/** * @class Ext.data.reader.Array * * <p>Data reader class to create an Array of {@link Ext.data.Model} objects from an Array. * Each element of that Array represents a row of data fields. The * fields are pulled into a Record object using as a subscript, the <code>mapping</code> property * of the field definition if it exists, or the field's ordinal position in the definition.</p> * * <p><u>Example code:</u></p> * <pre><code>Employee = Ext.define('Employee', { extend: 'Ext.data.Model', fields: [ 'id', {name: 'name', mapping: 1}, // "mapping" only needed if an "id" field is present which {name: 'occupation', mapping: 2} // precludes using the ordinal position as the index. ]}); var myReader = new Ext.data.reader.Array({ model: 'Employee'}, Employee);</code></pre> * * <p>This would consume an Array like this:</p> * <pre><code>[ [1, 'Bill', 'Gardener'], [2, 'Ben', 'Horticulturalist'] ]</code></pre> * * @constructor * Create a new ArrayReader * @param {Object} meta Metadata configuration options. */Ext.define('Ext.data.reader.Array', { extend: 'Ext.data.reader.Json', alternateClassName: 'Ext.data.ArrayReader', alias : 'reader.array', // For Array Reader, methods in the base which use these properties must not see the defaults config: { totalProperty: undefined, successProperty: undefined /** * @cfg {Boolean} preserveRawData * @hide */ }, createFieldAccessor: function(field) { // In the absence of a mapping property, use the original ordinal position // at which the Model inserted the field into its collection. var oldMap = field.mapping, index = field.hasMapping() ? oldMap : field.ordinal, result; // Temporarily overwrite the mapping and use the superclass method. field.mapping = index; result = this.callParent(arguments); field.mapping = oldMap; return result; }, getModelData: function(raw) { // Can't preserve raw data here return {}; }});