支持Form颜色选择组件、日期时间选择组件、带图标的下拉列表、多选下来列表、动态下拉列表树等组件
开发环境：
System：Windows
WebBrowser：IE6+、Firefox3+
JavaEE Server：tomcat5.0.2.8、tomcat6
IDE：eclipse、MyEclipse 8
开发依赖库：
JavaEE5、ext 2.2.2
Email：hoojo_@126.com
Blog：http://blog.csdn.net/IBM_hoojo
一、ColoFieldr组件
可以选择一些常用的颜色
![ExtJS Form扩展组件[ColorFiled, DateTimeFiled, IconCombo, MultiComboBox, DynamicTreeCombox]](http://images.cnblogs.com/cnblogs_com/hoojo/201202/201202271405472411.png "ExtJS Form扩展组件[ColorFiled, DateTimeFiled, IconCombo, MultiComboBox, DynamicTreeCombox]")
需要用到的文件
ColorField组件文件：Ext.form.ColorField.js
ColorField运行示例文件：Ext.hoo.for.ColorField.js
代码如下
Color.html
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>form Component -- DateTimeField</title>
<meta http-equiv="pragma" content="no-cache"/>
<meta http-equiv="cache-control" content="no-cache"/>
<meta http-equiv="expires" content="0"/>
<meta http-equiv="content-Type" content="text/html; charset=utf-8"/>
<meta http-equiv="author" content="hoojo"/>
<meta http-equiv="email" content="hoojo_@126.com"/>
<meta http-equiv="ext-lib" content="version 2.2"/>
<meta http-equiv="blog" content="http://blog.csdn.net/IBM_hoojo"/>
<link rel="stylesheet" type="text/css" href="../ext2/resources/css/ext-all.css"/>
<script type="text/javascript" src="../ext2/adapter/ext/ext-base.js"></script>
<script type="text/javascript" src="../ext2/ext-all.js"></script>
<script type="text/javascript" src="../ext2/build/locale/ext-lang-zh_CN-min.js"></script>
<script type="text/javascript" src="Ext.form.ColorField.js"></script>
<script type="text/javascript" src="Ext.hoo.for.ColorField.js"></script>
</head>
<body>
<div id="show" style="float: left; margin: 100px 0 0 100px;"></div>
</body>
</html>
Ext.form.ColorField.js
/**
* @class Ext.form.ColorField
* @extends Ext.form.TriggerField
* Provides a very simple color form field with a ColorMenu dropdown.
* Values are stored as a six-character hex value without the '#'.
* I.e. 'ffffff'
* @constructor
* Create a new ColorField
* <br />Example:
* <pre><code>
var cf = new Ext.form.ColorField({
fieldLabel: 'Color',
hiddenName:'pref_sales',
showHexValue:true
});
</code></pre>
* @param {Object} config
*/
Ext.form.ColorField = function(config){
Ext.form.ColorField.superclass.constructor.call(this, config);
//this.on('render', this.handleRender);
};
Ext.extend(Ext.form.ColorField, Ext.form.TriggerField, {
/**
* @cfg {Boolean} showHexValue
* True to display the HTML Hexidecimal Color Value in the field
* so it is manually editable.
*/
showHexValue : false,
/**
* @cfg {String} triggerClass
* An additional CSS class used to style the trigger button. The trigger will always get the
* class 'x-form-trigger' and triggerClass will be <b>appended</b> if specified (defaults to 'x-form-color-trigger'
* which displays a calendar icon).
*/
triggerClass : 'x-form-color-trigger',
/**
* @cfg {String/Object} autoCreate
* A DomHelper element spec, or true for a default element spec (defaults to
* {tag: "input", type: "text", size: "10", autocomplete: "off"})
*/
// private
defaultAutoCreate : {tag: "input", type: "text", size: "10",
autocomplete: "off", maxlength:"6"},
/**
* @cfg {String} lengthText
* A string to be displayed when the length of the input field is
* not 3 or 6, i.e. 'fff' or 'ffccff'.
*/
lengthText: "Color hex values must be either 3 or 6 characters.",
//text to use if blank and allowBlank is false
blankText: "Must have a hexidecimal value in the format ABCDEF.",
/**
* @cfg {String} color
* A string hex value to be used as the default color. Defaults
* to 'FFFFFF' (white).
*/
defaultColor: 'FFFFFF',
maskRe: /[a-f0-9]/i,
// These regexes limit input and validation to hex values
regex: /[a-f0-9]/i,
//private
curColor: 'ffffff',
initComponent:function(){
Ext.form.ColorField.superclass.initComponent.call(this);
this.addEvents('click','change', 'select');
},
onChange: function (field, newVal, oldVal) {
alert(newVal);
},
onRender : function(ct, position){
Ext.form.ColorField.superclass.onRender.call(this, ct, position);
this.handleRender();
},
// private
validateValue : function(value){
if(!this.showHexValue) {
return true;
}
if(value.length<1) {
this.el.setStyle({
'background-color':'#' + this.defaultColor
});
if(!this.allowBlank) {
this.markInvalid(String.format(this.blankText, value));
return false
}
return true;
}
if(value.length!=3 && value.length!=6 ) {
this.markInvalid(String.format(this.lengthText, value));
return false;
}
this.setColor(value);
return true;
},
// private
validateBlur : function(){
return !this.menu || !this.menu.isVisible();
},
// Manually apply the invalid line image since the background
// was previously cleared so the color would show through.
markInvalid : function( msg ) {
Ext.form.ColorField.superclass.markInvalid.call(this, msg);
this.el.setStyle({
'background-image': 'url(../lib/resources/images/default/grid/invalid_line.gif)'
});
},
/**
* Returns the current color value of the color field
* @return {String} value The hexidecimal color value
*/
getValue : function(){
return this.curValue || this.defaultValue || "FFFFFF";
},
/**
* Sets the value of the color field. Format as hex value 'FFFFFF'
* without the '#'.
* @param {String} hex The color value
*/
setValue : function(hex){
Ext.form.ColorField.superclass.setValue.call(this, hex);
this.setColor(hex);
},
/**
* Sets the current color and changes the background.
* Does *not* change the value of the field.
* @param {String} hex The color value.
*/
setColor : function(hex) {
this.curColor = hex;
this.el.setStyle( {
'background-color': '#' + hex,
'background-image': 'none'
});
if(!this.showHexValue) {
this.el.setStyle({
'text-indent': '-100px'
});
if(Ext.isIE) {
this.el.setStyle({
'margin-left': '100px'
});
}
}
},
handleRender: function() {
this.setDefaultColor();
},
setDefaultColor : function() {
this.setValue(this.defaultColor);
},
// private
menuListeners : {
select: function(m, d){
this.setValue(d);
},
show : function(){ // retain focus styling
this.onFocus();
},
hide : function(){
this.focus();
var ml = this.menuListeners;
this.menu.un("select", ml.select, this);
this.menu.un("show", ml.show, this);
this.menu.un("hide", ml.hide, this);
}
},
//private
handleSelect : function(palette, selColor) {
this.setValue(selColor);
this.fireEvent("click", this, selColor);
this.fireEvent("change", this, selColor);
this.fireEvent("select", this, selColor);
},
// private
// Implements the default empty TriggerField.onTriggerClick function to display the ColorPicker
onTriggerClick : function(){
if(this.disabled){
return;
}
if(this.menu == null){
this.menu = new Ext.menu.ColorMenu();
this.menu.palette.on('select', this.handleSelect, this );
}
this.menu.on(Ext.apply({}, this.menuListeners, {
scope:this
}));
this.menu.show(this.el, "tl-bl?");
}
});
Ext.hoo.for.ColorField.js
/**
* @function 颜色选择器
* @auhor: hoojo
* @createDate: Sep 11, 2010 10:35:15 PM
* @blog: blog.csdn.net/IBM_hoojo
* @email: hoojo_@126.com
* @class Ext.hoo.form.ColorField
* @extends Ext.form.ColorField
*/
Ext.ns("Ext.hoo.form");
Ext.hoo.form.ColorField = Ext.extend(Ext.form.ColorField, {
constructor: function () {
Ext.hoo.form.ColorField.superclass.constructor.call(this, {
//fieldLabel: "plase selected",
renderTo: "show",
width: 160,
defaultColor: "00FF00",
curColor: "00FF00",
showHexValue: true,
listeners: {
"select": function (f, v) {
alert(this.getValue() + "##" + v);
}
}
});
}
});
Ext.onReady(function () {
Ext.BLANK_IMAGE_URL = "../ext2/resources/images/default/s.gif";
Ext.QuickTips.init();
Ext.form.Field.prototype.msgTarget = "qtip";
new Ext.hoo.form.ColorField();
});
二、日期时间选择控件
可以选择日期、时间
![ExtJS Form扩展组件[ColorFiled, DateTimeFiled, IconCombo, MultiComboBox, DynamicTreeCombox]](http://images.cnblogs.com/cnblogs_com/hoojo/201202/201202271405491067.png "ExtJS Form扩展组件[ColorFiled, DateTimeFiled, IconCombo, MultiComboBox, DynamicTreeCombox]")
需要用到的文件
Spinner.js
Spinner.css
SpinnerField.js
日期时间组件：Ext.ux.form.DateTimeField.js
示例：Ext.hoo.form.DateTimeField.js
代码如下
dateTimeFieldExample.htm
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>form Component -- MultiComboBox</title>
<meta http-equiv="pragma" content="no-cache"/>
<meta http-equiv="cache-control" content="no-cache"/>
<meta http-equiv="expires" content="0"/>
<meta http-equiv="content-Type" content="text/html; charset=utf-8"/>
<meta http-equiv="author" content="hoojo"/>
<meta http-equiv="email" content="hoojo_@126.com"/>
<meta http-equiv="ext-lib" content="version 3.2"/>
<meta http-equiv="blog" content="http://blog.csdn.net/IBM_hoojo"/>
<link rel="stylesheet" type="text/css" href="../ext/resources/css/ext-all.css"/>
<link rel="stylesheet" type="text/css" href="../css/Spinner.css"/>
<script type="text/javascript" src="../ext/adapter/ext/ext-base.js"></script>
<script type="text/javascript" src="../ext/ext-all.js"></script>
<script type="text/javascript" src="../ext/build/locale/ext-lang-zh_CN-min.js"></script>
<script type="text/javascript" src="Spinner.js"></script>
<script type="text/javascript" src="SpinnerField.js"></script>
<script type="text/javascript" src="Ext.ux.form.DateTimeField.js"></script>
<script type="text/javascript" src="Ext.hoo.form.DateTimeField.js"></script>
</head>
<body>
<div id="show" style="float: left; margin: 100px 0 0 100px;"></div>
</body>
</html>
Spinner.css
/*!
