sdr/ui/tk/TKSDRResourceResultSet.php5

<?php
class TKSDRResourceResultSet extends TKNullBox {
    
    private $result = null;
    private $params = array('searchBox' => true, 'metadataLink' => null, 'contributorImage' => true, 'projectContext' => true);
    private $contributorIcons = array();
    
    const NEWTAB = true;


    public function layoutPage() {
        if (($this->result == null) || ($this->result->SearchResults == null)) {
            $this->add(new TKLabel('No Results'));
            return false;
        }
        if ($this->params['projectContext']) {
            $this->bufferContributorIcons();
        }
        $this->add($this->layoutSearchBox());
        $nextPrev = $this->layoutNextPrev();
        if ($nextPrev != null)
            $this->add($nextPrev);
        $this->add($this->layoutResults());
        $nextPrev = $this->layoutNextPrev();
        if ($nextPrev != null)
            $this->add($nextPrev);
        $this->add($this->layoutSearchBox());
    }



    public function __construct($result, $params = array()) {
        parent::__construct();
        $this->result = $result;
        if (count($params) > 0) {
            foreach($params as $key=>$value)
                $this->params[$key] = $value;
        }   
    //  $this->contributorIcons = dirname(__FILE__) . "/../contributors/";
    }
    
    public function layoutResults() {
        $results = $this->result->SearchResults;
        $resultsTbl = new TKTable();
        $resultsTbl->class = 'ResultSet-Table';
        $results->rewind();
        if ($results->count()==0) {
            $resultsTbl->addLabel('
            <br/>
            Your search did not match any resources.
            <br/><br/>
            Suggestions:
            <ul>
                <li>Make sure all words are spelled correctly.</li>
                <li>Try different keywords.</li>
                <li>Try more general keywords.</li>
                <li>Try fewer keywords.</li>
            </ul>');
        }
        for ($i = 0; $i < $results->count(); $i++) {
            $result = $results->current();
            $resultsTbl->add($this->layoutResult($result, $i));
            $resultsTbl->addRow();
            $results->next();
        }
        return $resultsTbl;
    }
    
    public function layoutResult($result, $i) {     
        $request = $this->result->getServiceRequest();
        

        // Buffer meaningful values needed for display
        $evenOddClass = ($i % 2 == 0) ? 'ResultSet-ItemEven' : 'ResultSet-ItemOdd';
        
        // Generate all components of the resource display
        $metadataLink = $result->resourceIdentifier;
        
        
        $resultTitle = new TKNullBox();
        $interType = '';
        if (array_key_exists('interType', $this->params) && $this->params['interType'] == true) {
            if (strpos($metadataLink, '/activities/'))
                $interType = '<span class="ResultSet-Activity">(Activity)</span>';
            else if (strpos($metadataLink, '/discussions/'))
                $interType = '<span class="ResultSet-Discussion">(Discussion)</span>';
            else if (strpos($metadataLink, '/lessons/'))
                $interType = '<span class="ResultSet-Lesson">(Lesson)</span>';
        }
        
        $title = $result->title;
        $descrip = $result->description;
        $terms = explode(' ', $request->getConstraint('ss'));
        foreach ($terms as $term) {
            if ($term != '') {
                $title = $this->wrapFoundTerms($term, $title);
                $descrip = $this->wrapFoundTerms($term, $descrip);
            }
        }
        $titleText =    '<a href="'
                    . $result->resourceIdentifier
                    . '" target="_blank" >'
                    . $title . '</a>&nbsp;' . $interType;

        $resultTitle->addLabel($titleText);
        $resultTitle->class = array('ResultSet-ItemTitle');
        $resultDescription = new TKLabel($descrip . '<br />');
        $resultDescription->class = array('ResultSet-ItemDescription');
        $resultDescripLink = new TKNullBox();
        $resultDescripLink->add($resultDescription);
        if ($this->params['metadataLink'] != null) {
            $reviewString = '';
            $metadataLink = $this->params['metadataLink'] . $result->cserdId;
            $ratingImage = SDRHelpers::getRatingImageTag($result->averageReviewRating);
            $ratingText = SDRHelpers::getRatingText($result->averageReviewRating);
            $ratingText = $ratingText == '' ? '' : '<span class= "ratingText">(' . $ratingText . ')</div>';
            $resultLink = new TKLabel('<a href="'
                            . $metadataLink
                            . '">Reviews and Metadata' . $reviewString . '</a> '
                            . $ratingImage . $ratingText);      
            $resultDescripLink->add($resultLink);                   
        }
        
        // Combine all the parts of the resource into a conatiner and return
        $resultBox = new TKNullBox();
        $resultBox->class = array($evenOddClass);

        // Add project and contributor images
        if ($this->params['projectContext']) {
            $projectContext = new TKNullBox();
            $projectContext->addLabel(  '<img style="float:right" src="'
                                    . $result->projectContext->brand_image_url
                                    . '" alt="' . $result->projectContext->brand_altText . '" />');
            if ($this->params['contributorImage']) {
                $projectContext->addLabel($this->contributorIconForURL($result->resourceIdentifier));
            }
            $resultBox->add($projectContext);
        }

        $resultBox->add($resultTitle);
        $resultBox->add($resultDescripLink);
        return $resultBox;
    }
    
    public function layoutStatsBox() {
        $request = $this->result->getServiceRequest();
        $results = $this->result->SearchResults;

        $start = $results->resultsInfo->numSkipped + 1;
        $total = $results->resultsInfo->totalNumResults;
        $end = min($start + $results->resultsInfo->numReturned - 1, $total);

