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();
        }
}

?>