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

   1 package org.simantics.document.linking.ge;
   2
   3 import org.eclipse.swt.widgets.Display;
   4 import org.simantics.Simantics;
   5 import org.simantics.db.ReadGraph;
   6 import org.simantics.db.Resource;
   7 import org.simantics.db.common.request.ReadRequest;
   8 import org.simantics.db.exception.DatabaseException;
   9 import org.simantics.db.layer0.adapter.ActionFactory;
  10 import org.simantics.db.layer0.variable.Variable;
  11 import org.simantics.document.linking.ontology.DocumentLink;
  12 import org.simantics.document.linking.utils.SourceLinkUtil;
  13 import org.simantics.ui.workbench.editor.EditorAdapter;
  14 import org.simantics.ui.workbench.editor.EditorRegistry;
  15 import org.simantics.utils.ui.ExceptionUtils;
  16
  17 public class ShowDocumentAction implements ActionFactory{
  18
  19
  20         @Override
  21         public Runnable create(Object target) {
  22                 if (!(target instanceof Variable))
  23                         return null;
  24                 final Variable v = (Variable)target;
  25
  26
  27                 return new Runnable() {
  28
  29                         @Override
  30                         public void run() {
  31                                 Simantics.getSession().asyncRequest(new ReadRequest() {
  32
  33                                         @Override
  34                                         public void run(ReadGraph graph) throws DatabaseException {
  35                                                 DocumentLink sl = DocumentLink.getInstance(graph);
  36                                                 Resource t = v.getPossibleRepresents(graph);
  37                                                 if (!graph.isInstanceOf(t, sl.Source))
  38                                                         return;
  39                                                 final Resource reference = SourceLinkUtil.getReferredDocument(graph, t);
  40                                                 if (reference == null)
  41                                                         return;
  42                                                 EditorAdapter[] adapters = EditorRegistry.getInstance().getAdaptersFor(graph, reference);
  43                                                 if (adapters.length == 0)
  44                                                         return;
  45                                                 EditorAdapter highPri = null;
  46                                                 int pri = Integer.MIN_VALUE;
  47                                                 for (EditorAdapter a : adapters) {
  48                                                         int p = a.getPriority();
  49                                                         if (highPri == null || p > pri) {
  50                                                                 highPri = a;
  51                                                                 pri = p;
  52                                                         }
  53                                                 }
  54                                                 final EditorAdapter adapter = highPri;
  55                                                 Display.getDefault().asyncExec(new Runnable() {
  56
  57                                                         @Override
  58                                                         public void run() {
  59                                                                 try {
  60                                                                         adapter.openEditor(reference);
  61                                                                 } catch (Exception e) {
  62                                                                         ExceptionUtils.logAndShowError("Cannot open editor", e);
  63                                                                 }
  64                                                         }
  65                                                 });
  66
  67
  68                                         }
  69                                 });
  70
  71                         }
  72                 };
  73
  74
  75         }
  76
  77 }