# HG changeset patch
# User Dirk Olmes <dirk@xanthippe.ping.de>
# Date 1414095608 -7200
# Node ID ca07a15b6cc8713522e78235ccc2533406f26b39

created a plugin that allows to set a custom icon on a java editor

diff -r 000000000000 -r ca07a15b6cc8 .classpath
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/.classpath	Thu Oct 23 22:20:08 2014 +0200
@@ -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-1.7"/>
+	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
+	<classpathentry kind="src" path="src"/>
+	<classpathentry kind="output" path="bin"/>
+</classpath>
diff -r 000000000000 -r ca07a15b6cc8 .project
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/.project	Thu Oct 23 22:20:08 2014 +0200
@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>de.codedo.java.editor</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>
diff -r 000000000000 -r ca07a15b6cc8 .settings/org.eclipse.jdt.core.prefs
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/.settings/org.eclipse.jdt.core.prefs	Thu Oct 23 22:20:08 2014 +0200
@@ -0,0 +1,95 @@
+eclipse.preferences.version=1
+org.eclipse.jdt.core.compiler.annotation.inheritNullAnnotations=disabled
+org.eclipse.jdt.core.compiler.annotation.missingNonNullByDefaultAnnotation=ignore
+org.eclipse.jdt.core.compiler.annotation.nonnull=org.eclipse.jdt.annotation.NonNull
+org.eclipse.jdt.core.compiler.annotation.nonnullbydefault=org.eclipse.jdt.annotation.NonNullByDefault
+org.eclipse.jdt.core.compiler.annotation.nullable=org.eclipse.jdt.annotation.Nullable
+org.eclipse.jdt.core.compiler.annotation.nullanalysis=disabled
+org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.7
+org.eclipse.jdt.core.compiler.compliance=1.7
+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.comparingIdentical=warning
+org.eclipse.jdt.core.compiler.problem.deadCode=warning
+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=ignore
+org.eclipse.jdt.core.compiler.problem.emptyStatement=ignore
+org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
+org.eclipse.jdt.core.compiler.problem.explicitlyClosedAutoCloseable=ignore
+org.eclipse.jdt.core.compiler.problem.fallthroughCase=ignore
+org.eclipse.jdt.core.compiler.problem.fatalOptionalError=disabled
+org.eclipse.jdt.core.compiler.problem.fieldHiding=ignore
+org.eclipse.jdt.core.compiler.problem.finalParameterBound=warning
+org.eclipse.jdt.core.compiler.problem.finallyBlockNotCompletingNormally=warning
+org.eclipse.jdt.core.compiler.problem.forbiddenReference=error
+org.eclipse.jdt.core.compiler.problem.hiddenCatchBlock=warning
+org.eclipse.jdt.core.compiler.problem.includeNullInfoFromAsserts=disabled
+org.eclipse.jdt.core.compiler.problem.incompatibleNonInheritedInterfaceMethod=warning
+org.eclipse.jdt.core.compiler.problem.incompleteEnumSwitch=warning
+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.missingDefaultCase=ignore
+org.eclipse.jdt.core.compiler.problem.missingDeprecatedAnnotation=ignore
+org.eclipse.jdt.core.compiler.problem.missingEnumCaseDespiteDefault=disabled
+org.eclipse.jdt.core.compiler.problem.missingHashCodeMethod=ignore
+org.eclipse.jdt.core.compiler.problem.missingOverrideAnnotation=ignore
+org.eclipse.jdt.core.compiler.problem.missingOverrideAnnotationForInterfaceMethodImplementation=enabled
+org.eclipse.jdt.core.compiler.problem.missingSerialVersion=warning
+org.eclipse.jdt.core.compiler.problem.missingSynchronizedOnInheritedMethod=ignore
+org.eclipse.jdt.core.compiler.problem.noEffectAssignment=warning
+org.eclipse.jdt.core.compiler.problem.noImplicitStringConversion=warning
+org.eclipse.jdt.core.compiler.problem.nonExternalizedStringLiteral=ignore
+org.eclipse.jdt.core.compiler.problem.nonnullParameterAnnotationDropped=warning
+org.eclipse.jdt.core.compiler.problem.nullAnnotationInferenceConflict=error
+org.eclipse.jdt.core.compiler.problem.nullReference=warning
+org.eclipse.jdt.core.compiler.problem.nullSpecViolation=error
+org.eclipse.jdt.core.compiler.problem.nullUncheckedConversion=warning
