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<?php
/**
* TCheckBoxColumn 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
*/
/**
* TDataGridColumn class file
*/
Prado::using('System.Web.UI.WebControls.TDataGridColumn');
/**
* TCheckBoxColumn class
*
* TCheckBoxColumn represents a column that is bound to a field in a data source.
* The cells in the column will be displayed using the data indexed by
* <b>DataField</b>. You can customize the display by setting <b>DataFormatString</b>.
*
* If <b>ReadOnly</b> is false, TCheckBoxColumn will display cells in edit mode
* with textboxes. Otherwise, a static text is displayed.
*
* @author Qiang Xue <qiang.xue@gmail.com>
* @version $Revision: $ $Date: $
* @package System.Web.UI.WebControls
* @since 3.0
*/
class TCheckBoxColumn extends TDataGridColumn
{
/**
* @return string the field name from the data source to bind to the column
*/
public function getDataField()
{
return $this->getViewState('DataField','');
}
/**
* @param string the field name from the data source to bind to the column
*/
public function setDataField($value)
{
$this->setViewState('DataField',$value,'');
$this->onColumnChanged();
}
/**
* @return boolean whether the items in the column can be edited. Defaults to false.
*/
public function getReadOnly()
{
return $this->getViewState('ReadOnly',false);
}
/**
* @param boolean whether the items in the column can be edited
*/
public function setReadOnly($value)
{
$this->setViewState('ReadOnly',TPropertyValue::ensureBoolean($value),false);
$this->onColumnChanged();
}
/**
* Initializes the specified cell to its initial values.
* This method overrides the parent implementation.
* It creates a textbox for item in edit mode and the column is not read-only.
* Otherwise it displays a static text.
* The caption of the button and the static text are retrieved
* from the datasource.
* @param TTableCell the cell to be initialized.
* @param integer the index to the Columns property that the cell resides in.
* @param string the type of cell (Header,Footer,Item,AlternatingItem,EditItem,SelectedItem)
*/
public function initializeCell($cell,$columnIndex,$itemType)
{
parent::initializeCell($cell,$columnIndex,$itemType);
if($itemType==='EditItem' || $itemType==='Item'
|| $itemType==='AlternatingItem' || $itemType==='SelectedItem')
{
$checkBox=Prado::createComponent('System.Web.UI.WebControls.TCheckBox');
if($this->getReadOnly() || $itemType!=='EditItem')
$checkBox->setEnabled(false);
$cell->setHorizontalAlign('Center');
$cell->getControls()->add($checkBox);
if(($dataField=$this->getDataField())!=='')
$checkBox->attachEventHandler('OnDataBinding',array($this,'dataBindColumn'));
}
}
public function dataBindColumn($sender,$param)
{
$item=$sender->getNamingContainer();
$data=$item->getDataItem();
if(($field=$this->getDataField())!=='')
$value=TPropertyValue::ensureBoolean($this->getDataFieldValue($data,$field));
else
$value=TPropertyValue::ensureBoolean($data);
if($sender instanceof TCheckBox)
$sender->setChecked($value);
}
}
?>
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