Source for file view.act.php

<?php
/**
 * @package polyphony.basket
 * 
 * @copyright Copyright &copy; 2005, Middlebury College
 * @license http://www.gnu.org/copyleft/gpl.html GNU General Public License (GPL)
 *
 * @version $Id: view.act.php,v 1.15 2007/09/19 14:04:54 adamfranco Exp $
 */ 
 
require_once(POLYPHONY."/main/library/AbstractActions/MainWindowAction.class.php");
require_once(POLYPHONY."/main/library/Basket/Basket.class.php");
 
require_once(HARMONI."GUIManager/StyleProperties/TextAlignSP.class.php");
require_once(HARMONI."GUIManager/StyleProperties/MinHeightSP.class.php");
require_once(HARMONI."/Primitives/Collections-Text/HtmlString.class.php");
 
/**
 * 
 * 
 * @package polyphony.basket
 * 
 * @copyright Copyright &copy; 2005, Middlebury College
 * @license http://www.gnu.org/copyleft/gpl.html GNU General Public License (GPL)
 *
 * @version $Id: view.act.php,v 1.15 2007/09/19 14:04:54 adamfranco Exp $
 */
class viewAction 
    extends MainWindowAction
{
    /**
     * Check Authorizations
     * 
     * @return boolean 
     * @access public
     * @since 4/26/05
     */
    function isAuthorizedToExecute () {
        // Check that the user can access this collection
        return TRUE;
    }
    
    /**
     * Return the heading text for this action, or an empty string.
     * 
     * @return string 
     * @access public
     * @since 4/26/05
     */
    function getHeadingText () {
        return _("View Your Selection");
    }
    
    /**
     * Build the content for this action
     * 
     * @return boolean 
     * @access public
     * @since 4/26/05
     */
    function buildContent () {
        $actionRows =$this->getActionRows();
        $harmoni = Harmoni::instance();
        $harmoni->request->startNamespace("basket");
        
        $idManager = Services::getService("Id");
        $authZ = Services::getService("AuthZ");
        
        $basket = Basket::instance();
        $basket->clean();
        $basket->reset();
 
    
        //***********************************
        // Things to do with your basket
        //***********************************
        ob_start();
        print _("Basket").": ";
//      perhaps there will be enough links sometime for this function
//        BasketPrinter::printBasketFunctionLinks($harmoni, $basket);
 
        print "<a href=\"".$harmoni->request->quickURL("basket", "export").
            "\">"._("Export Selection(<em>Assets</em>)")."</a>";
        print " | ";
        print "<a href=\"".$harmoni->request->quickURL("basket", "empty").
            "\">"._("Empty Selection")."</a>";
 
        $layout = new Block(ob_get_contents(), STANDARD_BLOCK);
        ob_end_clean();
        $actionRows->add($layout, "100%", null, CENTER, CENTER);
        
        //***********************************
        // print the results
        //***********************************
        $resultPrinter = new IteratorResultPrinter($basket, 3, 6, "printAssetShort");
        $resultLayout =$resultPrinter->getLayout("viewAction::canView");
        $actionRows->add($resultLayout, "100%", null, LEFT, CENTER);
        $harmoni->request->endNamespace();
    }
    
    // Callback function for checking authorizations
    
    function canView( $assetId ) {
        $authZ = Services::getService("AuthZ");
        $idManager = Services::getService("Id");
 
        if ($authZ->isUserAuthorized($idManager->getId("edu.middlebury.authorization.view"), $assetId))
        {
            return TRUE;
        } else {
            $basket = Basket::instance();
            $basket->removeItem($assetId);
            return FALSE;
        }
    }
    
}
 
function printAssetShort($assetId, $num) {
    $harmoni = Harmoni::instance();
    $repositoryManager = Services::getService("Repository");
    $asset =$repositoryManager->getAsset($assetId);
    
    $container = new Container(new YLayout, BLOCK, EMPHASIZED_BLOCK);
    $fillContainerSC = new StyleCollection("*.fillcontainer", "fillcontainer", "Fill Container", "Elements with this style will fill their container.");
    $fillContainerSC->addSP(new MinHeightSP("88%"));
    $container->addStyle($fillContainerSC);
    
    $centered = new StyleCollection("*.centered", "centered", "Centered", "Centered Text");
    $centered->addSP(new TextAlignSP("center"));    
    
    $assetId =$asset->getId();
    
    if ($_SESSION["show_thumbnail"] == 'true') {
        $thumbnailURL = RepositoryInputOutputModuleManager::getThumbnailUrlForAsset($asset);
        if ($thumbnailURL !== FALSE) {
            $xmlStart = $num - 1;
            
            $thumbSize = $_SESSION["thumbnail_size"]."px";
    
            ob_start();
            print "\n<div style='height: $thumbSize; width: $thumbSize; margin: auto;'>";
            print "\n\t<a style='cursor: pointer;'";
            print " onclick='Javascript:window.open(";
            print '"'.VIEWER_URL."?&amp;source=";
            print urlencode($harmoni->request->quickURL("basket", "browse_xml"));
            print '&amp;start='.$xmlStart.'", ';
            print '"_blank", ';
            print '"toolbar=no,location=no,directories=no,status=yes,scrollbars=yes,resizable=yes,copyhistory=no,width=600,height=500"';
            print ")'>";
            print "\n\t\t<img src='$thumbnailURL' class='thumbnail thumbnail_image' alt='Thumbnail Image' style='max-height: $thumbSize; max-width: $thumbSize;' />";
            print "\n\t</a>";
            print "\n</div>";
            $component = new UnstyledBlock(ob_get_contents());
            $component->addStyle($centered);
            ob_end_clean();
            $container->add($component, "100%", null, CENTER, CENTER);
        }
    }
    
    ob_start();
    if ($_SESSION["show_displayName"] == 'true')
        print "\n\t<div style='font-weight: bold; height: 50px; overflow: auto;'>".htmlspecialchars($asset->getDisplayName())."</div>";
    if ($_SESSION["show_id"] == 'true')
        print "\n\t<div>"._("ID#").": ".$assetId->getIdString()."</div>";
    if ($_SESSION["show_description"] == 'true') {
        $description = HtmlString::withValue($asset->getDescription());
        $description->trim(25);
        print  "\n\t<div style='font-size: smaller; height: 50px; overflow: auto;'>".$description->asString()."</div>";    
    }
    
    $component = new UnstyledBlock(ob_get_contents());
    ob_end_clean();
    $container->add($component, "100%", null, LEFT, TOP);
    
    
    ob_start();
    print "\n<a href='";
    print $harmoni->request->quickURL("basket", "remove", array('asset_id' => $assetId->getIdString()));
    print "' title='"._("Remove from Selection")."'>";
    print _('remove');
    print "</a>";
    
    print "\n | <a href='";
    print $harmoni->request->quickURL("basket", "up", array('asset_id' => $assetId->getIdString()));
    print "' title='". _('move up')."'>";
//     print "<img src='".POLYPHONY_PATH."/icons/basket/arrowleft.png' width='25px' border='0' alt='"._("Move Up")."' />";
    print "&lt;--";
    print "</a>";
    
    print "\n | <a href='";
    print $harmoni->request->quickURL("basket", "down", array('asset_id' => $assetId->getIdString()));
    print "' title='". _('move down')."'>";
//     print "<img src='".POLYPHONY_PATH."/icons/basket/arrowright.png' width='25px' border='0'  alt='"._("Move Down")."'  />";
    print "--&gt;";
    print "</a>";
    
    $container->add(new UnstyledBlock(ob_get_clean()), "100%", null, RIGHT, BOTTOM);
    
    return $container;
}