| Line | Hits | Source |
|---|---|---|
| 1 | /* | |
| 2 | * Copyright (c) 2005, the JUNG Project and the Regents of the University | |
| 3 | * of California | |
| 4 | * All rights reserved. | |
| 5 | * | |
| 6 | * This software is open-source under the BSD license; see either | |
| 7 | * "license.txt" or | |
| 8 | * http://jung.sourceforge.net/license.txt for a description. | |
| 9 | * Created on Mar 8, 2005 | |
| 10 | * | |
| 11 | */ | |
| 12 | package edu.uci.ics.jung.visualization.control; | |
| 13 | ||
| 14 | import java.awt.BasicStroke; | |
| 15 | import java.awt.Color; | |
| 16 | import java.awt.Cursor; | |
| 17 | import java.awt.Dimension; | |
| 18 | import java.awt.Graphics; | |
| 19 | import java.awt.Graphics2D; | |
| 20 | import java.awt.Point; | |
| 21 | import java.awt.RenderingHints; | |
| 22 | import java.awt.Toolkit; | |
| 23 | import java.awt.event.MouseEvent; | |
| 24 | import java.awt.event.MouseListener; | |
| 25 | import java.awt.event.MouseMotionListener; | |
| 26 | import java.awt.geom.Point2D; | |
| 27 | import java.awt.image.BufferedImage; | |
| 28 | import java.util.Collections; | |
| 29 | ||
| 30 | import edu.uci.ics.jung.visualization.VisualizationViewer; | |
| 31 | import edu.uci.ics.jung.visualization.transform.MutableTransformer; | |
| 32 | ||
| 33 | /** | |
| 34 | * ShearingGraphMousePlugin allows the user to drag with the mouse | |
| 35 | * to shear the transform either in the horizontal or vertical direction. | |
| 36 | * By default, the control or meta key must be depressed to activate | |
| 37 | * shearing. | |
| 38 | * | |
| 39 | * | |
| 40 | * @author Tom Nelson | |
| 41 | */ | |
| 42 | public class ShearingGraphMousePlugin extends AbstractGraphMousePlugin | |
| 43 | implements MouseListener, MouseMotionListener { | |
| 44 | ||
| 45 | 0 | private static int mask = MouseEvent.CTRL_MASK; |
| 46 | ||
| 47 | static { | |
| 48 | 0 | if(System.getProperty("os.name").startsWith("Mac")) { |
| 49 | 0 | mask = MouseEvent.META_MASK; |
| 50 | } | |
| 51 | 0 | } |
| 52 | /** | |
| 53 | * create an instance with default modifier values | |
| 54 | */ | |
| 55 | public ShearingGraphMousePlugin() { | |
| 56 | 0 | this(MouseEvent.BUTTON1_MASK | mask); |
| 57 | 0 | } |
| 58 | ||
| 59 | /** | |
| 60 | * create an instance with passed modifier values | |
| 61 | * @param modifiers the mouse modifiers to use | |
| 62 | */ | |
| 63 | public ShearingGraphMousePlugin(int modifiers) { | |
| 64 | 0 | super(modifiers); |
| 65 | 0 | Dimension cd = Toolkit.getDefaultToolkit().getBestCursorSize(16,16); |
| 66 | 0 | BufferedImage cursorImage = |
| 67 | new BufferedImage(cd.width,cd.height,BufferedImage.TYPE_INT_ARGB); | |
| 68 | 0 | Graphics g = cursorImage.createGraphics(); |
| 69 | 0 | Graphics2D g2 = (Graphics2D)g; |
| 70 | 0 | g2.addRenderingHints(Collections.singletonMap(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON)); |
| 71 | 0 | g.setColor(new Color(0,0,0,0)); |
| 72 | 0 | g.fillRect(0,0,16,16); |
| 73 | ||
| 74 | 0 | int left = 0; |
| 75 | 0 | int top = 0; |
| 76 | 0 | int right = 15; |
| 77 | 0 | int bottom = 15; |
| 78 | ||
| 79 | // g.setColor(Color.white); | |
| 80 | // g2.setStroke(new BasicStroke(3)); | |
| 81 | // g.drawLine(left+2,top+5,right-2,top+5); | |
| 82 | // g.drawLine(left+2,bottom-5,right-2,bottom-5); | |
| 83 | // g.drawLine(left+2,top+5,left+4,top+3); | |
