bundles/org.simantics.browsing.ui.swt/src/org/simantics/browsing/ui/swt/ArrayPropertyImagerFactory.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 org.eclipse.jface.resource.ImageDescriptor;\r
  15 import org.simantics.browsing.ui.BuiltinKeys;\r
  16 import org.simantics.browsing.ui.BuiltinKeys.ImagerKey;\r
  17 import org.simantics.browsing.ui.DataSource;\r
  18 import org.simantics.browsing.ui.NodeContext;\r
  19 import org.simantics.browsing.ui.PrimitiveQueryUpdater;\r
  20 import org.simantics.browsing.ui.common.ColumnKeys;\r
  21 import org.simantics.browsing.ui.common.imagers.ContainerImager;\r
  22 import org.simantics.browsing.ui.common.property.IArrayProperty;\r
  23 import org.simantics.browsing.ui.content.Imager;\r
  24 import org.simantics.browsing.ui.content.ImagerFactory;\r
  25 import org.simantics.db.ReadGraph;\r
  26 import org.simantics.db.Resource;\r
  27 import org.simantics.db.exception.DatabaseException;\r
  28 import org.simantics.ui.icons.ImageUtil;\r
  29 import org.simantics.utils.ui.BundleUtils;\r
  30 \r
  31 /**\r
  32  * A basic imager factory with support for both Resource and IArrayProperty.\r
  33  * \r
  34  * @author Tuukka Lehtonen\r
  35  */\r
  36 public class ArrayPropertyImagerFactory implements ImagerFactory {\r
  37 \r
  38     @SuppressWarnings("unchecked")\r
  39     @Override\r
  40     public Imager create(final PrimitiveQueryUpdater updater, final NodeContext context, final ImagerKey key) {\r
  41         assert updater != null;\r
  42         assert context != null;\r
  43 \r
  44         @SuppressWarnings("rawtypes")\r
  45         final ContainerImager result = new ContainerImager();\r
  46         final DataSource<ReadGraph> source = updater.getDataSource(ReadGraph.class);\r
  47         if (source == null)\r
  48             return result;\r
  49 \r
  50         Object o = context.getConstant(BuiltinKeys.INPUT);\r
  51         if (o instanceof IArrayProperty) {\r
  52             IArrayProperty prop = (IArrayProperty) o;\r
  53 \r
  54             if (prop.getRange().size() > 1) {\r
  55                 // Only show the segment image for non-single-item slices of the\r
  56                 // property root node. Otherwise just use the image resolved\r
  57                 // through normal means.\r
  58                 if (prop.isSlice()) {\r
  59                     result.setImage(ColumnKeys.PROPERTY,\r
  60                             BundleUtils.getImageDescriptorFromPlugin(\r
  61                                     "org.simantics.browsing.ui.common", "/icons/segment_edit.gif"));\r
  62                     return result;\r
  63                 }\r
  64             } else {\r
  65                 // No image for single-item slices of the property.\r
  66                 return result;\r
  67             }\r
  68         }\r
  69 \r
  70         final Resource inputResource = (Resource) context.getAdapter(Resource.class);\r
  71         if (inputResource == null)\r
  72             return result;\r
  73 \r
  74         source.schedule(graph -> {\r
  75             ImageDescriptor descriptor;\r
  76             try {\r
  77                 descriptor = ImageUtil.adaptImageDescriptor(graph, inputResource);\r
  78                 result.setImage(ColumnKeys.PROPERTY, descriptor);\r
  79                 updater.scheduleReplace(context, key, result);\r
  80             } catch (DatabaseException e) {\r
  81                 e.printStackTrace();\r
  82             }\r
  83         });\r
  84 \r
  85         return result;\r
  86     }\r
  87 \r
  88 }\r