| /******************************************************************************* |
| * 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 |
| *******************************************************************************/ |
| package org.eclipse.jdt.internal.junit.ui; |
| |
| import java.net.MalformedURLException; |
| |
| import org.eclipse.jface.resource.ImageDescriptor; |
| import org.eclipse.swt.graphics.Image; |
| |
| /** |
| * Manages a set of images that can show progress in the image itself. |
| */ |
| public class ProgressImages { |
| static final int PROGRESS_STEPS= 9; |
| |
| static final String BASE= "prgss/"; //$NON-NLS-1$ |
| static final String FAILURE= "ff"; //$NON-NLS-1$ |
| static final String OK= "ss"; //$NON-NLS-1$ |
| |
| Image[] fOKImages= new Image[PROGRESS_STEPS]; |
| Image[] fFailureImages= new Image[PROGRESS_STEPS]; |
| Image fMissingImage= null; |
| |
| void load() { |
| if (isLoaded()) |
| return; |
| |
| for (int i= 0; i < PROGRESS_STEPS; i++) { |
| String okname= BASE+OK+Integer.toString(i+1)+".gif"; //$NON-NLS-1$ |
| fOKImages[i]= createImage(okname); |
| String failurename= BASE+FAILURE+Integer.toString(i+1)+".gif"; //$NON-NLS-1$ |
| fFailureImages[i]= createImage(failurename); |
| } |
| } |
| |
| Image createImage(String name) { |
| try { |
| ImageDescriptor id= ImageDescriptor.createFromURL(JUnitPlugin.makeIconFileURL(name)); |
| return id.createImage(); |
| } catch (MalformedURLException e) { |
| // fall through |
| } |
| if (fMissingImage == null) |
| fMissingImage= ImageDescriptor.getMissingImageDescriptor().createImage(); |
| return fMissingImage; |
| } |
| |
| public void dispose() { |
| if (!isLoaded()) |
| return; |
| |
| if (fMissingImage != null) |
| fMissingImage.dispose(); |
| |
| for (int i= 0; i < PROGRESS_STEPS; i++) { |
| fOKImages[i].dispose(); |
| fOKImages[i]= null; |
| fFailureImages[i].dispose(); |
| fFailureImages[i]= null; |
| } |
| } |
| |
| public Image getImage(int current, int total, int errors, int failures) { |
| if (!isLoaded()) |
| load(); |
| |
| if (total == 0) |
| return fOKImages[0]; |
| int index= ((current*PROGRESS_STEPS)/total)-1; |
| index= Math.min(Math.max(0, index), PROGRESS_STEPS-1); |
| |
| if (errors + failures == 0) |
| return fOKImages[index]; |
| return fFailureImages[index]; |
| } |
| |
| boolean isLoaded() { |
| return fOKImages[0] != null; |
| } |
| } |