一些EXTJS2.2使用例子
工作中常用的ExtJS控件使用实例虽然版本陈旧，框架性的东西还是记录下来，若以后用到好依葫芦画瓢http://www.agoit.com/images/smiles/icon_lol.gif
/***Grid*/// 表格创建var sm = new Ext.grid.CheckboxSelectionModel();var operation = {header : '操作',dataIndex : 'orderId',align : 'center',width : 43,renderer : function(val) {var htmlStr = '<ahref="#">' +'<img style="border:0px" alt="编辑" src="' + buildURL('/pub/images/tbtn_amend.gif') + '"/></a>';htmlStr +='<span>|</span>' +'<ahref="#">' +'<img style="border:0px" alt="删除" src="' + buildURL('/pub/images/tbtn_delete.gif') + '"/></a>';return htmlStr;}};var cmItems = ;var cm = new Ext.grid.ColumnModel(cmItems);var gridConfig = Ext.apply(config, {sm : sm,cm : cm,viewConfig : {forceFit : false}, loadMask : true，store : payOrdGridStore,tbar : toolbar});var grid = new Ext.grid.GridPanel(gridConfig);var rowdblclick = function(grid, rowIndex, eventobj) {var store = grid.getStore();var orderId = store.getAt(rowIndex).id;// ... ... ...};grid.on('rowdblclick', rowdblclick);// 使用SelectionModel 取已选择的行var selectedRows = grid.getSelectionModel().getSelections();if(selectedRows.length === 0) {Ext.Msg.alert(YoushangTips, '至少选择一条记录！');return ;}for(var i=0; i<selectedRows.length; i++) {orderIds.push(selectedRows.id);}// ... ... ...}/***Grid Plugin(RowExpander),扩展了一个isCollapsed配置项(可指定行默认是否收起)*/// 使用var rx = new Ext.grid.RowExpander({tpl : new Ext.Template('<div style="margin: 0px 0px 8px 56px;"><ul><li style="list-style-type:disc;"><h2>详细内容:</h2><p style="width: 450px; line-height: 150%; margin: 3px 0px 5px 25px;">{cOntent}<p/></li>{qDesc}</ul></div>'),isCollapsed : false,enableCaching : false});var cm = new Ext.grid.ColumnModel();var grid = new Ext.grid.GridPanel({store : store,tbar : toolbar,cm : cm,plugins : rx,loadMask : true}); // RowExpander源文件/* * Ext JS Library 2.2 * Copyright(c) 2006-2008, Ext JS, LLC. * licensing@extjs.com * * http://extjs.com/license */Ext.grid.RowExpander = function(config){ Ext.apply(this, config); this.addEvents({ beforeexpand : true, expand: true, beforecollapse: true, collapse: true }); Ext.grid.RowExpander.superclass.constructor.call(this); if(this.tpl){ if(typeof this.tpl == 'string'){ this.tpl = new Ext.Template(this.tpl); } this.tpl.compile(); } this.state = {}; this.bodyContent = {};};Ext.extend(Ext.grid.RowExpander, Ext.util.Observable, { header: "", width: 20, sortable: false, fixed:true, menuDisabled:true, dataIndex: '', id: 'expander', lazyRender : true, enableCaching: true, isCollapsed : true,// 默认行是否收缩标志 getRowClass : function(record, rowIndex, p, ds){ p.cols = p.cols-1; var content = this.bodyContent; if(!content && !this.lazyRender){ content = this.getBodyContent(record, rowIndex); } if(content){ p.body = content; } if(this.isCollapsed) return this.state ? 'x-grid3-row-expanded' : 'x-grid3-row-collapsed'; if(!this.isCollapsed) return this.state ? 'x-grid3-row-collapsed' : 'x-grid3-row-expanded'; }, init : function(grid){ this.grid = grid; if(!this.isCollapsed) this.lazyRender = false; var view = grid.getView(); view.getRowClass = this.getRowClass.createDelegate(this); view.enableRowBody = true; grid.on('render', function(){ view.mainBody.on('mousedown', this.onMouseDown, this); }, this); }, getBodyContent : function(record, index){ if(!this.enableCaching){ return this.tpl.apply(record.data); } var content = this.bodyContent; if(!content){ content = this.tpl.apply(record.data); this.bodyContent = content; } return content; }, onMouseDown : function(e, t){ if(t.className == 'x-grid3-row-expander'){ e.stopEvent(); var row = e.getTarget('.x-grid3-row'); this.toggleRow(row); } }, renderer : function(v, p, record){ p.cellAttr = 'rowspan="2"'; return '<div class="x-grid3-row-expander"> </div>'; }, beforeExpand : function(record, body, rowIndex){ if(this.fireEvent('beforeexpand', this, record, body, rowIndex) !== false){ if(this.tpl && this.lazyRender){ body.innerHTML = this.getBodyContent(record, rowIndex); } return true; }else{ return false; } }, toggleRow : function(row){ if(typeof row == 'number'){ row = this.grid.view.getRow(row); } this(row); }, expandRow : function(row){ if(typeof row == 'number'){ row = this.grid.view.getRow(row); } var record = this.grid.store.getAt(row.rowIndex); var body = Ext.DomQuery.selectNode('tr:nth(2) div.x-grid3-row-body', row); if(this.beforeExpand(record, body, row.rowIndex)){ this.state = true; Ext.fly(row).replaceClass('x-grid3-row-collapsed', 'x-grid3-row-expanded'); this.fireEvent('expand', this, record, body, row.rowIndex); } }, collapseRow : function(row){ if(typeof row == 'number'){ row = this.grid.view.getRow(row); } var record = this.grid.store.getAt(row.rowIndex); var body = Ext.fly(row).child('tr:nth(1) div.x-grid3-row-body', true); if(this.fireEvent('beforecollapse', this, record, body, row.rowIndex) !== false){ this.state = false; Ext.fly(row).replaceClass('x-grid3-row-expanded', 'x-grid3-row-collapsed'); this.fireEvent('collapse', this, record, body, row.rowIndex); } } });/***Toolbar*/var toolbar = new Ext.Toolbar({border : true,autoWidth : true,items : [{text : '按钮1',tooltip : '提示',iconCls : 'tb-distribute',hidden : !isAdmin,handler : function() {// ... ... ...}}, '-', {text : '按钮2',tooltip : '提示',iconCls : 'tb-customerview',handler : function() {// ... ... ...}}]});/***DataStore*/var myStore = new Ext.data.Store({proxy : new Ext.data.XXXProxy({XXXFunc : function(params) {if (params && !params.start && !params.limit) {params.start = 0;params.limit = 700;}var conditions = this.filter.getValue();if(params.ownerId) {conditions.ownerId = params.ownerId;}var data = payOrdApi.findHeadInfo(params.start, params.limit, conditions);return {total : data.length,list : data};}.bind(this)}),reader : new Ext.data.JsonReader({root : 'list',totalProperty : 'total',id : 'orderId'} , ['orderId', 'payMOnth', /*... ... ...*/])});myStore.load({callback : function() {// ... ... ...var num = this.getCount();// ... ... ...}});/***Layout And View*/var view = new Ext.Viewport({layout : 'fit',items : [{layout : 'border',defaults : {autoScroll : true},items : [{region : 'north',title : '上部区域',height : 265,shim : false,collapsible: true,items : }, {id : 'addTrack_panel',hidden : !isAssignedFlag,region: 'east',title : '右部区域',width : 405,bodyStyle : 'padding-top:19px;',shim : false,collapsible: true,collapsed : true,items : }, {region: 'center',layout : 'fit',title : '中心区域',border: true,shim : false,items : }]}]});view.show();
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