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<pre class="prettyprint lang-js"><div id="cls-Ext.form.Field"></div>/**
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* @class Ext.form.Field
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* @extends Ext.BoxComponent
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* Base class for form fields that provides default event handling, sizing, value handling and other functionality.
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* @constructor
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* Creates a new Field
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* @param {Object} config Configuration options
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* @xtype field
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*/
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Ext.form.Field = Ext.extend(Ext.BoxComponent, {
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<div id="prop-Ext.form.Field-label"></div>/**
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* <p>The label Element associated with this Field. <b>Only available after this Field has been rendered by a
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* {@link form Ext.layout.FormLayout} layout manager.</b></p>
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* @type Ext.Element
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* @property label
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*/
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<div id="cfg-Ext.form.Field-inputType"></div>/**
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* @cfg {String} inputType The type attribute for input fields -- e.g. radio, text, password, file (defaults
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* to 'text'). The types 'file' and 'password' must be used to render those field types currently -- there are
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* no separate Ext components for those. Note that if you use <tt>inputType:'file'</tt>, {@link #emptyText}
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* is not supported and should be avoided.
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*/
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<div id="cfg-Ext.form.Field-tabIndex"></div>/**
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* @cfg {Number} tabIndex The tabIndex for this field. Note this only applies to fields that are rendered,
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* not those which are built via applyTo (defaults to undefined).
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*/
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<div id="cfg-Ext.form.Field-value"></div>/**
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* @cfg {Mixed} value A value to initialize this field with (defaults to undefined).
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*/
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<div id="cfg-Ext.form.Field-name"></div>/**
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* @cfg {String} name The field's HTML name attribute (defaults to '').
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* <b>Note</b>: this property must be set if this field is to be automatically included with
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* {@link Ext.form.BasicForm#submit form submit()}.
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*/
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<div id="cfg-Ext.form.Field-cls"></div>/**
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* @cfg {String} cls A custom CSS class to apply to the field's underlying element (defaults to '').
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*/
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<div id="cfg-Ext.form.Field-invalidClass"></div>/**
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* @cfg {String} invalidClass The CSS class to use when marking a field invalid (defaults to 'x-form-invalid')
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*/
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invalidClass : 'x-form-invalid',
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<div id="cfg-Ext.form.Field-invalidText"></div>/**
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* @cfg {String} invalidText The error text to use when marking a field invalid and no message is provided
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* (defaults to 'The value in this field is invalid')
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*/
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invalidText : 'The value in this field is invalid',
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<div id="cfg-Ext.form.Field-focusClass"></div>/**
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* @cfg {String} focusClass The CSS class to use when the field receives focus (defaults to 'x-form-focus')
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*/
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focusClass : 'x-form-focus',
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<div id="cfg-Ext.form.Field-preventMark"></div>/**
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* @cfg {Boolean} preventMark
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* <tt>true</tt> to disable {@link #markInvalid marking the field invalid}.
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* Defaults to <tt>false</tt>.
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*/
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<div id="cfg-Ext.form.Field-validationEvent"></div>/**
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* @cfg {String/Boolean} validationEvent The event that should initiate field validation. Set to false to disable
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automatic validation (defaults to 'keyup').
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*/
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validationEvent : 'keyup',
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<div id="cfg-Ext.form.Field-validateOnBlur"></div>/**
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* @cfg {Boolean} validateOnBlur Whether the field should validate when it loses focus (defaults to true).
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*/
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validateOnBlur : true,
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<div id="cfg-Ext.form.Field-validationDelay"></div>/**
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* @cfg {Number} validationDelay The length of time in milliseconds after user input begins until validation
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* is initiated (defaults to 250)
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*/
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validationDelay : 250,
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<div id="cfg-Ext.form.Field-autoCreate"></div>/**
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* @cfg {String/Object} autoCreate <p>A {@link Ext.DomHelper DomHelper} element spec, or true for a default
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* element spec. Used to create the {@link Ext.Component#getEl Element} which will encapsulate this Component.
