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.TextField |
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9 | * @extends Ext.form.Field |
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10 | * <p>Basic text field. Can be used as a direct replacement for traditional text inputs, |
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11 | * or as the base class for more sophisticated input controls (like {@link Ext.form.TextArea} |
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12 | * and {@link Ext.form.ComboBox}).</p> |
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13 | * <p><b><u>Validation</u></b></p> |
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14 | * <p>The validation procedure is described in the documentation for {@link #validateValue}.</p> |
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15 | * <p><b><u>Alter Validation Behavior</u></b></p> |
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16 | * <p>Validation behavior for each field can be configured:</p> |
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17 | * <div class="mdetail-params"><ul> |
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18 | * <li><code>{@link Ext.form.TextField#invalidText invalidText}</code> : the default validation message to |
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19 | * show if any validation step above does not provide a message when invalid</li> |
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20 | * <li><code>{@link Ext.form.TextField#maskRe maskRe}</code> : filter out keystrokes before any validation occurs</li> |
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21 | * <li><code>{@link Ext.form.TextField#stripCharsRe stripCharsRe}</code> : filter characters after being typed in, |
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22 | * but before being validated</li> |
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23 | * <li><code>{@link Ext.form.Field#invalidClass invalidClass}</code> : alternate style when invalid</li> |
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24 | * <li><code>{@link Ext.form.Field#validateOnBlur validateOnBlur}</code>, |
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25 | * <code>{@link Ext.form.Field#validationDelay validationDelay}</code>, and |
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26 | * <code>{@link Ext.form.Field#validationEvent validationEvent}</code> : modify how/when validation is triggered</li> |
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27 | * </ul></div> |
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28 | * |
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29 | * @constructor Creates a new TextField |
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30 | * @param {Object} config Configuration options |
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31 | * |
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32 | * @xtype textfield |
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33 | */ |
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34 | Ext.form.TextField = Ext.extend(Ext.form.Field, { |
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35 | /** |
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36 | * @cfg {String} vtypeText A custom error message to display in place of the default message provided |
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37 | * for the <b><code>{@link #vtype}</code></b> currently set for this field (defaults to <tt>''</tt>). <b>Note</b>: |
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38 | * only applies if <b><code>{@link #vtype}</code></b> is set, else ignored. |
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39 | */ |
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40 | /** |
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41 | * @cfg {RegExp} stripCharsRe A JavaScript RegExp object used to strip unwanted content from the value |
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42 | * before validation (defaults to <tt>null</tt>). |
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43 | */ |
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44 | /** |
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45 | * @cfg {Boolean} grow <tt>true</tt> if this field should automatically grow and shrink to its content |
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46 | * (defaults to <tt>false</tt>) |
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47 | */ |
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48 | grow : false, |
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49 | /** |
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50 | * @cfg {Number} growMin The minimum width to allow when <code><b>{@link #grow}</b> = true</code> (defaults |
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51 | * to <tt>30</tt>) |
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52 | */ |
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53 | growMin : 30, |
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54 | /** |
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55 | * @cfg {Number} growMax The maximum width to allow when <code><b>{@link #grow}</b> = true</code> (defaults |
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56 | * to <tt>800</tt>) |
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57 | */ |
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58 | growMax : 800, |
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59 | /** |
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60 | * @cfg {String} vtype A validation type name as defined in {@link Ext.form.VTypes} (defaults to <tt>null</tt>) |
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61 | */ |
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62 | vtype : null, |
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63 | /** |
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64 | * @cfg {RegExp} maskRe An input mask regular expression that will be used to filter keystrokes that do |
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65 | * not match (defaults to <tt>null</tt>). The maskRe will not operate on any paste events. |
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66 | */ |
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67 | maskRe : null, |
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68 | /** |
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69 | * @cfg {Boolean} disableKeyFilter Specify <tt>true</tt> to disable input keystroke filtering (defaults |
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70 | * to <tt>false</tt>) |
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71 | */ |
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72 | disableKeyFilter : false, |
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73 | /** |
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74 | * @cfg {Boolean} allowBlank Specify <tt>false</tt> to validate that the value's length is > 0 (defaults to |
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75 | * <tt>true</tt>) |
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76 | */ |
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77 | allowBlank : true, |
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78 | /** |
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79 | * @cfg {Number} minLength Minimum input field length required (defaults to <tt>0</tt>) |
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80 | */ |
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81 | minLength : 0, |
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82 | /** |
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83 | * @cfg {Number} maxLength Maximum input field length allowed by validation (defaults to Number.MAX_VALUE). |
