svn commit: r13488 - trunk/src/model/src/org/argouml/model

Author: bobtarling
Date: 2007-09-03 17:21:01-0700
New Revision: 13488

Modified:
   trunk/src/model/src/org/argouml/model/DummyModelCommand.java
   trunk/src/model/src/org/argouml/model/ModelCommand.java

Log:
Provide isUndoable

Modified: trunk/src/model/src/org/argouml/model/DummyModelCommand.java
Url: http://argouml.tigris.org/source/browse/argouml/trunk/src/model/src/org/argouml/model/DummyModelCommand.java?view=diff&rev=13488&p1=trunk/src/model/src/org/argouml/model/DummyModelCommand.java&p2=trunk/src/model/src/org/argouml/model/DummyModelCommand.java&r1=13487&r2=13488
==============================================================================
--- trunk/src/model/src/org/argouml/model/DummyModelCommand.java	(original)
+++ trunk/src/model/src/org/argouml/model/DummyModelCommand.java	2007-09-03 17:21:01-0700
@@ -44,4 +44,9 @@
     public void execute() {
         // Do nothing.
     }
+
+    @Override
+    public boolean isUndoable() {
+        return false;
+    }
 }

Modified: trunk/src/model/src/org/argouml/model/ModelCommand.java
Url: http://argouml.tigris.org/source/browse/argouml/trunk/src/model/src/org/argouml/model/ModelCommand.java?view=diff&rev=13488&p1=trunk/src/model/src/org/argouml/model/ModelCommand.java&p2=trunk/src/model/src/org/argouml/model/ModelCommand.java&r1=13487&r2=13488
==============================================================================
--- trunk/src/model/src/org/argouml/model/ModelCommand.java	(original)
+++ trunk/src/model/src/org/argouml/model/ModelCommand.java	2007-09-03 17:21:01-0700
@@ -35,21 +35,18 @@
 public abstract class ModelCommand {
 
     /**
-     * The method to undo this memento.
+     * The method to execute this memento.
      */
-    public abstract void undo();
+    public abstract void execute();
 
     /**
-     * The method to execute this memento.
+     * Determine of the command can be undone
+     * @return true if the command can be undone
      */
-    public abstract void execute();
-    
+    public abstract boolean isUndoable();
+
     /**
-     * Dispose of any resources used by this memento before it is
-     * destroyed. A memento is destroyed when it is forced off the
-     * end of the undo or redo stack when that stack has reached
-     * its maximum size or when the stack is emptied.
+     * The method to undo this memento.
      */
-    public void dispose() {
-    }
+    public abstract void undo();
 }