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* See <tt>{@link Ext.Component#autoEl autoEl}</tt> for details. Defaults to:</p>
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* <pre><code>{tag: 'input', type: 'text', size: '20', autocomplete: 'off'}</code></pre>
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*/
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defaultAutoCreate : {tag: 'input', type: 'text', size: '20', autocomplete: 'off'},
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<div id="cfg-Ext.form.Field-fieldClass"></div>/**
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* @cfg {String} fieldClass The default CSS class for the field (defaults to 'x-form-field')
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*/
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fieldClass : 'x-form-field',
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<div id="cfg-Ext.form.Field-msgTarget<p>The"></div>/**
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* @cfg {String} msgTarget<p>The location where the message text set through {@link #markInvalid} should display.
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* Must be one of the following values:</p>
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* <div class="mdetail-params"><ul>
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* <li><code>qtip</code> Display a quick tip containing the message when the user hovers over the field. This is the default.
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* <div class="subdesc"><b>{@link Ext.QuickTips#init Ext.QuickTips.init} must have been called for this setting to work.</b></div</li>
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* <li><code>title</code> Display the message in a default browser title attribute popup.</li>
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* <li><code>under</code> Add a block div beneath the field containing the error message.</li>
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* <li><code>side</code> Add an error icon to the right of the field, displaying the message in a popup on hover.</li>
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* <li><code>[element id]</code> Add the error message directly to the innerHTML of the specified element.</li>
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* </ul></div>
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*/
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msgTarget : 'qtip',
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<div id="cfg-Ext.form.Field-msgFx"></div>/**
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* @cfg {String} msgFx <b>Experimental</b> The effect used when displaying a validation message under the field
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* (defaults to 'normal').
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*/
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msgFx : 'normal',
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<div id="cfg-Ext.form.Field-readOnly"></div>/**
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* @cfg {Boolean} readOnly <tt>true</tt> to mark the field as readOnly in HTML
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* (defaults to <tt>false</tt>).
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* <br><p><b>Note</b>: this only sets the element's readOnly DOM attribute.
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* Setting <code>readOnly=true</code>, for example, will not disable triggering a
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* ComboBox or DateField; it gives you the option of forcing the user to choose
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* via the trigger without typing in the text box. To hide the trigger use
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* <code>{@link Ext.form.TriggerField#hideTrigger hideTrigger}</code>.</p>
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*/
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readOnly : false,
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<div id="cfg-Ext.form.Field-disabled"></div>/**
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* @cfg {Boolean} disabled True to disable the field (defaults to false).
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* <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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* disabled Fields will not be {@link Ext.form.BasicForm#submit submitted}.</p>
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*/
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disabled : false,
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<div id="cfg-Ext.form.Field-submitValue"></div>/**
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* @cfg {Boolean} submitValue False to clear the name attribute on the field so that it is not submitted during a form post.
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* Defaults to <tt>true</tt>.
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*/
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submitValue: true,
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// private
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isFormField : true,
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// private
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msgDisplay: '',
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// private
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hasFocus : false,
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// private
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initComponent : function(){
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Ext.form.Field.superclass.initComponent.call(this);
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this.addEvents(
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<div id="event-Ext.form.Field-focus"></div>/**
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* @event focus
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* Fires when this field receives input focus.
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* @param {Ext.form.Field} this
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*/
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'focus',
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<div id="event-Ext.form.Field-blur"></div>/**
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* @event blur
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* Fires when this field loses input focus.
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* @param {Ext.form.Field} this
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*/
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'blur',
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<div id="event-Ext.form.Field-specialkey"></div>/**
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* @event specialkey
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* Fires when any key related to navigation (arrows, tab, enter, esc, etc.) is pressed.
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* To handle other keys see {@link Ext.Panel#keys} or {@link Ext.KeyMap}.
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* You can check {@link Ext.EventObject#getKey} to determine which key was pressed.
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* For example: <pre><code>
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var form = new Ext.form.FormPanel({
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...
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items: [{
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fieldLabel: 'Field 1',
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name: 'field1',
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allowBlank: false
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},{
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fieldLabel: 'Field 2',
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name: 'field2',
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listeners: {
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specialkey: function(field, e){
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// e.HOME, e.END, e.PAGE_UP, e.PAGE_DOWN,
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// e.TAB, e.ESC, arrow keys: e.LEFT, e.RIGHT, e.UP, e.DOWN
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if (e.{@link Ext.EventObject#getKey getKey()} == e.ENTER) {
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var form = field.ownerCt.getForm();
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form.submit();
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}
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}
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}
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}
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],
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...
