2 * Jalview - A Sequence Alignment Editor and Viewer
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3 * Copyright (C) 2005 AM Waterhouse, J Procter, G Barton, M Clamp, S Searle
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5 * This program is free software; you can redistribute it and/or
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6 * modify it under the terms of the GNU General Public License
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7 * as published by the Free Software Foundation; either version 2
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8 * of the License, or (at your option) any later version.
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10 * This program is distributed in the hope that it will be useful,
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11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 * GNU General Public License for more details.
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15 * You should have received a copy of the GNU General Public License
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16 * along with this program; if not, write to the Free Software
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17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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19 package jalview.gui;
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21 import jalview.datamodel.*;
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23 import jalview.math.*;
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25 import jalview.util.*;
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28 import java.awt.event.*;
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32 import javax.swing.*;
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39 * @version $Revision$
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41 public class RotatableCanvas extends JPanel implements MouseListener,
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42 MouseMotionListener, KeyListener
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44 RotatableMatrix idmat = new RotatableMatrix(3, 3);
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45 RotatableMatrix objmat = new RotatableMatrix(3, 3);
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46 RotatableMatrix rotmat = new RotatableMatrix(3, 3);
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48 //RubberbandRectangle rubberband;
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49 boolean drawAxes = true;
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57 float[] centre = new float[3];
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58 float[] width = new float[3];
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59 float[] max = new float[3];
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60 float[] min = new float[3];
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75 float scalefactor = 1;
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78 // Controller controller;
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79 public RotatableCanvas(AlignViewport av)
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84 public void setPoints(Vector points, int npoint)
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86 this.points = points;
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87 this.npoint = npoint;
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88 ToolTipManager.sharedInstance().registerComponent(this);
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89 ToolTipManager.sharedInstance().setInitialDelay(0);
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90 ToolTipManager.sharedInstance().setDismissDelay(10000);
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91 PaintRefresher.Register(this, av.alignment);
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93 prefsize = getPreferredSize();
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94 orig = new float[npoint][3];
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96 for (int i = 0; i < npoint; i++)
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98 SequencePoint sp = (SequencePoint) points.elementAt(i);
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100 for (int j = 0; j < 3; j++)
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102 orig[i][j] = sp.coord[j];
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106 //Initialize the matrices to identity
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107 for (int i = 0; i < 3; i++)
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109 for (int j = 0; j < 3; j++)
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113 idmat.addElement(i, j, 0);
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114 objmat.addElement(i, j, 0);
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115 rotmat.addElement(i, j, 0);
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119 idmat.addElement(i, j, 0);
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120 objmat.addElement(i, j, 0);
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121 rotmat.addElement(i, j, 0);
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126 axes = new float[3][3];
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132 scale = findScale();
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134 addMouseListener(this);
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135 addKeyListener(this);
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137 addMouseMotionListener(this);
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141 public void initAxes()
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143 for (int i = 0; i < 3; i++)
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145 for (int j = 0; j < 3; j++)
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162 public void findWidth()
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164 max = new float[3];
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165 min = new float[3];
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167 max[0] = (float) -1e30;
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168 max[1] = (float) -1e30;
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169 max[2] = (float) -1e30;
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171 min[0] = (float) 1e30;
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172 min[1] = (float) 1e30;
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173 min[2] = (float) 1e30;
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175 for (int i = 0; i < 3; i++)
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177 for (int j = 0; j < npoint; j++)
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179 SequencePoint sp = (SequencePoint) points.elementAt(j);
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181 if (sp.coord[i] >= max[i])
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183 max[i] = sp.coord[i];
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186 if (sp.coord[i] <= min[i])
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188 min[i] = sp.coord[i];
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193 // System.out.println("xmax " + max[0] + " min " + min[0]);
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194 //System.out.println("ymax " + max[1] + " min " + min[1]);
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195 //System.out.println("zmax " + max[2] + " min " + min[2]);
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196 width[0] = Math.abs(max[0] - min[0]);
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197 width[1] = Math.abs(max[1] - min[1]);
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198 width[2] = Math.abs(max[2] - min[2]);
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200 maxwidth = width[0];
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202 if (width[1] > width[0])
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204 maxwidth = width[1];
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207 if (width[2] > width[1])
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209 maxwidth = width[2];
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212 //System.out.println("Maxwidth = " + maxwidth);
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218 * @return DOCUMENT ME!
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220 public float findScale()
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226 if (getWidth() != 0)
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228 width = getWidth();
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229 height = getHeight();
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233 width = prefsize.width;
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234 height = prefsize.height;
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237 if (width < height)
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246 return (float) ((dim * scalefactor) / (2 * maxwidth));
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252 public void findCentre()
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254 //Find centre coordinate
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257 centre[0] = (max[0] + min[0]) / 2;
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258 centre[1] = (max[1] + min[1]) / 2;
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259 centre[2] = (max[2] + min[2]) / 2;
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261 // System.out.println("Centre x " + centre[0]);
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262 //System.out.println("Centre y " + centre[1]);
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263 //System.out.println("Centre z " + centre[2]);
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269 * @return DOCUMENT ME!
