<?php /** * TDataSourceSelectParameters, TDataSourceView, TReadOnlyDataSourceView 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 */ /** * TDataSourceSelectParameters class * * @author Qiang Xue <qiang.xue@gmail.com> * @version $Revision: $ $Date: $ * @package System.Web.UI.WebControls * @since 3.0 */ class TDataSourceSelectParameters extends TComponent { private $_retrieveTotalRowCount=false; private $_startRowIndex=0; private $_totalRowCount=0; private $_maximumRows=0; public function getStartRowIndex() { return $this->_startRowIndex; } public function setStartRowIndex($value) { if(($value=TPropertyValue::ensureInteger($value))<0) $value=0; $this->_startRowIndex=$value; } public function getMaximumRows() { return $this->_maximumRows; } public function setMaximumRows($value) { if(($value=TPropertyValue::ensureInteger($value))<0) $value=0; $this->_maximumRows=$value; } public function getRetrieveTotalRowCount() { return $this->_retrieveTotalRowCount; } public function setRetrieveTotalRowCount($value) { $this->_retrieveTotalRowCount=TPropertyValue::ensureBoolean($value); } public function getTotalRowCount() { return $this->_totalRowCount; } public function setTotalRowCount($value) { if(($value=TPropertyValue::ensureInteger($value))<0) $value=0; $this->_totalRowCount=$value; } } /** * TDataSourceView class * * @author Qiang Xue <qiang.xue@gmail.com> * @version $Revision: $ $Date: $ * @package System.Web.UI.WebControls * @since 3.0 */ abstract class TDataSourceView extends TComponent { private $_owner; private $_name; public function __construct(IDataSource $owner,$viewName) { $this->_owner=$owner; $this->_name=$viewName; } /** * Performs DB selection based on specified parameters. * @param ??? * @return Traversable */ abstract public function select($parameters); /** * Inserts a DB record. * @param array|TMap * @return integer affected rows */ public function insert($values) { throw new TNotSupportedException('datasourceview_insert_unsupported'); } /** * Updates DB record(s) with the specified keys and new values * @param array|TMap keys for specifying the records to be updated * @param array|TMap new values * @return integer affected rows */ public function update($keys,$values) { throw new TNotSupportedException('datasourceview_update_unsupported'); } /** * Deletes DB row(s) with the specified keys. * @param array|TMap keys for specifying the rows to be deleted * @return integer affected rows */ public function delete($keys) { throw new TNotSupportedException('datasourceview_delete_unsupported'); } public function getCanDelete() { return false; } public function getCanInsert() { return false; } public function getCanPage() { return false; } public function getCanGetRowCount() { return false; } public function getCanSort() { return false; } public function getCanUpdate() { return false; } public function getName() { return $this->_name; } public function getDataSource() { return $this->_owner; } protected function onDataSourceViewChanged($param) { $this->raiseEvent('DataSourceViewChanged',$this,$param); } } /** * TReadOnlyDataSourceView class * * @author Qiang Xue <qiang.xue@gmail.com> * @version $Revision: $ $Date: $ * @package System.Web.UI.WebControls * @since 3.0 */ class TReadOnlyDataSourceView extends TDataSourceView { private $_dataSource=null; public function __construct(IDataSource $owner,$viewName,$dataSource) { parent::__construct($owner,$viewName); if($dataSource===null || is_array($dataSource)) $this->_dataSource=new TMap($dataSource); else if($dataSource instanceof Traversable) $this->_dataSource=$dataSource; else throw new TInvalidDataTypeException('readonlydatasourceview_datasource_invalid'); } public function select($parameters) { return $this->_dataSource; } } ?>