initial release of additional MIDI example

28 files changed, 1735 insertions, 4 deletions

diff --git a/org.eclipse.debug.examples.core/META-INF/MANIFEST.MF b/org.eclipse.debug.examples.core/META-INF/MANIFEST.MF
index 0de72ed97..2401c49ee 100644
--- a/org.eclipse.debug.examples.core/META-INF/MANIFEST.MF
+++ b/org.eclipse.debug.examples.core/META-INF/MANIFEST.MF
@@ -9,7 +9,8 @@ Require-Bundle: org.eclipse.core.runtime,
  org.eclipse.core.variables,
  org.eclipse.debug.core
 Eclipse-LazyStart: true
-Export-Package: org.eclipse.debug.examples.core.pda,
+Export-Package: org.eclipse.debug.examples.core.midi.launcher,
+ org.eclipse.debug.examples.core.pda,
  org.eclipse.debug.examples.core.pda.breakpoints,
  org.eclipse.debug.examples.core.pda.launcher,
  org.eclipse.debug.examples.core.pda.model,
diff --git a/org.eclipse.debug.examples.core/plugin.xml b/org.eclipse.debug.examples.core/plugin.xml
index 0133be329..90ceead9c 100644
--- a/org.eclipse.debug.examples.core/plugin.xml
+++ b/org.eclipse.debug.examples.core/plugin.xml
@@ -22,6 +22,15 @@
    </extension>
 <!--#endif-->  
 
+   <extension
+         point="org.eclipse.debug.core.launchConfigurationTypes">
+      <launchConfigurationType
+            delegate="org.eclipse.debug.examples.core.midi.launcher.MidiLaunchDelegate"
+            name="MIDI Sequence"
+            id="midi.launchType"
+            modes="run, debug"/>
+   </extension>
+
 <!--#ifdef ex4-->
 <!--#else-->
    <extension
diff --git a/org.eclipse.debug.examples.core/src/org/eclipse/debug/examples/core/midi/launcher/MidiLaunch.java b/org.eclipse.debug.examples.core/src/org/eclipse/debug/examples/core/midi/launcher/MidiLaunch.java
new file mode 100644
index 000000000..b47b5a276
--- /dev/null
+++ b/org.eclipse.debug.examples.core/src/org/eclipse/debug/examples/core/midi/launcher/MidiLaunch.java
@@ -0,0 +1,145 @@
+/*******************************************************************************
+ * 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.core.midi.launcher;
+
+import javax.sound.midi.MidiFileFormat;
+import javax.sound.midi.Sequencer;
+
+import org.eclipse.debug.core.DebugException;
+import org.eclipse.debug.core.ILaunchConfiguration;
+import org.eclipse.debug.core.Launch;
+import org.eclipse.debug.core.model.ISuspendResume;
+
+/**
+ * A launch containing a MIDI sequencer.
+ * 
+ * @since 1.0
+ */
+public class MidiLaunch extends Launch implements ISuspendResume {
+	
+	/**
+	 * MIDI Sequencer
+	 */
+	private Sequencer fSequencer;
+	
+	/**
+	 * MIDI file format
+	 */
+	private MidiFileFormat fFormat;
+
+	/**
+	 * Constructs a new MIDI launch.
+	 * 
+	 * @param launchConfiguration configuration to play
+	 * @param mode mode to play in
+	 */
+	public MidiLaunch(ILaunchConfiguration launchConfiguration, String mode) {
+		super(launchConfiguration, mode, null);
+	}
+	
+	/**
+	 * Sets the sequencer used to play MIDI files.
+	 * 
+	 * @param sequencer
+	 */
+	public void setSequencer(Sequencer sequencer) {
+		fSequencer = sequencer;
+		fireChanged();
+	}
+	
+	/**
+	 * Sets the format of the sequence
+	 * @param format
+	 */
+	public void setFormat(MidiFileFormat format) {
+		fFormat = format;
+	}
+
+	/**
+	 * Returns the sequencer used to play MIDI files.
+	 * 
+	 * @return the sequencer used to play MIDI files
+	 */
+	public Sequencer getSequencer() {
+		return fSequencer;
+	}
+
+	/* (non-Javadoc)
+	 * @see org.eclipse.debug.core.Launch#canTerminate()
+	 */
+	public boolean canTerminate() {
+		return getSequencer().isOpen();
+	}
+
+	/* (non-Javadoc)
+	 * @see org.eclipse.debug.core.Launch#isTerminated()
+	 */
+	public boolean isTerminated() {
+		if (fSequencer != null) {
+			return !fSequencer.isOpen();
+		}
+		return false;
+	}
+
+	/* (non-Javadoc)
+	 * @see org.eclipse.debug.core.Launch#terminate()
+	 */
+	public void terminate() throws DebugException {
+		getSequencer().stop();
+		getSequencer().close();
+		fireTerminate();
+	}
+
+	/* (non-Javadoc)
+	 * @see org.eclipse.debug.core.model.ISuspendResume#canResume()
+	 */
+	public boolean canResume() {
+		return isSuspended();
+	}
+
+	/* (non-Javadoc)
+	 * @see org.eclipse.debug.core.model.ISuspendResume#canSuspend()
+	 */
+	public boolean canSuspend() {
+		if (fSequencer != null) {
+			return fSequencer.isRunning();
+		}
+		return false;
+	}
+
+	/* (non-Javadoc)
+	 * @see org.eclipse.debug.core.model.ISuspendResume#isSuspended()
+	 */
+	public boolean isSuspended() {
+		if (fSequencer != null) {
+			return fSequencer.isOpen() & !fSequencer.isRunning();
+		}
+		return false;
+	}
+
+	/* (non-Javadoc)
+	 * @see org.eclipse.debug.core.model.ISuspendResume#resume()
+	 */
+	public void resume() throws DebugException {
+		getSequencer().start();
+		fireChanged();
+	}
+
+	/* (non-Javadoc)
+	 * @see org.eclipse.debug.core.model.ISuspendResume#suspend()
+	 */
+	public void suspend() throws DebugException {
+		getSequencer().stop();
+		fireChanged();
+	}
+	
+	
+}
diff --git a/org.eclipse.debug.examples.core/src/org/eclipse/debug/examples/core/midi/launcher/MidiLaunchDelegate.java b/org.eclipse.debug.examples.core/src/org/eclipse/debug/examples/core/midi/launcher/MidiLaunchDelegate.java
new file mode 100644
index 000000000..221fef395
--- /dev/null
+++ b/org.eclipse.debug.examples.core/src/org/eclipse/debug/examples/core/midi/launcher/MidiLaunchDelegate.java
@@ -0,0 +1,117 @@
+/*******************************************************************************
+ * 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.core.midi.launcher;
+
+import java.io.BufferedInputStream;
+import java.io.IOException;
+
+import javax.sound.midi.InvalidMidiDataException;
+import javax.sound.midi.MidiFileFormat;
+import javax.sound.midi.MidiSystem;
+import javax.sound.midi.MidiUnavailableException;
+import javax.sound.midi.Sequencer;
+
+import org.eclipse.core.resources.IFile;
+import org.eclipse.core.resources.IWorkspaceRoot;
+import org.eclipse.core.resources.ResourcesPlugin;
+import org.eclipse.core.runtime.CoreException;
+import org.eclipse.core.runtime.IPath;
+import org.eclipse.core.runtime.IProgressMonitor;
+import org.eclipse.core.runtime.IStatus;
+import org.eclipse.core.runtime.Path;
+import org.eclipse.core.runtime.Status;
+import org.eclipse.debug.core.ILaunch;
+import org.eclipse.debug.core.ILaunchConfiguration;
+import org.eclipse.debug.core.model.LaunchConfigurationDelegate;
+import org.eclipse.debug.examples.core.pda.DebugCorePlugin;
+
+/**
+ * Creates and starts a MIDI sequencer.
