2 * Jalview - A Sequence Alignment Editor and Viewer
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3 * Copyright (C) 2006 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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26 import java.awt.event.*;
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30 import javax.swing.*;
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37 * @version $Revision$
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39 public class RotatableCanvas extends JPanel implements MouseListener,
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40 MouseMotionListener, KeyListener
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42 RotatableMatrix idmat = new RotatableMatrix(3, 3);
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43 RotatableMatrix objmat = new RotatableMatrix(3, 3);
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44 RotatableMatrix rotmat = new RotatableMatrix(3, 3);
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46 //RubberbandRectangle rubberband;
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47 boolean drawAxes = true;
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55 float[] centre = new float[3];
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56 float[] width = new float[3];
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57 float[] max = new float[3];
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58 float[] min = new float[3];
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73 float scalefactor = 1;
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76 boolean showLabels = false;
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77 Color bgColour = Color.black;
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78 boolean applyToAllViews = false;
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80 // Controller controller;
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81 public RotatableCanvas(AlignmentPanel ap)
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86 addMouseWheelListener(new MouseWheelListener()
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88 public void mouseWheelMoved(MouseWheelEvent e)
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90 if (e.getWheelRotation() > 0)
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92 scale = (float) (scale * 1.1);
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98 scale = (float) (scale * 0.9);
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106 public void showLabels(boolean b)
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112 public void setPoints(Vector points, int npoint)
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114 this.points = points;
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115 this.npoint = npoint;
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116 ToolTipManager.sharedInstance().registerComponent(this);
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117 ToolTipManager.sharedInstance().setInitialDelay(0);
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118 ToolTipManager.sharedInstance().setDismissDelay(10000);
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120 prefsize = getPreferredSize();
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121 orig = new float[npoint][3];
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123 for (int i = 0; i < npoint; i++)
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125 SequencePoint sp = (SequencePoint) points.elementAt(i);
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127 for (int j = 0; j < 3; j++)
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129 orig[i][j] = sp.coord[j];
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133 //Initialize the matrices to identity
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134 for (int i = 0; i < 3; i++)
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136 for (int j = 0; j < 3; j++)
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140 idmat.addElement(i, j, 0);
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141 objmat.addElement(i, j, 0);
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142 rotmat.addElement(i, j, 0);
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146 idmat.addElement(i, j, 0);
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147 objmat.addElement(i, j, 0);
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148 rotmat.addElement(i, j, 0);
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153 axes = new float[3][3];
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159 scale = findScale();
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161 addMouseListener(this);
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163 addMouseMotionListener(this);
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167 public void initAxes()
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169 for (int i = 0; i < 3; i++)
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171 for (int j = 0; j < 3; j++)
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188 public void findWidth()
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190 max = new float[3];
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191 min = new float[3];
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193 max[0] = (float) -1e30;
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194 max[1] = (float) -1e30;
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195 max[2] = (float) -1e30;
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197 min[0] = (float) 1e30;
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198 min[1] = (float) 1e30;
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199 min[2] = (float) 1e30;
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201 for (int i = 0; i < 3; i++)
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203 for (int j = 0; j < npoint; j++)
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205 SequencePoint sp = (SequencePoint) points.elementAt(j);
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207 if (sp.coord[i] >= max[i])
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209 max[i] = sp.coord[i];
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212 if (sp.coord[i] <= min[i])
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214 min[i] = sp.coord[i];
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219 // System.out.println("xmax " + max[0] + " min " + min[0]);
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220 //System.out.println("ymax " + max[1] + " min " + min[1]);
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221 //System.out.println("zmax " + max[2] + " min " + min[2]);
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222 width[0] = Math.abs(max[0] - min[0]);
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223 width[1] = Math.abs(max[1] - min[1]);
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224 width[2] = Math.abs(max[2] - min[2]);
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226 maxwidth = width[0];
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228 if (width[1] > width[0])
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230 maxwidth = width[1];
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233 if (width[2] > width[1])
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235 maxwidth = width[2];
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238 //System.out.println("Maxwidth = " + maxwidth);
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244 * @return DOCUMENT ME!
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246 public float findScale()
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252 if (getWidth() != 0)
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254 width = getWidth();
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255 height = getHeight();
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259 width = prefsize.width;
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260 height = prefsize.height;
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263 if (width < height)
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272 return (float) ((dim * scalefactor) / (2 * maxwidth));
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278 public void findCentre()
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280 //Find centre coordinate
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283 centre[0] = (max[0] + min[0]) / 2;
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284 centre[1] = (max[1] + min[1]) / 2;
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285 centre[2] = (max[2] + min[2]) / 2;
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287 // System.out.println("Centre x " + centre[0]);
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288 //System.out.println("Centre y " + centre[1]);
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289 //System.out.println("Centre z " + centre[2]);
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295 * @return DOCUMENT ME!
