Ext 实现grid之间的拖放（D&D between 2 grids） 【转】
Ext 提供了丰富的界面效果，其一便是拖动。我试着实现两个grid间的拖动。效果不错。
原理很简单，就是两个gird都设置支持拖拽的属性： enableDragDrop: true, dropConfig: { appendOnly:true }, ddGroup: "GridDD2"
然后 new Ext.dd.DropTarget ，在其notifyDrop里面写拖动的处理函数。
话不多说，上代码！
HTML:
<html>
<head>
<title>dd 2 grids</title>
<link rel="stylesheet" type="text/css" href="ext-2.0.2/resources/css/ext-all.css" />
<script type="text/javascript" src="ext-2.0.2/adapter/ext/ext-base.js"></script>
<script type="text/javascript" src="ext-2.0.2/ext-all-debug.js"></script>
<script type="text/javascript" src="mydd2grids.js"></script>
</head>
<body>
<div id="grid1-example"></div>
<div id="grid2-example"></div>
</body>
</html>
<head>
<title>dd 2 grids</title>
<link rel="stylesheet" type="text/css" href="ext-2.0.2/resources/css/ext-all.css" />
<script type="text/javascript" src="ext-2.0.2/adapter/ext/ext-base.js"></script>
<script type="text/javascript" src="ext-2.0.2/ext-all-debug.js"></script>
<script type="text/javascript" src="mydd2grids.js"></script>
</head>
<body>
<div id="grid1-example"></div>
<div id="grid2-example"></div>
</body>
</html>
JAVASCRIPT(mydd2grids.js):
/*
* by Patrickchen 2008
*/
Ext.onReady(function(){
Ext.state.Manager.setProvider(new Ext.state.CookieProvider());
var myData = [
['3m Co',71.72,0.02,0.03,'9/1 12:00am'],
['Alcoa Inc',29.01,0.42,1.47,'9/1 12:00am'],
['Altria Group Inc',83.81,0.28,0.34,'9/1 12:00am'],
['American Express Company',52.55,0.01,0.02,'9/1 12:00am'],
['American International Group, Inc.',64.13,0.31,0.49,'9/1 12:00am'],
['AT&T Inc.',31.61,-0.48,-1.54,'9/1 12:00am'],
['Boeing Co.',75.43,0.53,0.71,'9/1 12:00am'],
['Caterpillar Inc.',67.27,0.92,1.39,'9/1 12:00am'],
['Citigroup, Inc.',49.37,0.02,0.04,'9/1 12:00am'],
['E.I. du Pont de Nemours and Company',40.48,0.51,1.28,'9/1 12:00am'],
['Exxon Mobil Corp',68.1,-0.43,-0.64,'9/1 12:00am'],
['General Electric Company',34.14,-0.08,-0.23,'9/1 12:00am'],
['General Motors Corporation',30.27,1.09,3.74,'9/1 12:00am'],
['Hewlett-Packard Co.',36.53,-0.03,-0.08,'9/1 12:00am'],
['Honeywell Intl Inc',38.77,0.05,0.13,'9/1 12:00am'],
['Intel Corporation',19.88,0.31,1.58,'9/1 12:00am'],
['International Business Machines',81.41,0.44,0.54,'9/1 12:00am'],
['Johnson & Johnson',64.72,0.06,0.09,'9/1 12:00am']
];
// example of custom renderer function
function change(val){
if(val > 0){
return '<span style="color:green;">' + val + '</span>';
}else if(val < 0){
return '<span style="color:red;">' + val + '</span>';
}
return val;
}
// example of custom renderer function
function pctChange(val){
if(val > 0){
return '<span style="color:green;">' + val + '%</span>';
}else if(val < 0){
return '<span style="color:red;">' + val + '%</span>';
}
return val;
}
// create the data store
var store = new Ext.data.SimpleStore({
fields: [
{name: 'company'},
{name: 'price', type: 'float'},
{name: 'change', type: 'float'},
{name: 'pctChange', type: 'float'},
{name: 'lastChange', type: 'date', dateFormat: 'n/j h:ia'}
]
});
store.loadData(myData);
// create the Grid
var grid1 = new Ext.grid.GridPanel({
store: store,
columns: [
{id:'company',header: "Company", width: 160, sortable: true, dataIndex: 'company'},
{header: "Price", width: 75, sortable: true, renderer: 'usMoney', dataIndex: 'price'},
{header: "Change", width: 75, sortable: true, renderer: change, dataIndex: 'change'},
{header: "% Change", width: 75, sortable: true, renderer: pctChange, dataIndex: 'pctChange'},
{header: "Last Updated", width: 85, sortable: true, renderer: Ext.util.Format.dateRenderer('m/d/Y'), dataIndex: 'lastChange'}
],
stripeRows: true,
autoExpandColumn: 'company',
height:350,
width:600,
title:'Array Grid1',
