bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/diagramEditor/handlers/DisconnectFlagHandler.java

   1 /*******************************************************************************\r
   2  * Copyright (c) 2015 Association for Decentralized Information Management\r
   3  * in 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  *     Semantum Oy - initial API and implementation\r
  11  *******************************************************************************/\r
  12 package org.simantics.modeling.ui.diagramEditor.handlers;\r
  13 \r
  14 import java.util.ArrayList;\r
  15 import java.util.Set;\r
  16 \r
  17 import org.eclipse.core.commands.AbstractHandler;\r
  18 import org.eclipse.core.commands.ExecutionEvent;\r
  19 import org.eclipse.core.commands.ExecutionException;\r
  20 import org.eclipse.core.runtime.IProgressMonitor;\r
  21 import org.eclipse.core.runtime.IStatus;\r
  22 import org.eclipse.core.runtime.Status;\r
  23 import org.eclipse.core.runtime.jobs.Job;\r
  24 import org.eclipse.jface.viewers.ISelection;\r
  25 import org.eclipse.ui.handlers.HandlerUtil;\r
  26 import org.simantics.DatabaseJob;\r
  27 import org.simantics.db.Resource;\r
  28 import org.simantics.db.WriteGraph;\r
  29 import org.simantics.db.common.request.WriteRequest;\r
  30 import org.simantics.db.exception.DatabaseException;\r
  31 import org.simantics.modeling.actions.DisconnectFlag;\r
  32 import org.simantics.modeling.ui.Activator;\r
  33 import org.simantics.ui.SimanticsUI;\r
  34 import org.simantics.utils.ui.ISelectionUtils;\r
  35 \r
  36 /**\r
  37  * @author Tuukka Lehtonen\r
  38  */\r
  39 public class DisconnectFlagHandler extends AbstractHandler {\r
  40 \r
  41     @Override\r
  42     public Object execute(ExecutionEvent event) throws ExecutionException {\r
  43         ISelection sel = HandlerUtil.getCurrentSelection(event);\r
  44         final Set<Resource> resources = ISelectionUtils.filterSetSelection(sel, Resource.class);\r
  45         if (resources.isEmpty())\r
  46             return null;\r
  47 \r
  48         Job job = new DatabaseJob("Disconnect Flags") {\r
  49             @Override\r
  50             protected IStatus run(IProgressMonitor monitor) {\r
  51                 try {\r
  52                     SimanticsUI.getSession().syncRequest(new WriteRequest() {\r
  53                         @Override\r
  54                         public void perform(WriteGraph graph) throws DatabaseException {\r
  55                             graph.markUndoPoint();\r
  56                             DisconnectFlag.disconnectFlags(graph, new ArrayList<>(resources));\r
  57                         }\r
  58                     });\r
  59                     return Status.OK_STATUS;\r
  60                 } catch (DatabaseException e) {\r
  61                     return new Status(IStatus.ERROR, Activator.PLUGIN_ID, "Failed to disconnect flags.", e); \r
  62                 }\r
  63             }\r
  64         };\r
  65         job.schedule();\r
  66         return null;\r
  67     }\r
  68 \r
  69 }\r