* Ext JS Library 3.1.1
* Copyright(c) 2006-2010 Ext JS, LLC
* licensing@extjs.com
* http://www.extjs.com/license
*/
.x-form-spinner-proxy{
/*background-color:#ff00cc;*/
}
.x-form-field-wrap .x-form-spinner-trigger {
background:transparent url('../images/spinner.gif') no-repeat 0 0;
}
.x-form-field-wrap .x-form-spinner-overup{
background-position:-17px 0;
}
.x-form-field-wrap .x-form-spinner-clickup{
background-position:-34px 0;
}
.x-form-field-wrap .x-form-spinner-overdown{
background-position:-51px 0;
}
.x-form-field-wrap .x-form-spinner-clickdown{
background-position:-68px 0;
}
.x-trigger-wrap-focus .x-form-spinner-trigger{
background-position:-85px 0;
}
.x-trigger-wrap-focus .x-form-spinner-overup{
background-position:-102px 0;
}
.x-trigger-wrap-focus .x-form-spinner-clickup{
background-position:-119px 0;
}
.x-trigger-wrap-focus .x-form-spinner-overdown{
background-position:-136px 0;
}
.x-trigger-wrap-focus .x-form-spinner-clickdown{
background-position:-153px 0;
}
.x-trigger-wrap-focus .x-form-trigger{
border-bottom: 1px solid #7eadd9;
}
.x-form-field-wrap .x-form-spinner-splitter {
line-height:1px;
font-size:1px;
background:transparent url('../images/spinner-split.gif') no-repeat 0 0;
position:absolute;
cursor: n-resize;
}
.x-trigger-wrap-focus .x-form-spinner-splitter{
background-position:-14px 0;
}
.x-date-bottom {
font-size: 12px;
}
.x-date-menu {
height: 200px;
}
图片
spinner.gif
![ExtJS Form扩展组件[ColorFiled, DateTimeFiled, IconCombo, MultiComboBox, DynamicTreeCombox]](http://images.cnblogs.com/cnblogs_com/hoojo/201202/201202271405535372.png "ExtJS Form扩展组件[ColorFiled, DateTimeFiled, IconCombo, MultiComboBox, DynamicTreeCombox]")
spinner-split.gif
![ExtJS Form扩展组件[ColorFiled, DateTimeFiled, IconCombo, MultiComboBox, DynamicTreeCombox]](http://images.cnblogs.com/cnblogs_com/hoojo/201202/201202271406038775.png "ExtJS Form扩展组件[ColorFiled, DateTimeFiled, IconCombo, MultiComboBox, DynamicTreeCombox]")
Spinner.js
/*!
* Ext JS Library 3.1.1
* Copyright(c) 2006-2010 Ext JS, LLC
* licensing@extjs.com
* http://www.extjs.com/license
*/
/**
* @class Ext.ux.Spinner
* @extends Ext.util.Observable
* Creates a Spinner control utilized by Ext.ux.form.SpinnerField
*/
Ext.ux.Spinner = Ext.extend(Ext.util.Observable, {
incrementValue: 1,
alternateIncrementValue: 5,
triggerClass: 'x-form-spinner-trigger',
splitterClass: 'x-form-spinner-splitter',
alternateKey: Ext.EventObject.shiftKey,
defaultValue: 0,
accelerate: false,
constructor: function(config){
Ext.ux.Spinner.superclass.constructor.call(this, config);
Ext.apply(this, config);
this.mimicing = false;
},
init: function(field){
this.field = field;
field.afterMethod('onRender', this.doRender, this);
field.afterMethod('onEnable', this.doEnable, this);
field.afterMethod('onDisable', this.doDisable, this);
field.afterMethod('afterRender', this.doAfterRender, this);
field.afterMethod('onResize', this.doResize, this);
field.afterMethod('onFocus', this.doFocus, this);
field.beforeMethod('onDestroy', this.doDestroy, this);
},
doRender: function(ct, position){
var el = this.el = this.field.getEl();
var f = this.field;
if (!f.wrap) {
f.wrap = this.wrap = el.wrap({
cls: "x-form-field-wrap"
});
}
else {
this.wrap = f.wrap.addClass('x-form-field-wrap');
}
this.trigger = this.wrap.createChild({
tag: "img",
src: Ext.BLANK_IMAGE_URL,
cls: "x-form-trigger " + this.triggerClass
});
if (!f.width) {
this.wrap.setWidth(el.getWidth() + this.trigger.getWidth());
}
this.splitter = this.wrap.createChild({
tag: 'div',
cls: this.splitterClass,
style: 'width:13px; height:2px;'
});
this.splitter.setRight((Ext.isIE) ? 1 : 2).setTop(10).show();
this.proxy = this.trigger.createProxy('', this.splitter, true);
this.proxy.addClass("x-form-spinner-proxy");
this.proxy.setStyle('left', '0px');
this.proxy.setSize(14, 1);
this.proxy.hide();
this.dd = new Ext.dd.DDProxy(this.splitter.dom.id, "SpinnerDrag", {
dragElId: this.proxy.id
});
this.initTrigger();
this.initSpinner();
},
doAfterRender: function(){
var y;
if (Ext.isIE && this.el.getY() != (y = this.trigger.getY())) {
this.el.position();
this.el.setY(y);
}
},
doEnable: function(){
if (this.wrap) {
this.wrap.removeClass(this.field.disabledClass);
}
},
doDisable: function(){
if (this.wrap) {
this.wrap.addClass(this.field.disabledClass);
this.el.removeClass(this.field.disabledClass);
}
},
doResize: function(w, h){
if (typeof w == 'number') {
this.el.setWidth(w - this.trigger.getWidth());
}
this.wrap.setWidth(this.el.getWidth() + this.trigger.getWidth());
},
doFocus: function(){
if (!this.mimicing) {
this.wrap.addClass('x-trigger-wrap-focus');
this.mimicing = true;
Ext.get(Ext.isIE ? document.body : document).on("mousedown", this.mimicBlur, this, {
delay: 10
});
this.el.on('keydown', this.checkTab, this);
}
},
// private
checkTab: function(e){
if (e.getKey() == e.TAB) {
this.triggerBlur();
}
},
// private
mimicBlur: function(e){
if (!this.wrap.contains(e.target) && this.field.validateBlur(e)) {
this.triggerBlur();
}
},
// private
triggerBlur: function(){
this.mimicing = false;
Ext.get(Ext.isIE ? document.body : document).un("mousedown", this.mimicBlur, this);
this.el.un("keydown", this.checkTab, this);
this.field.beforeBlur();
this.wrap.removeClass('x-trigger-wrap-focus');
this.field.onBlur.call(this.field);
},
initTrigger: function(){
this.trigger.addClassOnOver('x-form-trigger-over');
this.trigger.addClassOnClick('x-form-trigger-click');
},
initSpinner: function(){
this.field.addEvents({
'spin': true,
'spinup': true,
'spindown': true
});
this.keyNav = new Ext.KeyNav(this.el, {
"up": function(e){
e.preventDefault();
this.onSpinUp();
},
"down": function(e){
e.preventDefault();
this.onSpinDown();
},
"pageUp": function(e){
e.preventDefault();
this.onSpinUpAlternate();
},
"pageDown": function(e){
e.preventDefault();
this.onSpinDownAlternate();
},
scope: this
});
this.repeater = new Ext.util.ClickRepeater(this.trigger, {
accelerate: this.accelerate
});
this.field.mon(this.repeater, "click", this.onTriggerClick, this, {
preventDefault: true
});
this.field.mon(this.trigger, {
mouseover: this.onMouseOver,
mouseout: this.onMouseOut,
mousemove: this.onMouseMove,
mousedown: this.onMouseDown,
mouseup: this.onMouseUp,
scope: this,
preventDefault: true
});
this.field.mon(this.wrap, "mousewheel", this.handleMouseWheel, this);
this.dd.setXConstraint(0, 0, 10)
this.dd.setYConstraint(1500, 1500, 10);
this.dd.endDrag = this.endDrag.createDelegate(this);
this.dd.startDrag = this.startDrag.createDelegate(this);
this.dd.onDrag = this.onDrag.createDelegate(this);
},
onMouseOver: function(){
if (this.disabled) {
return;
}
var middle = this.getMiddle();
this.tmpHoverClass = (Ext.EventObject.getPageY() < middle) ? 'x-form-spinner-overup' : 'x-form-spinner-overdown';
this.trigger.addClass(this.tmpHoverClass);
},
//private
onMouseOut: function(){
this.trigger.removeClass(this.tmpHoverClass);
},
//private
onMouseMove: function(){
if (this.disabled) {
return;
}
var middle = this.getMiddle();
if (((Ext.EventObject.getPageY() > middle) && this.tmpHoverClass == "x-form-spinner-overup") ||
((Ext.EventObject.getPageY() < middle) && this.tmpHoverClass == "x-form-spinner-overdown")) {
}
},
//private
onMouseDown: function(){
if (this.disabled) {
return;
}
var middle = this.getMiddle();
this.tmpClickClass = (Ext.EventObject.getPageY() < middle) ? 'x-form-spinner-clickup' : 'x-form-spinner-clickdown';
this.trigger.addClass(this.tmpClickClass);
},
//private
onMouseUp: function(){
this.trigger.removeClass(this.tmpClickClass);
},
//private
onTriggerClick: function(){
if (this.disabled || this.el.dom.readOnly) {
return;
}
var middle = this.getMiddle();
var ud = (Ext.EventObject.getPageY() < middle) ? 'Up' : 'Down';
this['onSpin' + ud]();
},
//private
getMiddle: function(){
var t = this.trigger.getTop();
var h = this.trigger.getHeight();
var middle = t + (h / 2);
return middle;
},
//private
//checks if control is allowed to spin
isSpinnable: function(){
if (this.disabled || this.el.dom.readOnly) {
Ext.EventObject.preventDefault(); //prevent scrolling when disabled/readonly
return false;
}
return true;
},
handleMouseWheel: function(e){
//disable scrolling when not focused
if (this.wrap.hasClass('x-trigger-wrap-focus') == false) {
return;
}
var delta = e.getWheelDelta();
