bundles/org.simantics.selectionview/src/org/simantics/selectionview/VariableTabContribution.java

   1 package org.simantics.selectionview;\r
   2 \r
   3 import java.util.Collection;\r
   4 \r
   5 import org.eclipse.swt.SWT;\r
   6 import org.eclipse.swt.widgets.Composite;\r
   7 import org.eclipse.swt.widgets.Event;\r
   8 import org.eclipse.swt.widgets.Listener;\r
   9 import org.eclipse.ui.IWorkbenchSite;\r
  10 import org.simantics.Simantics;\r
  11 import org.simantics.databoard.Bindings;\r
  12 import org.simantics.db.ReadGraph;\r
  13 import org.simantics.db.Resource;\r
  14 import org.simantics.db.common.utils.Functions;\r
  15 import org.simantics.db.common.utils.Logger;\r
  16 import org.simantics.db.exception.DatabaseException;\r
  17 import org.simantics.db.layer0.variable.Variable;\r
  18 import org.simantics.db.layer0.variable.Variables;\r
  19 import org.simantics.layer0.Layer0;\r
  20 import org.simantics.scl.runtime.function.Function;\r
  21 import org.simantics.views.swt.SWTViewLoaderProcess;\r
  22 import org.simantics.views.swt.client.base.SWTRoot;\r
  23 \r
  24 public class VariableTabContribution implements TabContribution<Variable> {\r
  25 \r
  26         final private Resource configuration;\r
  27 \r
  28         public VariableTabContribution(ReadGraph graph, Resource configuration) throws DatabaseException {\r
  29                 this.configuration = configuration;\r
  30         }\r
  31 \r
  32         @Override\r
  33         public boolean accept(ReadGraph graph, Object input) {\r
  34                 return (input instanceof Variable);\r
  35         }\r
  36 \r
  37         @Override\r
  38         public void contribute(ReadGraph graph, final Variable variable, Collection<ComparableTabContributor> result) throws DatabaseException {\r
  39 \r
  40                 Layer0 L0 = Layer0.getInstance(graph);\r
  41                 SelectionViewResources SEL = SelectionViewResources.getInstance(graph);\r
  42 \r
  43                 Resource view = graph.getPossibleObject(configuration, SEL.VariableTabContribution_HasView);\r
  44                 if(view == null) throw new DatabaseException("No view for " + graph.getPossibleURI(configuration));\r
  45 \r
  46                 Integer priority = graph.getPossibleRelatedValue(configuration, SEL.VariableTabContribution_HasPriority, Bindings.INTEGER);\r
  47                 String label = graph.getPossibleRelatedValue(configuration, L0.HasLabel);\r
  48                 \r
  49                 for(Resource r : graph.getObjects(configuration, SEL.VariableTabContribution_HasTest)) {\r
  50                         Boolean pass = Functions.exec(graph, r, graph, variable);\r
  51                         if(!pass) return;\r
  52                 }\r
  53                 \r
  54                 Variable configurationVariable = Variables.getVariable(graph, configuration);\r
  55                 Function f = configurationVariable.getPossiblePropertyValue(graph, SEL.AbstractVariableTabContribution_testFunction);\r
  56                 if(f != null) {\r
  57                         Boolean pass = Simantics.<Boolean>applySCLRead(graph, f, variable);\r
  58                         if(!pass) return;\r
  59                 }\r
  60 \r
  61                 final String viewURI = graph.getPossibleURI(view);\r
  62                 \r
  63                 result.add(new ComparableTabContributor(new ModelledTabContributor() {\r
  64 \r
  65                         @Override\r
  66                         public void createControls(Composite body, IWorkbenchSite site) {\r
  67 \r
  68                                 try {\r
  69 \r
  70                                         final SWTViewLoaderProcess loader = new SWTViewLoaderProcess(null, site);\r
  71                                         SWTRoot root = loader.load(viewURI, runtime);\r
  72                                         root.createControls(body);\r
  73                                         body.addListener(SWT.Dispose, new Listener() {\r
  74                                                 \r
  75                                                 @Override\r
  76                                                 public void handleEvent(Event event) {\r
  77                                                         if(!loader.isDisposed())\r
  78                                                                 loader.dispose();\r
  79                                                 }\r
  80                                                 \r
  81                                         });\r
  82 \r
  83                                 } catch (DatabaseException e) {\r
  84 \r
  85                                         e.printStackTrace();\r
  86                                         Logger.defaultLogError(e);\r
  87 \r
  88                                 }\r
  89 \r
  90                         }\r
  91 \r
  92                 }, priority, variable, label));\r
  93 \r
  94         }\r
  95 \r
  96 }\r