[76] | 1 | /*! |
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| 2 | * Ext JS Library 3.4.0 |
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| 3 | * Copyright(c) 2006-2011 Sencha Inc. |
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| 4 | * licensing@sencha.com |
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| 5 | * http://www.sencha.com/license |
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| 6 | */ |
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| 7 | /** |
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| 8 | * @class Ext.form.Checkbox |
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| 9 | * @extends Ext.form.Field |
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| 10 | * Single checkbox field. Can be used as a direct replacement for traditional checkbox fields. |
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| 11 | * @constructor |
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| 12 | * Creates a new Checkbox |
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| 13 | * @param {Object} config Configuration options |
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| 14 | * @xtype checkbox |
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| 15 | */ |
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| 16 | Ext.form.Checkbox = Ext.extend(Ext.form.Field, { |
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| 17 | /** |
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| 18 | * @cfg {String} focusClass The CSS class to use when the checkbox receives focus (defaults to undefined) |
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| 19 | */ |
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| 20 | focusClass : undefined, |
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| 21 | /** |
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| 22 | * @cfg {String} fieldClass The default CSS class for the checkbox (defaults to 'x-form-field') |
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| 23 | */ |
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| 24 | fieldClass : 'x-form-field', |
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| 25 | /** |
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| 26 | * @cfg {Boolean} checked <tt>true</tt> if the checkbox should render initially checked (defaults to <tt>false</tt>) |
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| 27 | */ |
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| 28 | checked : false, |
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| 29 | /** |
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| 30 | * @cfg {String} boxLabel The text that appears beside the checkbox |
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| 31 | */ |
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| 32 | boxLabel: ' ', |
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| 33 | /** |
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| 34 | * @cfg {String/Object} autoCreate A DomHelper element spec, or true for a default element spec (defaults to |
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| 35 | * {tag: 'input', type: 'checkbox', autocomplete: 'off'}) |
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| 36 | */ |
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| 37 | defaultAutoCreate : { tag: 'input', type: 'checkbox', autocomplete: 'off'}, |
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| 38 | /** |
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| 39 | * @cfg {String} inputValue The value that should go into the generated input element's value attribute |
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| 40 | */ |
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| 41 | /** |
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| 42 | * @cfg {Function} handler A function called when the {@link #checked} value changes (can be used instead of |
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| 43 | * handling the check event). The handler is passed the following parameters: |
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| 44 | * <div class="mdetail-params"><ul> |
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| 45 | * <li><b>checkbox</b> : Ext.form.Checkbox<div class="sub-desc">The Checkbox being toggled.</div></li> |
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| 46 | * <li><b>checked</b> : Boolean<div class="sub-desc">The new checked state of the checkbox.</div></li> |
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| 47 | * </ul></div> |
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| 48 | */ |
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| 49 | /** |
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| 50 | * @cfg {Object} scope An object to use as the scope ('this' reference) of the {@link #handler} function |
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| 51 | * (defaults to this Checkbox). |
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| 52 | */ |
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| 53 | |
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| 54 | // private |
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| 55 | actionMode : 'wrap', |
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| 56 | |
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| 57 | // private |
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| 58 | initComponent : function(){ |
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| 59 | Ext.form.Checkbox.superclass.initComponent.call(this); |
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| 60 | this.addEvents( |
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| 61 | /** |
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| 62 | * @event check |
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| 63 | * Fires when the checkbox is checked or unchecked. |
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| 64 | * @param {Ext.form.Checkbox} this This checkbox |
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| 65 | * @param {Boolean} checked The new checked value |
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| 66 | */ |
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| 67 | 'check' |
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| 68 | ); |
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| 69 | }, |
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| 70 | |
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| 71 | // private |
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| 72 | onResize : function(){ |
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| 73 | Ext.form.Checkbox.superclass.onResize.apply(this, arguments); |
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| 74 | if(!this.boxLabel && !this.fieldLabel){ |
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| 75 | this.el.alignTo(this.wrap, 'c-c'); |
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| 76 | } |
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| 77 | }, |
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| 78 | |
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| 79 | // private |
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| 80 | initEvents : function(){ |
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| 81 | Ext.form.Checkbox.superclass.initEvents.call(this); |
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| 82 | this.mon(this.el, { |
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| 83 | scope: this, |
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| 84 | click: this.onClick, |
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| 85 | change: this.onClick |
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| 86 | }); |
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| 87 | }, |
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| 88 | |
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| 89 | /** |
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| 90 | * @hide |
