1 /*******************************************************************************
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2 * Copyright (c) 2012 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 * Semantum Oy - 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 org.simantics.db.ReadGraph;
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15 import org.simantics.db.Resource;
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16 import org.simantics.db.common.request.UnaryRead;
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17 import org.simantics.db.common.utils.NameUtils;
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18 import org.simantics.db.exception.DatabaseException;
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19 import org.simantics.diagram.synchronization.graph.DiagramGraphUtil;
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20 import org.simantics.g2d.diagram.participant.pointertool.TerminalUtil.TerminalInfo;
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21 import org.simantics.g2d.element.ElementUtils;
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22 import org.simantics.layer0.Layer0;
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23 import org.simantics.modeling.ModelingResources;
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24 import org.simantics.modeling.ui.diagramEditor.TerminalInformer.TerminalNamingStrategy;
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25 import org.simantics.structural.stubs.StructuralResource2;
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26 import org.simantics.structural2.queries.Terminal;
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29 * @author Tuukka Lehtonen
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31 public final class DefaultTerminalNamingStrategy implements TerminalNamingStrategy {
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34 public String getName(ReadGraph graph, TerminalInfo info) throws DatabaseException {
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35 Terminal t = graph.syncRequest(new ResolveTerminal(info));
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37 return "Could not resolve component terminal";
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38 return graph.syncRequest(new TerminalMessage(t));
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41 public static class ResolveTerminal extends UnaryRead<TerminalInfo, Terminal> {
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43 public ResolveTerminal(TerminalInfo parameter) {
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48 public Terminal perform(ReadGraph graph) throws DatabaseException {
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49 ModelingResources mr = ModelingResources.getInstance(graph);
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51 Object elementObject = ElementUtils.getObject(parameter.e);
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52 if (!(elementObject instanceof Resource))
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54 Resource element = (Resource) elementObject;
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56 Resource diagramBindingRelation = DiagramGraphUtil.getConnectionPointOfTerminal(graph, parameter.t);
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57 if (diagramBindingRelation == null)
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60 Resource component = graph.getPossibleObject(element, mr.ElementToComponent);
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61 Resource connectionRelation = graph.getPossibleObject(diagramBindingRelation, mr.DiagramConnectionRelationToConnectionRelation);
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62 if (component == null || connectionRelation == null)
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65 return new Terminal(component, connectionRelation);
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70 static class TerminalMessage extends UnaryRead<Terminal, String> {
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72 public TerminalMessage(Terminal terminal) {
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77 public String perform(ReadGraph graph) throws DatabaseException {
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78 Layer0 L0 = Layer0.getInstance(graph);
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79 StructuralResource2 STR = StructuralResource2.getInstance(graph);
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81 String name = getStringPropertyValue(graph, parameter.getRelation(), L0.HasName);
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82 String label = getStringPropertyValue(graph, parameter.getRelation(), L0.HasLabel);
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83 String componentName = NameUtils.getSafeName(graph, parameter.getComponent());
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84 Resource componentType = graph.getPossibleType(parameter.getComponent(), STR.Component);
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85 String componentTypeName = componentType != null
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86 ? getStringPropertyValue(graph, componentType, L0.HasLabel)
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89 StringBuilder sb = new StringBuilder();
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90 if (name.equals(label)) {
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93 sb.append("(").append(name).append(") ").append(label);
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95 sb.append(" [").append(componentName);
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96 if (componentTypeName != null)
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97 sb.append(" : ").append(componentTypeName);
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100 return sb.toString();
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103 private String getStringPropertyValue(ReadGraph graph, Resource entity, Resource property) throws DatabaseException {
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104 String name = graph.getPossibleRelatedValue2(entity, property);
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105 return name != null ? name : NameUtils.getSafeName(graph, entity);
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