Upgrade to ExtJS 3.2.1 - Released 04/27/2010
[extjs.git] / docs / source / CheckboxGroup.html
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     <pre class="prettyprint lang-js">/*!
- * Ext JS Library 3.0.3
- * Copyright(c) 2006-2009 Ext JS, LLC
+ * Ext JS Library 3.2.1
+ * Copyright(c) 2006-2010 Ext JS, Inc.
  * licensing@extjs.com
  * http://www.extjs.com/license
  */
  * licensing@extjs.com
  * http://www.extjs.com/license
  */
-<div id="cls-Ext.form.CheckboxGroup"></div>/**\r
- * @class Ext.form.CheckboxGroup\r
- * @extends Ext.form.Field\r
- * <p>A grouping container for {@link Ext.form.Checkbox} controls.</p>\r
- * <p>Sample usage:</p>\r
- * <pre><code>\r
-var myCheckboxGroup = new Ext.form.CheckboxGroup({\r
-    id:'myGroup',\r
-    xtype: 'checkboxgroup',\r
-    fieldLabel: 'Single Column',\r
-    itemCls: 'x-check-group-alt',\r
-    // Put all controls in a single column with width 100%\r
-    columns: 1,\r
-    items: [\r
-        {boxLabel: 'Item 1', name: 'cb-col-1'},\r
-        {boxLabel: 'Item 2', name: 'cb-col-2', checked: true},\r
-        {boxLabel: 'Item 3', name: 'cb-col-3'}\r
-    ]\r
-});\r
- * </code></pre>\r
- * @constructor\r
- * Creates a new CheckboxGroup\r
- * @param {Object} config Configuration options\r
- * @xtype checkboxgroup\r
- */\r
-Ext.form.CheckboxGroup = Ext.extend(Ext.form.Field, {\r
-    <div id="cfg-Ext.form.CheckboxGroup-items"></div>/**\r
-     * @cfg {Array} items An Array of {@link Ext.form.Checkbox Checkbox}es or Checkbox config objects\r
-     * to arrange in the group.\r
-     */\r
-    <div id="cfg-Ext.form.CheckboxGroup-columns"></div>/**\r
-     * @cfg {String/Number/Array} columns Specifies the number of columns to use when displaying grouped\r
-     * checkbox/radio controls using automatic layout.  This config can take several types of values:\r
-     * <ul><li><b>'auto'</b> : <p class="sub-desc">The controls will be rendered one per column on one row and the width\r
-     * of each column will be evenly distributed based on the width of the overall field container. This is the default.</p></li>\r
-     * <li><b>Number</b> : <p class="sub-desc">If you specific a number (e.g., 3) that number of columns will be \r
-     * created and the contained controls will be automatically distributed based on the value of {@link #vertical}.</p></li>\r
-     * <li><b>Array</b> : Object<p class="sub-desc">You can also specify an array of column widths, mixing integer\r
-     * (fixed width) and float (percentage width) values as needed (e.g., [100, .25, .75]). Any integer values will\r
-     * be rendered first, then any float values will be calculated as a percentage of the remaining space. Float\r
-     * values do not have to add up to 1 (100%) although if you want the controls to take up the entire field\r
-     * container you should do so.</p></li></ul>\r
-     */\r
-    columns : 'auto',\r
-    <div id="cfg-Ext.form.CheckboxGroup-vertical"></div>/**\r
-     * @cfg {Boolean} vertical True to distribute contained controls across columns, completely filling each column \r
-     * top to bottom before starting on the next column.  The number of controls in each column will be automatically\r
-     * calculated to keep columns as even as possible.  The default value is false, so that controls will be added\r
-     * to columns one at a time, completely filling each row left to right before starting on the next row.\r
-     */\r
-    vertical : false,\r
-    <div id="cfg-Ext.form.CheckboxGroup-allowBlank"></div>/**\r
-     * @cfg {Boolean} allowBlank False to validate that at least one item in the group is checked (defaults to true).\r
-     * If no items are selected at validation time, {@link @blankText} will be used as the error text.\r
-     */\r
-    allowBlank : true,\r
-    <div id="cfg-Ext.form.CheckboxGroup-blankText"></div>/**\r
-     * @cfg {String} blankText Error text to display if the {@link #allowBlank} validation fails (defaults to "You must \r
-     * select at least one item in this group")\r
-     */\r
-    blankText : "You must select at least one item in this group",\r
