gerrit.simantics Code Review - simantics/sysdyn.git/blob

   1 /*******************************************************************************\r
   2  * Copyright (c) 2010, 2012 Association for Decentralized Information Management in\r
   3  * 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.sysdyn.ui.properties.widgets.modules;\r
  13 \r
  14 import java.util.HashMap;\r
  15 \r
  16 import org.eclipse.jface.viewers.CellEditor;\r
  17 import org.eclipse.jface.viewers.ComboBoxCellEditor;\r
  18 import org.eclipse.jface.viewers.EditingSupport;\r
  19 import org.eclipse.jface.viewers.TableViewer;\r
  20 import org.eclipse.jface.viewers.TextCellEditor;\r
  21 import org.eclipse.swt.SWT;\r
  22 import org.simantics.db.ReadGraph;\r
  23 import org.simantics.db.Resource;\r
  24 import org.simantics.db.common.request.ObjectsWithType;\r
  25 import org.simantics.db.exception.DatabaseException;\r
  26 import org.simantics.db.request.Read;\r
  27 import org.simantics.layer0.Layer0;\r
  28 import org.simantics.sysdyn.SysdynResource;\r
  29 import org.simantics.ui.SimanticsUI;\r
  30 \r
  31 public class ModuleInputEditingSupport extends EditingSupport {\r
  32     private CellEditor editor;\r
  33     private int column;\r
  34     private HashMap<String, Resource> optionResources;\r
  35     private String[] options;\r
  36     private TableViewer tableViewer;\r
  37 \r
  38     public ModuleInputEditingSupport(TableViewer viewer, int column) {\r
  39         super(viewer);\r
  40         this.tableViewer = (TableViewer)viewer;\r
  41         this.column = column;\r
  42     }\r
  43 \r
  44     @Override\r
  45     protected boolean canEdit(Object element) {\r
  46         switch (this.column) {\r
  47             case 0: return false;\r
  48             default: return true;\r
  49         }\r
  50     }\r
  51 \r
  52     \r
  53     @Override\r
  54     protected CellEditor getCellEditor(Object element) {\r
  55         // Create the correct editor based on the column index\r
  56         switch (column) {\r
  57             case 0: \r
  58                 editor = new TextCellEditor(this.tableViewer.getTable());\r
  59             case 1:\r
  60                 ReferenceRow row = (ReferenceRow)element;\r
  61                 final Resource module = row.getModule();\r
  62                 final Resource inputVariable = row.getVariable();\r
  63 \r
  64                 optionResources = new HashMap<String, Resource>();\r
  65                 try {\r
  66                     optionResources = SimanticsUI.getSession().syncRequest(new Read<HashMap<String, Resource>>() {\r
  67 \r
  68                         @Override\r
  69                         public HashMap<String, Resource> perform(ReadGraph graph) throws DatabaseException {\r
  70                                 Layer0 l0 = Layer0.getInstance(graph);\r
  71                             SysdynResource sr = SysdynResource.getInstance(graph);\r
  72                             HashMap<String, Resource> result = new HashMap<String, Resource>();\r
  73                             for(Resource dependency : graph.syncRequest(new ObjectsWithType(module, sr.Variable_isHeadOf, sr.Dependency))) {\r
  74                                 if(graph.getPossibleObject(dependency, sr.Dependency_refersTo) == null ||\r
  75                                         graph.getPossibleObject(dependency, sr.Dependency_refersTo).equals(inputVariable)) {\r
  76                                     Resource output = graph.getSingleObject(dependency, sr.Variable_HasTail);\r
  77                                     \r
  78                                     if(graph.isInstanceOf(output, sr.Shadow)) {\r
  79                                         output = graph.getPossibleObject(output, sr.Shadow_original);\r
  80                                     }\r
  81                                     \r
  82                                     if(output != null)\r
  83                                         result.put((String)graph.getRelatedValue(output, l0.HasName), dependency);\r
  84                                 }\r
  85                             }\r
  86                             return result;\r
  87                         }\r
  88                     });\r
  89                 } catch (DatabaseException e) {\r
  90                     e.printStackTrace();\r
  91                 }\r
  92 \r
  93                 options = optionResources.keySet().toArray(new String[optionResources.keySet().size() + 1]);\r
  94                 options[optionResources.keySet().size()] = "";\r
  95                 ComboBoxCellEditor ceditor = new ComboBoxCellEditor(this.tableViewer.getTable(), options, SWT.READ_ONLY);\r
  96                 ceditor.setActivationStyle(1);\r
  97                 editor = ceditor;\r
  98                 break;\r
  99             default:\r
 100                 editor = null;\r
 101         }\r
 102 \r
 103         return editor;\r
 104     }\r
 105 \r
 106     @Override\r
 107     protected Object getValue(Object element) {\r
 108         ReferenceRow referenceRow = (ReferenceRow) element;\r
 109 \r
 110         switch (this.column) {\r
 111             case 0:\r
 112                 return referenceRow.getName();\r
 113             case 1:\r
 114                 String refersToName = referenceRow.getValue();\r
 115                 if (refersToName == null) return options.length - 1;\r
 116                 for(int i = 0; i < options.length ; i++) {\r
 117                     if(refersToName.equals(options[i])) return i;\r
 118                 }\r
 119                 return options[options.length - 1];\r
 120             default:\r
 121                 break;\r
 122         }\r
 123         return null;\r
 124     }\r
 125 \r
 126     @Override\r
 127     protected void setValue(Object element, Object value) {\r
 128         ReferenceRow referenceRow = (ReferenceRow) element;\r
 129         String valueString = String.valueOf(value);\r
 130         switch (this.column) {\r
 131             case 0:\r
 132                 break;\r
 133             case 1:\r
 134                 referenceRow.setRefersTo(optionResources.get(options[Integer.parseInt(valueString)]));\r
 135                 break;\r
 136             default:\r
 137                 break;\r
 138         }\r
 139 \r
 140         getViewer().update(element, null);\r
 141     }\r
 142 \r
 143 }\r