+ * 
+ * @since 1.0
+ */
+public class MidiLaunchDelegate extends LaunchConfigurationDelegate {
+
+	/**
+	 * Identifier for the MIDI launch configuration type
+	 * (value <code>midi.launchType</code>)
+	 */
+	public static final String ID_MIDI_LAUNCH_CONFIGURATION_TYPE = "midi.launchType";
+	
+	/**
+	 * Launch configuration attribute for the MIDI file to play
+	 * (value <code>midi.file</code>)
+	 */
+	public static final String ATTR_MIDI_FILE = "midi.file";
+	
+	/* (non-Javadoc)
+	 * @see org.eclipse.debug.core.model.ILaunchConfigurationDelegate#launch(org.eclipse.debug.core.ILaunchConfiguration, java.lang.String, org.eclipse.debug.core.ILaunch, org.eclipse.core.runtime.IProgressMonitor)
+	 */
+	public void launch(ILaunchConfiguration configuration, String mode, ILaunch launch, IProgressMonitor monitor) throws CoreException {
+		String fileName = configuration.getAttribute(ATTR_MIDI_FILE, (String)null);
+		if (fileName == null) {
+			abort("MIDI file not specified.", null);
+		}
+		IWorkspaceRoot root = ResourcesPlugin.getWorkspace().getRoot();
+		IFile file = root.getFile(new Path(fileName));
+		if (!file.exists()) {
+			abort("MIDI file does not exist.", null);
+		}
+		Sequencer sequencer = null;
+		MidiFileFormat fileFormat = null;
+		try {
+			sequencer = MidiSystem.getSequencer();
+			sequencer.open();
+			IPath location = file.getLocation();
+			if (location != null) {
+				fileFormat = MidiSystem.getMidiFileFormat(location.toFile());
+			}
+		} catch (MidiUnavailableException e) {
+			abort("Cannot initialize sequencer.", e);
+		} catch (InvalidMidiDataException e) {
+			abort("Invalid MIDI file.", e);
+		} catch (IOException e) {
+			abort("Error reading MIDI file.", e);
+		}
+		BufferedInputStream stream = new BufferedInputStream(file.getContents());
+		try {
+			sequencer.setSequence(stream);
+		} catch (IOException e) {
+			abort("Error reading MIDI file", e);
+		} catch (InvalidMidiDataException e) {
+			abort("Inavlid MIDI file.", e);
+		}
+		MidiLaunch midiLaunch = (MidiLaunch)launch;
+		midiLaunch.setSequencer(sequencer);
+		midiLaunch.setFormat(fileFormat);
+		sequencer.start();
+	}
+
+	/**
+	 * Throws an exception with a new status containing the given
+	 * message and optional exception.
+	 * 
+	 * @param message error message
+	 * @param e underlying exception
+	 * @throws CoreException
+	 */
+	private void abort(String message, Throwable e) throws CoreException {
+		throw new CoreException(new Status(IStatus.ERROR, DebugCorePlugin.getDefault().getDescriptor().getUniqueIdentifier(), 0, message, e));
+	}
+	
+	/* (non-Javadoc)
+	 * @see org.eclipse.debug.core.model.ILaunchConfigurationDelegate2#getLaunch(org.eclipse.debug.core.ILaunchConfiguration, java.lang.String)
+	 */
+	public ILaunch getLaunch(ILaunchConfiguration configuration, String mode) throws CoreException {
+		return new MidiLaunch(configuration, mode);
+	}
+
+}
diff --git a/org.eclipse.debug.examples.core/src/org/eclipse/debug/examples/core/midi/launcher/SequencerControl.java b/org.eclipse.debug.examples.core/src/org/eclipse/debug/examples/core/midi/launcher/SequencerControl.java
new file mode 100644
index 000000000..945036875
--- /dev/null
+++ b/org.eclipse.debug.examples.core/src/org/eclipse/debug/examples/core/midi/launcher/SequencerControl.java
@@ -0,0 +1,112 @@
+/*******************************************************************************
+ * 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.core.midi.launcher;
+
+import javax.sound.midi.Sequencer;
+
+import org.eclipse.core.runtime.IStatus;
+import org.eclipse.debug.core.DebugEvent;
+import org.eclipse.debug.core.DebugPlugin;
+
+/**
+ * Controls some aspect of a MIDI sequencer.
+ * 
+ * @since 1.0
+ */
+public abstract class SequencerControl {
+	
+	/**
+	 * The launch
+	 */
+	private MidiLaunch fLaunch;
+	
+	/** 
+	 * Control name
+	 */
+	private String fName;
+	
+	/**
+	 * Constructs a control with the given name.
+	 */
+	public SequencerControl(String name, MidiLaunch launch) {
+		fName = name;
+		fLaunch = launch;
+	}
+	
+	/**
+	 * Returns the launch this control is associated with.
+	 * 
+	 * @return MIDI launch
+	 */
+	public MidiLaunch getLaunch() {
+		return fLaunch;
+	}
+
+	/**
+	 * Returns the sequencer associated with this control.
+	 * 
+	 * @return associated sequencer
+	 */
+	public Sequencer getSequencer() {
+		return fLaunch.getSequencer();
+	}
+	
+	/**
+	 * Returns the name of this control.
+	 * 
+	 * @return control name
+	 */
+	public String getName() {
+		return fName;
+	}
+	
+	/**
+	 * Returns this controls current value.
+	 * 
+	 * @return current value
+	 */
+	public abstract String getValue();
+	
+	/**
+	 * Whether this contol's value can be modified.
+	 * 
+	 * @return Whether this contol's value can be modified
+	 */
+	public abstract boolean isEditable();
+	
+	/**
+	 * Returns a status indicating if the given value is
+	 * a valid value for this control to accept.
+	 * 
+	 * @param value new value
+	 * @return whether the value is valid
+	 */
+	public abstract IStatus validateValue(String value);
+	
+	/**
+	 * Sets the value of this control to the given value
+	 * and returns a status indicating if the value was
+	 * successfully set.
+	 * 
+	 * @param newValue value
+	 * @return whether successful
+	 */
+	public abstract IStatus setValue(String newValue);
+	
+	/**
+	 * Fires a debug event.
+	 * 
+	 * @param event debug event to fire
+	 */
+	public void fireEvent(DebugEvent event) {
+		DebugPlugin.getDefault().fireDebugEventSet(new DebugEvent[] {event});
+	} 	
+}
diff --git a/org.eclipse.debug.examples.core/src/org/eclipse/debug/examples/core/midi/launcher/TempoControl.java b/org.eclipse.debug.examples.core/src/org/eclipse/debug/examples/core/midi/launcher/TempoControl.java
new file mode 100644
index 000000000..f6cc7f2ad
--- /dev/null
+++ b/org.eclipse.debug.examples.core/src/org/eclipse/debug/examples/core/midi/launcher/TempoControl.java
@@ -0,0 +1,107 @@
+/*******************************************************************************
+ * 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.core.midi.launcher;
+
+import org.eclipse.core.runtime.CoreException;
+import org.eclipse.core.runtime.IStatus;
+import org.eclipse.core.runtime.Status;
+import org.eclipse.debug.core.DebugEvent;
+import org.eclipse.debug.examples.core.pda.DebugCorePlugin;
+
+/**
+ * Controls the tempo of a sequencer.
+ * 
+ * @since 1.0
+ */
+public class TempoControl extends SequencerControl {
+
+	/**
+	 * Constructs a tempo control for the given launch.
+	 */
+	public TempoControl(MidiLaunch launch) {
+		super("Tempo (BPM)", launch);
+	}
+
+	/* (non-Javadoc)
+	 * @see org.eclipse.debug.examples.core.midi.launcher.SequencerControl#getValue()
+	 */
+	public String getValue() {
+		float bpm = getSequencer().getTempoInBPM();
+		return Float.toString(bpm);
+	}
+
+	/* (non-Javadoc)
+	 * @see org.eclipse.debug.examples.core.midi.launcher.SequencerControl#isEditable()
+	 */
+	public boolean isEditable() {
+		return getSequencer().isOpen();
+	}
+
+	/* (non-Javadoc)
+	 * @see org.eclipse.debug.examples.core.midi.launcher.SequencerControl#setValue(java.lang.String)
+	 */
+	public IStatus setValue(String newValue) {
+		try {
+			float value = getFloat(newValue);
+			getSequencer().setTempoInBPM(value);
+			fireEvent(new DebugEvent(this, DebugEvent.CHANGE));
+			return Status.OK_STATUS;
+		} catch (CoreException e) {
+			return e.getStatus();
+		}
+	}
+
+	/* (non-Javadoc)
+	 * @see org.eclipse.debug.examples.core.midi.launcher.SequencerControl#validateValue(java.lang.String)
+	 */
+	public IStatus validateValue(String value) {
+		try {
+			getFloat(value);
+			return Status.OK_STATUS;
+		} catch (CoreException e) {
+			return e.getStatus();
+		}
+	}
+
+	/**
+	 * Returns a float for the string.
+	 * 
+	 * @param value string
+	 * @return float
+	 * @throws CoreException if not a valid value 
+	 */
+	protected float getFloat(String value) throws CoreException {
+		try {
+			return Float.parseFloat(value); 
+		} catch (NumberFormatException e) {
+			throw new CoreException(new Status(IStatus.ERROR, DebugCorePlugin.PLUGIN_ID, "Tempo must be a number", e));
+		}
+	}
+
+	/* (non-Javadoc)
+	 * @see java.lang.Object#equals(java.lang.Object)
+	 */
+	public boolean equals(Object obj) {
+		if (obj instanceof TempoControl) {
+			return ((TempoControl)obj).getSequencer().equals(getSequencer());
+			
+		}
+		return false;
+	}
+
+	/* (non-Javadoc)
+	 * @see java.lang.Object#hashCode()
+	 */
+	public int hashCode() {
+		return getSequencer().hashCode() + getClass().hashCode();
+	}
+
+}
diff --git a/org.eclipse.debug.examples.core/src/org/eclipse/debug/examples/core/midi/launcher/TimeControl.java b/org.eclipse.debug.examples.core/src/org/eclipse/debug/examples/core/midi/launcher/TimeControl.java
new file mode 100644
index 000000000..6f0be95e4
--- /dev/null
+++ b/org.eclipse.debug.examples.core/src/org/eclipse/debug/examples/core/midi/launcher/TimeControl.java
@@ -0,0 +1,86 @@
+/*******************************************************************************
+ * 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.core.midi.launcher;
+
+import org.eclipse.core.runtime.CoreException;
+import org.eclipse.core.runtime.IStatus;
+import org.eclipse.core.runtime.Status;
+import org.eclipse.debug.examples.core.pda.DebugCorePlugin;
+
+/**
+ * Controls the location of the sequencer in microseconds.
