bundles/org.simantics.ui/src/org/simantics/ui/colors/RGBAdapter.java

   1 /*******************************************************************************\r
   2  * Copyright (c) 2007, 2011 Association for Decentralized Information Management\r
   3  * in Industry THTH ry.\r
   4  * All rights reserved. This program and the accompanying materials\r
   5  * are made available under the terms of the Eclipse Public License v1.0\r
   6  * which accompanies this distribution, and is available at\r
   7  * http://www.eclipse.org/legal/epl-v10.html\r
   8  *\r
   9  * Contributors:\r
  10  *     VTT Technical Research Centre of Finland - initial API and implementation\r
  11  *******************************************************************************/\r
  12 package org.simantics.ui.colors;\r
  13 \r
  14 import org.eclipse.swt.graphics.RGB;\r
  15 import org.simantics.databoard.Bindings;\r
  16 import org.simantics.databoard.binding.Binding;\r
  17 import org.simantics.db.AsyncReadGraph;\r
  18 import org.simantics.db.Resource;\r
  19 import org.simantics.db.common.adaption.ResourceAdapter;\r
  20 import org.simantics.db.procedure.AsyncProcedure;\r
  21 \r
  22 public class RGBAdapter implements ResourceAdapter<RGB> {\r
  23 \r
  24     public static class RGBDouble {\r
  25         public double red;\r
  26         public double green;\r
  27         public double blue;\r
  28     }\r
  29 \r
  30     public static final Binding BINDING = Bindings.getBindingUnchecked(RGBDouble.class);\r
  31 \r
  32     @Override\r
  33     public void adapt(AsyncReadGraph g, Resource source, Resource r, final AsyncProcedure<RGB> procedure) {\r
  34         g.forValue(r, BINDING, new AsyncProcedure<RGBDouble>() {\r
  35             @Override\r
  36             public void execute(AsyncReadGraph graph, RGBDouble result) {\r
  37                 procedure.execute(graph, \r
  38                         new RGB(\r
  39                                 (int)(result.red*255.0),\r
  40                                 (int)(result.green*255.0),\r
  41                                 (int)(result.blue*255.0)\r
  42                         )\r
  43                 );\r
  44             }\r
  45 \r
  46             @Override\r
  47             public void exception(AsyncReadGraph graph, Throwable throwable) {\r
  48                 procedure.exception(graph, throwable);\r
  49             }\r
  50         });\r
  51     }\r
  52 \r
  53 }\r