bundles/org.simantics.browsing.ui.swt/src/org/simantics/browsing/ui/swt/OldAdapterImagerFactory.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.swt;
  13
  14 import java.util.HashMap;
  15 import java.util.function.Consumer;
  16
  17 import org.eclipse.core.runtime.IAdaptable;
  18 import org.eclipse.jface.resource.ImageDescriptor;
  19 import org.simantics.browsing.ui.BuiltinKeys;
  20 import org.simantics.browsing.ui.BuiltinKeys.ImagerKey;
  21 import org.simantics.browsing.ui.DataSource;
  22 import org.simantics.browsing.ui.NodeContext;
  23 import org.simantics.browsing.ui.PrimitiveQueryUpdater;
  24 import org.simantics.browsing.ui.common.EvaluatorData.Transformer;
  25 import org.simantics.browsing.ui.common.imagers.ContainerImager;
  26 import org.simantics.browsing.ui.content.Imager;
  27 import org.simantics.browsing.ui.content.ImagerFactory;
  28 import org.simantics.browsing.ui.graph.impl.MissingImageDescriptor;
  29 import org.simantics.db.ReadGraph;
  30 import org.simantics.db.Resource;
  31 import org.simantics.db.exception.DatabaseException;
  32 import org.simantics.ui.icons.ImageUtil;
  33 import org.simantics.utils.datastructures.cache.ProvisionException;
  34 import org.simantics.utils.ui.ErrorLogger;
  35
  36 /**
  37  * @deprecated favor {@link AdapterImagerFactory} instead
  38  */
  39 @Deprecated
  40 public class OldAdapterImagerFactory implements ImagerFactory {
  41
  42     private final Transformer transformer;
  43     private final HashMap<String, ImageDescriptor> constants;
  44     private final String resourceColumn;
  45
  46     public OldAdapterImagerFactory() {
  47         this(null);
  48     }
  49
  50     public OldAdapterImagerFactory(Transformer transformer) {
  51         this(transformer, null, new HashMap<String, ImageDescriptor>(4));
  52     }
  53
  54     public OldAdapterImagerFactory(Transformer transformer,
  55             String resourceColumn, HashMap<String, ImageDescriptor> constants) {
  56         this.transformer = transformer;
  57         this.constants = constants;
  58         this.resourceColumn = resourceColumn;
  59     }
  60
  61     private Resource getInputResource(final NodeContext context) {
  62         Object input = context.getConstant(BuiltinKeys.INPUT);
  63         if (transformer != null) {
  64             input = transformer.transform(input);
  65         }
  66
  67         if (input instanceof Resource)
  68             return (Resource) input;
  69         else if (input instanceof IAdaptable)
  70             return (Resource) (((IAdaptable) input).getAdapter(Resource.class));
  71         return null;
  72     }
  73
  74     @SuppressWarnings("unchecked")
  75     @Override
  76     public Imager create(final PrimitiveQueryUpdater updater, final NodeContext context, final ImagerKey key) {
  77         @SuppressWarnings("rawtypes")
  78         final ContainerImager result = new ContainerImager((HashMap<String, ImageDescriptor>) constants.clone());
  79         result.setImage(resourceColumn, MissingImageDescriptor.getInstance());
  80
  81         final DataSource<ReadGraph> source = updater.getDataSource(ReadGraph.class);
  82         final Resource inputResource = getInputResource(context);
  83
  84         source.schedule(new Consumer<ReadGraph>() {
  85             @Override
  86             public void accept(ReadGraph source) {
  87                 try {
  88                     ImageDescriptor descriptor = ImageUtil.adaptImageDescriptor(source, inputResource);
  89                     result.setImage(resourceColumn, descriptor);
  90                     updater.scheduleReplace(context, key, result);
  91                 } catch (ProvisionException e) {
  92                     ErrorLogger.defaultLogError(e);
  93                 } catch (DatabaseException e) {
  94                     ErrorLogger.defaultLogError(e);
  95                 }
  96             }
  97         });
  98
  99         return result;
 100     }
 101
 102 }