mirror of
https://github.com/galaxyproject/galaxy.git
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History panel: use SessionStorageModel, remove PersistentStorage
This commit is contained in:
Carl Eberhard
+38
-138
@@ -92,18 +92,30 @@ var LoggableMixin = /** @lends LoggableMixin# */{
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/** Backbone model that syncs to the browser's sessionStorage API.
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*/
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var SessionStorageModel = Backbone.Model.extend({
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initialize : function( hash, x, y, z ){
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if( !hash || !hash.hasOwnProperty( 'id' ) ){
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throw new Error( 'SessionStorageModel needs an id on init' );
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}
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// immed. save the passed in model and save on any change to it
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this.save();
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initialize : function( initialAttrs ){
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// create unique id if none provided
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initialAttrs.id = ( !_.isString( initialAttrs.id ) )?( _.uniqueId() ):( initialAttrs.id );
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this.id = initialAttrs.id;
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// load existing from storage (if any), clear any attrs set by bbone before init is called,
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// layer initial over existing and defaults, and save
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var existing = ( !this.isNew() )?( this._read( this ) ):( {} );
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this.clear({ silent: true });
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this.save( _.extend( {}, this.defaults, existing, initialAttrs ), { silent: true });
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// save on any change to it immediately
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this.on( 'change', function(){
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this.save();
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});
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},
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/** override of bbone sync to save to sessionStorage rather than REST
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* bbone options (success, errror, etc.) should still apply
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*/
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sync : function( method, model, options ){
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model.trigger('request', model, {}, options);
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if( !options.silent ){
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model.trigger( 'request', model, {}, options );
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}
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var returned;
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switch( method ){
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case 'create' : returned = this._create( model ); break;
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@@ -118,159 +130,47 @@ var SessionStorageModel = Backbone.Model.extend({
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}
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return returned;
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},
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/** set storage to the stringified item */
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_create : function( model ){
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var json = model.toJSON(),
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set = sessionStorage.setItem( model.id, JSON.stringify( json ) );
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return ( set === null )?( set ):( json );
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},
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/** read and parse json from storage */
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_read : function( model ){
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return JSON.parse( sessionStorage.getItem( model.id, JSON.stringify( model.toJSON() ) ) );
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return JSON.parse( sessionStorage.getItem( model.id ) );
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},
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/** set storage to the item (alias to create) */
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_update : function( model ){
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return model._create( model );
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},
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/** remove the item from storage */
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_delete : function( model ){
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return sessionStorage.removeItem( model.id );
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},
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/** T/F whether sessionStorage contains the model's id (data is present) */
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isNew : function(){
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return !sessionStorage.hasOwnProperty( this.id );
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},
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_log : function(){
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return JSON.stringify( this.toJSON(), null, ' ' );
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},
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toString : function(){
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return 'SessionStorageModel(' + this.id + ')';
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}
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});
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(function(){
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SessionStorageModel.prototype = _.omit( SessionStorageModel.prototype, 'url', 'urlRoot' );
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}());
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//==============================================================================
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/**
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* @class persistent storage adapter.
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* Provides an easy interface to object based storage using method chaining.
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* Allows easy change of the storage engine used (h5's local storage?).
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* @augments StorageRecursionHelper
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*
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* @param {String} storageKey : the key the storage engine will place the storage object under
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* @param {Object} storageDefaults : [optional] initial object to set up storage with
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*
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* @example
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* // example of construction and use
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* HistoryPanel.storage = new PersistanStorage( HistoryPanel.toString(), { visibleItems, {} });
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* itemView.bind( 'toggleBodyVisibility', function( id, visible ){
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* if( visible ){
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* HistoryPanel.storage.get( 'visibleItems' ).set( id, true );
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* } else {
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* HistoryPanel.storage.get( 'visibleItems' ).deleteKey( id );
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* }
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* });
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* @constructor
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*/
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var PersistentStorage = function( storageKey, storageDefaults ){
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if( !storageKey ){
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throw( "PersistentStorage needs storageKey argument" );
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}
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storageDefaults = storageDefaults || {};
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// ~constants for the current engine
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var STORAGE_ENGINE = sessionStorage,
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STORAGE_ENGINE_GETTER = function sessionStorageGet( key ){
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var item = this.getItem( key );
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return ( item !== null )?( JSON.parse( this.getItem( key ) ) ):( null );
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},
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STORAGE_ENGINE_SETTER = function sessionStorageSet( key, val ){
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return this.setItem( key, JSON.stringify( val ) );
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},
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STORAGE_ENGINE_KEY_DELETER = function sessionStorageDel( key ){ return this.removeItem( key ); };
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/** Inner, recursive, private class for method chaining access.
