[gedit] [snippets] Deactivate snippet when collapsed

[Jesse van den Kieboom <jessevdk src gnome org>]

commit bc5d893229e62c85f6956c17a8471cb5fdab10ea
Author: Jesse van den Kieboom <jessevdk gmail com>
Date:   Sat Apr 12 17:11:42 2014 +0200

    [snippets] Deactivate snippet when collapsed
    
    This removes the snippet as soon as the begin and end
    markers of the snippet have collapsed onto each other
    
    https://bugzilla.gnome.org/show_bug.cgi?id=612663

 plugins/snippets/snippets/document.py |    8 ++++++++
 1 files changed, 8 insertions(+), 0 deletions(-)
---
diff --git a/plugins/snippets/snippets/document.py b/plugins/snippets/snippets/document.py
index ab41ecc..cd9e842 100644
--- a/plugins/snippets/snippets/document.py
+++ b/plugins/snippets/snippets/document.py
@@ -764,6 +764,14 @@ class Document(GObject.Object, Gedit.ViewActivatable, Signals):
                         self.update_snippet_contents)
 
     def on_buffer_changed(self, buf):
+        for snippet in list(self.active_snippets):
+            begin = snippet.begin_iter()
+            end = snippet.end_iter()
+
+            if begin.compare(end) >= 0:
+                # Begin collapsed on end, just remove it
+                self.deactivate_snippet(snippet)
+
         current = self.current_placeholder()
 
         if current: