562 lines
26 KiB
HTML
562 lines
26 KiB
HTML
<!DOCTYPE html>
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<pre class="prettyprint lang-js"><span id='Ext-form-TextField-method-constructor'><span id='Ext-form-TextField'>/**
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</span></span> * @class Ext.form.TextField
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* @extends Ext.form.Field
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* <p>Basic text field. Can be used as a direct replacement for traditional text inputs,
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* or as the base class for more sophisticated input controls (like {@link Ext.form.TextArea}
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* and {@link Ext.form.ComboBox}).</p>
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* <p><b><u>Validation</u></b></p>
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* <p>The validation procedure is described in the documentation for {@link #validateValue}.</p>
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* <p><b><u>Alter Validation Behavior</u></b></p>
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* <p>Validation behavior for each field can be configured:</p>
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* <div class="mdetail-params"><ul>
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* <li><code>{@link Ext.form.TextField#invalidText invalidText}</code> : the default validation message to
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* show if any validation step above does not provide a message when invalid</li>
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* <li><code>{@link Ext.form.TextField#maskRe maskRe}</code> : filter out keystrokes before any validation occurs</li>
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* <li><code>{@link Ext.form.TextField#stripCharsRe stripCharsRe}</code> : filter characters after being typed in,
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* but before being validated</li>
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* <li><code>{@link Ext.form.Field#invalidClass invalidClass}</code> : alternate style when invalid</li>
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* <li><code>{@link Ext.form.Field#validateOnBlur validateOnBlur}</code>,
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* <code>{@link Ext.form.Field#validationDelay validationDelay}</code>, and
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* <code>{@link Ext.form.Field#validationEvent validationEvent}</code> : modify how/when validation is triggered</li>
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* </ul></div>
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*
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* @constructor Creates a new TextField
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* @param {Object} config Configuration options
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*
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* @xtype textfield
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*/
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Ext.form.TextField = Ext.extend(Ext.form.Field, {
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<span id='Ext-form-TextField-cfg-vtypeText'> /**
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</span> * @cfg {String} vtypeText A custom error message to display in place of the default message provided
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* for the <b><code>{@link #vtype}</code></b> currently set for this field (defaults to <tt>''</tt>). <b>Note</b>:
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* only applies if <b><code>{@link #vtype}</code></b> is set, else ignored.
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*/
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<span id='Ext-form-TextField-cfg-stripCharsRe'> /**
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</span> * @cfg {RegExp} stripCharsRe A JavaScript RegExp object used to strip unwanted content from the value
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* before validation (defaults to <tt>null</tt>).
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*/
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<span id='Ext-form-TextField-cfg-grow'> /**
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</span> * @cfg {Boolean} grow <tt>true</tt> if this field should automatically grow and shrink to its content
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* (defaults to <tt>false</tt>)
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*/
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grow : false,
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<span id='Ext-form-TextField-cfg-growMin'> /**
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</span> * @cfg {Number} growMin The minimum width to allow when <code><b>{@link #grow}</b> = true</code> (defaults
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* to <tt>30</tt>)
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*/
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growMin : 30,
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<span id='Ext-form-TextField-cfg-growMax'> /**
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</span> * @cfg {Number} growMax The maximum width to allow when <code><b>{@link #grow}</b> = true</code> (defaults
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* to <tt>800</tt>)
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*/
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growMax : 800,
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<span id='Ext-form-TextField-cfg-vtype'> /**
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</span> * @cfg {String} vtype A validation type name as defined in {@link Ext.form.VTypes} (defaults to <tt>null</tt>)
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*/
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vtype : null,
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<span id='Ext-form-TextField-cfg-maskRe'> /**
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</span> * @cfg {RegExp} maskRe An input mask regular expression that will be used to filter keystrokes that do
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* not match (defaults to <tt>null</tt>). The maskRe will not operate on any paste events.
