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.Field |
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9 | * @extends Ext.BoxComponent |
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10 | * Base class for form fields that provides default event handling, sizing, value handling and other functionality. |
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11 | * @constructor |
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12 | * Creates a new Field |
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13 | * @param {Object} config Configuration options |
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14 | * @xtype field |
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15 | */ |
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16 | Ext.form.Field = Ext.extend(Ext.BoxComponent, { |
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17 | /** |
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18 | * @cfg {String} inputType The type attribute for input fields -- e.g. radio, text, password, file (defaults |
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19 | * to "text"). The types "file" and "password" must be used to render those field types currently -- there are |
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20 | * no separate Ext components for those. Note that if you use <tt>inputType:'file'</tt>, {@link #emptyText} |
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21 | * is not supported and should be avoided. |
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22 | */ |
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23 | /** |
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24 | * @cfg {Number} tabIndex The tabIndex for this field. Note this only applies to fields that are rendered, |
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25 | * not those which are built via applyTo (defaults to undefined). |
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26 | */ |
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27 | /** |
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28 | * @cfg {Mixed} value A value to initialize this field with (defaults to undefined). |
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29 | */ |
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30 | /** |
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31 | * @cfg {String} name The field's HTML name attribute (defaults to ""). |
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32 | * <b>Note</b>: this property must be set if this field is to be automatically included with |
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33 | * {@link Ext.form.BasicForm#submit form submit()}. |
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34 | */ |
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35 | /** |
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36 | * @cfg {String} cls A custom CSS class to apply to the field's underlying element (defaults to ""). |
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37 | */ |
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38 | |
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39 | /** |
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40 | * @cfg {String} invalidClass The CSS class to use when marking a field invalid (defaults to "x-form-invalid") |
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41 | */ |
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42 | invalidClass : "x-form-invalid", |
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43 | /** |
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44 | * @cfg {String} invalidText The error text to use when marking a field invalid and no message is provided |
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45 | * (defaults to "The value in this field is invalid") |
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46 | */ |
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47 | invalidText : "The value in this field is invalid", |
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48 | /** |
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49 | * @cfg {String} focusClass The CSS class to use when the field receives focus (defaults to "x-form-focus") |
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50 | */ |
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51 | focusClass : "x-form-focus", |
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52 | /** |
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53 | * @cfg {String/Boolean} validationEvent The event that should initiate field validation. Set to false to disable |
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54 | automatic validation (defaults to "keyup"). |
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55 | */ |
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56 | validationEvent : "keyup", |
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57 | /** |
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58 | * @cfg {Boolean} validateOnBlur Whether the field should validate when it loses focus (defaults to true). |
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59 | */ |
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60 | validateOnBlur : true, |
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61 | /** |
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62 | * @cfg {Number} validationDelay The length of time in milliseconds after user input begins until validation |
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63 | * is initiated (defaults to 250) |
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64 | */ |
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65 | validationDelay : 250, |
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66 | /** |
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67 | * @cfg {String/Object} autoCreate <p>A {@link Ext.DomHelper DomHelper} element spec, or true for a default |
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68 | * element spec. Used to create the {@link Ext.Component#getEl Element} which will encapsulate this Component. |
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69 | * See <tt>{@link Ext.Component#autoEl autoEl}</tt> for details. Defaults to:</p> |
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70 | * <pre><code>{tag: "input", type: "text", size: "20", autocomplete: "off"}</code></pre> |
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71 | */ |
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72 | defaultAutoCreate : {tag: "input", type: "text", size: "20", autocomplete: "off"}, |
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73 | /** |
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74 | * @cfg {String} fieldClass The default CSS class for the field (defaults to "x-form-field") |
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75 | */ |
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76 | fieldClass : "x-form-field", |
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77 | /** |
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78 | * @cfg {String} msgTarget The location where error text should display. Should be one of the following values |
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79 | * (defaults to 'qtip'): |
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80 | *<pre> |
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81 | Value Description |
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82 | ----------- ---------------------------------------------------------------------- |
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83 | qtip Display a quick tip when the user hovers over the field |
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84 | title Display a default browser title attribute popup |
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85 | under Add a block div beneath the field containing the error text |
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86 | side Add an error icon to the right of the field with a popup on hover |
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87 | [element id] Add the error text directly to the innerHTML of the specified element |
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88 | </pre> |
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89 | */ |
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90 | msgTarget : 'qtip', |
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91 | /** |
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92 | * @cfg {String} msgFx <b>Experimental</b> The effect used when displaying a validation message under the field |
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93 | * (defaults to 'normal'). |
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94 | */ |
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95 | msgFx : 'normal', |
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96 | /** |
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97 | * @cfg {Boolean} readOnly <tt>true</tt> to mark the field as readOnly in HTML |
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98 | * (defaults to <tt>false</tt>). |
