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<?php
/**
* TDataSourceSelectParameters, TDataSourceView, TReadOnlyDataSourceView class file
*
* @author Qiang Xue <qiang.xue@gmail.com>
* @link http://www.pradosoft.com/
* @copyright Copyright © 2005-2013 PradoSoft
* @license http://www.pradosoft.com/license/
* @version $Id: TDataSourceView.php 3245 2013-01-07 20:23:32Z ctrlaltca $
* @package System.Web.UI.WebControls
*/
/**
* TDataSourceSelectParameters class
*
* @author Qiang Xue <qiang.xue@gmail.com>
* @version $Id: TDataSourceView.php 3245 2013-01-07 20:23:32Z ctrlaltca $
* @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 $Id: TDataSourceView.php 3245 2013-01-07 20:23:32Z ctrlaltca $
* @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($parameters);
/**
* Inserts a DB record.
* @param array|TMap
* @return integer affected rows
*/
public function insertAt($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 $this->_owner;
}
public function onDataSourceViewChanged($param)
{
$this->raiseEvent('OnDataSourceViewChanged',$this,$param);
}
}
/**
* TReadOnlyDataSourceView class
*
* @author Qiang Xue <qiang.xue@gmail.com>
* @version $Id: TDataSourceView.php 3245 2013-01-07 20:23:32Z ctrlaltca $
* @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;
}
}
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