content/AlbumModule.php5

<?php
class AlbumModule extends SObject {
    // These are the only two variables I think I could possibly need right now.
    // Names are possible, but the translator ignores them right now,
    // so they would be superfluous.
    protected $captionsByImage;
    protected $images;

    // I admit.  Right now this function had no purpose.
    public function __construct() {
        $this->captionsByImages = array();
        $this->images = array();
    }

    public function addImageById($imageId, $caption='') {
        if(isset($imageId) && $imageId != NULL && $imageId != '') {
            $this->images[] = $imageId;
            $this->captionsByImage[$this->images[count($this->images) - 1]] = $caption;
        } else {
            return FALSE;
        }
        return TRUE;
    }

    public function addImageByResource($imageRes, $caption='') {
        $this->images[] = $imageRes->getId();
        if($caption == '') {
            $this->captionsByImage[$this->images[count($this->images) - 1]]= $imageRes->getDescription();
        } else {
            $this->captionsByImage[$this->images[count($this->images) - 1]] = $caption;
        }
        return TRUE;
    }

    public function addImageDirectory($imageDir) {
        if (! $imageDir instanceOf SnapDirectory) {
            $this->setPrettyError('addImageDirectory',
            'Attempting to add an image directory that is not a SnapDirectory.');
            return FALSE;
        }

        $imageResources = $imageDir->listContents();
        //Now we just loop through and add each resource tothe album.
        foreach($imageResources as $resource) {
            if($resource->getType() == "Resource")
                $this->addImageByResource($resource);
        }
        return TRUE;
    }

    public function generateAlbumXML() {
        $albumXML = '<XMLAlbum>';
        if (count($this->images) == 0) {
            $albumXML .= $this->generateSectionXML(null, '');
        }
        foreach($this->images as $image) {
            $albumXML .= $this->generateSectionXML($image, $this->captionsByImage[$image]);
        }
        $albumXML .= '</XMLAlbum>';
        return $albumXML;
    }

    protected function generateSectionXML($imageId, $caption) {
        $mediaTag = '';
        // Only add an image if the id is not null
        if ($imageId != null) {
            $mediaTag = "<media snapid='$imageId'/>";
        }

        $returnXML = <<<END_OF_XML

    <section mapping="item">
        <sectionData>
            $mediaTag
        </sectionData>
        <p>
            $caption
        </p>
    </section>
END_OF_XML;
        return $returnXML;
    }
}
?>

---