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99 | * <br><p><b>Note</b>: this only sets the element's readOnly DOM attribute. |
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100 | * Setting <code>readOnly=true</code>, for example, will not disable triggering a |
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101 | * ComboBox or DateField; it gives you the option of forcing the user to choose |
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102 | * via the trigger without typing in the text box. To hide the trigger use |
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103 | * <code>{@link Ext.form.TriggerField#hideTrigger hideTrigger}</code>.</p> |
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104 | */ |
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105 | readOnly : false, |
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106 | /** |
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107 | * @cfg {Boolean} disabled True to disable the field (defaults to false). |
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108 | * <p>Be aware that conformant with the <a href="http://www.w3.org/TR/html401/interact/forms.html#h-17.12.1">HTML specification</a>, |
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109 | * disabled Fields will not be {@link Ext.form.BasicForm#submit submitted}.</p> |
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110 | */ |
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111 | disabled : false, |
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112 | |
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113 | // private |
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114 | isFormField : true, |
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115 | |
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116 | // private |
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117 | hasFocus : false, |
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118 | |
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119 | // private |
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120 | initComponent : function(){ |
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121 | Ext.form.Field.superclass.initComponent.call(this); |
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122 | this.addEvents( |
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123 | /** |
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124 | * @event focus |
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125 | * Fires when this field receives input focus. |
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126 | * @param {Ext.form.Field} this |
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127 | */ |
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128 | 'focus', |
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129 | /** |
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130 | * @event blur |
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131 | * Fires when this field loses input focus. |
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132 | * @param {Ext.form.Field} this |
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133 | */ |
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134 | 'blur', |
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135 | /** |
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136 | * @event specialkey |
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137 | * Fires when any key related to navigation (arrows, tab, enter, esc, etc.) is pressed. |
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138 | * To handle other keys see {@link Ext.Panel#keys} or {@link Ext.KeyMap}. |
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139 | * You can check {@link Ext.EventObject#getKey} to determine which key was pressed. |
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140 | * For example: <pre><code> |
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141 | var form = new Ext.form.FormPanel({ |
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142 | ... |
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143 | items: [{ |
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144 | fieldLabel: 'Field 1', |
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145 | name: 'field1', |
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146 | allowBlank: false |
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147 | },{ |
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148 | fieldLabel: 'Field 2', |
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149 | name: 'field2', |
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150 | listeners: { |
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151 | specialkey: function(field, e){ |
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152 | // e.HOME, e.END, e.PAGE_UP, e.PAGE_DOWN, |
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153 | // e.TAB, e.ESC, arrow keys: e.LEFT, e.RIGHT, e.UP, e.DOWN |
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154 | if (e.{@link Ext.EventObject#getKey getKey()} == e.ENTER) { |
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155 | var form = field.ownerCt.getForm(); |
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156 | form.submit(); |
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157 | } |
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158 | } |
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159 | } |
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160 | } |
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161 | ], |
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162 | ... |
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163 | }); |
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164 | * </code></pre> |
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165 | * @param {Ext.form.Field} this |
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166 | * @param {Ext.EventObject} e The event object |
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167 | */ |
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168 | 'specialkey', |
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169 | /** |
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170 | * @event change |
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171 | * Fires just before the field blurs if the field value has changed. |
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172 | * @param {Ext.form.Field} this |
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173 | * @param {Mixed} newValue The new value |
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174 | * @param {Mixed} oldValue The original value |
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175 | */ |
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176 | 'change', |
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177 | /** |
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178 | * @event invalid |
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179 | * Fires after the field has been marked as invalid. |
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180 | * @param {Ext.form.Field} this |
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181 | * @param {String} msg The validation message |
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182 | */ |
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183 | 'invalid', |
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184 | /** |
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185 | * @event valid |
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186 | * Fires after the field has been validated with no errors. |
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187 | * @param {Ext.form.Field} this |
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188 | */ |
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189 | 'valid' |
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190 | ); |
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191 | }, |
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192 | |
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193 | /** |
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194 | * Returns the {@link Ext.form.Field#name name} or {@link Ext.form.ComboBox#hiddenName hiddenName} |
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195 | * attribute of the field if available. |
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196 | * @return {String} name The field {@link Ext.form.Field#name name} or {@link Ext.form.ComboBox#hiddenName hiddenName} |
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197 | */ |
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198 | getName: function(){ |
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199 | return this.rendered && this.el.dom.name ? this.el.dom.name : this.name || this.id || ''; |
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200 | }, |
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201 | |
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202 | // private |
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203 | onRender : function(ct, position){ |
