[308232] [Dawn] Develop collaborative support for GMF on CDO

https://bugs.eclipse.org/bugs/show_bug.cgi?id=308232

1 files changed, 60 insertions, 0 deletions

diff --git a/plugins/org.eclipse.emf.cdo.dawn.examples.acore.diagram/src/org/eclipse/emf/cdo/dawn/examples/acore/diagram/edit/policies/AAttribute2ItemSemanticEditPolicy.java b/plugins/org.eclipse.emf.cdo.dawn.examples.acore.diagram/src/org/eclipse/emf/cdo/dawn/examples/acore/diagram/edit/policies/AAttribute2ItemSemanticEditPolicy.java
new file mode 100644
index 0000000000..90490b4ec4
--- /dev/null
+++ b/plugins/org.eclipse.emf.cdo.dawn.examples.acore.diagram/src/org/eclipse/emf/cdo/dawn/examples/acore/diagram/edit/policies/AAttribute2ItemSemanticEditPolicy.java
@@ -0,0 +1,60 @@
+/*
+ * Copyright (c) 2004 - 2010 Eike Stepper (Berlin, Germany).
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *  
+ * Contributors:
+ *     Martin Fluegge - initial API and implementation
+ * 
+ */
+package org.eclipse.emf.cdo.dawn.examples.acore.diagram.edit.policies;
+
+import org.eclipse.emf.cdo.dawn.examples.acore.diagram.providers.AcoreElementTypes;
+import org.eclipse.emf.ecore.EAnnotation;
+import org.eclipse.gef.commands.Command;
+import org.eclipse.gmf.runtime.diagram.core.commands.DeleteCommand;
+import org.eclipse.gmf.runtime.emf.commands.core.command.CompositeTransactionalCommand;
+import org.eclipse.gmf.runtime.emf.type.core.commands.DestroyElementCommand;
+import org.eclipse.gmf.runtime.emf.type.core.requests.DestroyElementRequest;
+import org.eclipse.gmf.runtime.notation.View;
+
+/**
+ * @generated
+ */
+public class AAttribute2ItemSemanticEditPolicy extends AcoreBaseItemSemanticEditPolicy
+{
+
+  /**
+   * @generated
+   */
+  public AAttribute2ItemSemanticEditPolicy()
+  {
+    super(AcoreElementTypes.AAttribute_3003);
+  }
+
+  /**
+   * @generated
+   */
+  protected Command getDestroyElementCommand(DestroyElementRequest req)
+  {
+    View view = (View)getHost().getModel();
+    CompositeTransactionalCommand cmd = new CompositeTransactionalCommand(getEditingDomain(), null);
+    cmd.setTransactionNestingEnabled(false);
+    EAnnotation annotation = view.getEAnnotation("Shortcut"); //$NON-NLS-1$
+    if (annotation == null)
+    {
+      // there are indirectly referenced children, need extra commands: false
+      addDestroyShortcutsCommand(cmd, view);
+      // delete host element
+      cmd.add(new DestroyElementCommand(req));
+    }
+    else
+    {
+      cmd.add(new DeleteCommand(getEditingDomain(), view));
+    }
+    return getGEFWrapper(cmd.reduce());
+  }
+
+}