//most important as follow
enableDragDrop: true,
dropConfig: {
appendOnly:true
},
ddGroup: "GridDD"
});
grid1.render('grid1-example');
//grid2 -----
var myData2 = [
['JP Morgan & Chase & Co',45.73,0.07,0.15,'9/1 12:00am'],
['McDonald\'s Corporation',36.76,0.86,2.40,'9/1 12:00am'],
['Merck & Co., Inc.',40.96,0.41,1.01,'9/1 12:00am'],
['Microsoft Corporation',25.84,0.14,0.54,'9/1 12:00am'],
['Pfizer Inc',27.96,0.4,1.45,'9/1 12:00am'],
['The Coca-Cola Company',45.07,0.26,0.58,'9/1 12:00am'],
['The Home Depot, Inc.',34.64,0.35,1.02,'9/1 12:00am'],
['The Procter & Gamble Company',61.91,0.01,0.02,'9/1 12:00am'],
['United Technologies Corporation',63.26,0.55,0.88,'9/1 12:00am'],
['Verizon Communications',35.57,0.39,1.11,'9/1 12:00am'],
['Wal-Mart Stores, Inc.',45.45,0.73,1.63,'9/1 12:00am']
];
var store2 = new Ext.data.SimpleStore({
fields: [
{name: 'company'},
{name: 'price', type: 'float'},
{name: 'change', type: 'float'},
{name: 'pctChange', type: 'float'},
{name: 'lastChange', type: 'date', dateFormat: 'n/j h:ia'}
]
});
store2.loadData(myData2);
var grid2 = new Ext.grid.GridPanel({
store: store2,
columns: [
{id:'company',header: "Company", width: 160, sortable: true, dataIndex: 'company'},
{header: "Price", width: 75, sortable: true, renderer: 'usMoney', dataIndex: 'price'},
{header: "Change", width: 75, sortable: true, renderer: change, dataIndex: 'change'},
{header: "% Change", width: 75, sortable: true, renderer: pctChange, dataIndex: 'pctChange'},
{header: "Last Updated", width: 85, sortable: true, renderer: Ext.util.Format.dateRenderer('m/d/Y'), dataIndex: 'lastChange'}
],
stripeRows: true,
autoExpandColumn: 'company',
height:350,
width:600,
title:'Array Grid2',
//most important as follow
enableDragDrop: true,
dropConfig: {
appendOnly:true
},
ddGroup: "GridDD2"
});
grid2.render('grid2-example');
//grid1->grid2
//this is a grid DragDrop
var ddrow = new Ext.dd.DropTarget(grid2.getEl(), {
ddGroup: "GridDD", // Data come from
// copy:true,
notifyDrop : function(dd, e, data){
var rows=grid1.getSelectionModel().getSelections();
var count = rows.length;
var cindex=dd.getDragData(e).rowIndex;
var array=[];
for(var i=0;i<count;i++){
var index = cindex+i;
array.push(index);
}
store2.insert(cindex,data.selections); //在grid2中新增拖动列
grid2.getView().refresh();
grid2.getSelectionModel().selectRows(array); //选中拖动过来的列
}
});
* by Patrickchen 2008
*/
Ext.onReady(function(){
Ext.state.Manager.setProvider(new Ext.state.CookieProvider());
var myData = [
['3m Co',71.72,0.02,0.03,'9/1 12:00am'],
['Alcoa Inc',29.01,0.42,1.47,'9/1 12:00am'],
['Altria Group Inc',83.81,0.28,0.34,'9/1 12:00am'],
['American Express Company',52.55,0.01,0.02,'9/1 12:00am'],
['American International Group, Inc.',64.13,0.31,0.49,'9/1 12:00am'],
['AT&T Inc.',31.61,-0.48,-1.54,'9/1 12:00am'],
['Boeing Co.',75.43,0.53,0.71,'9/1 12:00am'],
['Caterpillar Inc.',67.27,0.92,1.39,'9/1 12:00am'],
['Citigroup, Inc.',49.37,0.02,0.04,'9/1 12:00am'],
['E.I. du Pont de Nemours and Company',40.48,0.51,1.28,'9/1 12:00am'],
['Exxon Mobil Corp',68.1,-0.43,-0.64,'9/1 12:00am'],
['General Electric Company',34.14,-0.08,-0.23,'9/1 12:00am'],
['General Motors Corporation',30.27,1.09,3.74,'9/1 12:00am'],
['Hewlett-Packard Co.',36.53,-0.03,-0.08,'9/1 12:00am'],
['Honeywell Intl Inc',38.77,0.05,0.13,'9/1 12:00am'],
['Intel Corporation',19.88,0.31,1.58,'9/1 12:00am'],
['International Business Machines',81.41,0.44,0.54,'9/1 12:00am'],
['Johnson & Johnson',64.72,0.06,0.09,'9/1 12:00am']
];
// example of custom renderer function
function change(val){
if(val > 0){
return '<span style="color:green;">' + val + '</span>';
}else if(val < 0){
