[164018]: Command generation separated from editparts for link commands (createStart, complete, reconnectSource, reconnectTarget) and nodes (create)

2 files changed, 73 insertions, 0 deletions

diff --git a/plugins/org.eclipse.gmf.runtime.lite/src/org/eclipse/gmf/runtime/lite/commands/VetoCommand.java b/plugins/org.eclipse.gmf.runtime.lite/src/org/eclipse/gmf/runtime/lite/commands/VetoCommand.java
new file mode 100644
index 000000000..74df5355c
--- /dev/null
+++ b/plugins/org.eclipse.gmf.runtime.lite/src/org/eclipse/gmf/runtime/lite/commands/VetoCommand.java
@@ -0,0 +1,42 @@
+/**
+ * Copyright (c) 2006 Borland Software Corporation
+ * 
+ * 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:
+ *    bblajer - initial API and implementation
+ */
+package org.eclipse.gmf.runtime.lite.commands;
+
+import org.eclipse.emf.common.command.Command;
+import org.eclipse.emf.common.command.CommandWrapper;
+import org.eclipse.emf.common.command.IdentityCommand;
+import org.eclipse.emf.common.command.UnexecutableCommand;
+
+/**
+ * Command that, if can be executed, does nothing.  
+ * @author bblajer
+ */
+public abstract class VetoCommand extends CommandWrapper {
+	public VetoCommand() {
+		super();
+	}
+
+	public VetoCommand(String label) {
+		super(label);
+	}
+
+	public VetoCommand(String label, String description) {
+		super(label, description);
+	}
+
+	@Override
+	protected Command createCommand() {
+		return shouldExecute() ? IdentityCommand.INSTANCE : UnexecutableCommand.INSTANCE;
+	}
+
+	protected abstract boolean shouldExecute();
+}
diff --git a/plugins/org.eclipse.gmf.runtime.lite/src/org/eclipse/gmf/runtime/lite/edit/policies/DelegatingDirectEditPolicy.java b/plugins/org.eclipse.gmf.runtime.lite/src/org/eclipse/gmf/runtime/lite/edit/policies/DelegatingDirectEditPolicy.java
new file mode 100644
index 000000000..464b0a2b9
--- /dev/null
+++ b/plugins/org.eclipse.gmf.runtime.lite/src/org/eclipse/gmf/runtime/lite/edit/policies/DelegatingDirectEditPolicy.java
@@ -0,0 +1,31 @@
+/**
+ * Copyright (c) 2006 Borland Software Corporation
+ * 
+ * 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:
+ *    bblajer - initial API and implementation
+ */
+package org.eclipse.gmf.runtime.lite.edit.policies;
+
+import org.eclipse.gef.commands.Command;
+import org.eclipse.gef.editpolicies.DirectEditPolicy;
+import org.eclipse.gef.requests.DirectEditRequest;
+
+/**
+ * Edit policy that understands direct edit requests, but does nothing in response to it.
+ * This may used by edit parts that delegate direct edit request to child edit parts.
+ */
+public class DelegatingDirectEditPolicy extends DirectEditPolicy {
+	@Override
+	protected Command getDirectEditCommand(DirectEditRequest request) {
+		return null;
+	}
+
+	@Override
+	protected void showCurrentEditValue(DirectEditRequest request) {
+	}
+}