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84 | * This behavior is intended to provide instant feedback to the user by improving usability to allow pasting |
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85 | * and editing or overtyping and back tracking. To restrict the maximum number of characters that can be |
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86 | * entered into the field use <tt><b>{@link Ext.form.Field#autoCreate autoCreate}</b></tt> to add |
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87 | * any attributes you want to a field, for example:<pre><code> |
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88 | var myField = new Ext.form.NumberField({ |
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89 | id: 'mobile', |
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90 | anchor:'90%', |
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91 | fieldLabel: 'Mobile', |
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92 | maxLength: 16, // for validation |
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93 | autoCreate: {tag: 'input', type: 'text', size: '20', autocomplete: 'off', maxlength: '10'} |
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94 | }); |
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95 | </code></pre> |
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96 | */ |
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97 | maxLength : Number.MAX_VALUE, |
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98 | /** |
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99 | * @cfg {String} minLengthText Error text to display if the <b><tt>{@link #minLength minimum length}</tt></b> |
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100 | * validation fails (defaults to <tt>'The minimum length for this field is {minLength}'</tt>) |
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101 | */ |
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102 | minLengthText : 'The minimum length for this field is {0}', |
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103 | /** |
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104 | * @cfg {String} maxLengthText Error text to display if the <b><tt>{@link #maxLength maximum length}</tt></b> |
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105 | * validation fails (defaults to <tt>'The maximum length for this field is {maxLength}'</tt>) |
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106 | */ |
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107 | maxLengthText : 'The maximum length for this field is {0}', |
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108 | /** |
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109 | * @cfg {Boolean} selectOnFocus <tt>true</tt> to automatically select any existing field text when the field |
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110 | * receives input focus (defaults to <tt>false</tt>) |
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111 | */ |
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112 | selectOnFocus : false, |
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113 | /** |
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114 | * @cfg {String} blankText The error text to display if the <b><tt>{@link #allowBlank}</tt></b> validation |
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115 | * fails (defaults to <tt>'This field is required'</tt>) |
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116 | */ |
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117 | blankText : 'This field is required', |
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118 | /** |
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119 | * @cfg {Function} validator |
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120 | * <p>A custom validation function to be called during field validation ({@link #validateValue}) |
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121 | * (defaults to <tt>null</tt>). If specified, this function will be called first, allowing the |
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122 | * developer to override the default validation process.</p> |
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123 | * <br><p>This function will be passed the following Parameters:</p> |
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124 | * <div class="mdetail-params"><ul> |
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125 | * <li><code>value</code>: <i>Mixed</i> |
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126 | * <div class="sub-desc">The current field value</div></li> |
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127 | * </ul></div> |
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128 | * <br><p>This function is to Return:</p> |
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129 | * <div class="mdetail-params"><ul> |
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130 | * <li><code>true</code>: <i>Boolean</i> |
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131 | * <div class="sub-desc"><code>true</code> if the value is valid</div></li> |
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132 | * <li><code>msg</code>: <i>String</i> |
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133 | * <div class="sub-desc">An error message if the value is invalid</div></li> |
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134 | * </ul></div> |
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135 | */ |
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136 | validator : null, |
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137 | /** |
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138 | * @cfg {RegExp} regex A JavaScript RegExp object to be tested against the field value during validation |
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139 | * (defaults to <tt>null</tt>). If the test fails, the field will be marked invalid using |
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140 | * <b><tt>{@link #regexText}</tt></b>. |
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141 | */ |
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142 | regex : null, |
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143 | /** |
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144 | * @cfg {String} regexText The error text to display if <b><tt>{@link #regex}</tt></b> is used and the |
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145 | * test fails during validation (defaults to <tt>''</tt>) |
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146 | */ |
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147 | regexText : '', |
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148 | /** |
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149 | * @cfg {String} emptyText The default text to place into an empty field (defaults to <tt>null</tt>). |
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150 | * <b>Note</b>: that this value will be submitted to the server if this field is enabled and configured |
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151 | * with a {@link #name}. |
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152 | */ |
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153 | emptyText : null, |
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154 | /** |
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155 | * @cfg {String} emptyClass The CSS class to apply to an empty field to style the <b><tt>{@link #emptyText}</tt></b> |
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156 | * (defaults to <tt>'x-form-empty-field'</tt>). This class is automatically added and removed as needed |
