jeffliu | ec1c478 | 2006-05-24 14:16:24 +0000 | [diff] [blame] | 1 | /******************************************************************************* |
amywu | ecebb04 | 2007-04-10 20:07:35 +0000 | [diff] [blame] | 2 | * Copyright (c) 2002, 2006 IBM Corporation and others. |
jeffliu | ec1c478 | 2006-05-24 14:16:24 +0000 | [diff] [blame] | 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 |
amywu | ecebb04 | 2007-04-10 20:07:35 +0000 | [diff] [blame] | 7 | * |
jeffliu | ec1c478 | 2006-05-24 14:16:24 +0000 | [diff] [blame] | 8 | * Contributors: |
| 9 | * IBM Corporation - initial API and implementation |
| 10 | * Jens Lukowski/Innoopract - initial renaming/restructuring |
| 11 | * |
| 12 | *******************************************************************************/ |
csalter | a3a2daa | 2005-06-15 06:53:51 +0000 | [diff] [blame] | 13 | package org.eclipse.wst.xml.ui.internal.catalog; |
| 14 | |
| 15 | import java.util.Hashtable; |
| 16 | |
| 17 | import org.eclipse.jface.resource.CompositeImageDescriptor; |
| 18 | import org.eclipse.jface.resource.ImageDescriptor; |
| 19 | import org.eclipse.jface.resource.ImageRegistry; |
| 20 | import org.eclipse.swt.graphics.Image; |
| 21 | import org.eclipse.swt.graphics.ImageData; |
| 22 | import org.eclipse.swt.graphics.Point; |
| 23 | import org.eclipse.wst.xml.ui.internal.XMLUIPlugin; |
| 24 | |
david_williams | ef7420b | 2006-11-23 04:30:09 +0000 | [diff] [blame] | 25 | public class ImageFactory { |
| 26 | public static final int TOP_LEFT = 1; |
| 27 | public static final int TOP_RIGHT = 2; |
| 28 | public static final int BOTTOM_LEFT = 3; |
| 29 | public static final int BOTTOM_RIGHT = 4; |
csalter | a3a2daa | 2005-06-15 06:53:51 +0000 | [diff] [blame] | 30 | |
david_williams | ef7420b | 2006-11-23 04:30:09 +0000 | [diff] [blame] | 31 | protected static final int[][] OVERLAY_COORDINATE = {{0, 0}, {0, 2}, {2, 0}, {2, 2}}; |
csalter | a3a2daa | 2005-06-15 06:53:51 +0000 | [diff] [blame] | 32 | |
david_williams | ef7420b | 2006-11-23 04:30:09 +0000 | [diff] [blame] | 33 | protected static ImageFactory INSTANCE = new ImageFactory(); |
csalter | a3a2daa | 2005-06-15 06:53:51 +0000 | [diff] [blame] | 34 | |
david_williams | ef7420b | 2006-11-23 04:30:09 +0000 | [diff] [blame] | 35 | protected Hashtable compositeImageTable = new Hashtable(); |
| 36 | |
| 37 | public ImageFactory() { |
| 38 | super(); |
csalter | a3a2daa | 2005-06-15 06:53:51 +0000 | [diff] [blame] | 39 | } |
| 40 | |
david_williams | ef7420b | 2006-11-23 04:30:09 +0000 | [diff] [blame] | 41 | public Image getImage(String iconName) { |
| 42 | ImageRegistry imageRegistry = XMLUIPlugin.getDefault().getImageRegistry(); |
| 43 | |
| 44 | if (imageRegistry.get(iconName) != null) { |
| 45 | return imageRegistry.get(iconName); |
| 46 | } |
| 47 | else { |
| 48 | imageRegistry.put(iconName, ImageDescriptor.createFromFile(getClass(), iconName)); |
| 49 | return imageRegistry.get(iconName); |
| 50 | } |
| 51 | } |
| 52 | |
| 53 | public Image createCompositeImage(Image base, Image overlay, int overlayPosition) { |
| 54 | String key = base + "*" + overlay + "*" + overlayPosition; //$NON-NLS-1$ //$NON-NLS-2$ |
| 55 | Image result = (Image) compositeImageTable.get(key); |
| 56 | if (result == null) { |
| 57 | ImageDescriptor overlays[][] = new ImageDescriptor[3][3]; |
| 58 | int[] coord = OVERLAY_COORDINATE[overlayPosition]; |
| 59 | overlays[coord[1]][coord[0]] = new ImageBasedImageDescriptor(overlay); |
