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

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