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*/
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maskRe : null,
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<span id='Ext-form-TextField-cfg-disableKeyFilter'> /**
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</span> * @cfg {Boolean} disableKeyFilter Specify <tt>true</tt> to disable input keystroke filtering (defaults
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* to <tt>false</tt>)
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*/
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disableKeyFilter : false,
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<span id='Ext-form-TextField-cfg-allowBlank'> /**
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</span> * @cfg {Boolean} allowBlank Specify <tt>false</tt> to validate that the value's length is > 0 (defaults to
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* <tt>true</tt>)
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*/
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allowBlank : true,
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<span id='Ext-form-TextField-cfg-minLength'> /**
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</span> * @cfg {Number} minLength Minimum input field length required (defaults to <tt>0</tt>)
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*/
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minLength : 0,
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<span id='Ext-form-TextField-cfg-maxLength'> /**
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</span> * @cfg {Number} maxLength Maximum input field length allowed by validation (defaults to Number.MAX_VALUE).
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* This behavior is intended to provide instant feedback to the user by improving usability to allow pasting
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* and editing or overtyping and back tracking. To restrict the maximum number of characters that can be
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* entered into the field use <tt><b>{@link Ext.form.Field#autoCreate autoCreate}</b></tt> to add
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* any attributes you want to a field, for example:<pre><code>
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var myField = new Ext.form.NumberField({
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id: 'mobile',
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anchor:'90%',
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fieldLabel: 'Mobile',
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maxLength: 16, // for validation
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autoCreate: {tag: 'input', type: 'text', size: '20', autocomplete: 'off', maxlength: '10'}
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});
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</code></pre>
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*/
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maxLength : Number.MAX_VALUE,
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<span id='Ext-form-TextField-cfg-minLengthText'> /**
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</span> * @cfg {String} minLengthText Error text to display if the <b><tt>{@link #minLength minimum length}</tt></b>
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* validation fails (defaults to <tt>'The minimum length for this field is {minLength}'</tt>)
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*/
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minLengthText : 'The minimum length for this field is {0}',
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<span id='Ext-form-TextField-cfg-maxLengthText'> /**
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</span> * @cfg {String} maxLengthText Error text to display if the <b><tt>{@link #maxLength maximum length}</tt></b>
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* validation fails (defaults to <tt>'The maximum length for this field is {maxLength}'</tt>)
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*/
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maxLengthText : 'The maximum length for this field is {0}',
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<span id='Ext-form-TextField-cfg-selectOnFocus'> /**
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</span> * @cfg {Boolean} selectOnFocus <tt>true</tt> to automatically select any existing field text when the field
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* receives input focus (defaults to <tt>false</tt>)
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*/
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selectOnFocus : false,
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<span id='Ext-form-TextField-cfg-blankText'> /**
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</span> * @cfg {String} blankText The error text to display if the <b><tt>{@link #allowBlank}</tt></b> validation
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* fails (defaults to <tt>'This field is required'</tt>)
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*/
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blankText : 'This field is required',
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<span id='Ext-form-TextField-cfg-validator'> /**
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</span> * @cfg {Function} validator
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* <p>A custom validation function to be called during field validation ({@link #validateValue})
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* (defaults to <tt>null</tt>). If specified, this function will be called first, allowing the
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* developer to override the default validation process.</p>
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* <br><p>This function will be passed the following Parameters:</p>
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* <div class="mdetail-params"><ul>
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* <li><code>value</code>: <i>Mixed</i>
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* <div class="sub-desc">The current field value</div></li>
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* </ul></div>
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* <br><p>This function is to Return:</p>
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* <div class="mdetail-params"><ul>
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* <li><code>true</code>: <i>Boolean</i>
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* <div class="sub-desc"><code>true</code> if the value is valid</div></li>
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* <li><code>msg</code>: <i>String</i>
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* <div class="sub-desc">An error message if the value is invalid</div></li>
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* </ul></div>
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*/
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validator : null,
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<span id='Ext-form-TextField-cfg-regex'> /**
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</span> * @cfg {RegExp} regex A JavaScript RegExp object to be tested against the field value during validation
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* (defaults to <tt>null</tt>). If the test fails, the field will be marked invalid using
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* <b><tt>{@link #regexText}</tt></b>.
