From 260a1fe57e04891e5a5a0d64f69000a9c256bb06 Mon Sep 17 00:00:00 2001
From: Walter Bender <walter.bender@gmail.com>
Date: Mon, 14 Nov 2011 14:38:53 +0000
Subject: add plugin support for clear

---
diff --git a/TurtleArt/talogo.py b/TurtleArt/talogo.py
index 25ffceb..f3bb956 100644
--- a/TurtleArt/talogo.py
+++ b/TurtleArt/talogo.py
@@ -489,6 +489,7 @@ class LogoCode:
 
     def prim_clear(self):
         """ Clear screen """
+	self.tw.clear_plugins()
         if self.tw.gst_available:
             from tagplay import stop_media
             # stop_media(self)  # TODO: gplay variable
diff --git a/TurtleArt/tawindow.py b/TurtleArt/tawindow.py
index 58b939d..338675a 100644
--- a/TurtleArt/tawindow.py
+++ b/TurtleArt/tawindow.py
@@ -328,6 +328,12 @@ class TurtleArtWindow():
         for plugin in self._plugins:
             plugin.stop()
 
+    def clear_plugins(self):
+	""" Clear is called from the clean block and erase button """
+        for plugin in self._plugins:
+            if hasattr(plugin, 'clear'):
+                plugin.clear()
+
     def background_plugins(self):
         """ Background is called when we are pushed to the background. """
         for plugin in self._plugins:
diff --git a/plugins/plugin.py b/plugins/plugin.py
index 3065129..e06cf31 100644
--- a/plugins/plugin.py
+++ b/plugins/plugin.py
@@ -35,6 +35,10 @@ class Plugin(gobject.GObject):
         """ stop is called when stop button is pressed. """
         pass
 
+    def clear(self):
+        """ clear is called when erase button is pressed and from the clean block. """
+        pass
+
     def goto_background(self):
         """ goto_background is called when the activity is sent to the
         background. """
--
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