bundles/org.simantics.browsing.ui.common/src/org/simantics/browsing/ui/common/processors/DefaultViewpointContributionProcessor.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.ViewpointContributionKey;
  18 import org.simantics.browsing.ui.NodeContext.PrimitiveQueryKey;
  19 import org.simantics.browsing.ui.content.ViewpointContribution;
  20 import org.simantics.browsing.ui.content.ViewpointContributionFactory;
  21
  22 public class DefaultViewpointContributionProcessor extends AbstractPrimitiveQueryProcessor<ViewpointContribution> {
  23
  24     @Override
  25     public Object getIdentifier() {
  26         return BuiltinKeys.ViewpointContributionKey.class;
  27     }
  28
  29     @Override
  30     public String toString() {
  31         return "ViewpointContributionProcessor";
  32     }
  33
  34     @Override
  35     public ViewpointContribution query(PrimitiveQueryUpdater updater, NodeContext context, PrimitiveQueryKey<ViewpointContribution> key) {
  36
  37         ViewpointContributionKey k = (ViewpointContributionKey) key;
  38         ViewpointContributionFactory vcf = k.getParameter(0);
  39         if (vcf == null)
  40             return null;
  41         try {
  42                 return vcf.create(updater, context, k);
  43         } catch (Throwable t) {
  44                 t.printStackTrace();
  45                 return null;
  46         }
  47
  48     }
  49
  50 }