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【转】Ext2 常见界面界面(grid分页、窗口布局、下拉框级联)

Posted on 2013-04-29 11:56 小胡子 阅读(331) 评论(0)  编辑  收藏 所属分类: Ext
先上图

grid分页：
     把grid和page工具绑定在一起

    // create the Data Store
    var store = new Ext.data.Store({
        url:'termSearch.action',
        storeId:'searchResult',

        reader: new Ext.data.JsonReader({
            totalProperty: 'totalrows',
            root: 'data',
            fields: [
                 {name: 'id', type:'int'},
                 'consumer',
                 'area', 
                 'termid',
                'name',
                'status',
                'udate'
            ]
        })
    });
   
  var sm = new Ext.grid.CheckboxSelectionModel();// 多选行   
    var cm = new Ext.grid.ColumnModel([
         new Ext.grid.RowNumberer(), 
         sm,
        {header:'序号',width:40,dataIndex:'id'},
        {header:'用户',width:50,dataIndex:'consumer'},
        {header:'地域',width:50,dataIndex:'area'},
        {header:'终端编号',dataIndex:'termid'},
        {header:'终端名称',dataIndex:'name'},
        {header:'终端状态',dataIndex:'status',renderer: statusColor},
        {header:'更新日期',dataIndex:'udate'}
    ]);

    // by default columns are sortable
    cm.defaultSortable = true;

    var grid = new Ext.grid.GridPanel({
        store: store,
        cm: cm,
        stripeRows: true,
        height:350,
        width:800,
        title:'',
        
        tbar: new Ext.PagingToolbar({
            pageSize: 10,
            width:'98%',
            store: store,
            displayInfo: true,
            displayMsg: '显示第 {0} 条到 {1} 条记录，共 {2} 条',
            emptyMsg: "无记录"
        })
    });


窗口布局：
   Ext2有很多布局，就是在layout包下，我这里用了TableLayout，TableLayout其实就是和一个HTML中的表格一样，可以作row和column的span

    var table = new Ext.Panel({
        layout:'table',
        defaults: {
            bodyStyle:'padding:1px'
        },
        layoutConfig: {
            columns: 4
        },
        items: [{
              width:165,
          layout: 'form',
          labelWidth:55,
          items: [{
              xtype:'textfield',
              fieldLabel: '终端编号',
              name: 'termId',
              id:'termId',
              anchor:'95%'
          }]
        },{
            width:165,
          layout: 'form',
          labelWidth:55,
          items: [{
              xtype:'textfield',
              fieldLabel: '终端名称',
              name: 'termName',
              id:'termName',
              anchor:'95%'
          }]
                
        },{
            width:165,
          layout: 'form',
          labelWidth:55,
          items: [{
              xtype:'textfield',
              fieldLabel: '刷新延时',
              name: 'timeLapse',
              id:'timeLapse',
              anchor:'95%',
              xtype:'combo',
                store: new Ext.data.Store({
                            proxy: new Ext.data.MemoryProxy([['0','0'],['5','5'],['10','10'],['15','15'],['20','20']]),
                            reader: new Ext.data.ArrayReader({}, [
                                {name: 'value',mapping: 0, type: 'int'},
                                {name: 'text',mapping: 1}
                            ]),
                            autoLoad:true
                        }) ,
       
                displayField:'text',
                valueField:'value',
                hiddenName:'timeLapseValue',
                typeAhead: true,
                triggerAction: 'all',
                forceSelection:true
          }],
          colspan:2
                
        },{
          width:165,
          layout: 'form',
          labelWidth:55,
          items: [{
              xtype:'textfield',
              fieldLabel: '用户',
              name: 'consumerId',
              anchor:'95%',
                id: 'consId',
              xtype:'combo',
              anchor:'95%',
                store: consumerStore,
                displayField:'text',
                valueField:'value',
                hiddenName:'consumerId',
                typeAhead: true,
                mode: 'local',
                triggerAction: 'all',
                forceSelection : true,
                emptyText:'Select a user',
                  allowBlank: false,
                selectOnFocus:true,
                forceSelection:true,
                listeners:{
                        select:{
                            fn:function(combo,record,index) { 
                                var store = getSelectStore("55",record.get('value'));
                                