+ * 
+ * @since 1.0
+ */
+public class TimeControl extends SequencerControl {
+
+	/**
+	 * @param name
+	 * @param launch
+	 */
+	public TimeControl(MidiLaunch launch) {
+		super("Time" , launch);
+	}
+
+	/**
+	 * Returns a long for the string.
+	 * 
+	 * @param value string
+	 * @return long
+	 * @throws CoreException if not a valid value 
+	 */
+	protected long getLong(String value) throws CoreException {
+		try {
+			return Long.parseLong(value); 
+		} catch (NumberFormatException e) {
+			throw new CoreException(new Status(IStatus.ERROR, DebugCorePlugin.PLUGIN_ID, "Time must be a number", e));
+		}
+	}
+	
+	/* (non-Javadoc)
+	 * @see org.eclipse.debug.examples.core.midi.launcher.SequencerControl#getValue()
+	 */
+	public String getValue() {
+		long position = getSequencer().getMicrosecondPosition();
+		int milli = (int) (position & 0x3F);
+		int sec = (int) (position / 1000000);
+		StringBuffer clock = new StringBuffer();
+		clock.append(sec);
+		clock.append(':');
+		clock.append(milli);
+		return clock.toString();
+	}
+
+	/* (non-Javadoc)
+	 * @see org.eclipse.debug.examples.core.midi.launcher.SequencerControl#isEditable()
+	 */
+	public boolean isEditable() {
+		// TODO Auto-generated method stub
+		return false;
+	}
+
+	/* (non-Javadoc)
+	 * @see org.eclipse.debug.examples.core.midi.launcher.SequencerControl#setValue(java.lang.String)
+	 */
+	public IStatus setValue(String newValue) {
+		// TODO Auto-generated method stub
+		return null;
+	}
+
+	/* (non-Javadoc)
+	 * @see org.eclipse.debug.examples.core.midi.launcher.SequencerControl#validateValue(java.lang.String)
+	 */
+	public IStatus validateValue(String value) {
+		// TODO Auto-generated method stub
+		return null;
+	}
+
+}
diff --git a/org.eclipse.debug.examples.core/src/org/eclipse/debug/examples/core/pda/DebugCorePlugin.java b/org.eclipse.debug.examples.core/src/org/eclipse/debug/examples/core/pda/DebugCorePlugin.java
index f58fe8613..be74eb78a 100644
--- a/org.eclipse.debug.examples.core/src/org/eclipse/debug/examples/core/pda/DebugCorePlugin.java
+++ b/org.eclipse.debug.examples.core/src/org/eclipse/debug/examples/core/pda/DebugCorePlugin.java
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2005, 2007 IBM Corporation and others.
+ * Copyright (c) 2005, 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
@@ -55,6 +55,11 @@ public class DebugCorePlugin extends Plugin {
 	public static final String ID_PDA_LAUNCH_CONFIGURATION_TYPE = "pda.launchType";	
 	
 	/**
+	 * Plug-in identifier.
+	 */
+	public static final String PLUGIN_ID = "org.eclipse.debug.examples.core";
+	
+	/**
 	 * The constructor.
 	 */
 	public DebugCorePlugin() {
diff --git a/org.eclipse.debug.examples.ui/META-INF/MANIFEST.MF b/org.eclipse.debug.examples.ui/META-INF/MANIFEST.MF
index 0b61b2dbd..a2ac9041e 100644
--- a/org.eclipse.debug.examples.ui/META-INF/MANIFEST.MF
+++ b/org.eclipse.debug.examples.ui/META-INF/MANIFEST.MF
@@ -15,7 +15,8 @@ Require-Bundle: org.eclipse.core.runtime,
  org.eclipse.ui.ide,
  org.eclipse.debug.examples.core
 Eclipse-LazyStart: true
-Export-Package: org.eclipse.debug.examples.ui.pda,
+Export-Package: org.eclipse.debug.examples.ui.midi.launcher,
+ org.eclipse.debug.examples.ui.pda,
  org.eclipse.debug.examples.ui.pda.adapters,
  org.eclipse.debug.examples.ui.pda.breakpoints,
  org.eclipse.debug.examples.ui.pda.editor,
diff --git a/org.eclipse.debug.examples.ui/icons/full/obj16/note.gif b/org.eclipse.debug.examples.ui/icons/full/obj16/note.gif
new file mode 100644
index 000000000..7bc1e0813
--- /dev/null
+++ b/org.eclipse.debug.examples.ui/icons/full/obj16/note.gif
diff --git a/org.eclipse.debug.examples.ui/plugin.xml b/org.eclipse.debug.examples.ui/plugin.xml
index 3cc918c18..6809c0442 100644
--- a/org.eclipse.debug.examples.ui/plugin.xml
+++ b/org.eclipse.debug.examples.ui/plugin.xml
@@ -10,6 +10,11 @@
             description="Specify and launch a PDA program"
             id="pda.tabGroup"
             type="pda.launchType"/>
+      <launchConfigurationTabGroup
+            class="org.eclipse.debug.examples.ui.midi.launcher.MidiTabGroup"
+            description="Play a MIDI file"
+            id="midi.tabGroup"
+            type="midi.launchType"/>            
    </extension>
    <extension
          point="org.eclipse.debug.ui.launchConfigurationTypeImages">
@@ -17,6 +22,10 @@
             icon="icons/full/obj16/pda.gif"
             configTypeID="pda.launchType"
             id="pda.typeImage"/>
+      <launchConfigurationTypeImage
+            icon="icons/full/obj16/note.gif"
+            configTypeID="midi.launchType"
+            id="midi.typeImage"/>            
    </extension>
    <extension
          point="org.eclipse.debug.ui.launchShortcuts">
@@ -171,4 +180,57 @@
       </factory>
 -->
    </extension>
+   
+   <extension
+         point="org.eclipse.core.runtime.adapters">
+      <factory
+            class="org.eclipse.debug.examples.ui.midi.adapters.MidiAdapterFactory"
+            adaptableType="org.eclipse.debug.examples.core.midi.launcher.MidiLaunch">
+			<adapter type="org.eclipse.debug.internal.ui.viewers.model.provisional.IElementContentProvider"/>
+   <adapter
+         type="org.eclipse.debug.internal.ui.viewers.model.provisional.IColumnPresentationFactory">
+   </adapter>
+   <adapter
+         type="org.eclipse.debug.internal.ui.viewers.model.provisional.IModelProxyFactory">
+   </adapter>
+   <adapter
+         type="org.eclipse.debug.internal.ui.viewers.model.provisional.IElementMementoProvider">
+   </adapter>
+      </factory>
+      <factory
+            class="org.eclipse.debug.examples.ui.midi.adapters.MidiAdapterFactory"
+            adaptableType="javax.sound.midi.Track">
+			<adapter type="org.eclipse.debug.internal.ui.viewers.model.provisional.IElementLabelProvider"/>
+      </factory>
+      <factory
+            adaptableType="org.eclipse.debug.examples.core.midi.launcher.SequencerControl"
+            class="org.eclipse.debug.examples.ui.midi.adapters.MidiAdapterFactory">
+         <adapter
+               type="org.eclipse.debug.internal.ui.viewers.model.provisional.IElementLabelProvider">
+         </adapter>
+         <adapter
+               type="org.eclipse.debug.internal.ui.viewers.model.provisional.IElementEditor">
+         </adapter>
+      </factory>      
+   </extension>
+   <extension
+         point="org.eclipse.debug.ui.detailPaneFactories">
+      <detailFactories
+            class="org.eclipse.debug.examples.ui.midi.detailpanes.ControlDetailPaneFactory"
+            id="org.eclipse.debug.examples.ui.controlFactory">
+         <enablement>
+            <with
+                  variable="selection">
+               <count
+                     value="1">
+               </count>
+               <iterate>
+                  <instanceof
+                        value="org.eclipse.debug.examples.core.midi.launcher.TempoControl">
+                  </instanceof>
+               </iterate>
+            </with>
+         </enablement>
+      </detailFactories>
+   </extension>   
 </plugin>
diff --git a/org.eclipse.debug.examples.ui/src/org/eclipse/debug/examples/ui/midi/adapters/ControlCellModifier.java b/org.eclipse.debug.examples.ui/src/org/eclipse/debug/examples/ui/midi/adapters/ControlCellModifier.java
new file mode 100644
index 000000000..100f20e5a
--- /dev/null
+++ b/org.eclipse.debug.examples.ui/src/org/eclipse/debug/examples/ui/midi/adapters/ControlCellModifier.java
@@ -0,0 +1,67 @@
+/*******************************************************************************
+ * 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.debug.examples.core.midi.launcher.SequencerControl;
+import org.eclipse.jface.viewers.ICellModifier;
+
+/**
+ * A cell modifier for a sequencer control. Provides current
+ * values of controls and updates control values in the sequencer
+ * as they are changed in the UI.