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204 | if(!this.el){ |
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205 | var cfg = this.getAutoCreate(); |
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206 | |
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207 | if(!cfg.name){ |
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208 | cfg.name = this.name || this.id; |
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209 | } |
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210 | if(this.inputType){ |
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211 | cfg.type = this.inputType; |
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212 | } |
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213 | this.autoEl = cfg; |
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214 | } |
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215 | Ext.form.Field.superclass.onRender.call(this, ct, position); |
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216 | |
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217 | var type = this.el.dom.type; |
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218 | if(type){ |
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219 | if(type == 'password'){ |
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220 | type = 'text'; |
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221 | } |
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222 | this.el.addClass('x-form-'+type); |
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223 | } |
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224 | if(this.readOnly){ |
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225 | this.el.dom.readOnly = true; |
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226 | } |
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227 | if(this.tabIndex !== undefined){ |
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228 | this.el.dom.setAttribute('tabIndex', this.tabIndex); |
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229 | } |
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230 | |
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231 | this.el.addClass([this.fieldClass, this.cls]); |
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232 | }, |
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233 | |
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234 | // private |
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235 | getItemCt : function(){ |
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236 | return this.el.up('.x-form-item', 4); |
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237 | }, |
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238 | |
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239 | // private |
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240 | initValue : function(){ |
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241 | if(this.value !== undefined){ |
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242 | this.setValue(this.value); |
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243 | }else if(!Ext.isEmpty(this.el.dom.value) && this.el.dom.value != this.emptyText){ |
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244 | this.setValue(this.el.dom.value); |
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245 | } |
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246 | /** |
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247 | * The original value of the field as configured in the {@link #value} configuration, or |
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248 | * as loaded by the last form load operation if the form's {@link Ext.form.BasicForm#trackResetOnLoad trackResetOnLoad} |
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249 | * setting is <code>true</code>. |
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250 | * @type mixed |
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251 | * @property originalValue |
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252 | */ |
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253 | this.originalValue = this.getValue(); |
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254 | }, |
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255 | |
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256 | /** |
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257 | * <p>Returns true if the value of this Field has been changed from its original value. |
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258 | * Will return false if the field is disabled or has not been rendered yet.</p> |
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259 | * <p>Note that if the owning {@link Ext.form.BasicForm form} was configured with |
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260 | * {@link Ext.form.BasicForm}.{@link Ext.form.BasicForm#trackResetOnLoad trackResetOnLoad} |
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261 | * then the <i>original value</i> is updated when the values are loaded by |
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262 | * {@link Ext.form.BasicForm}.{@link Ext.form.BasicForm#setValues setValues}.</p> |
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263 | * @return {Boolean} True if this field has been changed from its original value (and |
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264 | * is not disabled), false otherwise. |
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265 | */ |
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266 | isDirty : function() { |
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267 | if(this.disabled || !this.rendered) { |
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268 | return false; |
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269 | } |
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270 | return String(this.getValue()) !== String(this.originalValue); |
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271 | }, |
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272 | |
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273 | // private |
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274 | afterRender : function(){ |
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275 | Ext.form.Field.superclass.afterRender.call(this); |
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276 | this.initEvents(); |
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277 | this.initValue(); |
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278 | }, |
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279 | |
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280 | // private |
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281 | fireKey : function(e){ |
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282 | if(e.isSpecialKey()){ |
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283 | this.fireEvent("specialkey", this, e); |
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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 | * Resets the current field value to the originally loaded value and clears any validation messages. |
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289 | * See {@link Ext.form.BasicForm}.{@link Ext.form.BasicForm#trackResetOnLoad trackResetOnLoad} |
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290 | */ |
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291 | reset : function(){ |
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292 | this.setValue(this.originalValue); |
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293 | this.clearInvalid(); |
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294 | }, |
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295 | |
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296 | // private |
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297 | initEvents : function(){ |
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298 | this.mon(this.el, Ext.EventManager.useKeydown ? "keydown" : "keypress", this.fireKey, this); |
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299 | this.mon(this.el, 'focus', this.onFocus, this); |
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300 | |
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301 | // fix weird FF/Win editor issue when changing OS window focus |
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302 | var o = this.inEditor && Ext.isWindows && Ext.isGecko ? {buffer:10} : null; |
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303 | this.mon(this.el, 'blur', this.onBlur, this, o); |
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304 | }, |
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305 | |
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306 | // private |
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307 | onFocus : function(){ |
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308 | if(this.focusClass){ |
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309 | this.el.addClass(this.focusClass); |
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310 | } |
