# HG changeset patch
# User Thinker K.F. Li <thinker@codemud.net>
# Date 1294739831 -28800
# Node ID bbd6bc0d079ab357e9b5ec8b599261a01b6511b8
# Parent  df474448364e08b3ae67cbf0c1eeb78b444a009d
Fix bug of removing layer.

 - It removes content of all layers.
 - Only specified layer should be removed.

diff -r df474448364e -r bbd6bc0d079a pyink/domview.py
--- a/pyink/domview.py	Tue Jan 11 17:39:06 2011 +0800
+++ b/pyink/domview.py	Tue Jan 11 17:57:11 2011 +0800
@@ -504,13 +504,19 @@
     def rm_layer(self, layer_idx):
 	layers = self._layers
 
-	for layer in layers:
-	    for scene_node in layer.scenes:
-		scene_group_id = scene_node.getAttribute('ref')
-		scene_group_node = self.get_node(scene_group_id)
-		scene_group_node.parent().removeChild(scene_group_node)
-		
-		scene_node.parent().removeChild(scene_node)
+        layer = self._layers[layer_idx]
+        for scene_node in layer.scenes:
+            scene_group_id = scene_node.getAttribute('ref')
+            try:
+                scene_group_node = self.get_node(scene_group_id)
+                if scene_group_node.parent(): # keep from crashing
+                    scene_group_node.parent().removeChild(scene_group_node)
+                    pass
+            except:
+                pass
+            
+            if scene_node.parent(): # keep from crashing
+                scene_node.parent().removeChild(scene_node)
 		pass
 	    pass