+ * 
+ * @since 1.0
+ */
+public class ControlCellModifier implements ICellModifier {
+	
+	/* (non-Javadoc)
+	 * @see org.eclipse.jface.viewers.ICellModifier#canModify(java.lang.Object, java.lang.String)
+	 */
+	public boolean canModify(Object element, String property) {
+		if (SequencerColumnPresentation.COL_VALUE.equals(property)) {
+			if (element instanceof SequencerControl) {
+				return ((SequencerControl) element).isEditable();
+			}
+		}
+		return false;
+	}
+
+	/* (non-Javadoc)
+	 * @see org.eclipse.jface.viewers.ICellModifier#getValue(java.lang.Object, java.lang.String)
+	 */
+	public Object getValue(Object element, String property) {
+		if (SequencerColumnPresentation.COL_VALUE.equals(property)) {
+			if (element instanceof SequencerControl) {
+				SequencerControl control = (SequencerControl) element;
+				return control.getValue();
+			}
+		}
+		return null;
+	}
+
+	/* (non-Javadoc)
+	 * @see org.eclipse.jface.viewers.ICellModifier#modify(java.lang.Object, java.lang.String, java.lang.Object)
+	 */
+	public void modify(Object element, String property, Object value) {
+		Object oldValue = getValue(element, property);
+        if (!value.equals(oldValue)) {
+        	if (SequencerColumnPresentation.COL_VALUE.equals(property)) {
+				if (element instanceof SequencerControl) {
+					if (value instanceof String) {
+						SequencerControl control = (SequencerControl) element;
+						control.setValue((String) value);						
+					}
+				}
+	        }
+		}
+	}
+
+}
diff --git a/org.eclipse.debug.examples.ui/src/org/eclipse/debug/examples/ui/midi/adapters/ControlEditor.java b/org.eclipse.debug.examples.ui/src/org/eclipse/debug/examples/ui/midi/adapters/ControlEditor.java
new file mode 100644
index 000000000..ecb05ae8b
--- /dev/null
+++ b/org.eclipse.debug.examples.ui/src/org/eclipse/debug/examples/ui/midi/adapters/ControlEditor.java
@@ -0,0 +1,41 @@
+/*******************************************************************************
+ * 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.debug.internal.ui.viewers.model.provisional.IElementEditor;
+import org.eclipse.debug.internal.ui.viewers.model.provisional.IPresentationContext;
+import org.eclipse.jface.viewers.CellEditor;
+import org.eclipse.jface.viewers.ICellModifier;
+import org.eclipse.jface.viewers.TextCellEditor;
+import org.eclipse.swt.widgets.Composite;
+
+/**
+ * Provides cell editors and modifiers for sequencer controls.
+ * 
+ * @since 1.0
+ */
+public class ControlEditor implements IElementEditor {
+
+	/* (non-Javadoc)
+	 * @see org.eclipse.debug.internal.ui.viewers.model.provisional.IElementEditor#getCellEditor(org.eclipse.debug.internal.ui.viewers.model.provisional.IPresentationContext, java.lang.String, java.lang.Object, org.eclipse.swt.widgets.Composite)
+	 */
+	public CellEditor getCellEditor(IPresentationContext context, String columnId, Object element, Composite parent) {
+		return new TextCellEditor(parent);
+	}
+
+	/* (non-Javadoc)
+	 * @see org.eclipse.debug.internal.ui.viewers.model.provisional.IElementEditor#getCellModifier(org.eclipse.debug.internal.ui.viewers.model.provisional.IPresentationContext, java.lang.Object)
+	 */
+	public ICellModifier getCellModifier(IPresentationContext context, Object element) {
+		return new ControlCellModifier();
+	}
+
+}
diff --git a/org.eclipse.debug.examples.ui/src/org/eclipse/debug/examples/ui/midi/adapters/ControlEventHandler.java b/org.eclipse.debug.examples.ui/src/org/eclipse/debug/examples/ui/midi/adapters/ControlEventHandler.java
new file mode 100644
index 000000000..3766b9025
--- /dev/null
+++ b/org.eclipse.debug.examples.ui/src/org/eclipse/debug/examples/ui/midi/adapters/ControlEventHandler.java
@@ -0,0 +1,49 @@
+/*******************************************************************************
+ * 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.debug.core.DebugEvent;
+import org.eclipse.debug.examples.core.midi.launcher.MidiLaunch;
+import org.eclipse.debug.internal.ui.viewers.model.provisional.IModelDelta;
+import org.eclipse.debug.internal.ui.viewers.model.provisional.ModelDelta;
+import org.eclipse.debug.internal.ui.viewers.update.DebugEventHandler;
+
+/**
+ * Listens to events from sequencer controls and fires corresponding
+ * deltas to update the viewer.
+ * 
+ * @since 1.0
+ */
+public class ControlEventHandler extends DebugEventHandler {
+
+	private MidiLaunch fLaunch;
+	
+	/**
+	 * @param proxy
+	 */
+	public ControlEventHandler(SequencerControlsModelProxy proxy) {
+		super(proxy);
+		fLaunch = proxy.getMidiLaunch();
+	}
+
+	/* (non-Javadoc)
+	 * @see org.eclipse.debug.internal.ui.viewers.update.DebugEventHandler#handlesEvent(org.eclipse.debug.core.DebugEvent)
+	 */
+	protected boolean handlesEvent(DebugEvent event) {
+		return true;
+	}
+
+	protected void refreshRoot(DebugEvent event) {
+		ModelDelta delta = new ModelDelta(fLaunch, IModelDelta.CONTENT);
+		fireDelta(delta);
+	}
+	
+}
diff --git a/org.eclipse.debug.examples.ui/src/org/eclipse/debug/examples/ui/midi/adapters/ControlLabelProvider.java b/org.eclipse.debug.examples.ui/src/org/eclipse/debug/examples/ui/midi/adapters/ControlLabelProvider.java
new file mode 100644
index 000000000..f54234bf8
--- /dev/null
+++ b/org.eclipse.debug.examples.ui/src/org/eclipse/debug/examples/ui/midi/adapters/ControlLabelProvider.java
@@ -0,0 +1,40 @@
+/*******************************************************************************
+ * 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.CoreException;
+import org.eclipse.debug.examples.core.midi.launcher.SequencerControl;
+import org.eclipse.debug.internal.ui.model.elements.ElementLabelProvider;
+import org.eclipse.debug.internal.ui.viewers.model.provisional.IPresentationContext;
+import org.eclipse.jface.viewers.TreePath;
+
+/**
+ * Label provider for a sequencer control.
+ * 
+ * @since 1.0
+ */
+public class ControlLabelProvider extends ElementLabelProvider {
+
+	/* (non-Javadoc)
+	 * @see org.eclipse.debug.internal.ui.model.elements.ElementLabelProvider#getLabel(org.eclipse.jface.viewers.TreePath, org.eclipse.debug.internal.ui.viewers.model.provisional.IPresentationContext, java.lang.String)
+	 */
+	protected String getLabel(TreePath elementPath, IPresentationContext presentationContext, String columnId) throws CoreException {
+		SequencerControl control = (SequencerControl) elementPath.getLastSegment();
+		if (SequencerColumnPresentation.COL_NAME.equals(columnId)) {
+			return control.getName();
+		}
+		if (SequencerColumnPresentation.COL_VALUE.equals(columnId)) {
+			return control.getValue();
+		}
+		return "";
+	}
+
+}
diff --git a/org.eclipse.debug.examples.ui/src/org/eclipse/debug/examples/ui/midi/adapters/ControlsMementoProvider.java b/org.eclipse.debug.examples.ui/src/org/eclipse/debug/examples/ui/midi/adapters/ControlsMementoProvider.java
new file mode 100644
index 000000000..0dd91e62e
--- /dev/null
+++ b/org.eclipse.debug.examples.ui/src/org/eclipse/debug/examples/ui/midi/adapters/ControlsMementoProvider.java
@@ -0,0 +1,42 @@
+/*******************************************************************************
+ * 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.CoreException;
+import org.eclipse.debug.examples.core.midi.launcher.MidiLaunch;
+import org.eclipse.debug.examples.core.midi.launcher.TempoControl;
+import org.eclipse.debug.internal.ui.model.elements.DebugElementMementoProvider;
+import org.eclipse.debug.internal.ui.viewers.model.provisional.IPresentationContext;
+import org.eclipse.ui.IMemento;
+
+/**
+ * Provides mementos for sequencer elements.