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311 | if(!this.hasFocus){ |
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312 | this.hasFocus = true; |
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313 | this.startValue = this.getValue(); |
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314 | this.fireEvent("focus", this); |
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315 | } |
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316 | }, |
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317 | |
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318 | // private |
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319 | beforeBlur : Ext.emptyFn, |
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320 | |
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321 | // private |
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322 | onBlur : function(){ |
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323 | this.beforeBlur(); |
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324 | if(this.focusClass){ |
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325 | this.el.removeClass(this.focusClass); |
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326 | } |
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327 | this.hasFocus = false; |
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328 | if(this.validationEvent !== false && this.validateOnBlur && this.validationEvent != "blur"){ |
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329 | this.validate(); |
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330 | } |
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331 | var v = this.getValue(); |
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332 | if(String(v) !== String(this.startValue)){ |
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333 | this.fireEvent('change', this, v, this.startValue); |
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334 | } |
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335 | this.fireEvent("blur", this); |
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336 | }, |
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337 | |
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338 | /** |
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339 | * Returns whether or not the field value is currently valid |
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340 | * @param {Boolean} preventMark True to disable marking the field invalid |
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341 | * @return {Boolean} True if the value is valid, else false |
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342 | */ |
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343 | isValid : function(preventMark){ |
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344 | if(this.disabled){ |
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345 | return true; |
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346 | } |
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347 | var restore = this.preventMark; |
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348 | this.preventMark = preventMark === true; |
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349 | var v = this.validateValue(this.processValue(this.getRawValue())); |
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350 | this.preventMark = restore; |
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351 | return v; |
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352 | }, |
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353 | |
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354 | /** |
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355 | * Validates the field value |
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356 | * @return {Boolean} True if the value is valid, else false |
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357 | */ |
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358 | validate : function(){ |
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359 | if(this.disabled || this.validateValue(this.processValue(this.getRawValue()))){ |
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360 | this.clearInvalid(); |
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361 | return true; |
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362 | } |
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363 | return false; |
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364 | }, |
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365 | |
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366 | // protected - should be overridden by subclasses if necessary to prepare raw values for validation |
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367 | processValue : function(value){ |
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368 | return value; |
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369 | }, |
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370 | |
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371 | // private |
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372 | // Subclasses should provide the validation implementation by overriding this |
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373 | validateValue : function(value){ |
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374 | return true; |
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375 | }, |
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376 | |
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377 | /** |
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378 | * Mark this field as invalid, using {@link #msgTarget} to determine how to display the error and |
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379 | * applying {@link #invalidClass} to the field's element. |
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380 | * @param {String} msg (optional) The validation message (defaults to {@link #invalidText}) |
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381 | */ |
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382 | markInvalid : function(msg){ |
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383 | if(!this.rendered || this.preventMark){ // not rendered |
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384 | return; |
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385 | } |
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386 | msg = msg || this.invalidText; |
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387 | |
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388 | var mt = this.getMessageHandler(); |
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389 | if(mt){ |
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390 | mt.mark(this, msg); |
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391 | }else if(this.msgTarget){ |
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392 | this.el.addClass(this.invalidClass); |
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393 | var t = Ext.getDom(this.msgTarget); |
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394 | if(t){ |
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395 | t.innerHTML = msg; |
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396 | t.style.display = this.msgDisplay; |
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397 | } |
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398 | } |
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399 | this.fireEvent('invalid', this, msg); |
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400 | }, |
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401 | |
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402 | /** |
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403 | * Clear any invalid styles/messages for this field |
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404 | */ |
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405 | clearInvalid : function(){ |
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406 | if(!this.rendered || this.preventMark){ // not rendered |
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407 | return; |
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408 | } |
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409 | this.el.removeClass(this.invalidClass); |
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410 | var mt = this.getMessageHandler(); |
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411 | if(mt){ |
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412 | mt.clear(this); |
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413 | }else if(this.msgTarget){ |
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414 | this.el.removeClass(this.invalidClass); |
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415 | var t = Ext.getDom(this.msgTarget); |
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416 | if(t){ |
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417 | t.innerHTML = ''; |
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418 | t.style.display = 'none'; |
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419 | } |