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* @name StorageRecursionHelper
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* @constructor
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*/
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function StorageRecursionHelper( data, parent ){
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//console.debug( 'new StorageRecursionHelper. data:', data );
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data = data || {};
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parent = parent || null;
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return /** @lends StorageRecursionHelper.prototype */{
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/** get a value from the storage obj named 'key',
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* if it's an object - return a new StorageRecursionHelper wrapped around it
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* if it's something simpler - return the value
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* if this isn't passed a key - return the data at this level of recursion
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*/
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get : function( key ){
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//console.debug( this + '.get', key );
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if( key === undefined ){
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return data;
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} else if( data.hasOwnProperty( key ) ){
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return ( jQuery.type( data[ key ] ) === 'object' )?
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( new StorageRecursionHelper( data[ key ], this ) )
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:( data[ key ] );
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}
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return undefined;
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},
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/** get the underlying data based on this key */
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// set a value on the current data - then pass up to top to save current entire object in storage
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set : function( key, value ){
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//TODO: add parameterless variation setting the data somehow
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// ??: difficult bc of obj by ref, closure
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//console.debug( this + '.set', key, value );
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data[ key ] = value;
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this._save();
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return this;
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},
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// remove a key at this level - then save entire (as 'set' above)
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deleteKey : function( key ){
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//console.debug( this + '.deleteKey', key );
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delete data[ key ];
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this._save();
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return this;
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},
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// pass up the recursion chain (see below for base case)
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_save : function(){
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//console.debug( this + '.save', parent );
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return parent._save();
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},
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toString : function(){
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return ( 'StorageRecursionHelper(' + data + ')' );
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}
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};
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}
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//??: more readable to make another class?
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var returnedStorage = {},
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// attempt to get starting data from engine...
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data = STORAGE_ENGINE_GETTER.call( STORAGE_ENGINE, storageKey );
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// ...if that fails, use the defaults (and store them)
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if( data === null || data === undefined ){
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data = jQuery.extend( true, {}, storageDefaults );
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STORAGE_ENGINE_SETTER.call( STORAGE_ENGINE, storageKey, data );
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}
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// the object returned by this constructor will be a modified StorageRecursionHelper
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returnedStorage = new StorageRecursionHelper( data );
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jQuery.extend( returnedStorage, /** @lends PersistentStorage.prototype */{
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/** The base case for save()'s upward recursion - save everything to storage.
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* @private
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* @param {Any} newData data object to save to storage
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*/
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_save : function( newData ){
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//console.debug( returnedStorage, '._save:', JSON.stringify( returnedStorage.get() ) );
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return STORAGE_ENGINE_SETTER.call( STORAGE_ENGINE, storageKey, returnedStorage.get() );
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},
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/** Delete function to remove the entire base data object from the storageEngine.
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*/
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destroy : function(){
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//console.debug( returnedStorage, '.destroy:' );
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return STORAGE_ENGINE_KEY_DELETER.call( STORAGE_ENGINE, storageKey );
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},
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/** String representation.
