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