SlickGrid example 2: 按想要的风格展示列

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可编辑单元支持一列展示多个属性域，可以为编辑单元提供验证，并且自定义验证事件。

代码：

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01Transitional//EN""http://www.w3.org/TR/html4/loose.dtd">

<html>

<head>

<title>SlickGrid example 3a:Advanced Editing</title>

href="../css/smoothness/jquery-ui-1.8.16.custom.css"type="text/css" />

<style>

.cell-title {

font-weight: bold;

}

</style>

</head>

<body>

</div>

<divclass="options-panel">

<h2>Demonstrates:</h2>

<ul>

<li>compound cell editorsdriving multiple fields from onecell</li>

<li>providing validation fromthe editor</li>

<li>hooking into validationevents</li>

</ul>

</div>

<scriptsrc="../js/firebugx.js"></script>

<scriptsrc="../js/jquery-1.7.min.js"></script>

<scriptsrc="../js/jquery-ui-1.8.16.custom.min.js"></script>

<scriptsrc="../js/jquery.event.drag-2.0.min.js"></script>

<scriptsrc="../js/slick.core.js"></script>

<scriptsrc="../js/slick.editors.js"></script>

<scriptsrc="../js/slick.grid.js"></script>

<scripttype="text/javascript">

var grid;//定义表格

//定义表格数据变量

var data = [];

//设置列显示样式

var columns = [ {

id : "title",

name : "Title",

field : "title",

width : 120,

cssClass : "cell-title",

editor : Slick.Editors.Text

}, {//可管理多个属性域

id : "range",

name : "Range",

width : 120,

formatter : NumericRangeFormatter, //自定义显示风格格式化方法

editor : NumericRangeEditor //编辑方法

} ];

//设置表格参数

var options = {

editable : true,

enableAddRow : false,

enableCellNavigation : true,

asyncEditorLoading : false

};

//一列中显示多个属性域

function NumericRangeFormatter(row, cell, value, columnDef,dataContext) {

return dataContext.from + " - " + dataContext.to;

}

//编辑处理

function NumericRangeEditor(args) {

var $from, $to;

var scope = this;

this.init = function() {

$from = $("<INPUT type=text style='width:40px'/>").appendTo(

args.container).bind("keydown", scope.handleKeyDown);

$(args.container).append("  to ");

$to = $("<INPUT type=text style='width:40px'/>").appendTo(

args.container).bind("keydown", scope.handleKeyDown);

scope.focus();

};

this.handleKeyDown = function(e) {

if (e.keyCode == $.ui.keyCode.LEFT

|| e.keyCode == $.ui.keyCode.RIGHT

|| e.keyCode == $.ui.keyCode.TAB) {

e.stopImmediatePropagation();

}

};

this.destroy = function() {

$(args.container).empty();

};

this.focus = function() {

$from.focus();

};

this.serializeValue = function() {

return {

from : parseInt($from.val(), 10),

to : parseInt($to.val(), 10)

};

this.applyValue = function(item, state) {

item.from = state.from;

item.to = state.to;

};

this.loadValue = function(item) {

$from.val(item.from);

$to.val(item.to);

};

this.isValueChanged = function() {

return args.item.from != parseInt($from.val(), 10)

|| args.item.to != parseInt($from.val(), 10);

};

//可定义验证编辑单元数据

this.validate = function() {

if (isNaN(parseInt($from.val(), 10))

|| isNaN(parseInt($to.val(), 10))) {

return {

valid : false,

msg : "Please type in valid numbers."

};

}

if (parseInt($from.val(), 10) >parseInt($to.val(), 10)) {

return {

valid : false,

msg : "'from' cannot be greater than 'to'"

};

}

return {

valid : true,

msg : null

};

this.init();

}

$(function() {// 生成表格数据

for ( var i = 0; i < 100; i++) {

var d = (data[i] = {});

d["title"] = "Task " + i;

d["from"] = Math.round(Math.random() * 100);

d["to"] = d["from"] + Math.round(Math.random() * 100);

}

//渲染表格

grid = new Slick.Grid("#myGrid", data, columns,options);

grid.onValidationError.subscribe(function(e, args) {

alert(args.validationResults.msg);

});

})

</script>

</body>

</html>