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157 | * depending on the current field value. |
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158 | */ |
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159 | emptyClass : 'x-form-empty-field', |
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160 | |
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161 | /** |
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162 | * @cfg {Boolean} enableKeyEvents <tt>true</tt> to enable the proxying of key events for the HTML input |
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163 | * field (defaults to <tt>false</tt>) |
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164 | */ |
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165 | |
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166 | initComponent : function(){ |
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167 | Ext.form.TextField.superclass.initComponent.call(this); |
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168 | this.addEvents( |
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169 | /** |
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170 | * @event autosize |
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171 | * Fires when the <tt><b>{@link #autoSize}</b></tt> function is triggered. The field may or |
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172 | * may not have actually changed size according to the default logic, but this event provides |
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173 | * a hook for the developer to apply additional logic at runtime to resize the field if needed. |
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174 | * @param {Ext.form.Field} this This text field |
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175 | * @param {Number} width The new field width |
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176 | */ |
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177 | 'autosize', |
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178 | |
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179 | /** |
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180 | * @event keydown |
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181 | * Keydown input field event. This event only fires if <tt><b>{@link #enableKeyEvents}</b></tt> |
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182 | * is set to true. |
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183 | * @param {Ext.form.TextField} this This text field |
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184 | * @param {Ext.EventObject} e |
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185 | */ |
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186 | 'keydown', |
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187 | /** |
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188 | * @event keyup |
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189 | * Keyup input field event. This event only fires if <tt><b>{@link #enableKeyEvents}</b></tt> |
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190 | * is set to true. |
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191 | * @param {Ext.form.TextField} this This text field |
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192 | * @param {Ext.EventObject} e |
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193 | */ |
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194 | 'keyup', |
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195 | /** |
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196 | * @event keypress |
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197 | * Keypress input field event. This event only fires if <tt><b>{@link #enableKeyEvents}</b></tt> |
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198 | * is set to true. |
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199 | * @param {Ext.form.TextField} this This text field |
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200 | * @param {Ext.EventObject} e |
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201 | */ |
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202 | 'keypress' |
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203 | ); |
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204 | }, |
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205 | |
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206 | // private |
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207 | initEvents : function(){ |
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208 | Ext.form.TextField.superclass.initEvents.call(this); |
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209 | if(this.validationEvent == 'keyup'){ |
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210 | this.validationTask = new Ext.util.DelayedTask(this.validate, this); |
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211 | this.mon(this.el, 'keyup', this.filterValidation, this); |
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212 | } |
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213 | else if(this.validationEvent !== false && this.validationEvent != 'blur'){ |
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214 | this.mon(this.el, this.validationEvent, this.validate, this, {buffer: this.validationDelay}); |
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215 | } |
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216 | if(this.selectOnFocus || this.emptyText){ |
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217 | this.mon(this.el, 'mousedown', this.onMouseDown, this); |
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218 | |
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219 | if(this.emptyText){ |
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220 | this.applyEmptyText(); |
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221 | } |
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222 | } |
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223 | if(this.maskRe || (this.vtype && this.disableKeyFilter !== true && (this.maskRe = Ext.form.VTypes[this.vtype+'Mask']))){ |
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224 | this.mon(this.el, 'keypress', this.filterKeys, this); |
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225 | } |
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226 | if(this.grow){ |
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227 | this.mon(this.el, 'keyup', this.onKeyUpBuffered, this, {buffer: 50}); |
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228 | this.mon(this.el, 'click', this.autoSize, this); |
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229 | } |
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230 | if(this.enableKeyEvents){ |
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231 | this.mon(this.el, { |
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232 | scope: this, |
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233 | keyup: this.onKeyUp, |
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234 | keydown: this.onKeyDown, |
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235 | keypress: this.onKeyPress |
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236 | }); |
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237 | } |
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238 | }, |
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239 | |
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240 | onMouseDown: function(e){ |
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241 | if(!this.hasFocus){ |
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242 | this.mon(this.el, 'mouseup', Ext.emptyFn, this, { single: true, preventDefault: true }); |