-    \r
-    // private\r
-    defaultType : 'checkbox',\r
-    \r
-    // private\r
-    groupCls : 'x-form-check-group',\r
-    \r
-    // private\r
-    initComponent: function(){\r
-        this.addEvents(\r
-            <div id="event-Ext.form.CheckboxGroup-change"></div>/**\r
-             * @event change\r
-             * Fires when the state of a child checkbox changes.\r
-             * @param {Ext.form.CheckboxGroup} this\r
-             * @param {Array} checked An array containing the checked boxes.\r
-             */\r
-            'change'\r
-        );   \r
-        Ext.form.CheckboxGroup.superclass.initComponent.call(this);\r
-    },\r
-    \r
-    // private\r
-    onRender : function(ct, position){\r
-        if(!this.el){\r
-            var panelCfg = {\r
-                id: this.id,\r
-                cls: this.groupCls,\r
-                layout: 'column',\r
-                border: false,\r
-                renderTo: ct,\r
-                bufferResize: false // Default this to false, since it doesn't really have a proper ownerCt.\r
-            };\r
-            var colCfg = {\r
-                defaultType: this.defaultType,\r
-                layout: 'form',\r
-                border: false,\r
-                defaults: {\r
-                    hideLabel: true,\r
-                    anchor: '100%'\r
-                }\r
-            };\r
-            \r
-            if(this.items[0].items){\r
-                \r
-                // The container has standard ColumnLayout configs, so pass them in directly\r
-                \r
-                Ext.apply(panelCfg, {\r
-                    layoutConfig: {columns: this.items.length},\r
-                    defaults: this.defaults,\r
-                    items: this.items\r
-                });\r
-                for(var i=0, len=this.items.length; i<len; i++){\r
-                    Ext.applyIf(this.items[i], colCfg);\r
-                }\r
-                \r
-            }else{\r
-                \r
-                // The container has field item configs, so we have to generate the column\r
-                // panels first then move the items into the columns as needed.\r
-                \r
-                var numCols, cols = [];\r
-                \r
-                if(typeof this.columns == 'string'){ // 'auto' so create a col per item\r
-                    this.columns = this.items.length;\r
-                }\r
-                if(!Ext.isArray(this.columns)){\r
-                    var cs = [];\r
-                    for(var i=0; i<this.columns; i++){\r
-                        cs.push((100/this.columns)*.01); // distribute by even %\r
-                    }\r
-                    this.columns = cs;\r
-                }\r
-                \r
-                numCols = this.columns.length;\r
-                \r
-                // Generate the column configs with the correct width setting\r
-                for(var i=0; i<numCols; i++){\r
-                    var cc = Ext.apply({items:[]}, colCfg);\r
-                    cc[this.columns[i] <= 1 ? 'columnWidth' : 'width'] = this.columns[i];\r
-                    if(this.defaults){\r
-                        cc.defaults = Ext.apply(cc.defaults || {}, this.defaults)\r
-                    }\r
-                    cols.push(cc);\r
-                };\r
-                \r
-                // Distribute the original items into the columns\r
-                if(this.vertical){\r
-                    var rows = Math.ceil(this.items.length / numCols), ri = 0;\r
-                    for(var i=0, len=this.items.length; i<len; i++){\r
-                        if(i>0 && i%rows==0){\r
-                            ri++;\r
-                        }\r
-                        if(this.items[i].fieldLabel){\r
-                            this.items[i].hideLabel = false;\r
-                        }\r
-                        cols[ri].items.push(this.items[i]);\r
-                    };\r
-                }else{\r
-                    for(var i=0, len=this.items.length; i<len; i++){\r
