| /******************************************************************************* |
| * Copyright (c) 2000, 2004 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Common Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/cpl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.ant.internal.ui.editor.text; |
| |
| |
| import java.util.Iterator; |
| |
| import org.eclipse.core.resources.IMarker; |
| import org.eclipse.jface.resource.ImageRegistry; |
| import org.eclipse.jface.text.Assert; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.graphics.Image; |
| import org.eclipse.swt.widgets.Display; |
| import org.eclipse.ui.texteditor.MarkerAnnotation; |
| |
| public class XMLMarkerAnnotation extends MarkerAnnotation implements IXMLAnnotation { |
| private static final int NO_IMAGE= 0; |
| private static final int ORIGINAL_MARKER_IMAGE= 1; |
| private static final int OVERLAY_IMAGE= 4; |
| private static final int GRAY_IMAGE= 5; |
| |
| private static ImageRegistry fgGrayMarkersImageRegistry; |
| |
| private IXMLAnnotation fOverlay; |
| private boolean fNotRelevant= false; |
| private int fImageType; |
| |
| public XMLMarkerAnnotation(String annotationType, IMarker marker) { |
| super(annotationType, marker); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.texteditor.MarkerAnnotation#initialize() |
| */ |
| protected void initialize() { |
| fImageType= NO_IMAGE; |
| |
| super.initialize(); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.texteditor.IAnnotationExtension#getMessage() |
| */ |
| public String getMessage() { |
| IMarker marker= getMarker(); |
| if (marker == null || !marker.exists()) { |
| return ""; //$NON-NLS-1$ |
| } |
| |
| return marker.getAttribute(IMarker.MESSAGE, ""); //$NON-NLS-1$ |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.texteditor.IAnnotationExtension#isTemporary() |
| */ |
| public boolean isTemporary() { |
| return false; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ant.internal.ui.editor.text.IXMLAnnotation#isProblem() |
| */ |
| public boolean isProblem() { |
| return WARNING_ANNOTATION_TYPE.equals(getType()) || ERROR_ANNOTATION_TYPE.equals(getType()); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ant.internal.ui.editor.text.IXMLAnnotation#isRelevant() |
| */ |
| public boolean isRelevant() { |
| return !fNotRelevant; |
| } |
| |
| /** |
| * Overlays this annotation with the given xmlAnnotation. |
| * |
| * @param xmlAnnotation annotation that is overlaid by this annotation |
| */ |
| public void setOverlay(IXMLAnnotation xmlAnnotation) { |
| if (fOverlay != null) { |
| fOverlay.removeOverlaid(this); |
| } |
| |
| fOverlay= xmlAnnotation; |
| fNotRelevant= (fNotRelevant || fOverlay != null); |
| |
| if (xmlAnnotation != null) { |
| xmlAnnotation.addOverlaid(this); |
| } |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ant.internal.ui.editor.text.IXMLAnnotation#hasOverlay() |
| */ |
| public boolean hasOverlay() { |
| return fOverlay != null; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.texteditor.MarkerAnnotation#getImage(org.eclipse.swt.widgets.Display) |
| */ |
| public Image getImage(Display display) { |
| int newImageType= NO_IMAGE; |
| |
| if (hasOverlay()) { |
| newImageType= OVERLAY_IMAGE; |
| } else if (isRelevant()) { |
| newImageType= ORIGINAL_MARKER_IMAGE; |
| } else { |
| newImageType= GRAY_IMAGE; |
| } |
| |
| if (fImageType == newImageType && newImageType != OVERLAY_IMAGE) { |
| // Nothing changed - simply return the current image |
| return super.getImage(display); |
| } |
| |
| Image newImage= null; |
| switch (newImageType) { |
| case ORIGINAL_MARKER_IMAGE: |
| newImage= null; |
| break; |
| case OVERLAY_IMAGE: |
| newImage= fOverlay.getImage(display); |
| break; |
| case GRAY_IMAGE: |
| if (fImageType != ORIGINAL_MARKER_IMAGE) { |
| setImage(null); |
| } |
| Image originalImage= super.getImage(display); |
| if (originalImage != null) { |
| ImageRegistry imageRegistry= getGrayMarkerImageRegistry(display); |
| if (imageRegistry != null) { |
| String key= Integer.toString(originalImage.hashCode()); |
| Image grayImage= imageRegistry.get(key); |
| if (grayImage == null) { |
| grayImage= new Image(display, originalImage, SWT.IMAGE_GRAY); |
| imageRegistry.put(key, grayImage); |
| } |
| newImage= grayImage; |
| } |
| } |
| break; |
| default: |
| Assert.isLegal(false); |
| } |
| |
| fImageType= newImageType; |
| setImage(newImage); |
| return super.getImage(display); |
| } |
| |
| private ImageRegistry getGrayMarkerImageRegistry(Display display) { |
| if (fgGrayMarkersImageRegistry == null) { |
| fgGrayMarkersImageRegistry= new ImageRegistry(display); |
| } |
| return fgGrayMarkersImageRegistry; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ant.internal.ui.editor.text.IXMLAnnotation#addOverlaid(org.eclipse.ant.internal.ui.editor.text.IXMLAnnotation) |
| */ |
| public void addOverlaid(IXMLAnnotation annotation) { |
| // not supported |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ant.internal.ui.editor.text.IXMLAnnotation#removeOverlaid(org.eclipse.ant.internal.ui.editor.text.IXMLAnnotation) |
| */ |
| public void removeOverlaid(IXMLAnnotation annotation) { |
| // not supported |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ant.internal.ui.editor.text.IXMLAnnotation#getOverlaidIterator() |
| */ |
| public Iterator getOverlaidIterator() { |
| // not supported |
| return null; |
| } |
| } |