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});
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* </code></pre>
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* @param {Ext.form.Field} this
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* @param {Ext.EventObject} e The event object
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*/
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'specialkey',
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<div id="event-Ext.form.Field-change"></div>/**
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* @event change
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* Fires just before the field blurs if the field value has changed.
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* @param {Ext.form.Field} this
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* @param {Mixed} newValue The new value
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* @param {Mixed} oldValue The original value
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*/
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'change',
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<div id="event-Ext.form.Field-invalid"></div>/**
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* @event invalid
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* Fires after the field has been marked as invalid.
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* @param {Ext.form.Field} this
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* @param {String} msg The validation message
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*/
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'invalid',
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<div id="event-Ext.form.Field-valid"></div>/**
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* @event valid
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* Fires after the field has been validated with no errors.
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* @param {Ext.form.Field} this
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*/
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'valid'
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);
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},
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<div id="method-Ext.form.Field-getName"></div>/**
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* Returns the {@link Ext.form.Field#name name} or {@link Ext.form.ComboBox#hiddenName hiddenName}
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* attribute of the field if available.
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* @return {String} name The field {@link Ext.form.Field#name name} or {@link Ext.form.ComboBox#hiddenName hiddenName}
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*/
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getName : function(){
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return this.rendered && this.el.dom.name ? this.el.dom.name : this.name || this.id || '';
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},
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// private
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onRender : function(ct, position){
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if(!this.el){
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var cfg = this.getAutoCreate();
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if(!cfg.name){
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cfg.name = this.name || this.id;
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}
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if(this.inputType){
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cfg.type = this.inputType;
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}
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this.autoEl = cfg;
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}
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Ext.form.Field.superclass.onRender.call(this, ct, position);
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if(this.submitValue === false){
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this.el.dom.removeAttribute('name');
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}
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var type = this.el.dom.type;
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if(type){
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if(type == 'password'){
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type = 'text';
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}
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this.el.addClass('x-form-'+type);
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}
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if(this.readOnly){
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this.setReadOnly(true);
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}
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if(this.tabIndex !== undefined){
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this.el.dom.setAttribute('tabIndex', this.tabIndex);
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}
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this.el.addClass([this.fieldClass, this.cls]);
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},
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// private
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getItemCt : function(){
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return this.itemCt;
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},
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// private
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initValue : function(){
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if(this.value !== undefined){
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this.setValue(this.value);
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}else if(!Ext.isEmpty(this.el.dom.value) && this.el.dom.value != this.emptyText){
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this.setValue(this.el.dom.value);
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}
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<div id="prop-Ext.form.Field-originalValue"></div>/**
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* The original value of the field as configured in the {@link #value} configuration, or
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* as loaded by the last form load operation if the form's {@link Ext.form.BasicForm#trackResetOnLoad trackResetOnLoad}
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* setting is <code>true</code>.
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* @type mixed
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* @property originalValue
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*/
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this.originalValue = this.getValue();
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},
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<div id="method-Ext.form.Field-isDirty"></div>/**
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* <p>Returns true if the value of this Field has been changed from its original value.
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* Will return false if the field is disabled or has not been rendered yet.</p>
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* <p>Note that if the owning {@link Ext.form.BasicForm form} was configured with
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* {@link Ext.form.BasicForm}.{@link Ext.form.BasicForm#trackResetOnLoad trackResetOnLoad}
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* then the <i>original value</i> is updated when the values are loaded by
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* {@link Ext.form.BasicForm}.{@link Ext.form.BasicForm#setValues setValues}.</p>
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* @return {Boolean} True if this field has been changed from its original value (and
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* is not disabled), false otherwise.
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*/
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isDirty : function() {
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if(this.disabled || !this.rendered) {
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return false;
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}
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return String(this.getValue()) !== String(this.originalValue);
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},
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<div id="method-Ext.form.Field-setReadOnly"></div>/**
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* Sets the read only state of this field.
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* @param {Boolean} readOnly Whether the field should be read only.
