bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/symbolEditor/SymbolViewer.java

   1 /*******************************************************************************\r
   2  * Copyright (c) 2007, 2010 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  *     VTT Technical Research Centre of Finland - initial API and implementation\r
  11  *******************************************************************************/\r
  12 package org.simantics.modeling.ui.symbolEditor;\r
  13 \r
  14 import java.util.Collections;\r
  15 import java.util.Set;\r
  16 \r
  17 import org.simantics.db.common.request.ParametrizedRead;\r
  18 import org.simantics.db.layer0.request.combinations.Combinators;\r
  19 import org.simantics.diagram.handler.CopyPasteStrategy;\r
  20 import org.simantics.diagram.handler.DefaultCopyPasteStrategy;\r
  21 import org.simantics.diagram.participant.PointerInteractor2;\r
  22 import org.simantics.g2d.canvas.ICanvasContext;\r
  23 import org.simantics.g2d.diagram.DiagramHints;\r
  24 import org.simantics.g2d.diagram.IDiagram;\r
  25 import org.simantics.g2d.diagram.participant.pointertool.PointerInteractor;\r
  26 import org.simantics.g2d.layers.ILayer;\r
  27 import org.simantics.g2d.layers.ILayers;\r
  28 import org.simantics.g2d.layers.ILayersEditor;\r
  29 import org.simantics.g2d.page.DiagramDesc;\r
  30 import org.simantics.modeling.ui.diagramEditor.DiagramEditorStates;\r
  31 import org.simantics.modeling.ui.diagramEditor.EditorState;\r
  32 import org.simantics.structural.stubs.StructuralResource2;\r
  33 import org.simantics.ui.workbench.IResourceEditorInput;\r
  34 import org.simantics.ui.workbench.editor.input.InputValidationCombinators;\r
  35 import org.simantics.utils.page.PageCentering;\r
  36 \r
  37 /**\r
  38  * @author Tuukka Lehtonen\r
  39  */\r
  40 public class SymbolViewer extends org.simantics.modeling.ui.diagramEditor.DiagramViewer {\r
  41 \r
  42     ParametrizedRead<IResourceEditorInput, Boolean> INPUT_VALIDATOR =\r
  43         Combinators.compose(\r
  44                 Combinators.compose(\r
  45                         InputValidationCombinators.hasURI(),\r
  46                         InputValidationCombinators.partialFunction(StructuralResource2.URIs.Defines)\r
  47                 ),\r
  48                 InputValidationCombinators.extractInputResource()\r
  49         );\r
  50 \r
  51     protected String getPopupId() {\r
  52         return "#SymbolViewerPopup";\r
  53     }\r
  54     \r
  55     public ParametrizedRead<IResourceEditorInput, Boolean> getInputValidator() {\r
  56         return INPUT_VALIDATOR;\r
  57     }\r
  58 \r
  59     @Override\r
  60     protected PointerInteractor getPointerInteractor() {\r
  61         return new PointerInteractor2(true, true, true, false, false, false, synchronizer.getElementClassProvider());\r
  62     }\r
  63     \r
  64     @Override\r
  65     protected void addDropParticipants(ICanvasContext ctx) {\r
  66         ctx.add(new PopulateTerminalDropParticipant(getResourceInput().getResource(), synchronizer));\r
  67     }\r
  68 \r
  69     protected void addStructureParticipants(ICanvasContext ctx) {\r
  70         addWorkbenchSelectionProvider(ctx);\r
  71     }\r
  72 \r
  73     @Override\r
  74     protected void setDiagramDesc(ICanvasContext ctx, DiagramDesc diagramDesc) {\r
  75         super.setDiagramDesc(ctx, diagramDesc.withPageDesc(\r
  76                 diagramDesc.getPageDesc().withCentering(PageCentering.CenteredAroundOrigin)));\r
  77     }\r
  78 \r
  79     @Override\r
  80     protected void beforeSetDiagram(IDiagram diagram) {\r
  81         setupLayers(diagram);\r
  82     }\r
  83 \r
  84     protected void setupLayers(IDiagram diagram) {\r
  85         diagram.setHint(DiagramHints.KEY_LAYERS, new ILayers() {\r
  86 \r
  87             @Override\r
  88             public boolean isActive(ILayer layer) {\r
  89                 return true;\r
  90             }\r
  91 \r
  92             @Override\r
  93             public Set<ILayer> getVisibleLayers() {\r
  94                 return Collections.emptySet();\r
  95             }\r
  96 \r
  97             @Override\r
  98             public Set<ILayer> getLayers() {\r
  99                 return Collections.emptySet();\r
 100             }\r
 101 \r
 102             @Override\r
 103             public boolean getIgnoreVisibilitySettings() {\r
 104                 return true;\r
 105             }\r
 106 \r
 107             @Override\r
 108             public boolean getIgnoreFocusSettings() {\r
 109                 return true;\r
 110             }\r
 111 \r
 112         });\r
 113 \r
 114         // Disable roles (layers) by default in symbol editor to show everything.\r
 115         ILayersEditor le = diagram.getHint(DiagramHints.KEY_LAYERS_EDITOR);\r
 116         if (le != null) {\r
 117             le.setIgnoreFocusSettings(true);\r
 118             le.setIgnoreVisibilitySettings(true);\r
 119         }\r
 120     }\r
 121 \r
 122     @Override\r
 123     protected EditorState getSavedEditorState(ICanvasContext ctx) {\r
 124         return DiagramEditorStates.toEditorState(ctx, true, true, false);\r
 125     }\r
 126 \r
 127     protected CopyPasteStrategy getDefaultCopyPasteStrategy() {\r
 128         return new SymbolEditorCopyPasteStrategy();\r
 129     }\r
 130 \r
 131 }\r