return '<span style="color:red;">' + val + '</span>';
}
return val;
}
// example of custom renderer function
function pctChange(val){
if(val > 0){
return '<span style="color:green;">' + val + '%</span>';
}else if(val < 0){
return '<span style="color:red;">' + val + '%</span>';
}
return val;
}
// create the data store
var store = new Ext.data.SimpleStore({
fields: [
{name: 'company'},
{name: 'price', type: 'float'},
{name: 'change', type: 'float'},
{name: 'pctChange', type: 'float'},
{name: 'lastChange', type: 'date', dateFormat: 'n/j h:ia'}
]
});
store.loadData(myData);
// create the Grid
var grid1 = new Ext.grid.GridPanel({
store: store,
columns: [
{id:'company',header: "Company", width: 160, sortable: true, dataIndex: 'company'},
{header: "Price", width: 75, sortable: true, renderer: 'usMoney', dataIndex: 'price'},
{header: "Change", width: 75, sortable: true, renderer: change, dataIndex: 'change'},
{header: "% Change", width: 75, sortable: true, renderer: pctChange, dataIndex: 'pctChange'},
{header: "Last Updated", width: 85, sortable: true, renderer: Ext.util.Format.dateRenderer('m/d/Y'), dataIndex: 'lastChange'}
],
stripeRows: true,
autoExpandColumn: 'company',
height:350,
width:600,
title:'Array Grid1',
//most important as follow
enableDragDrop: true,
dropConfig: {
appendOnly:true
},
ddGroup: "GridDD"
});
grid1.render('grid1-example');
//grid2 -----
var myData2 = [
['JP Morgan & Chase & Co',45.73,0.07,0.15,'9/1 12:00am'],
['McDonald\'s Corporation',36.76,0.86,2.40,'9/1 12:00am'],
['Merck & Co., Inc.',40.96,0.41,1.01,'9/1 12:00am'],
['Microsoft Corporation',25.84,0.14,0.54,'9/1 12:00am'],
['Pfizer Inc',27.96,0.4,1.45,'9/1 12:00am'],
['The Coca-Cola Company',45.07,0.26,0.58,'9/1 12:00am'],
['The Home Depot, Inc.',34.64,0.35,1.02,'9/1 12:00am'],
['The Procter & Gamble Company',61.91,0.01,0.02,'9/1 12:00am'],
['United Technologies Corporation',63.26,0.55,0.88,'9/1 12:00am'],
['Verizon Communications',35.57,0.39,1.11,'9/1 12:00am'],
['Wal-Mart Stores, Inc.',45.45,0.73,1.63,'9/1 12:00am']
];
var store2 = new Ext.data.SimpleStore({
fields: [
{name: 'company'},
{name: 'price', type: 'float'},
{name: 'change', type: 'float'},
{name: 'pctChange', type: 'float'},
{name: 'lastChange', type: 'date', dateFormat: 'n/j h:ia'}
]
});
store2.loadData(myData2);
var grid2 = new Ext.grid.GridPanel({
store: store2,
columns: [
{id:'company',header: "Company", width: 160, sortable: true, dataIndex: 'company'},
{header: "Price", width: 75, sortable: true, renderer: 'usMoney', dataIndex: 'price'},
{header: "Change", width: 75, sortable: true, renderer: change, dataIndex: 'change'},
{header: "% Change", width: 75, sortable: true, renderer: pctChange, dataIndex: 'pctChange'},
{header: "Last Updated", width: 85, sortable: true, renderer: Ext.util.Format.dateRenderer('m/d/Y'), dataIndex: 'lastChange'}
],
stripeRows: true,
autoExpandColumn: 'company',
height:350,
width:600,
title:'Array Grid2',
//most important as follow
enableDragDrop: true,
dropConfig: {
appendOnly:true
},
ddGroup: "GridDD2"
});
grid2.render('grid2-example');
//grid1->grid2
//this is a grid DragDrop
var ddrow = new Ext.dd.DropTarget(grid2.getEl(), {
ddGroup: "GridDD", // Data come from
// copy:true,
notifyDrop : function(dd, e, data){
var rows=grid1.getSelectionModel().getSelections();
var count = rows.length;
var cindex=dd.getDragData(e).rowIndex;
var array=[];
for(var i=0;i<count;i++){
var index = cindex+i;
array.push(index);
}
store2.insert(cindex,data.selections); //在grid2中新增拖动列
grid2.getView().refresh();
grid2.getSelectionModel().selectRows(array); //选中拖动过来的列
}
});
原文地址：http://www.cnblogs.com/patrickchen/archive/2008/10/29/1322025.html