if (delta > 0) {
this.onSpinUp();
e.stopEvent();
}
else
if (delta < 0) {
this.onSpinDown();
e.stopEvent();
}
},
//private
startDrag: function(){
this.proxy.show();
this._previousY = Ext.fly(this.dd.getDragEl()).getTop();
},
//private
endDrag: function(){
this.proxy.hide();
},
//private
onDrag: function(){
if (this.disabled) {
return;
}
var y = Ext.fly(this.dd.getDragEl()).getTop();
var ud = '';
if (this._previousY > y) {
ud = 'Up';
} //up
if (this._previousY < y) {
ud = 'Down';
} //down
if (ud != '') {
this['onSpin' + ud]();
}
this._previousY = y;
},
//private
onSpinUp: function(){
if (this.isSpinnable() == false) {
return;
}
if (Ext.EventObject.shiftKey == true) {
this.onSpinUpAlternate();
return;
}
else {
this.spin(false, false);
}
this.field.fireEvent("spin", this);
this.field.fireEvent("spinup", this);
},
//private
onSpinDown: function(){
if (this.isSpinnable() == false) {
return;
}
if (Ext.EventObject.shiftKey == true) {
this.onSpinDownAlternate();
return;
}
else {
this.spin(true, false);
}
this.field.fireEvent("spin", this);
this.field.fireEvent("spindown", this);
},
//private
onSpinUpAlternate: function(){
if (this.isSpinnable() == false) {
return;
}
this.spin(false, true);
this.field.fireEvent("spin", this);
this.field.fireEvent("spinup", this);
},
//private
onSpinDownAlternate: function(){
if (this.isSpinnable() == false) {
return;
}
this.spin(true, true);
this.field.fireEvent("spin", this);
this.field.fireEvent("spindown", this);
},
spin: function(down, alternate){
var v = parseFloat(this.field.getValue());
var incr = (alternate == true) ? this.alternateIncrementValue : this.incrementValue;
(down == true) ? v -= incr : v += incr;
v = (isNaN(v)) ? this.defaultValue : v;
v = this.fixBoundries(v);
this.field.setRawValue(v);
},
fixBoundries: function(value){
var v = value;
if (this.field.minValue != undefined && v < this.field.minValue) {
v = this.field.minValue;
}
if (this.field.maxValue != undefined && v > this.field.maxValue) {
v = this.field.maxValue;
}
return this.fixPrecision(v);
},
// private
fixPrecision: function(value){
var nan = isNaN(value);
if (!this.field.allowDecimals || this.field.decimalPrecision == -1 || nan || !value) {
return nan ? '' : value;
}
return parseFloat(parseFloat(value).toFixed(this.field.decimalPrecision));
},
doDestroy: function(){
if (this.trigger) {
this.trigger.remove();
}
if (this.wrap) {
this.wrap.remove();
delete this.field.wrap;
}
if (this.splitter) {
this.splitter.remove();
}
if (this.dd) {
this.dd.unreg();
this.dd = null;
}
if (this.proxy) {
this.proxy.remove();
}
if (this.repeater) {
this.repeater.purgeListeners();
}
}
});
//backwards compat
Ext.form.Spinner = Ext.ux.Spinner;
SpinnerField.js
/*!
* Ext JS Library 3.1.1
* Copyright(c) 2006-2010 Ext JS, LLC
* licensing@extjs.com
* http://www.extjs.com/license
*/
Ext.ns('Ext.ux.form');
/**
* @class Ext.ux.form.SpinnerField
* @extends Ext.form.NumberField
* Creates a field utilizing Ext.ux.Spinner
* @xtype spinnerfield
*/
Ext.ux.form.SpinnerField = Ext.extend(Ext.form.NumberField, {
actionMode: 'wrap',
deferHeight: true,
autoSize: Ext.emptyFn,
onBlur: Ext.emptyFn,
adjustSize: Ext.BoxComponent.prototype.adjustSize,
constructor: function(config) {
var spinnerConfig = Ext.copyTo({}, config, 'incrementValue,alternateIncrementValue,accelerate,defaultValue,triggerClass,splitterClass');
var spl = this.spinner = new Ext.ux.Spinner(spinnerConfig);
var plugins = config.plugins
? (Ext.isArray(config.plugins)
? config.plugins.push(spl)
: [config.plugins, spl])
: spl;
Ext.ux.form.SpinnerField.superclass.constructor.call(this, Ext.apply(config, {plugins: plugins}));
},
// private
getResizeEl: function(){
return this.wrap;
},
// private
getPositionEl: function(){
return this.wrap;
},
// private
alignErrorIcon: function(){
if (this.wrap) {
this.errorIcon.alignTo(this.wrap, 'tl-tr', [2, 0]);
}
},
validateBlur: function(){
return true;
}
});
Ext.reg('spinnerfield', Ext.ux.form.SpinnerField);
//backwards compat
Ext.form.SpinnerField = Ext.ux.form.SpinnerField;
Ext.ux.form.DateTimeField.js
Ext.ns('Ext.ux.form');
Ext.ux.form.TimePickerField = function(config){
Ext.ux.form.TimePickerField.superclass.constructor.call(this, config);
}
Ext.extend(Ext.ux.form.TimePickerField, Ext.form.Field, {
defaultAutoCreate: {
tag: 'div'
},
cls: 'x-form-timepickerfield',
hoursSpinner: null,
minutesSpinner: null,
secondsSpinner: null,
spinnerCfg: {
width: 40
},
spinnerFixBoundries: function(value){
if (value < this.field.minValue) {
value = this.field.maxValue;
}
if (value > this.field.maxValue) {
value = this.field.minValue;
}
return this.fixPrecision(value);
},
onRender: function(ct, position){
Ext.ux.form.TimePickerField.superclass.onRender.call(this, ct, position);
this.rendered = false;
this.date = new Date();
var values = {};
if (this.value) {
values = this._valueSplit(this.value);
this.date.setHours(values.h);
this.date.setMinutes(values.m);
this.date.setSeconds(values.s);
delete this.value;
}
else {
values = {
h: this.date.getHours(),
m: this.date.getMinutes(),
s: this.date.getSeconds()
};
}
var spinnerWrap = Ext.DomHelper.append(this.el, {
tag: 'div'
});
var cfg = Ext.apply({}, this.spinnerCfg, {
renderTo: spinnerWrap,
readOnly: this.readOnly,
disabled: this.disabled,
listeners: {
spin: {
fn: this.onSpinnerChange,
scope: this
},
valid: {
fn: this.onSpinnerChange,
scope: this
},
afterrender: {
fn: function(spinner){
spinner.wrap.applyStyles('float: left');
},
single: true
}
}
});
this.hoursSpinner = new Ext.ux.form.SpinnerField(Ext.apply({}, cfg, {
minValue: 0,
maxValue: 23,
cls: 'first',
value: values.h
}));
this.minutesSpinner = new Ext.ux.form.SpinnerField(Ext.apply({}, cfg, {
minValue: 0,
maxValue: 59,
value: values.m
}));
this.secondsSpinner = new Ext.ux.form.SpinnerField(Ext.apply({}, cfg, {
minValue: 0,
maxValue: 59,
value: values.s
}));
Ext.DomHelper.append(spinnerWrap, {
tag: 'div',
cls: 'x-form-clear-left'
});
this.rendered = true;
},
_valueSplit: function(v){
var split = v.split(':');
return {
h: split.length > 0 ? split[0] : 0,
m: split.length > 1 ? split[1] : 0,
s: split.length > 2 ? split[2] : 0
};
},
onSpinnerChange: function(){
if (!this.rendered) {
return;
}
this.fireEvent('change', this, this.getRawValue());
},
disable: function(){
Ext.ux.form.TimePickerField.superclass.disable.call(this);
this.hoursSpinner.disable();
this.minutesSpinner.disable();
this.secondsSpinner.disable();
},
enable: function(){
Ext.ux.form.TimePickerField.superclass.enable.call(this);
this.hoursSpinner.enable();
this.minutesSpinner.enable();
this.secondsSpinner.enable();
},
setReadOnly: function(r){
Ext.ux.form.TimePickerField.superclass.setReadOnly.call(this, r);
this.hoursSpinner.setReadOnly(r);
this.minutesSpinner.setReadOnly(r);
this.secondsSpinner.setReadOnly(r);
},
clearInvalid: function(){
Ext.ux.form.TimePickerField.superclass.clearInvalid.call(this);
this.hoursSpinner.clearInvalid();
this.minutesSpinner.clearInvalid();
this.secondsSpinner.clearInvalid();
},
getRawValue: function(){
if (!this.hoursSpinner) {
this.date = new Date();
return {
h: this.date.getHours(),
m: this.date.getMinutes(),
s: this.date.getSeconds()
};
}
else {
return {
h: this.hoursSpinner.getValue(),
m: this.minutesSpinner.getValue(),
s: this.secondsSpinner.getValue()
};
}
},
setRawValue: function(v){
this.hoursSpinner.setValue(v.h);
this.minutesSpinner.setValue(v.m);
this.secondsSpinner.setValue(v.s);
},
isValid: function(preventMark){
return this.hoursSpinner.isValid(preventMark) &&
this.minutesSpinner.isValid(preventMark) &&
this.secondsSpinner.isValid(preventMark);
},
validate: function(){
return this.hoursSpinner.validate() &&
this.minutesSpinner.validate() &&
this.secondsSpinner.validate();
},
getValue: function(){
var v = this.getRawValue();
return String.leftPad(v.h, 2, '0') + ':' +
String.leftPad(v.m, 2, '0') +
':' +
String.leftPad(v.s, 2, '0');
},
setValue: function(value){
if (!this.rendered) {
this.value = value;
return;
}
value = this._valueSplit(value);
this.setRawValue(value);
this.validate();
}
});
Ext.form.TimePickerField = Ext.ux.form.TimePickerField;
Ext.reg('timepickerfield', Ext.form.TimePickerField);
Ext.ns('Ext.ux.form');
Ext.DateTimePicker = Ext.extend(Ext.DatePicker, {
timeFormat: 'g:i:s A',
