| /******************************************************************************* |
| * Copyright (c) 2009 IBM Corporation 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: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.e4.languages.internal.javascript.debug.ui; |
| |
| |
| import org.eclipse.jface.resource.CompositeImageDescriptor; |
| import org.eclipse.swt.graphics.Image; |
| import org.eclipse.swt.graphics.ImageData; |
| import org.eclipse.swt.graphics.Point; |
| |
| /** |
| * A JSDIImageDescriptor consists of a main icon and several adornments. The adornments |
| * are computed according to flags set on creation of the descriptor. |
| * |
| * @since 1.0 |
| */ |
| public class JSDIImageDescriptor extends CompositeImageDescriptor { |
| |
| /** Flag to render the installed breakpoint adornment */ |
| public final static int INSTALLED = 1 << 0; |
| /** Flag to render the entry method breakpoint adornment */ |
| public final static int ENTRY = 1 << 1; |
| /** Flag to render the exit method breakpoint adornment */ |
| public final static int EXIT = 1 << 2; |
| /** Flag to render the enabled breakpoint adornment */ |
| public final static int ENABLED = 1 << 3; |
| /** Flag to render the conditional breakpoint adornment */ |
| public final static int CONDITIONAL = 1 << 4; |
| /** Flag to render the scoped breakpoint adornment */ |
| public final static int SCOPED = 1 << 5; |
| |
| private Image fBaseImage; |
| private int fFlags; |
| private Point fSize; |
| |
| /** |
| * Create a new JDIImageDescriptor. |
| * |
| * @param baseImage an image used as the base image |
| * @param flags flags indicating which adornments are to be rendered |
| * |
| */ |
| public JSDIImageDescriptor(Image baseImage, int flags) { |
| setBaseImage(baseImage); |
| setFlags(flags); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jface.resource.CompositeImageDescriptor#getSize() |
| */ |
| protected Point getSize() { |
| if (fSize == null) { |
| ImageData data= getBaseImage().getImageData(); |
| setSize(new Point(data.width, data.height)); |
| } |
| return fSize; |
| } |
| |
| /* (non-Javadoc) |
| * @see java.lang.Object#equals(java.lang.Object) |
| */ |
| public boolean equals(Object object) { |
| if (!(object instanceof JSDIImageDescriptor)){ |
| return false; |
| } |
| |
| JSDIImageDescriptor other= (JSDIImageDescriptor)object; |
| return (getBaseImage().equals(other.getBaseImage()) && getFlags() == other.getFlags()); |
| } |
| |
| /* (non-Javadoc) |
| * @see java.lang.Object#hashCode() |
| */ |
| public int hashCode() { |
| return getBaseImage().hashCode() | getFlags(); |
| } |
| |
| /** |
| * @see CompositeImageDescriptor#drawCompositeImage(int, int) |
| */ |
| protected void drawCompositeImage(int width, int height) { |
| ImageData bg= getBaseImage().getImageData(); |
| if (bg == null) { |
| bg = DEFAULT_IMAGE_DATA; |
| } |
| drawImage(bg, 0, 0); |
| drawOverlays(); |
| } |
| |
| private ImageData getImageData(String imageDescriptorKey) { |
| return JSDIImageRegistry.getSharedImage(imageDescriptorKey).getImageData(); |
| } |
| /** |
| * Add any overlays to the image as specified in the flags. |
| */ |
| protected void drawOverlays() { |
| int flags = getFlags(); |
| int x = 0; |
| int y = 0; |
| ImageData data = null; |
| if ((flags & INSTALLED) != 0) { |
| x = 0; |
| y = getSize().y; |
| if ((flags & ENABLED) != 0) { |
| data = getImageData(ISharedImages.IMG_OVR_INSTALLED); |
| } else { |
| data = getImageData(ISharedImages.IMG_OVR_INSTALLED_DISABLED); |
| } |
| |
| y -= data.height; |
| drawImage(data, x, y); |
| } |
| if ((flags & SCOPED) != 0) { |
| if ((flags & ENABLED) != 0) { |
| data = getImageData(ISharedImages.IMG_OVR_SCOPED); |
| } else { |
| data = getImageData(ISharedImages.IMG_OVR_SCOPED_DISABLED); |
| } |
| x = 0; |
| y = getSize().y; |
| y-= data.height; |
| drawImage(data, x, y); |
| } |
| if ((flags & CONDITIONAL) != 0) { |
| if ((flags & ENABLED) != 0) { |
| data = getImageData(ISharedImages.IMG_OVR_CONDITIONAL); |
| } else { |
| data = getImageData(ISharedImages.IMG_OVR_CONDITIONAL_DISABLED); |
| } |
| x = 0; |
| y = 0; |
| drawImage(data, x, y); |
| } |
| if ((flags & ENTRY) != 0) { |
| x = getSize().x; |
| y = 0; |
| if ((flags & ENABLED) != 0) { |
| data = getImageData(ISharedImages.IMG_OVR_ENTRY); |
| } else { |
| data = getImageData(ISharedImages.IMG_OVR_ENTRY_DISABLED); |
| } |
| x -= data.width; |
| x = x - 2; |
| drawImage(data, x, y); |
| } |
| if ((flags & EXIT) != 0){ |
| x = getSize().x; |
| y = getSize().y; |
| if ((flags & ENABLED) != 0) { |
| data = getImageData(ISharedImages.IMG_OVR_EXIT); |
| } else { |
| data = getImageData(ISharedImages.IMG_OVR_EXIT_DISABLED); |
| } |
| x -= data.width; |
| x = x - 2; |
| y -= data.height; |
| drawImage(data, x, y); |
| } |
| } |
| |
| protected Image getBaseImage() { |
| return fBaseImage; |
| } |
| |
| protected void setBaseImage(Image baseImage) { |
| fBaseImage = baseImage; |
| } |
| |
| protected int getFlags() { |
| return fFlags; |
| } |
| |
| protected void setFlags(int flags) { |
| fFlags = flags; |
| } |
| |
| protected void setSize(Point size) { |
| fSize = size; |
| } |
| } |