From 88dfb5dba0d7c64fdf4dddb88c36cfffa0e088f3 Mon Sep 17 00:00:00 2001
From: Darin Wright
Date: Wed, 27 Feb 2008 05:00:44 +0000
Subject: extra columns

---
 .../ui/midi/adapters/MidiEventLabelProvider.java   | 26 ++++++++++++++++------
 .../ui/midi/adapters/TrackColumnPresentation.java  | 23 ++++++++++++++-----
 .../ui/midi/adapters/TrackLabelProvider.java       |  8 ++++++-
 3 files changed, 44 insertions(+), 13 deletions(-)

(limited to 'org.eclipse.debug.examples.ui/src/org/eclipse')

diff --git a/org.eclipse.debug.examples.ui/src/org/eclipse/debug/examples/ui/midi/adapters/MidiEventLabelProvider.java b/org.eclipse.debug.examples.ui/src/org/eclipse/debug/examples/ui/midi/adapters/MidiEventLabelProvider.java
index 955b12846..b357c67b7 100644
--- a/org.eclipse.debug.examples.ui/src/org/eclipse/debug/examples/ui/midi/adapters/MidiEventLabelProvider.java
+++ b/org.eclipse.debug.examples.ui/src/org/eclipse/debug/examples/ui/midi/adapters/MidiEventLabelProvider.java
@@ -11,6 +11,8 @@
 package org.eclipse.debug.examples.ui.midi.adapters;
 
 import javax.sound.midi.MidiEvent;
+import javax.sound.midi.MidiMessage;
+import javax.sound.midi.ShortMessage;
 
 import org.eclipse.core.runtime.CoreException;
 import org.eclipse.debug.internal.ui.model.elements.ElementLabelProvider;
@@ -29,18 +31,28 @@ public class MidiEventLabelProvider extends ElementLabelProvider {
 	 */
 	protected String getLabel(TreePath elementPath, IPresentationContext presentationContext, String columnId) throws CoreException {
 		MidiEvent event = (MidiEvent) elementPath.getLastSegment();
+		MidiMessage message = event.getMessage();
 		if (TrackColumnPresentation.COL_TICK.equals(columnId)) {
 			return Long.toString(event.getTick());
-		} else if (TrackColumnPresentation.COL_MESSAGE.equals(columnId)) {
-			byte[] bytes = event.getMessage().getMessage();
+		} else if (TrackColumnPresentation.COL_BYTES.equals(columnId)) {
+			byte[] bytes = message.getMessage();
 			StringBuffer buffer = new StringBuffer();
-			int status = event.getMessage().getStatus();
-			appendByte(buffer, status);
-			for (int i = 1; i < bytes.length; i++) {
+			for (int i = 0; i < message.getLength(); i++) {
 				buffer.append(' ');
 				appendByte(buffer, bytes[i]);
 			}
 			return buffer.toString();
+		} else if (TrackColumnPresentation.COL_COMMAND.equals(columnId)) {
+			if (message instanceof ShortMessage) {
+				ShortMessage sm = (ShortMessage) message;
+				StringBuffer buf = new StringBuffer();
+				appendByte(buf, (byte)sm.getCommand());
+				return buf.toString();
+			}
+		} else if (TrackColumnPresentation.COL_CHANNEL.equals(columnId)) {
+			if (message instanceof ShortMessage) {
+				return Integer.toString(((ShortMessage)message).getChannel());
+			}
 		}
 		return "";
 	}
@@ -51,8 +63,8 @@ public class MidiEventLabelProvider extends ElementLabelProvider {
 	 * @param buffer
 	 * @param b
 	 */
-	private void appendByte(StringBuffer buffer, int b) { 
-		String hex = Integer.toHexString(b).toUpperCase();
+	private void appendByte(StringBuffer buffer, byte b) { 
+		String hex = Integer.toHexString(b & 0xFF).toUpperCase();
 		for (int i = hex.length(); i < 2; i++) {
 			buffer.append('0');
 		}
diff --git a/org.eclipse.debug.examples.ui/src/org/eclipse/debug/examples/ui/midi/adapters/TrackColumnPresentation.java b/org.eclipse.debug.examples.ui/src/org/eclipse/debug/examples/ui/midi/adapters/TrackColumnPresentation.java
index c09337169..05713db26 100644
--- a/org.eclipse.debug.examples.ui/src/org/eclipse/debug/examples/ui/midi/adapters/TrackColumnPresentation.java
+++ b/org.eclipse.debug.examples.ui/src/org/eclipse/debug/examples/ui/midi/adapters/TrackColumnPresentation.java
@@ -23,12 +23,19 @@ public class TrackColumnPresentation extends AbstractColumnPresentation {
 	 * Column identifiers
 	 */
 	public static final String COL_TICK = "TICK";
-	public static final String COL_MESSAGE = "MESSAGE";
+	public static final String COL_BYTES = "BYTES";
+	public static final String COL_COMMAND = "COMMAND";
+	public static final String COL_CHANNEL = "CHANNEL";
 
 	/**
 	 * All columns
 	 */
-	public static final String[] COLUMN_IDS = new String[]{COL_TICK, COL_MESSAGE};
+	public static final String[] COLUMN_IDS = new String[]{COL_TICK, COL_BYTES, COL_COMMAND, COL_CHANNEL};
+	
+	/**
+	 * Initial columns
+	 */
+	public static final String[] COLUMN_INITIAL = new String[]{COL_TICK, COL_BYTES};
 
 	/**
 	 * Column presentation ID.
@@ -49,8 +56,14 @@ public class TrackColumnPresentation extends AbstractColumnPresentation {
 		if (COL_TICK.equals(id)) {
 			return "Tick";
 		}
-		if (COL_MESSAGE.equals(id)) {
-			return "Message";
+		if (COL_BYTES.equals(id)) {
+			return "Bytes";
+		}
+		if (COL_CHANNEL.equals(id)) {
+			return "Channel";
+		}
+		if (COL_COMMAND.equals(id)) {
+			return "Command";
 		}
 		return "";
 	}
@@ -66,7 +79,7 @@ public class TrackColumnPresentation extends AbstractColumnPresentation {
 	 * @see org.eclipse.debug.internal.ui.viewers.model.provisional.IColumnPresentation#getInitialColumns()
 	 */
 	public String[] getInitialColumns() {
-		return COLUMN_IDS;
+		return COLUMN_INITIAL;
 	}
 
 	/* (non-Javadoc)
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
index eb48c3494..fa8f891fb 100644
--- 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
@@ -38,7 +38,13 @@ public class TrackLabelProvider extends ElementLabelProvider {
 				break;
 			}
 		}
-		return "Track " + i;
+		StringBuffer buf = new StringBuffer();
+		buf.append("Track ");
+		buf.append(i);
+		buf.append(" [");
+		buf.append(track.size());
+		buf.append(" events]");
+		return buf.toString();
 	}
 
 }
-- 
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