Add MateText#delay_parsing

rdp · Mar 2, 2010 · b8c772d · b8c772d
1 parent 7ef9015
commit b8c772d
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Showing 2 changed files with 20 additions and 1 deletion.
diff --git a/lib/java-mateview.rb b/lib/java-mateview.rb
@@ -24,6 +24,12 @@ def set_root_scope_by_content_name(grammar_name, name)
       scope.isOpen = true
       self.parser.root = scope
     end
+
+    def delay_parsing
+      parser.deactivate
+      yield
+      parser.reactivate
+    end
   end
 end
 

diff --git a/src/com/redcareditor/mate/Parser.java b/src/com/redcareditor/mate/Parser.java
@@ -211,7 +211,8 @@ public void modifyEventCallback() {
 			modifyStart = -1;
 			modifyEnd   = -1;
 			modifyText  = null;
-			processChanges();
+			if (deactivationLevel == 0)
+				processChanges();
 		}
 	}
 
@@ -225,6 +226,18 @@ public void viewportScrolledCallback() {
 		}
 	}
 
+	public void deactivate() {
+		deactivationLevel++;
+	}
+
+	public void reactivate() {
+		deactivationLevel--;
+		if (deactivationLevel < 0) 
+			deactivationLevel = 0;
+		if (deactivationLevel == 0)
+			processChanges();
+	}
+
 	// Process all change ranges.
 	public void processChanges() {
 		int thisParsedUpto = -1;