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*/
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toString : function(){ return 'PersistentStorage(' + storageKey + ')'; }
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});
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return returnedStorage;
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};
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//==============================================================================
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var HiddenUntilActivatedViewMixin = /** @lends hiddenUntilActivatedMixin# */{
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@@ -93,8 +93,8 @@ var HDABaseView = Backbone.View.extend( LoggableMixin ).extend(
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var $newRender = $( HDABaseView.templates.skeleton( this.model.toJSON() ) );
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$newRender.find( '.dataset-primary-actions' ).append( this._render_titleButtons() );
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$newRender.children( '.dataset-body' ).replaceWith( this._render_body() );
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//this._renderSelectable( $newRender );
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this._setUpBehaviors( $newRender );
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//this._renderSelectable( $newRender );
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// fade the old render out (if desired)
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if( fade ){
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@@ -3,6 +3,44 @@ define([
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"mvc/dataset/hda-base",
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"mvc/dataset/hda-edit"
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], function( historyModel, hdaBase, hdaEdit ){
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// ============================================================================
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/** session storage for individual history preferences
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*/
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var HistoryPanelPrefs = SessionStorageModel.extend({
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defaults : {
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//TODO:?? expandedHdas to array?
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expandedHdas : {},
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//TODO:?? move to user?
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show_deleted : false,
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show_hidden : false
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//TODO: add scroll position?
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},
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/** add an hda id to the hash of expanded hdas */
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addExpandedHda : function( id ){
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this.save( 'expandedHdas', _.extend( this.get( 'expandedHdas' ), _.object([ id ], [ true ]) ) );
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},
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/** remove an hda id from the hash of expanded hdas */
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removeExpandedHda : function( id ){
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this.save( 'expandedHdas', _.omit( this.get( 'expandedHdas' ), id ) );
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},
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toString : function(){
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return 'HistoryPanelPrefs(' + this.id + ')';
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}
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});
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/** key string to store each histories settings under */
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HistoryPanelPrefs.historyStorageKey = function historyStorageKey( historyId ){
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// class lvl for access w/o instantiation
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if( !historyId ){
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throw new Error( 'HistoryPanelPrefs.historyStorageKey needs valid id: ' + historyId );
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}
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// single point of change
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return ( 'history:' + historyId );
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};
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/* =============================================================================
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Backbone.js implementation of history panel
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@@ -216,8 +254,8 @@ var HistoryPanel = Backbone.View.extend( LoggableMixin ).extend(
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// - hdas w/o details will have summary data only (name, hid, deleted, visible, state, etc.))
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/** (re-)loads the user's current history & hdas w/ details */
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// implemented as a 'fresh start' or for when there is no model (intial panel render)
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loadCurrentHistory : function( attributes ){
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// implemented as a 'fresh start' or for when there is no model (intial panel render)
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var panel = this;
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return this.loadHistoryWithHDADetails( 'current', attributes )
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.then(function( historyData, hdaData ){
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@@ -334,7 +372,7 @@ var HistoryPanel = Backbone.View.extend( LoggableMixin ).extend(
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return this;
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},
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// alias to the model. Updates the hda list only (not the history)
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/** alias to the model. Updates the hda list only (not the history) */
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refreshHdas : function( detailIds, options ){
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if( this.model ){
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return this.model.refresh( detailIds, options );
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@@ -344,8 +382,6 @@ var HistoryPanel = Backbone.View.extend( LoggableMixin ).extend(
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},
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// ------------------------------------------------------------------------ browser stored prefs
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//TODO: simplify
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/** Set up client side storage. Currently PersistanStorage keyed under 'HistoryPanel.<id>'
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* @param {Object} initiallyExpanded
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* @param {Boolean} show_deleted whether to show deleted HDAs (overrides stored)
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@@ -353,55 +389,31 @@ var HistoryPanel = Backbone.View.extend( LoggableMixin ).extend(
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* @see PersistentStorage
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*/
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_setUpWebStorage : function( initiallyExpanded, show_deleted, show_hidden ){
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//this.log( '_setUpWebStorage, initiallyExpanded:', initiallyExpanded,
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// 'show_deleted:', show_deleted, 'show_hidden', show_hidden );
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//TODO: add scroll position?
