1 package org.simantics.document.linking.ge;
3 import org.eclipse.jface.resource.ImageDescriptor;
4 import org.eclipse.jface.viewers.IDecoration;
5 import org.simantics.browsing.ui.content.ImageDecorator;
6 import org.simantics.browsing.ui.model.imagedecorators.ImageDecorationRule;
7 import org.simantics.db.ReadGraph;
8 import org.simantics.db.Resource;
9 import org.simantics.db.exception.DatabaseException;
10 import org.simantics.db.layer0.variable.Variable;
11 import org.simantics.document.DocumentResource;
12 import org.simantics.document.linking.Activator;
13 import org.simantics.document.linking.ontology.DocumentLink;
14 import org.simantics.document.linking.utils.SourceLinkUtil;
15 import org.simantics.utils.ui.gfx.DecorationOverlayIcon;
17 public class VariableImageDecorationRule implements ImageDecorationRule{
20 public boolean isCompatible(Class<?> contentType) {
21 return contentType.equals(Variable.class);
25 public ImageDecorator getImageDecorator(ReadGraph graph, Object content)
26 throws DatabaseException {
27 Variable v = (Variable)content;
28 Resource r = v.getPossibleRepresents(graph);
32 DocumentLink sl = DocumentLink.getInstance(graph);
33 DocumentResource doc = DocumentResource.getInstance(graph);
35 if (graph.isInstanceOf(r, sl.Source)) {
36 Resource reference = SourceLinkUtil.getReferredDocument(graph, r);
37 if (reference != null) {
38 if (graph.hasStatement(reference,doc.HasNewerVersion))
39 return new Dec(Activator.getDefault().clock_red);
41 return new Dec(Activator.getDefault().cross);
47 private class Dec implements ImageDecorator {
48 private ImageDescriptor decorator;
50 public Dec(ImageDescriptor decorator) {
51 this.decorator = decorator;
53 @SuppressWarnings("unchecked")
54 public <Image extends Object> Image decorateImage(Image image, String column, int itemIndex) {
55 return (Image) getDecoration((ImageDescriptor) image,decorator);
59 private ImageDescriptor getDecoration(ImageDescriptor original, ImageDescriptor decorator) {
60 return (original == null) ? decorator:
61 new DecorationOverlayIcon(original, decorator, IDecoration.BOTTOM_RIGHT);