Add support for 'trail' hooks in the plugin architecture.

By Leonardo Sapiras during the GSoC 2011, reviewed, patched, integrated
and commited by ioguix

2 files changed, 10 insertions, 2 deletions

diff --git a/classes/Misc.php b/classes/Misc.php
index 4664dee1..7ba4a125 100644
--- a/classes/Misc.php
+++ b/classes/Misc.php
@@ -1414,7 +1414,7 @@
 		 * @param $object The type of object at the end of the trail.
 		 */
 		function getTrail($subject = null) {
-			global $lang, $conf, $data, $appName;
+			global $lang, $conf, $data, $appName, $plugin_manager;
 
 			$trail = array();
 			$vars = '';
@@ -1553,6 +1553,14 @@
 				}
 			}
 
+			// Trail hook's place
+			$plugin_functions_parameters = array(
+				'trail' => &$trail,
+				'section' => $subject
+			);
+
+			$plugin_manager->do_hook('trail', $plugin_functions_parameters);
+
 			return $trail;
 		}
 
diff --git a/classes/PluginManager.php b/classes/PluginManager.php
index ce26d219..14ac543f 100644
--- a/classes/PluginManager.php
+++ b/classes/PluginManager.php
@@ -10,7 +10,7 @@ class PluginManager {
 	 * Attributes
 	 */
 	private $plugins_list = array();
-	private $available_hooks = array('toplinks', 'tabs' /* wip, more hooks to come in next commits */);
+	private $available_hooks = array('toplinks', 'tabs', 'trail' /* wip, more hooks to come in next commits */);
 	private $actions = array();
 	private $hooks = array();