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243 | } |
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244 | }, |
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245 | |
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246 | processValue : function(value){ |
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247 | if(this.stripCharsRe){ |
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248 | var newValue = value.replace(this.stripCharsRe, ''); |
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249 | if(newValue !== value){ |
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250 | this.setRawValue(newValue); |
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251 | return newValue; |
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252 | } |
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253 | } |
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254 | return value; |
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255 | }, |
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256 | |
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257 | filterValidation : function(e){ |
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258 | if(!e.isNavKeyPress()){ |
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259 | this.validationTask.delay(this.validationDelay); |
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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 | onDisable: function(){ |
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265 | Ext.form.TextField.superclass.onDisable.call(this); |
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266 | if(Ext.isIE){ |
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267 | this.el.dom.unselectable = 'on'; |
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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 | onEnable: function(){ |
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273 | Ext.form.TextField.superclass.onEnable.call(this); |
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274 | if(Ext.isIE){ |
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275 | this.el.dom.unselectable = ''; |
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276 | } |
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277 | }, |
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278 | |
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279 | // private |
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280 | onKeyUpBuffered : function(e){ |
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281 | if(this.doAutoSize(e)){ |
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282 | this.autoSize(); |
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283 | } |
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284 | }, |
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285 | |
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286 | // private |
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287 | doAutoSize : function(e){ |
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288 | return !e.isNavKeyPress(); |
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289 | }, |
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290 | |
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291 | // private |
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292 | onKeyUp : function(e){ |
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293 | this.fireEvent('keyup', this, e); |
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294 | }, |
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295 | |
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296 | // private |
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297 | onKeyDown : function(e){ |
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298 | this.fireEvent('keydown', this, e); |
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299 | }, |
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300 | |
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301 | // private |
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302 | onKeyPress : function(e){ |
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303 | this.fireEvent('keypress', this, e); |
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304 | }, |
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305 | |
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306 | /** |
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307 | * Resets the current field value to the originally-loaded value and clears any validation messages. |
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308 | * Also adds <tt><b>{@link #emptyText}</b></tt> and <tt><b>{@link #emptyClass}</b></tt> if the |
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309 | * original value was blank. |
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310 | */ |
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311 | reset : function(){ |
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312 | Ext.form.TextField.superclass.reset.call(this); |
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313 | this.applyEmptyText(); |
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314 | }, |
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315 | |
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316 | applyEmptyText : function(){ |
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317 | if(this.rendered && this.emptyText && this.getRawValue().length < 1 && !this.hasFocus){ |
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318 | this.setRawValue(this.emptyText); |
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319 | this.el.addClass(this.emptyClass); |
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320 | } |
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321 | }, |
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322 | |
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323 | // private |
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324 | preFocus : function(){ |
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325 | var el = this.el, |
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326 | isEmpty; |
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327 | if(this.emptyText){ |
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328 | if(el.dom.value == this.emptyText){ |
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329 | this.setRawValue(''); |
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330 | isEmpty = true; |
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331 | } |
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332 | el.removeClass(this.emptyClass); |
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333 | } |
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334 | if(this.selectOnFocus || isEmpty){ |
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335 | el.dom.select(); |
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336 | } |
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337 | }, |
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338 | |
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339 | // private |
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340 | postBlur : function(){ |
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341 | this.applyEmptyText(); |
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342 | }, |
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343 | |
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344 | // private |
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345 | filterKeys : function(e){ |
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346 | if(e.ctrlKey){ |