-                        var ci = i % numCols;\r
-                        if(this.items[i].fieldLabel){\r
-                            this.items[i].hideLabel = false;\r
-                        }\r
-                        cols[ci].items.push(this.items[i]);\r
-                    };\r
-                }\r
-                \r
-                Ext.apply(panelCfg, {\r
-                    layoutConfig: {columns: numCols},\r
-                    items: cols\r
-                });\r
-            }\r
-            \r
-            this.panel = new Ext.Panel(panelCfg);\r
-            this.panel.ownerCt = this;\r
-            this.el = this.panel.getEl();\r
-            \r
-            if(this.forId && this.itemCls){\r
-                var l = this.el.up(this.itemCls).child('label', true);\r
-                if(l){\r
-                    l.setAttribute('htmlFor', this.forId);\r
-                }\r
-            }\r
-            \r
-            var fields = this.panel.findBy(function(c){\r
-                return c.isFormField;\r
-            }, this);\r
-            \r
-            this.items = new Ext.util.MixedCollection();\r
-            this.items.addAll(fields);\r
-        }\r
-        Ext.form.CheckboxGroup.superclass.onRender.call(this, ct, position);\r
-    },\r
-    \r
-    initValue : function(){\r
-        if(this.value){\r
-            this.setValue.apply(this, this.buffered ? this.value : [this.value]);\r
-            delete this.buffered;\r
-            delete this.value;\r
-        }\r
-    },\r
-    \r
-    afterRender : function(){\r
-        Ext.form.CheckboxGroup.superclass.afterRender.call(this);\r
-        this.eachItem(function(item){\r
-            item.on('check', this.fireChecked, this);\r
-            item.inGroup = true;\r
-        });\r
-    },\r
-    \r
-    // private\r
-    doLayout: function(){\r
-        //ugly method required to layout hidden items\r
-        if(this.rendered){\r
-            this.panel.forceLayout = this.ownerCt.forceLayout;\r
-            this.panel.doLayout();\r
-        }\r
-    },\r
-    \r
-    // private\r
-    fireChecked: function(){\r
-        var arr = [];\r
-        this.eachItem(function(item){\r
-            if(item.checked){\r
-                arr.push(item);\r
-            }\r
-        });\r
-        this.fireEvent('change', this, arr);\r
-    },\r
-    \r
-    // private\r
-    validateValue : function(value){\r
-        if(!this.allowBlank){\r
-            var blank = true;\r
-            this.eachItem(function(f){\r
-                if(f.checked){\r
-                    return (blank = false);\r
-                }\r
-            });\r
-            if(blank){\r
-                this.markInvalid(this.blankText);\r
-                return false;\r
-            }\r
-        }\r
-        return true;\r
-    },\r
-    \r
-    // private\r
-    isDirty: function(){\r
-        //override the behaviour to check sub items.\r
-        if (this.disabled || !this.rendered) {\r
-            return false;\r
-        }\r
-\r
-        var dirty = false;\r
-        this.eachItem(function(item){\r
-            if(item.isDirty()){\r
-                dirty = true;\r
-                return false;\r
-            }\r
-        });\r
-        return dirty;\r
-    },\r
-    \r
-    // private\r
-    onDisable : function(){\r
-        this.eachItem(function(item){\r
-            item.disable();\r
-        });\r
-    },\r
-\r
-    // private\r
-    onEnable : function(){\r
-        this.eachItem(function(item){\r
-            item.enable();\r
-        });\r
-    },\r
-    \r
-    // private\r
-    doLayout: function(){\r
-        if(this.rendered){\r
-            this.panel.forceLayout = this.ownerCt.forceLayout;\r
-            this.panel.doLayout();\r
-        }\r
-    },\r
-    \r
-    // private\r
-    onResize : function(w, h){\r
-        this.panel.setSize(w, h);\r
-        this.panel.doLayout();\r
-    },\r
-    \r
-    // inherit docs from Field\r
-    reset : function(){\r
-        Ext.form.CheckboxGroup.superclass.reset.call(this);\r