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// data that needs to be persistent over page refreshes
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// (note the key function which uses the history id as well)
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this.storage = new PersistentStorage( this._getStorageKey( this.model.get( 'id' ) ), {
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expandedHdas : {},
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show_deleted : false,
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show_hidden : false
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//console.debug( '_setUpWebStorage', initiallyExpanded, show_deleted, show_hidden );
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this.storage = new HistoryPanelPrefs({
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id: HistoryPanelPrefs.historyStorageKey( this.model.get( 'id' ) )
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});
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this.log( this + ' (prev) storage:', JSON.stringify( this.storage.get(), null, 2 ) );
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// expanded Hdas is a map of hda.ids -> a boolean rep'ing whether this hda's body is expanded
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// expanded Hdas is a map of hda.ids -> a boolean repr'ing whether this hda's body is already expanded
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// store any pre-expanded ids passed in
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if( initiallyExpanded ){
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if( _.isObject( initiallyExpanded ) ){
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this.storage.set( 'exandedHdas', initiallyExpanded );
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}
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//TODO: should be global pref? (not specific to each history)
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// get the show_deleted/hidden settings giving priority to values passed in,
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// using web storage otherwise
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// get the show_deleted/hidden settings giving priority to values passed in, using web storage otherwise
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// if the page has specifically requested show_deleted/hidden, these will be either true or false
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// (as opposed to undefined, null) - and we give priority to that setting
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if( ( show_deleted === true ) || ( show_deleted === false ) ){
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// save them to web storage
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if( _.isBoolean( show_deleted ) ){
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this.storage.set( 'show_deleted', show_deleted );
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}
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if( ( show_hidden === true ) || ( show_hidden === false ) ){
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if( _.isBoolean( show_hidden ) ){
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this.storage.set( 'show_hidden', show_hidden );
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}
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// if the page hasn't specified whether to show_deleted/hidden, pull show_deleted/hidden from the web storage
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this.show_deleted = this.storage.get( 'show_deleted' );
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this.show_hidden = this.storage.get( 'show_hidden' );
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//this.log( 'this.show_deleted:', this.show_deleted, 'show_hidden', this.show_hidden );
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this.trigger( 'new-storage', this.storage, this );
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this.log( this + ' (init\'d) storage:', this.storage.get() );
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},
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/** key string to store each histories settings under */
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_getStorageKey : function( id ){
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if( !id ){
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throw new Error( '_getStorageKey needs valid id: ' + id );
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}
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return ( 'history:' + id );
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},
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/** clear all stored history panel data */
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clearWebStorage : function(){
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for( var key in sessionStorage ){
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@@ -417,11 +429,11 @@ var HistoryPanel = Backbone.View.extend( LoggableMixin ).extend(
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return ( this.storage )?( this.storage.get() ):( {} );
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}
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//TODO: make storage engine generic
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var item = sessionStorage.getItem( this._getStorageKey( historyId ) );
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var item = sessionStorage.getItem( HistoryPanelPrefs.historyStorageKey( historyId ) );
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return ( item === null )?( {} ):( JSON.parse( item ) );
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},
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/** get all the map of expaneded hda ids for the given history id */
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/** get an array of expanded hda ids for the given history id */
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getExpandedHdaIds : function( historyId ){
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var expandedHdas = this.getStoredOptions( historyId ).expandedHdas;
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return (( _.isEmpty( expandedHdas ) )?( [] ):( _.keys( expandedHdas ) ));
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@@ -509,7 +521,7 @@ var HistoryPanel = Backbone.View.extend( LoggableMixin ).extend(
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*/
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createHdaView : function( hda ){
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var hdaId = hda.get( 'id' ),
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expanded = this.storage.get( 'expandedHdas' ).get( hdaId ),
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expanded = this.storage.get( 'expandedHdas' )[ hdaId ],
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hdaView = new this.HDAView({
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model : hda,
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expanded : expanded,
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@@ -529,10 +541,10 @@ var HistoryPanel = Backbone.View.extend( LoggableMixin ).extend(
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var historyView = this;
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// maintain a list of hdas whose bodies are expanded
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hdaView.on( 'body-expanded', function( id ){
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historyView.storage.get( 'expandedHdas' ).set( id, true );
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historyView.storage.addExpandedHda( id );
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});
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hdaView.on( 'body-collapsed', function( id ){
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historyView.storage.get( 'expandedHdas' ).deleteKey( id );
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historyView.storage.removeExpandedHda( id );
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});
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//TODO: remove?
