[625] | 1 | /*! |
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| 2 | * Ext JS Library 3.0.0 |
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| 3 | * Copyright(c) 2006-2009 Ext JS, LLC |
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| 4 | * licensing@extjs.com |
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| 5 | * http://www.extjs.com/license |
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| 6 | */ |
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| 7 | /** |
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| 8 | * @class Ext.form.CheckboxGroup |
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| 9 | * @extends Ext.form.Field |
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| 10 | * <p>A grouping container for {@link Ext.form.Checkbox} controls.</p> |
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| 11 | * <p>Sample usage:</p> |
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| 12 | * <pre><code> |
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| 13 | var myCheckboxGroup = new Ext.form.CheckboxGroup({ |
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| 14 | id:'myGroup', |
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| 15 | xtype: 'checkboxgroup', |
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| 16 | fieldLabel: 'Single Column', |
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| 17 | itemCls: 'x-check-group-alt', |
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| 18 | // Put all controls in a single column with width 100% |
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| 19 | columns: 1, |
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| 20 | items: [ |
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| 21 | {boxLabel: 'Item 1', name: 'cb-col-1'}, |
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| 22 | {boxLabel: 'Item 2', name: 'cb-col-2', checked: true}, |
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| 23 | {boxLabel: 'Item 3', name: 'cb-col-3'} |
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| 24 | ] |
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| 25 | }); |
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| 26 | * </code></pre> |
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| 27 | * @constructor |
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| 28 | * Creates a new CheckboxGroup |
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| 29 | * @param {Object} config Configuration options |
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| 30 | * @xtype checkboxgroup |
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| 31 | */ |
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| 32 | Ext.form.CheckboxGroup = Ext.extend(Ext.form.Field, { |
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| 33 | /** |
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| 34 | * @cfg {Array} items An Array of {@link Ext.form.Checkbox Checkbox}es or Checkbox config objects |
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| 35 | * to arrange in the group. |
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| 36 | */ |
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| 37 | /** |
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| 38 | * @cfg {String/Number/Array} columns Specifies the number of columns to use when displaying grouped |
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| 39 | * checkbox/radio controls using automatic layout. This config can take several types of values: |
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| 40 | * <ul><li><b>'auto'</b> : <p class="sub-desc">The controls will be rendered one per column on one row and the width |
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| 41 | * of each column will be evenly distributed based on the width of the overall field container. This is the default.</p></li> |
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| 42 | * <li><b>Number</b> : <p class="sub-desc">If you specific a number (e.g., 3) that number of columns will be |
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| 43 | * created and the contained controls will be automatically distributed based on the value of {@link #vertical}.</p></li> |
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| 44 | * <li><b>Array</b> : Object<p class="sub-desc">You can also specify an array of column widths, mixing integer |
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| 45 | * (fixed width) and float (percentage width) values as needed (e.g., [100, .25, .75]). Any integer values will |
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| 46 | * be rendered first, then any float values will be calculated as a percentage of the remaining space. Float |
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| 47 | * values do not have to add up to 1 (100%) although if you want the controls to take up the entire field |
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| 48 | * container you should do so.</p></li></ul> |
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| 49 | */ |
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| 50 | columns : 'auto', |
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| 51 | /** |
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| 52 | * @cfg {Boolean} vertical True to distribute contained controls across columns, completely filling each column |
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| 53 | * top to bottom before starting on the next column. The number of controls in each column will be automatically |
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| 54 | * calculated to keep columns as even as possible. The default value is false, so that controls will be added |
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| 55 | * to columns one at a time, completely filling each row left to right before starting on the next row. |
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| 56 | */ |
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| 57 | vertical : false, |
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| 58 | /** |
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| 59 | * @cfg {Boolean} allowBlank False to validate that at least one item in the group is checked (defaults to true). |
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| 60 | * If no items are selected at validation time, {@link @blankText} will be used as the error text. |
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| 61 | */ |
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| 62 | allowBlank : true, |
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| 63 | /** |
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| 64 | * @cfg {String} blankText Error text to display if the {@link #allowBlank} validation fails (defaults to "You must |
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| 65 | * select at least one item in this group") |
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| 66 | */ |
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| 67 | blankText : "You must select at least one item in this group", |
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| 68 | |
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| 69 | // private |
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| 70 | defaultType : 'checkbox', |
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| 71 | |
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| 72 | // private |
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| 73 | groupCls : 'x-form-check-group', |
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| 74 | |
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| 75 | // private |
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| 76 | initComponent: function(){ |
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| 77 | this.addEvents( |
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| 78 | /** |
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| 79 | * @event change |
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| 80 | * Fires when the state of a child checkbox changes. |
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| 81 | * @param {Ext.form.CheckboxGroup} this |
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| 82 | * @param {Array} checked An array containing the checked boxes. |
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| 83 | */ |
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| 84 | 'change' |
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| 85 | ); |
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| 86 | Ext.form.CheckboxGroup.superclass.initComponent.call(this); |
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| 87 | }, |
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| 88 | |
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| 89 | // private |
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| 90 | onRender : function(ct, position){ |