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*/
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regex : null,
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<span id='Ext-form-TextField-cfg-regexText'> /**
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</span> * @cfg {String} regexText The error text to display if <b><tt>{@link #regex}</tt></b> is used and the
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* test fails during validation (defaults to <tt>''</tt>)
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*/
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regexText : '',
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<span id='Ext-form-TextField-cfg-emptyText'> /**
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</span> * @cfg {String} emptyText The default text to place into an empty field (defaults to <tt>null</tt>).
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* <b>Note</b>: that this value will be submitted to the server if this field is enabled and configured
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* with a {@link #name}.
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*/
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emptyText : null,
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<span id='Ext-form-TextField-cfg-emptyClass'> /**
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</span> * @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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* (defaults to <tt>'x-form-empty-field'</tt>). This class is automatically added and removed as needed
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* depending on the current field value.
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*/
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emptyClass : 'x-form-empty-field',
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<span id='Ext-form-TextField-cfg-enableKeyEvents'> /**
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</span> * @cfg {Boolean} enableKeyEvents <tt>true</tt> to enable the proxying of key events for the HTML input
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* field (defaults to <tt>false</tt>)
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*/
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initComponent : function(){
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Ext.form.TextField.superclass.initComponent.call(this);
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this.addEvents(
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<span id='Ext-form-TextField-event-autosize'> /**
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</span> * @event autosize
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* Fires when the <tt><b>{@link #autoSize}</b></tt> function is triggered. The field may or
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* may not have actually changed size according to the default logic, but this event provides
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* a hook for the developer to apply additional logic at runtime to resize the field if needed.
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* @param {Ext.form.Field} this This text field
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* @param {Number} width The new field width
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*/
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'autosize',
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<span id='Ext-form-TextField-event-keydown'> /**
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</span> * @event keydown
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* Keydown input field event. This event only fires if <tt><b>{@link #enableKeyEvents}</b></tt>
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* is set to true.
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* @param {Ext.form.TextField} this This text field
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* @param {Ext.EventObject} e
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*/
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'keydown',
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<span id='Ext-form-TextField-event-keyup'> /**
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</span> * @event keyup
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* Keyup input field event. This event only fires if <tt><b>{@link #enableKeyEvents}</b></tt>
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* is set to true.
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* @param {Ext.form.TextField} this This text field
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* @param {Ext.EventObject} e
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*/
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'keyup',
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<span id='Ext-form-TextField-event-keypress'> /**
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</span> * @event keypress
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* Keypress input field event. This event only fires if <tt><b>{@link #enableKeyEvents}</b></tt>
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* is set to true.
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* @param {Ext.form.TextField} this This text field
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* @param {Ext.EventObject} e
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*/
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'keypress'
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);
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},
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<span id='Ext-form-TextField-method-initEvents'> // private
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</span> initEvents : function(){
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Ext.form.TextField.superclass.initEvents.call(this);
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if(this.validationEvent == 'keyup'){
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this.validationTask = new Ext.util.DelayedTask(this.validate, this);
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this.mon(this.el, 'keyup', this.filterValidation, this);
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}
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else if(this.validationEvent !== false && this.validationEvent != 'blur'){
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this.mon(this.el, this.validationEvent, this.validate, this, {buffer: this.validationDelay});
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}
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if(this.selectOnFocus || this.emptyText){
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this.mon(this.el, 'mousedown', this.onMouseDown, this);
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if(this.emptyText){
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this.applyEmptyText();
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}
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}
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if(this.maskRe || (this.vtype && this.disableKeyFilter !== true && (this.maskRe = Ext.form.VTypes[this.vtype+'Mask']))){
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this.mon(this.el, 'keypress', this.filterKeys, this);
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}
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if(this.grow){
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this.mon(this.el, 'keyup', this.onKeyUpBuffered, this, {buffer: 50});
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this.mon(this.el, 'click', this.autoSize, this);
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}
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if(this.enableKeyEvents){
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this.mon(this.el, {
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scope: this,
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keyup: this.onKeyUp,
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keydown: this.onKeyDown,
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keypress: this.onKeyPress
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});
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}
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},
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<span id='Ext-form-TextField-method-onMouseDown'> onMouseDown: function(e){
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</span> if(!this.hasFocus){
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this.mon(this.el, 'mouseup', Ext.emptyFn, this, { single: true, preventDefault: true });
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}
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},
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<span id='Ext-form-TextField-method-processValue'> processValue : function(value){
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</span> if(this.stripCharsRe){
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var newValue = value.replace(this.stripCharsRe, '');
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if(newValue !== value){
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this.setRawValue(newValue);
