First commit of an example visualizer, which displays a count of problem markers.

visualizer/org.eclipse.cdt.visualizer.examples/.classpath

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.6"/>
+	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
+	<classpathentry kind="src" path="src"/>
+	<classpathentry kind="output" path="bin"/>
+</classpath>

visualizer/org.eclipse.cdt.visualizer.examples/.project

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+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>org.eclipse.cdt.visualizer.examples</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.jdt.core.javabuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.pde.ManifestBuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.pde.SchemaBuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.pde.PluginNature</nature>
+		<nature>org.eclipse.jdt.core.javanature</nature>
+	</natures>
+</projectDescription>

visualizer/org.eclipse.cdt.visualizer.examples/.settings/org.eclipse.jdt.core.prefs

@@ -0,0 +1,70 @@
+#Tue Jun 24 11:04:56 PDT 2008
+eclipse.preferences.version=1
+org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.6
+org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
+org.eclipse.jdt.core.compiler.compliance=1.6
+org.eclipse.jdt.core.compiler.debug.lineNumber=generate
+org.eclipse.jdt.core.compiler.debug.localVariable=generate
+org.eclipse.jdt.core.compiler.debug.sourceFile=generate
+org.eclipse.jdt.core.compiler.problem.annotationSuperInterface=warning
+org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
+org.eclipse.jdt.core.compiler.problem.autoboxing=ignore
+org.eclipse.jdt.core.compiler.problem.deprecation=warning
+org.eclipse.jdt.core.compiler.problem.deprecationInDeprecatedCode=disabled
+org.eclipse.jdt.core.compiler.problem.deprecationWhenOverridingDeprecatedMethod=disabled
+org.eclipse.jdt.core.compiler.problem.discouragedReference=warning
+org.eclipse.jdt.core.compiler.problem.emptyStatement=ignore
+org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
+org.eclipse.jdt.core.compiler.problem.fallthroughCase=warning
+org.eclipse.jdt.core.compiler.problem.fatalOptionalError=enabled
+org.eclipse.jdt.core.compiler.problem.fieldHiding=warning
+org.eclipse.jdt.core.compiler.problem.finalParameterBound=warning
+org.eclipse.jdt.core.compiler.problem.finallyBlockNotCompletingNormally=warning
+org.eclipse.jdt.core.compiler.problem.forbiddenReference=warning
+org.eclipse.jdt.core.compiler.problem.hiddenCatchBlock=warning
+org.eclipse.jdt.core.compiler.problem.incompatibleNonInheritedInterfaceMethod=warning
+org.eclipse.jdt.core.compiler.problem.incompleteEnumSwitch=ignore
+org.eclipse.jdt.core.compiler.problem.indirectStaticAccess=ignore
+org.eclipse.jdt.core.compiler.problem.localVariableHiding=ignore
+org.eclipse.jdt.core.compiler.problem.methodWithConstructorName=warning
+org.eclipse.jdt.core.compiler.problem.missingDeprecatedAnnotation=warning
+org.eclipse.jdt.core.compiler.problem.missingOverrideAnnotation=warning
+org.eclipse.jdt.core.compiler.problem.missingSerialVersion=warning
+org.eclipse.jdt.core.compiler.problem.noEffectAssignment=warning
+org.eclipse.jdt.core.compiler.problem.noImplicitStringConversion=warning
+org.eclipse.jdt.core.compiler.problem.nonExternalizedStringLiteral=warning
+org.eclipse.jdt.core.compiler.problem.nullReference=error
+org.eclipse.jdt.core.compiler.problem.overridingPackageDefaultMethod=warning
+org.eclipse.jdt.core.compiler.problem.parameterAssignment=ignore
+org.eclipse.jdt.core.compiler.problem.possibleAccidentalBooleanAssignment=warning
+org.eclipse.jdt.core.compiler.problem.potentialNullReference=warning
+org.eclipse.jdt.core.compiler.problem.rawTypeReference=warning
+org.eclipse.jdt.core.compiler.problem.redundantNullCheck=ignore
+org.eclipse.jdt.core.compiler.problem.redundantSuperinterface=ignore
+org.eclipse.jdt.core.compiler.problem.specialParameterHidingField=disabled
+org.eclipse.jdt.core.compiler.problem.staticAccessReceiver=warning
+org.eclipse.jdt.core.compiler.problem.suppressWarnings=enabled
+org.eclipse.jdt.core.compiler.problem.syntheticAccessEmulation=ignore
+org.eclipse.jdt.core.compiler.problem.typeParameterHiding=warning
+org.eclipse.jdt.core.compiler.problem.uncheckedTypeOperation=warning
+org.eclipse.jdt.core.compiler.problem.undocumentedEmptyBlock=ignore
+org.eclipse.jdt.core.compiler.problem.unhandledWarningToken=warning
+org.eclipse.jdt.core.compiler.problem.unnecessaryElse=ignore
+org.eclipse.jdt.core.compiler.problem.unnecessaryTypeCheck=warning
+org.eclipse.jdt.core.compiler.problem.unqualifiedFieldAccess=ignore
+org.eclipse.jdt.core.compiler.problem.unusedDeclaredThrownException=ignore
+org.eclipse.jdt.core.compiler.problem.unusedDeclaredThrownExceptionExemptExceptionAndThrowable=enabled
+org.eclipse.jdt.core.compiler.problem.unusedDeclaredThrownExceptionIncludeDocCommentReference=enabled
+org.eclipse.jdt.core.compiler.problem.unusedDeclaredThrownExceptionWhenOverriding=disabled
+org.eclipse.jdt.core.compiler.problem.unusedImport=error
+org.eclipse.jdt.core.compiler.problem.unusedLabel=warning
+org.eclipse.jdt.core.compiler.problem.unusedLocal=warning
+org.eclipse.jdt.core.compiler.problem.unusedParameter=ignore
+org.eclipse.jdt.core.compiler.problem.unusedParameterIncludeDocCommentReference=enabled
+org.eclipse.jdt.core.compiler.problem.unusedParameterWhenImplementingAbstract=disabled
+org.eclipse.jdt.core.compiler.problem.unusedParameterWhenOverridingConcrete=disabled
+org.eclipse.jdt.core.compiler.problem.unusedPrivateMember=warning
+org.eclipse.jdt.core.compiler.problem.unusedWarningToken=warning
+org.eclipse.jdt.core.compiler.problem.varargsArgumentNeedCast=warning
+org.eclipse.jdt.core.compiler.source=1.6

