Source for file LMediaSelection.php

<?php
 
 
/**
 * class file.
 *
 * @license http://opensource.org/licenses/mozilla1.1.php Mozilla Public License
 * @copyright 2005, diemeisterei GmbH. All rights reserved.
 * @author $Author: schmunk $
 * @version $Revision: 254 $  $Date: 2006-06-06 01:53:39 +0200 (Di, 06 Jun 2006) $
 * @package Lithron.LMediaManager
 * @subpackage WebControls
 */
 
/**
 * Implements IMetaData. (TODO)
 *
 * Displays a selection for media files
 *
 * @package System.Web.UI.WebControls
 * @subpackage MetaData
 */
 
class LMediaSelection extends TTemplateControl implements IMetaData
{
    private $Core;
 
    /**
     * Prepares the core
     */
    public function onInit($param)
    {
        $this->Core= new LMediaManagerCore;
        parent :: onInit($param);
    }
 
    /**
     * @return array selected items in both lists
     */
    public function getSelection()
    {
        $return= array ();
 
        // get selection from search
        $items= $this->SearchGrid->getItems();
        foreach ($items AS $item)
        {
            if ($item->Cells[0]->Select->getChecked())
            {
                $r['MetaRecordId']= $item->Cells[0]->Select->Attributes->itemAt("MediaId");
                $r['Description']= $item->Cells[2]->MediaDescription->Text;
                $r['Rank']= "z";
                $return[]= $r;
            }
        }
 
        // get selection & data from selected grid
        $items= $this->SelectedGrid->getItems();
        foreach ($items AS $item)
        {
            if ($item->Cells[0]->Select->getChecked())
            {
                $r['MetaRecordId']= $item->Cells[0]->Select->Attributes->itemAt("MediaId");
                $r['Description']= $item->Cells[3]->Description->Text;
                $r['Rank']= $item->Cells[4]->Rank->Text;
                $return[]= $r;
            }
        }
        return $return;
    }
 
    /**
     * @param array sets selection from database and current selection
     */
    public function setSelection($array= null)
    {
        $currentSelection= $this->getSelection();
        if ($array === null)
            $selection= $currentSelection;
        else
            $selection= array_merge($array, $currentSelection);
 
        // parse data for later usage
        if (is_array($selection))
            foreach ($selection AS $s)
            {
                $ids[]= $s['MetaRecordId'];
                if (isset ($s['Description']))
                    $info[$s['MetaRecordId']]= array (
                        $s['Description'],
                        $s['Rank']
                    );
            }
        else
        {
            $ids= array ();
        }
 
        // query data
        $Criteria= new LMediaCriteria;
        $Criteria->setRecordIds($ids);
        $items= LMediaManagerCore :: queryRecords($Criteria->build());
 
        // fill grid
        $this->SelectedGrid->DataSource= $items;
        $this->SelectedGrid->CurrentPageIndex= 0;
        $this->SelectedGrid->dataBind();
 
        // set checkbox & set values in selected grid
        $selected_items= $this->SelectedGrid->getItems();
        foreach ($selected_items AS $item)
        {
            $item->Cells[0]->Select->setChecked(true);
            // TODO
            if (isset ($info[$item->Cells[0]->Select->getSubProperty("Attributes.MediaId")]))
            {
                $item->Cells[3]->Description->Text= $info[$item->Cells[0]->Select->getSubProperty("Attributes.MediaId")][0];
                $item->Cells[4]->Rank->Text= $info[$item->Cells[0]->Select->getSubProperty("Attributes.MediaId")][1];
            }
        }
        // unset all checkboxes in search grid
        $search_items= $this->SearchGrid->getItems();
        foreach ($search_items AS $item)
        {
            $item->Cells[0]->Select->setChecked(false);
        }
 
    }
 
    public function applyClicked($sender, $param)
    {
        $this->setSelection();
    }
 
    public function searchClicked($sender, $param)
    {
        $Criteria= new LMediaCriteria;
        $Criteria->setSearchString($sender->Parent->findControl("SearchString")->getText());
        $items= LMediaManagerCore :: queryRecords($Criteria->build());
        #$r= $this->Core->getMediaList("search", $sender->Parent->findControl("SearchString")->getText());
 
        $this->setViewstate("Records", $items);
        $this->SearchGrid->DataSource= $items;
        $this->SearchGrid->CurrentPageIndex= 0;
        $this->SearchGrid->dataBind();
    }
 
    public function searchText($sender, $param)
    {
        $Criteria= new LMediaCriteria;
        $Criteria->setSearchString($sender->getText());
        $items= LMediaManagerCore :: queryRecords($Criteria->build());
        #$r= $this->Core->getMediaList("search", $sender->getText());
 
        $this->setViewstate("Records", $items);
        $this->SearchGrid->DataSource= $items;
        $this->SearchGrid->CurrentPageIndex= 0;
        $this->SearchGrid->dataBind();
    }
 
    public function changePage($sender, $param)
    {
        #echo $param->NewPageIndex;
        $this->SearchGrid->CurrentPageIndex= $param->NewPageIndex;
        #$this->SearchGrid->CurrentPageIndex= 1;
        $this->SearchGrid->DataSource= $this->getViewstate("Records");
        $this->SearchGrid->dataBind();
        #$this->prepareData();
    }
 
}
?>