| 84 | // g.drawLine(left+2,top+5,left+4,top+7); | |
| 85 | // g.drawLine(right-2,bottom-5,right-4,bottom-3); | |
| 86 | // g.drawLine(right-2,bottom-5,right-4,bottom-7); | |
| 87 | ||
| 88 | 0 | g.setColor(Color.black); |
| 89 | 0 | g2.setStroke(new BasicStroke(1)); |
| 90 | 0 | g.drawLine(left+2,top+5,right-2,top+5); |
| 91 | 0 | g.drawLine(left+2,bottom-5,right-2,bottom-5); |
| 92 | 0 | g.drawLine(left+2,top+5,left+4,top+3); |
| 93 | 0 | g.drawLine(left+2,top+5,left+4,top+7); |
| 94 | 0 | g.drawLine(right-2,bottom-5,right-4,bottom-3); |
| 95 | 0 | g.drawLine(right-2,bottom-5,right-4,bottom-7); |
| 96 | 0 | g.dispose(); |
| 97 | 0 | cursor = Toolkit.getDefaultToolkit().createCustomCursor(cursorImage, new Point(), "RotateCursor"); |
| 98 | ||
| 99 | 0 | } |
| 100 | ||
| 101 | /** | |
| 102 | * | |
| 103 | * @param e the event | |
| 104 | */ | |
| 105 | public void mousePressed(MouseEvent e) { | |
| 106 | 0 | VisualizationViewer vv = (VisualizationViewer)e.getSource(); |
| 107 | 0 | boolean accepted = checkModifiers(e); |
| 108 | 0 | down = e.getPoint(); |
| 109 | 0 | if(accepted) { |
| 110 | 0 | vv.setCursor(cursor); |
| 111 | } | |
| 112 | 0 | } |
| 113 | ||
| 114 | /** | |
| 115 | * | |
| 116 | */ | |
| 117 | public void mouseReleased(MouseEvent e) { | |
| 118 | 0 | VisualizationViewer vv = (VisualizationViewer)e.getSource(); |
| 119 | 0 | down = null; |
| 120 | 0 | vv.setCursor(Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR)); |
| 121 | 0 | } |
| 122 | ||
| 123 | /** | |
| 124 | * | |
| 125 | * | |
| 126 | * | |
| 127 | * | |
| 128 | */ | |
| 129 | public void mouseDragged(MouseEvent e) { | |
| 130 | 0 | if(down == null) return; |
| 131 | 0 | VisualizationViewer vv = (VisualizationViewer)e.getSource(); |
| 132 | 0 | boolean accepted = checkModifiers(e); |
| 133 | 0 | if(accepted) { |
| 134 | 0 | MutableTransformer modelTransformer = vv.getLayoutTransformer(); |
| 135 | 0 | vv.setCursor(cursor); |
| 136 | 0 | Point2D q = down; |
| 137 | 0 | Point2D p = e.getPoint(); |
| 138 | 0 | float dx = (float) (p.getX()-q.getX()); |
| 139 | 0 | float dy = (float) (p.getY()-q.getY()); |
| 140 | ||
| 141 | 0 | Dimension d = vv.getSize(); |
| 142 | 0 | float shx = 2.f*dx/d.height; |
| 143 | 0 | float shy = 2.f*dy/d.width; |
| 144 | 0 | Point2D center = vv.getCenter(); |
| 145 | 0 | if(p.getX() < center.getX()) { |
| 146 | 0 | shy = -shy; |
| 147 | } | |
| 148 | 0 | if(p.getY() < center.getY()) { |
| 149 | 0 | shx = -shx; |
| 150 | } | |
| 151 | 0 | modelTransformer.shear(shx, shy, center); |
| 152 | 0 | down.x = e.getX(); |
| 153 | 0 | down.y = e.getY(); |
| 154 | ||
| 155 | 0 | e.consume(); |
| 156 | } | |
| 157 | 0 | } |
| 158 | ||
| 159 | public void mouseClicked(MouseEvent e) { | |
| 160 | // TODO Auto-generated method stub | |
| 161 | ||
| 162 | 0 | } |
| 163 | ||
| 164 | public void mouseEntered(MouseEvent e) { | |
| 165 | // TODO Auto-generated method stub | |
| 166 | ||
| 167 | 0 | } |
| 168 | ||
| 169 | public void mouseExited(MouseEvent e) { | |
| 170 | // TODO Auto-generated method stub | |
| 171 | ||
| 172 | 0 | } |
| 173 | ||
| 174 | public void mouseMoved(MouseEvent e) { | |
| 175 | // TODO Auto-generated method stub | |
| 176 | ||
| 177 | 0 | } |
| 178 | } |
|
this report was generated by version 1.0.5 of jcoverage. |
copyright © 2003, jcoverage ltd. all rights reserved. |