Subversion-Projekte lars-tiefland.prado

<?php

Prado::using('Application.pages.Controls.Samples.TDataGrid.Sample1');

class Sample6 extends Sample1

{

	/**

	 * Returns a subset of data.

	 * In MySQL database, this can be replaced by LIMIT clause

	 * in an SQL select statement.

	 * @param integer the starting index of the row

	 * @param integer number of rows to be returned

	 * @return array subset of data

	 */

	protected function getDataRows($offset,$rows)

	{

		$data=$this->getData();

		$page=array();

		for($i=0;$i<$rows;++$i)

		{

			if($offset+$i<$this->getRowCount())

				$page[$i]=$data[$offset+$i];

		}

		return $page;

	}

	/**

	 * Returns total number of data rows.

	 * In real DB applications, this may be replaced by an SQL select

	 * query with count().

	 * @return integer total number of data rows

	 */

	protected function getRowCount()

	{

		return 19;

	}

	public function onLoad($param)

	{

		if(!$this->IsPostBack)

		{

			$this->DataGrid->DataSource=$this->getDataRows(0,$this->DataGrid->PageSize);

			$this->DataGrid->dataBind();

		}

	}

	public function changePage($sender,$param)

	{

		$this->DataGrid->CurrentPageIndex=$param->NewPageIndex;

		$offset=$param->NewPageIndex*$this->DataGrid->PageSize;

		$this->DataGrid->DataSource=$this->getDataRows($offset,$this->DataGrid->PageSize);

		$this->DataGrid->dataBind();

	}

}

?>