<?php /** * TBoundColumn 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'); /** * TBoundColumn class * * TBoundColumn 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 * {@link setDataField DataField}. You can customize the display by * setting {@link setDataFormatString DataFormatString}. * * If {@link setReadOnly ReadOnly} is false, TBoundColumn 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 TBoundColumn 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,''); } /** * @return string the formatting string used to control how the bound data will be displayed. */ public function getDataFormatString() { return $this->getViewState('DataFormatString',''); } /** * @param string the formatting string used to control how the bound data will be displayed. */ public function setDataFormatString($value) { $this->setViewState('DataFormatString',$value,''); } /** * @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); } /** * 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); switch($itemType) { case TDataGrid::IT_EDITITEM: $control=$cell; if(!$this->getReadOnly()) { $textBox=Prado::createComponent('System.Web.UI.WebControls.TTextBox'); $cell->getControls()->add($textBox); $control=$textBox; } if(($dataField=$this->getDataField())!=='') $control->attachEventHandler('OnDataBinding',array($this,'dataBindColumn')); break; case TDataGrid::IT_ITEM: case TDataGrid::IT_ALTERNATINGITEM: case TDataGrid::IT_SELECTEDITEM: if($this->getDataField()!=='') $cell->attachEventHandler('OnDataBinding',array($this,'dataBindColumn')); break; } } /** * Databinds a cell in the column. * This method is invoked when datagrid performs databinding. * It populates the content of the cell with the relevant data from data source. */ public function dataBindColumn($sender,$param) { $item=$sender->getNamingContainer(); $data=$item->getDataItem(); $formatString=$this->getDataFormatString(); if(($field=$this->getDataField())!=='') $value=$this->formatDataValue($formatString,$this->getDataFieldValue($data,$field)); else $value=$this->formatDataValue($formatString,$data); if(($sender instanceof TTableCell) || ($sender instanceof TTextBox)) $sender->setText($value); } } ?>