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return newValue;
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}
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}
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return value;
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},
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<span id='Ext-form-TextField-method-filterValidation'> filterValidation : function(e){
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</span> if(!e.isNavKeyPress()){
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this.validationTask.delay(this.validationDelay);
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}
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},
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<span id='Ext-form-TextField-method-onDisable'> //private
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</span> onDisable: function(){
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Ext.form.TextField.superclass.onDisable.call(this);
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if(Ext.isIE){
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this.el.dom.unselectable = 'on';
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}
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},
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<span id='Ext-form-TextField-method-onEnable'> //private
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</span> onEnable: function(){
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Ext.form.TextField.superclass.onEnable.call(this);
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if(Ext.isIE){
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this.el.dom.unselectable = '';
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}
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},
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<span id='Ext-form-TextField-method-onKeyUpBuffered'> // private
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</span> onKeyUpBuffered : function(e){
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if(this.doAutoSize(e)){
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this.autoSize();
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}
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},
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<span id='Ext-form-TextField-method-doAutoSize'> // private
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</span> doAutoSize : function(e){
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return !e.isNavKeyPress();
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},
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<span id='Ext-form-TextField-method-onKeyUp'> // private
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</span> onKeyUp : function(e){
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this.fireEvent('keyup', this, e);
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},
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<span id='Ext-form-TextField-method-onKeyDown'> // private
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</span> onKeyDown : function(e){
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this.fireEvent('keydown', this, e);
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},
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<span id='Ext-form-TextField-method-onKeyPress'> // private
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</span> onKeyPress : function(e){
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this.fireEvent('keypress', this, e);
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},
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<span id='Ext-form-TextField-method-reset'> /**
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</span> * Resets the current field value to the originally-loaded value and clears any validation messages.
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* Also adds <tt><b>{@link #emptyText}</b></tt> and <tt><b>{@link #emptyClass}</b></tt> if the
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* original value was blank.
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*/
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reset : function(){
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Ext.form.TextField.superclass.reset.call(this);
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this.applyEmptyText();
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},
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<span id='Ext-form-TextField-method-applyEmptyText'> applyEmptyText : function(){
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</span> if(this.rendered && this.emptyText && this.getRawValue().length < 1 && !this.hasFocus){
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this.setRawValue(this.emptyText);
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this.el.addClass(this.emptyClass);
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}
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},
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<span id='Ext-form-TextField-method-preFocus'> // private
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</span> preFocus : function(){
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var el = this.el,
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isEmpty;
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if(this.emptyText){
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if(el.dom.value == this.emptyText){
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this.setRawValue('');
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isEmpty = true;
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}
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el.removeClass(this.emptyClass);
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}
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if(this.selectOnFocus || isEmpty){
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el.dom.select();
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}
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},
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<span id='Ext-form-TextField-method-postBlur'> // private
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</span> postBlur : function(){
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this.applyEmptyText();
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},
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<span id='Ext-form-TextField-method-filterKeys'> // private
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</span> filterKeys : function(e){
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if(e.ctrlKey){
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return;
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}
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var k = e.getKey();
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if(Ext.isGecko && (e.isNavKeyPress() || k == e.BACKSPACE || (k == e.DELETE && e.button == -1))){
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return;
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}
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var cc = String.fromCharCode(e.getCharCode());
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if(!Ext.isGecko && e.isSpecialKey() && !cc){
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return;
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}
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if(!this.maskRe.test(cc)){
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e.stopEvent();
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}
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},
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<span id='Ext-form-TextField-method-setValue'> setValue : function(v){
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</span> if(this.emptyText && this.el && !Ext.isEmpty(v)){
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this.el.removeClass(this.emptyClass);
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}
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Ext.form.TextField.superclass.setValue.apply(this, arguments);
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this.applyEmptyText();
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this.autoSize();
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return this;
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},
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<span id='Ext-form-TextField-method-getErrors'> /**
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</span> * <p>Validates a value according to the field's validation rules and returns an array of errors
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* for any failing validations. Validation rules are processed in the following order:</p>
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* <div class="mdetail-params"><ul>
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*
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* <li><b>1. Field specific validator</b>
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* <div class="sub-desc">
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* <p>A validator offers a way to customize and reuse a validation specification.