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347 | return; |
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348 | } |
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349 | var k = e.getKey(); |
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350 | if(Ext.isGecko && (e.isNavKeyPress() || k == e.BACKSPACE || (k == e.DELETE && e.button == -1))){ |
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351 | return; |
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352 | } |
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353 | var cc = String.fromCharCode(e.getCharCode()); |
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354 | if(!Ext.isGecko && e.isSpecialKey() && !cc){ |
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355 | return; |
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356 | } |
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357 | if(!this.maskRe.test(cc)){ |
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358 | e.stopEvent(); |
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359 | } |
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360 | }, |
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361 | |
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362 | setValue : function(v){ |
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363 | if(this.emptyText && this.el && !Ext.isEmpty(v)){ |
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364 | this.el.removeClass(this.emptyClass); |
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365 | } |
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366 | Ext.form.TextField.superclass.setValue.apply(this, arguments); |
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367 | this.applyEmptyText(); |
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368 | this.autoSize(); |
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369 | return this; |
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370 | }, |
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371 | |
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372 | /** |
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373 | * <p>Validates a value according to the field's validation rules and returns an array of errors |
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374 | * for any failing validations. Validation rules are processed in the following order:</p> |
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375 | * <div class="mdetail-params"><ul> |
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376 | * |
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377 | * <li><b>1. Field specific validator</b> |
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378 | * <div class="sub-desc"> |
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379 | * <p>A validator offers a way to customize and reuse a validation specification. |
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380 | * If a field is configured with a <code>{@link #validator}</code> |
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381 | * function, it will be passed the current field value. The <code>{@link #validator}</code> |
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382 | * function is expected to return either: |
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383 | * <div class="mdetail-params"><ul> |
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384 | * <li>Boolean <tt>true</tt> if the value is valid (validation continues).</li> |
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385 | * <li>a String to represent the invalid message if invalid (validation halts).</li> |
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386 | * </ul></div> |
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387 | * </div></li> |
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388 | * |
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389 | * <li><b>2. Basic Validation</b> |
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390 | * <div class="sub-desc"> |
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391 | * <p>If the <code>{@link #validator}</code> has not halted validation, |
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392 | * basic validation proceeds as follows:</p> |
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393 | * |
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394 | * <div class="mdetail-params"><ul> |
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395 | * |
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396 | * <li><code>{@link #allowBlank}</code> : (Invalid message = |
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397 | * <code>{@link #emptyText}</code>)<div class="sub-desc"> |
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398 | * Depending on the configuration of <code>{@link #allowBlank}</code>, a |
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399 | * blank field will cause validation to halt at this step and return |
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400 | * Boolean true or false accordingly. |
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401 | * </div></li> |
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402 | * |
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403 | * <li><code>{@link #minLength}</code> : (Invalid message = |
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404 | * <code>{@link #minLengthText}</code>)<div class="sub-desc"> |
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405 | * If the passed value does not satisfy the <code>{@link #minLength}</code> |
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406 | * specified, validation halts. |
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407 | * </div></li> |
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408 | * |
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409 | * <li><code>{@link #maxLength}</code> : (Invalid message = |
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410 | * <code>{@link #maxLengthText}</code>)<div class="sub-desc"> |
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411 | * If the passed value does not satisfy the <code>{@link #maxLength}</code> |
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412 | * specified, validation halts. |
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413 | * </div></li> |
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414 | * |
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415 | * </ul></div> |
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416 | * </div></li> |
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417 | * |
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418 | * <li><b>3. Preconfigured Validation Types (VTypes)</b> |
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419 | * <div class="sub-desc"> |
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420 | * <p>If none of the prior validation steps halts validation, a field |
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421 | * configured with a <code>{@link #vtype}</code> will utilize the |
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422 | * corresponding {@link Ext.form.VTypes VTypes} validation function. |
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423 | * If invalid, either the field's <code>{@link #vtypeText}</code> or |
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424 | * the VTypes vtype Text property will be used for the invalid message. |
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425 | * Keystrokes on the field will be filtered according to the VTypes |
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426 | * vtype Mask property.</p> |
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427 | * </div></li> |
