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/*******************************************************************************
 * Copyright (c) 2011 Frank Becker 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:
 *     Frank Becker - initial API and implementation
 *******************************************************************************/

package org.eclipse.mylyn.internal.bugzilla.ui.editor;

import org.eclipse.jface.action.Action;
import org.eclipse.jface.action.ToolBarManager;
import org.eclipse.mylyn.internal.bugzilla.core.IBugzillaConstants;
import org.eclipse.mylyn.internal.tasks.core.TaskComment;
import org.eclipse.mylyn.internal.tasks.ui.editors.TaskEditorCommentPart;
import org.eclipse.mylyn.tasks.core.ITaskComment;
import org.eclipse.mylyn.tasks.core.data.TaskAttribute;
import org.eclipse.mylyn.tasks.ui.TasksUiImages;

public class BugzillaTaskEditorCommentPart extends TaskEditorCommentPart {
	private class LockAction extends Action {
		private final ITaskComment taskComment;

		public LockAction(ITaskComment taskComment) {
			this.taskComment = taskComment;
			updateActionState();
		}

		private void updateActionState() {
			if (taskComment.getIsPrivate() != null) {
				if (taskComment.getIsPrivate()) {
					this.setImageDescriptor(TasksUiImages.LOCK_CLOSE);
					this.setToolTipText("private Comment");
				} else {
					this.setImageDescriptor(TasksUiImages.LOCK_OPEN);
					this.setToolTipText("public Comment");
				}
			}
		}

		@Override
		public void run() {
			if (taskComment.getIsPrivate() != null) {
				taskComment.setIsPrivate(!taskComment.getIsPrivate());
				TaskAttribute isprivate = taskComment.getTaskAttribute().getMappedAttribute(
						TaskAttribute.COMMENT_ISPRIVATE);
				if (isprivate == null) {
					isprivate = taskComment.getTaskAttribute().createMappedAttribute(TaskAttribute.COMMENT_ISPRIVATE);
				}
				isprivate.setValue(taskComment.getIsPrivate() ? "1" : "0"); //$NON-NLS-1$ //$NON-NLS-2$
				TaskAttribute commentID = taskComment.getTaskAttribute().getMappedAttribute(TaskAttribute.COMMENT_ID);
				if (commentID != null) {
					String value = commentID.getValue();
					TaskAttribute definedIsPrivate = taskComment.getTaskAttribute().getAttribute(
							IBugzillaConstants.BUGZILLA_PREFIX_DEFINED_ISPRIVATE + value);
					if (definedIsPrivate == null) {
						definedIsPrivate = taskComment.getTaskAttribute().createAttribute(
								IBugzillaConstants.BUGZILLA_PREFIX_DEFINED_ISPRIVATE + value);
					}
					TaskAttribute isPrivate = taskComment.getTaskAttribute().getAttribute(
							IBugzillaConstants.BUGZILLA_PREFIX_ISPRIVATE + value);
					if (isPrivate == null) {
						isPrivate = taskComment.getTaskAttribute().createAttribute(
								IBugzillaConstants.BUGZILLA_PREFIX_ISPRIVATE + value);
					}
					definedIsPrivate.setValue("1"); //$NON-NLS-1$
					isPrivate.setValue(taskComment.getIsPrivate() ? "1" : "0"); //$NON-NLS-1$ //$NON-NLS-2$
				}
				getModel().attributeChanged(taskComment.getTaskAttribute());
				updateActionState();
			}
		}
	}

	public BugzillaTaskEditorCommentPart() {
		// ignore
	}

	@Override
	protected void addActionsToToolbar(ToolBarManager toolBarManager, TaskComment taskComment,
			CommentViewer commentViewer) {
		if (taskComment.getIsPrivate() != null) {
			LockAction lockAction = new LockAction(taskComment);
			toolBarManager.add(lockAction);
		}
		super.addActionsToToolbar(toolBarManager, taskComment, commentViewer);
	}
}

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