[the-board] [ui] Add active-changed signal and active getter to ToolBoxGroup

[Lucas Almeida Rocha <lucasr src gnome org>]

commit 3cb1cbd4d2773ab5b4c8479c4b2a490e06253a14
Author: Lucas Rocha <lucasr gnome org>
Date:   Wed Nov 3 22:29:47 2010 +0000

    [ui] Add active-changed signal and active getter to ToolBoxGroup

 src/js/ui/toolBoxGroup.js |    9 +++++++++
 1 files changed, 9 insertions(+), 0 deletions(-)
---
diff --git a/src/js/ui/toolBoxGroup.js b/src/js/ui/toolBoxGroup.js
index ea05278..65e834d 100644
--- a/src/js/ui/toolBoxGroup.js
+++ b/src/js/ui/toolBoxGroup.js
@@ -1,5 +1,6 @@
 // standard imports
 const Lang = imports.lang;
+const Signals = imports.signals;
 const Tweener = imports.tweener.tweener;
 
 // gi imports
@@ -76,6 +77,8 @@ ToolBoxGroup.prototype = {
             this._activeToolBox.setActive(true);
             this._activeToolBox.actor.depth = _TOOLBOX_ACTIVE_DEPTH;
         }
+
+        this.emit("active-changed");
     },
 
     _showToolBoxes : function() {
@@ -151,7 +154,13 @@ ToolBoxGroup.prototype = {
         }
     },
 
+    get active() {
+        return (this._activeToolBox !== null);
+    },
+
     get actor() {
         return this._mainBox;
     }
 }
+
+Signals.addSignalMethods(ToolBoxGroup.prototype);