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* If a field is configured with a <code>{@link #validator}</code>
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* function, it will be passed the current field value. The <code>{@link #validator}</code>
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* function is expected to return either:
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* <div class="mdetail-params"><ul>
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* <li>Boolean <tt>true</tt> if the value is valid (validation continues).</li>
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* <li>a String to represent the invalid message if invalid (validation halts).</li>
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* </ul></div>
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* </div></li>
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*
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* <li><b>2. Basic Validation</b>
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* <div class="sub-desc">
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* <p>If the <code>{@link #validator}</code> has not halted validation,
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* basic validation proceeds as follows:</p>
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*
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* <div class="mdetail-params"><ul>
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*
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* <li><code>{@link #allowBlank}</code> : (Invalid message =
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* <code>{@link #emptyText}</code>)<div class="sub-desc">
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* Depending on the configuration of <code>{@link #allowBlank}</code>, a
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* blank field will cause validation to halt at this step and return
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* Boolean true or false accordingly.
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* </div></li>
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*
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* <li><code>{@link #minLength}</code> : (Invalid message =
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* <code>{@link #minLengthText}</code>)<div class="sub-desc">
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* If the passed value does not satisfy the <code>{@link #minLength}</code>
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* specified, validation halts.
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* </div></li>
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*
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* <li><code>{@link #maxLength}</code> : (Invalid message =
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* <code>{@link #maxLengthText}</code>)<div class="sub-desc">
|
|
* If the passed value does not satisfy the <code>{@link #maxLength}</code>
|
|
* specified, validation halts.
|
|
* </div></li>
|
|
*
|
|
* </ul></div>
|
|
* </div></li>
|
|
*
|
|
* <li><b>3. Preconfigured Validation Types (VTypes)</b>
|
|
* <div class="sub-desc">
|
|
* <p>If none of the prior validation steps halts validation, a field
|
|
* configured with a <code>{@link #vtype}</code> will utilize the
|
|
* corresponding {@link Ext.form.VTypes VTypes} validation function.
|
|
* If invalid, either the field's <code>{@link #vtypeText}</code> or
|
|
* the VTypes vtype Text property will be used for the invalid message.
|
|
* Keystrokes on the field will be filtered according to the VTypes
|
|
* vtype Mask property.</p>
|
|
* </div></li>
|
|
*
|
|
* <li><b>4. Field specific regex test</b>
|
|
* <div class="sub-desc">
|
|
* <p>If none of the prior validation steps halts validation, a field's
|
|
* configured <code>{@link #regex}</code> test will be processed.
