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<?php
/**
* TScaffoldListView class file.
*
* @author Wei Zhuo <weizhuo[at]gmail[dot]com>
* @link http://www.pradosoft.com/
* @copyright Copyright © 2005-2007 PradoSoft
* @license http://www.pradosoft.com/license/
* @version $Id$
* @package System.Data.ActiveRecord.Scaffold
*/
/**
* Load the scaffold base class.
*/
Prado::using('System.Data.ActiveRecord.Scaffold.TScaffoldBase');
/**
* TScaffoldListView displays instance of Active Record class.
*
* @author Wei Zhuo <weizho[at]gmail[dot]com>
* @version $Id$
* @package System.Data.ActiveRecord.Scaffold
* @since 3.1
*/
class TScaffoldListView extends TScaffoldBase
{
public function onLoad($param)
{
parent::onLoad($param);
if(!$this->getPage()->getIsPostBack())
$this->initializeSort();
}
protected function initializeSort()
{
$table = $this->getTableMetaData();
$sorts = array('Sort By', str_repeat('-',15));
$headers = array();
foreach($table->getColumns() as $name=>$colum)
{
$fname = ucwords(str_replace('_', ' ', $name));
$sorts[$name.' ASC'] = $fname .' Ascending';
$sorts[$name.' DESC'] = $fname .' Descending';
$headers[] = $fname ;
}
$this->_sort->setDataSource($sorts);
$this->_sort->dataBind();
$this->_header->setDataSource($headers);
$this->_header->dataBind();
}
public function onPreRender($param)
{
parent::onPreRender($param);
$this->loadRecordData();
}
protected function loadRecordData()
{
$this->_list->setVirtualItemCount($this->getRecordFinder()->count());
$finder = $this->getRecordFinder();
$criteria = $this->getRecordCriteria();
$this->_list->setDataSource($finder->findAll($criteria));
$this->_list->dataBind();
}
protected function getRecordCriteria()
{
$total = $this->_list->getVirtualItemCount();
$limit = $this->_list->getPageSize();
$offset = $this->_list->getCurrentPageIndex()*$limit;
if($offset + $limit > $total)
$limit = $total - $offset;
$criteria = new TActiveRecordCriteria($this->getSearchCondition(), $this->getSearchParameters());
$criteria->setLimit($limit);
$criteria->setOffset($offset);
$order = explode(' ',$this->_sort->getSelectedValue(), 2);
if(is_array($order) && count($order) === 2)
$criteria->OrdersBy[$order[0]] = $order[1];
return $criteria;
}
public function setSearchCondition($value)
{
$this->setViewState('SearchCondition', $value);
}
public function getSearchCondition()
{
return $this->getViewState('SearchCondition');
}
public function setSearchParameters($value)
{
$this->setViewState('SearchParameters', TPropertyValue::ensureArray($value),array());
}
public function getSearchParameters()
{
return $this->getViewState('SearchParameters', array());
}
public function bubbleEvent($sender, $param)
{
switch(strtolower($param->getCommandName()))
{
case 'delete':
return $this->deleteRecord($sender, $param);
case 'edit':
$this->initializeEdit($sender, $param);
}
$this->raiseBubbleEvent($this, $param);
return true;
}
protected function initializeEdit($sender, $param)
{
if(($ctrl=$this->getEditViewControl())!==null)
{
if($param instanceof TRepeaterCommandEventParameter)
{
$pk = $param->getItem()->getCustomData();
$ctrl->setRecordPk($pk);
$ctrl->initializeEditForm();
}
}
}
protected function deleteRecord($sender, $param)
{
if($param instanceof TRepeaterCommandEventParameter)
{
$pk = $param->getItem()->getCustomData();
$this->getRecordFinder()->deleteByPk($pk);
}
}
protected function listItemCreated($sender, $param)
{
$item = $param->getItem();
if($item instanceof IItemDataRenderer)
{
$type = $item->getItemType();
if($type==TListItemType::Item || $type==TListItemType::AlternatingItem)
$this->populateField($sender, $param);
}
}
protected function populateField($sender, $param)
{
$item = $param->getItem();
if(($data = $item->getData()) !== null)
{
$item->setCustomData($this->getRecordPkValues($data));
if(($prop = $item->findControl('_properties'))!==null)
{
$item->_properties->setDataSource($this->getRecordPropertyValues($data));
$item->_properties->dataBind();
}
}
}
protected function pageChanged($sender, $param)
{
$this->_list->setCurrentPageIndex($param->getNewPageIndex());
}
public function getList()
{
$this->ensureChildControls();
return $this->getRegisteredObject('_list');
}
public function getPager()
{
$this->ensureChildControls();
return $this->getRegisteredObject('_pager');
}
public function getSort()
{
$this->ensureChildControls();
return $this->getRegisteredObject('_sort');
}
public function getHeader()
{
$this->ensureChildControls();
return $this->getRegisteredObject('_header');
}
public function getEditViewID()
{
return $this->getViewState('EditViewID');
}
public function setEditViewID($value)
{
$this->setViewState('EditViewID', $value);
}
protected function getEditViewControl()
{
if(($id=$this->getEditViewID())!==null)
{
$ctrl = $this->getParent()->findControl($id);
if($ctrl===null)
throw new TConfigurationException('scaffold_unable_to_find_edit_view', $id);
return $ctrl;
}
}
}
?>
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