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*/
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setReadOnly : function(readOnly){
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if(this.rendered){
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this.el.dom.readOnly = readOnly;
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}
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this.readOnly = readOnly;
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},
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// private
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afterRender : function(){
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Ext.form.Field.superclass.afterRender.call(this);
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this.initEvents();
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this.initValue();
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},
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// private
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fireKey : function(e){
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if(e.isSpecialKey()){
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this.fireEvent('specialkey', this, e);
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}
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},
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<div id="method-Ext.form.Field-reset"></div>/**
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* Resets the current field value to the originally loaded value and clears any validation messages.
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* See {@link Ext.form.BasicForm}.{@link Ext.form.BasicForm#trackResetOnLoad trackResetOnLoad}
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*/
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reset : function(){
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this.setValue(this.originalValue);
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this.clearInvalid();
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},
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// private
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initEvents : function(){
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this.mon(this.el, Ext.EventManager.useKeydown ? 'keydown' : 'keypress', this.fireKey, this);
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this.mon(this.el, 'focus', this.onFocus, this);
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// standardise buffer across all browsers + OS-es for consistent event order.
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// (the 10ms buffer for Editors fixes a weird FF/Win editor issue when changing OS window focus)
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this.mon(this.el, 'blur', this.onBlur, this, this.inEditor ? {buffer:10} : null);
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},
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// private
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preFocus: Ext.emptyFn,
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// private
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onFocus : function(){
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this.preFocus();
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if(this.focusClass){
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this.el.addClass(this.focusClass);
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}
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if(!this.hasFocus){
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this.hasFocus = true;
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<div id="prop-Ext.form.Field-startValue"></div>/**
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* <p>The value that the Field had at the time it was last focused. This is the value that is passed
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* to the {@link #change} event which is fired if the value has been changed when the Field is blurred.</p>
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* <p><b>This will be undefined until the Field has been visited.</b> Compare {@link #originalValue}.</p>
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* @type mixed
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* @property startValue
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*/
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this.startValue = this.getValue();
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this.fireEvent('focus', this);
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}
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},
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// private
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beforeBlur : Ext.emptyFn,
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// private
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onBlur : function(){
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this.beforeBlur();
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if(this.focusClass){
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this.el.removeClass(this.focusClass);
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}
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this.hasFocus = false;
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if(this.validationEvent !== false && (this.validateOnBlur || this.validationEvent == 'blur')){
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this.validate();
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}
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var v = this.getValue();
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if(String(v) !== String(this.startValue)){
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this.fireEvent('change', this, v, this.startValue);
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}
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this.fireEvent('blur', this);
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this.postBlur();
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},
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// private
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postBlur : Ext.emptyFn,
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<div id="method-Ext.form.Field-isValid"></div>/**
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* Returns whether or not the field value is currently valid by
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* {@link #validateValue validating} the {@link #processValue processed value}
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* of the field. <b>Note</b>: {@link #disabled} fields are ignored.
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* @param {Boolean} preventMark True to disable marking the field invalid
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* @return {Boolean} True if the value is valid, else false
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*/
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isValid : function(preventMark){
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if(this.disabled){
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return true;
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}
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var restore = this.preventMark;
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this.preventMark = preventMark === true;
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var v = this.validateValue(this.processValue(this.getRawValue()));
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this.preventMark = restore;
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return v;
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},
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<div id="method-Ext.form.Field-validate"></div>/**
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* Validates the field value
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* @return {Boolean} True if the value is valid, else false
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*/
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validate : function(){
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if(this.disabled || this.validateValue(this.processValue(this.getRawValue()))){
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this.clearInvalid();
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return true;
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}
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return false;
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},
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<div id="method-Ext.form.Field-processValue"></div>/**
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* This method should only be overridden if necessary to prepare raw values
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* for validation (see {@link #validate} and {@link #isValid}). This method
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* is expected to return the processed value for the field which will
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* be used for validation (see validateValue method).
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* @param {Mixed} value
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*/
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processValue : function(value){
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return value;
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},
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/**
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* @private
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* Subclasses should provide the validation implementation by overriding this
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* @param {Mixed} value
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*/
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validateValue : function(value){
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return true;
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},
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<div id="method-Ext.form.Field-getActiveError"></div>/**
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* Gets the active error message for this field.
