Upgrade to ExtJS 3.2.1 - Released 04/27/2010
[extjs.git] / docs / source / CheckboxGroup.html
index b0b8c28..d3da0da 100644 (file)
@@ -1,11 +1,18 @@
-<html>\r
-<head>\r
-  <title>The source code</title>\r
-    <link href="../resources/prettify/prettify.css" type="text/css" rel="stylesheet" />\r
-    <script type="text/javascript" src="../resources/prettify/prettify.js"></script>\r
-</head>\r
-<body  onload="prettyPrint();">\r
-    <pre class="prettyprint lang-js"><div id="cls-Ext.form.CheckboxGroup"></div>/**
+<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>
+</head>
+<body  onload="prettyPrint();">
+    <pre class="prettyprint lang-js">/*!
+ * Ext JS Library 3.2.1
+ * Copyright(c) 2006-2010 Ext JS, Inc.
+ * licensing@extjs.com
+ * http://www.extjs.com/license
+ */
+<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>
@@ -40,7 +47,7 @@ Ext.form.CheckboxGroup = Ext.extend(Ext.form.Field, {
      * 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 
+     * <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
@@ -50,7 +57,7 @@ Ext.form.CheckboxGroup = Ext.extend(Ext.form.Field, {
      */
     columns : 'auto',
     <div id="cfg-Ext.form.CheckboxGroup-vertical"></div>/**
-     * @cfg {Boolean} vertical True to distribute contained controls across columns, completely filling each column 
+     * @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.
@@ -62,17 +69,17 @@ Ext.form.CheckboxGroup = Ext.extend(Ext.form.Field, {
      */
     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 
+     * @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(
@@ -83,33 +90,37 @@ Ext.form.CheckboxGroup = Ext.extend(Ext.form.Field, {
              * @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',
-                border: false,
-                renderTo: ct
+                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',
-                border: false,
                 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,
@@ -118,14 +129,14 @@ Ext.form.CheckboxGroup = Ext.extend(Ext.form.Field, {
                 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;
                 }
@@ -136,19 +147,19 @@ Ext.form.CheckboxGroup = Ext.extend(Ext.form.Field, {
                     }
                     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)
+                        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;
@@ -170,46 +181,50 @@ Ext.form.CheckboxGroup = Ext.extend(Ext.form.Field, {
                         cols[ci].items.push(this.items[i]);
                     };
                 }
-                
+
                 Ext.apply(panelCfg, {
                     layoutConfig: {columns: numCols},
                     items: cols
                 });
             }
-            
-            this.panel = new Ext.Panel(panelCfg);
+
+            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);
-        if(this.values){
-            this.setValue.apply(this, this.values);
-            delete this.values;
-        }
         this.eachItem(function(item){
             item.on('check', this.fireChecked, this);
             item.inGroup = true;
         });
     },
-    
+
     // private
     doLayout: function(){
         //ugly method required to layout hidden items
@@ -218,7 +233,7 @@ Ext.form.CheckboxGroup = Ext.extend(Ext.form.Field, {
             this.panel.doLayout();
         }
     },
-    
+
     // private
     fireChecked: function(){
         var arr = [];
@@ -230,23 +245,58 @@ Ext.form.CheckboxGroup = Ext.extend(Ext.form.Field, {
         this.fireEvent('change', this, arr);
     },
     
-    // private
-    validateValue : function(value){
-        if(!this.allowBlank){
+    <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){
+                if (f.checked) {
                     return (blank = false);
                 }
             });
-            if(blank){
-                this.markInvalid(this.blankText);
+            
+            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);
+            });
         }
-        return true;
+        this.readOnly = readOnly;
     },
-    
+
     // private
     onDisable : function(){
         this.eachItem(function(item){
@@ -260,38 +310,49 @@ Ext.form.CheckboxGroup = Ext.extend(Ext.form.Field, {
             item.enable();
         });
     },
-    
-    // private
-    doLayout: function(){
-        if(this.rendered){
-            this.panel.forceLayout = this.ownerCt.forceLayout;
-            this.panel.doLayout();
-        }
-    },
-    
+
     // private
     onResize : function(w, h){
         this.panel.setSize(w, h);
         this.panel.doLayout();
     },
-    
+
     // inherit docs from Field
     reset : function(){
-        Ext.form.CheckboxGroup.superclass.reset.call(this);
-        this.eachItem(function(c){
-            if(c.reset){
-                c.reset();
-            }
-        });
+        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 
+// call with an array of boolean values
 myCheckboxGroup.setValue([true, false, false]);
 // call with an object literal specifying item:value pairs
 myCheckboxGroup.setValue({
@@ -306,47 +367,71 @@ myCheckboxGroup.setValue('cb-col-1,cb-col-3');
      * @param {Boolean} value (optional) The value to set the item.
      * @return {Ext.form.CheckboxGroup} this
      */
-    setValue : function(id, value){
+    setValue: function(){
         if(this.rendered){
-            if(arguments.length == 1){
-                if(Ext.isArray(id)){
-                    //an array of boolean values
-                    Ext.each(id, function(val, idx){
+            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);
+                }, 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{
-                var f = this.getBox(id);
-                if(f){
-                    f.setValue(value);
-                }
+                this.setValueForItem(id);
             }
         }else{
-            this.values = arguments;
+            var f = this.getBox(id);
+            if(f){
+                f.setValue(value);
+            }
         }
-        return this;
     },
-    
+
     // private
-    onDestroy: function(){
+    beforeDestroy: function(){
         Ext.destroy(this.panel);
-        Ext.form.CheckboxGroup.superclass.onDestroy.call(this);
+        Ext.form.CheckboxGroup.superclass.beforeDestroy.call(this);
 
     },
-    
+
     setValueForItem : function(val){
         val = String(val).split(',');
         this.eachItem(function(item){
@@ -355,7 +440,7 @@ myCheckboxGroup.setValue('cb-col-1,cb-col-3');
             }
         });
     },
-    
+
     // private
     getBox : function(id){
         var box = null;
@@ -367,8 +452,8 @@ myCheckboxGroup.setValue('cb-col-1,cb-col-3');
         });
         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.
      */
@@ -381,43 +466,39 @@ myCheckboxGroup.setValue('cb-col-1,cb-col-3');
         });
         return out;
     },
-    
-    // private
-    eachItem: function(fn){
+
+    /**
+     * @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, this);
+            this.items.each(fn, scope || this);
         }
     },
-    
+
     <div id="cfg-Ext.form.CheckboxGroup-name"></div>/**
      * @cfg {String} name
      * @hide
      */
-    <div id="method-Ext.form.CheckboxGroup-initValue"></div>/**
-     * @method initValue
-     * @hide
-     */
-    initValue : Ext.emptyFn,
-    <div id="method-Ext.form.CheckboxGroup-getValue"></div>/**
-     * @method getValue
-     * @hide
-     */
-    getValue : Ext.emptyFn,
+
     <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>    \r
-</body>\r
+</pre>    
+</body>
 </html>
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