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.diagram.participant;
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14 import java.awt.geom.AffineTransform;
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15 import java.awt.geom.Point2D;
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16 import java.awt.geom.Rectangle2D;
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17 import java.util.ArrayList;
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18 import java.util.Collection;
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20 import org.simantics.Simantics;
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21 import org.simantics.db.Resource;
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22 import org.simantics.db.WriteGraph;
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23 import org.simantics.db.common.CommentMetadata;
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24 import org.simantics.db.common.request.WriteRequest;
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25 import org.simantics.db.exception.DatabaseException;
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26 import org.simantics.diagram.content.ConnectionUtil;
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27 import org.simantics.diagram.elements.ElementTransforms;
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28 import org.simantics.diagram.elements.ElementTransforms.TransformedObject;
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29 import org.simantics.diagram.flag.IOTableUtil;
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30 import org.simantics.diagram.flag.IOTablesInfo;
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31 import org.simantics.diagram.stubs.DiagramResource;
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32 import org.simantics.diagram.ui.DiagramModelHints;
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33 import org.simantics.g2d.canvas.Hints;
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34 import org.simantics.g2d.diagram.participant.pointertool.TranslateMode;
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35 import org.simantics.g2d.element.ElementHints;
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36 import org.simantics.g2d.element.ElementUtils;
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37 import org.simantics.g2d.element.IElement;
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38 import org.simantics.g2d.element.handler.Move;
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39 import org.simantics.scenegraph.g2d.IG2DNode;
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40 import org.simantics.scenegraph.g2d.nodes.Decoration;
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41 import org.simantics.scenegraph.utils.NodeUtil;
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42 import org.simantics.utils.ui.ErrorLogger;
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45 * This participant handles the diagram in translate elements mode with support
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46 * for route graph connections.
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48 * @author Tuukka Lehtonen
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50 public class TranslateMode2 extends TranslateMode {
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52 public TranslateMode2(Point2D startingPoint, Point2D currentPoint, int mouseId, Collection<IElement> elements) {
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53 super(startingPoint, currentPoint, mouseId, elements);
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57 protected boolean commit() {
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58 for (IElement el : elementsToReallyTranslate) {
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59 Move move = el.getElementClass().getAtMostOneItemOfClass(Move.class);
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61 Point2D oldPos = move.getPosition(el);
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62 move.moveTo(el, oldPos.getX() + dx, oldPos.getY() + dy);
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67 Simantics.getSession().syncRequest(new WriteRequest() {
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69 public void perform(WriteGraph graph) throws DatabaseException {
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70 DiagramResource DIA = DiagramResource.getInstance(graph);
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72 Collection<TransformedObject> transformed = new ArrayList<TransformedObject>();
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73 for (IElement e : elementsToReallyTranslate) {
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74 Object obj = ElementUtils.getObject(e);
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75 if (obj instanceof Resource) {
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76 Resource r = (Resource) obj;
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77 if (graph.isInstanceOf(r, DIA.RouteGraphConnection))
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79 if (graph.isInstanceOf(r, DIA.Flag)) {
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80 if(handleFlag(graph, DIA, e, r))
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83 AffineTransform at = ElementUtils.getLocalTransform(e, new AffineTransform());
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84 transformed.add( new TransformedObject((Resource) obj, at) );
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88 if (!transformed.isEmpty()) {
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89 CommentMetadata cm = graph.getMetadata(CommentMetadata.class);
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90 graph.addMetadata(cm.add("Translated " + transformed.size() + " "
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91 + (transformed.size() == 1 ? "element" : "elements")
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92 + " by (" + dx + "," + dy + ") mm."));
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93 graph.markUndoPoint();
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96 // Normal transforms
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97 ElementTransforms.setTransformRequest(transformed).perform(graph);
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99 // Custom handling for moving interior route nodes
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100 ConnectionUtil cu = new ConnectionUtil(graph);
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101 for (IElement c : translatedConnections) {
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102 Object obj = (Object) ElementUtils.getObject(c);
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103 if (obj instanceof Resource) {
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104 Resource connection = (Resource) obj;
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105 if (graph.isInstanceOf(connection, DIA.RouteGraphConnection)) {
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106 cu.translateRouteNodes(connection, dx, dy);
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112 } catch (DatabaseException err) {
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113 ErrorLogger.defaultLogError(err);
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116 for (IElement dirty : elementsToDirty)
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117 dirty.setHint(Hints.KEY_DIRTY, Hints.VALUE_SG_DIRTY);
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124 IOTablesInfo ioTablesInfo = null;
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126 private boolean handleFlag(WriteGraph graph, DiagramResource DIA,
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127 IElement flagElement, Resource flagResource) throws DatabaseException {
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128 if(ioTablesInfo == null)
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129 ioTablesInfo = IOTableUtil.getIOTablesInfo(graph,
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130 (Resource)diagram.getHint(DiagramModelHints.KEY_DIAGRAM_RESOURCE));
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132 // Use the center of the flag for determining the table binding
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133 Object sgNode = flagElement.getHint(ElementHints.KEY_SG_NODE);
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134 if(!(sgNode instanceof IG2DNode))
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136 Rectangle2D flagBounds = NodeUtil.getLocalBounds((IG2DNode)sgNode, Decoration.class);
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137 Point2D translateVector = getTranslateVector();
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138 double flagX = flagBounds.getCenterX()+translateVector.getX();
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139 double flagY = flagBounds.getCenterY()+translateVector.getY();
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140 return ioTablesInfo.updateBinding(graph, DIA, flagResource, flagX, flagY);
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