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