+ * 
+ * @since 1.0
+ */
+public class ControlsMementoProvider extends DebugElementMementoProvider {
+
+	/* (non-Javadoc)
+	 * @see org.eclipse.debug.internal.ui.model.elements.DebugElementMementoProvider#getElementName(java.lang.Object, org.eclipse.debug.internal.ui.viewers.model.provisional.IPresentationContext)
+	 */
+	protected String getElementName(Object element, IPresentationContext context) throws CoreException {
+		if (element instanceof MidiLaunch) {
+			return "SEQUENCER";
+		}
+		if (element instanceof TempoControl) {
+			return "TEMPO_CONTROL";
+		}
+		return null;
+	}
+
+	
+
+}
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
new file mode 100644
index 000000000..1876feb1c
--- /dev/null
+++ b/org.eclipse.debug.examples.ui/src/org/eclipse/debug/examples/ui/midi/adapters/MidiAdapterFactory.java
@@ -0,0 +1,81 @@
+/*******************************************************************************
+ * 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 javax.sound.midi.Track;
+
+import org.eclipse.core.runtime.IAdapterFactory;
+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;
+import org.eclipse.debug.internal.ui.viewers.model.provisional.IElementContentProvider;
+import org.eclipse.debug.internal.ui.viewers.model.provisional.IElementEditor;
+import org.eclipse.debug.internal.ui.viewers.model.provisional.IElementLabelProvider;
+import org.eclipse.debug.internal.ui.viewers.model.provisional.IElementMementoProvider;
+import org.eclipse.debug.internal.ui.viewers.model.provisional.IModelProxyFactory;
+
+/**
+ * Adapter factory for MIDI elements.
+ * 
+ * @since 1.0
+ */
+public class MidiAdapterFactory implements IAdapterFactory {
+
+	private static IElementContentProvider fgSequencerContentProvider = new SequencerContentProvider();
+	
+	private static IElementLabelProvider fgTrackLabelProvider = new TrackLabelProvider();
+	private static IElementLabelProvider fgControlLabelProvider = new ControlLabelProvider();
+	
+	private static IColumnPresentationFactory fgSequencerColumnFactory = new SequencerColumnFactory();
+	
+	private static IModelProxyFactory fgSequencerModelProxyFactory = new SequencerModelProxyFactory();
+	
+	private static IElementMementoProvider fgMementoProvider = new ControlsMementoProvider();
+
+	public Object getAdapter(Object adaptableObject, Class adapterType) {
+		if (IElementContentProvider.class.equals(adapterType)) {
+			if (adaptableObject instanceof MidiLaunch) {
+				return fgSequencerContentProvider;
+			}
+		}
+		if (IElementLabelProvider.class.equals(adapterType)) {
+			if (adaptableObject instanceof Track) {
+				return fgTrackLabelProvider;
+			}
+			if (adaptableObject instanceof SequencerControl) {
+				return fgControlLabelProvider;
+			}
+		}
+		if (IColumnPresentationFactory.class.equals(adapterType)) {
+			if (adaptableObject instanceof MidiLaunch) {
+				return fgSequencerColumnFactory;
+			}
+		}
+		if (IElementEditor.class.equals(adapterType)) {
+			if (adaptableObject instanceof SequencerControl) {
+				return new ControlEditor();
+			}
+		}
+		if (IModelProxyFactory.class.equals(adapterType)) {
+			if (adaptableObject instanceof MidiLaunch) {
+				return fgSequencerModelProxyFactory;
+			}
+		}
+		if (IElementMementoProvider.class.equals(adapterType)) {
+			return fgMementoProvider;
+		}
+		return null;
+	}
+
+	public Class[] getAdapterList() {
+		return new Class[]{IElementContentProvider.class, IElementLabelProvider.class};
+	}
+}
diff --git a/org.eclipse.debug.examples.ui/src/org/eclipse/debug/examples/ui/midi/adapters/SequencerColumnFactory.java b/org.eclipse.debug.examples.ui/src/org/eclipse/debug/examples/ui/midi/adapters/SequencerColumnFactory.java
new file mode 100644
index 000000000..c102fdc37
--- /dev/null
+++ b/org.eclipse.debug.examples.ui/src/org/eclipse/debug/examples/ui/midi/adapters/SequencerColumnFactory.java
@@ -0,0 +1,45 @@
+/*******************************************************************************
+ * 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.debug.internal.ui.viewers.model.provisional.IColumnPresentation;
+import org.eclipse.debug.internal.ui.viewers.model.provisional.IColumnPresentationFactory;
+import org.eclipse.debug.internal.ui.viewers.model.provisional.IPresentationContext;
+import org.eclipse.debug.ui.IDebugUIConstants;
+
+/**
+ * Column presentation factory for a sequencer.
+ * 
+ * @since 1.0
+ */
+public class SequencerColumnFactory implements IColumnPresentationFactory {
+
+	/* (non-Javadoc)
+	 * @see org.eclipse.debug.internal.ui.viewers.model.provisional.IColumnPresentationFactory#createColumnPresentation(org.eclipse.debug.internal.ui.viewers.model.provisional.IPresentationContext, java.lang.Object)
+	 */
+	public IColumnPresentation createColumnPresentation(IPresentationContext context, Object element) {
+		if (IDebugUIConstants.ID_VARIABLE_VIEW.equals(context.getId())) {
+			return new SequencerColumnPresentation();
+		}
+		return null;
+	}
+
+	/* (non-Javadoc)
+	 * @see org.eclipse.debug.internal.ui.viewers.model.provisional.IColumnPresentationFactory#getColumnPresentationId(org.eclipse.debug.internal.ui.viewers.model.provisional.IPresentationContext, java.lang.Object)
+	 */
+	public String getColumnPresentationId(IPresentationContext context, Object element) {
+		if (IDebugUIConstants.ID_VARIABLE_VIEW.equals(context.getId())) {
+			return SequencerColumnPresentation.ID;
+		}
+		return null;
+	}
+
+}
diff --git a/org.eclipse.debug.examples.ui/src/org/eclipse/debug/examples/ui/midi/adapters/SequencerColumnPresentation.java b/org.eclipse.debug.examples.ui/src/org/eclipse/debug/examples/ui/midi/adapters/SequencerColumnPresentation.java
new file mode 100644
index 000000000..4542f844e
--- /dev/null
+++ b/org.eclipse.debug.examples.ui/src/org/eclipse/debug/examples/ui/midi/adapters/SequencerColumnPresentation.java
@@ -0,0 +1,79 @@
+/*******************************************************************************
+ * 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.debug.internal.ui.viewers.provisional.AbstractColumnPresentation;
+
+/**
+ * Columns for sequencer in the variables view.
+ * 
+ * @since 1.0
+ */
+public class SequencerColumnPresentation extends AbstractColumnPresentation {
+
+	/**
+	 * Column identifiers
+	 */
+	public static final String COL_NAME = "NAME";
+	public static final String COL_VALUE = "VALUE";
+
+	/**
+	 * All columns
+	 */
+	public static final String[] COLUMN_IDS = new String[]{COL_NAME, COL_VALUE};
+
+	/**
+	 * Column presentation ID.
+	 */
+	public static final String ID = "org.eclipse.debug.examples.ui.midi.columnPresentation";
+	
+	/* (non-Javadoc)
+	 * @see org.eclipse.debug.internal.ui.viewers.model.provisional.IColumnPresentation#getAvailableColumns()
+	 */
+	public String[] getAvailableColumns() {
+		return COLUMN_IDS;
+	}
+
+	/* (non-Javadoc)
+	 * @see org.eclipse.debug.internal.ui.viewers.model.provisional.IColumnPresentation#getHeader(java.lang.String)
+	 */
+	public String getHeader(String id) {
+		if (COL_NAME.equals(id)) {
+			return "Control";
+		}
+		if (COL_VALUE.equals(id)) {
+			return "Value";
+		}
+		return "";
+	}
+
+	/* (non-Javadoc)
+	 * @see org.eclipse.debug.internal.ui.viewers.model.provisional.IColumnPresentation#getId()
+	 */
+	public String getId() {
+		return ID;
+	}
+
+	/* (non-Javadoc)
+	 * @see org.eclipse.debug.internal.ui.viewers.model.provisional.IColumnPresentation#getInitialColumns()
+	 */
+	public String[] getInitialColumns() {
+		return COLUMN_IDS;
+	}
+
+	/* (non-Javadoc)
+	 * @see org.eclipse.debug.internal.ui.viewers.model.provisional.IColumnPresentation#isOptional()
+	 */
+	public boolean isOptional() {
+		return false;
+	}
+
+}
diff --git a/org.eclipse.debug.examples.ui/src/org/eclipse/debug/examples/ui/midi/adapters/SequencerContentProvider.java b/org.eclipse.debug.examples.ui/src/org/eclipse/debug/examples/ui/midi/adapters/SequencerContentProvider.java
new file mode 100644
index 000000000..b4c04b6f5
--- /dev/null
+++ b/org.eclipse.debug.examples.ui/src/org/eclipse/debug/examples/ui/midi/adapters/SequencerContentProvider.java
@@ -0,0 +1,92 @@
+/*******************************************************************************
+ * 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 javax.sound.midi.Sequencer;
+import javax.sound.midi.Track;
+
+import org.eclipse.core.runtime.CoreException;
+import org.eclipse.debug.examples.core.midi.launcher.MidiLaunch;
+import org.eclipse.debug.examples.core.midi.launcher.SequencerControl;
+import org.eclipse.debug.examples.core.midi.launcher.TempoControl;
+import org.eclipse.debug.examples.core.midi.launcher.TimeControl;
+import org.eclipse.debug.internal.ui.model.elements.ElementContentProvider;
+import org.eclipse.debug.internal.ui.viewers.model.provisional.IPresentationContext;
+import org.eclipse.debug.internal.ui.viewers.model.provisional.IViewerUpdate;
+import org.eclipse.debug.ui.IDebugUIConstants;
+
+/**
+ * Provides content for a MIDI sequencer element (MIDI launch).
