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.tooltip;
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14 import java.awt.Frame;
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15 import java.awt.GraphicsDevice;
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16 import java.awt.GraphicsEnvironment;
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17 import java.awt.Rectangle;
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19 import javax.swing.SwingUtilities;
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21 import org.simantics.g2d.element.IElement;
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24 * AWT based tooltip.
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26 * @author Marko Luukkainen <marko.luukkainen@vtt.fi>
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29 public abstract class AWTTooltipProvider implements TooltipProvider {
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31 private Frame frame;
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34 * Construct popup UI.
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38 public abstract void constructPopup(Frame frame,IElement element);
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41 public void showTooltip(final IElement element, final int x, final int y) {
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42 SwingUtilities.invokeLater(new Runnable() {
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45 if (frame != null) {
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46 frame.setVisible(false);
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51 frame = new Frame();
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52 frame.setFocusableWindowState(false);
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53 frame.setUndecorated(true);
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55 constructPopup(frame, element);
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59 setTooltipPosition(x,y);
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61 frame.setVisible(true);
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71 private void setTooltipPosition(int x, int y) {
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73 GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment();
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74 for (GraphicsDevice gd : ge.getScreenDevices()) {
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75 Rectangle r = gd.getDefaultConfiguration().getBounds();
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76 if (r.contains(x, y)) {
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77 Rectangle ttr = new Rectangle(x, y, frame.getWidth(), frame.getHeight());
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78 //ttr.y -= frame.getHeight();
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80 if (!r.contains(ttr)) {
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81 ttr.y = Math.max(r.y, ttr.y);
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82 ttr.y = Math.min(r.y + r.height, ttr.y + ttr.height) - ttr.height;
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83 ttr.x = Math.max(r.x, ttr.x);
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84 ttr.x = Math.min(r.x + r.width, ttr.x + ttr.width) - ttr.width;
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86 frame.setLocation(ttr.x,ttr.y);
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94 public void hideTooltip(IElement element) {
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95 SwingUtilities.invokeLater(new Runnable() {
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98 frame.setVisible(false);
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