* @author Christian Weiske * @author Eric Dane * @license GPL http://www.gnu.org/licenses/gpl.html * @link http://sourceforge.net/projects/semanticscuttle */ $httpContentType = 'application/json'; require_once '../www-header.php'; /** * Creates and returns an array of tags for the jsTree ajax loader. * If the tag is empty, the configured menu2 (admin) main tags are used. * * @param string $tag Tag name to fetch subtags for * @param SemanticScuttle_Service_Tag2Tag $t2t Tag relation service * * @return array Array of tag data suitable for the jsTree ajax loader */ function assembleAdminTagData($tag, SemanticScuttle_Service_Tag2Tag $t2t) { if ($tag == '') { $linkedTags = $GLOBALS['menu2Tags']; } else { $linkedTags = $t2t->getAdminLinkedTags($tag, '>'); } $tagData = array(); foreach ($linkedTags as $tag) { //FIXME: the hasChildren code is nasty, because it causes too many // queries onto the database $hasChildren = 0 < count($t2t->getAdminLinkedTags($tag, '>')); $tagData[] = createTagArray($tag, $hasChildren); } return $tagData; } /** * Creates an jsTree json array for the given tag * * @param string $tag Tag name * @param boolean $hasChildren If the tag has subtags (children) or not. * If unsure, set it to "true". * * @return array Array to be sent back to the browser as json */ function createTagArray($tag, $hasChildren = true) { $ar = array( 'data' => array( // attributes 'title' => $tag, 'attr' => array( 'href' => createUrl('tags', $tag) ) ), //

attributes 'attr' => array( 'rel' => $tag,//needed for identifying the tag in html ), ); if ($hasChildren) { //jstree needs that to show the arrows $ar['state'] = 'closed'; } return $ar; } $tag = isset($_GET['tag']) ? trim($_GET['tag']) : ''; $tagData = assembleAdminTagData( $tag, SemanticScuttle_Service_Factory::get('Tag2Tag') ); echo json_encode($tagData); ?>