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Refactor tabular chunked display into Backbone and use for displaying tabular data.

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Jeremy Goecks
2013-02-04 12:37:32 -05:00
parent 9d6d64684b
commit e4ff2da11b
3 changed files with 186 additions and 87 deletions
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static/scripts/packed/mvc/data.js
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@@ -1 +1 @@
define(["libs/backbone/backbone-relational"],function(){var a=Backbone.RelationalModel.extend({});var b=Backbone.RelationalModel.extend({defaults:{id:"",type:"",name:"",hda_ldda:"hda",metadata:null},initialize:function(){var d=new a();_.each(_.keys(this.attributes),function(e){if(e.indexOf("metadata_")===0){var f=e.split("metadata_")[1];d.set(f,this.attributes[e]);delete this.attributes[e]}},this);this.set("metadata",d)},get_metadata:function(d){return this.attributes.metadata.get(d)},urlRoot:galaxy_paths.get("datasets_url")});var c=Backbone.Collection.extend({model:b});return{Dataset:b,DatasetCollection:c}});
define(["libs/backbone/backbone-relational"],function(){var b=Backbone.RelationalModel.extend({});var c=Backbone.RelationalModel.extend({defaults:{id:"",type:"",name:"",hda_ldda:"hda",metadata:null},initialize:function(){var f=new b();_.each(_.keys(this.attributes),function(g){if(g.indexOf("metadata_")===0){var h=g.split("metadata_")[1];f.set(h,this.attributes[g]);delete this.attributes[g]}},this);this.set("metadata",f)},get_metadata:function(f){return this.attributes.metadata.get(f)},urlRoot:galaxy_paths.get("datasets_url")});var a=c.extend({defaults:_.extend({},c.prototype.defaults,{chunk_url:null,first_data_chunk:null,chunk_index:-1,at_eof:false}),initialize:function(f){c.prototype.initialize.call(this);chunk_index=(this.attributes.first_data_chunk?1:0)},set_first_chunk:function(f){this.attributes.first_data_chunk=f;this.attributes.chunk_index=1},get_next_chunk:function(){if(this.attributes.at_eof){return null}var f=this,g=$.Deferred();$.getJSON(this.attributes.chunk_url,{chunk:f.attributes.chunk_index++}).success(function(h){var i;if(h.ck_data!==""){i=h}else{f.attributes.at_eof=true;i=null}g.resolve(i)});return g}});var e=Backbone.Collection.extend({model:c});var d=Backbone.View.extend({initialize:function(f){},render:function(){this.$el.append($("<div/>").attr("id","loading_indicator"));var i=$("<table/>").attr({id:"content_table",cellpadding:0});this.$el.append(i);var f=this.model.get_metadata("column_names");if(f){i.append("<tr><th>"+f.join("</th><th>")+"</th></tr>")}var h=this.model.get("first_data_chunk");if(h){this._renderChunk(h)}var g=this;$(window).scroll(function(){if($(window).scrollTop()===$(document).height()-$(window).height()){$.when(g.model.get_next_chunk()).then(function(j){if(j){g._renderChunk(j)}})}});$("#loading_indicator").ajaxStart(function(){$(this).show()}).ajaxStop(function(){$(this).hide()})},_renderCell:function(h,f,i){var g=this.model.get_metadata("column_types");if(i!==undefined){return $("<td>").attr("colspan",i).addClass("stringalign").text(h)}else{if(g[f]==="str"||g==="list"){return $("<td>").addClass("stringalign").text(h)}else{return $("<td>").text(h)}}},_renderRow:function(f){var g=f.split("\t"),i=$("<tr>"),h=this.model.get_metadata("columns");if(g.length===h){_.each(g,function(k,j){i.append(this._renderCell(k,j))},this)}else{if(g.length>h){_.each(g.slice(0,h-1),function(k,j){i.append(this._renderCell(k,j))},this);i.append(this._renderCell(g.slice(h-1).join("\t"),h-1))}else{if(h>5&&g.length===h-1){_.each(g,function(k,j){i.append(this._renderCell(k,j))},this);i.append($("<td>"))}else{i.append(this._renderCell(f,0,h))}}}return i},_renderChunk:function(f){var g=this.$el.find("table");_.each(f.ck_data.split("\n"),function(h,i){g.append(this._renderRow(h))},this)}});return{Dataset:c,TabularDataset:a,DatasetCollection:e,TabularDatasetChunkedView:d}});