bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/diagramEditor/OpenDiagramFromIssue.java

   1 /*******************************************************************************
   2  * Copyright (c) 2007, 2010 Association for Decentralized Information Management
   3  * in 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.diagramEditor;
  13
  14 import java.util.ArrayList;
  15 import java.util.Collection;
  16 import java.util.Collections;
  17
  18 import org.simantics.db.ReadGraph;
  19 import org.simantics.db.Resource;
  20 import org.simantics.db.common.request.ReadRequest;
  21 import org.simantics.db.common.utils.ListUtils;
  22 import org.simantics.db.exception.DatabaseException;
  23 import org.simantics.diagram.content.ConnectionUtil;
  24 import org.simantics.diagram.flag.FlagUtil;
  25 import org.simantics.diagram.stubs.DiagramResource;
  26 import org.simantics.issues.ontology.IssueResource;
  27 import org.simantics.layer0.Layer0;
  28 import org.simantics.modeling.ModelingResources;
  29 import org.simantics.modeling.ui.Activator;
  30 import org.simantics.ui.SimanticsUI;
  31 import org.simantics.ui.workbench.editor.AbstractResourceEditorAdapter;
  32
  33 /**
  34  * @author Tuukka Lehtonen
  35  */
  36 public class OpenDiagramFromIssue extends AbstractResourceEditorAdapter {
  37
  38     private static final String EDITOR_ID = "org.simantics.modeling.ui.plainDiagramEditor";
  39
  40     public OpenDiagramFromIssue() {
  41         super("Open Diagram Containing Referenced Element", Activator.COMPOSITE_ICON);
  42     }
  43
  44     protected String getEditorId() {
  45         return EDITOR_ID;
  46     }
  47
  48     @Override
  49     public boolean canHandle(ReadGraph g, Resource r) throws DatabaseException {
  50         return findElement(g, r) != null;
  51     }
  52
  53     @Override
  54     public void openEditor(final Resource r) throws Exception {
  55         SimanticsUI.getSession().asyncRequest(new ReadRequest() {
  56             @Override
  57             public void run(ReadGraph g) throws DatabaseException {
  58
  59                 Layer0 L0 = Layer0.getInstance(g);
  60                 ModelingResources MOD = ModelingResources.getInstance(g);
  61
  62                 Resource element = findElement(g, r);
  63                 if(element == null) return;
  64
  65                 System.err.println("element " + g.getURI(element));
  66
  67                 Resource diagram = g.getSingleObject(element, L0.PartOf);
  68                 Resource composite = g.getSingleObject(diagram, MOD.DiagramToComposite);
  69
  70                 OpenDiagramFromConfigurationAdapter.openEditor(g, composite, getEditorId(), Collections.<Object>singleton(element));
  71
  72             }
  73         });
  74     }
  75
  76     private static Resource findConfigurationForElement(ReadGraph graph, Resource element) throws DatabaseException {
  77
  78         Layer0 L0 = Layer0.getInstance(graph);
  79         ModelingResources MOD = ModelingResources.getInstance(graph);
  80
  81         Resource diagram = graph.getPossibleObject(element, L0.PartOf);
  82         if (diagram == null) return null;
  83
  84         return graph.getPossibleObject(diagram, MOD.DiagramToComposite);
  85
  86     }
  87
  88     private static Resource findElement(ReadGraph graph, Resource issue) throws DatabaseException {
  89
  90         IssueResource ISSUE = IssueResource.getInstance(graph);
  91         DiagramResource DIA = DiagramResource.getInstance(graph);
  92
  93         if(!graph.isInstanceOf(issue, ISSUE.Issue)) return null;
  94
  95         Resource list = graph.getSingleObject(issue, ISSUE.Issue_HasContexts);
  96         for(Resource context : ListUtils.toList(graph, list)) {
  97                 if(graph.isInstanceOf(context, DIA.Element) && !graph.isInstanceOf(context, DIA.Diagram)) {
  98                         return context;
  99                 }
 100
 101         }
 102
 103         return null;
 104
 105     }
 106
 107     public static Collection<Object> findElementObjects(ReadGraph g, Resource module) throws DatabaseException {
 108         DiagramResource DIA = DiagramResource.getInstance(g);
 109         ModelingResources MOD = ModelingResources.getInstance(g);
 110         final Collection<Object> selectedObjects = new ArrayList<Object>();
 111         for (Resource element : g.getObjects(module, MOD.ComponentToElement)) {
 112             if (g.isInstanceOf(element, DIA.Flag) && FlagUtil.isExternal(g, element)) {
 113                 // Use external flag primarily if one exists in the correspondences
 114                 selectedObjects.clear();
 115                 selectedObjects.add(element);
 116                 break;
 117             } else if (g.isInstanceOf(element, DIA.RouteGraphConnection)) {
 118                 selectedObjects.add(element);
 119             } else if (g.isInstanceOf(element, DIA.Connection)) {
 120                 // Okay, we need to find a part of the connection
 121                 ConnectionUtil cu = new ConnectionUtil(g);
 122                 cu.gatherConnectionParts(element, selectedObjects);
 123             } else {
 124                 selectedObjects.add(element);
 125             }
 126         }
 127         for(Resource element : g.getObjects(module, MOD.HasParentComponent_Inverse)) {
 128                 selectedObjects.add(element);
 129         }
 130         return selectedObjects;
 131     }
 132
 133 }