1 files changed, 112 insertions, 0 deletions
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});
+	} 	
+}