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

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