-        this.eachItem(function(c){\r
-            if(c.reset){\r
-                c.reset();\r
-            }\r
-        });\r
-    },\r
-    \r
-    <div id="method-Ext.form.CheckboxGroup-setValue"></div>/**\r
-     * {@link Ext.form.Checkbox#setValue Set the value(s)} of an item or items\r
-     * in the group. Examples illustrating how this method may be called:\r
-     * <pre><code>\r
-// call with name and value\r
-myCheckboxGroup.setValue('cb-col-1', true);\r
-// call with an array of boolean values \r
-myCheckboxGroup.setValue([true, false, false]);\r
-// call with an object literal specifying item:value pairs\r
-myCheckboxGroup.setValue({\r
-    'cb-col-2': false,\r
-    'cb-col-3': true\r
-});\r
-// use comma separated string to set items with name to true (checked)\r
-myCheckboxGroup.setValue('cb-col-1,cb-col-3');\r
-     * </code></pre>\r
-     * See {@link Ext.form.Checkbox#setValue} for additional information.\r
-     * @param {Mixed} id The checkbox to check, or as described by example shown.\r
-     * @param {Boolean} value (optional) The value to set the item.\r
-     * @return {Ext.form.CheckboxGroup} this\r
-     */\r
-    setValue: function(){\r
-        if(this.rendered){\r
-            this.onSetValue.apply(this, arguments);\r
-        }else{\r
-            this.buffered = true;\r
-            this.value = arguments;\r
-        }\r
-        return this;\r
-    },\r
-    \r
-    onSetValue: function(id, value){\r
-        if(arguments.length == 1){\r
-            if(Ext.isArray(id)){\r
-                // an array of boolean values\r
-                Ext.each(id, function(val, idx){\r
-                    var item = this.items.itemAt(idx);\r
-                    if(item){\r
-                        item.setValue(val);\r
-                    }\r
-                }, this);\r
-            }else if(Ext.isObject(id)){\r
-                // set of name/value pairs\r
-                for(var i in id){\r
-                    var f = this.getBox(i);\r
-                    if(f){\r
-                        f.setValue(id[i]);\r
-                    }\r
-                }\r
-            }else{\r
-                this.setValueForItem(id);\r
-            }\r
-        }else{\r
-            var f = this.getBox(id);\r
-            if(f){\r
-                f.setValue(value);\r
-            }\r
-        }\r
-    },\r
-    \r
-    // private\r
-    onDestroy: function(){\r
-        Ext.destroy(this.panel);\r
-        Ext.form.CheckboxGroup.superclass.onDestroy.call(this);\r
-\r
-    },\r
-    \r
-    setValueForItem : function(val){\r
-        val = String(val).split(',');\r
-        this.eachItem(function(item){\r
-            if(val.indexOf(item.inputValue)> -1){\r
-                item.setValue(true);\r
-            }\r
-        });\r
-    },\r
-    \r
-    // private\r
-    getBox : function(id){\r
-        var box = null;\r
-        this.eachItem(function(f){\r
-            if(id == f || f.dataIndex == id || f.id == id || f.getName() == id){\r
-                box = f;\r
-                return false;\r
-            }\r
-        });\r
-        return box;\r
-    },\r
-    \r
-    <div id="method-Ext.form.CheckboxGroup-getValue"></div>/**\r
-     * Gets an array of the selected {@link Ext.form.Checkbox} in the group.\r
-     * @return {Array} An array of the selected checkboxes.\r
-     */\r
-    getValue : function(){\r
-        var out = [];\r
-        this.eachItem(function(item){\r
-            if(item.checked){\r
-                out.push(item);\r
-            }\r
-        });\r
-        return out;\r
-    },\r
-    \r
-    // private\r
-    eachItem: function(fn){\r
-        if(this.items && this.items.each){\r
-            this.items.each(fn, this);\r
-        }\r
-    },\r
-    \r
-    <div id="cfg-Ext.form.CheckboxGroup-name"></div>/**\r
-     * @cfg {String} name\r
-     * @hide\r
-     */\r
-\r
-    <div id="method-Ext.form.CheckboxGroup-getRawValue"></div>/**\r
-     * @method getRawValue\r
-     * @hide\r
-     */\r
-    getRawValue : Ext.emptyFn,\r
-    \r
-    <div id="method-Ext.form.CheckboxGroup-setRawValue"></div>/**\r
