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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20 package jalview.appletgui;
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23 import java.awt.event.*;
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25 import jalview.datamodel.*;
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27 public class ScalePanel
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28 extends Panel implements MouseMotionListener, MouseListener
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31 protected int offy = 4;
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34 protected AlignViewport av;
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37 boolean stretchingGroup = false;
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38 int min; //used by mouseDragged to see if user
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39 int max; //used by mouseDragged to see if user
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40 boolean mouseDragging = false;
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43 public ScalePanel(AlignViewport av, AlignmentPanel ap)
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49 addMouseListener(this);
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50 addMouseMotionListener(this);
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54 public void mousePressed(MouseEvent evt)
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56 int x = (evt.getX() / av.getCharWidth()) + av.getStartRes();
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59 if (av.hasHiddenColumns)
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60 res = av.getColumnSelection().adjustForHiddenColumns(x);
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67 && (evt.getModifiers() & InputEvent.BUTTON3_MASK)
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68 == InputEvent.BUTTON3_MASK)
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71 MenuItem item = new MenuItem("Reveal");
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72 item.addActionListener(new ActionListener()
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74 public void actionPerformed(ActionEvent e)
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76 av.showColumn(reveal[0]);
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79 if (ap.overviewPanel != null)
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80 ap.overviewPanel.updateOverviewImage();
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83 PopupMenu pop = new PopupMenu();
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86 if (av.getColumnSelection().getHiddenColumns().size() > 1)
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88 item = new MenuItem("Reveal All");
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89 item.addActionListener(new ActionListener()
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91 public void actionPerformed(ActionEvent e)
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93 av.showAllHiddenColumns();
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96 if (ap.overviewPanel != null)
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97 ap.overviewPanel.updateOverviewImage();
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104 pop.show(this, evt.getX(), evt.getY());
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107 else if (av.getColumnSelection().contains(res))
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109 if ( (evt.getModifiers() & InputEvent.BUTTON3_MASK)
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110 == InputEvent.BUTTON3_MASK)
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112 MenuItem item = new MenuItem("Hide Columns");
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113 item.addActionListener(new ActionListener()
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115 public void actionPerformed(ActionEvent e)
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117 av.hideColumns(res, res);
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119 if (ap.overviewPanel != null)
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120 ap.overviewPanel.updateOverviewImage();
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123 PopupMenu pop = new PopupMenu();
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126 pop.show(this, evt.getX(), evt.getY());
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130 av.getColumnSelection().removeElement(res);
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131 av.setSelectionGroup(null);
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136 av.getColumnSelection().addElement(res);
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137 SequenceGroup sg = new SequenceGroup();
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139 for (int i = 0; i < av.alignment.getSequences().size(); i++)
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141 sg.addSequence(av.alignment.getSequenceAt(i), false);
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144 sg.setStartRes(res);
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146 av.setSelectionGroup(sg);
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151 public void mouseReleased(MouseEvent evt)
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153 mouseDragging = false;
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155 int res = (evt.getX() / av.getCharWidth()) + av.getStartRes();
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157 if(res> av.alignment.getWidth())
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159 res = av.alignment.getWidth()-1;
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162 if(av.hasHiddenColumns)
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163 res = av.getColumnSelection().adjustForHiddenColumns(res);
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165 if (!stretchingGroup)
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172 SequenceGroup sg = av.getSelectionGroup();
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174 if (res > sg.getStartRes())
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178 else if (res < sg.getStartRes())
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180 sg.setStartRes(res);
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183 stretchingGroup = false;
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187 public void mouseDragged(MouseEvent evt)
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189 mouseDragging = true;
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191 int res = (evt.getX() / av.getCharWidth()) + av.getStartRes();
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195 if (av.hasHiddenColumns)
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196 res = av.getColumnSelection().adjustForHiddenColumns(res);
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198 if (res > av.alignment.getWidth())
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200 res = av.alignment.getWidth() - 1;
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213 SequenceGroup sg = av.getSelectionGroup();
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217 stretchingGroup = true;
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219 if (!av.getColumnSelection().contains(res))
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221 av.getColumnSelection().addElement(res);
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224 if (res > sg.getStartRes())
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228 if (res < sg.getStartRes())
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230 sg.setStartRes(res);
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233 for (int i = min; i <= max; i++)
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235 if ( (i < sg.getStartRes()) || (i > sg.getEndRes()))
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237 av.getColumnSelection().removeElement(i);
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241 av.getColumnSelection().addElement(i);
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250 public void mouseEntered(MouseEvent evt)
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253 ap.seqPanel.scrollCanvas(null);
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256 public void mouseExited(MouseEvent evt)
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259 ap.seqPanel.scrollCanvas(evt);
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262 public void mouseClicked(MouseEvent evt)
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267 public void mouseMoved(MouseEvent evt)
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269 if (!av.hasHiddenColumns)
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272 int res = (evt.getX() / av.getCharWidth()) + av.getStartRes();
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274 res = av.getColumnSelection().adjustForHiddenColumns(res);
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277 for (int i = 0; i < av.getColumnSelection().getHiddenColumns().size(); i++)
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279 int[] region = (int[]) av.getColumnSelection().getHiddenColumns().
