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.g2d.element.handler.impl;
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14 import java.awt.geom.AffineTransform;
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15 import java.awt.geom.Point2D;
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17 import org.simantics.g2d.element.ElementHints;
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18 import org.simantics.g2d.element.IElement;
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19 import org.simantics.g2d.element.handler.Move;
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22 * This implementation of Move transforms element variable ElementHints.KEY_TRANSFORM.
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24 * @author Toni Kalajainen
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26 public class MoveImpl implements Move {
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28 private static final long serialVersionUID = 1395438821342445141L;
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30 public static final MoveImpl HANDLER = new MoveImpl();
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33 public Point2D getPosition(IElement e) {
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34 AffineTransform at = e.getHint(ElementHints.KEY_TRANSFORM);
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35 Point2D p = new Point2D.Double(
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37 at.getTranslateY());
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42 public void moveTo(IElement e, double x, double y) {
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43 AffineTransform origAt = e.getHint(ElementHints.KEY_TRANSFORM);
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44 double oldX = origAt.getTranslateX();
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45 double oldY = origAt.getTranslateY();
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46 AffineTransform move = new AffineTransform();
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47 move.setToTranslation(x-oldX, y-oldY);
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48 AffineTransform at2 = new AffineTransform(origAt);
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49 at2.preConcatenate(move);
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50 e.setHint(ElementHints.KEY_TRANSFORM, at2);
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