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* @return {String} Returns the active error message on the field, if there is no error, an empty string is returned.
|
*/
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getActiveError : function(){
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return this.activeError || '';
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},
|
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<div id="method-Ext.form.Field-markInvalid"></div>/**
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* <p>Display an error message associated with this field, using {@link #msgTarget} to determine how to
|
* display the message and applying {@link #invalidClass} to the field's UI element.</p>
|
* <p><b>Note</b>: this method does not cause the Field's {@link #validate} method to return <code>false</code>
|
* if the value does <i>pass</i> validation. So simply marking a Field as invalid will not prevent
|
* submission of forms submitted with the {@link Ext.form.Action.Submit#clientValidation} option set.</p>
|
* {@link #isValid invalid}.
|
* @param {String} msg (optional) The validation message (defaults to {@link #invalidText})
|
*/
|
markInvalid : function(msg){
|
if(!this.rendered || this.preventMark){ // not rendered
|
return;
|
}
|
msg = msg || this.invalidText;
|
|
var mt = this.getMessageHandler();
|
if(mt){
|
mt.mark(this, msg);
|
}else if(this.msgTarget){
|
this.el.addClass(this.invalidClass);
|
var t = Ext.getDom(this.msgTarget);
|
if(t){
|
t.innerHTML = msg;
|
t.style.display = this.msgDisplay;
|
}
|
}
|
this.activeError = msg;
|
this.fireEvent('invalid', this, msg);
|
},
|
|
<div id="method-Ext.form.Field-clearInvalid"></div>/**
|
* Clear any invalid styles/messages for this field
|
*/
|
clearInvalid : function(){
|
if(!this.rendered || this.preventMark){ // not rendered
|
return;
|
}
|
this.el.removeClass(this.invalidClass);
|
var mt = this.getMessageHandler();
|
if(mt){
|
mt.clear(this);
|
}else if(this.msgTarget){
|
this.el.removeClass(this.invalidClass);
|
var t = Ext.getDom(this.msgTarget);
|
if(t){
|
t.innerHTML = '';
|
t.style.display = 'none';
|
}
|
}
|
delete this.activeError;
|
this.fireEvent('valid', this);
|
},
|
|
// private
|
getMessageHandler : function(){
|
return Ext.form.MessageTargets[this.msgTarget];
|
},
|
|
// private
|
getErrorCt : function(){
|
return this.el.findParent('.x-form-element', 5, true) || // use form element wrap if available
|
this.el.findParent('.x-form-field-wrap', 5, true); // else direct field wrap
|
},
|
|
// private
|
alignErrorIcon : function(){
|
this.errorIcon.alignTo(this.el, 'tl-tr', [2, 0]);
|
},
|
|
<div id="method-Ext.form.Field-getRawValue"></div>/**
|
* Returns the raw data value which may or may not be a valid, defined value. To return a normalized value see {@link #getValue}.
|
* @return {Mixed} value The field value
|
*/
|
getRawValue : function(){
|
var v = this.rendered ? this.el.getValue() : Ext.value(this.value, '');
|
if(v === this.emptyText){
|
v = '';
|
}
|
return v;
|
},
|
|
<div id="method-Ext.form.Field-getValue"></div>/**
|
* Returns the normalized data value (undefined or emptyText will be returned as ''). To return the raw value see {@link #getRawValue}.
|
* @return {Mixed} value The field value
|
*/
|
getValue : function(){
|
if(!this.rendered) {
|
return this.value;
|
}
|
var v = this.el.getValue();
|
if(v === this.emptyText || v === undefined){
|
v = '';
|
}
|
return v;
|
},
|
|
<div id="method-Ext.form.Field-setRawValue"></div>/**
|
* Sets the underlying DOM field's value directly, bypassing validation. To set the value with validation see {@link #setValue}.
|
* @param {Mixed} value The value to set
|
* @return {Mixed} value The field value that is set
|
*/
|
setRawValue : function(v){
|
return this.rendered ? (this.el.dom.value = (Ext.isEmpty(v) ? '' : v)) : '';
|
},
|
|
<div id="method-Ext.form.Field-setValue"></div>/**
|
* Sets a data value into the field and validates it. To set the value directly without validation see {@link #setRawValue}.