+org.eclipse.jdt.core.compiler.problem.overridingPackageDefaultMethod=warning
+org.eclipse.jdt.core.compiler.problem.parameterAssignment=ignore
+org.eclipse.jdt.core.compiler.problem.possibleAccidentalBooleanAssignment=ignore
+org.eclipse.jdt.core.compiler.problem.potentialNullReference=ignore
+org.eclipse.jdt.core.compiler.problem.potentiallyUnclosedCloseable=ignore
+org.eclipse.jdt.core.compiler.problem.rawTypeReference=warning
+org.eclipse.jdt.core.compiler.problem.redundantNullAnnotation=warning
+org.eclipse.jdt.core.compiler.problem.redundantNullCheck=ignore
+org.eclipse.jdt.core.compiler.problem.redundantSpecificationOfTypeArguments=ignore
+org.eclipse.jdt.core.compiler.problem.redundantSuperinterface=ignore
+org.eclipse.jdt.core.compiler.problem.reportMethodCanBePotentiallyStatic=ignore
+org.eclipse.jdt.core.compiler.problem.reportMethodCanBeStatic=ignore
+org.eclipse.jdt.core.compiler.problem.specialParameterHidingField=disabled
+org.eclipse.jdt.core.compiler.problem.staticAccessReceiver=warning
+org.eclipse.jdt.core.compiler.problem.suppressOptionalErrors=disabled
+org.eclipse.jdt.core.compiler.problem.suppressWarnings=enabled
+org.eclipse.jdt.core.compiler.problem.syntacticNullAnalysisForFields=disabled
+org.eclipse.jdt.core.compiler.problem.syntheticAccessEmulation=ignore
+org.eclipse.jdt.core.compiler.problem.typeParameterHiding=warning
+org.eclipse.jdt.core.compiler.problem.unavoidableGenericTypeProblems=enabled
+org.eclipse.jdt.core.compiler.problem.uncheckedTypeOperation=warning
+org.eclipse.jdt.core.compiler.problem.unclosedCloseable=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=ignore
+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=warning
+org.eclipse.jdt.core.compiler.problem.unusedLabel=warning
+org.eclipse.jdt.core.compiler.problem.unusedLocal=warning
+org.eclipse.jdt.core.compiler.problem.unusedObjectAllocation=ignore
+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.unusedTypeParameter=ignore
+org.eclipse.jdt.core.compiler.problem.unusedWarningToken=warning
+org.eclipse.jdt.core.compiler.problem.varargsArgumentNeedCast=warning
+org.eclipse.jdt.core.compiler.source=1.7
diff -r 000000000000 -r ca07a15b6cc8 META-INF/MANIFEST.MF
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/META-INF/MANIFEST.MF	Thu Oct 23 22:20:08 2014 +0200
@@ -0,0 +1,15 @@
+Manifest-Version: 1.0
+Bundle-ManifestVersion: 2
+Bundle-Name: Java Editor with extra icon
+Bundle-SymbolicName: de.codedo.java.editor;singleton:=true
+Bundle-Version: 1.0.0.qualifier
+Bundle-Activator: de.codedo.java.editor.Activator
+Bundle-Vendor: Dirk Olmes
+Require-Bundle: org.eclipse.ui,
+ org.eclipse.core.runtime,
+ org.eclipse.ui.editors,
+ org.eclipse.jface.text,
+ org.eclipse.jdt.ui,
+ org.eclipse.jdt.core
+Bundle-RequiredExecutionEnvironment: JavaSE-1.7
+Bundle-ActivationPolicy: lazy
diff -r 000000000000 -r ca07a15b6cc8 build.properties
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/build.properties	Thu Oct 23 22:20:08 2014 +0200
@@ -0,0 +1,6 @@
+source.. = src/
+output.. = bin/
+bin.includes = META-INF/,\
+               .,\
+               plugin.xml,\
+               icons/
diff -r 000000000000 -r ca07a15b6cc8 icons/icon.png
Binary file icons/icon.png has changed
diff -r 000000000000 -r ca07a15b6cc8 plugin.xml
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/plugin.xml	Thu Oct 23 22:20:08 2014 +0200
@@ -0,0 +1,45 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<?eclipse version="3.4"?>
+<plugin>
+   <extension
+         point="org.eclipse.ui.editors">
+      <editor
+            class="de.codedo.java.editor.CodedoJavaEditor"
+            default="false"
+            filenames="*.java"
+            id="de.codedo.java.editor.javaEditor"
+            name="Java editor (custom icon)">
+      </editor>
+   </extension>
+   <extension
+         point="org.eclipse.ui.commands">
+      <command
+            id="de.codedo.java.editor.command.toggleTitleImage"
+            name="Toggle editor icon">
