bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/typicals/NewTypicalDiagramInstance.java

   1 /*******************************************************************************
   2  * Copyright (c) 2012 Association for Decentralized Information Management in
   3  * Industry THTH ry.
   4  * All rights reserved. This program and the accompanying materials
   5  * are made available under the terms of the Eclipse Public License v1.0
   6  * which accompanies this distribution, and is available at
   7  * http://www.eclipse.org/legal/epl-v10.html
   8  *
   9  * Contributors:
  10  *     VTT Technical Research Centre of Finland - initial API and implementation
  11  *******************************************************************************/
  12 package org.simantics.modeling.ui.typicals;
  13
  14 import java.util.Collection;
  15 import java.util.concurrent.atomic.AtomicReference;
  16 import java.util.function.Consumer;
  17
  18 import org.eclipse.core.runtime.IProgressMonitor;
  19 import org.eclipse.core.runtime.IStatus;
  20 import org.eclipse.core.runtime.Status;
  21 import org.eclipse.core.runtime.jobs.Job;
  22 import org.eclipse.jface.viewers.LabelProvider;
  23 import org.eclipse.jface.window.Window;
  24 import org.eclipse.swt.widgets.Shell;
  25 import org.eclipse.ui.IWorkbenchWindow;
  26 import org.eclipse.ui.PlatformUI;
  27 import org.simantics.DatabaseJob;
  28 import org.simantics.Simantics;
  29 import org.simantics.db.ReadGraph;
  30 import org.simantics.db.Resource;
  31 import org.simantics.db.Session;
  32 import org.simantics.db.common.request.UniqueRead;
  33 import org.simantics.db.exception.CancelTransactionException;
  34 import org.simantics.db.exception.DatabaseException;
  35 import org.simantics.db.layer0.adapter.ActionFactory;
  36 import org.simantics.db.layer0.request.PossibleModel;
  37 import org.simantics.modeling.ModelingResources;
  38 import org.simantics.modeling.ui.Activator;
  39 import org.simantics.scl.runtime.function.Function2;
  40 import org.simantics.ui.workbench.dialogs.ElementListSelectionDialog;
  41 import org.simantics.utils.ui.SWTUtils;
  42
  43 /**
  44  * @author Tuukka Lehtonen
  45  */
  46 public class NewTypicalDiagramInstance implements ActionFactory {
  47
  48     @Override
  49     public Runnable create(Object target_) {
  50         Resource target = (Resource) target_;
  51         return () -> {
  52             Job job = new DatabaseJob("Instantiate Typical") {
  53                 @Override
  54                 protected IStatus run(IProgressMonitor monitor) {
  55                     monitor.beginTask("Instantiate Typical...", IProgressMonitor.UNKNOWN);
  56
  57                     Session session = Simantics.getSession();
  58                     session.markUndoPoint();
  59                     try {
  60                         AtomicReference<Resource> model = new AtomicReference<Resource>();
  61                         Function2<Resource, Resource, Resource> instantiator = session.syncRequest(new UniqueRead<Function2<Resource, Resource, Resource>>() {
  62                             @Override
  63                             public Function2<Resource, Resource, Resource> perform(ReadGraph graph) throws DatabaseException {
  64                                 model.set( graph.sync(new PossibleModel(target)) );
  65                                 if (model.get() == null)
  66                                     throw new CancelTransactionException("Cannot find a model from the input selection. Typical diagram instantiation not possible.");
  67
  68                                 ModelingResources MOD = ModelingResources.getInstance(graph);
  69                                 Function2<Resource, Resource, Resource> instantiator = graph.getRelatedValue2(model.get(), MOD.StructuralModel_typicalInstantiationFunction);
  70                                 return instantiator;
  71                             }
  72                         });
  73
  74                         instantiator.apply(model.get(), target);
  75
  76                         return Status.OK_STATUS;
  77                     } catch (CancelTransactionException e) {
  78                         return new Status(IStatus.INFO , Activator.PLUGIN_ID, e.getMessage());
  79                     } catch (DatabaseException e) {
  80                         return new Status(IStatus.ERROR, Activator.PLUGIN_ID, e.getMessage(), e);
  81                     } finally {
  82                         monitor.done();
  83                     }
  84                 }
  85             };
  86             //job.setUser(true);
  87             job.schedule();
  88         };
  89     }
  90
  91     public static <T> void asyncQueryFromList(final Collection<T> elements, final Consumer<T> callback) {
  92         SWTUtils.asyncExec(PlatformUI.getWorkbench().getDisplay(), () -> {
  93             T result = queryFromList(elements);
  94             if (callback != null)
  95                 callback.accept(result);
  96         });
  97     }
  98
  99     @SuppressWarnings("unchecked")
 100         public static <T> T queryFromList(final Collection<T> elements) {
 101         IWorkbenchWindow window = PlatformUI.getWorkbench().getActiveWorkbenchWindow();
 102         Shell shell = window != null ? window.getShell() : null;
 103
 104         ElementListSelectionDialog dialog = new ElementListSelectionDialog(shell, new LabelProvider());
 105         dialog.setBlockOnOpen(true);
 106         dialog.setTitle("Select Template Typical Diagram");
 107         dialog.setMessage("Select typical diagram to copy (? = any character, * = any string):");
 108         dialog.setMultipleSelection(false);
 109         dialog.setMatchEmptyString(true);
 110         dialog.setElements(elements);
 111         if (dialog.open() != Window.OK)
 112             return null;
 113
 114         return (T) dialog.getFirstResult();
 115     }
 116
 117 }