|
|
* The invalid message for this test is configured with
|
|
* <code>{@link #regexText}</code>.</p>
|
|
* </div></li>
|
|
*
|
|
* @param {Mixed} value The value to validate. The processed raw value will be used if nothing is passed
|
|
* @return {Array} Array of any validation errors
|
|
*/
|
|
getErrors: function(value) {
|
|
var errors = Ext.form.TextField.superclass.getErrors.apply(this, arguments);
|
|
|
|
value = Ext.isDefined(value) ? value : this.processValue(this.getRawValue());
|
|
|
|
if (Ext.isFunction(this.validator)) {
|
|
var msg = this.validator(value);
|
|
if (msg !== true) {
|
|
errors.push(msg);
|
|
}
|
|
}
|
|
|
|
if (value.length < 1 || value === this.emptyText) {
|
|
if (this.allowBlank) {
|
|
//if value is blank and allowBlank is true, there cannot be any additional errors
|
|
return errors;
|
|
} else {
|
|
errors.push(this.blankText);
|
|
}
|
|
}
|
|
|
|
if (!this.allowBlank && (value.length < 1 || value === this.emptyText)) { // if it's blank
|
|
errors.push(this.blankText);
|
|
}
|
|
|
|
if (value.length < this.minLength) {
|
|
errors.push(String.format(this.minLengthText, this.minLength));
|
|
}
|
|
|
|
if (value.length > this.maxLength) {
|
|
errors.push(String.format(this.maxLengthText, this.maxLength));
|
|
}
|
|
|
|
if (this.vtype) {
|
|
var vt = Ext.form.VTypes;
|
|
if(!vt[this.vtype](value, this)){
|
|
errors.push(this.vtypeText || vt[this.vtype +'Text']);
|
|
}
|
|
}
|
|
|
|
if (this.regex && !this.regex.test(value)) {
|
|
errors.push(this.regexText);
|
|
}
|
|
|
|
return errors;
|
|
},
|
|
|
|
<span id='Ext-form-TextField-method-selectText'> /**
|
|
</span> * Selects text in this field
|
|
* @param {Number} start (optional) The index where the selection should start (defaults to 0)
|
|
* @param {Number} end (optional) The index where the selection should end (defaults to the text length)
|
|
*/
|
|
selectText : function(start, end){
|
|
var v = this.getRawValue();
|
|
var doFocus = false;
|
|
if(v.length > 0){
|
|
start = start === undefined ? 0 : start;
|
|
end = end === undefined ? v.length : end;
|
|
var d = this.el.dom;
|
|
if(d.setSelectionRange){
|
|
d.setSelectionRange(start, end);
|
|
}else if(d.createTextRange){
|
|
var range = d.createTextRange();
|
|
range.moveStart('character', start);
|
|
range.moveEnd('character', end-v.length);
|
|
range.select();
|
|
}
|
|
doFocus = Ext.isGecko || Ext.isOpera;
|
|
}else{
|
|
doFocus = true;
|
|
}
|
|
if(doFocus){
|
|
this.focus();
|
|
}
|
|
},
|
|
|
|
<span id='Ext-form-TextField-method-autoSize'> /**
|
|
</span> * Automatically grows the field to accomodate the width of the text up to the maximum field width allowed.
|
|
* This only takes effect if <tt><b>{@link #grow}</b> = true</tt>, and fires the {@link #autosize} event.
|
|
*/
|
|
autoSize : function(){
|
|
if(!this.grow || !this.rendered){
|
|
return;
|
|
}
|
|
if(!this.metrics){
|
|
this.metrics = Ext.util.TextMetrics.createInstance(this.el);
|
|
}
|
|
var el = this.el;
|
|
var v = el.dom.value;
|
|
var d = document.createElement('div');
|
|
d.appendChild(document.createTextNode(v));
|
|
v = d.innerHTML;
|
|
Ext.removeNode(d);
|
|
d = null;
|
|
v += '&#160;';
|
|
var w = Math.min(this.growMax, Math.max(this.metrics.getWidth(v) + /* add extra padding */ 10, this.growMin));
|
|
this.el.setWidth(w);
|
|
this.fireEvent('autosize', this, w);
|
|
},
|
|
|
|
<span id='Ext-form-TextField-method-onDestroy'> onDestroy: function(){
|
|
</span> if(this.validationTask){
|
|
this.validationTask.cancel();
|
|
this.validationTask = null;
|
|
}
|
|
Ext.form.TextField.superclass.onDestroy.call(this);
|
|
}
|
|
});
|
|
Ext.reg('textfield', Ext.form.TextField);
|
|
</pre>
|
|
</body>
|
|
</html>
|