-     * @method setRawValue\r
-     * @hide\r
-     */\r
-    setRawValue : Ext.emptyFn\r
-    \r
-});\r
-\r
-Ext.reg('checkboxgroup', Ext.form.CheckboxGroup);\r
-</pre>
+<div id="cls-Ext.form.CheckboxGroup"></div>/**
+ * @class Ext.form.CheckboxGroup
+ * @extends Ext.form.Field
+ * <p>A grouping container for {@link Ext.form.Checkbox} controls.</p>
+ * <p>Sample usage:</p>
+ * <pre><code>
+var myCheckboxGroup = new Ext.form.CheckboxGroup({
+    id:'myGroup',
+    xtype: 'checkboxgroup',
+    fieldLabel: 'Single Column',
+    itemCls: 'x-check-group-alt',
+    // Put all controls in a single column with width 100%
+    columns: 1,
+    items: [
+        {boxLabel: 'Item 1', name: 'cb-col-1'},
+        {boxLabel: 'Item 2', name: 'cb-col-2', checked: true},
+        {boxLabel: 'Item 3', name: 'cb-col-3'}
+    ]
+});
+ * </code></pre>
+ * @constructor
+ * Creates a new CheckboxGroup
+ * @param {Object} config Configuration options
+ * @xtype checkboxgroup
+ */
+Ext.form.CheckboxGroup = Ext.extend(Ext.form.Field, {
+    <div id="cfg-Ext.form.CheckboxGroup-items"></div>/**
+     * @cfg {Array} items An Array of {@link Ext.form.Checkbox Checkbox}es or Checkbox config objects
+     * to arrange in the group.
+     */
+    <div id="cfg-Ext.form.CheckboxGroup-columns"></div>/**
+     * @cfg {String/Number/Array} columns Specifies the number of columns to use when displaying grouped
+     * checkbox/radio controls using automatic layout.  This config can take several types of values:
+     * <ul><li><b>'auto'</b> : <p class="sub-desc">The controls will be rendered one per column on one row and the width
+     * of each column will be evenly distributed based on the width of the overall field container. This is the default.</p></li>
+     * <li><b>Number</b> : <p class="sub-desc">If you specific a number (e.g., 3) that number of columns will be
+     * created and the contained controls will be automatically distributed based on the value of {@link #vertical}.</p></li>
+     * <li><b>Array</b> : Object<p class="sub-desc">You can also specify an array of column widths, mixing integer
+     * (fixed width) and float (percentage width) values as needed (e.g., [100, .25, .75]). Any integer values will
+     * be rendered first, then any float values will be calculated as a percentage of the remaining space. Float
+     * values do not have to add up to 1 (100%) although if you want the controls to take up the entire field
+     * container you should do so.</p></li></ul>
+     */
+    columns : 'auto',
+    <div id="cfg-Ext.form.CheckboxGroup-vertical"></div>/**
+     * @cfg {Boolean} vertical True to distribute contained controls across columns, completely filling each column
+     * top to bottom before starting on the next column.  The number of controls in each column will be automatically
+     * calculated to keep columns as even as possible.  The default value is false, so that controls will be added
+     * to columns one at a time, completely filling each row left to right before starting on the next row.
+     */
+    vertical : false,
+    <div id="cfg-Ext.form.CheckboxGroup-allowBlank"></div>/**
+     * @cfg {Boolean} allowBlank False to validate that at least one item in the group is checked (defaults to true).
+     * If no items are selected at validation time, {@link @blankText} will be used as the error text.
+     */
+    allowBlank : true,
+    <div id="cfg-Ext.form.CheckboxGroup-blankText"></div>/**
+     * @cfg {String} blankText Error text to display if the {@link #allowBlank} validation fails (defaults to "You must
+     * select at least one item in this group")
+     */
+    blankText : "You must select at least one item in this group",
+
+    // private
+    defaultType : 'checkbox',
+
+    // private
+    groupCls : 'x-form-check-group',
+
+    // private
+    initComponent: function(){
+        this.addEvents(
+            <div id="event-Ext.form.CheckboxGroup-change"></div>/**
+             * @event change
+             * Fires when the state of a child checkbox changes.
