Added example step over handler

2 files changed, 53 insertions, 1 deletions

diff --git a/org.eclipse.debug.examples.ui/src/org/eclipse/debug/examples/ui/midi/adapters/MidiAdapterFactory.java b/org.eclipse.debug.examples.ui/src/org/eclipse/debug/examples/ui/midi/adapters/MidiAdapterFactory.java
index 2fe6cc27c..26696b1c6 100644
--- a/org.eclipse.debug.examples.ui/src/org/eclipse/debug/examples/ui/midi/adapters/MidiAdapterFactory.java
+++ b/org.eclipse.debug.examples.ui/src/org/eclipse/debug/examples/ui/midi/adapters/MidiAdapterFactory.java
@@ -14,6 +14,7 @@ import javax.sound.midi.MidiEvent;
 import javax.sound.midi.Track;
 
 import org.eclipse.core.runtime.IAdapterFactory;
+import org.eclipse.debug.core.commands.IStepOverHandler;
 import org.eclipse.debug.examples.core.midi.launcher.MidiLaunch;
 import org.eclipse.debug.examples.core.midi.launcher.SequencerControl;
 import org.eclipse.debug.internal.ui.viewers.model.provisional.IColumnPresentationFactory;
@@ -43,6 +44,8 @@ public class MidiAdapterFactory implements IAdapterFactory {
 	private static IModelProxyFactory fgSequencerModelProxyFactory = new SequencerModelProxyFactory();
 	
 	private static IElementMementoProvider fgMementoProvider = new ControlsMementoProvider();
+	
+	private static IStepOverHandler fgStepOverHandler = new MidiStepOverHandler();
 
 	public Object getAdapter(Object adaptableObject, Class adapterType) {
 		if (IElementContentProvider.class.equals(adapterType)) {
@@ -86,10 +89,13 @@ public class MidiAdapterFactory implements IAdapterFactory {
 		if (IElementMementoProvider.class.equals(adapterType)) {
 			return fgMementoProvider;
 		}
+		if (IStepOverHandler.class.equals(adapterType)) {
+			return fgStepOverHandler;
+		}
 		return null;
 	}
 
 	public Class[] getAdapterList() {
-		return new Class[]{IElementContentProvider.class, IElementLabelProvider.class};
+		return new Class[]{IElementContentProvider.class, IElementLabelProvider.class, IStepOverHandler.class};
 	}
 }
diff --git a/org.eclipse.debug.examples.ui/src/org/eclipse/debug/examples/ui/midi/adapters/MidiStepOverHandler.java b/org.eclipse.debug.examples.ui/src/org/eclipse/debug/examples/ui/midi/adapters/MidiStepOverHandler.java
new file mode 100644
index 000000000..fb2bdaafa
--- /dev/null
+++ b/org.eclipse.debug.examples.ui/src/org/eclipse/debug/examples/ui/midi/adapters/MidiStepOverHandler.java
@@ -0,0 +1,46 @@
+/*******************************************************************************
+ * Copyright (c) 2008 IBM Corporation and others.
+ * 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:
+ *     IBM Corporation - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.debug.examples.ui.midi.adapters;
+
+import org.eclipse.core.runtime.IStatus;
+import org.eclipse.core.runtime.Status;
+import org.eclipse.debug.core.commands.IDebugCommandRequest;
+import org.eclipse.debug.core.commands.IEnabledStateRequest;
+import org.eclipse.debug.core.commands.IStepOverHandler;
+
+/**
+ * Provides an example command handler for the step over action.
+ * On execute, it simply returns a status that is opened in an
+ * error dialog.
+ */
+public class MidiStepOverHandler implements IStepOverHandler {
+
+	/* (non-Javadoc)
+	 * @see org.eclipse.debug.core.commands.IDebugCommandHandler#canExecute(org.eclipse.debug.core.commands.IEnabledStateRequest)
+	 */
+	public void canExecute(IEnabledStateRequest request) {
+		// We could create a job here, schedule it, then return to be asynchronous
+		request.setEnabled(request.getElements().length > 0);
+		request.done();
+	}
+
+	/* (non-Javadoc)
+	 * @see org.eclipse.debug.core.commands.IDebugCommandHandler#execute(org.eclipse.debug.core.commands.IDebugCommandRequest)
+	 */
+	public boolean execute(IDebugCommandRequest request) {
+		// We could create a job to do this work, schedule it, then return to be asynchronous
+		// If running asynchronously, remember to return the enablement you want the action to have while this action is run
+		request.setStatus(new Status(IStatus.WARNING,"org.eclipse.debug.examples.ui","This is an example command handler overriding the default using an adapter on " + request.getElements()[0].getClass().getName()));
+		request.done();
+		return true;
+	}
+
+}