|
* @param {Mixed} value The value to set
|
* @return {Ext.form.Field} this
|
*/
|
setValue : function(v){
|
this.value = v;
|
if(this.rendered){
|
this.el.dom.value = (Ext.isEmpty(v) ? '' : v);
|
this.validate();
|
}
|
return this;
|
},
|
|
// private, does not work for all fields
|
append : function(v){
|
this.setValue([this.getValue(), v].join(''));
|
}
|
|
<div id="cfg-Ext.form.Field-autoWidth"></div>/**
|
* @cfg {Boolean} autoWidth @hide
|
*/
|
<div id="cfg-Ext.form.Field-autoHeight"></div>/**
|
* @cfg {Boolean} autoHeight @hide
|
*/
|
|
<div id="cfg-Ext.form.Field-autoEl"></div>/**
|
* @cfg {String} autoEl @hide
|
*/
|
});
|
|
|
Ext.form.MessageTargets = {
|
'qtip' : {
|
mark: function(field, msg){
|
field.el.addClass(field.invalidClass);
|
field.el.dom.qtip = msg;
|
field.el.dom.qclass = 'x-form-invalid-tip';
|
if(Ext.QuickTips){ // fix for floating editors interacting with DND
|
Ext.QuickTips.enable();
|
}
|
},
|
clear: function(field){
|
field.el.removeClass(field.invalidClass);
|
field.el.dom.qtip = '';
|
}
|
},
|
'title' : {
|
mark: function(field, msg){
|
field.el.addClass(field.invalidClass);
|
field.el.dom.title = msg;
|
},
|
clear: function(field){
|
field.el.dom.title = '';
|
}
|
},
|
'under' : {
|
mark: function(field, msg){
|
field.el.addClass(field.invalidClass);
|
if(!field.errorEl){
|
var elp = field.getErrorCt();
|
if(!elp){ // field has no container el
|
field.el.dom.title = msg;
|
return;
|
}
|
field.errorEl = elp.createChild({cls:'x-form-invalid-msg'});
|
field.errorEl.setWidth(elp.getWidth(true)-20);
|
}
|
field.errorEl.update(msg);
|
Ext.form.Field.msgFx[field.msgFx].show(field.errorEl, field);
|
},
|
clear: function(field){
|
field.el.removeClass(field.invalidClass);
|
if(field.errorEl){
|
Ext.form.Field.msgFx[field.msgFx].hide(field.errorEl, field);
|
}else{
|
field.el.dom.title = '';
|
}
|
}
|
},
|
'side' : {
|
mark: function(field, msg){
|
field.el.addClass(field.invalidClass);
|
if(!field.errorIcon){
|
var elp = field.getErrorCt();
|
if(!elp){ // field has no container el
|
field.el.dom.title = msg;
|
return;
|
}
|
field.errorIcon = elp.createChild({cls:'x-form-invalid-icon'});
|
}
|
field.alignErrorIcon();
|
field.errorIcon.dom.qtip = msg;
|
field.errorIcon.dom.qclass = 'x-form-invalid-tip';
|
field.errorIcon.show();
|
field.on('resize', field.alignErrorIcon, field);
|
},
|
clear: function(field){
|
field.el.removeClass(field.invalidClass);
|
if(field.errorIcon){
|
field.errorIcon.dom.qtip = '';
|
field.errorIcon.hide();
|
field.un('resize', field.alignErrorIcon, field);
|
}else{
|
field.el.dom.title = '';
|
}
|
}
|
}
|
};
|
|
// anything other than normal should be considered experimental
|
Ext.form.Field.msgFx = {
|
normal : {
|
show: function(msgEl, f){
|
msgEl.setDisplayed('block');
|
},
|
|
hide : function(msgEl, f){
|
msgEl.setDisplayed(false).update('');
|
}
|
},
|
|
slide : {
|
show: function(msgEl, f){
|
msgEl.slideIn('t', {stopFx:true});
|
},
|
|
hide : function(msgEl, f){
|
msgEl.slideOut('t', {stopFx:true,useDisplay:true});
|
}
|
},
|
|
slideRight : {
|
show: function(msgEl, f){
|
msgEl.fixDisplay();
|
msgEl.alignTo(f.el, 'tl-tr');
|
msgEl.slideIn('l', {stopFx:true});
|
},
|
|
hide : function(msgEl, f){
|
msgEl.slideOut('l', {stopFx:true,useDisplay:true});
|
}
|
}
|
};
|
Ext.reg('field', Ext.form.Field);
|
</pre>
|
</body>
|
</html>
|