                                Ext.getCmp('areaId').clearValue();
                                Ext.getCmp('areaId').store = store;
                                if(Ext.getCmp('areaId').view){
                                    Ext.getCmp('areaId').view.setStore(store);
                                }
                                Ext.getCmp('areaId').enable();
                                
                            }
                        }
                }
          }]
        },{
           width:165,
           layout: 'form',
           labelWidth:55,
           items: [{
               xtype:'textfield',
               fieldLabel: '地域',
               name: 'consumerArea',
               id:'areaId',
               anchor:'95%',
              xtype:'combo',
                store: new Ext.data.Store(),
                displayField:'text',
                valueField:'value',
                hiddenName:'consumerAreaId',
                typeAhead: true,
                mode: 'local',
                triggerAction: 'all',
                forceSelection : true,
                emptyText:'Select a area',
                  allowBlank: false,
                selectOnFocus:true,
                forceSelection:true,
                disabled:true
           }]
        },{
          width:165,
          layout: 'form',
          labelWidth:55,
          items: [{
              xtype:'textfield',
              fieldLabel: '终端状态',
              name: 'termStatus',
              id:'termStatus',
              anchor:'95%',
              xtype:'combo',
                store: termStatusStore,
                displayField:'text',
                valueField:'value',
                hiddenName:'termStatusId',
                typeAhead: true,
                triggerAction: 'all',
                forceSelection:true,
                editable:false,
                mode: 'local'
          }]
        
        },{
          layout: 'form',
          labelWidth:55,
          items: [{
                name: 'Save',
                id: 'Save',
                text: '查询',
              xtype:'button'
          }]
        }]
    });


下拉框级联：
     下拉框级联的思路其实很简单，就是在第一个的select事件中刷新跌入下拉框的store。这里问题主要在如何给第二个下拉框的store赋值，我这里 是用了一个方法获得一个新的store，然后赋值的。不仅要各combo赋值，还要给combo.view赋值。一开始就卡在这里了，物理如何我给 combo赋值后，下拉框中的值总是不能够及时刷新。给combo.view赋值是需要使用combo.view.setStore(store)这个方 法，而不能直接赋值。在赋值的时候需要检查combo.view 是否存在。

                                var store = getSelectStore("55",record.get('value'));
                                
                                Ext.getCmp('areaId').clearValue();
                                Ext.getCmp('areaId').store = store;
                                if(Ext.getCmp('areaId').view){
                                    Ext.getCmp('areaId').view.setStore(store);
                                }
                                Ext.getCmp('areaId').enable();


 

完整源代码如下
/*
 * Ext JS Library 2.0.2
 * Copyright(c) 2006-2008, Ext JS, LLC.
 * licensing@extjs.com
 * 
 * http://extjs.com/license
 */

Ext.onReady(function(){

//    Ext.state.Manager.setProvider(new Ext.state.CookieProvider());


    // example of custom renderer function
    function statusColor(val){
        if(val == '在线'){
            return '<span style="color:green;">' + val + '</span>';
        }else if(val == '会议中'){
            return '<span style="color:red;">' + val + '</span>';
        }
        return val;
    }

    // create the Data Store
    var store = new Ext.data.Store({
        // this page, an HttpProxy would be better
//     proxy: new Ext.data.MemoryProxy(data),
//        proxy: new Ext.data.HttpProxy({
//            url: 'termSearch.action'
////           url:'../../temp/data.txt'
//        }),
        url:'termSearch.action',
        storeId:'searchResult',

        // create reader that reads the Topic records
        reader: new Ext.data.JsonReader({
            totalProperty: 'totalrows',
            root: 'data',
//            id: 'id',
            fields: [
              {name: 'id', type:'int'},
              'consumer',
              'area', 
              'termid',
                'name',
                'status',
                'udate'
//                {name: 'udate', mapping: 'udate', type: 'date', dateFormat: 'Y-m-d'}
            ]
        })
// ,

