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

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