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

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