        $sbox = new TKTable();
        $sbox->addLabel('<b>' . strip_tags($request->toString()) . '</b>');
        if ($total == 0)
            $sbox->addLabel('No Results');
        else
            $sbox->addLabel('Results: <b>' . $start . '-' . $end . ' </b>of<b> ' . $total . '</b>');
        $sbox->class = array('ResultSet-StatsBox');
        return $sbox;
    }


    public function layoutSearchBox() {
        $request = $this->result->getServiceRequest();
        $results = $this->result->SearchResults;
        $constraints = $request->constraintsToString();
        
        $sbox = new TKTable(False);
        $sbox->addRow('statbox','ResultSet-SearchRow');
        $sbox->addText('<b>' . $request->typeToString() . ' Results</b>');
        // If the searchBox option is set
        if ($this->params['searchBox']) {
            $form = new TKForm(SDRHelpers::urlParser(), 'get');
            $tb=$form->addFormInput('text', 'ss', $request->getConstraint('ss'));
            $tb->size='30';
            $form->addLabel('&nbsp;');
            $form->addFormInput('submit', '', 'Search');
            $sbox->add($form,array('style' => array('float' => 'right')));
            $sbox->addRow('statbox','ResultSet-StatsBox');
        }
        else if ($constraints != '') {
            $sbox->addText('');
            $sbox->addRow('statbox','ResultSet-StatsBox');
        }
        //Begin of Stat box code
        $request = $this->result->getServiceRequest();
        $results = $this->result->SearchResults;

        $start = $results->resultsInfo->numSkipped + 1;
        $total = $results->resultsInfo->totalNumResults;
        $end = min($start + $results->resultsInfo->numReturned -1, $total);
        $sbox->addLabel($constraints)->class = "ResultSet-Query";

        // Build the display all link
        $addArgs = array();
        $removeArgs = array();
        $displayLabel = '';
        $rp = $request->getNumResultsPerPage();
        if($rp != '10000') {
            $addArgs['displayall'] = '';
            $displayLabel = 'Display all';
        }
        else {
            $removeArgs['displayall'] = '';
            $displayLabel = 'Display as pages';
        }
        $displayLink = SDRHelpers::urlParser($addArgs, $removeArgs);
        $toggleDisplay = '<span style="margin-left: 1em;"><a href="' . $displayLink . '">'
                                    .$displayLabel . '</a></span>'; 
        
            
        if ($total == 0)
            $sbox->addText('No Results',array('style' => array('float' => 'right')));
        else {
            $sbox->addText('Results: <b>' . $start . '-' . $end . ' </b>of<b> ' . $total . '</b>' .
                $toggleDisplay, array('style' => array('float' => 'right')));
        }
        $sbox->class = array('ResultSet-Table', 'ResultSet-SearchBox');
        return $sbox;
    }

    public function layoutNextPrev() {
        $request = $this->result->getServiceRequest();
        $results = $this->result->SearchResults;

        $numSkipped = $results->resultsInfo->numSkipped;
        $numReturned = $results->resultsInfo->numReturned;
        $total = $results->resultsInfo->totalNumResults;
        
        $arrowsBox = new TKNullBox();
        $arrowsBox->class = array('ResultSet-NextPrevBox');
        $leftArrowBox = new TKNullBox();
        $leftArrowBox->class = array('ResultSet-PrevPage');
        $rightArrowBox = new TKNullBox();
        $rightArrowBox->class = array('ResultSet-NextPage');
        
        $hasArrows = false;
        $nextURL = SDRHelpers::urlParser(array('sr'=> $numSkipped + $numReturned));
        $prevURL = SDRHelpers::urlParser(array('sr'=> $numSkipped - $numReturned));
        // Add a right arrow if there are next results to view
        if (($numSkipped + $numReturned) < $total) {
            $rightLabel = new TKLabel("<a href='$nextURL'>Next $numReturned Results &rarr;</a>");
            $rightArrowBox->add($rightLabel);
            $arrowsBox->add($rightArrowBox);
            $hasArrows = true;
        }
        
        // Add a left arrow if there are previous results
        if (($numSkipped) > 0) {
            $leftLabel = new TKLabel("<a href='$prevURL'>&larr; Prev $numReturned Results</a>");
            $leftArrowBox->add($leftLabel);
            $arrowsBox->add($leftArrowBox);
            $hasArrows = true;
        } else {
            $arrowsBox->addLabel('&nbsp;');
        }
        
        // If there are no arrows, don't add anything
        return $hasArrows ? $arrowsBox : null;
    }
    
    public function bufferContributorIcons() {
        $imageDir = SnapDirectory::lookup('//sdr/contributors/');
        $contents = $imageDir->listContents();
        
        foreach($contents as $resource) {
            $imageName = $resource->getCanonicalShortName();
            $contributor = str_replace("_dot_", ".", $imageName);
            $this->contributorIcons[$imageName] = $contributor;
        }
    }
    
    public function contributorIconForURL($url) {
        foreach ($this->contributorIcons as $imageName => $contributor) {
            if (stripos($url, $contributor)) {
                // The image will also serve as a link to the main page of the contributor
                $basePath = SDRHelpers::SNAPDIR . "contributors/";
                
                return <<<END
    <div style='float:right; cursor:pointer;' onclick="location.href='http://$contributor';" >
        <img style='max-height:35px;' src='$basePath/$imageName' alt='$contributor'/>
    </div>
END;
            }
        }
        // If no match is found, return the empty string
        return '';
    }
    
    protected function wrapFoundTerms($term, $data) {
        return preg_replace("/($term)/i", "<span class=\"highlightedSearchTerm\">$1</span>", $data);
    }
    
    
    public function render() {
        $this->layoutPage();
        return parent::render();
    }
}
?>

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