timeLabel: '时间',
timeWidth: 100,
initComponent: function(){
Ext.DateTimePicker.superclass.initComponent.call(this);
this.id = Ext.id();
},
onRender: function(container, position){
Ext.DateTimePicker.superclass.onRender.apply(this, arguments);
var table = Ext.get(Ext.DomQuery.selectNode('table tbody', container.dom));
var tfEl = Ext.DomHelper.insertBefore(table.last(), {
tag: 'tr',
children: [{
tag: 'td',
cls: 'x-date-bottom',
html: this.timeLabel,
style: 'width:30;'
}, {
tag: 'td',
cls: 'x-date-bottom ux-timefield',
style: "height: 20px;",
colspan: '2'
}]
}, true);
this.tf.render(table.child('td.ux-timefield'));
var p = this.getEl().parent('div.x-layer');
if (p) {
p.setStyle("height", p.getHeight() + 31);
}
},
setValue: function(value){
var old = this.value;
if (!this.tf) {
this.tf = new Ext.ux.form.TimePickerField();
this.tf.ownerCt = this;
}
this.value = this.getDateTime(value);
},
getDateTime: function(value){
if (this.tf) {
var dt = new Date();
var timeval = this.tf.getValue();
value = Date.parseDate(value.format(this.dateFormat) + ' ' + this.tf.getValue(), this.format);
}
return value;
},
selectToday: function(){
if (this.todayBtn && !this.todayBtn.disabled) {
this.value = this.getDateTime(new Date());
this.fireEvent("select", this, this.value);
}
}
});
Ext.reg('datetimepickerfield', Ext.DateTimePicker);
if (parseInt(Ext.version.substr(0, 1), 10) > 2) {
Ext.menu.DateTimeItem = Ext.DateTimePicker;
Ext.override(Ext.menu.DateMenu, {
initComponent: function(){
this.on('beforeshow', this.onBeforeShow, this);
if (this.strict = (Ext.isIE7 && Ext.isStrict)) {
this.on('show', this.onShow, this, {
single: true,
delay: 20
});
}
Ext.apply(this, {
plain: true,
showSeparator: false,
items: this.picker = new Ext.DatePicker(Ext.apply({
internalRender: this.strict || !Ext.isIE,
ctCls: 'x-menu-date-item'
}, this.initialConfig))
});
Ext.menu.DateMenu.superclass.initComponent.call(this);
this.relayEvents(this.picker, ["select"]);
this.on('select', this.menuHide, this);
if (this.handler) {
this.on('select', this.handler, this.scope || this);
}
}
});
}
else {
Ext.menu.DateTimeItem = function(config){
Ext.menu.DateTimeItem.superclass.constructor.call(this, new Ext.DateTimePicker(config), config);
this.picker = this.component;
alert(this.picker);
this.addEvents('select');
this.picker.on("render", function(picker){
picker.getEl().swallowEvent("click");
picker.container.addClass("x-menu-date-item");
});
this.picker.on("select", this.onSelect, this);
};
Ext.extend(Ext.menu.DateTimeItem, Ext.menu.DateMenu, {
onSelect: function(picker, date){
this.fireEvent("select", this, date, picker);
Ext.menu.DateTimeItem.superclass.handleClick.call(this);
}
});
}
Ext.menu.DateTimeMenu = function(config){
Ext.menu.DateTimeMenu.superclass.constructor.call(this, config);
this.plain = true;
var di = new Ext.menu.DateTimeItem(config);
this.add(di);
this.picker = di;
this.relayEvents(di, ["select"]);
this.on('beforeshow', function(){
if (this.picker) {
this.picker.hideMonthPicker(true);
}
}, this);
};
Ext.extend(Ext.menu.DateTimeMenu, Ext.menu.Menu, {
cls: 'x-date-menu',
beforeDestroy: function(){
this.picker.destroy();
},
hide: function(deep){
if (this.picker.tf.innerList) {
if ((Ext.EventObject.within(this.picker.tf.innerList)) || (Ext.get(Ext.EventObject.getTarget()) == this.picker.tf.innerList))
return false;
}
if (this.el && this.isVisible()) {
this.fireEvent("beforehide", this);
if (this.activeItem) {
this.activeItem.deactivate();
this.activeItem = null;
}
this.el.hide();
this.hidden = true;
this.fireEvent("hide", this);
}
if (deep === true && this.parentMenu) {
this.parentMenu.hide(true);
}
}
});
Ext.ux.form.DateTimeField = Ext.extend(Ext.form.DateField, {
dateFormat: 'Y-m-d',
timeFormat: 'H:i:s',
defaultAutoCreate: {
tag: "input",
type: "text",
size: "20",
autocomplete: "off"
},
initComponent: function(){
Ext.ux.form.DateTimeField.superclass.initComponent.call(this);
this.format = this.dateFormat + ' ' + this.timeFormat;
this.afterMethod('afterRender', function(){
this.getEl().applyStyles('top:0');
});
},
getValue: function(){
return this.parseDate(Ext.form.DateField.superclass.getValue.call(this)) || '';
},
onTriggerClick: function(){
if (this.disabled) {
return;
}
if (this.menu == null) {
this.menu = new Ext.menu.DateTimeMenu();
}
Ext.apply(this.menu.picker, {
minDate: this.minValue,
maxDate: this.maxValue,
disabledDatesRE: this.ddMatch,
disabledDatesText: this.disabledDatesText,
disabledDays: this.disabledDays,
disabledDaysText: this.disabledDaysText,
format: this.format,
timeFormat: this.timeFormat,
dateFormat: this.dateFormat,
showToday: this.showToday,
minText: String.format(this.minText, this.formatDate(this.minValue)),
maxText: String.format(this.maxText, this.formatDate(this.maxValue))
});
if (this.menuEvents) {
this.menuEvents('on');
}
else {
this.menu.on(Ext.apply({}, this.menuListeners, {
scope: this
}));
}
this.menu.picker.setValue(this.getValue() || new Date());
this.menu.show(this.el, "tl-bl?");
}
});
Ext.reg('datetimefield', Ext.ux.form.DateTimeField);
Ext.hoo.form.DateTimeField.js
/**
* @function 可以选择日期的DateTimeField
* @auhor: hoojo
* @createDate: Sep 16, 2010 9:25:12 PM
* @blog: blog.csdn.net/IBM_hoojo
* @email: hoojo_@126.com
* @class Ext.hoo.form.DateTimeField
* @extends Ext.ux.form.DateTimeField
*/
Ext.ns("Ext.hoo.form");
Ext.hoo.form.DateTimeField = Ext.extend(Ext.ux.form.DateTimeField, {
constructor: function () {
Ext.hoo.form.DateTimeField.superclass.constructor.call(this, {
renderTo: "show",
height: 222,
dateFormat: 'Y-m-d',
timeFormat: 'H:i:s',
listeners: {
select: function () {
alert(this.getValue() + "##" + this.getRawValue());
}
}
});
}
});
Ext.onReady(function () {
Ext.BLANK_IMAGE_URL = "../ext2/resources/images/default/s.gif";
Ext.QuickTips.init();
Ext.form.Field.prototype.msgTarget = "qtip";
new Ext.hoo.form.DateTimeField();
});
三、带图标的下列列表
效果图如下
![ExtJS Form扩展组件[ColorFiled, DateTimeFiled, IconCombo, MultiComboBox, DynamicTreeCombox]](http://images.cnblogs.com/cnblogs_com/hoojo/201202/201202271406095574.png "ExtJS Form扩展组件[ColorFiled, DateTimeFiled, IconCombo, MultiComboBox, DynamicTreeCombox]")
需要的文件
combo_icon.gif
![ExtJS Form扩展组件[ColorFiled, DateTimeFiled, IconCombo, MultiComboBox, DynamicTreeCombox]](http://images.cnblogs.com/cnblogs_com/hoojo/201202/201202271406176177.png "ExtJS Form扩展组件[ColorFiled, DateTimeFiled, IconCombo, MultiComboBox, DynamicTreeCombox]")
iconCombobox 插件文件： Ext.ux.IconCombo.js
示例文件： Ext.hoo.form.WebBroserIconComboBox.js
代码如下
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>form Component -- iconCombo</title>
<meta http-equiv="pragma" content="no-cache"/>
<meta http-equiv="cache-control" content="no-cache"/>
<meta http-equiv="expires" content="0"/>
<meta http-equiv="content-Type" content="text/html; charset=utf-8"/>
<meta http-equiv="author" content="hoojo"/>
<meta http-equiv="email" content="hoojo_@126.com"/>
<meta http-equiv="ext-lib" content="version 2.2"/>
<meta http-equiv="blog" content="http://blog.csdn.net/IBM_hoojo"/>
<link rel="stylesheet" type="text/css" href="../ext2/resources/css/ext-all.css"/>
<link rel="stylesheet" type="text/css" href="../css/iconCombo.css"/>
<style type="text/css">
.ffCls {
background: url(../images/combo_icon.gif) no-repeat 1px -15px;
}
.ieCls {
background: url(../images/combo_icon.gif) no-repeat 1px 2px;
}
.operaCls {
background: url(../images/combo_icon.gif) no-repeat 1px -68px;
}
.chromeCls {
background: url(../images/combo_icon.gif) no-repeat 1px -85px;
}
.maxCls {
background: url(../images/combo_icon.gif) no-repeat 1px -32px;
}
.ttCls {
background: url(../images/combo_icon.gif) no-repeat 1px -50px;
}
.sfCls {
background: url(../images/combo_icon.gif) no-repeat 1px -103px;
}
.twCls {
background: url(../images/combo_icon.gif) no-repeat 1px -121px;
}
.flockCls {
background: url(../images/combo_icon.gif) no-repeat 1px -139px;
}
</style>
<script type="text/javascript" src="../ext2/adapter/ext/ext-base.js"></script>
<script type="text/javascript" src="../ext2/ext-all.js"></script>
<script type="text/javascript" src="../ext2/build/locale/ext-lang-zh_CN-min.js"></script>
<script type="text/javascript" src="Ext.ux.IconCombo.js"></script>
<script type="text/javascript" src="Ext.hoo.form.WebBroserIconComboBox.js"></script>
