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.handlers;
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14 import java.util.ArrayList;
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15 import java.util.List;
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17 import org.eclipse.core.commands.AbstractHandler;
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18 import org.eclipse.core.commands.ExecutionEvent;
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19 import org.eclipse.core.commands.ExecutionException;
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20 import org.eclipse.jface.viewers.ISelection;
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21 import org.eclipse.ui.handlers.HandlerUtil;
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22 import org.simantics.db.Resource;
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23 import org.simantics.db.WriteGraph;
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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.stubs.DiagramResource;
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27 import org.simantics.ui.SimanticsUI;
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28 import org.simantics.ui.utils.ResourceAdaptionUtils;
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32 * @author Marko Luukkainen <marko.luukkainen@vtt.fi>
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35 public class AlignVerticalHandler extends AbstractHandler {
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38 public Object execute(ExecutionEvent event) throws ExecutionException {
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40 ISelection s = HandlerUtil.getCurrentSelectionChecked(event);
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41 final Resource resources[] = ResourceAdaptionUtils.toResources(s);
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43 if (resources.length < 2)
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46 SimanticsUI.getSession().asyncRequest(new WriteRequest() {
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49 public void perform(WriteGraph graph) throws DatabaseException {
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50 DiagramResource dr = DiagramResource.getInstance(graph);
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52 List<Resource> elements = new ArrayList<Resource>();
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53 List<double[]> transforms = new ArrayList<double[]>();
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54 for (Resource r : resources) {
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55 //System.out.println(r + " " + GraphUtils.getReadableName(graph, r));
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56 if (graph.isInstanceOf(r, dr.Element) && !graph.isInstanceOf(r, dr.Connection)) {
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57 double transform[] = graph.getPossibleRelatedValue(r, dr.HasTransform);
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58 if (transform != null) {
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60 transforms.add(transform);
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66 for (double[] t : transforms) {
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70 mx /= transforms.size();
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71 my /= transforms.size();
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73 // prevent moving symbols into the same position
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75 for (double t[] : transforms) {
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76 if (Math.abs(t[5] - my) < 0.1) {
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83 for (int i = 0; i < transforms.size(); i++) {
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84 Resource element = elements.get(i);
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85 double t[] = transforms.get(i);
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86 graph.claimLiteral(element, dr.HasTransform, new double[]{t[0],t[1],t[2],t[3],mx,t[5]});
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