| 60 | OverlayIcon icon = new OverlayIcon(new ImageBasedImageDescriptor(base), overlays, new Point(16, 16)); |
| 61 | result = icon.createImage(); |
| 62 | compositeImageTable.put(key, result); |
| 63 | } |
| 64 | return result; |
| 65 | } |
csalter | a3a2daa | 2005-06-15 06:53:51 +0000 | [diff] [blame] | 66 | |
| 67 | |
david_williams | ef7420b | 2006-11-23 04:30:09 +0000 | [diff] [blame] | 68 | public static ImageDescriptor createImageDescriptorWrapper(Image image) { |
| 69 | return new ImageBasedImageDescriptor(image); |
| 70 | } |
csalter | a3a2daa | 2005-06-15 06:53:51 +0000 | [diff] [blame] | 71 | |
david_williams | ef7420b | 2006-11-23 04:30:09 +0000 | [diff] [blame] | 72 | /** |
| 73 | * An OverlayIcon consists of a main icon and several adornments. |
| 74 | */ |
| 75 | class OverlayIcon extends CompositeImageDescriptor { |
csalter | a3a2daa | 2005-06-15 06:53:51 +0000 | [diff] [blame] | 76 | |
david_williams | ef7420b | 2006-11-23 04:30:09 +0000 | [diff] [blame] | 77 | static final int DEFAULT_WIDTH = 22; |
csalter | a3a2daa | 2005-06-15 06:53:51 +0000 | [diff] [blame] | 78 | |
david_williams | ef7420b | 2006-11-23 04:30:09 +0000 | [diff] [blame] | 79 | static final int DEFAULT_HEIGHT = 16; |
csalter | a3a2daa | 2005-06-15 06:53:51 +0000 | [diff] [blame] | 80 | |
david_williams | ef7420b | 2006-11-23 04:30:09 +0000 | [diff] [blame] | 81 | private Point fSize = null; |
csalter | a3a2daa | 2005-06-15 06:53:51 +0000 | [diff] [blame] | 82 | |
david_williams | ef7420b | 2006-11-23 04:30:09 +0000 | [diff] [blame] | 83 | private ImageDescriptor fBase; |
csalter | a3a2daa | 2005-06-15 06:53:51 +0000 | [diff] [blame] | 84 | |
david_williams | ef7420b | 2006-11-23 04:30:09 +0000 | [diff] [blame] | 85 | private ImageDescriptor fOverlays[][]; |
csalter | a3a2daa | 2005-06-15 06:53:51 +0000 | [diff] [blame] | 86 | |
david_williams | ef7420b | 2006-11-23 04:30:09 +0000 | [diff] [blame] | 87 | public OverlayIcon(ImageDescriptor base, ImageDescriptor[][] overlays, Point size) { |
| 88 | fBase = base; |
| 89 | fOverlays = overlays; |
| 90 | fSize = size; |
| 91 | } |
csalter | a3a2daa | 2005-06-15 06:53:51 +0000 | [diff] [blame] | 92 | |
david_williams | ef7420b | 2006-11-23 04:30:09 +0000 | [diff] [blame] | 93 | protected void drawBottomLeft(ImageDescriptor[] overlays) { |
| 94 | if (overlays == null) { |
| 95 | return; |
| 96 | } |
| 97 | int length = overlays.length; |
| 98 | int x = 0; |
| 99 | for (int i = 0; i < 3; i++) { |
| 100 | if ((i < length) && (overlays[i] != null)) { |
| 101 | ImageData id = overlays[i].getImageData(); |
| 102 | drawImage(id, x, getSize().y - id.height); |
| 103 | x += id.width; |
| 104 | } |
| 105 | } |
| 106 | } |
csalter | a3a2daa | 2005-06-15 06:53:51 +0000 | [diff] [blame] | 107 | |
david_williams | ef7420b | 2006-11-23 04:30:09 +0000 | [diff] [blame] | 108 | protected void drawBottomRight(ImageDescriptor[] overlays) { |
| 109 | if (overlays == null) { |
| 110 | return; |
| 111 | } |
| 112 | int length = overlays.length; |
| 113 | int x = getSize().x; |
| 114 | for (int i = 2; i >= 0; i--) { |
| 115 | if ((i < length) && (overlays[i] != null)) { |
| 116 | ImageData id = overlays[i].getImageData(); |
| 117 | x -= id.width; |
| 118 | drawImage(id, x, getSize().y - id.height); |
| 119 | } |
| 120 | } |
| 121 | } |
csalter | a3a2daa | 2005-06-15 06:53:51 +0000 | [diff] [blame] | 122 | |
david_williams | ef7420b | 2006-11-23 04:30:09 +0000 | [diff] [blame] | 123 | /** |
| 124 | * @see CompositeImageDescriptor#drawCompositeImage(int, int) |
| 125 | */ |