visualizer/org.eclipse.cdt.visualizer.examples/META-INF/MANIFEST.MF

@@ -0,0 +1,13 @@
+Manifest-Version: 1.0
+Bundle-ManifestVersion: 2
+Bundle-Name: %plugin.name
+Bundle-SymbolicName: org.eclipse.cdt.visualizer.examples;singleton:=true
+Bundle-Version: 1.0.0.qualifier
+Bundle-Activator: org.eclipse.cdt.visualizer.examples.VisualizerExamplesPlugin
+Bundle-Vendor: %provider.name
+Require-Bundle: org.eclipse.ui,
+ org.eclipse.core.runtime,
+ org.eclipse.cdt.visualizer.ui,
+ org.eclipse.core.resources
+Bundle-RequiredExecutionEnvironment: JavaSE-1.6
+Bundle-ActivationPolicy: lazy

visualizer/org.eclipse.cdt.visualizer.examples/build.properties

@@ -0,0 +1,5 @@
+source.. = src/
+output.. = bin/
+bin.includes = META-INF/,\
+               .,\
+               plugin.xml

visualizer/org.eclipse.cdt.visualizer.examples/plugin.properties

@@ -0,0 +1,18 @@
+# =============================================================================
+# Copyright (c) 2012 Ericsson 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:
+#     Marc Khouzam (Ericsson) - initial API and implementation
+# =============================================================================
+
+# -----------------------------------------------------------------------------
+# Plugin string resources
+# -----------------------------------------------------------------------------
+
+plugin.name=CDT Visualizer Examples
+provider.name=Eclipse CDT
+

visualizer/org.eclipse.cdt.visualizer.examples/plugin.xml

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<?eclipse version="3.4"?>
+<plugin>
+   <extension
+         point="org.eclipse.cdt.visualizer.ui.visualizer">
+      <visualizer
+            class="org.eclipse.cdt.visualizer.examples.ProblemVisualizer"
+            id="org.eclipse.cdt.visualizer.examples.counterVisualizer">
+      </visualizer>
+   </extension>
+
+</plugin>

visualizer/org.eclipse.cdt.visualizer.examples/src/org/eclipse/cdt/visualizer/examples/Messages.java

@@ -0,0 +1,32 @@
+/*******************************************************************************
+ * Copyright (c) 2009, 2011 Ericsson 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:
+ *     Ericsson - initial API and implementation
+ *     Jens Elmenthaler (Verigy) - Added Full GDB pretty-printing support (bug 302121)
+ *******************************************************************************/
+package org.eclipse.cdt.visualizer.examples;
+
+import org.eclipse.osgi.util.NLS;
+
+/**
+ * Preference strings.
+ */
+class Messages extends NLS {
+	public static String CounterVisualizer_Name;
+	public static String CounterVisualizer_DisplayName;
+	public static String CounterVisualizer_Description;
+
+
+	static {
+		// initialize resource bundle
+		NLS.initializeMessages(Messages.class.getName(), Messages.class);
+	}
+
+	private Messages() {
+	}
+}

visualizer/org.eclipse.cdt.visualizer.examples/src/org/eclipse/cdt/visualizer/examples/Messages.properties