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297 public Dimension getPreferredSize()
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299 if (prefsize != null)
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305 return new Dimension(400, 400);
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312 * @return DOCUMENT ME!
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314 public Dimension getMinimumSize()
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316 return getPreferredSize();
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322 * @param g DOCUMENT ME!
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324 public void paintComponent(Graphics g1)
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327 Graphics2D g = (Graphics2D) g1;
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329 g.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
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330 RenderingHints.VALUE_ANTIALIAS_ON);
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333 g.setFont(new Font("Verdana", Font.PLAIN, 18));
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334 g.drawString("Calculating PCA....", 20, getHeight()/2);
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338 //Only create the image at the beginning -
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339 if ( (img == null) || (prefsize.width != getWidth()) ||
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340 (prefsize.height != getHeight()))
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342 prefsize.width = getWidth();
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343 prefsize.height = getHeight();
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345 scale = findScale();
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347 // System.out.println("New scale = " + scale);
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348 img = createImage(getWidth(), getHeight());
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349 ig = img.getGraphics();
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353 drawBackground(ig, bgColour);
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356 if (drawAxes == true)
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361 g.drawImage(img, 0, 0, this);
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368 * @param g DOCUMENT ME!
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370 public void drawAxes(Graphics g)
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373 g.setColor(Color.yellow);
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375 for (int i = 0; i < 3; i++)
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377 g.drawLine(getWidth() / 2, getHeight() / 2,
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378 (int) ((axes[i][0] * scale * max[0]) + (getWidth() / 2)),
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379 (int) ((axes[i][1] * scale * max[1]) + (getHeight() / 2)));
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386 * @param g DOCUMENT ME!
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387 * @param col DOCUMENT ME!
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389 public void drawBackground(Graphics g, Color col)
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392 g.fillRect(0, 0, prefsize.width, prefsize.height);
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398 * @param g DOCUMENT ME!
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400 public void drawScene(Graphics g1)
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403 Graphics2D g = (Graphics2D) g1;
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405 g.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
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406 RenderingHints.VALUE_ANTIALIAS_ON);
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409 int halfwidth = getWidth() / 2;
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410 int halfheight = getHeight() / 2;
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412 for (int i = 0; i < npoint; i++)
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414 SequencePoint sp = (SequencePoint) points.elementAt(i);
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415 int x = (int) ((float) (sp.coord[0] - centre[0]) * scale) +
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417 int y = (int) ((float) (sp.coord[1] - centre[1]) * scale) +
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419 float z = sp.coord[1] - centre[2];
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421 if (av.getSequenceColour(sp.sequence) == Color.black)
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423 g.setColor(Color.white);
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427 g.setColor(av.getSequenceColour(sp.sequence));
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430 if (av.getSelectionGroup() != null)
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432 if (av.getSelectionGroup().getSequences(false).contains(
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433 ((SequencePoint) points.elementAt(i)).sequence))
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435 g.setColor(Color.gray);
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441 g.setColor(g.getColor().darker());
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444 g.fillRect(x - 3, y - 3, 6, 6);
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447 g.setColor(Color.red);
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448 g.drawString( ( (SequencePoint) points.elementAt(i)).sequence.
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454 // //Now the rectangle
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455 // if (rectx2 != -1 && recty2 != -1) {
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456 // g.setColor(Color.white);
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458 // g.drawRect(rectx1,recty1,rectx2-rectx1,recty2-recty1);
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465 * @return DOCUMENT ME!
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467 public Dimension minimumsize()
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475 * @return DOCUMENT ME!
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477 public Dimension preferredsize()
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485 * @param evt DOCUMENT ME!
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487 public void keyTyped(KeyEvent evt)
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494 * @param evt DOCUMENT ME!
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496 public void keyReleased(KeyEvent evt)
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503 * @param evt DOCUMENT ME!
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505 public void keyPressed(KeyEvent evt)
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507 if (evt.getKeyCode() == KeyEvent.VK_UP)
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509 scalefactor = (float) (scalefactor * 1.1);
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510 scale = findScale();
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512 else if (evt.getKeyCode() == KeyEvent.VK_DOWN)
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514 scalefactor = (float) (scalefactor * 0.9);
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515 scale = findScale();
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517 else if (evt.getKeyChar() == 's')
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519 System.err.println("DEBUG: Rectangle selection"); // log.debug
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521 if ((rectx2 != -1) && (recty2 != -1))
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523 rectSelect(rectx1, recty1, rectx2, recty2);
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534 * @param evt DOCUMENT ME!
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536 public void mouseClicked(MouseEvent evt)
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543 * @param evt DOCUMENT ME!
