bundles/org.simantics.browsing.ui.common/src/org/simantics/browsing/ui/common/processors/DefaultImageDecoratorProcessor.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.ImageDecoratorKey;
  15 import org.simantics.browsing.ui.NodeContext;
  16 import org.simantics.browsing.ui.NodeContext.PrimitiveQueryKey;
  17 import org.simantics.browsing.ui.PrimitiveQueryUpdater;
  18 import org.simantics.browsing.ui.content.ImageDecorator;
  19 import org.simantics.browsing.ui.content.ImageDecoratorFactory;
  20
  21 public class DefaultImageDecoratorProcessor extends AbstractPrimitiveQueryProcessor<ImageDecorator> {
  22
  23     @Override
  24     public Object getIdentifier() {
  25         return ImageDecoratorKey.class;
  26     }
  27
  28     @Override
  29     public ImageDecorator query(PrimitiveQueryUpdater updater, NodeContext context, PrimitiveQueryKey<ImageDecorator> key) {
  30         ImageDecoratorKey k = (ImageDecoratorKey) key;
  31         final ImageDecoratorFactory factory = k.getParameter(0);
  32         if (factory == null)
  33             return null;
  34         return factory.create(updater, context, k);
  35     }
  36
  37     @Override
  38     public String toString() {
  39         return "ImageDecoratorProcessor";
  40     }
  41
  42 }