bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/diagramEditor/PlainDiagramViewer.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.Collections;
  15 import java.util.Set;
  16
  17 import org.simantics.db.common.request.ParametrizedRead;
  18 import org.simantics.db.layer0.request.combinations.Combinators;
  19 import org.simantics.diagram.participant.PointerInteractor2;
  20 import org.simantics.g2d.canvas.ICanvasContext;
  21 import org.simantics.g2d.diagram.DiagramHints;
  22 import org.simantics.g2d.diagram.IDiagram;
  23 import org.simantics.g2d.diagram.participant.pointertool.PointerInteractor;
  24 import org.simantics.g2d.layers.ILayer;
  25 import org.simantics.g2d.layers.ILayers;
  26 import org.simantics.g2d.layers.ILayersEditor;
  27 import org.simantics.modeling.ui.diagramEditor.handlers.StructuralBrowsingHandler;
  28 import org.simantics.ui.workbench.IResourceEditorInput;
  29 import org.simantics.ui.workbench.editor.input.InputValidationCombinators;
  30
  31 /**
  32  * @author Tuukka Lehtonen
  33  */
  34 public class PlainDiagramViewer extends org.simantics.modeling.ui.diagramEditor.DiagramViewer {
  35
  36     ParametrizedRead<IResourceEditorInput, Boolean> INPUT_VALIDATOR =
  37         Combinators.compose(
  38                         InputValidationCombinators.hasURI(),
  39                 InputValidationCombinators.extractInputResource()
  40         );
  41
  42     protected String getPopupId() {
  43         return "#PlainDiagramViewerPopup";
  44     }
  45
  46     public ParametrizedRead<IResourceEditorInput, Boolean> getInputValidator() {
  47         return INPUT_VALIDATOR;
  48     }
  49
  50     @Override
  51     protected PointerInteractor getPointerInteractor() {
  52         return new PointerInteractor2(true, true, true, false, false, false, synchronizer.getElementClassProvider());
  53     }
  54
  55     protected void addStructureParticipants(ICanvasContext ctx) {
  56         ctx.add(new StructuralBrowsingHandler(getSite(), sessionContext, getResourceInput2()));
  57         addWorkbenchSelectionProvider(ctx);
  58
  59         ctx.add(
  60                 new TerminalInformer(
  61                         c,
  62                         resourceManager,
  63                         getEditorSite().getActionBars().getStatusLineManager(),
  64                         new DefaultTerminalNamingStrategy()
  65                         )
  66                 );
  67     }
  68
  69     @Override
  70     protected void beforeSetDiagram(IDiagram diagram) {
  71         setupLayers(diagram);
  72     }
  73
  74     protected void setupLayers(IDiagram diagram) {
  75         diagram.setHint(DiagramHints.KEY_LAYERS, new ILayers() {
  76
  77             @Override
  78             public boolean isActive(ILayer layer) {
  79                 return true;
  80             }
  81
  82             @Override
  83             public Set<ILayer> getVisibleLayers() {
  84                 return Collections.emptySet();
  85             }
  86
  87             @Override
  88             public Set<ILayer> getLayers() {
  89                 return Collections.emptySet();
  90             }
  91
  92             @Override
  93             public boolean getIgnoreVisibilitySettings() {
  94                 return true;
  95             }
  96
  97             @Override
  98             public boolean getIgnoreFocusSettings() {
  99                 return true;
 100             }
 101
 102         });
 103
 104         // Disable roles (layers) by default in symbol editor to show everything.
 105         ILayersEditor le = diagram.getHint(DiagramHints.KEY_LAYERS_EDITOR);
 106         if (le != null) {
 107             le.setIgnoreFocusSettings(true);
 108             le.setIgnoreVisibilitySettings(true);
 109         }
 110     }
 111
 112     @Override
 113     protected EditorState getSavedEditorState(ICanvasContext ctx) {
 114         return DiagramEditorStates.toEditorState(ctx, true, true, false);
 115     }
 116
 117 }