bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/modelBrowser2/image/ChangedResourceImageDecorationRule.java

   1 package org.simantics.modeling.ui.modelBrowser2.image;
   2
   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.modeling.ModelingResources;
  11 import org.simantics.modeling.ui.Activator;
  12 import org.simantics.utils.ui.gfx.DecorationOverlayIcon;
  13
  14 public class ChangedResourceImageDecorationRule implements ImageDecorationRule {
  15
  16     private ImageDecorator CHANGED_DECORATOR = new ImageDecorator() {
  17         @Override
  18         public <Image> Image decorateImage(Image image, String column, int itemIndex) {
  19             ImageDescriptor original = (ImageDescriptor)image;
  20             ImageDescriptor decorated = (original == null || original.getImageData() == null) ? Activator.CHANGED_DECORATOR_ICON
  21                     : new DecorationOverlayIcon(original, Activator.CHANGED_DECORATOR_ICON, IDecoration.BOTTOM_RIGHT);
  22             return (Image)decorated;
  23         }
  24     };
  25
  26     @Override
  27     public boolean isCompatible(Class<?> contentType) {
  28         return Resource.class.isAssignableFrom(contentType);
  29     }
  30
  31     @Override
  32     public ImageDecorator getImageDecorator(ReadGraph graph, Object content)
  33             throws DatabaseException
  34     {
  35         Resource resource = (Resource) content;
  36         ModelingResources MOD = ModelingResources.getInstance(graph);
  37         if (!graph.hasStatement(resource, MOD.changed))
  38             return null;
  39
  40         return CHANGED_DECORATOR;
  41     }
  42
  43 }