+             * @param {Ext.form.CheckboxGroup} this
+             * @param {Array} checked An array containing the checked boxes.
+             */
+            'change'
+        );
+        this.on('change', this.validate, this);
+        Ext.form.CheckboxGroup.superclass.initComponent.call(this);
+    },
+
+    // private
+    onRender : function(ct, position){
+        if(!this.el){
+            var panelCfg = {
+                autoEl: {
+                    id: this.id
+                },
+                cls: this.groupCls,
+                layout: 'column',
+                renderTo: ct,
+                bufferResize: false // Default this to false, since it doesn't really have a proper ownerCt.
+            };
+            var colCfg = {
+                xtype: 'container',
+                defaultType: this.defaultType,
+                layout: 'form',
+                defaults: {
+                    hideLabel: true,
+                    anchor: '100%'
+                }
+            };
+
+            if(this.items[0].items){
+
+                // The container has standard ColumnLayout configs, so pass them in directly
+
+                Ext.apply(panelCfg, {
+                    layoutConfig: {columns: this.items.length},
+                    defaults: this.defaults,
+                    items: this.items
+                });
+                for(var i=0, len=this.items.length; i<len; i++){
+                    Ext.applyIf(this.items[i], colCfg);
+                }
+
+            }else{
+
+                // The container has field item configs, so we have to generate the column
+                // panels first then move the items into the columns as needed.
+
+                var numCols, cols = [];
+
+                if(typeof this.columns == 'string'){ // 'auto' so create a col per item
+                    this.columns = this.items.length;
+                }
+                if(!Ext.isArray(this.columns)){
+                    var cs = [];
+                    for(var i=0; i<this.columns; i++){
+                        cs.push((100/this.columns)*.01); // distribute by even %
+                    }
+                    this.columns = cs;
+                }
+
+                numCols = this.columns.length;
+
+                // Generate the column configs with the correct width setting
+                for(var i=0; i<numCols; i++){
+                    var cc = Ext.apply({items:[]}, colCfg);
+                    cc[this.columns[i] <= 1 ? 'columnWidth' : 'width'] = this.columns[i];
+                    if(this.defaults){
+                        cc.defaults = Ext.apply(cc.defaults || {}, this.defaults);
+                    }
+                    cols.push(cc);
+                };
+
+                // Distribute the original items into the columns
+                if(this.vertical){
+                    var rows = Math.ceil(this.items.length / numCols), ri = 0;
+                    for(var i=0, len=this.items.length; i<len; i++){
+                        if(i>0 && i%rows==0){
+                            ri++;
+                        }
+                        if(this.items[i].fieldLabel){
+                            this.items[i].hideLabel = false;
+                        }
+                        cols[ri].items.push(this.items[i]);
+                    };
+                }else{
+                    for(var i=0, len=this.items.length; i<len; i++){
+                        var ci = i % numCols;
+                        if(this.items[i].fieldLabel){
+                            this.items[i].hideLabel = false;
+                        }
+                        cols[ci].items.push(this.items[i]);
+                    };
+                }
+
+                Ext.apply(panelCfg, {
+                    layoutConfig: {columns: numCols},
+                    items: cols
+                });
+            }
+
+            this.panel = new Ext.Container(panelCfg);
+            this.panel.ownerCt = this;
+            this.el = this.panel.getEl();
+
+            if(this.forId && this.itemCls){
+                var l = this.el.up(this.itemCls).child('label', true);
+                if(l){
+                    l.setAttribute('htmlFor', this.forId);
+                }
+            }
+
+            var fields = this.panel.findBy(function(c){
+                return c.isFormField;
+            }, this);
+
+            this.items = new Ext.util.MixedCollection();
+            this.items.addAll(fields);
+        }
+        Ext.form.CheckboxGroup.superclass.onRender.call(this, ct, position);
+    },
+
+    initValue : function(){
+        if(this.value){
+            this.setValue.apply(this, this.buffered ? this.value : [this.value]);
+            delete this.buffered;
+            delete this.value;
+        }
+    },
+
+    afterRender : function(){
+        Ext.form.CheckboxGroup.superclass.afterRender.call(this);
+        this.eachItem(function(item){
+            item.on('check', this.fireChecked, this);
+            item.inGroup = true;
+        });
+    },
+
+    // private
+    doLayout: function(){
+        //ugly method required to layout hidden items
+        if(this.rendered){
+            this.panel.forceLayout = this.ownerCt.forceLayout;
+            this.panel.doLayout();
+        }
+    },
+
+    // private
+    fireChecked: function(){
+        var arr = [];
+        this.eachItem(function(item){
+            if(item.checked){
+                arr.push(item);
+            }
+        });
+        this.fireEvent('change', this, arr);
+    },
+    
+    <div id="method-Ext.form.CheckboxGroup-getErrors"></div>/**
+     * Runs CheckboxGroup's validations and returns an array of any errors. The only error by default
+     * is if allowBlank is set to true and no items are checked.
