1 /*******************************************************************************

     2  * Copyright (c) 2004, 2008 Tasktop Technologies and others.

     3  * All rights reserved. This program and the accompanying materials

     4  * are made available under the terms of the Eclipse Public License v1.0

     5  * which accompanies this distribution, and is available at

     6  * http://www.eclipse.org/legal/epl-v10.html

     7  *

     8  * Contributors:

     9  *     Tasktop Technologies - initial API and implementation

    10  *******************************************************************************/

    11 

    12 package com.nokia.carbide.remoteconnections.internal.ui.mylyn;

    13 

    14 import org.eclipse.jface.resource.CompositeImageDescriptor;

    15 import org.eclipse.jface.resource.ImageDescriptor;

    16 import org.eclipse.swt.graphics.ImageData;

    17 import org.eclipse.swt.graphics.Point;

    18 

    19 /**

    20  * @author Mik Kersten

    21  */

    22 public class CompositeElementImageDescriptor extends CompositeImageDescriptor {

    23 

    24 	private final ImageData base;

    25 

    26 	private ImageData kind;

    27 

    28 	protected Point size;

    29 

    30 	public static final int OFFSET_DECORATION = 6;

    31 

    32 	static final int WIDTH_ICON = 16;

    33 

    34 	private int offset = 0;

    35 

    36 	public CompositeElementImageDescriptor(ImageDescriptor icon, ImageDescriptor overlayKind, boolean wide) {

    37 		this.base = getImageData(icon);

    38 		if (overlayKind != null) {

    39 			this.kind = getImageData(overlayKind);

    40 		}

    41 		int width = WIDTH_ICON;

    42 		if (wide) {

    43 			width += OFFSET_DECORATION;

    44 			offset = OFFSET_DECORATION;

    45 		}

    46 		this.size = new Point(width, base.height);

    47 	}

    48 

    49 	@Override

    50 	protected void drawCompositeImage(int width, int height) {

    51 		drawImage(base, offset, 1);

    52 		if (kind != null) {

    53 			drawImage(kind, offset + 5, 6);

    54 		}

    55 	}

    56 

    57 	private ImageData getImageData(ImageDescriptor descriptor) {

    58 		ImageData data = descriptor.getImageData();

    59 		// see bug 51965: getImageData can return null

    60 		if (data == null) {

    61 			data = DEFAULT_IMAGE_DATA;

    62 		}

    63 		return data;

    64 	}

    65 

    66 	@Override

    67 	protected Point getSize() {

    68 		return new Point(size.x, size.y);

    69 	}

    70 }