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<?php
/**
* TScaffoldSearch class file.
*
* @author Wei Zhuo <weizhuo[at]gmail[dot]com>
* @link http://www.pradosoft.com/
* @copyright Copyright © 2005-2011 PradoSoft
* @license http://www.pradosoft.com/license/
* @version $Id$
* @package System.Data.ActiveRecord.Scaffold
*/
/**
* Import the scaffold base.
*/
Prado::using('System.Data.ActiveRecord.Scaffold.TScaffoldBase');
/**
* TScaffoldSearch provide a simple textbox and a button that is used
* to perform search on a TScaffoldListView with ID given by {@link setListViewID ListViewID}.
*
* The {@link getSearchText SearchText} property is a TTextBox and the
* {@link getSearchButton SearchButton} property is a TButton with label value "Search".
*
* Searchable fields of the Active Record can be restricted by specifying
* a comma delimited string of allowable fields in the
* {@link setSearchableFields SearchableFields} property. The default is null,
* meaning that most text type fields are searched (the default searchable fields
* are database dependent).
*
* @author Wei Zhuo <weizhuo[at]gmail[dot]com>
* @version $Id$
* @package System.Data.ActiveRecord.Scaffold
* @since 3.1
*/
class TScaffoldSearch extends TScaffoldBase
{
/**
* @var TScaffoldListView the scaffold list view.
*/
private $_list;
/**
* @return TScaffoldListView the scaffold list view this search box belongs to.
*/
protected function getListView()
{
if($this->_list===null && ($id = $this->getListViewID()) !== null)
{
$this->_list = $this->getParent()->findControl($id);
if($this->_list ===null)
throw new TConfigurationException('scaffold_unable_to_find_list_view', $id);
}
return $this->_list;
}
/**
* @param string ID of the TScaffoldListView this search control belongs to.
*/
public function setListViewID($value)
{
$this->setViewState('ListViewID', $value);
}
/**
* @return string ID of the TScaffoldListView this search control belongs to.
*/
public function getListViewID()
{
return $this->getViewState('ListViewID');
}
/**
* Sets the SearchCondition of the TScaffoldListView as the search terms
* given by the text of the search text box.
*/
public function bubbleEvent($sender, $param)
{
if(strtolower($param->getCommandName())==='search')
{
if(($list = $this->getListView()) !== null)
{
$list->setSearchCondition($this->createSearchCondition());
return false;
}
}
$this->raiseBubbleEvent($this, $param);
return true;
}
/**
* @return string the search criteria for the search terms in the search text box.
*/
protected function createSearchCondition()
{
$table = $this->getTableInfo();
if(strlen($str=$this->getSearchText()->getText()) > 0)
{
$builder = $table->createCommandBuilder($this->getRecordFinder()->getDbConnection());
return $builder->getSearchExpression($this->getFields(), $str);
}
}
/**
* @return array list of fields to be searched.
*/
protected function getFields()
{
if(strlen(trim($str=$this->getSearchableFields()))>0)
$fields = preg_split('/\s*,\s*/', $str);
else
$fields = $this->getTableInfo()->getColumns()->getKeys();
return $fields;
}
/**
* @return string comma delimited list of fields that may be searched.
*/
public function getSearchableFields()
{
return $this->getViewState('SearchableFields','');
}
/**
* @param string comma delimited list of fields that may be searched.
*/
public function setSearchableFields($value)
{
$this->setViewState('SearchableFields', $value, '');
}
/**
* @return TButton button with default label "Search".
*/
public function getSearchButton()
{
$this->ensureChildControls();
return $this->getRegisteredObject('_search');
}
/**
* @return TTextBox search text box.
*/
public function getSearchText()
{
$this->ensureChildControls();
return $this->getRegisteredObject('_textbox');
}
}
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