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hdaView.on( 'error', function( model, xhr, options, msg ){
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@@ -1 +1 @@
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var BaseModel=Backbone.RelationalModel.extend({defaults:{name:null,hidden:false},show:function(){this.set("hidden",false)},hide:function(){this.set("hidden",true)},is_visible:function(){return !this.attributes.hidden}});var BaseView=Backbone.View.extend({initialize:function(){this.model.on("change:hidden",this.update_visible,this);this.update_visible()},update_visible:function(){if(this.model.attributes.hidden){this.$el.hide()}else{this.$el.show()}}});var LoggableMixin={logger:null,log:function(){if(this.logger){var a=this.logger.log;if(typeof this.logger.log==="object"){a=Function.prototype.bind.call(this.logger.log,this.logger)}return a.apply(this.logger,arguments)}return undefined}};var SessionStorageModel=Backbone.Model.extend({initialize:function(b,a,d,c){if(!b||!b.hasOwnProperty("id")){throw new Error("SessionStorageModel needs an id on init")}this.save();this.on("change",function(){this.save()})},sync:function(d,b,a){b.trigger("request",b,{},a);var c;switch(d){case"create":c=this._create(b);break;case"read":c=this._read(b);break;case"update":c=this._update(b);break;case"delete":c=this._delete(b);break}if(c!==undefined||c!==null){if(a.success){a.success()}}else{if(a.error){a.error()}}return c},_create:function(a){var b=a.toJSON(),c=sessionStorage.setItem(a.id,JSON.stringify(b));return(c===null)?(c):(b)},_read:function(a){return JSON.parse(sessionStorage.getItem(a.id,JSON.stringify(a.toJSON())))},_update:function(a){return a._create(a)},_delete:function(a){return sessionStorage.removeItem(a.id)},isNew:function(){return !sessionStorage.hasOwnProperty(this.id)}});(function(){SessionStorageModel.prototype=_.omit(SessionStorageModel.prototype,"url","urlRoot")}());var PersistentStorage=function(k,g){if(!k){throw ("PersistentStorage needs storageKey argument")}g=g||{};var i=sessionStorage,c=function j(m){var n=this.getItem(m);return(n!==null)?(JSON.parse(this.getItem(m))):(null)},b=function e(m,n){return this.setItem(m,JSON.stringify(n))},d=function f(m){return this.removeItem(m)};function a(n,m){n=n||{};m=m||null;return{get:function(o){if(o===undefined){return n}else{if(n.hasOwnProperty(o)){return(jQuery.type(n[o])==="object")?(new a(n[o],this)):(n[o])}}return undefined},set:function(o,p){n[o]=p;this._save();return this},deleteKey:function(o){delete n[o];this._save();return this},_save:function(){return m._save()},toString:function(){return("StorageRecursionHelper("+n+")")}}}var l={},h=c.call(i,k);if(h===null||h===undefined){h=jQuery.extend(true,{},g);b.call(i,k,h)}l=new a(h);jQuery.extend(l,{_save:function(m){return b.call(i,k,l.get())},destroy:function(){return d.call(i,k)},toString:function(){return"PersistentStorage("+k+")"}});return l};var HiddenUntilActivatedViewMixin={hiddenUntilActivated:function(a,c){c=c||{};this.HUAVOptions={$elementShown:this.$el,showFn:jQuery.prototype.toggle,showSpeed:"fast"};_.extend(this.HUAVOptions,c||{});this.HUAVOptions.hasBeenShown=this.HUAVOptions.$elementShown.is(":visible");if(a){var b=this;a.on("click",function(d){b.toggle(b.HUAVOptions.showSpeed)})}},toggle:function(){if(this.HUAVOptions.$elementShown.is(":hidden")){if(!this.HUAVOptions.hasBeenShown){if(_.isFunction(this.HUAVOptions.onshowFirstTime)){this.HUAVOptions.hasBeenShown=true;this.HUAVOptions.onshowFirstTime.call(this)}}else{if(_.isFunction(this.HUAVOptions.onshow)){this.HUAVOptions.onshow.call(this)}}}return this.HUAVOptions.showFn.apply(this.HUAVOptions.$elementShown,arguments)}};