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420 | } |
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421 | this.fireEvent('valid', this); |
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422 | }, |
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423 | |
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424 | // private |
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425 | getMessageHandler : function(){ |
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426 | return Ext.form.MessageTargets[this.msgTarget]; |
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427 | }, |
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428 | |
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429 | // private |
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430 | getErrorCt : function(){ |
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431 | return this.el.findParent('.x-form-element', 5, true) || // use form element wrap if available |
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432 | this.el.findParent('.x-form-field-wrap', 5, true); // else direct field wrap |
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433 | }, |
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434 | |
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435 | // private |
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436 | alignErrorIcon : function(){ |
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437 | this.errorIcon.alignTo(this.el, 'tl-tr', [2, 0]); |
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438 | }, |
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439 | |
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440 | /** |
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441 | * Returns the raw data value which may or may not be a valid, defined value. To return a normalized value see {@link #getValue}. |
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442 | * @return {Mixed} value The field value |
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443 | */ |
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444 | getRawValue : function(){ |
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445 | var v = this.rendered ? this.el.getValue() : Ext.value(this.value, ''); |
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446 | if(v === this.emptyText){ |
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447 | v = ''; |
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448 | } |
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449 | return v; |
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450 | }, |
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451 | |
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452 | /** |
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453 | * Returns the normalized data value (undefined or emptyText will be returned as ''). To return the raw value see {@link #getRawValue}. |
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454 | * @return {Mixed} value The field value |
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455 | */ |
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456 | getValue : function(){ |
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457 | if(!this.rendered) { |
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458 | return this.value; |
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459 | } |
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460 | var v = this.el.getValue(); |
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461 | if(v === this.emptyText || v === undefined){ |
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462 | v = ''; |
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463 | } |
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464 | return v; |
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465 | }, |
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466 | |
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467 | /** |
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468 | * Sets the underlying DOM field's value directly, bypassing validation. To set the value with validation see {@link #setValue}. |
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469 | * @param {Mixed} value The value to set |
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470 | * @return {Mixed} value The field value that is set |
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471 | */ |
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472 | setRawValue : function(v){ |
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473 | return (this.el.dom.value = (Ext.isEmpty(v) ? '' : v)); |
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474 | }, |
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475 | |
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476 | /** |
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477 | * Sets a data value into the field and validates it. To set the value directly without validation see {@link #setRawValue}. |
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478 | * @param {Mixed} value The value to set |
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479 | * @return {Ext.form.Field} this |
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480 | */ |
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481 | setValue : function(v){ |
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482 | this.value = v; |
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483 | if(this.rendered){ |
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484 | this.el.dom.value = (Ext.isEmpty(v) ? '' : v); |
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485 | this.validate(); |
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486 | } |
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487 | return this; |
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488 | }, |
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489 | |
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490 | // private, does not work for all fields |
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491 | append : function(v){ |
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492 | this.setValue([this.getValue(), v].join('')); |
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493 | }, |
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494 | |
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495 | // private |
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496 | adjustSize : function(w, h){ |
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497 | var s = Ext.form.Field.superclass.adjustSize.call(this, w, h); |
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498 | s.width = this.adjustWidth(this.el.dom.tagName, s.width); |
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499 | if(this.offsetCt){ |
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500 | var ct = this.getItemCt(); |
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501 | s.width -= ct.getFrameWidth('lr'); |
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502 | s.height -= ct.getFrameWidth('tb'); |
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503 | } |
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504 | return s; |
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505 | }, |
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506 | |
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507 | // private |
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508 | adjustWidth : function(tag, w){ |
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509 | if(typeof w == 'number' && (Ext.isIE && (Ext.isIE6 || !Ext.isStrict)) && /input|textarea/i.test(tag) && !this.inEditor){ |
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510 | return w - 3; |
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511 | } |
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512 | return w; |
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513 | } |
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514 | |
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515 | /** |
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516 | * @cfg {Boolean} autoWidth @hide |
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517 | */ |
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518 | /** |
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519 | * @cfg {Boolean} autoHeight @hide |
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520 | */ |
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521 | |
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522 | /** |
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523 | * @cfg {String} autoEl @hide |
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524 | */ |
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525 | }); |
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526 | |
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527 | |
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528 | Ext.form.MessageTargets = { |
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529 | 'qtip' : { |