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271 public Dimension getPreferredSize()
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273 if (prefsize != null)
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279 return new Dimension(400, 400);
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286 * @return DOCUMENT ME!
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288 public Dimension getMinimumSize()
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290 return getPreferredSize();
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296 * @param g DOCUMENT ME!
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298 public void paintComponent(Graphics g)
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302 g.setFont(new Font("Verdana", Font.PLAIN, 18));
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303 g.drawString("Calculating PCA....", 20, getHeight()/2);
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307 //Only create the image at the beginning -
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308 if ( (img == null) || (prefsize.width != getWidth()) ||
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309 (prefsize.height != getHeight()))
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311 prefsize.width = getWidth();
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312 prefsize.height = getHeight();
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314 scale = findScale();
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316 // System.out.println("New scale = " + scale);
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317 img = createImage(getWidth(), getHeight());
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318 ig = img.getGraphics();
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321 drawBackground(ig, Color.black);
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324 if (drawAxes == true)
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329 g.drawImage(img, 0, 0, this);
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336 * @param g DOCUMENT ME!
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338 public void drawAxes(Graphics g)
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340 g.setColor(Color.yellow);
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342 for (int i = 0; i < 3; i++)
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344 g.drawLine(getWidth() / 2, getHeight() / 2,
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345 (int) ((axes[i][0] * scale * max[0]) + (getWidth() / 2)),
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346 (int) ((axes[i][1] * scale * max[1]) + (getHeight() / 2)));
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353 * @param g DOCUMENT ME!
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354 * @param col DOCUMENT ME!
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356 public void drawBackground(Graphics g, Color col)
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359 g.fillRect(0, 0, prefsize.width, prefsize.height);
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365 * @param g DOCUMENT ME!
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367 public void drawScene(Graphics g)
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369 boolean darker = false;
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371 int halfwidth = getWidth() / 2;
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372 int halfheight = getHeight() / 2;
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374 for (int i = 0; i < npoint; i++)
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376 SequencePoint sp = (SequencePoint) points.elementAt(i);
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377 int x = (int) ((float) (sp.coord[0] - centre[0]) * scale) +
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379 int y = (int) ((float) (sp.coord[1] - centre[1]) * scale) +
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381 float z = sp.coord[1] - centre[2];
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383 if (sp.sequence.getColor() == Color.black)
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385 g.setColor(Color.white);
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389 g.setColor(sp.sequence.getColor());
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392 if (av.getSelectionGroup() != null)
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394 if (av.getSelectionGroup().sequences.contains(
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395 ((SequencePoint) points.elementAt(i)).sequence))
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397 g.setColor(Color.gray);
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403 g.setColor(g.getColor().darker());
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406 g.fillRect(x - 3, y - 3, 6, 6);
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407 g.setColor(Color.red);
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410 // //Now the rectangle
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411 // if (rectx2 != -1 && recty2 != -1) {
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412 // g.setColor(Color.white);
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414 // g.drawRect(rectx1,recty1,rectx2-rectx1,recty2-recty1);
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421 * @return DOCUMENT ME!
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423 public Dimension minimumsize()
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431 * @return DOCUMENT ME!
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433 public Dimension preferredsize()
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441 * @param evt DOCUMENT ME!
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443 public void keyTyped(KeyEvent evt)
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450 * @param evt DOCUMENT ME!
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452 public void keyReleased(KeyEvent evt)
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459 * @param evt DOCUMENT ME!
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461 public void keyPressed(KeyEvent evt)
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465 if (evt.getKeyCode() == KeyEvent.VK_UP)
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467 scalefactor = (float) (scalefactor * 1.1);
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468 scale = findScale();
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470 else if (evt.getKeyCode() == KeyEvent.VK_DOWN)
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472 scalefactor = (float) (scalefactor * 0.9);
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473 scale = findScale();
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475 else if (evt.getKeyChar() == 's')
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477 System.err.println("DEBUG: Rectangle selection"); // log.debug
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479 if ((rectx2 != -1) && (recty2 != -1))
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481 rectSelect(rectx1, recty1, rectx2, recty2);
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491 public void printPoints()
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493 for (int i = 0; i < npoint; i++)
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495 SequencePoint sp = (SequencePoint) points.elementAt(i);
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496 Format.print(System.out, "%5d ", i);
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498 for (int j = 0; j < 3; j++)
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500 Format.print(System.out, "%13.3f ", sp.coord[j]);
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503 System.out.println();
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510 * @param evt DOCUMENT ME!
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512 public void mouseClicked(MouseEvent evt)
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519 * @param evt DOCUMENT ME!
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521 public void mouseEntered(MouseEvent evt)
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528 * @param evt DOCUMENT ME!