+ *  
+ * @since 1.0
+ */
+public class SequencerContentProvider extends ElementContentProvider {
+
+	/* (non-Javadoc)
+	 * @see org.eclipse.debug.internal.ui.model.elements.ElementContentProvider#getChildCount(java.lang.Object, org.eclipse.debug.internal.ui.viewers.model.provisional.IPresentationContext, org.eclipse.debug.internal.ui.viewers.model.provisional.IViewerUpdate)
+	 */
+	protected int getChildCount(Object element, IPresentationContext context, IViewerUpdate monitor) throws CoreException {
+		if (IDebugUIConstants.ID_DEBUG_VIEW.equals(context.getId())) {
+			return getTracks((MidiLaunch) element).length;
+		} else if (IDebugUIConstants.ID_VARIABLE_VIEW.equals(context.getId())) {
+			return 2;
+		}
+		return 0;
+	}
+
+	/* (non-Javadoc)
+	 * @see org.eclipse.debug.internal.ui.model.elements.ElementContentProvider#getChildren(java.lang.Object, int, int, org.eclipse.debug.internal.ui.viewers.model.provisional.IPresentationContext, org.eclipse.debug.internal.ui.viewers.model.provisional.IViewerUpdate)
+	 */
+	protected Object[] getChildren(Object parent, int index, int length, IPresentationContext context, IViewerUpdate monitor) throws CoreException {
+		if (IDebugUIConstants.ID_DEBUG_VIEW.equals(context.getId())) {
+			return getElements(getTracks((MidiLaunch) parent), index, length);
+		} else if (IDebugUIConstants.ID_VARIABLE_VIEW.equals(context.getId())) {
+			return getElements(getControls((MidiLaunch) parent), index, length);
+		}
+		return EMPTY;
+	}
+	
+	/**
+	 * Returns the controls for this sequencer.
+	 * 
+	 * @param launch midi launch
+	 * @return controls
+	 */
+	public SequencerControl[] getControls(MidiLaunch launch) {
+		return new SequencerControl[]{
+				new TempoControl(launch),
+				new TimeControl(launch)
+		};
+	}
+	
+	/**
+	 * Returns all tracks in the sequence.
+	 * 
+	 * @param launch MIDI launch
+	 *@return tracks
+	 */
+	public Track[] getTracks(MidiLaunch launch) {
+		Sequencer sequencer = launch.getSequencer();
+		if (sequencer != null) {
+			return sequencer.getSequence().getTracks();
+		}
+		return new Track[0];
+	}
+
+	/* (non-Javadoc)
+	 * @see org.eclipse.debug.internal.ui.model.elements.ElementContentProvider#supportsContextId(java.lang.String)
+	 */
+	protected boolean supportsContextId(String id) {
+		return IDebugUIConstants.ID_DEBUG_VIEW.equals(id)
+			|| IDebugUIConstants.ID_VARIABLE_VIEW.equals(id);
+	}
+
+}
diff --git a/org.eclipse.debug.examples.ui/src/org/eclipse/debug/examples/ui/midi/adapters/SequencerControlsModelProxy.java b/org.eclipse.debug.examples.ui/src/org/eclipse/debug/examples/ui/midi/adapters/SequencerControlsModelProxy.java
new file mode 100644
index 000000000..ec3439a10
--- /dev/null
+++ b/org.eclipse.debug.examples.ui/src/org/eclipse/debug/examples/ui/midi/adapters/SequencerControlsModelProxy.java
@@ -0,0 +1,71 @@
+/*******************************************************************************
+ * 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.debug.core.DebugEvent;
+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.update.DebugEventHandler;
+import org.eclipse.debug.internal.ui.viewers.update.EventHandlerModelProxy;
+
+/**
+ * Model proxy for a sequencer in the variables view. Listens
+ * to events from controls to update the viewer when the user
+ * changes a control's value.
+ * 
+ * @since 1.0
+ */
+public class SequencerControlsModelProxy extends EventHandlerModelProxy {
+
+	/**
+	 * Associated launch
+	 */
+	private MidiLaunch fLaunch;
+	
+	/**
+	 * Constructs a model proxy to update based on changes in controls
+	 * for the associated sequencer.
+	 * 
+	 * @param launch MIDI launch
+	 */
+	public SequencerControlsModelProxy(MidiLaunch launch) {
+		fLaunch = launch;
+	}
+	
+	/**
+	 * Returns the launch assocaited with this proxy.
+	 * 
+	 * @return MIDI launch
+	 */
+	protected MidiLaunch getMidiLaunch() {
+		return fLaunch;
+	}
+	
+	/* (non-Javadoc)
+	 * @see org.eclipse.debug.internal.ui.viewers.update.EventHandlerModelProxy#createEventHandlers()
+	 */
+	protected DebugEventHandler[] createEventHandlers() {
+		return new DebugEventHandler[]{new ControlEventHandler(this)};
+	}
+
+	/* (non-Javadoc)
+	 * @see org.eclipse.debug.internal.ui.viewers.update.EventHandlerModelProxy#containsEvent(org.eclipse.debug.core.DebugEvent)
+	 */
+	protected boolean containsEvent(DebugEvent event) {
+		if (event.getSource() instanceof SequencerControl) {
+			return ((SequencerControl)event.getSource()).getLaunch().equals(fLaunch);
+		}
+		return false;
+	}
+	
+	
+
+}
diff --git a/org.eclipse.debug.examples.ui/src/org/eclipse/debug/examples/ui/midi/adapters/SequencerModelProxyFactory.java b/org.eclipse.debug.examples.ui/src/org/eclipse/debug/examples/ui/midi/adapters/SequencerModelProxyFactory.java
new file mode 100644
index 000000000..cc6f658e4
--- /dev/null
+++ b/org.eclipse.debug.examples.ui/src/org/eclipse/debug/examples/ui/midi/adapters/SequencerModelProxyFactory.java
@@ -0,0 +1,39 @@
+/*******************************************************************************
+ * 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.debug.examples.core.midi.launcher.MidiLaunch;
+import org.eclipse.debug.internal.ui.viewers.model.provisional.IModelProxy;
+import org.eclipse.debug.internal.ui.viewers.model.provisional.IModelProxyFactory;
+import org.eclipse.debug.internal.ui.viewers.model.provisional.IPresentationContext;
+import org.eclipse.debug.ui.IDebugUIConstants;
+
+/**
+ * Factory to create a model proxy for sequencer controls in 
+ * the variables view.
+ * 
+ * @since 1.0
+ */
+public class SequencerModelProxyFactory implements IModelProxyFactory {
+
+	/* (non-Javadoc)
+	 * @see org.eclipse.debug.internal.ui.viewers.model.provisional.IModelProxyFactory#createModelProxy(java.lang.Object, org.eclipse.debug.internal.ui.viewers.model.provisional.IPresentationContext)
+	 */
+	public IModelProxy createModelProxy(Object element, IPresentationContext context) {
+		if (IDebugUIConstants.ID_VARIABLE_VIEW.equals(context.getId())) {
+			if (element instanceof MidiLaunch) {
+				return new SequencerControlsModelProxy((MidiLaunch)element);
+			}
+		}
+		return null;
+	}
+
+}
diff --git a/org.eclipse.debug.examples.ui/src/org/eclipse/debug/examples/ui/midi/adapters/TrackLabelProvider.java b/org.eclipse.debug.examples.ui/src/org/eclipse/debug/examples/ui/midi/adapters/TrackLabelProvider.java
new file mode 100644
index 000000000..e27d4227b
--- /dev/null
+++ b/org.eclipse.debug.examples.ui/src/org/eclipse/debug/examples/ui/midi/adapters/TrackLabelProvider.java
@@ -0,0 +1,35 @@
+/*******************************************************************************
+ * 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 javax.sound.midi.Track;
+
+import org.eclipse.core.runtime.CoreException;
+import org.eclipse.debug.internal.ui.model.elements.ElementLabelProvider;
+import org.eclipse.debug.internal.ui.viewers.model.provisional.IPresentationContext;
+import org.eclipse.jface.viewers.TreePath;
+
+/**
+ * Provides labels for MIDI tracks.
