svn commit: r13081 - branches/gsoc2007/b00__1/model-euml/src/org/argouml/model/euml/EUMLModelImplementation.java

Author: b00__1
Date: 2007-07-15 09:55:57-0700
New Revision: 13081

Modified:
   branches/gsoc2007/b00__1/model-euml/src/org/argouml/model/euml/EUMLModelImplementation.java

Log:
Added Undo/Redo methods.
It should be supported also in org.argouml.model

Modified: branches/gsoc2007/b00__1/model-euml/src/org/argouml/model/euml/EUMLModelImplementation.java
Url: http://argouml.tigris.org/source/browse/argouml/branches/gsoc2007/b00__1/model-euml/src/org/argouml/model/euml/EUMLModelImplementation.java?view=diff&rev=13081&p1=branches/gsoc2007/b00__1/model-euml/src/org/argouml/model/euml/EUMLModelImplementation.java&p2=branches/gsoc2007/b00__1/model-euml/src/org/argouml/model/euml/EUMLModelImplementation.java&r1=13080&r2=13081
==============================================================================
--- branches/gsoc2007/b00__1/model-euml/src/org/argouml/model/euml/EUMLModelImplementation.java	(original)
+++ branches/gsoc2007/b00__1/model-euml/src/org/argouml/model/euml/EUMLModelImplementation.java	2007-07-15 09:55:57-0700
@@ -200,6 +200,40 @@
     }
     
     /**
+     * Verifies if the editing domain can undo the last changes in the UML model 
+     * @return true if undo is possible, false otherwise
+     */
+    public boolean canUndo() {
+	return editingDomain.getCommandStack().canUndo();
+    }
+    
+    /**
+     * Verifies if the editing domain can redo the last undone command 
+     * @return true if redo is possible, false otherwise
+     */
+    public boolean canRedo() {
+	return editingDomain.getCommandStack().canRedo();
+    }
+
+    /**
+     * Undo the last command
+     * <p>
+     * If {@link #canUndo()} returns false, nothing will happen
+     */
+    public void undo() {
+	editingDomain.getCommandStack().undo();
+    }
+    
+    /**
+     * Redo the last command
+     * <p>
+     * If {@link #canRedo()} returns false, nothing will happen
+     */
+    public void redo() {
+	editingDomain.getCommandStack().redo();
+    }
+    
+    /**
      * This sets up the editing domain for the model editor.
      */
     private void initializeEditingDomain() {