+     * @return {Array} Array of all validation errors
+     */
+    getErrors: function() {
+        var errors = Ext.form.CheckboxGroup.superclass.getErrors.apply(this, arguments);
+        
+        if (!this.allowBlank) {
+            var blank = true;
+            
+            this.eachItem(function(f){
+                if (f.checked) {
+                    return (blank = false);
+                }
+            });
+            
+            if (blank) errors.push(this.blankText);
+        }
+        
+        return errors;
+    },
+
+    // private
+    isDirty: function(){
+        //override the behaviour to check sub items.
+        if (this.disabled || !this.rendered) {
+            return false;
+        }
+
+        var dirty = false;
+        
+        this.eachItem(function(item){
+            if(item.isDirty()){
+                dirty = true;
+                return false;
+            }
+        });
+        
+        return dirty;
+    },
+
+    // private
+    setReadOnly : function(readOnly){
+        if(this.rendered){
+            this.eachItem(function(item){
+                item.setReadOnly(readOnly);
+            });
+        }
+        this.readOnly = readOnly;
+    },
+
+    // private
+    onDisable : function(){
+        this.eachItem(function(item){
+            item.disable();
+        });
+    },
+
+    // private
+    onEnable : function(){
+        this.eachItem(function(item){
+            item.enable();
+        });
+    },
+
+    // private
+    onResize : function(w, h){
+        this.panel.setSize(w, h);
+        this.panel.doLayout();
+    },
+
+    // inherit docs from Field
+    reset : function(){
+        if (this.originalValue) {
+            // Clear all items
+            this.eachItem(function(c){
+                if(c.setValue){
+                    c.setValue(false);
+                    c.originalValue = c.getValue();
+                }
+            });
+            // Set items stored in originalValue, ugly - set a flag to reset the originalValue
+            // during the horrible onSetValue.  This will allow trackResetOnLoad to function.
+            this.resetOriginal = true;
+            this.setValue(this.originalValue);
+            delete this.resetOriginal;
+        } else {
+            this.eachItem(function(c){
+                if(c.reset){
+                    c.reset();
+                }
+            });
+        }
+        // Defer the clearInvalid so if BaseForm's collection is being iterated it will be called AFTER it is complete.
+        // Important because reset is being called on both the group and the individual items.
+        (function() {
+            this.clearInvalid();
+        }).defer(50, this);
+    },
+
+    <div id="method-Ext.form.CheckboxGroup-setValue"></div>/**
+     * {@link Ext.form.Checkbox#setValue Set the value(s)} of an item or items
+     * in the group. Examples illustrating how this method may be called:
+     * <pre><code>
+// call with name and value
+myCheckboxGroup.setValue('cb-col-1', true);
+// call with an array of boolean values
+myCheckboxGroup.setValue([true, false, false]);
+// call with an object literal specifying item:value pairs
+myCheckboxGroup.setValue({
+    'cb-col-2': false,
+    'cb-col-3': true
+});
+// use comma separated string to set items with name to true (checked)
+myCheckboxGroup.setValue('cb-col-1,cb-col-3');
+     * </code></pre>
+     * See {@link Ext.form.Checkbox#setValue} for additional information.
