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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66 if ((evt.getModifiers() & InputEvent.BUTTON3_MASK)
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67 == InputEvent.BUTTON3_MASK)
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69 PopupMenu pop = new PopupMenu();
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72 MenuItem item = new MenuItem("Reveal");
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73 item.addActionListener(new ActionListener()
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75 public void actionPerformed(ActionEvent e)
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77 av.showColumn(reveal[0]);
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80 if (ap.overviewPanel != null)
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81 ap.overviewPanel.updateOverviewImage();
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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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102 pop.show(this, evt.getX(), evt.getY());
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104 else if (av.getColumnSelection().contains(res))
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106 MenuItem item = new MenuItem("Hide Columns");
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107 item.addActionListener(new ActionListener()
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109 public void actionPerformed(ActionEvent e)
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111 av.hideColumns(res, res);
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113 if (ap.overviewPanel != null)
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114 ap.overviewPanel.updateOverviewImage();
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118 pop.show(this, evt.getX(), evt.getY());
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121 else // LEFT MOUSE TO SELECT
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123 if (!evt.isControlDown() && !evt.isShiftDown())
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125 av.getColumnSelection().clear();
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128 av.getColumnSelection().addElement(res);
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129 SequenceGroup sg = new SequenceGroup();
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130 for (int i = 0; i < av.alignment.getSequences().size(); i++)
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132 sg.addSequence(av.alignment.getSequenceAt(i), false);
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135 sg.setStartRes(res);
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137 av.setSelectionGroup(sg);
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139 if(evt.isShiftDown())
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141 int min = Math.min(av.getColumnSelection().getMin(), res);
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142 int max = Math.max(av.getColumnSelection().getMax(), res);
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143 for (int i = min; i<max; i++)
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145 av.getColumnSelection().addElement(i);
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147 sg.setStartRes(min);
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155 public void mouseReleased(MouseEvent evt)
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157 mouseDragging = false;
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159 int res = (evt.getX() / av.getCharWidth()) + av.getStartRes();
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161 if(res> av.alignment.getWidth())
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163 res = av.alignment.getWidth()-1;
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166 if(av.hasHiddenColumns)
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167 res = av.getColumnSelection().adjustForHiddenColumns(res);
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169 if (!stretchingGroup)
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176 SequenceGroup sg = av.getSelectionGroup();
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178 if (res > sg.getStartRes())
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182 else if (res < sg.getStartRes())
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184 sg.setStartRes(res);
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187 stretchingGroup = false;
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191 public void mouseDragged(MouseEvent evt)
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193 mouseDragging = true;
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195 int res = (evt.getX() / av.getCharWidth()) + av.getStartRes();
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199 if (av.hasHiddenColumns)
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200 res = av.getColumnSelection().adjustForHiddenColumns(res);
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202 if (res > av.alignment.getWidth())
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204 res = av.alignment.getWidth() - 1;
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217 SequenceGroup sg = av.getSelectionGroup();
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221 stretchingGroup = true;
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223 if (!av.getColumnSelection().contains(res))
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225 av.getColumnSelection().addElement(res);
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228 if (res > sg.getStartRes())
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232 if (res < sg.getStartRes())
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234 sg.setStartRes(res);
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237 for (int i = min; i <= max; i++)
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239 if ( (i < sg.getStartRes()) || (i > sg.getEndRes()))
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241 av.getColumnSelection().removeElement(i);
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245 av.getColumnSelection().addElement(i);
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254 public void mouseEntered(MouseEvent evt)
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257 ap.seqPanel.scrollCanvas(null);
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260 public void mouseExited(MouseEvent evt)
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263 ap.seqPanel.scrollCanvas(evt);
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266 public void mouseClicked(MouseEvent evt)
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271 public void mouseMoved(MouseEvent evt)
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273 if (!av.hasHiddenColumns)
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276 int res = (evt.getX() / av.getCharWidth()) + av.getStartRes();
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278 res = av.getColumnSelection().adjustForHiddenColumns(res);
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281 for (int i = 0; i < av.getColumnSelection().getHiddenColumns().size(); i++)
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283 int[] region = (int[]) av.getColumnSelection().getHiddenColumns().
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285 if (res + 1 == region[0] || res - 1 == region[1])
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295 public void update(Graphics g)
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300 public void paint(Graphics g)
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302 drawScale(g, av.getStartRes(), av.getEndRes(), getSize().width,
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306 // scalewidth will normally be screenwidth,
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307 public void drawScale(Graphics gg, int startx, int endx, int width,
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310 gg.setFont(av.getFont());
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313 //Fill in the background
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314 gg.setColor(Color.white);
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315 gg.fillRect(0, 0, width, height);
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316 gg.setColor(Color.black);
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318 //Fill the selected columns
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319 ColumnSelection cs = av.getColumnSelection();
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320 gg.setColor(new Color(220, 0, 0));
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322 for (int i = 0; i < cs.size(); i++)
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324 int sel = cs.columnAt(i);
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325 if(av.hasHiddenColumns)
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326 sel = av.getColumnSelection().findColumnPosition(sel);
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329 if ((sel >= startx) && (sel <= endx))
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331 gg.fillRect((sel - startx) * av.charWidth, 0, av.charWidth,
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336 // Draw the scale numbers
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337 gg.setColor(Color.black);
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339 int scalestartx = (startx / 10) * 10;
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341 FontMetrics fm = gg.getFontMetrics(av.getFont());
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342 int y = av.charHeight - fm.getDescent();
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344 if ((scalestartx % 10) == 0)
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352 for (int i = scalestartx; i < endx; i += 5)
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356 string = String.valueOf(av.getColumnSelection().adjustForHiddenColumns(i));
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357 if ( (i - startx - 1) * av.charWidth > maxX)
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359 gg.drawString(string,
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360 (i - startx - 1) * av.charWidth, y);
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361 maxX = (i - startx + 1) * av.charWidth + fm.stringWidth(string);
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364 gg.drawLine( (int) ( ( (i - startx - 1) * av.charWidth) +
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365 (av.charWidth / 2)), y + 2,
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366 (int) ( ( (i - startx - 1) * av.charWidth) +
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367 (av.charWidth / 2)),
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368 y + (fm.getDescent() * 2));
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373 gg.drawLine((int) (((i - startx - 1) * av.charWidth) +
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374 (av.charWidth / 2)), y + fm.getDescent(),
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375 (int) (((i - startx - 1) * av.charWidth) +
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376 (av.charWidth / 2)), y + (fm.getDescent() * 2));
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380 if (av.hasHiddenColumns)
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382 gg.setColor(Color.blue);
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384 if(av.getShowHiddenMarkers())
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386 for (int i = 0; i < av.getColumnSelection().getHiddenColumns().size();
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390 res = av.getColumnSelection().findHiddenRegionPosition(i) -
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393 if(res < 0 || res > endx-scalestartx)
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396 gg.fillPolygon(new int[]
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397 {res * av.charWidth - av.charHeight / 4,
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398 res * av.charWidth + av.charHeight / 4,
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399 res * av.charWidth},
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402 y - av.charHeight / 2, y - av.charHeight / 2,
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409 if (reveal != null && reveal[0] > startx && reveal[0] < endx)
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411 gg.drawString("Reveal Columns", reveal[0] * av.charWidth, 0);
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