X-Git-Url: http://git.ithinksw.org/extjs.git/blobdiff_plain/ee06f37b0f6f6d94cd05a6ffae556660f7c4a2bc..c930e9176a5a85509c5b0230e2bff5c22a591432:/src/widgets/menu/CheckItem.js

diff --git a/src/widgets/menu/CheckItem.js b/src/widgets/menu/CheckItem.js
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+++ b/src/widgets/menu/CheckItem.js
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+/*!
+ * Ext JS Library 3.0.0
+ * Copyright(c) 2006-2009 Ext JS, LLC
+ * licensing@extjs.com
+ * http://www.extjs.com/license
+ */
+/**
+ * @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 = function(config){
+    Ext.menu.CheckItem.superclass.constructor.call(this, config);
+    this.addEvents(
+        /**
+         * @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
+         */
+        "beforecheckchange" ,
+        /**
+         * @event checkchange
+         * Fires after the checked value has been set
+         * @param {Ext.menu.CheckItem} this
+         * @param {Boolean} checked The checked value that was set
+         */
+        "checkchange"
+    );
+    /**
+     * 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);
+};
+Ext.extend(Ext.menu.CheckItem, Ext.menu.Item, {
+    /**
+     * @cfg {String} group
+     * All check items with the same group name will automatically be grouped into a single-select
+     * radio button group (defaults to '')
+     */
+    /**
+     * @cfg {String} itemCls The default CSS class to use for check items (defaults to "x-menu-item x-menu-check-item")
+     */
+    itemCls : "x-menu-item x-menu-check-item",
+    /**
+     * @cfg {String} groupClass The default CSS class to use for radio group check items (defaults to "x-menu-group-item")
+     */
+    groupClass : "x-menu-group-item",
+
+    /**
+     * @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 last item in the group that is
+     * initialized with checked = true will be rendered as checked.
+     */
+    checked: false,
+
+    // private
+    ctype: "Ext.menu.CheckItem",
+
+    // private
+    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);
+        }
+    },
+
+    // private
+    destroy : function(){
+        Ext.menu.MenuMgr.unregisterCheckable(this);
+        Ext.menu.CheckItem.superclass.destroy.apply(this, arguments);
+    },
+
+    /**
+     * 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){
+        if(this.checked != state && this.fireEvent("beforecheckchange", this, state) !== false){
+            if(this.container){
+                this.container[state ? "addClass" : "removeClass"]("x-menu-item-checked");
+            }
+            this.checked = state;
+            if(suppressEvent !== true){
+                this.fireEvent("checkchange", this, state);
+            }
+        }
+    },
+
+    // private
+    handleClick : function(e){
+       if(!this.disabled && !(this.checked && 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);
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