@@ -0,0 +1,14 @@
+###############################################################################
+# Copyright (c) 2012 Ericsson 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:
+#   Marc Khouzam (Ericsson) - initial API and implementation
+###############################################################################
+
+CounterVisualizer_Name=counter
+CounterVisualizer_DisplayName=Counter Visualizer
+CounterVisualizer_Description=Visualizer displaying the count of errors/warnings/info

visualizer/org.eclipse.cdt.visualizer.examples/src/org/eclipse/cdt/visualizer/examples/ProblemVisualizer.java

@@ -0,0 +1,212 @@
+/*******************************************************************************
+ * Copyright (c) 2012 Tilera 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:
+ *     Marc Khouzam (Ericsson) - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.cdt.visualizer.examples;
+
+import org.eclipse.cdt.visualizer.ui.canvas.GraphicCanvas;
+import org.eclipse.cdt.visualizer.ui.canvas.GraphicCanvasVisualizer;
+import org.eclipse.cdt.visualizer.ui.canvas.GraphicObject;
+import org.eclipse.cdt.visualizer.ui.util.Colors;
+import org.eclipse.cdt.visualizer.ui.util.SelectionManager;
+import org.eclipse.cdt.visualizer.ui.util.SelectionUtils;
+import org.eclipse.core.resources.IMarker;
+import org.eclipse.core.resources.IResource;
+import org.eclipse.core.runtime.CoreException;
+import org.eclipse.jface.viewers.ISelection;
+import org.eclipse.swt.graphics.Color;
+import org.eclipse.swt.graphics.GC;
+import org.eclipse.swt.graphics.Rectangle;
+import org.eclipse.swt.widgets.Composite;
+
+public class ProblemVisualizer extends GraphicCanvasVisualizer {
+
+	private static final int MARGIN_WIDTH = 10;
+	private static final int MARGIN_HEIGHT = 10;
+	private static final int SPACING_HEIGHT = 40;
+	private static final int NUM_SEVERITY = 3;
+
+	private class BarGraphicObject extends GraphicObject {
+		public BarGraphicObject(int severity, int x, int y, int w, int h) {
+			super(x, y, w, h);
+			
+			Color color = Colors.BLACK;
+			
+			switch (severity) {
+			case IMarker.SEVERITY_ERROR:
+				color = Colors.DARK_RED;
+				break;
+			case IMarker.SEVERITY_WARNING:
+				color = Colors.DARK_YELLOW;
+				break;
+			case IMarker.SEVERITY_INFO:
+				color = Colors.DARK_BLUE;
+				break;
+			}
+			setBackground(color);
+			setForeground(color);
+		}
+		
+		@Override
+		public void paintContent(GC gc) {
+			gc.fillRectangle(m_bounds);
+		}
+	}
+	
+	
+	private GraphicCanvas m_canvas;
+	
+	private int[] m_markerCount = new int[NUM_SEVERITY];
+	
+	public ProblemVisualizer() {
+		super();
+	}
+
+	@Override
+	public String getName() {
+		return Messages.CounterVisualizer_Name;
+	}
+	
+	@Override
+	public String getDisplayName() {
+		return Messages.CounterVisualizer_DisplayName;
+	}
+	
+	@Override
+	public String getDescription() {
+		return Messages.CounterVisualizer_Description;
+	}
+	
+	@Override
+	public GraphicCanvas createCanvas(Composite parent) {
+		m_canvas = new GraphicCanvas(parent);
+		return m_canvas;
+	}
+	
+	@Override
+	protected void initializeCanvas(GraphicCanvas canvas) {
+		// TODO Auto-generated method stub
+		super.initializeCanvas(canvas);
+	}
+	
+	@Override
+	public int handlesSelection(ISelection selection) {
+		Object sel = SelectionUtils.getSelectedObject(selection);
+
+		if (sel instanceof IResource) {
+			return 2;
+		}
+		
+		return 0;
+	}
+	
+	@Override
+	public void visualizerDeselected() {
+		// TODO Auto-generated method stub
+		super.visualizerDeselected();
+	}
+	
+	@Override
+	public void visualizerSelected() {
+		// TODO Auto-generated method stub
+		super.visualizerSelected();
+	}
+
+	private BarGraphicObject[] getBars() {
+		BarGraphicObject[] bars = new BarGraphicObject[3];
+		
+		Rectangle bounds = m_canvas.getBounds();
+
+		int x = bounds.x + MARGIN_WIDTH;
+		int y = bounds.y + MARGIN_HEIGHT;
+		
+		int spacing = SPACING_HEIGHT;
+		int height = (bounds.height - 2 * MARGIN_HEIGHT - 2 * SPACING_HEIGHT) / 3;
+		if (height <= 0) {
+			spacing = 0;
+			y = bounds.y;
+			height = bounds.height / 3;
+		}
+
+		// Find the maximum marker count to dictate the width
+		int maxCount = Math.max(m_markerCount[0], m_markerCount[1]);
+		maxCount = Math.max(maxCount, m_markerCount[2]);
+		int maxWidth = bounds.width - 2 * MARGIN_WIDTH;
+		if (maxCount == 0) maxCount = maxWidth;
+
+		int count = m_markerCount[IMarker.SEVERITY_ERROR];
+		if (count == 0) count = 1;
+		int width = maxWidth * count / maxCount;
+		bars[0] = new BarGraphicObject(IMarker.SEVERITY_ERROR, x, y, width, height);
+
+		y = y + height + spacing;
+		count = m_markerCount[IMarker.SEVERITY_WARNING];
+		if (count == 0) count = 1;
+		width = maxWidth * count / maxCount;
+		bars[1] = new BarGraphicObject(IMarker.SEVERITY_WARNING, x, y, width, height);
+		
+		y = y + height + spacing;
+		count = m_markerCount[IMarker.SEVERITY_INFO];
+		if (count == 0) count = 1;
+		width = maxWidth * count / maxCount;
+		bars[2] = new BarGraphicObject(IMarker.SEVERITY_INFO, x, y, width, height);
+		
+		return bars;
+	}
+	
+	private void setMarkerCount(IResource resource) {
+		m_markerCount[IMarker.SEVERITY_ERROR] = 0;
+		m_markerCount[IMarker.SEVERITY_WARNING] = 0;
+		m_markerCount[IMarker.SEVERITY_INFO] = 0;
+
+		IMarker[] problems = null;
+		try {
+			problems = resource.findMarkers(IMarker.PROBLEM, true, IResource.DEPTH_INFINITE);
+		} catch (CoreException e) {
+			return;
+		}
+		
+		for (IMarker problem : problems) {
+			try {
+				Object attrValue = problem.getAttribute(IMarker.SEVERITY);
+				if (attrValue != null && attrValue instanceof Integer) {
+					int severity = (Integer)attrValue;
+					m_markerCount[severity]++;
+				}
+			} catch (CoreException e) {
+			}
+		}
+	}
+
+	@Override
+	public void workbenchSelectionChanged(ISelection selection) {
+		m_canvas.clear();
+		
+		Object sel = SelectionUtils.getSelectedObject(selection);
+
+		if (sel instanceof IResource) {
+			m_canvas.setBackground(Colors.WHITE);
+
+			setMarkerCount((IResource)sel);
+
+			BarGraphicObject[] bars = getBars();
+
+			for (BarGraphicObject bar : bars) {
+				m_canvas.add(bar);
+			}
+		}
+		
+		m_canvas.redraw();
+	}
+	
+	public SelectionManager getSelectionManager() {
+		return m_selectionManager;
+	}
+	
+}