+     * @param {Mixed} id The checkbox to check, or as described by example shown.
+     * @param {Boolean} value (optional) The value to set the item.
+     * @return {Ext.form.CheckboxGroup} this
+     */
+    setValue: function(){
+        if(this.rendered){
+            this.onSetValue.apply(this, arguments);
+        }else{
+            this.buffered = true;
+            this.value = arguments;
+        }
+        return this;
+    },
+
+    /**
+     * @private
+     * Sets the values of one or more of the items within the CheckboxGroup
+     * @param {String|Array|Object} id Can take multiple forms. Can be optionally:
+     * <ul>
+     *   <li>An ID string to be used with a second argument</li>
+     *   <li>An array of the form ['some', 'list', 'of', 'ids', 'to', 'mark', 'checked']</li>
+     *   <li>An array in the form [true, true, false, true, false] etc, where each item relates to the check status of
+     *       the checkbox at the same index</li>
+     *   <li>An object containing ids of the checkboxes as keys and check values as properties</li>
+     * </ul>
+     * @param {String} value The value to set the field to if the first argument was a string
+     */
+    onSetValue: function(id, value){
+        if(arguments.length == 1){
+            if(Ext.isArray(id)){
+                Ext.each(id, function(val, idx){
+                    if (Ext.isObject(val) && val.setValue){ // array of checkbox components to be checked
+                        val.setValue(true);
+                        if (this.resetOriginal === true) {
+                            val.originalValue = val.getValue();
+                        }
+                    } else { // an array of boolean values
+                        var item = this.items.itemAt(idx);
+                        if(item){
+                            item.setValue(val);
+                        }
+                    }
+                }, this);
+            }else if(Ext.isObject(id)){
+                // set of name/value pairs
+                for(var i in id){
+                    var f = this.getBox(i);
+                    if(f){
+                        f.setValue(id[i]);
+                    }
+                }
+            }else{
+                this.setValueForItem(id);
+            }
+        }else{
+            var f = this.getBox(id);
+            if(f){
+                f.setValue(value);
+            }
+        }
+    },
+
+    // private
+    beforeDestroy: function(){
+        Ext.destroy(this.panel);
+        Ext.form.CheckboxGroup.superclass.beforeDestroy.call(this);
+
+    },
+
+    setValueForItem : function(val){
+        val = String(val).split(',');
+        this.eachItem(function(item){
+            if(val.indexOf(item.inputValue)> -1){
+                item.setValue(true);
+            }
+        });
+    },
+
+    // private
+    getBox : function(id){
+        var box = null;
+        this.eachItem(function(f){
+            if(id == f || f.dataIndex == id || f.id == id || f.getName() == id){
+                box = f;
+                return false;
+            }
+        });
+        return box;
+    },
+
+    <div id="method-Ext.form.CheckboxGroup-getValue"></div>/**
+     * Gets an array of the selected {@link Ext.form.Checkbox} in the group.
+     * @return {Array} An array of the selected checkboxes.
+     */
+    getValue : function(){
+        var out = [];
+        this.eachItem(function(item){
+            if(item.checked){
+                out.push(item);
+            }
+        });
+        return out;
+    },
+
+    /**
+     * @private
+     * Convenience function which passes the given function to every item in the composite
+     * @param {Function} fn The function to call
+     * @param {Object} scope Optional scope object
+     */
+    eachItem: function(fn, scope) {
+        if(this.items && this.items.each){
+            this.items.each(fn, scope || this);
+        }
+    },
+
+    <div id="cfg-Ext.form.CheckboxGroup-name"></div>/**
+     * @cfg {String} name
+     * @hide
+     */
+
+    <div id="method-Ext.form.CheckboxGroup-getRawValue"></div>/**
+     * @method getRawValue
+     * @hide
+     */
+    getRawValue : Ext.emptyFn,
+
+    <div id="method-Ext.form.CheckboxGroup-setRawValue"></div>/**
+     * @method setRawValue
+     * @hide
+     */
+    setRawValue : Ext.emptyFn
+
+});
+
+Ext.reg('checkboxgroup', Ext.form.CheckboxGroup);
+</pre>    
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