bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/actions/MergeFlagsAction.java

   1 package org.simantics.modeling.ui.actions;
   2
   3 import gnu.trove.set.hash.THashSet;
   4
   5 import java.lang.reflect.InvocationTargetException;
   6 import java.util.ArrayList;
   7
   8 import org.eclipse.core.runtime.IProgressMonitor;
   9 import org.eclipse.core.runtime.SubMonitor;
  10 import org.eclipse.jface.dialogs.ProgressMonitorDialog;
  11 import org.eclipse.jface.operation.IRunnableWithProgress;
  12 import org.eclipse.swt.widgets.Shell;
  13 import org.eclipse.ui.PlatformUI;
  14 import org.simantics.Simantics;
  15 import org.simantics.db.Resource;
  16 import org.simantics.db.WriteGraph;
  17 import org.simantics.db.common.request.WriteRequest;
  18 import org.simantics.db.exception.CancelTransactionException;
  19 import org.simantics.db.exception.DatabaseException;
  20 import org.simantics.db.layer0.adapter.ActionFactory;
  21 import org.simantics.modeling.flags.MergeFlags;
  22 import org.simantics.utils.ui.ExceptionUtils;
  23
  24 /**
  25  * @author Hannu Niemist&ouml;
  26  * @author Tuukka Lehtonen
  27  */
  28 public class MergeFlagsAction implements ActionFactory {
  29
  30     @Override
  31     public Runnable create(Object target) {
  32         if (!(target instanceof Resource))
  33             return null;
  34
  35         Resource composite = (Resource) target;
  36         final THashSet<Resource> composites = new THashSet<Resource>();
  37         composites.add(composite);
  38
  39         return new Runnable() {
  40             @Override
  41             public void run() {
  42                 try {
  43                     IRunnableWithProgress runnable = new IRunnableWithProgress() {
  44                         @Override
  45                         public void run(final IProgressMonitor monitor) throws InvocationTargetException, InterruptedException {
  46                             final SubMonitor submonitor = SubMonitor.convert(monitor, "Merge Flags", 1000);
  47                             try {
  48                                 Simantics.getSession().sync(new WriteRequest() {
  49                                     @Override
  50                                     public void perform(WriteGraph graph) throws DatabaseException {
  51                                         graph.markUndoPoint();
  52
  53                                         SubMonitor expand = submonitor.newChild(10);
  54                                         expand.subTask("Expand Composite Set");
  55                                         MergeFlags.expandCompositeSet(graph, composites);
  56                                         if (monitor.isCanceled())
  57                                             throw new CancelTransactionException();
  58                                         expand.done();
  59
  60                                         SubMonitor collect = submonitor.newChild(490);
  61                                         collect.subTask("Collect flags");
  62                                         collect.setWorkRemaining(composites.size());
  63                                         ArrayList<ArrayList<Resource>> groups = new ArrayList<ArrayList<Resource>>();
  64                                         for(Resource composite : composites) {
  65                                             MergeFlags.collectFlagGroupsInComposite(graph, composite, groups);
  66                                             if (monitor.isCanceled())
  67                                                 throw new CancelTransactionException();
  68                                             collect.worked(1);
  69                                         }
  70                                         collect.done();
  71
  72                                         SubMonitor merge = submonitor.newChild(500);
  73                                         merge.subTask("Merge collected flags");
  74                                         merge.setWorkRemaining(composites.size());
  75                                         for(ArrayList<Resource> group : groups) {
  76                                             MergeFlags.merge(graph, group);
  77                                             if (monitor.isCanceled())
  78                                                 throw new CancelTransactionException();
  79                                             merge.worked(1);
  80                                         }
  81                                         merge.done();
  82                                     }
  83                                 });
  84                             } catch (CancelTransactionException e) {
  85                             } catch (DatabaseException e) {
  86                                 throw new InvocationTargetException(e);
  87                             } finally {
  88                                 monitor.done();
  89                             }
  90                         }
  91                     };
  92
  93                     Shell shell = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell();
  94                     new ProgressMonitorDialog(shell).run(true, true, runnable);
  95                 } catch (InvocationTargetException e) {
  96                     ExceptionUtils.logAndShowError(e.getTargetException());
  97                 } catch (InterruptedException e) {
  98                 }
  99             }
 100         };
 101     }
 102
 103 }