        // turn on remote sorting
//        remoteSort: true
    });
   
   var sm = new Ext.grid.CheckboxSelectionModel();// 多选行   
 var cm = new Ext.grid.ColumnModel([
   new Ext.grid.RowNumberer(), 
   sm,
     {header:'序号',width:40,dataIndex:'id'},
     {header:'用户',width:50,dataIndex:'consumer'},
     {header:'地域',width:50,dataIndex:'area'},
     {header:'终端编号',dataIndex:'termid'},
     {header:'终端名称',dataIndex:'name'},
     {header:'终端状态',dataIndex:'status',renderer: statusColor},
     {header:'更新日期',dataIndex:'udate'}
    ]);
//  cm.defaultSortable = true;


    // by default columns are sortable
    cm.defaultSortable = true;

    var grid = new Ext.grid.GridPanel({
        store: store,
        cm: cm,
        stripeRows: true,
        height:350,
        width:800,
        title:'',
        
        tbar: new Ext.PagingToolbar({
            pageSize: 10,
            width:'98%',
            store: store,
//            paramNames:{rowStart: 'start', rowLimit: 'limit'},
            displayInfo: true,
            displayMsg: '显示第 {0} 条到 {1} 条记录，共 {2} 条',
            emptyMsg: "无记录"
        })
    });


        
//    grid.render('div-grid');

//    grid.getSelectionModel().selectFirstRow();
    
    var consumerStore = getSelectStore("54");
    var termTypeStore = getSelectStore("53");
    var termStatusStore = getSelectStore("51");

         
//    new Ext.data.SimpleStore({
//                  fields: ['text'],
//                  data : [['0','0'],['5','5'],['10','10'],['15','15'],['20','20']],
//                  fields:[{name: 'value', mapping: 0},{name:'text',mapping:1}],
//                  autoLoad:true
//              })
    
    var table = new Ext.Panel({
     layout:'table',
     defaults: {
         bodyStyle:'padding:1px'
     },
     layoutConfig: {
         columns: 4
     },
     items: [{
     width:165,
          layout: 'form',
          labelWidth:55,
          items: [{
              xtype:'textfield',
              fieldLabel: '终端编号',
              name: 'termId',
              id:'termId',
              anchor:'95%'
          }]
     },{
   width:165,
          layout: 'form',
          labelWidth:55,
          items: [{
              xtype:'textfield',
              fieldLabel: '终端名称',
              name: 'termName',
              id:'termName',
              anchor:'95%'
          }]
                
     },{
   width:165,
          layout: 'form',
          labelWidth:55,
          items: [{
              xtype:'textfield',
              fieldLabel: '刷新延时',
              name: 'timeLapse',
              id:'timeLapse',
              anchor:'95%',
              xtype:'combo',
          store: new Ext.data.Store({
          proxy: new Ext.data.MemoryProxy([['0','0'],['5','5'],['10','10'],['15','15'],['20','20']]),
          reader: new Ext.data.ArrayReader({}, [
              {name: 'value',mapping: 0, type: 'int'},
              {name: 'text',mapping: 1}
          ]),
          autoLoad:true
      }) ,
       
          displayField:'text',
          valueField:'value',
          hiddenName:'timeLapseValue',
          typeAhead: true,
          triggerAction: 'all',
          forceSelection:true
          }],
          colspan:2
                
     },{
       width:165,
          layout: 'form',
          labelWidth:55,
          items: [{
              xtype:'textfield',
              fieldLabel: '用户',
              name: 'consumerId',
              anchor:'95%',
          id: 'consId',
              xtype:'combo',
              anchor:'95%',
          store: consumerStore,
          displayField:'text',
          valueField:'value',
          hiddenName:'consumerId',
          typeAhead: true,
          mode: 'local',
          triggerAction: 'all',
          forceSelection : true,
          emptyText:'Select a user',
            allowBlank: false,
          selectOnFocus:true,
          forceSelection:true,
          listeners:{
      select:{
       fn:function(combo,record,index) { 
//        Ext.Msg.alert('','xxxxxxx'); 
        var store = getSelectStore("55",record.get('value'));
        
//        Ext.Msg.alert(''+store.getCount(),'xxxxxxxxx='+store.getTotalCount());
        
