/*
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This file is part of Ext JS 4.2
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Copyright (c) 2011-2013 Sencha Inc
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Contact: http://www.sencha.com/contact
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GNU General Public License Usage
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This file may be used under the terms of the GNU General Public License version 3.0 as
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published by the Free Software Foundation and appearing in the file LICENSE included in the
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packaging of this file.
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Please review the following information to ensure the GNU General Public License version 3.0
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requirements will be met: http://www.gnu.org/copyleft/gpl.html.
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If you are unsure which license is appropriate for your use, please contact the sales department
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at http://www.sencha.com/contact.
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Build date: 2013-05-16 14:36:50 (f9be68accb407158ba2b1be2c226a6ce1f649314)
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*/
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/**
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* @author Ed Spencer
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* @class Ext.data.Errors
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*
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* <p>Wraps a collection of validation error responses and provides convenient functions for
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* accessing and errors for specific fields.</p>
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*
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* <p>Usually this class does not need to be instantiated directly - instances are instead created
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* automatically when {@link Ext.data.Model#validate validate} on a model instance:</p>
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*
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<pre><code>
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//validate some existing model instance - in this case it returned 2 failures messages
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var errors = myModel.validate();
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errors.isValid(); //false
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errors.length; //2
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errors.getByField('name'); // [{field: 'name', message: 'must be present'}]
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errors.getByField('title'); // [{field: 'title', message: 'is too short'}]
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</code></pre>
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*/
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Ext.define('Ext.data.Errors', {
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extend: 'Ext.util.MixedCollection',
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/**
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* Returns true if there are no errors in the collection
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* @return {Boolean}
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*/
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isValid: function() {
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return this.length === 0;
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},
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/**
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* Returns all of the errors for the given field
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* @param {String} fieldName The field to get errors for
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* @return {Object[]} All errors for the given field
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*/
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getByField: function(fieldName) {
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var errors = [],
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error, i;
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for (i = 0; i < this.length; i++) {
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error = this.items[i];
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if (error.field == fieldName) {
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errors.push(error);
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}
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}
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return errors;
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}
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});
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