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| 91 | if(!this.el){ |
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| 92 | var panelCfg = { |
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| 93 | cls: this.groupCls, |
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| 94 | layout: 'column', |
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| 95 | border: false, |
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| 96 | renderTo: ct |
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| 97 | }; |
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| 98 | var colCfg = { |
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| 99 | defaultType: this.defaultType, |
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| 100 | layout: 'form', |
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| 101 | border: false, |
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| 102 | defaults: { |
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| 103 | hideLabel: true, |
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| 104 | anchor: '100%' |
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| 105 | } |
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| 106 | }; |
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| 107 | |
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| 108 | if(this.items[0].items){ |
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| 109 | |
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| 110 | // The container has standard ColumnLayout configs, so pass them in directly |
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| 111 | |
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| 112 | Ext.apply(panelCfg, { |
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| 113 | layoutConfig: {columns: this.items.length}, |
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| 114 | defaults: this.defaults, |
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| 115 | items: this.items |
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| 116 | }); |
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| 117 | for(var i=0, len=this.items.length; i<len; i++){ |
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| 118 | Ext.applyIf(this.items[i], colCfg); |
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| 119 | } |
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| 120 | |
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| 121 | }else{ |
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| 122 | |
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| 123 | // The container has field item configs, so we have to generate the column |
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| 124 | // panels first then move the items into the columns as needed. |
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| 125 | |
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| 126 | var numCols, cols = []; |
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| 127 | |
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| 128 | if(typeof this.columns == 'string'){ // 'auto' so create a col per item |
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| 129 | this.columns = this.items.length; |
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| 130 | } |
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| 131 | if(!Ext.isArray(this.columns)){ |
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| 132 | var cs = []; |
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| 133 | for(var i=0; i<this.columns; i++){ |
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| 134 | cs.push((100/this.columns)*.01); // distribute by even % |
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| 135 | } |
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| 136 | this.columns = cs; |
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| 137 | } |
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| 138 | |
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| 139 | numCols = this.columns.length; |
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| 140 | |
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| 141 | // Generate the column configs with the correct width setting |
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| 142 | for(var i=0; i<numCols; i++){ |
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| 143 | var cc = Ext.apply({items:[]}, colCfg); |
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| 144 | cc[this.columns[i] <= 1 ? 'columnWidth' : 'width'] = this.columns[i]; |
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| 145 | if(this.defaults){ |
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| 146 | cc.defaults = Ext.apply(cc.defaults || {}, this.defaults) |
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| 147 | } |
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| 148 | cols.push(cc); |
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| 149 | }; |
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| 150 | |
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| 151 | // Distribute the original items into the columns |
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| 152 | if(this.vertical){ |
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| 153 | var rows = Math.ceil(this.items.length / numCols), ri = 0; |
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| 154 | for(var i=0, len=this.items.length; i<len; i++){ |
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| 155 | if(i>0 && i%rows==0){ |
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| 156 | ri++; |
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| 157 | } |
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| 158 | if(this.items[i].fieldLabel){ |
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| 159 | this.items[i].hideLabel = false; |
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| 160 | } |
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| 161 | cols[ri].items.push(this.items[i]); |
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| 162 | }; |
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| 163 | }else{ |
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| 164 | for(var i=0, len=this.items.length; i<len; i++){ |
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| 165 | var ci = i % numCols; |
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| 166 | if(this.items[i].fieldLabel){ |
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| 167 | this.items[i].hideLabel = false; |
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| 168 | } |
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| 169 | cols[ci].items.push(this.items[i]); |
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| 170 | }; |
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| 171 | } |
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| 172 | |
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| 173 | Ext.apply(panelCfg, { |
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| 174 | layoutConfig: {columns: numCols}, |
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| 175 | items: cols |
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| 176 | }); |
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| 177 | } |
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| 178 | |
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| 179 | this.panel = new Ext.Panel(panelCfg); |
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| 180 | this.panel.ownerCt = this; |
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| 181 | this.el = this.panel.getEl(); |
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| 182 | |
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| 183 | if(this.forId && this.itemCls){ |
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| 184 | var l = this.el.up(this.itemCls).child('label', true); |
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| 185 | if(l){ |
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| 186 | l.setAttribute('htmlFor', this.forId); |
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| 187 | } |
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| 188 | } |
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| 189 | |
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| 190 | var fields = this.panel.findBy(function(c){ |
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| 191 | return c.isFormField; |
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| 192 | }, this); |
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| 193 | |
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| 194 | this.items = new Ext.util.MixedCollection(); |
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| 195 | this.items.addAll(fields); |
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| 196 | } |
