /**\n * Returns the button dom\n * @param{String} name - Button name/title\n */\n getButton: function getButton(name) {\n return this.buttonList[name];\n },\n\n /**\n * Enables a button\n * @param{String} name - Button name/title\n */\n enableButton: function enableButton(name) {\n this.getButton(name).prop('disabled', false);\n },\n\n /**\n * Disables a button\n * @param{String} name - Button name/title\n */\n disableButton: function disableButton(name) {\n this.getButton(name).prop('disabled', true);\n },\n\n /**\n * Show a button\n * @param{String} name - Button name/title\n */\n showButton: function showButton(name) {\n this.getButton(name).show();\n },\n\n /**\n * Hide a button\n * @param{String} name - Button name/title\n */\n hideButton: function hideButton(name) {\n this.getButton(name).hide();\n },\n\n /**\n * Returns scroll top for body element\n */\n scrollTop: function scrollTop() {\n return this.$body.scrollTop();\n },\n\n /**\n * Returns the modal template\n */\n _template: function _template() {\n return '
' + '
' + '
' + '' + '
' + '' + '
';\n }\n });\n\n return {\n View: View\n };\n}.apply(exports, __WEBPACK_AMD_DEFINE_ARRAY__),\n\t\t\t\t__WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));\n/* WEBPACK VAR INJECTION */}.call(exports, __webpack_require__(2), __webpack_require__(1), __webpack_require__(0)))\n\n/***/ }),\n/* 8 */,\n/* 9 */,\n/* 10 */,\n/* 11 */,\n/* 12 */,\n/* 13 */,\n/* 14 */,\n/* 15 */,\n/* 16 */,\n/* 17 */,\n/* 18 */,\n/* 19 */,\n/* 20 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n/* WEBPACK VAR INJECTION */(function(_) {var __WEBPACK_AMD_DEFINE_ARRAY__, __WEBPACK_AMD_DEFINE_RESULT__;\n\n!(__WEBPACK_AMD_DEFINE_ARRAY__ = [], __WEBPACK_AMD_DEFINE_RESULT__ = function () {\n // ============================================================================\n function get(key, queryString) {\n queryString = queryString || window.location.search.substr(1);\n var keyRegex = new RegExp(key + '=([^&#$]+)', 'g');\n var matches = queryString.match(keyRegex);\n if (!matches || !matches.length) {\n return undefined;\n }\n matches = _.map(matches, function (match) {\n return decodeURIComponent(match.substr(key.length + 1).replace(/\\+/g, ' '));\n });\n if (matches.length === 1) {\n return matches[0];\n }\n return matches;\n }\n\n function parse(queryString) {\n if (!queryString) {\n return {};\n }\n var parsed = {},\n split = queryString.split('&');\n split.forEach(function (pairString) {\n var pair = pairString.split('=');\n parsed[pair[0]] = decodeURI(pair[1]);\n });\n return parsed;\n }\n\n // ============================================================================\n return {\n get: get,\n parse: parse\n };\n}.apply(exports, __WEBPACK_AMD_DEFINE_ARRAY__),\n\t\t\t\t__WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));\n/* WEBPACK VAR INJECTION */}.call(exports, __webpack_require__(1)))\n\n/***/ }),\n/* 21 */,\n/* 22 */,\n/* 23 */,\n/* 24 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n/* WEBPACK VAR INJECTION */(function(Backbone, $) {var __WEBPACK_AMD_DEFINE_ARRAY__, __WEBPACK_AMD_DEFINE_RESULT__;\n\n/**\n Webhooks\n**/\n!(__WEBPACK_AMD_DEFINE_ARRAY__ = [], __WEBPACK_AMD_DEFINE_RESULT__ = function () {\n\n var WebhookModel = Backbone.Model.extend({\n defaults: {\n activate: false\n }\n });\n\n var Webhooks = Backbone.Collection.extend({\n model: WebhookModel\n });\n\n var WebhookView = Backbone.View.extend({\n el: '#webhook-view',\n\n initialize: function initialize(options) {\n var me = this;\n var toolId = options.toolId || '';\n var toolVersion = options.toolVersion || '';\n\n this.$el.attr('tool_id', toolId);\n this.$el.attr('tool_version', toolVersion);\n\n this.model = new WebhookModel();\n this.model.urlRoot = options.urlRoot;\n this.model.fetch({\n success: function success() {\n me.render();\n }\n });\n },\n\n render: function render() {\n var webhook = this.model.toJSON();\n\n this.$el.html('
');\n if (webhook.styles) $('', { type: 'text/css' }).text(webhook.styles).appendTo('head');\n if (webhook.script) $('', { type: 'text/javascript' }).text(webhook.script).appendTo('head');\n\n return this;\n }\n });\n\n var add = function add(options) {\n var webhooks = new Webhooks();\n\n webhooks.url = Galaxy.root + options.url;\n webhooks.fetch({\n async: options.async ? options.async : true,\n success: options.callback\n });\n };\n\n return {\n Webhooks: Webhooks,\n WebhookView: WebhookView,\n add: add\n };\n}.apply(exports, __WEBPACK_AMD_DEFINE_ARRAY__),\n\t\t\t\t__WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));\n/* WEBPACK VAR INJECTION */}.call(exports, __webpack_require__(2), __webpack_require__(0)))\n\n/***/ }),\n/* 25 */,\n/* 26 */,\n/* 27 */,\n/* 28 */,\n/* 29 */,\n/* 30 */,\n/* 31 */,\n/* 32 */,\n/* 33 */,\n/* 34 */,\n/* 35 */,\n/* 36 */,\n/* 37 */,\n/* 38 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\nvar __WEBPACK_AMD_DEFINE_ARRAY__, __WEBPACK_AMD_DEFINE_RESULT__;\n\n!(__WEBPACK_AMD_DEFINE_ARRAY__ = [__webpack_require__(0), __webpack_require__(1), __webpack_require__(2)], __WEBPACK_AMD_DEFINE_RESULT__ = function ($, _, Backbone) {\n \"use strict\";\n\n var MIN_PANEL_WIDTH = 160,\n MAX_PANEL_WIDTH = 800;\n\n /** View for left/right panels used by Page view */\n var SidePanel = Backbone.View.extend({\n\n initialize: function initialize(options) {\n this.view = options.view;\n this.hidden = false;\n this.saved_size = null;\n this.hiddenByTool = false;\n },\n\n $center: function $center() {\n return this.$el.siblings('#center');\n },\n\n $toggleButton: function $toggleButton() {\n return this.$('.unified-panel-footer > .panel-collapse');\n },\n\n render: function render() {\n var self = this;\n var panel = this.view;\n var components = this.view.model.attributes || {};\n this.$el.html(this._templatePanel(this.id));\n _.each(components.buttons, function (button) {\n self.$('.panel-header-buttons').append(button.$el);\n });\n this.$el.addClass(components.cls);\n this.$('.panel-header-text').html(_.escape(components.title));\n this.$('.unified-panel-body').append(panel.$el);\n panel.render();\n },\n\n /** panel dom template. id is 'right' or 'left' */\n _templatePanel: function _templatePanel() {\n return [this._templateHeader(), this._templateBody(), this._templateFooter()].join('');\n },\n\n /** panel dom template. id is 'right' or 'left' */\n _templateHeader: function _templateHeader(data) {\n return ['