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530 public void mouseExited(MouseEvent evt)
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537 * @param evt DOCUMENT ME!
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539 public void mouseReleased(MouseEvent evt)
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546 * @param evt DOCUMENT ME!
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548 public void mousePressed(MouseEvent evt)
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550 int x = evt.getX();
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551 int y = evt.getY();
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568 SequenceI found = findPoint(x, y);
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572 if (av.getSelectionGroup() != null)
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574 av.getSelectionGroup().addOrRemove(found, true);
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575 PaintRefresher.Refresh(this, av.alignment);
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579 av.setSelectionGroup(new SequenceGroup());
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580 av.getSelectionGroup().addOrRemove(found, true);
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581 av.getSelectionGroup().setEndRes(av.alignment.getWidth()-1);
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588 // private void fireSequenceSelectionEvent(Selection sel) {
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589 // controller.handleSequenceSelectionEvent(new SequenceSelectionEvent(this,sel));
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591 public void mouseMoved(MouseEvent evt)
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593 SequenceI found = findPoint(evt.getX(), evt.getY());
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597 this.setToolTipText(found.getName());
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601 this.setToolTipText(null);
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608 * @param evt DOCUMENT ME!
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610 public void mouseDragged(MouseEvent evt)
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615 //Check if this is a rectangle drawing drag
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616 if ((evt.getModifiers() & InputEvent.BUTTON2_MASK) != 0)
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618 // rectx2 = evt.getX();
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619 // recty2 = evt.getY();
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623 rotmat.setIdentity();
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625 rotmat.rotate((float) (my - omy), 'x');
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626 rotmat.rotate((float) (mx - omx), 'y');
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628 for (int i = 0; i < npoint; i++)
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630 SequencePoint sp = (SequencePoint) points.elementAt(i);
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631 sp.coord[0] -= centre[0];
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632 sp.coord[1] -= centre[1];
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633 sp.coord[2] -= centre[2];
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635 //Now apply the rotation matrix
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636 sp.coord = rotmat.vectorMultiply(sp.coord);
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638 //Now translate back again
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639 sp.coord[0] += centre[0];
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640 sp.coord[1] += centre[1];
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641 sp.coord[2] += centre[2];
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644 for (int i = 0; i < 3; i++)
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646 axes[i] = rotmat.vectorMultiply(axes[i]);
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652 paint(this.getGraphics());
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659 * @param x1 DOCUMENT ME!
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660 * @param y1 DOCUMENT ME!
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661 * @param x2 DOCUMENT ME!
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662 * @param y2 DOCUMENT ME!
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664 public void rectSelect(int x1, int y1, int x2, int y2)
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666 boolean changedSel = false;
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668 for (int i = 0; i < npoint; i++)
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670 SequencePoint sp = (SequencePoint) points.elementAt(i);
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671 int tmp1 = (int) (((sp.coord[0] - centre[0]) * scale) +
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672 ((float) getWidth() / 2.0));
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673 int tmp2 = (int) (((sp.coord[1] - centre[1]) * scale) +
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674 ((float) getHeight() / 2.0));
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676 if ((tmp1 > x1) && (tmp1 < x2) && (tmp2 > y1) && (tmp2 < y2))
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680 if (!av.getSelectionGroup().sequences.contains(sp.sequence))
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683 av.getSelectionGroup().addSequence(sp.sequence, true);
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689 // if (changedSel) {
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690 // fireSequenceSelectionEvent(av.getSelection());
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697 * @param x DOCUMENT ME!
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698 * @param y DOCUMENT ME!
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700 * @return DOCUMENT ME!
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702 public SequenceI findPoint(int x, int y)
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704 int halfwidth = getWidth() / 2;
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705 int halfheight = getHeight() / 2;
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709 for (int i = 0; i < npoint; i++)
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711 SequencePoint sp = (SequencePoint) points.elementAt(i);
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712 int px = (int) ((float) (sp.coord[0] - centre[0]) * scale) +
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714 int py = (int) ((float) (sp.coord[1] - centre[1]) * scale) +
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717 if ((Math.abs(px - x) < 3) && (Math.abs(py - y) < 3))
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725 return ((SequencePoint) points.elementAt(found)).sequence;
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733 /* public boolean handleRubberbandEvent(RubberbandEvent evt) {
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734 System.out.println("Rubberband handler called in RotatableCanvas with " +
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737 Rubberband rb = (Rubberband)evt.getSource();
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739 // Clear the current selection (instance variable)
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740 //if ((rb.getModifiers() & Event.SHIFT_MASK) == 0) {
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741 // clearSelection();
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744 if (rb.getComponent() == this) {
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745 Rectangle bounds = evt.getBounds();
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746 rectSelect(bounds.x,bounds.y,bounds.x+bounds.width,bounds.y+bounds.height);
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749 redrawneeded = true;
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750 paint(this.getGraphics());
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