clock slider/control

4 files changed, 149 insertions, 29 deletions

diff --git a/org.eclipse.debug.examples.core/src/org/eclipse/debug/examples/core/midi/launcher/ClockControl.java b/org.eclipse.debug.examples.core/src/org/eclipse/debug/examples/core/midi/launcher/ClockControl.java
new file mode 100644
index 000000000..639f1acf5
--- /dev/null
+++ b/org.eclipse.debug.examples.core/src/org/eclipse/debug/examples/core/midi/launcher/ClockControl.java
@@ -0,0 +1,93 @@
+/*******************************************************************************
+ * 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 location of the sequencer in microseconds.
+ * 
+ * @since 1.0
+ */
+public class ClockControl extends TimeControl {
+
+	/**
+	 * @param launch
+	 */
+	public ClockControl(MidiLaunch launch) {
+		super("Time" , launch);
+	}
+		
+	/* (non-Javadoc)
+	 * @see org.eclipse.debug.examples.core.midi.launcher.TimeControl#getTimeValue()
+	 */
+	protected long getTimeValue() {
+		return getSequencer().getMicrosecondPosition();
+	}
+
+	/* (non-Javadoc)
+	 * @see org.eclipse.debug.examples.core.midi.launcher.SequencerControl#isEditable()
+	 */
+	public boolean isEditable() {
+		return true;
+	}
+
+	/* (non-Javadoc)
+	 * @see org.eclipse.debug.examples.core.midi.launcher.SequencerControl#setValue(java.lang.String)
+	 */
+	public IStatus setValue(String newValue) {
+		try {
+			long value = getLong(newValue);
+			getSequencer().setMicrosecondPosition(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 {
+			getLong(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 long getLong(String value) throws CoreException {
+		try {
+			if (value.indexOf(':') == -1) {
+				long secs = Long.parseLong(value);
+				return secs * 1000000;
+			}
+		} catch (NumberFormatException e) {
+			throw new CoreException(new Status(IStatus.ERROR, DebugCorePlugin.PLUGIN_ID, "Time must be an integer (seconds) or 00:00 (minutes:seconds) format", e));
+		}
+		return 0L;
+	}
+	
+
+}
diff --git a/org.eclipse.debug.examples.core/src/org/eclipse/debug/examples/core/midi/launcher/LengthControl.java b/org.eclipse.debug.examples.core/src/org/eclipse/debug/examples/core/midi/launcher/LengthControl.java
new file mode 100644
index 000000000..3a754c91a
--- /dev/null
+++ b/org.eclipse.debug.examples.core/src/org/eclipse/debug/examples/core/midi/launcher/LengthControl.java
@@ -0,0 +1,36 @@
+/*******************************************************************************
+ * 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;
+
+
+/**
+ * Describes the length of the sequence in microseconds.
+ * 
+ * @since 1.0
+ */
+public class LengthControl extends TimeControl {
+
+	/**
+	 * @param launch
+	 */
+	public LengthControl(MidiLaunch launch) {
+		super("Duration" , launch);
+	}
+
+	/* (non-Javadoc)
+	 * @see org.eclipse.debug.examples.core.midi.launcher.TimeControl#getTimeValue()
+	 */
+	protected long getTimeValue() {
+		return getSequencer().getMicrosecondLength();
+	}
+
+
+}
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
index fcc56c97c..3274582cc 100644
--- 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
@@ -114,9 +114,11 @@ public abstract class SequencerControl {
 	 * @see java.lang.Object#equals(java.lang.Object)
 	 */
 	public boolean equals(Object obj) {
-		if (obj.getClass().equals(getClass())) {
-			return ((SequencerControl)obj).getSequencer().equals(getSequencer());
-			
+		if (obj != null) {
+			if (getClass().equals(obj.getClass())) {
+				return ((SequencerControl)obj).getSequencer().equals(getSequencer());
+				
+			}
 		}
 		return false;
 	}
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
index 19200ba0e..93aa54df4 100644
--- 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
@@ -10,46 +10,31 @@
  *******************************************************************************/
 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.
+ * Displays a time value based on underlying microsecond value
  * 
  * @since 1.0
  */
-public class TimeControl extends SequencerControl {
+public abstract class TimeControl extends SequencerControl {
 
 	/**
+	 * Constructs a time control with the given name for the
+	 * given launch.
+	 * 
 	 * @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));
-		}
+	public TimeControl(String name, MidiLaunch launch) {
+		super(name, launch);
 	}
 	
 	/* (non-Javadoc)
 	 * @see org.eclipse.debug.examples.core.midi.launcher.SequencerControl#getValue()
 	 */
 	public String getValue() {
-		long position = getSequencer().getMicrosecondPosition();
+		long position = getTimeValue();
 		int milli = (int) (position & 0x3F);
 		int sec = (int) (position / 1000000);
 		int min = sec / 60;
@@ -71,12 +56,18 @@ public class TimeControl extends SequencerControl {
 		}
 		return clock.toString();
 	}
+	
+	/**
+	 * Provided by subclasses for the control.
+	 * 
+	 * @return time in microseconds
+	 */
+	protected abstract long getTimeValue();
 
 	/* (non-Javadoc)
 	 * @see org.eclipse.debug.examples.core.midi.launcher.SequencerControl#isEditable()
 	 */
 	public boolean isEditable() {
-		// TODO Auto-generated method stub
 		return false;
 	}
 
@@ -84,7 +75,6 @@ public class TimeControl extends SequencerControl {
 	 * @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;
 	}
 
@@ -92,7 +82,6 @@ public class TimeControl extends SequencerControl {
 	 * @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;
 	}