bundles/org.simantics.browsing.ui.common/src/org/simantics/browsing/ui/common/processors/DefaultViewpointProcessor.java

   1 /*******************************************************************************\r
   2  * Copyright (c) 2007, 2010 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.browsing.ui.common.processors;\r
  13 \r
  14 import org.simantics.browsing.ui.BuiltinKeys;\r
  15 import org.simantics.browsing.ui.NodeContext;\r
  16 import org.simantics.browsing.ui.PrimitiveQueryUpdater;\r
  17 import org.simantics.browsing.ui.BuiltinKeys.ViewpointKey;\r
  18 import org.simantics.browsing.ui.NodeContext.PrimitiveQueryKey;\r
  19 import org.simantics.browsing.ui.content.Viewpoint;\r
  20 import org.simantics.browsing.ui.content.ViewpointFactory;\r
  21 \r
  22 public class DefaultViewpointProcessor extends AbstractPrimitiveQueryProcessor<Viewpoint> {\r
  23 \r
  24     @Override\r
  25     public Object getIdentifier() {\r
  26         return BuiltinKeys.ViewpointKey.class;\r
  27     }\r
  28 \r
  29     @Override\r
  30     public String toString() {\r
  31         return "ViewpointProcessor";\r
  32     }\r
  33 \r
  34     @Override\r
  35     public Viewpoint query(PrimitiveQueryUpdater updater, NodeContext context, PrimitiveQueryKey<Viewpoint> key) {\r
  36         ViewpointKey k = (ViewpointKey) key;\r
  37         ViewpointFactory vf = k.getParameter(0);\r
  38         if (vf == null)\r
  39             return null;\r
  40         return vf.create(updater, context, k);\r
  41     }\r
  42 \r
  43 }