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428 | * |
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429 | * <li><b>4. Field specific regex test</b> |
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430 | * <div class="sub-desc"> |
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431 | * <p>If none of the prior validation steps halts validation, a field's |
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432 | * configured <code>{@link #regex}</code> test will be processed. |
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433 | * The invalid message for this test is configured with |
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434 | * <code>{@link #regexText}</code>.</p> |
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435 | * </div></li> |
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436 | * |
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437 | * @param {Mixed} value The value to validate. The processed raw value will be used if nothing is passed |
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438 | * @return {Array} Array of any validation errors |
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439 | */ |
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440 | getErrors: function(value) { |
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441 | var errors = Ext.form.TextField.superclass.getErrors.apply(this, arguments); |
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442 | |
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443 | value = Ext.isDefined(value) ? value : this.processValue(this.getRawValue()); |
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444 | |
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445 | if (Ext.isFunction(this.validator)) { |
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446 | var msg = this.validator(value); |
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447 | if (msg !== true) { |
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448 | errors.push(msg); |
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449 | } |
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450 | } |
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451 | |
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452 | if (value.length < 1 || value === this.emptyText) { |
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453 | if (this.allowBlank) { |
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454 | //if value is blank and allowBlank is true, there cannot be any additional errors |
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455 | return errors; |
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456 | } else { |
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457 | errors.push(this.blankText); |
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458 | } |
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459 | } |
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460 | |
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461 | if (!this.allowBlank && (value.length < 1 || value === this.emptyText)) { // if it's blank |
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462 | errors.push(this.blankText); |
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463 | } |
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464 | |
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465 | if (value.length < this.minLength) { |
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466 | errors.push(String.format(this.minLengthText, this.minLength)); |
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467 | } |
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468 | |
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469 | if (value.length > this.maxLength) { |
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470 | errors.push(String.format(this.maxLengthText, this.maxLength)); |
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471 | } |
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472 | |
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473 | if (this.vtype) { |
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474 | var vt = Ext.form.VTypes; |
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475 | if(!vt[this.vtype](value, this)){ |
---|
476 | errors.push(this.vtypeText || vt[this.vtype +'Text']); |
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477 | } |
---|
478 | } |
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479 | |
---|
480 | if (this.regex && !this.regex.test(value)) { |
---|
481 | errors.push(this.regexText); |
---|
482 | } |
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483 | |
---|
484 | return errors; |
---|
485 | }, |
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486 | |
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487 | /** |
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488 | * Selects text in this field |
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489 | * @param {Number} start (optional) The index where the selection should start (defaults to 0) |
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490 | * @param {Number} end (optional) The index where the selection should end (defaults to the text length) |
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491 | */ |
---|
492 | selectText : function(start, end){ |
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493 | var v = this.getRawValue(); |
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494 | var doFocus = false; |
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495 | if(v.length > 0){ |
---|
496 | start = start === undefined ? 0 : start; |
---|
497 | end = end === undefined ? v.length : end; |
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498 | var d = this.el.dom; |
---|
499 | if(d.setSelectionRange){ |
---|
500 | d.setSelectionRange(start, end); |
---|
501 | }else if(d.createTextRange){ |
---|
502 | var range = d.createTextRange(); |
---|
503 | range.moveStart('character', start); |
---|
504 | range.moveEnd('character', end-v.length); |
---|
505 | range.select(); |
---|
506 | } |
---|
507 | doFocus = Ext.isGecko || Ext.isOpera; |
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508 | }else{ |
---|
509 | doFocus = true; |
---|
510 | } |
---|
511 | if(doFocus){ |
---|
512 | this.focus(); |
---|
513 | } |
---|
514 | }, |
---|
515 | |
---|
516 | /** |
---|
517 | * Automatically grows the field to accomodate the width of the text up to the maximum field width allowed. |
---|
518 | * This only takes effect if <tt><b>{@link #grow}</b> = true</tt>, and fires the {@link #autosize} event. |
---|
519 | */ |
---|
520 | autoSize : function(){ |
---|
521 | if(!this.grow || !this.rendered){ |
---|
522 | return; |
---|
523 | } |
---|
524 | if(!this.metrics){ |
---|
525 | this.metrics = Ext.util.TextMetrics.createInstance(this.el); |
---|
526 | } |
---|
527 | var el = this.el; |
---|
528 | var v = el.dom.value; |
---|
529 | var d = document.createElement('div'); |
---|
530 | d.appendChild(document.createTextNode(v)); |
---|
531 | v = d.innerHTML; |
---|
532 | Ext.removeNode(d); |
---|
533 | d = null; |
---|
534 | v += ' '; |
---|
535 | var w = Math.min(this.growMax, Math.max(this.metrics.getWidth(v) + /* add extra padding */ 10, this.growMin)); |
---|
536 | this.el.setWidth(w); |
---|
537 | this.fireEvent('autosize', this, w); |
---|
538 | }, |
---|
539 | |
---|
540 | onDestroy: function(){ |
---|
541 | if(this.validationTask){ |
---|
542 | this.validationTask.cancel(); |
---|
543 | this.validationTask = null; |
---|
544 | } |
---|
545 | Ext.form.TextField.superclass.onDestroy.call(this); |
---|
546 | } |
---|
547 | }); |
---|
548 | Ext.reg('textfield', Ext.form.TextField); |
---|