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530 | mark: function(field, msg){ |
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531 | field.el.addClass(field.invalidClass); |
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532 | field.el.dom.qtip = msg; |
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533 | field.el.dom.qclass = 'x-form-invalid-tip'; |
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534 | if(Ext.QuickTips){ // fix for floating editors interacting with DND |
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535 | Ext.QuickTips.enable(); |
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536 | } |
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537 | }, |
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538 | clear: function(field){ |
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539 | field.el.removeClass(field.invalidClass); |
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540 | field.el.dom.qtip = ''; |
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541 | } |
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542 | }, |
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543 | 'title' : { |
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544 | mark: function(field, msg){ |
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545 | field.el.addClass(field.invalidClass); |
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546 | field.el.dom.title = msg; |
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547 | }, |
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548 | clear: function(field){ |
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549 | field.el.dom.title = ''; |
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550 | } |
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551 | }, |
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552 | 'under' : { |
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553 | mark: function(field, msg){ |
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554 | field.el.addClass(field.invalidClass); |
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555 | if(!field.errorEl){ |
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556 | var elp = field.getErrorCt(); |
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557 | if(!elp){ // field has no container el |
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558 | field.el.dom.title = msg; |
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559 | return; |
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560 | } |
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561 | field.errorEl = elp.createChild({cls:'x-form-invalid-msg'}); |
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562 | field.errorEl.setWidth(elp.getWidth(true)-20); |
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563 | } |
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564 | field.errorEl.update(msg); |
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565 | Ext.form.Field.msgFx[field.msgFx].show(field.errorEl, field); |
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566 | }, |
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567 | clear: function(field){ |
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568 | field.el.removeClass(field.invalidClass); |
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569 | if(field.errorEl){ |
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570 | Ext.form.Field.msgFx[field.msgFx].hide(field.errorEl, field); |
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571 | }else{ |
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572 | field.el.dom.title = ''; |
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573 | } |
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574 | } |
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575 | }, |
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576 | 'side' : { |
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577 | mark: function(field, msg){ |
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578 | field.el.addClass(field.invalidClass); |
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579 | if(!field.errorIcon){ |
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580 | var elp = field.getErrorCt(); |
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581 | if(!elp){ // field has no container el |
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582 | field.el.dom.title = msg; |
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583 | return; |
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584 | } |
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585 | field.errorIcon = elp.createChild({cls:'x-form-invalid-icon'}); |
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586 | } |
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587 | field.alignErrorIcon(); |
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588 | field.errorIcon.dom.qtip = msg; |
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589 | field.errorIcon.dom.qclass = 'x-form-invalid-tip'; |
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590 | field.errorIcon.show(); |
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591 | field.on('resize', field.alignErrorIcon, field); |
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592 | }, |
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593 | clear: function(field){ |
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594 | field.el.removeClass(field.invalidClass); |
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595 | if(field.errorIcon){ |
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596 | field.errorIcon.dom.qtip = ''; |
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597 | field.errorIcon.hide(); |
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598 | field.un('resize', field.alignErrorIcon, field); |
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599 | }else{ |
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600 | field.el.dom.title = ''; |
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601 | } |
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602 | } |
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603 | } |
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604 | }; |
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605 | |
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606 | // anything other than normal should be considered experimental |
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607 | Ext.form.Field.msgFx = { |
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608 | normal : { |
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609 | show: function(msgEl, f){ |
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610 | msgEl.setDisplayed('block'); |
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611 | }, |
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612 | |
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613 | hide : function(msgEl, f){ |
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614 | msgEl.setDisplayed(false).update(''); |
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615 | } |
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616 | }, |
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617 | |
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618 | slide : { |
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619 | show: function(msgEl, f){ |
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620 | msgEl.slideIn('t', {stopFx:true}); |
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621 | }, |
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622 | |
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623 | hide : function(msgEl, f){ |
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624 | msgEl.slideOut('t', {stopFx:true,useDisplay:true}); |
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625 | } |
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626 | }, |
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627 | |
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628 | slideRight : { |
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629 | show: function(msgEl, f){ |
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630 | msgEl.fixDisplay(); |
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631 | msgEl.alignTo(f.el, 'tl-tr'); |
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632 | msgEl.slideIn('l', {stopFx:true}); |
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633 | }, |
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634 | |
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635 | hide : function(msgEl, f){ |
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636 | msgEl.slideOut('l', {stopFx:true,useDisplay:true}); |
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637 | } |
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638 | } |
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639 | }; |
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640 | Ext.reg('field', Ext.form.Field); |
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