tvheadend/vendor/ext-3.4.1/docs/source/CheckItem.html

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  <pre class="prettyprint lang-js"><span id='Ext-menu-CheckItem-method-constructor'><span id='Ext-menu-CheckItem'>/**
</span></span> * @class Ext.menu.CheckItem
 * @extends Ext.menu.Item
 * Adds a menu item that contains a checkbox by default, but can also be part of a radio group.
 * @constructor
 * Creates a new CheckItem
 * @param {Object} config Configuration options
 * @xtype menucheckitem
 */
Ext.menu.CheckItem = Ext.extend(Ext.menu.Item, {
<span id='Ext-menu-CheckItem-cfg-group'>    /**
</span>     * @cfg {String} group
     * All check items with the same group name will automatically be grouped into a single-select
     * radio button group (defaults to '')
     */
<span id='Ext-menu-CheckItem-cfg-itemCls'>    /**
</span>     * @cfg {String} itemCls The default CSS class to use for check items (defaults to &quot;x-menu-item x-menu-check-item&quot;)
     */
    itemCls : &quot;x-menu-item x-menu-check-item&quot;,
<span id='Ext-menu-CheckItem-cfg-groupClass'>    /**
</span>     * @cfg {String} groupClass The default CSS class to use for radio group check items (defaults to &quot;x-menu-group-item&quot;)
     */
    groupClass : &quot;x-menu-group-item&quot;,

<span id='Ext-menu-CheckItem-cfg-checked'>    /**
</span>     * @cfg {Boolean} checked True to initialize this checkbox as checked (defaults to false).  Note that
     * if this checkbox is part of a radio group (group = true) only the first item in the group that is
     * initialized with checked = true will be rendered as checked.
     */
    checked: false,

<span id='Ext-menu-CheckItem-property-ctype'>    // private
</span>    ctype: &quot;Ext.menu.CheckItem&quot;,

<span id='Ext-menu-CheckItem-method-initComponent'>    initComponent : function(){
</span>        Ext.menu.CheckItem.superclass.initComponent.call(this);
	    this.addEvents(
<span id='Ext-menu-CheckItem-event-beforecheckchange'>	        /**
</span>	         * @event beforecheckchange
	         * Fires before the checked value is set, providing an opportunity to cancel if needed
	         * @param {Ext.menu.CheckItem} this
	         * @param {Boolean} checked The new checked value that will be set
	         */
	        &quot;beforecheckchange&quot; ,
<span id='Ext-menu-CheckItem-event-checkchange'>	        /**
</span>	         * @event checkchange
	         * Fires after the checked value has been set
	         * @param {Ext.menu.CheckItem} this
	         * @param {Boolean} checked The checked value that was set
	         */
	        &quot;checkchange&quot;
	    );
<span id='Ext-menu-CheckItem-method-checkHandler'>	    /**
</span>	     * A function that handles the checkchange event.  The function is undefined by default, but if an implementation
	     * is provided, it will be called automatically when the checkchange event fires.
	     * @param {Ext.menu.CheckItem} this
	     * @param {Boolean} checked The checked value that was set
	     * @method checkHandler
	     */
	    if(this.checkHandler){
	        this.on('checkchange', this.checkHandler, this.scope);
	    }
	    Ext.menu.MenuMgr.registerCheckable(this);
    },

<span id='Ext-menu-CheckItem-method-onRender'>    // private
</span>    onRender : function(c){
        Ext.menu.CheckItem.superclass.onRender.apply(this, arguments);
        if(this.group){
            this.el.addClass(this.groupClass);
        }
        if(this.checked){
            this.checked = false;
            this.setChecked(true, true);
        }
    },

<span id='Ext-menu-CheckItem-method-destroy'>    // private
</span>    destroy : function(){
        Ext.menu.MenuMgr.unregisterCheckable(this);
        Ext.menu.CheckItem.superclass.destroy.apply(this, arguments);
    },

<span id='Ext-menu-CheckItem-method-setChecked'>    /**
</span>     * Set the checked state of this item
     * @param {Boolean} checked The new checked value
     * @param {Boolean} suppressEvent (optional) True to prevent the checkchange event from firing (defaults to false)
     */
    setChecked : function(state, suppressEvent){
        var suppress = suppressEvent === true;
        if(this.checked != state &amp;&amp; (suppress || this.fireEvent(&quot;beforecheckchange&quot;, this, state) !== false)){
            Ext.menu.MenuMgr.onCheckChange(this, state);
            if(this.container){
                this.container[state ? &quot;addClass&quot; : &quot;removeClass&quot;](&quot;x-menu-item-checked&quot;);
            }
            this.checked = state;
            if(!suppress){
                this.fireEvent(&quot;checkchange&quot;, this, state);
            }
        }
    },

<span id='Ext-menu-CheckItem-method-handleClick'>    // private
</span>    handleClick : function(e){
       if(!this.disabled &amp;&amp; !(this.checked &amp;&amp; this.group)){// disable unselect on radio item
           this.setChecked(!this.checked);
       }
       Ext.menu.CheckItem.superclass.handleClick.apply(this, arguments);
    }
});
Ext.reg('menucheckitem', Ext.menu.CheckItem);</pre>
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