        
        Ext.getCmp('areaId').clearValue();
        Ext.getCmp('areaId').store = store;
        if(Ext.getCmp('areaId').view){
         Ext.getCmp('areaId').view.setStore(store);
//         Ext.getCmp('areaId').view.refresh();
         
        }
        Ext.getCmp('areaId').enable();
        
       }
      }
          }
          }]
     },{
        width:165,
        layout: 'form',
        labelWidth:55,
        items: [{
            xtype:'textfield',
            fieldLabel: '地域',
            name: 'consumerArea',
            id:'areaId',
            anchor:'95%',
              xtype:'combo',
          store: new Ext.data.Store(),
          displayField:'text',
          valueField:'value',
          hiddenName:'consumerAreaId',
          typeAhead: true,
          mode: 'local',
          triggerAction: 'all',
          forceSelection : true,
          emptyText:'Select a area',
            allowBlank: false,
          selectOnFocus:true,
          forceSelection:true,
          disabled:true
        }]
     },{
          width:165,
          layout: 'form',
          labelWidth:55,
          items: [{
              xtype:'textfield',
              fieldLabel: '终端状态',
              name: 'termStatus',
              id:'termStatus',
              anchor:'95%',
              xtype:'combo',
          store: termStatusStore,
          displayField:'text',
          valueField:'value',
          hiddenName:'termStatusId',
          typeAhead: true,
          triggerAction: 'all',
          forceSelection:true,
          editable:false,
          mode: 'local'
          }]
        
     },
//     {
//          width:165,
//          layout: 'form',
//          labelWidth:55,
//          items: [{
//              xtype:'textfield',
//              fieldLabel: '终端类型',
//              name: 'termType',
//              id:'termType',
//              anchor:'95%',
//              xtype:'combo',
//          store: termTypeStore,
//          displayField:'text',
//          valueField:'value',
//          hiddenName:'termTypeId',
//          typeAhead: true,
//          triggerAction: 'all',
//          forceSelection:true,
//          editable:false,
//          mode: 'local'
//          }]
//        
//     },
     {
          layout: 'form',
          labelWidth:55,
          items: [{
          name: 'Save',
          id: 'Save',
          text: '查询',
              xtype:'button'
          }]
     }]
 });
//    table.render('div-grid');
    var fp = new Ext.FormPanel({
//        labelAlign: 'top',
        frame:true,
        title: '.',
        bodyStyle:'padding:5px 5px 0',
        width: 800
        
    });
    
    fp.add(table);
  fp.add(grid);
    fp.render("div-form");   
     //增加基本参数
   store.on('beforeload', function(store) { 
     var para = {termId:'',termName:'',consumerId:'',areaId:'',termTypeId:'',tstatus:''};
     para.termId = Ext.get('termId').getValue();
     para.termName = Ext.get('termName').getValue();
     para.consumerId = Ext.get('consumerId').getValue();
     para.areaId = Ext.get('consumerAreaId').getValue();
     para.tstatus = Ext.get('termStatusId').getValue();
     
       Ext.apply(store.baseParams,para);   
  }); 
    store.load({params:{start:0, limit:10}});

    
    Ext.get("Save").on('click', function(){
     store.load({params:{start:0, limit:10}});
      
        });
});

function getSelectStore(selectId,pid){
 if(!pid) pid = '';
 var store = new Ext.data.Store({    
     proxy: new Ext.data.HttpProxy({   
         method: 'GET',   
         url: '../webapp-cfg/getSelectOption.action?selectId='+selectId+'&pvalue='+pid+'&random='+Math.random()
     }),   
     reader: new Ext.data.ArrayReader(
      {id: "value"}, 
      [
        {name: 'value', mapping: 'value'},
        {name: 'text',mapping:'text'}
      ]),
     autoLoad:true
     
 });
 

 store.load();
 store.on('load', function( s, records, options )  { 
  
  var rs = new Array(1);
  var all = new Ext.data.Record([{name: 'value', mapping: 'value'},
        {name: 'text',mapping:'text'}]);
  all.set('value','');
  all.set('text','全部');
  rs[0] = all;

  s.insert(0,rs);
  
 });



http://www.blogjava.net/winderain/articles/200573.html

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