visualizer/org.eclipse.cdt.visualizer.examples/src/org/eclipse/cdt/visualizer/examples/VisualizerExamplesPlugin.java

@@ -0,0 +1,50 @@
+package org.eclipse.cdt.visualizer.examples;
+
+import org.eclipse.ui.plugin.AbstractUIPlugin;
+import org.osgi.framework.BundleContext;
+
+/**
+ * The activator class controls the plug-in life cycle
+ */
+public class VisualizerExamplesPlugin extends AbstractUIPlugin {
+
+	// The plug-in ID
+	public static final String PLUGIN_ID = "org.eclipse.cdt.visualizer.examples"; //$NON-NLS-1$
+
+	// The shared instance
+	private static VisualizerExamplesPlugin plugin;
+	
+	/**
+	 * The constructor
+	 */
+	public VisualizerExamplesPlugin() {
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * @see org.eclipse.ui.plugin.AbstractUIPlugin#start(org.osgi.framework.BundleContext)
+	 */
+	public void start(BundleContext context) throws Exception {
+		super.start(context);
+		plugin = this;
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * @see org.eclipse.ui.plugin.AbstractUIPlugin#stop(org.osgi.framework.BundleContext)
+	 */
+	public void stop(BundleContext context) throws Exception {
+		plugin = null;
+		super.stop(context);
+	}
+
+	/**
+	 * Returns the shared instance
+	 *
+	 * @return the shared instance
+	 */
+	public static VisualizerExamplesPlugin getDefault() {
+		return plugin;
+	}
+
+}