framework/Web/UI/ActiveControls/TActiveLiteralColumn.php


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<?php
/**
 * TActiveDataGrid class file
 *
 * @author LANDWEHR Computer und Software GmbH <programmierung@landwehr-software.de>
 * @link http://www.landwehr-software.de/
 * @copyright Copyright &copy; 2009 LANDWEHR Computer und Software GmbH
 * @license http://www.pradosoft.com/license/
 * @package System.Web.UI.ActiveControls
 */

/**
 * TActiveLiteralColumn class
 *
 * TActiveLiteralColumn represents a static text column that is bound to a field in a data source.
 * The cells in the column will be displayed with static texts using the data indexed by
 * {@link setDataField DataField}. You can customize the display by
 * setting {@link setDataFormatString DataFormatString}.
 *
 * If {@link setDataField DataField} is not specified, the cells will be filled
 * with {@link setText Text}.
 *
 * If {@link setEncode Encode} is true, the static texts will be HTML-encoded.
 *
 * This is the active counterpart to the {@link TLiteralColumn} control. For that purpose,
 * if sorting is allowed, the header links/buttons are replaced by active controls.
 *
 * Please refer to the original documentation of the {@link TLiteralColumn} for usage.
 *
 * @author Fabio Bas <ctrlaltca@gmail.com>
 * @package System.Web.UI.ActiveControls
 * @since 3.1.9
 */
class TActiveLiteralColumn extends TLiteralColumn {
	protected function initializeHeaderCell($cell,$columnIndex) {
		$text=$this->getHeaderText();

		if(($classPath=$this->getHeaderRenderer())!=='') {
			$control=Prado::createComponent($classPath);
			if($control instanceof IDataRenderer) {
				if($control instanceof IItemDataRenderer) {
					$item=$cell->getParent();
					$control->setItemIndex($item->getItemIndex());
					$control->setItemType($item->getItemType());
				}
				$control->setData($text);
			}
			$cell->getControls()->add($control);
		}
		else if($this->getAllowSorting()) {
				$sortExpression=$this->getSortExpression();
				if(($url=$this->getHeaderImageUrl())!=='') {
					$button=Prado::createComponent('System.Web.UI.WebControls.TActiveImageButton');
					$button->setImageUrl($url);
					$button->setCommandName(TDataGrid::CMD_SORT);
					$button->setCommandParameter($sortExpression);
					if($text!=='') {
						$button->setAlternateText($text);
						$button->setToolTip($text);
					}
					$button->setCausesValidation(false);
					$cell->getControls()->add($button);
				}
				else if($text!=='') {
						$button=Prado::createComponent('System.Web.UI.WebControls.TActiveLinkButton');
						$button->setText($text);
						$button->setCommandName(TDataGrid::CMD_SORT);
						$button->setCommandParameter($sortExpression);
						$button->setCausesValidation(false);
						$cell->getControls()->add($button);
					}
					else
						$cell->setText('&nbsp;');
			}
			else {
				if(($url=$this->getHeaderImageUrl())!=='') {
					$image=Prado::createComponent('System.Web.UI.WebControls.TActiveImage');
					$image->setImageUrl($url);
					if($text!=='') {
						$image->setAlternateText($text);
						$image->setToolTip($text);
					}
					$cell->getControls()->add($image);
				}
				else if($text!=='')
						$cell->setText($text);
					else
						$cell->setText('&nbsp;');
			}
	}
}