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Éric Lemoine
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master/examples/test_treegrid_lazyloading.html
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169
master/examples/test_treegrid_lazyloading.html
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
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"http://www.w3.org/TR/html4/loose.dtd">
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<html>
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<head>
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<title>dojox.grid.TreeGrid Lazy-loading for children items test</title>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8"></meta>
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<style type="text/css">
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@import "../../../dojo/resources/dojo.css";
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@import "../../../dijit/themes/claro/claro.css";
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@import "../../../dojox/grid/resources/Grid.css";
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@import "../../../dojox/grid/resources/tundraGrid.css";
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@import "../../../dojox/grid/resources/claroGrid.css";
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body {
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font-size: 0.9em;
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font-family: Geneva, Arial, Helvetica, sans-serif;
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padding: 0.5em;
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}
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.title {
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text-align:center;
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margin:1em;
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}
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#grid1 {
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width: 65em;
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height: 25em;
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border: 1px solid #333333;
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}
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#grid2 {
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width: 65em;
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height: 25em;
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border: 1px solid #333333;
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}
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</style>
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<script type="text/javascript" src="../../../dojo/dojo.js" djConfig="isDebug:true, parseOnLoad: true"></script>
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<script type="text/javascript">
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dojo.require("dojox.grid.LazyTreeGrid");
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dojo.require("dojo.data.ItemFileWriteStore");
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dojo.require("dijit.tree.ForestStoreModel");
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dojo.require("dojox.grid.LazyTreeGridStoreModel");
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dojo.require("dijit.form.Button");
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// large dataset
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var rows = 5;
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var continentItems = [
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{name:'South America', type:'continent', population:'', area:''},
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{name:'North America', type:'continent', population:'', area:''},
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{name:'Asia', type:'continent', population:'', area:''},
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{name:'Oceania', type:'continent', population:'', area:''},
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{name:'Europe', type:'continent', population:'', area:''}
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];
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var continentChildrenList = [];
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for(var i=0, l=continentItems.length; i<rows; i++){
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continentChildrenList.push(dojo.mixin({ id: 'continent_' + i }, continentItems[i%l]));
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}
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rows = 100;
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var countryItems = [
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{name:'Egypt', type:'country', population:'', area:''},
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{name: 'Kenya', type: 'country', population:'', area:''},
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{name:'Sudan', type:'country', population:'', area:''},
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{name:'China', type:'country' , population:'', area:''},
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{name:'India', type:'country' , population:'', area:''},
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{name:'Russia', type:'country' , population:'', area:''},
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{name:'Mongolia', type:'country', population:'', area:'' },
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{name:'Australia', type:'country', population:'21 million', area:''},
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{name:'Germany', type:'country', population:'', area:'' },
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{name:'France', type:'country', population:'', area:'' },
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{name:'Spain', type:'country', population:'', area:'' },
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{name:'Italy', type:'country', population:'', area:'' },
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{name:'Mexico', type:'country', population:'108 million', area:'1,972,550 sq km'},
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{name:'Canada', type:'country', population:'33 million', area:'9,984,670 sq km'},
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{name:'United States of America', type:'country', population:'', area:'' },
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{name:'Brazil', type:'country', population:'186 million', area:'' },
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{name:'Argentina', type:'country', population:'40 million', area:'' }
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];
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var countryChildrenList = [];
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for(var i=0, l=countryItems.length; i<rows; i++){
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countryChildrenList.push(dojo.mixin({ id: 'country_' + i }, countryItems[i%l]));
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}
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cityItems = [
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{name:'Nairobi', type:'city', population:'', area:''},
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{name:'Mombasa', type:'city', population:'', area:''},
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{name:'Khartoum', type:'city', population:'', area:''},
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{name:'Mexico City', type:'city', population:'19 million', area:'', timezone:'-6 UTC'},
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{name:'Guadalajara', type:'city', population:'4 million', area:'', timezone:'-6 UTC' },
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{name:'Ottawa', type:'city', population:'0.9 million', area:'', timezone:'-5 UTC'},
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{name:'Toronto', type:'city', population:'2.5 million', area:'', timezone:'-5 UTC' },
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];
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var cityChildrenList = [];
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for(var i=0, l=cityItems.length; i<rows; i++){
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cityChildrenList.push(dojo.mixin({ id: 'city_' + i }, cityItems[i%l]));
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}
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var dataItems = {
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identifier: 'id',
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label: 'name',
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items: [
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{id:'Continent', name:'Continent', type:'', population: '', area: '', children: continentChildrenList},
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{id:"Country", name:"Country", type:"", population: '', area: '', children: countryChildrenList},
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{id:"City", name:"City", type:"", population: '', area: '', children: cityChildrenList}
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]
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};
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var readStore = new dojo.data.ItemFileReadStore({data: dataItems});
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var writeStore = new dojo.data.ItemFileWriteStore({url: "support/countryStore.json?"});
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var model1 = new dijit.tree.ForestStoreModel({store: readStore, childrenAttrs: ['children']})
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var model2 = new dojox.grid.LazyTreeGridStoreModel({store: writeStore, childrenAttrs: ['children']});
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var layout = [
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{name: 'Name', field: 'name', width: 'auto'},
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{name: 'Type', field: 'type', width: 'auto'},
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{name: 'Population', field: 'population', width: 'auto'},
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{name: 'Area', field: 'area', width: 'auto'}
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]
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function refresh(flg){
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grid2.refresh(flg);
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}
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var idx = 0;
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function addItem(){
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var item = {id:'test_' + idx, name:'test_' + (idx++), type:'', population: '', area: ''};
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grid2.store.newItem(item);
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}
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function addChildItem(){
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var parentItem = grid2.selection.getSelected()[0];
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if(parentItem){
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var item = {id:'test_child_' + idx, name:'test_child_' + (idx++), type:'', population: '', area: ''};
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grid2.store.newItem(item, {parent: parentItem, attribute: "children"});
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}
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}
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function removeSelected(){
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grid2.removeSelectedRows();
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}
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function expandSelected(){
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var item = grid2.selection.getSelected()[0];
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if(item){
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grid2.expand(grid2.store.getIdentity(item));
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}
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}
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function collapseSelected(){
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var item = grid2.selection.getSelected()[0];
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if(item){
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grid2.collapse(grid2.store.getIdentity(item));
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}
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}
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</script>
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</head>
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<body class="claro">
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<h1 class="title">Test: dojox.grid.TreeGrid - Lazy-loading for children items</h1>
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<h2>grid 1</h2>
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<div id='grid1' jsid='grid1' dojoType='dojox.grid.LazyTreeGrid'
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structure='layout' treeModel='model1' rowSelector='true'></div>
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<h2>grid 2</h2>
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<div id='grid2' jsid='grid2' dojoType='dojox.grid.LazyTreeGrid'
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structure='layout' treeModel='model2'
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keepSelection='true' rowSelector='true'></div>
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<button dojoType="dijit.form.Button" onClick="refresh(true)">Refresh with state</button>
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<button dojoType="dijit.form.Button" onClick="refresh(false)">Refresh without state</button>
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<button dojoType="dijit.form.Button" onClick="addItem()">Add Item</button>
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<button dojoType="dijit.form.Button" onClick="addChildItem()">Add Child Item</button>
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<button dojoType="dijit.form.Button" onClick="removeSelected()">Delete Selected</button>
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<button dojoType="dijit.form.Button" onClick="expandSelected()">Expand Selected</button>
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<button dojoType="dijit.form.Button" onClick="collapseSelected()">Collapse Selected</button>
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</body>
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</html>
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