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<?php
/**
* IDataSource, TDataSourceControl, TReadOnlyDataSource class file
*
* @author Qiang Xue <qiang.xue@gmail.com>
* @link https://github.com/pradosoft/prado
* @copyright Copyright © 2005-2016 The PRADO Group
* @license https://github.com/pradosoft/prado/blob/master/COPYRIGHT
* @package System.Web.UI.WebControls
*/
/**
* IDataSource class
*
* @author Qiang Xue <qiang.xue@gmail.com>
* @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>
* @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>
* @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);
}
}
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