1 files changed, 92 insertions, 0 deletions
diff --git a/www/ajax/getadminlinkedtags.php b/www/ajax/getadminlinkedtags.php
new file mode 100644
index 0000000..5f939a6
--- /dev/null
+++ b/www/ajax/getadminlinkedtags.php
@@ -0,0 +1,92 @@
+<?php
+/**
+ * Returns a list of tags managed by the admins, in json format
+ * suitable for jsTree consumption.
+ *
+ * @param string $tag Tag for which the children tags shall be returned
+ *
+ * SemanticScuttle - your social bookmark manager.
+ *
+ * PHP version 5.
+ *
+ * @category    Bookmarking
+ * @package     SemanticScuttle
+ * @subcategory Templates
+ * @author      Benjamin Huynh-Kim-Bang <mensonge@users.sourceforge.net>
+ * @author      Christian Weiske <cweiske@cweiske.de>
+ * @author      Eric Dane <ericdane@users.sourceforge.net>
+ * @license     GPL http://www.gnu.org/licenses/gpl.html
+ * @link        http://sourceforge.net/projects/semanticscuttle
+ */
+
+$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(
+            //<a> attributes
+            'title' => $tag,
+            'attr' => array(
+                'href' => createUrl('tags', $tag)
+            )
+        ),
+        //<li> 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);
+?>
+\ No newline at end of file