</head>
<body>
<div id="show" style="padding: 100px 0 0 300px;"></div>
</body>
</html>
Ext.ux.IconCombo.js 文件代码
/**
* @class Ext.ux.IconCombo
* @extends Ext.form.ComboBox
* @param {Object} config Configuration options
*/
Ext.ux.IconCombo = function(config) {
// call parent constructor
Ext.ux.IconCombo.superclass.constructor.call(this, config);
this.tpl = config.tpl || '<tpl for="."><div class="x-combo-list-item">'
+ '<table><tbody><tr>' + '<td>' + '<div class="{'
+ this.iconClsField + '}"></div></td>' + '<td>{'
+ this.displayField + '}</td>' + '</tr></tbody></table>'
+ '</div></tpl>';
};
Ext.extend(Ext.ux.IconCombo, Ext.form.ComboBox, {
defaultIconCls: "ux-icon-combo-icon",
emptyText: "plase selected",
setIconCls : function() {
var record = this.store.query(this.valueField, this.getValue()).itemAt(0);
if (record) {
this.flag.className = record.get(this.iconClsField) || defaultIconCls || "ux-icon-combo-icon";
//this.flag.style.backgroundImage = rec.get(this.iconClsField);
}
},
setValue : function(value) {
Ext.ux.IconCombo.superclass.setValue.call(this, value);
this.setIconCls();
},
onRender: function(ct, position) {
Ext.ux.IconCombo.superclass.onRender.call(this, ct, position);
var wrap = this.el.up("div.x-form-field-wrap");
this.wrap.applyStyles({
position : "relative"
});
this.el.addClass("ux-icon-combo-input");
//textfield中显示的图片div
this.flag = Ext.DomHelper.append(wrap, {
tag : "div",
style : "position:absolute; left: 5px; top: 1px;"
});
//默认图片样式
this.flag.className = this.defaultIconCls;
}
});
Ext.hoo.form.WebBroserIconComboBox.js
/**
* @function 带图片的combobox
* @auhor: hoojo
* @createDate: Sep 10, 2010 11:16:12 PM
* @blog: blog.csdn.net/IBM_hoojo
* @email: hoojo_@126.com
* @class Ext.hoo.form.WebBroserIconComboBox
* @extends Ext.ux.IconCombo
*/
Ext.ns("Ext.hoo.form");
Ext.hoo.form.WebBroserIconComboBox = Ext.extend(Ext.ux.IconCombo, {
constructor: function () {
Ext.hoo.form.WebBroserIconComboBox.superclass.constructor.call(this, {
/*fieldLabel: "web broser type",
labelWidth: 73,*/
renderTo: /*Ext.getBody(),*/"show",
width: 200,
store: new Ext.data.SimpleStore({
fields: ["shortName", "name", "iconCls"],
data: [
["ff", "Mozilla Firefox" , "ffCls"],
["IE", "Internet Explorer" , "IECls"],
["opera", "Opera" , "operaCls"],
["chrome", "Google Chrome" , "chromeCls"],
["max", "Maxthon" , "maxCls"],
["tt", "TecentTraveler" , "ttCls"],
["sf", "Safari" , "sfCls"],
["tw", "TheWorld" , "twCls"],
["flock", "Flock" , "flockCls"]
]
}),
valueField: "shortName",
displayField: "name",
iconClsField: "iconCls",
triggerAction: "all",
editable: false,
mode: "local"
});
this.on("select", function (field, e) {
alert(field.getValue() + "###" + field.getRawValue());
}, this);
}
});
Ext.onReady(function () {
Ext.BLANK_IMAGE_URL = "../ext2/resources/images/default/s.gif";
Ext.QuickTips.init();
Ext.form.Field.prototype.msgTarget = "qtip";
new Ext.hoo.form.WebBroserIconComboBox();
});
四、多选下列列表组件
可以同时选择多个选项
![ExtJS Form扩展组件[ColorFiled, DateTimeFiled, IconCombo, MultiComboBox, DynamicTreeCombox]](http://images.cnblogs.com/cnblogs_com/hoojo/201202/201202271406233041.png "ExtJS Form扩展组件[ColorFiled, DateTimeFiled, IconCombo, MultiComboBox, DynamicTreeCombox]")
核心文件
多选下拉列表组件：Ext.form.MultiComboBox.js
示例文件：Ext.hoo.form.InterestMultiComboBox.js
代码如下
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>form Component -- MultiComboBox</title>
<meta http-equiv="pragma" content="no-cache"/>
<meta http-equiv="cache-control" content="no-cache"/>
<meta http-equiv="expires" content="0"/>
<meta http-equiv="content-Type" content="text/html; charset=utf-8"/>
<meta http-equiv="author" content="hoojo"/>
<meta http-equiv="email" content="hoojo_@126.com"/>
<meta http-equiv="ext-lib" content="version 2.2"/>
<meta http-equiv="blog" content="http://blog.csdn.net/IBM_hoojo"/>
<link rel="stylesheet" type="text/css" href="../ext2/resources/css/ext-all.css"/>
<style type="text/css">
.checked{
background-image: url("../ext2/resources/images/default/menu/checked.gif");
}
.unchecked{
background-image: url("../ext2/resources/images/default/menu/unchecked.gif");
}
.x-combo-list-item {
line-height: 18px;
}
</style>
<script type="text/javascript" src="../ext2/adapter/ext/ext-base.js"></script>
<script type="text/javascript" src="../ext2/ext-all.js"></script>
<script type="text/javascript" src="../ext2/build/locale/ext-lang-zh_CN-min.js"></script>
<script type="text/javascript" src="Ext.form.MultiComboBox.js"></script>
<script type="text/javascript" src="Ext.hoo.form.InterestMultiComboBox.js"></script>
</head>
<body>
<center>
<div id="show" style="padding-top: 200px;"></div>
</center>
</body>
</html>
Ext.form.MultiComboBox.js
Ext.form.MultiComboBox = Ext.extend(Ext.form.TriggerField, {
defaultAutoCreate : {tag: "input", type: "text", size: "24", autocomplete: "off"},
listClass: '',
selectedClass: 'x-combo-selected',
triggerClass : 'x-form-arrow-trigger',
shadow:'sides',
listAlign: 'tl-bl?',
maxHeight: 300,
triggerAction: 'query',
minChars : 4,
typeAhead: false,
queryDelay: 500,
pageSize: 0,
selectOnFocus: false,
queryParam: 'query',
loadingText: 'Loading...',
resizable: false,
handleHeight : 8,
editable: true,
allQuery: '',
mode: 'remote',
minListWidth : 70,
forceSelection:false,
typeAheadDelay : 250,
displaySeparator:';',
valueSeparator:',',
lazyInit : true,
initComponent : function(){
Ext.form.ComboBox.superclass.initComponent.call(this);
this.addEvents(
'expand',
'collapse',
'beforeselect',
'select',
'beforequery'
);
if(this.transform){
this.allowDomMove = false;
var s = Ext.getDom(this.transform);
if(!this.hiddenName){
this.hiddenName = s.name;
}
if(!this.store){
this.mode = 'local';
var d = [], opts = s.options;
for(var i = 0, len = opts.length;i < len; i++){
var o = opts[i];
var value = (Ext.isIE ? o.getAttributeNode('value').specified : o.hasAttribute('value')) ? o.value : o.text;
if(o.selected) {
this.value = value;
}
d.push([value, o.text]);
}
this.store = new Ext.data.SimpleStore({
'id': 0,
fields: ['value', 'text'],
data : d
});
this.valueField = 'value';
this.displayField = 'text';
}
s.name = Ext.id(); // wipe out the name in case somewhere else they have a reference
if(!this.lazyRender){
this.target = true;
this.el = Ext.DomHelper.insertBefore(s, this.autoCreate || this.defaultAutoCreate);
Ext.removeNode(s); // remove it
this.render(this.el.parentNode);
}else{
Ext.removeNode(s); // remove it
}
}
this.selectedIndex = -1;
if(this.mode == 'local'){
if(this.initialConfig.queryDelay === undefined){
this.queryDelay = 10;
}
if(this.initialConfig.minChars === undefined){
this.minChars = 0;
}
}
},
// private
onRender : function(ct, position){
Ext.form.ComboBox.superclass.onRender.call(this, ct, position);
var disValue="";
if(this.hiddenName){
this.hiddenField = this.el.insertSibling({tag:'input', type:'hidden', name: this.hiddenName, id: (this.hiddenId||this.hiddenName)},
'before', true);
var hvalue=this.hiddenValue !== undefined ? this.hiddenValue :
this.value !== undefined ? this.value : '';
var hvalueArray=hvalue.split(this.valueSeparator);
for(var i=0;i<this.store.data.length;i++){
var r = this.store.getAt(i);
var newValue = r.data[this.displayField];
var v=r.data[this.valueField];
for(var j=0;j<hvalueArray.length;j++){
if(hvalueArray[j]==v){
disValue+=newValue+this.displaySeparator;
}
}
}
this.hiddenField.value =this.hiddenValue !== undefined ? this.hiddenValue :
this.value !== undefined ? this.value : '';
this.el.dom.removeAttribute('name');
}
if(Ext.isGecko){
this.el.dom.setAttribute('autocomplete', 'off');
}
if(!this.lazyInit){
this.initList();
}else{
this.on('focus', this.initList, this, {single: true});
}
if(!this.editable){
this.editable = true;
this.setEditable(false);
}
this.setValue(disValue);
},
initList : function(){
if(!this.list){
var cls = 'x-combo-list';
this.list = new Ext.Layer({
shadow: this.shadow, cls: [cls, this.listClass].join(' '), constrain:false
});
var lw = this.listWidth || Math.max(this.wrap.getWidth(), this.minListWidth);
this.list.setWidth(lw);
this.list.swallowEvent('mousewheel');
this.assetHeight = 0;
if(this.title){
this.header = this.list.createChild({cls:cls+'-hd', html: this.title});
this.assetHeight += this.header.getHeight();
}
this.innerList = this.list.createChild({cls:cls+'-inner'});