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| 91 | * Overridden and disabled. The editor element does not support standard valid/invalid marking. |
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| 92 | * @method |
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| 93 | */ |
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| 94 | markInvalid : Ext.emptyFn, |
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| 95 | /** |
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| 96 | * @hide |
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| 97 | * Overridden and disabled. The editor element does not support standard valid/invalid marking. |
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| 98 | * @method |
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| 99 | */ |
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| 100 | clearInvalid : Ext.emptyFn, |
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| 101 | |
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| 102 | // private |
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| 103 | onRender : function(ct, position){ |
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| 104 | Ext.form.Checkbox.superclass.onRender.call(this, ct, position); |
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| 105 | if(this.inputValue !== undefined){ |
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| 106 | this.el.dom.value = this.inputValue; |
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| 107 | } |
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| 108 | this.wrap = this.el.wrap({cls: 'x-form-check-wrap'}); |
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| 109 | if(this.boxLabel){ |
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| 110 | this.wrap.createChild({tag: 'label', htmlFor: this.el.id, cls: 'x-form-cb-label', html: this.boxLabel}); |
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| 111 | } |
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| 112 | if(this.checked){ |
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| 113 | this.setValue(true); |
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| 114 | }else{ |
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| 115 | this.checked = this.el.dom.checked; |
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| 116 | } |
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| 117 | // Need to repaint for IE, otherwise positioning is broken |
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| 118 | if (Ext.isIE && !Ext.isStrict) { |
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| 119 | this.wrap.repaint(); |
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| 120 | } |
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| 121 | this.resizeEl = this.positionEl = this.wrap; |
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| 122 | }, |
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| 123 | |
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| 124 | // private |
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| 125 | onDestroy : function(){ |
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| 126 | Ext.destroy(this.wrap); |
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| 127 | Ext.form.Checkbox.superclass.onDestroy.call(this); |
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| 128 | }, |
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| 129 | |
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| 130 | // private |
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| 131 | initValue : function() { |
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| 132 | this.originalValue = this.getValue(); |
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| 133 | }, |
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| 134 | |
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| 135 | /** |
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| 136 | * Returns the checked state of the checkbox. |
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| 137 | * @return {Boolean} True if checked, else false |
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| 138 | */ |
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| 139 | getValue : function(){ |
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| 140 | if(this.rendered){ |
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| 141 | return this.el.dom.checked; |
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| 142 | } |
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| 143 | return this.checked; |
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| 144 | }, |
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| 145 | |
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| 146 | // private |
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| 147 | onClick : function(){ |
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| 148 | if(this.el.dom.checked != this.checked){ |
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| 149 | this.setValue(this.el.dom.checked); |
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| 150 | } |
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| 151 | }, |
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| 152 | |
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| 153 | /** |
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| 154 | * Sets the checked state of the checkbox, fires the 'check' event, and calls a |
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| 155 | * <code>{@link #handler}</code> (if configured). |
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| 156 | * @param {Boolean/String} checked The following values will check the checkbox: |
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| 157 | * <code>true, 'true', '1', or 'on'</code>. Any other value will uncheck the checkbox. |
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| 158 | * @return {Ext.form.Field} this |
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| 159 | */ |
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| 160 | setValue : function(v){ |
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| 161 | var checked = this.checked, |
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| 162 | inputVal = this.inputValue; |
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| 163 | |
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| 164 | if (v === false) { |
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| 165 | this.checked = false; |
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| 166 | } else { |
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| 167 | this.checked = (v === true || v === 'true' || v == '1' || (inputVal ? v == inputVal : String(v).toLowerCase() == 'on')); |
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| 168 | } |
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| 169 | |
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| 170 | if(this.rendered){ |
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| 171 | this.el.dom.checked = this.checked; |
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| 172 | this.el.dom.defaultChecked = this.checked; |
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| 173 | } |
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| 174 | if(checked != this.checked){ |
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| 175 | this.fireEvent('check', this, this.checked); |
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| 176 | if(this.handler){ |
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| 177 | this.handler.call(this.scope || this, this, this.checked); |
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| 178 | } |
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| 179 | } |
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| 180 | return this; |
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| 181 | } |
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| 182 | }); |
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| 183 | Ext.reg('checkbox', Ext.form.Checkbox); |
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