bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/symbolEditor/SymbolViewer.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.symbolEditor;
  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.handler.CopyPasteStrategy;
  20 import org.simantics.diagram.participant.PointerInteractor2;
  21 import org.simantics.g2d.canvas.ICanvasContext;
  22 import org.simantics.g2d.diagram.DiagramHints;
  23 import org.simantics.g2d.diagram.IDiagram;
  24 import org.simantics.g2d.diagram.participant.pointertool.PointerInteractor;
  25 import org.simantics.g2d.layers.ILayer;
  26 import org.simantics.g2d.layers.ILayers;
  27 import org.simantics.g2d.layers.ILayersEditor;
  28 import org.simantics.g2d.page.DiagramDesc;
  29 import org.simantics.modeling.ui.diagramEditor.DiagramEditorStates;
  30 import org.simantics.modeling.ui.diagramEditor.EditorState;
  31 import org.simantics.structural.stubs.StructuralResource2;
  32 import org.simantics.ui.workbench.IResourceEditorInput;
  33 import org.simantics.ui.workbench.editor.input.InputValidationCombinators;
  34 import org.simantics.utils.page.PageCentering;
  35
  36 /**
  37  * @author Tuukka Lehtonen
  38  */
  39 public class SymbolViewer extends org.simantics.modeling.ui.diagramEditor.DiagramViewer {
  40
  41     ParametrizedRead<IResourceEditorInput, Boolean> INPUT_VALIDATOR =
  42         Combinators.compose(
  43                 Combinators.compose(
  44                         InputValidationCombinators.hasURI(),
  45                         InputValidationCombinators.partialFunction(StructuralResource2.URIs.Defines)
  46                 ),
  47                 InputValidationCombinators.extractInputResource()
  48         );
  49
  50     protected String getPopupId() {
  51         return "#SymbolViewerPopup";
  52     }
  53
  54     public ParametrizedRead<IResourceEditorInput, Boolean> getInputValidator() {
  55         return INPUT_VALIDATOR;
  56     }
  57
  58     @Override
  59     protected PointerInteractor getPointerInteractor() {
  60         return new PointerInteractor2(true, true, true, false, false, false, synchronizer.getElementClassProvider());
  61     }
  62
  63     @Override
  64     protected void addDropParticipants(ICanvasContext ctx) {
  65         ctx.add(new PopulateTerminalDropParticipant(getResourceInput().getResource(), synchronizer));
  66     }
  67
  68     protected void addStructureParticipants(ICanvasContext ctx) {
  69         addWorkbenchSelectionProvider(ctx);
  70     }
  71
  72     @Override
  73     protected void setDiagramDesc(ICanvasContext ctx, DiagramDesc diagramDesc) {
  74         super.setDiagramDesc(ctx, diagramDesc.withPageDesc(
  75                 diagramDesc.getPageDesc().withCentering(PageCentering.CenteredAroundOrigin)));
  76     }
  77
  78     @Override
  79     protected void beforeSetDiagram(IDiagram diagram) {
  80         setupLayers(diagram);
  81     }
  82
  83     protected void setupLayers(IDiagram diagram) {
  84         diagram.setHint(DiagramHints.KEY_LAYERS, new ILayers() {
  85
  86             @Override
  87             public boolean isActive(ILayer layer) {
  88                 return true;
  89             }
  90
  91             @Override
  92             public Set<ILayer> getVisibleLayers() {
  93                 return Collections.emptySet();
  94             }
  95
  96             @Override
  97             public Set<ILayer> getLayers() {
  98                 return Collections.emptySet();
  99             }
 100
 101             @Override
 102             public boolean getIgnoreVisibilitySettings() {
 103                 return true;
 104             }
 105
 106             @Override
 107             public boolean getIgnoreFocusSettings() {
 108                 return true;
 109             }
 110
 111             @Override
 112             public void addLayersListener(ILayersListener listener) {
 113             }
 114
 115             @Override
 116             public void removeLayersListener(ILayersListener listener) {
 117             }
 118
 119         });
 120
 121         // Disable roles (layers) by default in symbol editor to show everything.
 122         ILayersEditor le = diagram.getHint(DiagramHints.KEY_LAYERS_EDITOR);
 123         if (le != null) {
 124             le.setIgnoreFocusSettings(true);
 125             le.setIgnoreVisibilitySettings(true);
 126         }
 127     }
 128
 129     @Override
 130     protected EditorState getSavedEditorState(ICanvasContext ctx) {
 131         return DiagramEditorStates.toEditorState(ctx, true, true, false);
 132     }
 133
 134     protected CopyPasteStrategy getDefaultCopyPasteStrategy() {
 135         return new SymbolEditorCopyPasteStrategy();
 136     }
 137
 138 }