+ * 
+ * @since 1.0
+ */
+public class TrackLabelProvider extends ElementLabelProvider {
+
+	/* (non-Javadoc)
+	 * @see org.eclipse.debug.internal.ui.model.elements.ElementLabelProvider#getLabel(org.eclipse.jface.viewers.TreePath, org.eclipse.debug.internal.ui.viewers.model.provisional.IPresentationContext, java.lang.String)
+	 */
+	protected String getLabel(TreePath elementPath, IPresentationContext presentationContext, String columnId) throws CoreException {
+		Track track = (Track) elementPath.getLastSegment();
+		return "Track";
+	}
+
+}
diff --git a/org.eclipse.debug.examples.ui/src/org/eclipse/debug/examples/ui/midi/detailpanes/ControlDetailPaneFactory.java b/org.eclipse.debug.examples.ui/src/org/eclipse/debug/examples/ui/midi/detailpanes/ControlDetailPaneFactory.java
new file mode 100644
index 000000000..d258abf7d
--- /dev/null
+++ b/org.eclipse.debug.examples.ui/src/org/eclipse/debug/examples/ui/midi/detailpanes/ControlDetailPaneFactory.java
@@ -0,0 +1,90 @@
+/*******************************************************************************
+ * 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.detailpanes;
+
+import java.util.HashSet;
+import java.util.Set;
+
+import org.eclipse.debug.examples.core.midi.launcher.TempoControl;
+import org.eclipse.debug.ui.IDetailPane;
+import org.eclipse.debug.ui.IDetailPaneFactory;
+import org.eclipse.jface.viewers.IStructuredSelection;
+
+/**
+ * Creates detail panes for sequencer controls.
+ * 
+ * @since 1.0
+ */
+public class ControlDetailPaneFactory implements IDetailPaneFactory {
+	
+	/**
+	 * Identifier for the tempo slider detail pane
+	 */
+	public static final String ID_TEMPO_SLIDER = "TEMPO_SLIDER";
+
+	/* (non-Javadoc)
+	 * @see org.eclipse.debug.ui.IDetailPaneFactory#createDetailPane(java.lang.String)
+	 */
+	public IDetailPane createDetailPane(String paneID) {
+		if (ID_TEMPO_SLIDER.equals(paneID)) {
+			return new TempoSliderDetailPane();
+		}
+		return null;
+	}
+
+	/* (non-Javadoc)
+	 * @see org.eclipse.debug.ui.IDetailPaneFactory#getDefaultDetailPane(org.eclipse.jface.viewers.IStructuredSelection)
+	 */
+	public String getDefaultDetailPane(IStructuredSelection selection) {
+		if (selection.size() == 1) {
+			Object element = selection.getFirstElement();
+			if (element instanceof TempoControl) {
+				return ID_TEMPO_SLIDER;
+			}
+		}
+		return null;
+	}
+
+	/* (non-Javadoc)
+	 * @see org.eclipse.debug.ui.IDetailPaneFactory#getDetailPaneDescription(java.lang.String)
+	 */
+	public String getDetailPaneDescription(String paneID) {
+		if (ID_TEMPO_SLIDER.equals(paneID)) {
+			return "Tempo Slider";
+		}
+		return null;
+	}
+
+	/* (non-Javadoc)
+	 * @see org.eclipse.debug.ui.IDetailPaneFactory#getDetailPaneName(java.lang.String)
+	 */
+	public String getDetailPaneName(String paneID) {
+		if (ID_TEMPO_SLIDER.equals(paneID)) {
+			return "Tempo Slider";
+		}
+		return null;
+	}
+
+	/* (non-Javadoc)
+	 * @see org.eclipse.debug.ui.IDetailPaneFactory#getDetailPaneTypes(org.eclipse.jface.viewers.IStructuredSelection)
+	 */
+	public Set getDetailPaneTypes(IStructuredSelection selection) {
+		Set set = new HashSet();
+		if (selection.size() == 1) {
+			Object element = selection.getFirstElement();
+			if (element instanceof TempoControl) {
+				set.add(ID_TEMPO_SLIDER);
+			}
+		}
+		return set;
+	}
+
+}
diff --git a/org.eclipse.debug.examples.ui/src/org/eclipse/debug/examples/ui/midi/detailpanes/TempoSliderDetailPane.java b/org.eclipse.debug.examples.ui/src/org/eclipse/debug/examples/ui/midi/detailpanes/TempoSliderDetailPane.java
new file mode 100644
index 000000000..d5e1c7bb7
--- /dev/null
+++ b/org.eclipse.debug.examples.ui/src/org/eclipse/debug/examples/ui/midi/detailpanes/TempoSliderDetailPane.java
@@ -0,0 +1,108 @@
+/*******************************************************************************
+ * 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.detailpanes;
+
+import org.eclipse.debug.examples.core.midi.launcher.TempoControl;
+import org.eclipse.debug.ui.IDetailPane;
+import org.eclipse.jface.viewers.IStructuredSelection;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.events.SelectionAdapter;
+import org.eclipse.swt.events.SelectionEvent;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Control;
+import org.eclipse.swt.widgets.Slider;
+import org.eclipse.ui.IWorkbenchPartSite;
+
+/**
+ * A slider to control tempo.
+ * 
+ * @since 1.0
+ */
+public class TempoSliderDetailPane implements IDetailPane {
+	
+	private Slider fSlider;
+	private TempoControl fControl;
+
+	/* (non-Javadoc)
+	 * @see org.eclipse.debug.ui.IDetailPane#createControl(org.eclipse.swt.widgets.Composite)
+	 */
+	public Control createControl(Composite parent) {
+		fSlider = new Slider(parent, SWT.HORIZONTAL);
+		fSlider.setMinimum(20);
+		fSlider.setMaximum(500);
+		fSlider.addSelectionListener(new SelectionAdapter(){
+			public void widgetSelected(SelectionEvent e) {
+				int selection = fSlider.getSelection();
+				if (fControl != null) {
+					fControl.setValue(Integer.toString(selection));
+				}
+			}
+		});
+		return fSlider;
+	}
+
+	/* (non-Javadoc)
+	 * @see org.eclipse.debug.ui.IDetailPane#display(org.eclipse.jface.viewers.IStructuredSelection)
+	 */
+	public void display(IStructuredSelection selection) {
+		fControl = null;
+		if (selection == null || selection.isEmpty()) {
+			fSlider.setEnabled(false);
+		} else {
+			fSlider.setEnabled(true);
+			fControl = (TempoControl) selection.getFirstElement();
+			int bpm = (int)fControl.getSequencer().getTempoInBPM();
+			fSlider.setSelection(bpm);
+		}
+	}
+
+	/* (non-Javadoc)
+	 * @see org.eclipse.debug.ui.IDetailPane#dispose()
+	 */
+	public void dispose() {
+	}
+
+	/* (non-Javadoc)
+	 * @see org.eclipse.debug.ui.IDetailPane#getDescription()
+	 */
+	public String getDescription() {
+		return "Tempo (beats per minute)";
+	}
+
+	/* (non-Javadoc)
+	 * @see org.eclipse.debug.ui.IDetailPane#getID()
+	 */
+	public String getID() {
+		return ControlDetailPaneFactory.ID_TEMPO_SLIDER;
+	}
+
+	/* (non-Javadoc)
+	 * @see org.eclipse.debug.ui.IDetailPane#getName()
+	 */
+	public String getName() {
+		return "Tempo Slider (BPM)";
+	}
+
+	/* (non-Javadoc)
+	 * @see org.eclipse.debug.ui.IDetailPane#init(org.eclipse.ui.IWorkbenchPartSite)
+	 */
+	public void init(IWorkbenchPartSite partSite) {
+	}
+
+	/* (non-Javadoc)
+	 * @see org.eclipse.debug.ui.IDetailPane#setFocus()
+	 */
+	public boolean setFocus() {
+		fSlider.setFocus();
+		return true;
+	}
+
+}
diff --git a/org.eclipse.debug.examples.ui/src/org/eclipse/debug/examples/ui/midi/launcher/MidiMainTab.java b/org.eclipse.debug.examples.ui/src/org/eclipse/debug/examples/ui/midi/launcher/MidiMainTab.java
new file mode 100644
index 000000000..80dff6a7b
--- /dev/null
+++ b/org.eclipse.debug.examples.ui/src/org/eclipse/debug/examples/ui/midi/launcher/MidiMainTab.java
@@ -0,0 +1,168 @@
+/*******************************************************************************
+ * 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.launcher;
+
+
+import org.eclipse.core.resources.IFile;
+import org.eclipse.core.resources.IResource;
+import org.eclipse.core.resources.ResourcesPlugin;
+import org.eclipse.core.runtime.CoreException;
+import org.eclipse.core.runtime.IPath;
+import org.eclipse.core.runtime.Path;
+import org.eclipse.debug.core.ILaunchConfiguration;
+import org.eclipse.debug.core.ILaunchConfigurationWorkingCopy;
+import org.eclipse.debug.examples.core.midi.launcher.MidiLaunchDelegate;
+import org.eclipse.debug.examples.ui.pda.DebugUIPlugin;
+import org.eclipse.debug.ui.AbstractLaunchConfigurationTab;
+import org.eclipse.jface.window.Window;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.events.ModifyEvent;
+import org.eclipse.swt.events.ModifyListener;
+import org.eclipse.swt.events.SelectionAdapter;
+import org.eclipse.swt.events.SelectionEvent;
+import org.eclipse.swt.graphics.Font;
+import org.eclipse.swt.graphics.Image;
+import org.eclipse.swt.layout.GridData;
+import org.eclipse.swt.layout.GridLayout;
+import org.eclipse.swt.widgets.Button;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Label;
+import org.eclipse.swt.widgets.Text;
+import org.eclipse.ui.dialogs.ResourceListSelectionDialog;
+
+
+/**
+ * Tab to specify the MIDI file to play.
