1 files changed, 94 insertions, 0 deletions
diff --git a/org.eclipse.mylyn.tasks.ui/src/org/eclipse/mylyn/internal/tasks/ui/editors/CommentEditor.java b/org.eclipse.mylyn.tasks.ui/src/org/eclipse/mylyn/internal/tasks/ui/editors/CommentEditor.java
new file mode 100644
index 000000000..a09c4d0a0
--- /dev/null
+++ b/org.eclipse.mylyn.tasks.ui/src/org/eclipse/mylyn/internal/tasks/ui/editors/CommentEditor.java
@@ -0,0 +1,94 @@
+/*******************************************************************************
+ * Copyright (c) 2014 Tasktop Technologies 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:
+ *     Tasktop Technologies - initial API and implementation
+ *******************************************************************************/
+
+package org.eclipse.mylyn.internal.tasks.ui.editors;
+
+import org.eclipse.mylyn.commons.workbench.editors.CommonTextSupport;
+import org.eclipse.mylyn.tasks.core.ITask;
+import org.eclipse.mylyn.tasks.core.TaskRepository;
+import org.eclipse.mylyn.tasks.ui.editors.AbstractTaskEditorExtension;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.layout.GridData;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.ui.ActiveShellExpression;
+import org.eclipse.ui.PlatformUI;
+import org.eclipse.ui.contexts.IContextActivation;
+import org.eclipse.ui.contexts.IContextService;
+import org.eclipse.ui.handlers.IHandlerService;
+
+public abstract class CommentEditor {
+	private RichTextEditor textEditor;
+
+	private IContextService contextService;
+
+	private IContextActivation commentContext;
+
+	private CommonTextSupport textSupport;
+
+	private final ITask task;
+
+	private final TaskRepository taskRepository;
+
+	public CommentEditor(ITask task, TaskRepository taskRepository) {
+		this.task = task;
+		this.taskRepository = taskRepository;
+	}
+
+	public void createControl(Composite composite) {
+		AbstractTaskEditorExtension extension = TaskEditorExtensions.getTaskEditorExtension(taskRepository);
+		if (extension != null) {
+			String contextId = extension.getEditorContextId();
+			if (contextId != null) {
+				contextService = (IContextService) PlatformUI.getWorkbench().getService(IContextService.class);
+				if (contextService != null) {
+					commentContext = contextService.activateContext(contextId,
+							new ActiveShellExpression(composite.getShell()));
+				}
+			}
+		}
+
+		textEditor = new RichTextEditor(taskRepository, SWT.V_SCROLL | SWT.BORDER | SWT.WRAP, contextService,
+				extension, task) {
+			@Override
+			protected void valueChanged(String value) {
+				CommentEditor.this.valueChanged(value);
+			};
+		};
+		textEditor.createControl(composite, null);
+		textEditor.getControl().setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 2, 1));
+
+		IHandlerService handlerService = (IHandlerService) PlatformUI.getWorkbench().getService(IHandlerService.class);
+		if (handlerService != null) {
+			textSupport = new CommonTextSupport(handlerService);
+			textSupport.install(textEditor.getViewer(), true);
+		}
+	}
+
+	protected abstract void valueChanged(String value);
+
+	public RichTextEditor getTextEditor() {
+		return textEditor;
+	}
+
+	public String getText() {
+		return textEditor.getText();
+	}
+
+	public void dispose() {
+		if (contextService != null && commentContext != null) {
+			contextService.deactivateContext(commentContext);
+			commentContext = null;
+		}
+		if (textSupport != null) {
+			textSupport.dispose();
+		}
+	}
+}