| 126 | protected void drawCompositeImage(int width, int height) { |
| 127 | ImageData bg; |
| 128 | if ((fBase == null) || ((bg = fBase.getImageData()) == null)) { |
| 129 | bg = DEFAULT_IMAGE_DATA; |
| 130 | } |
| 131 | drawImage(bg, 0, 0); |
csalter | a3a2daa | 2005-06-15 06:53:51 +0000 | [diff] [blame] | 132 | |
david_williams | ef7420b | 2006-11-23 04:30:09 +0000 | [diff] [blame] | 133 | if (fOverlays != null) { |
| 134 | if (fOverlays.length > 0) { |
| 135 | drawTopRight(fOverlays[0]); |
| 136 | } |
csalter | a3a2daa | 2005-06-15 06:53:51 +0000 | [diff] [blame] | 137 | |
david_williams | ef7420b | 2006-11-23 04:30:09 +0000 | [diff] [blame] | 138 | if (fOverlays.length > 1) { |
| 139 | drawBottomRight(fOverlays[1]); |
| 140 | } |
csalter | a3a2daa | 2005-06-15 06:53:51 +0000 | [diff] [blame] | 141 | |
david_williams | ef7420b | 2006-11-23 04:30:09 +0000 | [diff] [blame] | 142 | if (fOverlays.length > 2) { |
| 143 | drawBottomLeft(fOverlays[2]); |
| 144 | } |
csalter | a3a2daa | 2005-06-15 06:53:51 +0000 | [diff] [blame] | 145 | |
david_williams | ef7420b | 2006-11-23 04:30:09 +0000 | [diff] [blame] | 146 | if (fOverlays.length > 3) { |
| 147 | drawTopLeft(fOverlays[3]); |
| 148 | } |
| 149 | } |
| 150 | } |
csalter | a3a2daa | 2005-06-15 06:53:51 +0000 | [diff] [blame] | 151 | |
david_williams | ef7420b | 2006-11-23 04:30:09 +0000 | [diff] [blame] | 152 | protected void drawTopLeft(ImageDescriptor[] overlays) { |
| 153 | if (overlays == null) { |
| 154 | return; |
| 155 | } |
| 156 | int length = overlays.length; |
| 157 | int x = 0; |
| 158 | for (int i = 0; i < 3; i++) { |
| 159 | if ((i < length) && (overlays[i] != null)) { |
| 160 | ImageData id = overlays[i].getImageData(); |
| 161 | drawImage(id, x, 0); |
| 162 | x += id.width; |
| 163 | } |
| 164 | } |
| 165 | } |
csalter | a3a2daa | 2005-06-15 06:53:51 +0000 | [diff] [blame] | 166 | |
david_williams | ef7420b | 2006-11-23 04:30:09 +0000 | [diff] [blame] | 167 | protected void drawTopRight(ImageDescriptor[] overlays) { |
| 168 | if (overlays == null) { |
| 169 | return; |
| 170 | } |
| 171 | int length = overlays.length; |
| 172 | int x = getSize().x; |
| 173 | for (int i = 2; i >= 0; i--) { |
| 174 | if ((i < length) && (overlays[i] != null)) { |
| 175 | ImageData id = overlays[i].getImageData(); |
| 176 | x -= id.width; |
| 177 | drawImage(id, x, 0); |
| 178 | } |
| 179 | } |
| 180 | } |
csalter | a3a2daa | 2005-06-15 06:53:51 +0000 | [diff] [blame] | 181 | |
david_williams | ef7420b | 2006-11-23 04:30:09 +0000 | [diff] [blame] | 182 | /** |
| 183 | * @see CompositeImageDescriptor#getSize() |
| 184 | */ |
| 185 | protected Point getSize() { |
| 186 | return fSize; |
| 187 | } |
| 188 | } |
csalter | a3a2daa | 2005-06-15 06:53:51 +0000 | [diff] [blame] | 189 | |
david_williams | ef7420b | 2006-11-23 04:30:09 +0000 | [diff] [blame] | 190 | static class ImageBasedImageDescriptor extends ImageDescriptor { |
| 191 | protected Image image; |
csalter | a3a2daa | 2005-06-15 06:53:51 +0000 | [diff] [blame] | 192 | |
david_williams | ef7420b | 2006-11-23 04:30:09 +0000 | [diff] [blame] | 193 | public ImageBasedImageDescriptor(Image image) { |
| 194 | this.image = image; |
| 195 | } |
csalter | a3a2daa | 2005-06-15 06:53:51 +0000 | [diff] [blame] | 196 | |
david_williams | ef7420b | 2006-11-23 04:30:09 +0000 | [diff] [blame] | 197 | public ImageData getImageData() { |
| 198 | return image.getImageData(); |
| 199 | } |
| 200 | } |
csalter | a3a2daa | 2005-06-15 06:53:51 +0000 | [diff] [blame] | 201 | } |