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-rw-r--r--engine/lib/extender.php66
1 files changed, 66 insertions, 0 deletions
diff --git a/engine/lib/extender.php b/engine/lib/extender.php
index 8af18c38c..81d44a091 100644
--- a/engine/lib/extender.php
+++ b/engine/lib/extender.php
@@ -352,6 +352,72 @@
// Trigger plugin hooks
return trigger_plugin_hook('permissions_check',$type,array('entity' => $entity, 'user' => $user),false);
+ }
+
+ /**
+ * Sets the URL handler for a particular extender type and name.
+ * It is recommended that you do not call this directly, instead use one of the wrapper functions in the
+ * subtype files.
+ *
+ * @param string $function_name The function to register
+ * @param string $extender_type Extender type
+ * @param string $extender_name The name of the extender
+ * @return true|false Depending on success
+ */
+ function register_extender_url_handler($function_name, $extender_type = "all", $extender_name = "all") {
+ global $CONFIG;
+
+ if (!is_callable($function_name)) return false;
+
+ if (!isset($CONFIG->extender_url_handler)) {
+ $CONFIG->extender_url_handler = array();
+ }
+ if (!isset($CONFIG->extender_url_handler[$extender_type])) {
+ $CONFIG->extender_url_handler[$extender_type] = array();
+ }
+ $CONFIG->entity_url_handler[$extender_type][$extender_name] = $function_name;
+
+ return true;
+
+ }
+
+ /**
+ * Get the URL of a given elgg extender.
+ * Used by get_annotation_url and get_metadata_url.
+ *
+ * @param ElggExtender $extender
+ */
+ function get_extender_url(ElggExtender $extender)
+ {
+ global $CONFIG;
+
+
+ $view = elgg_get_viewtype();
+
+ $guid = $extender->entity_guid;
+ $type = $extender->type;
+
+ $url = "";
+
+ $function = "";
+ if (isset($CONFIG->extender_url_handler[$type][$extender->name]))
+ $function = $CONFIG->extender_url_handler[$type][$extender->name];
+ if (isset($CONFIG->extender_url_handler[$type]['all']))
+ $function = $CONFIG->extender_url_handler[$type]['all'];
+ if (isset($CONFIG->extender_url_handler['all']['all']))
+ $function = $CONFIG->extender_url_handler['all']['all'];
+
+ if (is_callable($function)) {
+ $url = $function($extender);
+ }
+
+ if ($url == "") {
+ $nameid = $extender->id;
+ if ($type == 'volatile')
+ $nameid== $extender->name;
+ $url = $CONFIG->wwwroot . "$view/$guid/$type/$nameid/";
+ }
+ return $url;
}
/** Register the hook */