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| 197 | Ext.form.CheckboxGroup.superclass.onRender.call(this, ct, position); |
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| 198 | }, |
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| 199 | |
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| 200 | afterRender : function(){ |
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| 201 | Ext.form.CheckboxGroup.superclass.afterRender.call(this); |
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| 202 | if(this.values){ |
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| 203 | this.setValue.apply(this, this.values); |
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| 204 | delete this.values; |
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| 205 | } |
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| 206 | this.eachItem(function(item){ |
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| 207 | item.on('check', this.fireChecked, this); |
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| 208 | item.inGroup = true; |
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| 209 | }); |
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| 210 | }, |
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| 211 | |
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| 212 | // private |
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| 213 | doLayout: function(){ |
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| 214 | //ugly method required to layout hidden items |
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| 215 | if(this.rendered){ |
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| 216 | this.panel.forceLayout = this.ownerCt.forceLayout; |
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| 217 | this.panel.doLayout(); |
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| 218 | } |
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| 219 | }, |
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| 220 | |
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| 221 | // private |
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| 222 | fireChecked: function(){ |
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| 223 | var arr = []; |
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| 224 | this.eachItem(function(item){ |
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| 225 | if(item.checked){ |
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| 226 | arr.push(item); |
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| 227 | } |
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| 228 | }); |
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| 229 | this.fireEvent('change', this, arr); |
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| 230 | }, |
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| 231 | |
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| 232 | // private |
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| 233 | validateValue : function(value){ |
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| 234 | if(!this.allowBlank){ |
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| 235 | var blank = true; |
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| 236 | this.eachItem(function(f){ |
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| 237 | if(f.checked){ |
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| 238 | return (blank = false); |
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| 239 | } |
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| 240 | }); |
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| 241 | if(blank){ |
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| 242 | this.markInvalid(this.blankText); |
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| 243 | return false; |
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| 244 | } |
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| 245 | } |
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| 246 | return true; |
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| 247 | }, |
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| 248 | |
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| 249 | // private |
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| 250 | onDisable : function(){ |
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| 251 | this.eachItem(function(item){ |
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| 252 | item.disable(); |
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| 253 | }); |
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| 254 | }, |
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| 255 | |
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| 256 | // private |
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| 257 | onEnable : function(){ |
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| 258 | this.eachItem(function(item){ |
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| 259 | item.enable(); |
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| 260 | }); |
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| 261 | }, |
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| 262 | |
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| 263 | // private |
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| 264 | doLayout: function(){ |
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| 265 | if(this.rendered){ |
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| 266 | this.panel.forceLayout = this.ownerCt.forceLayout; |
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| 267 | this.panel.doLayout(); |
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| 268 | } |
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| 269 | }, |
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| 270 | |
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| 271 | // private |
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| 272 | onResize : function(w, h){ |
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| 273 | this.panel.setSize(w, h); |
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| 274 | this.panel.doLayout(); |
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| 275 | }, |
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| 276 | |
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| 277 | // inherit docs from Field |
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| 278 | reset : function(){ |
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| 279 | Ext.form.CheckboxGroup.superclass.reset.call(this); |
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| 280 | this.eachItem(function(c){ |
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| 281 | if(c.reset){ |
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| 282 | c.reset(); |
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| 283 | } |
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| 284 | }); |
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| 285 | }, |
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| 286 | |
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| 287 | /** |
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| 288 | * {@link Ext.form.Checkbox#setValue Set the value(s)} of an item or items |
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| 289 | * in the group. Examples illustrating how this method may be called: |
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| 290 | * <pre><code> |
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| 291 | // call with name and value |
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| 292 | myCheckboxGroup.setValue('cb-col-1', true); |
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| 293 | // call with an array of boolean values |
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| 294 | myCheckboxGroup.setValue([true, false, false]); |
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| 295 | // call with an object literal specifying item:value pairs |
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| 296 | myCheckboxGroup.setValue({ |
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| 297 | 'cb-col-2': false, |
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| 298 | 'cb-col-3': true |
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| 299 | }); |
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| 300 | // use comma separated string to set items with name to true (checked) |
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| 301 | myCheckboxGroup.setValue('cb-col-1,cb-col-3'); |
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| 302 | * </code></pre> |
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| 303 | * See {@link Ext.form.Checkbox#setValue} for additional information. |
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| 304 | * @param {Mixed} id The checkbox to check, or as described by example shown. |
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| 305 | * @param {Boolean} value (optional) The value to set the item. |