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281 if (res + 1 == region[0] || res - 1 == region[1])
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291 public void update(Graphics g)
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296 public void paint(Graphics g)
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298 drawScale(g, av.getStartRes(), av.getEndRes(), getSize().width,
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302 // scalewidth will normally be screenwidth,
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303 public void drawScale(Graphics gg, int startx, int endx, int width,
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306 gg.setFont(av.getFont());
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309 //Fill in the background
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310 gg.setColor(Color.white);
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311 gg.fillRect(0, 0, width, height);
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312 gg.setColor(Color.black);
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314 //Fill the selected columns
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315 ColumnSelection cs = av.getColumnSelection();
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316 gg.setColor(new Color(220, 0, 0));
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318 for (int i = 0; i < cs.size(); i++)
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320 int sel = cs.columnAt(i);
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321 if(av.hasHiddenColumns)
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322 sel = av.getColumnSelection().findColumnPosition(sel);
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325 if ((sel >= startx) && (sel <= endx))
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327 gg.fillRect((sel - startx) * av.charWidth, 0, av.charWidth,
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332 // Draw the scale numbers
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333 gg.setColor(Color.black);
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335 int scalestartx = (startx / 10) * 10;
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337 FontMetrics fm = gg.getFontMetrics(av.getFont());
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338 int y = av.charHeight - fm.getDescent();
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340 if ((scalestartx % 10) == 0)
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348 for (int i = scalestartx; i < endx; i += 5)
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352 string = String.valueOf(av.getColumnSelection().adjustForHiddenColumns(i));
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353 if ( (i - startx - 1) * av.charWidth > maxX)
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355 gg.drawString(string,
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356 (i - startx - 1) * av.charWidth, y);
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357 maxX = (i - startx + 1) * av.charWidth + fm.stringWidth(string);
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360 gg.drawLine( (int) ( ( (i - startx - 1) * av.charWidth) +
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361 (av.charWidth / 2)), y + 2,
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362 (int) ( ( (i - startx - 1) * av.charWidth) +
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363 (av.charWidth / 2)),
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364 y + (fm.getDescent() * 2));
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369 gg.drawLine((int) (((i - startx - 1) * av.charWidth) +
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370 (av.charWidth / 2)), y + fm.getDescent(),
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371 (int) (((i - startx - 1) * av.charWidth) +
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372 (av.charWidth / 2)), y + (fm.getDescent() * 2));
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376 if (av.hasHiddenColumns)
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378 gg.setColor(Color.blue);
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380 if(av.getShowHiddenMarkers())
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382 for (int i = 0; i < av.getColumnSelection().getHiddenColumns().size();
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386 res = av.getColumnSelection().findHiddenRegionPosition(i) -
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389 if(res < 0 || res > endx-scalestartx)
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392 gg.fillPolygon(new int[]
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393 {res * av.charWidth - av.charHeight / 4,
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394 res * av.charWidth + av.charHeight / 4,
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395 res * av.charWidth},
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398 y - av.charHeight / 2, y - av.charHeight / 2,
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405 if (reveal != null && reveal[0] > startx && reveal[0] < endx)
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407 gg.drawString("Reveal Columns", reveal[0] * av.charWidth, 0);
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