this.innerList.on('mouseover', this.onViewOver, this);
this.innerList.on('mousemove', this.onViewMove, this);
this.innerList.setWidth(lw - this.list.getFrameWidth('lr'))
if(this.pageSize){
this.footer = this.list.createChild({cls:cls+'-ft'});
this.pageTb = new Ext.PagingToolbar({
store:this.store,
pageSize: this.pageSize,
renderTo:this.footer
});
this.assetHeight += this.footer.getHeight();
}
if(!this.tpl){
//alert(cls);
//x-combo-list-item
this.tpl = '<tpl for="."><div class="'+cls+'-item"><span class="unchecked" style="padding-bottom: 1px;" id="checkBox_{' + this.displayField + '}"> </span>{' + this.displayField + '}</div></tpl>';
}
this.view = new Ext.DataView({
applyTo: this.innerList,
tpl: this.tpl,
singleSelect: true,
selectedClass: this.selectedClass,
itemSelector: this.itemSelector || '.' + cls + '-item'
});
this.view.on('click', this.onViewClick, this);
this.bindStore(this.store, true);
if(this.resizable){
this.resizer = new Ext.Resizable(this.list, {
pinned:true, handles:'se'
});
this.resizer.on('resize', function(r, w, h){
this.maxHeight = h-this.handleHeight-this.list.getFrameWidth('tb')-this.assetHeight;
this.listWidth = w;
this.innerList.setWidth(w - this.list.getFrameWidth('lr'));
this.restrictHeight();
}, this);
this[this.pageSize?'footer':'innerList'].setStyle('margin-bottom', this.handleHeight+'px');
}
}
},
bindStore : function(store, initial){
if(this.store && !initial){
this.store.un('beforeload', this.onBeforeLoad, this);
this.store.un('load', this.onLoad, this);
this.store.un('loadexception', this.collapse, this);
if(!store){
this.store = null;
if(this.view){
this.view.setStore(null);
}
}
}
if(store){
this.store = Ext.StoreMgr.lookup(store);
this.store.on('beforeload', this.onBeforeLoad, this);
this.store.on('load', this.onLoad, this);
this.store.on('loadexception', this.collapse, this);
if(this.view){
this.view.setStore(store);
}
}
},
// private
initEvents : function(){
Ext.form.ComboBox.superclass.initEvents.call(this);
this.keyNav = new Ext.KeyNav(this.el, {
"up" : function(e){
this.inKeyMode = true;
this.selectPrev();
},
"down" : function(e){
if(!this.isExpanded()){
this.onTriggerClick();
}else{
this.inKeyMode = true;
this.selectNext();
}
},
"enter" : function(e){
this.onViewClick();
//return true;
},
"esc" : function(e){
this.collapse();
},
"tab" : function(e){
this.onViewClick(false);
return true;
},
scope : this,
doRelay : function(foo, bar, hname){
if(hname == 'down' || this.scope.isExpanded()){
return Ext.KeyNav.prototype.doRelay.apply(this, arguments);
}
return true;
},
forceKeyDown : true
});
this.queryDelay = Math.max(this.queryDelay || 10,
this.mode == 'local' ? 10 : 250);
this.dqTask = new Ext.util.DelayedTask(this.initQuery, this);
if(this.typeAhead){
this.taTask = new Ext.util.DelayedTask(this.onTypeAhead, this);
}
if(this.editable !== false){
this.el.on("keyup", this.onKeyUp, this);
}
if(this.forceSelection){
this.on('blur', this.doForce, this);
}
},
onDestroy : function(){
if(this.view){
this.view.el.removeAllListeners();
this.view.el.remove();
this.view.purgeListeners();
}
if(this.list){
this.list.destroy();
}
this.bindStore(null);
Ext.form.ComboBox.superclass.onDestroy.call(this);
},
// private
fireKey : function(e){
if(e.isNavKeyPress() && !this.list.isVisible()){
this.fireEvent("specialkey", this, e);
}
},
// private
onResize: function(w, h){
Ext.form.ComboBox.superclass.onResize.apply(this, arguments);
if(this.list && this.listWidth === undefined){
var lw = Math.max(w, this.minListWidth);
this.list.setWidth(lw);
this.innerList.setWidth(lw - this.list.getFrameWidth('lr'));
}
},
// private
onDisable: function(){
Ext.form.ComboBox.superclass.onDisable.apply(this, arguments);
if(this.hiddenField){
this.hiddenField.disabled = this.disabled;
}
},
setEditable : function(value){
if(value == this.editable){
return;
}
this.editable = value;
if(!value){
this.el.dom.setAttribute('readOnly', true);
this.el.on('mousedown', this.onTriggerClick, this);
this.el.addClass('x-combo-noedit');
}else{
this.el.dom.setAttribute('readOnly', false);
this.el.un('mousedown', this.onTriggerClick, this);
this.el.removeClass('x-combo-noedit');
}
},
// private
onBeforeLoad : function(){
if(!this.hasFocus){
return;
}
this.innerList.update(this.loadingText ?
'<div class="loading-indicator">'+this.loadingText+'</div>' : '');
this.restrictHeight();
this.selectedIndex = -1;
},
// private
onLoad : function(){
if(!this.hasFocus){
return;
}
if(this.store.getCount() > 0){
this.expand();
this.restrictHeight();
if(this.lastQuery == this.allQuery){
if(this.editable){
this.el.dom.select();
}
if(!this.selectByValue(this.value, true)){
this.select(0, true);
}
}else{
this.selectNext();
if(this.typeAhead && this.lastKey != Ext.EventObject.BACKSPACE && this.lastKey != Ext.EventObject.DELETE){
this.taTask.delay(this.typeAheadDelay);
}
}
}else{
this.onEmptyResults();
}
},
// private
onTypeAhead : function(){
if(this.store.getCount() > 0){
var r = this.store.getAt(0);
var newValue = r.data[this.displayField];
var len = newValue.length;
var selStart = this.getRawValue().length;
if(selStart != len){
this.setRawValue(newValue);
this.selectText(selStart, newValue.length);
}
}
},
// private
onSelect : function(record, index){
if(this.fireEvent('beforeselect', this, record, index) !== false){
var r = this.store.getAt(index);
var newValue = r.data[this.displayField];
var check=document.getElementById("checkBox_"+newValue);
if(check.className=="checked"){
check.className="unchecked"
}else{
check.className="checked"
}
var value="";
var hiddenValue="";
for(var i=0;i<this.store.data.length;i++){
var r = this.store.getAt(i);
newValue = r.data[this.displayField];
check=document.getElementById("checkBox_"+newValue);
if(check.className=="checked"){
value+= r.data[this.displayField]+this.displaySeparator;
hiddenValue+= r.data[this.valueField]+this.valueSeparator;
}
}
if(value.length>1){
value=value.substring(0,value.length-this.displaySeparator.length);
}
if(hiddenValue.length>1){
hiddenValue=hiddenValue.substring(0,value.length-this.valueSeparator.length);
}
this.setValue(value);
this.hiddenField.value=hiddenValue;
this.fireEvent('select', this, record, index);
}
},
getValue : function(){
if(this.valueField){
return typeof this.value != 'undefined' ? this.value : '';
}else{
return Ext.form.ComboBox.superclass.getValue.call(this);
}
},
/**
* Clears any text/value currently set in the field
*/
clearValue : function(){
if(this.hiddenField){
this.hiddenField.value = '';
}
this.setRawValue('');
this.lastSelectionText = '';
this.applyEmptyText();
},
setValue : function(v){
var text = v;
if(this.valueField){
var r = this.findRecord(this.valueField, v);
if(r){
text = r.data[this.displayField];
}else if(this.valueNotFoundText !== undefined){
text = this.valueNotFoundText;
}
}
this.lastSelectionText = text;
Ext.form.ComboBox.superclass.setValue.call(this, text);
this.value = v;
},
// private
findRecord : function(prop, value){
var record;
if(this.store.getCount() > 0){
this.store.each(function(r){
if(r.data[prop] == value){
record = r;
return false;
}
});
}
return record;
},
// private
onViewMove : function(e, t){
this.inKeyMode = false;
},
// private
onViewOver : function(e, t){
if(this.inKeyMode){ // prevent key nav and mouse over conflicts
return;
}
var item = this.view.findItemFromChild(t);
if(item){
var index = this.view.indexOf(item);
this.select(index, false);
}
},
// private
onViewClick : function(doFocus){
var index = this.view.getSelectedIndexes()[0];
var r = this.store.getAt(index);
if(r){
this.onSelect(r, index);
}
if(doFocus !== false){
this.el.focus();
}
},
// private
restrictHeight : function(){
this.innerList.dom.style.height = '';
var inner = this.innerList.dom;
var fw = this.list.getFrameWidth('tb');
var h = Math.max(inner.clientHeight, inner.offsetHeight, inner.scrollHeight);
this.innerList.setHeight(h < this.maxHeight ? 'auto' : this.maxHeight);
this.list.beginUpdate();
this.list.setHeight(this.innerList.getHeight()+fw+(this.resizable?this.handleHeight:0)+this.assetHeight);
this.list.alignTo(this.el, this.listAlign);
this.list.endUpdate();
},
// private
onEmptyResults : function(){
this.collapse();
},
/**
* Returns true if the dropdown list is expanded, else false.
