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<?php
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/**
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* IDataSource, TDataSourceControl, TReadOnlyDataSource class file
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*
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* @author Qiang Xue <qiang.xue@gmail.com>
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* @link http://www.pradosoft.com/
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* @copyright Copyright © 2005-2008 PradoSoft
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* @license http://www.pradosoft.com/license/
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* @version $Id: TDataSourceControl.php 2541 2008-10-21 15:05:13Z qiang.xue $
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* @package System.Web.UI.WebControls
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*/
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/**
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* IDataSource class
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*
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* @author Qiang Xue <qiang.xue@gmail.com>
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* @version $Id: TDataSourceControl.php 2541 2008-10-21 15:05:13Z qiang.xue $
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* @package System.Web.UI.WebControls
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* @since 3.0
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*/
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interface IDataSource
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{
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public function getView($viewName);
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public function getViewNames();
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public function onDataSourceChanged($param);
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}
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/**
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* TDataSourceControl class
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*
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* @author Qiang Xue <qiang.xue@gmail.com>
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* @version $Id: TDataSourceControl.php 2541 2008-10-21 15:05:13Z qiang.xue $
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* @package System.Web.UI.WebControls
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* @since 3.0
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*/
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abstract class TDataSourceControl extends TControl implements IDataSource
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{
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public function getView($viewName)
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{
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return null;
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}
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public function getViewNames()
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{
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return array();
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}
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public function onDataSourceChanged($param)
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{
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$this->raiseEvent('OnDataSourceChanged',$this,$param);
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}
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public function focus()
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{
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throw new TNotSupportedException('datasourcecontrol_focus_unsupported');
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}
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public function getEnableTheming()
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{
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return false;
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}
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public function setEnableTheming($value)
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{
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throw new TNotSupportedException('datasourcecontrol_enabletheming_unsupported');
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}
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public function getSkinID()
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{
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return '';
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}
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public function setSkinID($value)
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{
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throw new TNotSupportedException('datasourcecontrol_skinid_unsupported');
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}
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public function getVisible($checkParents=true)
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{
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return false;
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}
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public function setVisible($value)
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{
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throw new TNotSupportedException('datasourcecontrol_visible_unsupported');
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}
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}
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/**
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* TDataSourceControl class
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*
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* @author Qiang Xue <qiang.xue@gmail.com>
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* @version $Id: TDataSourceControl.php 2541 2008-10-21 15:05:13Z qiang.xue $
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* @package System.Web.UI.WebControls
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* @since 3.0
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*/
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class TReadOnlyDataSource extends TDataSourceControl
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{
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private $_dataSource;
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private $_dataMember;
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public function __construct($dataSource,$dataMember)
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{
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if(!is_array($dataSource) && !($dataSource instanceof IDataSource) && !($dataSource instanceof Traversable))
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throw new TInvalidDataTypeException('readonlydatasource_datasource_invalid');
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$this->_dataSource=$dataSource;
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$this->_dataMember=$dataMember;
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}
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public function getView($viewName)
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{
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if($this->_dataSource instanceof IDataSource)
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return $this->_dataSource->getView($viewName);
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else
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return new TReadOnlyDataSourceView($this,$this->_dataMember,$this->_dataSource);
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}
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}
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