bundles/org.simantics.structural.ui/src/org/simantics/structural/ui/modelBrowser/contributions/ComponentTypeLockStatusImageDecorationRule.java

   1 package org.simantics.structural.ui.modelBrowser.contributions;
   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.structural.stubs.StructuralResource2;
  11 import org.simantics.structural.ui.Activator;
  12 import org.simantics.utils.ui.gfx.DecorationOverlayIcon;
  13
  14 public class ComponentTypeLockStatusImageDecorationRule implements ImageDecorationRule {
  15
  16     @Override
  17     public boolean isCompatible(Class<?> contentType) {
  18         return Resource.class.isAssignableFrom(contentType);
  19     }
  20
  21     @Override
  22     public ImageDecorator getImageDecorator(ReadGraph graph, Object content)
  23             throws DatabaseException {
  24         Resource resource = (Resource) content;
  25         StructuralResource2 STR = StructuralResource2.getInstance(graph);
  26         if(!graph.hasStatement(resource, STR.ComponentType_Locked))
  27             return null;
  28
  29         return new ImageDecorator() {
  30             @Override
  31             public <Image> Image decorateImage(Image image, String column, int itemIndex) {
  32                 ImageDescriptor original = (ImageDescriptor)image;
  33                 ImageDescriptor decorated = (original == null || original.getImageData() == null) ? Activator.LOCK
  34                         : new DecorationOverlayIcon(original, Activator.LOCK, IDecoration.TOP_RIGHT);
  35                 return (Image)decorated;
  36             }
  37         };
  38     }
  39
  40 }