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

   1 /*******************************************************************************
   2  * Copyright (c) 2007, 2010 Association for Decentralized Information Management
   3  * in Industry THTH ry.
   4  * All rights reserved. This program and the accompanying materials
   5  * are made available under the terms of the Eclipse Public License v1.0
   6  * which accompanies this distribution, and is available at
   7  * http://www.eclipse.org/legal/epl-v10.html
   8  *
   9  * Contributors:
  10  *     VTT Technical Research Centre of Finland - initial API and implementation
  11  *******************************************************************************/
  12 package org.simantics.browsing.ui.common.processors;
  13
  14 import org.simantics.browsing.ui.BuiltinKeys;
  15 import org.simantics.browsing.ui.NodeContext;
  16 import org.simantics.browsing.ui.PrimitiveQueryUpdater;
  17 import org.simantics.browsing.ui.BuiltinKeys.ViewpointKey;
  18 import org.simantics.browsing.ui.NodeContext.PrimitiveQueryKey;
  19 import org.simantics.browsing.ui.content.Viewpoint;
  20 import org.simantics.browsing.ui.content.ViewpointFactory;
  21
  22 public class DefaultViewpointProcessor extends AbstractPrimitiveQueryProcessor<Viewpoint> {
  23
  24     @Override
  25     public Object getIdentifier() {
  26         return BuiltinKeys.ViewpointKey.class;
  27     }
  28
  29     @Override
  30     public String toString() {
  31         return "ViewpointProcessor";
  32     }
  33
  34     @Override
  35     public Viewpoint query(PrimitiveQueryUpdater updater, NodeContext context, PrimitiveQueryKey<Viewpoint> key) {
  36         ViewpointKey k = (ViewpointKey) key;
  37         ViewpointFactory vf = k.getParameter(0);
  38         if (vf == null)
  39             return null;
  40         return vf.create(updater, context, k);
  41     }
  42
  43 }