+ * 
+ * @since 1.0
+ */
+public class MidiMainTab extends AbstractLaunchConfigurationTab {
+	
+	private Text fFileText;
+	private Button fFileButton;
+	
+	/* (non-Javadoc)
+	 * @see org.eclipse.debug.ui.ILaunchConfigurationTab#createControl(org.eclipse.swt.widgets.Composite)
+	 */
+	public void createControl(Composite parent) {
+		Font font = parent.getFont();
+		
+		Composite comp = new Composite(parent, SWT.NONE);
+		setControl(comp);
+		GridLayout topLayout = new GridLayout();
+		topLayout.verticalSpacing = 0;
+		topLayout.numColumns = 3;
+		comp.setLayout(topLayout);
+		comp.setFont(font);
+		
+		createVerticalSpacer(comp, 3);
+		
+		Label programLabel = new Label(comp, SWT.NONE);
+		programLabel.setText("&Midi File:");
+		GridData gd = new GridData(GridData.BEGINNING);
+		programLabel.setLayoutData(gd);
+		programLabel.setFont(font);
+		
+		fFileText = new Text(comp, SWT.SINGLE | SWT.BORDER);
+		gd = new GridData(GridData.FILL_HORIZONTAL);
+		fFileText.setLayoutData(gd);
+		fFileText.setFont(font);
+		fFileText.addModifyListener(new ModifyListener() {
+			public void modifyText(ModifyEvent e) {
+				updateLaunchConfigurationDialog();
+			}
+		});
+		
+		fFileButton = createPushButton(comp, "&Browse...", null); //$NON-NLS-1$
+		fFileButton.addSelectionListener(new SelectionAdapter() {
+			public void widgetSelected(SelectionEvent e) {
+				browseMidiFiles();
+			}
+		});
+	}
+	
+	/**
+	 * Open a resource chooser to select a MIDI file
+	 */
+	protected void browseMidiFiles() {
+		ResourceListSelectionDialog dialog = new ResourceListSelectionDialog(getShell(), ResourcesPlugin.getWorkspace().getRoot(), IResource.FILE);
+		dialog.setTitle("MIDI File");
+		dialog.setMessage("Select MIDI File");
+		if (dialog.open() == Window.OK) {
+			Object[] files = dialog.getResult();
+			IFile file = (IFile) files[0];
+			fFileText.setText(file.getFullPath().toString());
+		}
+		
+	}
+	/* (non-Javadoc)
+	 * @see org.eclipse.debug.ui.ILaunchConfigurationTab#setDefaults(org.eclipse.debug.core.ILaunchConfigurationWorkingCopy)
+	 */
+	public void setDefaults(ILaunchConfigurationWorkingCopy configuration) {
+	}
+	/* (non-Javadoc)
+	 * @see org.eclipse.debug.ui.ILaunchConfigurationTab#initializeFrom(org.eclipse.debug.core.ILaunchConfiguration)
+	 */
+	public void initializeFrom(ILaunchConfiguration configuration) {
+		try {
+			String file = null;
+			file = configuration.getAttribute(MidiLaunchDelegate.ATTR_MIDI_FILE, (String)null);
+			if (file != null) {
+				fFileText.setText(file);
+			}
+		} catch (CoreException e) {
+			setErrorMessage(e.getMessage());
+		}
+	}
+	/* (non-Javadoc)
+	 * @see org.eclipse.debug.ui.ILaunchConfigurationTab#performApply(org.eclipse.debug.core.ILaunchConfigurationWorkingCopy)
+	 */
+	public void performApply(ILaunchConfigurationWorkingCopy configuration) {
+		String file = fFileText.getText().trim();
+		if (file.length() == 0) {
+			file = null;
+		}
+		configuration.setAttribute(MidiLaunchDelegate.ATTR_MIDI_FILE, file);
+	}
+	
+	/* (non-Javadoc)
+	 * @see org.eclipse.debug.ui.ILaunchConfigurationTab#getName()
+	 */
+	public String getName() {
+		return "Main";
+	}
+	
+	/* (non-Javadoc)
+	 * @see org.eclipse.debug.ui.ILaunchConfigurationTab#isValid(org.eclipse.debug.core.ILaunchConfiguration)
+	 */
+	public boolean isValid(ILaunchConfiguration launchConfig) {
+		setErrorMessage(null);
+		setMessage(null);
+		String text = fFileText.getText();
+		if (text.length() > 0) {
+			IPath path = new Path(text);
+			if (ResourcesPlugin.getWorkspace().getRoot().findMember(path) == null) {
+				setErrorMessage("File does not exist");
+				return false;
+			}
+		} else {
+			setMessage("Select a MIDI file");
+		}
+		return true;
+	}
+
+	/* (non-Javadoc)
+	 * @see org.eclipse.debug.ui.ILaunchConfigurationTab#getImage()
+	 */
+	public Image getImage() {
+		return DebugUIPlugin.getDefault().getImageRegistry().get(DebugUIPlugin.IMG_OBJ_MIDI);
+	}
+}
diff --git a/org.eclipse.debug.examples.ui/src/org/eclipse/debug/examples/ui/midi/launcher/MidiTabGroup.java b/org.eclipse.debug.examples.ui/src/org/eclipse/debug/examples/ui/midi/launcher/MidiTabGroup.java
new file mode 100644
index 000000000..52e8b9dbd
--- /dev/null
+++ b/org.eclipse.debug.examples.ui/src/org/eclipse/debug/examples/ui/midi/launcher/MidiTabGroup.java
@@ -0,0 +1,33 @@
+/*******************************************************************************
+ * 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.launcher;
+
+import org.eclipse.debug.ui.AbstractLaunchConfigurationTabGroup;
+import org.eclipse.debug.ui.CommonTab;
+import org.eclipse.debug.ui.ILaunchConfigurationDialog;
+import org.eclipse.debug.ui.ILaunchConfigurationTab;
+
+/**
+ * Tab group for a MIDI file.
+ * 
+ * @since 1.0
+ */
+public class MidiTabGroup extends AbstractLaunchConfigurationTabGroup {
+	/* (non-Javadoc)
+	 * @see org.eclipse.debug.ui.ILaunchConfigurationTabGroup#createTabs(org.eclipse.debug.ui.ILaunchConfigurationDialog, java.lang.String)
+	 */
+	public void createTabs(ILaunchConfigurationDialog dialog, String mode) {
+		setTabs(new ILaunchConfigurationTab[] {
+				new MidiMainTab(),
+				new CommonTab()
+		});
+	}
+}
diff --git a/org.eclipse.debug.examples.ui/src/org/eclipse/debug/examples/ui/pda/DebugUIPlugin.java b/org.eclipse.debug.examples.ui/src/org/eclipse/debug/examples/ui/pda/DebugUIPlugin.java
index 9202d2d93..743b82ffd 100644
--- a/org.eclipse.debug.examples.ui/src/org/eclipse/debug/examples/ui/pda/DebugUIPlugin.java
+++ b/org.eclipse.debug.examples.ui/src/org/eclipse/debug/examples/ui/pda/DebugUIPlugin.java
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2005, 2007 IBM Corporation and others.
+ * Copyright (c) 2005, 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
@@ -60,6 +60,11 @@ public class DebugUIPlugin extends AbstractUIPlugin {
     public final static String IMG_OBJ_PDA = "IMB_OBJ_PDA";
     
     /**
+     * MIDI file image
+     */
+    public final static String IMG_OBJ_MIDI = "IMB_OBJ_MIDI";    
+    
+    /**
      * Keyword color
      */
     public final static RGB KEYWORD = new RGB(0,0,255);
@@ -142,6 +147,7 @@ public class DebugUIPlugin extends AbstractUIPlugin {
 	 */
 	protected void initializeImageRegistry(ImageRegistry reg) {
 		declareImage(IMG_OBJ_PDA, PATH_OBJECT + "pda.gif");
+		declareImage(IMG_OBJ_MIDI, PATH_OBJECT + "note.gif");
 	    declareImage(IMG_ELCL_POP, PATH_ELOCALTOOL + "pop.gif");
 	    declareImage(IMG_DLCL_POP, PATH_DLOCALTOOL + "pop.gif");
 	    declareImage(IMG_ELCL_PUSH, PATH_ELOCALTOOL + "push.gif");