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