1 /*******************************************************************************
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2 * Copyright (c) 2007, 2010 Association for Decentralized Information Management
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3 * in Industry THTH ry.
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4 * All rights reserved. This program and the accompanying materials
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5 * are made available under the terms of the Eclipse Public License v1.0
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6 * which accompanies this distribution, and is available at
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7 * http://www.eclipse.org/legal/epl-v10.html
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10 * VTT Technical Research Centre of Finland - initial API and implementation
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11 *******************************************************************************/
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12 package org.simantics.modeling.ui.diagramEditor;
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14 import java.util.Collection;
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15 import java.util.Collections;
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17 import org.eclipse.ui.PlatformUI;
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18 import org.simantics.db.ReadGraph;
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19 import org.simantics.db.Resource;
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20 import org.simantics.db.common.request.PossibleIndexRoot;
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21 import org.simantics.db.common.request.PossibleTypedParent;
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22 import org.simantics.db.common.request.ReadRequest;
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23 import org.simantics.db.exception.DatabaseException;
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24 import org.simantics.db.layer0.variable.RVI;
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25 import org.simantics.db.layer0.variable.Variable;
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26 import org.simantics.db.layer0.variable.Variables;
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27 import org.simantics.diagram.stubs.DiagramResource;
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28 import org.simantics.g2d.canvas.ICanvasContext;
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29 import org.simantics.g2d.diagram.DiagramHints;
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30 import org.simantics.layer0.Layer0;
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31 import org.simantics.modeling.ComponentUtils;
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32 import org.simantics.modeling.actions.NavigateToTarget;
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33 import org.simantics.modeling.ui.Activator;
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34 import org.simantics.structural.stubs.StructuralResource2;
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35 import org.simantics.ui.SimanticsUI;
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36 import org.simantics.ui.workbench.editor.AbstractResourceEditorAdapter;
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37 import org.simantics.utils.datastructures.Pair;
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38 import org.simantics.utils.threads.ThreadUtils;
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41 * @author Tuukka Lehtonen
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43 public class OpenDiagramFromConfigurationAdapter extends AbstractResourceEditorAdapter {
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45 private static final String EDITOR_ID = "org.simantics.modeling.ui.diagramEditor";
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47 public OpenDiagramFromConfigurationAdapter() {
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48 super("Diagram Editor", Activator.COMPOSITE_ICON);
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51 protected String getEditorId() {
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56 public boolean canHandle(ReadGraph g, Resource r) throws DatabaseException {
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57 Resource diagram = getDiagram(g, r, Collections.emptySet());
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61 // Check if the diagram is locked, because of the locked component type
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62 return !isLocked(g, diagram);
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64 // return ComponentUtils.compositeHasDiagram(g, r) /*|| ComponentUtils.componentHasDiagram(g, r)*/;
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67 public static boolean isLocked(ReadGraph g, Resource diagram) throws DatabaseException {
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68 StructuralResource2 STR = StructuralResource2.getInstance(g);
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69 Resource componentType = g.syncRequest(new PossibleTypedParent(diagram, STR.ComponentType));
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70 if(componentType == null)
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71 return false; // Not part of a component type
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73 return g.hasStatement(componentType, STR.ComponentType_Locked);
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77 public void openEditor(final Resource r) throws Exception {
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78 SimanticsUI.getSession().asyncRequest(new ReadRequest() {
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80 public void run(ReadGraph g) throws DatabaseException {
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81 openEditor(g, r, getEditorId());
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88 * @param configurationComposite
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90 * @throws DatabaseException
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92 public static boolean openEditor(ReadGraph g, Resource configurationComposite, final String editorId) throws DatabaseException {
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93 return openEditor(g, configurationComposite, editorId, Collections.emptySet());
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96 protected static Resource getDiagram(ReadGraph graph, Resource r, final Collection<Object> selectedObjects) throws DatabaseException {
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98 Layer0 L0 = Layer0.getInstance(graph);
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99 DiagramResource DIA = DiagramResource.getInstance(graph);
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101 if(graph.isInstanceOf(r, DIA.Diagram)) return r;
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103 Resource diagram = ComponentUtils.getPossibleCompositeDiagram(graph, r);
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104 if(diagram != null) return diagram;
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106 if(selectedObjects.size() == 1) {
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107 Object o = selectedObjects.iterator().next();
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108 if(o instanceof Resource) {
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109 Resource res = (Resource)o;
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110 if(graph.isInstanceOf(res, DIA.Element)) {
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111 return graph.getPossibleObject(res, L0.PartOf);
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120 public static Pair<Resource, RVI> getModelAndRVI(ReadGraph graph, Resource configurationComposite) throws DatabaseException {
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121 Variable compositeVariable = Variables.getPossibleVariable(graph, configurationComposite);
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122 if (compositeVariable == null)
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125 Layer0 L0 = Layer0.getInstance(graph);
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126 StructuralResource2 STR = StructuralResource2.getInstance(graph);
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127 boolean isComponentType = graph.hasStatement(configurationComposite, STR.Defines);
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128 Resource rviContext = graph.syncRequest(new PossibleTypedParent(configurationComposite, L0.RVIContext));
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130 if (isComponentType || rviContext == null) {
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131 Resource indexRoot = graph.sync(new PossibleIndexRoot(configurationComposite));
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132 if (indexRoot == null)
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135 return Pair.make(indexRoot, null);
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138 final Resource model = Variables.getPossibleModel(graph, compositeVariable);
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141 final RVI rvi = compositeVariable.getPossibleRVI(graph);
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143 return Pair.make(model, rvi);
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148 * @param configurationComposite
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150 * @param selectedObjects
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151 * @throws DatabaseException
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153 public static boolean openEditor(ReadGraph g, Resource r, final String editorId, final Collection<Object> selectedObjects) throws DatabaseException {
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155 final Resource diagram = getDiagram(g, r, selectedObjects);
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156 if (diagram == null)
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159 final Resource configurationComposite = ComponentUtils.getPossibleDiagramComposite(g, diagram);
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160 if (configurationComposite == null)
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163 Pair<Resource, RVI> modelAndRVI = getModelAndRVI(g, configurationComposite);
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164 //System.out.println("modelAndRVI: " + modelAndRVI);
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165 if (modelAndRVI == null)
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168 final Runnable editorActivator = NavigateToTarget.editorActivator(editorId, diagram, modelAndRVI.first, modelAndRVI.second, part -> {
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169 if (selectedObjects.isEmpty())
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172 final ICanvasContext openedCanvas = (ICanvasContext) part.getAdapter(ICanvasContext.class);
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173 assert openedCanvas != null;
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174 // CanvasContext-wide denial of initial zoom-to-fit on diagram open.
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175 openedCanvas.getDefaultHintContext().setHint(DiagramHints.KEY_INITIAL_ZOOM_TO_FIT, Boolean.FALSE);
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176 //System.out.println("ASDF: " + element);
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177 ThreadUtils.asyncExec(openedCanvas.getThreadAccess(),
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178 NavigateToTarget.elementSelectorZoomer(openedCanvas, selectedObjects, false));
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181 PlatformUI.getWorkbench().getDisplay().asyncExec(new Runnable() {
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183 public void run() {
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184 editorActivator.run();
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