|
||||
var BaseModel=Backbone.RelationalModel.extend({defaults:{name:null,hidden:false},show:function(){this.set("hidden",false)},hide:function(){this.set("hidden",true)},is_visible:function(){return !this.attributes.hidden}});var BaseView=Backbone.View.extend({initialize:function(){this.model.on("change:hidden",this.update_visible,this);this.update_visible()},update_visible:function(){if(this.model.attributes.hidden){this.$el.hide()}else{this.$el.show()}}});var LoggableMixin={logger:null,log:function(){if(this.logger){var a=this.logger.log;if(typeof this.logger.log==="object"){a=Function.prototype.bind.call(this.logger.log,this.logger)}return a.apply(this.logger,arguments)}return undefined}};var SessionStorageModel=Backbone.Model.extend({initialize:function(b){b.id=(!_.isString(b.id))?(_.uniqueId()):(b.id);this.id=b.id;var a=(!this.isNew())?(this._read(this)):({});this.clear({silent:true});this.save(_.extend({},this.defaults,a,b),{silent:true});this.on("change",function(){this.save()})},sync:function(d,b,a){if(!a.silent){b.trigger("request",b,{},a)}var c;switch(d){case"create":c=this._create(b);break;case"read":c=this._read(b);break;case"update":c=this._update(b);break;case"delete":c=this._delete(b);break}if(c!==undefined||c!==null){if(a.success){a.success()}}else{if(a.error){a.error()}}return c},_create:function(a){var b=a.toJSON(),c=sessionStorage.setItem(a.id,JSON.stringify(b));return(c===null)?(c):(b)},_read:function(a){return JSON.parse(sessionStorage.getItem(a.id))},_update:function(a){return a._create(a)},_delete:function(a){return sessionStorage.removeItem(a.id)},isNew:function(){return !sessionStorage.hasOwnProperty(this.id)},_log:function(){return JSON.stringify(this.toJSON(),null," ")},toString:function(){return"SessionStorageModel("+this.id+")"}});(function(){SessionStorageModel.prototype=_.omit(SessionStorageModel.prototype,"url","urlRoot")}());var HiddenUntilActivatedViewMixin={hiddenUntilActivated:function(a,c){c=c||{};this.HUAVOptions={$elementShown:this.$el,showFn:jQuery.prototype.toggle,showSpeed:"fast"};_.extend(this.HUAVOptions,c||{});this.HUAVOptions.hasBeenShown=this.HUAVOptions.$elementShown.is(":visible");if(a){var b=this;a.on("click",function(d){b.toggle(b.HUAVOptions.showSpeed)})}},toggle:function(){if(this.HUAVOptions.$elementShown.is(":hidden")){if(!this.HUAVOptions.hasBeenShown){if(_.isFunction(this.HUAVOptions.onshowFirstTime)){this.HUAVOptions.hasBeenShown=true;this.HUAVOptions.onshowFirstTime.call(this)}}else{if(_.isFunction(this.HUAVOptions.onshow)){this.HUAVOptions.onshow.call(this)}}}return this.HUAVOptions.showFn.apply(this.HUAVOptions.$elementShown,arguments)}};
|
||||
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Reference in New Issue
Block a user