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| 306 | * @return {Ext.form.CheckboxGroup} this |
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| 307 | */ |
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| 308 | setValue : function(id, value){ |
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| 309 | if(this.rendered){ |
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| 310 | if(arguments.length == 1){ |
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| 311 | if(Ext.isArray(id)){ |
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| 312 | //an array of boolean values |
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| 313 | Ext.each(id, function(val, idx){ |
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| 314 | var item = this.items.itemAt(idx); |
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| 315 | if(item){ |
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| 316 | item.setValue(val); |
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| 317 | } |
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| 318 | }, this); |
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| 319 | }else if(Ext.isObject(id)){ |
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| 320 | //set of name/value pairs |
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| 321 | for(var i in id){ |
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| 322 | var f = this.getBox(i); |
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| 323 | if(f){ |
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| 324 | f.setValue(id[i]); |
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| 325 | } |
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| 326 | } |
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| 327 | }else{ |
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| 328 | this.setValueForItem(id); |
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| 329 | } |
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| 330 | }else{ |
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| 331 | var f = this.getBox(id); |
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| 332 | if(f){ |
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| 333 | f.setValue(value); |
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| 334 | } |
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| 335 | } |
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| 336 | }else{ |
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| 337 | this.values = arguments; |
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| 338 | } |
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| 339 | return this; |
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| 340 | }, |
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| 341 | |
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| 342 | // private |
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| 343 | onDestroy: function(){ |
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| 344 | Ext.destroy(this.panel); |
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| 345 | Ext.form.CheckboxGroup.superclass.onDestroy.call(this); |
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| 346 | |
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| 347 | }, |
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| 348 | |
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| 349 | setValueForItem : function(val){ |
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| 350 | val = String(val).split(','); |
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| 351 | this.eachItem(function(item){ |
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| 352 | if(val.indexOf(item.inputValue)> -1){ |
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| 353 | item.setValue(true); |
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| 354 | } |
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| 355 | }); |
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| 356 | }, |
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| 357 | |
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| 358 | // private |
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| 359 | getBox : function(id){ |
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| 360 | var box = null; |
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| 361 | this.eachItem(function(f){ |
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| 362 | if(id == f || f.dataIndex == id || f.id == id || f.getName() == id){ |
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| 363 | box = f; |
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| 364 | return false; |
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| 365 | } |
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| 366 | }); |
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| 367 | return box; |
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| 368 | }, |
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| 369 | |
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| 370 | /** |
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| 371 | * Gets an array of the selected {@link Ext.form.Checkbox} in the group. |
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| 372 | * @return {Array} An array of the selected checkboxes. |
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| 373 | */ |
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| 374 | getValue : function(){ |
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| 375 | var out = []; |
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| 376 | this.eachItem(function(item){ |
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| 377 | if(item.checked){ |
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| 378 | out.push(item); |
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| 379 | } |
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| 380 | }); |
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| 381 | return out; |
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| 382 | }, |
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| 383 | |
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| 384 | // private |
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| 385 | eachItem: function(fn){ |
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| 386 | if(this.items && this.items.each){ |
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| 387 | this.items.each(fn, this); |
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| 388 | } |
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| 389 | }, |
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| 390 | |
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| 391 | /** |
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| 392 | * @cfg {String} name |
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| 393 | * @hide |
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| 394 | */ |
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| 395 | /** |
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| 396 | * @method initValue |
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| 397 | * @hide |
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| 398 | */ |
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| 399 | initValue : Ext.emptyFn, |
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| 400 | /** |
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| 401 | * @method getValue |
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| 402 | * @hide |
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| 403 | */ |
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| 404 | getValue : Ext.emptyFn, |
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| 405 | /** |
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| 406 | * @method getRawValue |
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| 407 | * @hide |
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| 408 | */ |
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| 409 | getRawValue : Ext.emptyFn, |
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| 410 | |
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| 411 | /** |
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| 412 | * @method setRawValue |
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| 413 | * @hide |
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| 414 | */ |
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| 415 | setRawValue : Ext.emptyFn |
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| 416 | |
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| 417 | }); |
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| 418 | |
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| 419 | Ext.reg('checkboxgroup', Ext.form.CheckboxGroup); |
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