| /******************************************************************************* |
| * Copyright (c) 2000, 2005 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 |
| * John-Mason P. Shackelford (john-mason.shackelford@pearson.com) - bug 49445 |
| *******************************************************************************/ |
| package org.eclipse.ant.internal.ui; |
| |
| import org.eclipse.jface.resource.CompositeImageDescriptor; |
| import org.eclipse.jface.resource.ImageDescriptor; |
| import org.eclipse.swt.graphics.ImageData; |
| import org.eclipse.swt.graphics.Point; |
| |
| /** |
| * A image descriptor consisting of a main icon and several adornments. The adornments |
| * are computed according to flags set on creation of the descriptor. |
| */ |
| public class AntImageDescriptor extends CompositeImageDescriptor { |
| |
| /** Flag to render an error adornment */ |
| public final static int HAS_ERRORS= 0x0001; |
| |
| /** Flag to render an imported adornment */ |
| public final static int IMPORTED= 0x0002; |
| |
| /** Flag to render an warning adornment */ |
| public final static int HAS_WARNINGS= 0x0004; |
| |
| private ImageDescriptor fBaseImage; |
| private int fFlags; |
| private Point fSize; |
| |
| /** |
| * Create a new AntImageDescriptor. |
| * |
| * @param baseImage an image descriptor used as the base image |
| * @param flags flags indicating which adornments are to be rendered |
| * |
| */ |
| public AntImageDescriptor(ImageDescriptor baseImage, int flags) { |
| setBaseImage(baseImage); |
| setFlags(flags); |
| } |
| |
| /** |
| * @see CompositeImageDescriptor#getSize() |
| */ |
| protected Point getSize() { |
| if (fSize == null) { |
| ImageData data= getBaseImage().getImageData(); |
| setSize(new Point(data.width, data.height)); |
| } |
| return fSize; |
| } |
| |
| /** |
| * @see Object#equals(java.lang.Object) |
| */ |
| public boolean equals(Object object) { |
| if (!(object instanceof AntImageDescriptor)){ |
| return false; |
| } |
| |
| AntImageDescriptor other= (AntImageDescriptor)object; |
| return (getBaseImage().equals(other.getBaseImage()) && getFlags() == other.getFlags()); |
| } |
| |
| /** |
| * @see 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(); |
| } |
| |
| /** |
| * Add any overlays to the image as specified in the flags. |
| */ |
| protected void drawOverlays() { |
| int flags= getFlags(); |
| int y= 0; |
| ImageData data= null; |
| if ((flags & IMPORTED) != 0) { |
| data= AntUIImages.getImageDescriptor(IAntUIConstants.IMG_OVR_IMPORT).getImageData(); |
| drawImage(data, 0, 0); |
| } |
| if ((flags & HAS_ERRORS) != 0) { |
| y= getSize().y; |
| data= AntUIImages.getImageDescriptor(IAntUIConstants.IMG_OVR_ERROR).getImageData(); |
| y -= data.height; |
| drawImage(data, 0, y); |
| } else if ((flags & HAS_WARNINGS) != 0) { |
| y= getSize().y; |
| data= AntUIImages.getImageDescriptor(IAntUIConstants.IMG_OVR_WARNING).getImageData(); |
| y -= data.height; |
| drawImage(data, 0, y); |
| } |
| } |
| |
| protected ImageDescriptor getBaseImage() { |
| return fBaseImage; |
| } |
| |
| protected void setBaseImage(ImageDescriptor baseImage) { |
| fBaseImage = baseImage; |
| } |
| |
| protected int getFlags() { |
| return fFlags; |
| } |
| |
| protected void setFlags(int flags) { |
| fFlags = flags; |
| } |
| |
| protected void setSize(Point size) { |
| fSize = size; |
| } |
| } |