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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22 import java.awt.event.*;
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23 import java.awt.image.*;
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25 import javax.swing.*;
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32 * @version $Revision$
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34 public class OverviewPanel extends JPanel implements Runnable
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36 BufferedImage miniMe;
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42 int sequencesHeight;
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43 int graphHeight = 20;
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48 boolean resizing = false;
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50 // Can set different properties in this seqCanvas than
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51 // main visible SeqCanvas
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52 SeqCanvas overviewSeq;
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55 * Creates a new OverviewPanel object.
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57 * @param ap DOCUMENT ME!
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59 public OverviewPanel(AlignmentPanel ap)
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65 overviewSeq = new SeqCanvas(av);
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66 overviewSeq.isOverview = true;
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67 overviewSeq.sr.renderGaps = false;
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69 // scale the initial size of overviewpanel to shape of alignment
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70 float initialScale = (float) av.alignment.getWidth() / (float) av.alignment.getHeight();
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72 if(av.vconsensus==null)
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76 if (av.alignment.getWidth() > av.alignment.getHeight())
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80 sequencesHeight = (int) (400f / initialScale);
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81 if(sequencesHeight<40)
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82 sequencesHeight = 40;
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87 width = (int) (400f * initialScale);
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88 sequencesHeight = 300;
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96 addComponentListener(new ComponentAdapter()
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98 public void componentResized(ComponentEvent evt)
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100 if ((getWidth() != width) ||
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101 (getHeight() != (sequencesHeight + graphHeight)))
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103 updateOverviewImage();
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108 addMouseMotionListener(new MouseMotionAdapter()
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110 public void mouseDragged(MouseEvent evt)
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112 if(!av.wrapAlignment)
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113 doMouseDragged(evt);
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117 addMouseListener(new MouseAdapter()
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119 public void mousePressed(MouseEvent evt)
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121 if(!av.wrapAlignment)
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122 doMousePressed(evt);
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125 public void mouseReleased(MouseEvent evt)
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127 if(!av.wrapAlignment)
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128 doMouseReleased(evt);
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132 updateOverviewImage();
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138 * @param evt DOCUMENT ME!
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140 public void doMousePressed(MouseEvent evt)
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152 * @param evt DOCUMENT ME!
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154 public void doMouseReleased(MouseEvent evt)
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160 ap.setScrollValues((int) (boxX / scalew / av.getCharWidth()),
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161 (int) (boxY / scaleh / av.getCharHeight()));
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167 * @param evt DOCUMENT ME!
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169 public void doMouseDragged(MouseEvent evt)
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175 ap.setScrollValues( (int) (boxX / scalew / av.getCharWidth()),
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176 (int) (boxY / scaleh / av.getCharHeight()));
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190 if (boxY > (sequencesHeight - boxHeight))
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192 boxY = sequencesHeight - boxHeight + 1;
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200 if (boxX > (width - boxWidth))
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202 boxX = width - boxWidth;
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209 public void updateOverviewImage()
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213 resizeAgain = true;
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219 if ( (getWidth() > 0) && (getHeight() > 0))
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221 width = getWidth();
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222 sequencesHeight = getHeight() - graphHeight;
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225 setPreferredSize(new Dimension(width, sequencesHeight + graphHeight));
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228 Thread thread = new Thread(this);
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233 // This is set true if the user resizes whilst
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234 // the overview is being calculated
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235 boolean resizeAgain = false;
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244 int alwidth = av.alignment.getWidth();
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245 int alheight = av.alignment.getHeight();
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247 setPreferredSize(new Dimension(width, sequencesHeight + graphHeight));
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249 int fullsizeWidth = alwidth * av.getCharWidth();
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250 int fullsizeHeight = alheight * av.getCharHeight();
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252 scalew = (float) width / (float) fullsizeWidth;
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253 scaleh = (float) sequencesHeight / (float) fullsizeHeight;
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255 miniMe = new BufferedImage(width, sequencesHeight + graphHeight,
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256 BufferedImage.TYPE_INT_RGB);
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259 Graphics mg = miniMe.getGraphics();
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261 float sampleCol = (float) alwidth / (float) width;
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262 float sampleRow = (float) alheight / (float) sequencesHeight;
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264 for (int col = 0; col < width; col++)
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266 for (int row = 0; row < sequencesHeight; row++)
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268 overviewSeq.drawPanel(mg,
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269 (int) (col * sampleCol),
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270 (int) (col * sampleCol),
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271 (int) (row * sampleRow),
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272 (int) (row * sampleRow) + 1,
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273 (int) (col * sampleCol),
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274 (int) (row * sampleRow), 0);
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275 mg.translate(0, 1);
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277 if (av.conservation != null)
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278 ap.annotationPanel.drawGraph(mg, av.conservation,
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279 (int) (sampleCol) + 1,
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281 (int) (col * sampleCol),
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282 (int) (col * sampleCol) + 1);
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285 mg.translate(0, -sequencesHeight);
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286 mg.translate(1, 0);
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298 resizeAgain = false;
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299 updateOverviewImage();
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306 public void setBoxPosition()
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308 int fullsizeWidth = av.alignment.getWidth() * av.getCharWidth();
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309 int fullsizeHeight = av.alignment.getHeight() * av.getCharHeight();
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311 scalew = (float) width / (float) fullsizeWidth;
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312 scaleh = (float) sequencesHeight / (float) fullsizeHeight;
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314 boxX = (int) (av.getStartRes() * av.getCharWidth() * scalew);
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315 boxY = (int) (av.getStartSeq() * av.getCharHeight() * scaleh);
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316 boxWidth = (int) ((av.getEndRes() - av.getStartRes() + 1) * av.getCharWidth() * scalew);
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317 boxHeight = (int) (av.getEndSeq() * av.getCharHeight() * scaleh) -
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325 * @param g DOCUMENT ME!
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327 public void paintComponent(Graphics g)
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329 if (miniMe != null && !resizing)
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331 g.drawImage(miniMe, 0, 0, this);
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335 g.setColor(Color.white);
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336 g.fillRect(0, 0, getWidth(), getHeight());
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337 g.setColor(Color.black);
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338 g.setFont(new Font("Verdana", Font.BOLD, 15));
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339 g.drawString("Recalculating", 5, sequencesHeight / 2);
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340 g.drawString("Overview.....", 5, (sequencesHeight / 2) + 20);
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344 g.setColor(Color.red);
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345 g.drawRect(boxX, boxY, boxWidth, boxHeight);
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346 g.drawRect(boxX + 1, boxY + 1, boxWidth - 2, boxHeight - 2);
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