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<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>The source code</title>
<link href="../resources/prettify/prettify.css" type="text/css" rel="stylesheet" />
<script type="text/javascript" src="../resources/prettify/prettify.js"></script>
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<body onload="prettyPrint();">
<pre class="prettyprint lang-js">/*!
* Ext JS Library 3.4.0
* Copyright(c) 2006-2011 Sencha Inc.
* licensing@sencha.com
* http://www.sencha.com/license
*/
<div id="cls-Ext.form.Checkbox"></div>/**
* @class Ext.form.Checkbox
* @extends Ext.form.Field
* Single checkbox field. Can be used as a direct replacement for traditional checkbox fields.
* @constructor
* Creates a new Checkbox
* @param {Object} config Configuration options
* @xtype checkbox
*/
Ext.form.Checkbox = Ext.extend(Ext.form.Field, {
<div id="cfg-Ext.form.Checkbox-focusClass"></div>/**
* @cfg {String} focusClass The CSS class to use when the checkbox receives focus (defaults to undefined)
*/
focusClass : undefined,
<div id="cfg-Ext.form.Checkbox-fieldClass"></div>/**
* @cfg {String} fieldClass The default CSS class for the checkbox (defaults to 'x-form-field')
*/
fieldClass : 'x-form-field',
<div id="cfg-Ext.form.Checkbox-checked"></div>/**
* @cfg {Boolean} checked <tt>true</tt> if the checkbox should render initially checked (defaults to <tt>false</tt>)
*/
checked : false,
<div id="cfg-Ext.form.Checkbox-boxLabel"></div>/**
* @cfg {String} boxLabel The text that appears beside the checkbox
*/
boxLabel: ' ',
<div id="cfg-Ext.form.Checkbox-autoCreate"></div>/**
* @cfg {String/Object} autoCreate A DomHelper element spec, or true for a default element spec (defaults to
* {tag: 'input', type: 'checkbox', autocomplete: 'off'})
*/
defaultAutoCreate : { tag: 'input', type: 'checkbox', autocomplete: 'off'},
<div id="cfg-Ext.form.Checkbox-inputValue"></div>/**
* @cfg {String} inputValue The value that should go into the generated input element's value attribute
*/
<div id="cfg-Ext.form.Checkbox-handler"></div>/**
* @cfg {Function} handler A function called when the {@link #checked} value changes (can be used instead of
* handling the check event). The handler is passed the following parameters:
* <div class="mdetail-params"><ul>
* <li><b>checkbox</b> : Ext.form.Checkbox<div class="sub-desc">The Checkbox being toggled.</div></li>
* <li><b>checked</b> : Boolean<div class="sub-desc">The new checked state of the checkbox.</div></li>
* </ul></div>
*/
<div id="cfg-Ext.form.Checkbox-scope"></div>/**
* @cfg {Object} scope An object to use as the scope ('this' reference) of the {@link #handler} function
* (defaults to this Checkbox).
*/
// private
actionMode : 'wrap',
// private
initComponent : function(){
Ext.form.Checkbox.superclass.initComponent.call(this);
this.addEvents(
<div id="event-Ext.form.Checkbox-check"></div>/**
* @event check
* Fires when the checkbox is checked or unchecked.
* @param {Ext.form.Checkbox} this This checkbox
* @param {Boolean} checked The new checked value
*/
'check'
);
},
// private
onResize : function(){
Ext.form.Checkbox.superclass.onResize.apply(this, arguments);
if(!this.boxLabel && !this.fieldLabel){
this.el.alignTo(this.wrap, 'c-c');
}
},
// private
initEvents : function(){
Ext.form.Checkbox.superclass.initEvents.call(this);
this.mon(this.el, {
scope: this,
click: this.onClick,
change: this.onClick
});
},
<div id="method-Ext.form.Checkbox-markInvalid"></div>/**
* @hide
* Overridden and disabled. The editor element does not support standard valid/invalid marking.
* @method
*/
markInvalid : Ext.emptyFn,
<div id="method-Ext.form.Checkbox-clearInvalid"></div>/**
* @hide
* Overridden and disabled. The editor element does not support standard valid/invalid marking.
* @method
*/
clearInvalid : Ext.emptyFn,
// private
onRender : function(ct, position){
Ext.form.Checkbox.superclass.onRender.call(this, ct, position);
if(this.inputValue !== undefined){
this.el.dom.value = this.inputValue;
}
this.wrap = this.el.wrap({cls: 'x-form-check-wrap'});
if(this.boxLabel){
this.wrap.createChild({tag: 'label', htmlFor: this.el.id, cls: 'x-form-cb-label', html: this.boxLabel});
}
if(this.checked){
this.setValue(true);
}else{
this.checked = this.el.dom.checked;
}
// Need to repaint for IE, otherwise positioning is broken
if (Ext.isIE && !Ext.isStrict) {
this.wrap.repaint();
}
this.resizeEl = this.positionEl = this.wrap;
},
// private
onDestroy : function(){
Ext.destroy(this.wrap);
Ext.form.Checkbox.superclass.onDestroy.call(this);
},
// private
initValue : function() {
this.originalValue = this.getValue();
},
<div id="method-Ext.form.Checkbox-getValue"></div>/**
* Returns the checked state of the checkbox.
* @return {Boolean} True if checked, else false
*/
getValue : function(){
if(this.rendered){
return this.el.dom.checked;
}
return this.checked;
},
// private
onClick : function(){
if(this.el.dom.checked != this.checked){
this.setValue(this.el.dom.checked);
}
},
<div id="method-Ext.form.Checkbox-setValue"></div>/**
* Sets the checked state of the checkbox, fires the 'check' event, and calls a
* <code>{@link #handler}</code> (if configured).
* @param {Boolean/String} checked The following values will check the checkbox:
* <code>true, 'true', '1', or 'on'</code>. Any other value will uncheck the checkbox.
* @return {Ext.form.Field} this
*/
setValue : function(v){
var checked = this.checked,
inputVal = this.inputValue;
if (v === false) {
this.checked = false;
} else {
this.checked = (v === true || v === 'true' || v == '1' || (inputVal ? v == inputVal : String(v).toLowerCase() == 'on'));
}
if(this.rendered){
this.el.dom.checked = this.checked;
this.el.dom.defaultChecked = this.checked;
}
if(checked != this.checked){
this.fireEvent('check', this, this.checked);
if(this.handler){
this.handler.call(this.scope || this, this, this.checked);
}
}
return this;
}
});
Ext.reg('checkbox', Ext.form.Checkbox);
</pre>
</body>
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