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545 public void mouseEntered(MouseEvent evt)
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552 * @param evt DOCUMENT ME!
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554 public void mouseExited(MouseEvent evt)
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561 * @param evt DOCUMENT ME!
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563 public void mouseReleased(MouseEvent evt)
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570 * @param evt DOCUMENT ME!
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572 public void mousePressed(MouseEvent evt)
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574 int x = evt.getX();
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575 int y = evt.getY();
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592 SequenceI found = findPoint(x, y);
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596 AlignmentPanel[] aps = getAssociatedPanels();
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598 for (int a = 0; a < aps.length; a++)
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600 if (aps[a].av.getSelectionGroup() != null)
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602 aps[a].av.getSelectionGroup().addOrRemove(found, true);
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606 aps[a].av.setSelectionGroup(new SequenceGroup());
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607 aps[a].av.getSelectionGroup().addOrRemove(found, true);
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608 aps[a].av.getSelectionGroup().setEndRes(
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609 aps[a].av.alignment.getWidth() - 1);
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613 PaintRefresher.Refresh(this, av.getSequenceSetId());
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619 // private void fireSequenceSelectionEvent(Selection sel) {
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620 // controller.handleSequenceSelectionEvent(new SequenceSelectionEvent(this,sel));
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622 public void mouseMoved(MouseEvent evt)
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624 SequenceI found = findPoint(evt.getX(), evt.getY());
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628 this.setToolTipText(found.getName());
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632 this.setToolTipText(null);
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639 * @param evt DOCUMENT ME!
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641 public void mouseDragged(MouseEvent evt)
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646 //Check if this is a rectangle drawing drag
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647 if ((evt.getModifiers() & InputEvent.BUTTON2_MASK) != 0)
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649 // rectx2 = evt.getX();
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650 // recty2 = evt.getY();
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654 rotmat.setIdentity();
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656 rotmat.rotate((float) (my - omy), 'x');
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657 rotmat.rotate((float) (mx - omx), 'y');
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659 for (int i = 0; i < npoint; i++)
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661 SequencePoint sp = (SequencePoint) points.elementAt(i);
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662 sp.coord[0] -= centre[0];
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663 sp.coord[1] -= centre[1];
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664 sp.coord[2] -= centre[2];
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666 //Now apply the rotation matrix
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667 sp.coord = rotmat.vectorMultiply(sp.coord);
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669 //Now translate back again
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670 sp.coord[0] += centre[0];
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671 sp.coord[1] += centre[1];
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672 sp.coord[2] += centre[2];
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675 for (int i = 0; i < 3; i++)
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677 axes[i] = rotmat.vectorMultiply(axes[i]);
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683 paint(this.getGraphics());
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690 * @param x1 DOCUMENT ME!
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691 * @param y1 DOCUMENT ME!
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692 * @param x2 DOCUMENT ME!
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693 * @param y2 DOCUMENT ME!
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695 public void rectSelect(int x1, int y1, int x2, int y2)
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697 for (int i = 0; i < npoint; i++)
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699 SequencePoint sp = (SequencePoint) points.elementAt(i);
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700 int tmp1 = (int) (((sp.coord[0] - centre[0]) * scale) +
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701 ((float) getWidth() / 2.0));
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702 int tmp2 = (int) (((sp.coord[1] - centre[1]) * scale) +
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703 ((float) getHeight() / 2.0));
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705 if ((tmp1 > x1) && (tmp1 < x2) && (tmp2 > y1) && (tmp2 < y2))
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709 if (!av.getSelectionGroup().getSequences(false).contains(sp.sequence))
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711 av.getSelectionGroup().addSequence(sp.sequence, true);
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717 // if (changedSel) {
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718 // fireSequenceSelectionEvent(av.getSelection());
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725 * @param x DOCUMENT ME!
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726 * @param y DOCUMENT ME!
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728 * @return DOCUMENT ME!
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730 public SequenceI findPoint(int x, int y)
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732 int halfwidth = getWidth() / 2;
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733 int halfheight = getHeight() / 2;
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737 for (int i = 0; i < npoint; i++)
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739 SequencePoint sp = (SequencePoint) points.elementAt(i);
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740 int px = (int) ((float) (sp.coord[0] - centre[0]) * scale) +
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742 int py = (int) ((float) (sp.coord[1] - centre[1]) * scale) +
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745 if ((Math.abs(px - x) < 3) && (Math.abs(py - y) < 3))
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753 return ((SequencePoint) points.elementAt(found)).sequence;
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761 AlignmentPanel[] getAssociatedPanels()
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763 if (applyToAllViews)
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765 return PaintRefresher.getAssociatedPanels(av.getSequenceSetId());
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768 return new AlignmentPanel[]
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