*/
isExpanded : function(){
return this.list && this.list.isVisible();
},
selectByValue : function(v, scrollIntoView){
if(v !== undefined && v !== null){
var r = this.findRecord(this.valueField || this.displayField, v);
if(r){
this.select(this.store.indexOf(r), scrollIntoView);
return true;
}
}
return false;
},
select : function(index, scrollIntoView){
this.selectedIndex = index;
this.view.select(index);
if(scrollIntoView !== false){
var el = this.view.getNode(index);
if(el){
this.innerList.scrollChildIntoView(el, false);
}
}
},
// private
selectNext : function(){
var ct = this.store.getCount();
if(ct > 0){
if(this.selectedIndex == -1){
this.select(0);
}else if(this.selectedIndex < ct-1){
this.select(this.selectedIndex+1);
}
}
},
// private
selectPrev : function(){
var ct = this.store.getCount();
if(ct > 0){
if(this.selectedIndex == -1){
this.select(0);
}else if(this.selectedIndex != 0){
this.select(this.selectedIndex-1);
}
}
},
// private
onKeyUp : function(e){
if(this.editable !== false && !e.isSpecialKey()){
this.lastKey = e.getKey();
this.dqTask.delay(this.queryDelay);
}
},
// private
validateBlur : function(){
return !this.list || !this.list.isVisible();
},
// private
initQuery : function(){
this.doQuery(this.getRawValue());
},
// private
doForce : function(){
if(this.el.dom.value.length > 0){
this.el.dom.value =
this.lastSelectionText === undefined ? '' : this.lastSelectionText;
this.applyEmptyText();
}
},
doQuery : function(q, forceAll){
if(q === undefined || q === null){
q = '';
}
var qe = {
query: q,
forceAll: forceAll,
combo: this,
cancel:false
};
if(this.fireEvent('beforequery', qe)===false || qe.cancel){
return false;
}
q = qe.query;
forceAll = qe.forceAll;
if(forceAll === true || (q.length >= this.minChars)){
if(this.lastQuery !== q){
this.lastQuery = q;
if(this.mode == 'local'){
this.selectedIndex = -1;
if(forceAll){
this.store.clearFilter();
}else{
this.store.filter(this.displayField, q);
}
this.onLoad();
}else{
this.store.baseParams[this.queryParam] = q;
this.store.load({
params: this.getParams(q)
});
this.expand();
}
}else{
this.selectedIndex = -1;
this.onLoad();
}
}
},
// private
getParams : function(q){
var p = {};
//p[this.queryParam] = q;
if(this.pageSize){
p.start = 0;
p.limit = this.pageSize;
}
return p;
},
/**
* Hides the dropdown list if it is currently expanded. Fires the 'collapse' event on completion.
*/
collapse : function(){
if(!this.isExpanded()){
return;
}
this.list.hide();
Ext.getDoc().un('mousewheel', this.collapseIf, this);
Ext.getDoc().un('mousedown', this.collapseIf, this);
this.fireEvent('collapse', this);
},
// private
collapseIf : function(e){
if(!e.within(this.wrap) && !e.within(this.list)){
this.collapse();
}
},
/**
* Expands the dropdown list if it is currently hidden. Fires the 'expand' event on completion.
*/
expand : function(){
if(this.isExpanded() || !this.hasFocus){
return;
}
this.list.alignTo(this.wrap, this.listAlign);
var hvalueArray=this.hiddenField.value.split(this.valueSeparator);
for(var i=0;i<this.store.data.length;i++){
var r = this.store.getAt(i);
var newValue = r.data[this.displayField];
var v=r.data[this.valueField];
for(var j=0;j<hvalueArray.length;j++){
if(hvalueArray[j]==v){
document.getElementById("checkBox_"+newValue).className="checked";
}
}
}
this.list.show();
Ext.getDoc().on('mousewheel', this.collapseIf, this);
Ext.getDoc().on('mousedown', this.collapseIf, this);
this.fireEvent('expand', this);
},
// private
// Implements the default empty TriggerField.onTriggerClick function
onTriggerClick : function(){
if(this.disabled){
return;
}
if(this.isExpanded()){
this.collapse();
this.el.focus();
}else {
this.onFocus({});
if(this.triggerAction == 'all') {
this.doQuery(this.allQuery, true);
} else {
this.doQuery(this.getRawValue());
}
this.el.focus();
}
}
});
Ext.reg('multicombo', Ext.form.MultiComboBox);
Ext.hoo.form.InterestMultiComboBox.js
/**
* @function 支持多选的combox
* @auhor: hoojo
* @createDate: Sep 10, 2010 10:32:00 PM
* @blog: blog.csdn.net/IBM_hoojo
* @email: hoojo_@126.com
* @class Ext.hoo.form.InterestMultiComboBox
* @extends Ext.form.MultiComboBox
*/
Ext.ns("Ext.hoo.form");
Ext.hoo.form.InterestMultiComboBox = Ext.extend(Ext.form.MultiComboBox, {
constructor: function () {
Ext.hoo.form.InterestMultiComboBox.superclass.constructor.call(this, {
renderTo: "show",
width: 250,
mode: "local",
fieldLabel: "多选下拉框",
store: new Ext.data.SimpleStore({
fields: ["textAttr", "valueAttr"],
data: [
["打球", "batting"],
["看书", "lookbook"],
["睡觉", "sleeping"],
["购物", "shopping"],
["打游戏", "games"],
["唱歌", "sing"]
]
}),
editable: true,
emptyText:"请选择",
//allowBlank: false,
valueField: "textAttr",
displayField: "valueAttr",
labelSeparator: "：",
valueSeparator: "#",
displaySeparator: ",",
//value:"batting,sleeping",
hiddenName: "interest",
forceSelection: true,
triggerAction: "all"
});
this.on("select", function (field, record, index) {
alert(field.getValue() + "%%%%" + field.getRawValue() + Ext.fly("interest").dom.value);
}, this);
}
});
Ext.onReady(function () {
Ext.BLANK_IMAGE_URL = "../ext2/resources/images/default/s.gif";
Ext.QuickTips.init();
Ext.form.Field.prototype.msgTarget = "qtip";
new Ext.hoo.form.InterestMultiComboBox();
});
五、动态Combobox Tree（下拉列表树）组件
![ExtJS Form扩展组件[ColorFiled, DateTimeFiled, IconCombo, MultiComboBox, DynamicTreeCombox]](http://images.cnblogs.com/cnblogs_com/hoojo/201202/201202271406406732.png "ExtJS Form扩展组件[ColorFiled, DateTimeFiled, IconCombo, MultiComboBox, DynamicTreeCombox]")
可以多选、单选、checkbox
需要的文件
动态下列列表树插件：Ext.ux.form.DynamicTreeCombox.js
示例文件：Ext.hoo.form.DynaTreeCombo.js
代码如下：
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>form Component -- MultiComboBox</title>
<meta http-equiv="pragma" content="no-cache"/>
<meta http-equiv="cache-control" content="no-cache"/>
<meta http-equiv="expires" content="0"/>
<meta http-equiv="content-Type" content="text/html; charset=utf-8"/>
<meta http-equiv="author" content="hoojo"/>
<meta http-equiv="email" content="hoojo_@126.com"/>
<meta http-equiv="ext-lib" content="version 2.2"/>
<meta http-equiv="blog" content="http://blog.csdn.net/IBM_hoojo"/>
<link rel="stylesheet" type="text/css" href="../ext2/resources/css/ext-all.css"/>
<script type="text/javascript" src="../ext2/adapter/ext/ext-base.js"></script>
<script type="text/javascript" src="../ext2/ext-all.js"></script>
<script type="text/javascript" src="../ext2/build/locale/ext-lang-zh_CN-min.js"></script>
<script type="text/javascript" src="Ext.ux.form.DynamicTreeCombox.js"></script>
<script type="text/javascript" src="Ext.hoo.form.DynaTreeCombo.js"></script>
</head>
<body>
<div id="show" style="float: left; margin: 100px 0 0 100px;"></div>
<div id="showBasic" style="float: left; margin: 100px 0 0 100px;"></div>
<div id="showConstom" style="float: left; margin: 100px 0 0 100px;"></div>
</body>
</html>
Ext.ux.form.DynamicTreeCombox.js
Ext.ns("Ext.ux.form");
Ext.ux.form.DynamicTreeCombox = Ext.extend(Ext.form.ComboBox, {
initComponent:function(){
Ext.ux.form.DynamicTreeCombox.superclass.initComponent.call(this);
this.addEvents('beforeClickNode','afterClickNode', 'select');
if(!this.tree){
var root = this.root || new Ext.tree.AsyncTreeNode();
this.tree = new Ext.tree.TreePanel({
containerScroll: true,
rootVisible: false,
border: false,
root: root
});
this.tree.loader = new Ext.tree.TreeLoader(this.loaderConfig||{dataUrl:"",baseAttrs:{}});
this.tree.loader.addListener("beforeload",this.beforeLoad,this);
this.tree.loader.addListener("load",this.onLoad,this);
this.tree.addListener('collapsenode',this.onNodeCollapse,this);
this.tree.addListener('expandnode',this.onNodeExpand,this);
}
var fieldMp = {
text: "text",
qtip: "qtip",
parentFuncId: "id",
icon: "icon"
};
if(!this.fieldMapping){
this.fieldMapping = fieldMp;
}else{
Ext.applyIf(this.fieldMapping, fieldMp);
}
},
initList:function(){
if(!this.list){
var cls = 'x-combo-list';
this.list = new Ext.Layer({