+      </command>
+   </extension>
+   <extension
+         point="org.eclipse.ui.handlers">
+      <handler
+            class="de.codedo.java.editor.ToggleEditorIconHandler"
+            commandId="de.codedo.java.editor.command.toggleTitleImage">
+      </handler>
+   </extension>
+   <extension
+         point="org.eclipse.ui.menus">
+      <menuContribution
+            locationURI="toolbar:org.eclipse.ui.main.toolbar?after=additions">
+         <toolbar
+               id="de.codedo.java.editor.toolbar">
+            <command
+                  commandId="de.codedo.java.editor.command.toggleTitleImage"
+                  icon="icons/icon.png"
+                  id="de.codedo.java.editor.command.toolbar.toggleTitleImage"
+                  style="push"
+                  tooltip="Toggle editor icon">
+            </command>
+         </toolbar>
+      </menuContribution>
+   </extension>
+
+</plugin>
diff -r 000000000000 -r ca07a15b6cc8 src/de/codedo/java/editor/Activator.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/de/codedo/java/editor/Activator.java	Thu Oct 23 22:20:08 2014 +0200
@@ -0,0 +1,50 @@
+package de.codedo.java.editor;
+
+import org.eclipse.ui.plugin.AbstractUIPlugin;
+import org.osgi.framework.BundleContext;
+
+/**
+ * The activator class controls the plug-in life cycle
+ */
+public class Activator extends AbstractUIPlugin {
+
+	// The plug-in ID
+	public static final String PLUGIN_ID = "de.codedo.java.editor"; //$NON-NLS-1$
+
+	// The shared instance
+	private static Activator plugin;
+	
+	/**
+	 * The constructor
+	 */
+	public Activator() {
+	}
+
+	/*
+	 * (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 Activator getDefault() {
+		return plugin;
+	}
+
+}
diff -r 000000000000 -r ca07a15b6cc8 src/de/codedo/java/editor/CodedoJavaEditor.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/de/codedo/java/editor/CodedoJavaEditor.java	Thu Oct 23 22:20:08 2014 +0200
@@ -0,0 +1,51 @@
+package de.codedo.java.editor;
+
+import java.io.InputStream;
+
+import org.eclipse.jdt.internal.ui.javaeditor.CompilationUnitEditor;
+import org.eclipse.swt.graphics.Device;
+import org.eclipse.swt.graphics.Image;
+
+public class CodedoJavaEditor extends CompilationUnitEditor 
+{
+	private Image _originalTitleImage;
+	private Image _customTitleImage;
+	
+	public void toggleTitleImage()
+	{
+		if (_originalTitleImage == null)
+		{
+			installCustomTitleImage();
+		}
+		else
+		{
+			restoreOriginalTitleImage();
+		}
+	}
+
+	private void installCustomTitleImage() 
+	{
+		_originalTitleImage = getTitleImage();
+		
+		Image titleImage = getCustomTitleImage();
+		setTitleImage(titleImage);
+	}
+
+	private Image getCustomTitleImage()
+	{
+		if (_customTitleImage == null)
+		{
+			Device device = getDefaultImage().getDevice();
+
+			InputStream input = getClass().getClassLoader().getResourceAsStream("icons/icon.png");
+			_customTitleImage = new Image(device, input);
+		}
+		return _customTitleImage;
+	}
+	
+	private void restoreOriginalTitleImage() 
+	{
+		setTitleImage(_originalTitleImage);
+		_originalTitleImage = null;
+	}
+}
diff -r 000000000000 -r ca07a15b6cc8 src/de/codedo/java/editor/ToggleEditorIconHandler.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/de/codedo/java/editor/ToggleEditorIconHandler.java	Thu Oct 23 22:20:08 2014 +0200
@@ -0,0 +1,21 @@
+package de.codedo.java.editor;
+
+import org.eclipse.core.commands.AbstractHandler;
+import org.eclipse.core.commands.ExecutionEvent;
+import org.eclipse.core.commands.ExecutionException;
+import org.eclipse.ui.IEditorPart;
+import org.eclipse.ui.handlers.HandlerUtil;
+
+public class ToggleEditorIconHandler extends AbstractHandler
+{
+	@Override
+	public Object execute(ExecutionEvent event) throws ExecutionException 
+	{
+		IEditorPart editorPart = HandlerUtil.getActiveEditor(event);
+		if (editorPart instanceof CodedoJavaEditor) {
+			CodedoJavaEditor editor = (CodedoJavaEditor)editorPart;
+			editor.toggleTitleImage();
+		}
+		return null;
+	}
+}