shadow: this.shadow, cls: [cls, this.listClass].join(' '), constrain:false
});
var lw = this.listWidth || Math.max(this.wrap.getWidth(), this.minListWidth);
this.list.setWidth(lw);
this.list.swallowEvent('mousewheel');
this.innerList = this.list.createChild({cls:cls+'-inner'});
this.innerList.setWidth(lw - this.list.getFrameWidth('lr'));
this.innerList.setHeight("100%");
}
},
doQuery:function(){
if(this.expandAll){
var loader=this.tree.loader;
if(loader.baseAttrs){
Ext.apply(loader.baseAttrs,{expanded:this.expandAll});
}else{
loader.baseAttrs={expanded:this.expandAll};
}
}
if(!this.tree.rendered){
this.tree.render(this.innerList);
this.tree.addListener("click",this.clickNode,this);
}
this.expand();
},
beforeLoad:function(loader,node){
if(node!=node.getOwnerTree().root){
loader.baseParams.parentFuncId=node.attributes[this.fieldMapping.parentFuncId];
}
},
onLoad:function(loader,node,res){
var nodeArr=node.childNodes;
for(var i=0,j=nodeArr.length;i<j;i++){
if(nodeArr[i].attributes[this.fieldMapping.icon]){
nodeArr[i].getUI().getIconEl().src=nodeArr[i].attributes[this.fieldMapping.icon];
}
nodeArr[i].setText(nodeArr[i].attributes[this.fieldMapping.text]);
nodeArr[i].ui.textNode.setAttribute("qtip", nodeArr[i].attributes[this.fieldMapping.qtip]);
}
},
clickNode:function(node){
if(this.fireEvent('beforeClickNode',this,node)){
this.setValue(node.attributes[this.displayField]);
this.value = node.attributes[this.valField || "id"];
}
this.fireEvent("afterClickNode",this,node);
this.fireEvent("select",this,node);
this.collapse();
},
onNodeCollapse:function(node){
this.list.setHeight(this.tree.getEl().getHeight()+2);
},
getValue: function () {
return this.value;
},
onNodeExpand:function(node){
this.list.setHeight(this.tree.getEl().getHeight()+2);
},
onDestroy:function(){
if(this.view){
this.view.el.removeAllListeners();
this.view.el.remove();
this.view.purgeListeners();
}
if(this.tree.loader){
this.tree.loader.purgeListeners();
}
if(this.tree){
this.tree.el.removeAllListerers();
this.tree.el.remove();
this.tree.purgeListeners();
}
if(this.innerList){
this.innerList.destroy();
}
if(this.list){
this.list.destroy();
}
Ext.form.ComboBox.superclass.onDestroy.call(this);
}
});
Ext.reg("treecombox",Ext.ux.form.DynamicTreeCombox);
Ext.hoo.form.DynaTreeCombo.js
/**
* @function 动态tree的combobox,本地数据
* @auhor: hoojo
* @createDate: Sep 11, 2010 6:33:13 PM
* @blog: blog.csdn.net/IBM_hoojo
* @email: hoojo_@126.com
* @class Ext.hoo.form.DynaTreeCombo
* @extends Ext.ux.form.DynamicTreeCombox
*/
Ext.ns("Ext.hoo.form");
Ext.hoo.form.DynaTreeCombo = Ext.extend(Ext.ux.form.DynamicTreeCombox, {
constructor: function () {
Ext.hoo.form.DynaTreeCombo.superclass.constructor.call(this, {
renderTo: "show",
expandAll: false,
readOnly: true,
width: 200,
displayField: "text",
valField: "id",
root: new Ext.tree.AsyncTreeNode({
text: "ExtJS",
id: "0",
children: [{
text: "adpter",
qtip: "这是一个adpter的tip",
children: [{
text: "ext",
leaf: true,
qtip: "这是一个ext的tip",
checked: true
},{
text: "yui",
leaf: true
},{
text: "jquery",
leaf: true
},{
text: "prototype",
leaf: true,
checked: false
}]
},{
text: "air",
checked: false,
children: [{
text: "air.jsb",
leaf: true
},{
text: "ext-air.js",
leaf: true
}]
},{
text: "docs"
}]
})
});
this.on("select", function (field, node) {
alert(field.getValue() + "###" + field.getRawValue() + "##" + node.text);
}, this);
this.on("check", function (field, node) {
alert(field.getValue() + "###" + field.getRawValue() + "##" + node.text);
}, this);
}
});
/**
* @function DynamicTreeCombox 后台数据
* @auhor: hoojo
* @createDate: Sep 11, 2010 10:30:27 PM
* @blog: blog.csdn.net/IBM_hoojo
* @email: hoojo_@126.com
*/
Ext.hoo.form.AsyncBasicDynaTreeCombo = Ext.extend(Ext.ux.form.DynamicTreeCombox, {
constructor: function () {
Ext.hoo.form.AsyncBasicDynaTreeCombo.superclass.constructor.call(this, {
renderTo: "showBasic",
expandAll: false,
readOnly: true,
width: 200,
displayField: "text",
valField: "id",
loaderConfig:{
dataUrl: "../ServiceDataServlet?method=basic"//加载树的URL
}
});
this.on("select", function (field, node) {
alert(field.getValue() + "###" + field.getRawValue() + "##" + node.text);
}, this);
}
});
/**
* @function 后台数据
* @auhor: hoojo
* @createDate: Sep 11, 2010 10:30:59 PM
* @blog: blog.csdn.net/IBM_hoojo
* @email: hoojo_@126.com
*/
Ext.hoo.form.AsyncConstomDynaTreeCombo = Ext.extend(Ext.ux.form.DynamicTreeCombox, {
constructor: function () {
Ext.hoo.form.AsyncConstomDynaTreeCombo.superclass.constructor.call(this, {
renderTo: "showConstom",
expandAll: false,
readOnly: true,
width: 200,
displayField: "text",
valField: "id",
loaderConfig:{
dataUrl: "../ServiceDataServlet?method=constom",
baseParams:{parentFuncId:""}//如果传递parentFuncId就会查询当前id下的节点
},
//后台数据中没有text、qtip、icon、parentFuncId属性，需加上fieldMapping进行属性映射，如果后台返回数据中有此属性可省略
fieldMapping: {
text: "text",//映射node的text字段
qtip: "tip",//映射node的qtip字段
parentFuncId: "text"//映射动态请求后台的text属性作为请求参数
//icon: "img"
}
});
this.on("select", function (field, node) {
alert(field.getValue() + "###" + field.getRawValue() + "##" + node.text);
}, this);
}
});
Ext.onReady(function () {
Ext.BLANK_IMAGE_URL = "../ext2/resources/images/default/s.gif";
Ext.QuickTips.init();
Ext.form.Field.prototype.msgTarget = "qtip";
new Ext.hoo.form.DynaTreeCombo();
new Ext.hoo.form.AsyncBasicDynaTreeCombo();
new Ext.hoo.form.AsyncConstomDynaTreeCombo();
});
ServiceDataServlet.java
package com.hoo.servlet;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
public class ServiceDataServlet extends HttpServlet {
private static final long serialVersionUID = 1L;
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("text/json");
response.setCharacterEncoding("utf-8");
PrintWriter out = response.getWriter();
String method = request.getParameter("method");
StringBuilder sb = new StringBuilder();
if ("basic".equals(method)) {
sb.append("[")
.append("{").append("text:\"").append("adpter").append("\", qtip: \"").append("qtip提示：ADPTER").append("\",");
sb.append("children: [")
.append("{").append("text:\"").append("ext").append("\", qtip: \"").append("qtip提示：ext").append("\",")
.append("leaf: true").append("},")
.append("{").append("text:\"").append("jquery")
.append("\",").append("leaf: true").append("}]").append("},")
.append("{").append("text:\"").append("air").append("\",");
sb.append("children: [")
.append("{").append("text:\"").append("air.jsb")
.append("\",").append("leaf: true").append("},")
.append("{").append("text:\"").append("ext-air.js")
.append("\",").append("leaf: true").append("}]").append("},")
.append("{").append("text:\"").append("readMe.text").append("\",")
.append("leaf: true}");
sb.append("]");
}
if ("constom".equals(method)) {
sb.append("[")
.append("{").append("text:\"").append("adpter").append("\", tip: \"").append("ADPTER").append("\",");
sb.append("children:[")
.append("{").append("text:\"").append("ext").append("\", tip: \"").append("EXT").append("\",")
.append("leaf: true").append("},")
.append("{").append("text:\"").append("jquery").append("\", tip: \"").append("JQUERY").append("\",")
.append("leaf: true").append("}]},")
.append("{").append("text:\"").append("air").append("\", tip: \"").append("AIR").append("\",");
sb.append("children:[")
.append("{").append("text:\"").append("air.jsb").append("\", tip: \"").append("AIR.JSB").append("\",")
.append("leaf: true").append("},")
.append("{").append("text:\"").append("ext-air.js").append("\", tip: \"").append("EXT-AIR.JS").append("\",")
.append("leaf: true").append("}]").append("},")
.append("{").append("text:\"").append("readMe.text").append("\", tip: \"").append("README.TEXT").append("\",")
.append("leaf: true}");
sb.append("]");
}
out.print(sb.toString());
out.flush();
out.close();
}
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
this.doGet(request, response);
}
}
本文转自hoojo博客园博客，原文链接：http://www.cnblogs.com/hoojo/archive/2012/02/27/2369769.html，如需转载请自行联系原作者