Coverage Report
File ScalePanel.java
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Classes
| Class | Line # | Actions | |||
|---|---|---|---|---|---|
| ScalePanel | 57 | 170 | 57 |
Contributing tests
This file is covered by 189 tests.
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| 1 | /* | |
| 2 | * Jalview - A Sequence Alignment Editor and Viewer ($$Version-Rel$$) | |
| 3 | * Copyright (C) $$Year-Rel$$ The Jalview Authors | |
| 4 | * | |
| 5 | * This file is part of Jalview. | |
| 6 | * | |
| 7 | * Jalview is free software: you can redistribute it and/or | |
| 8 | * modify it under the terms of the GNU General Public License | |
| 9 | * as published by the Free Software Foundation, either version 3 | |
| 10 | * of the License, or (at your option) any later version. | |
| 11 | * | |
| 12 | * Jalview is distributed in the hope that it will be useful, but | |
| 13 | * WITHOUT ANY WARRANTY; without even the implied warranty | |
| 14 | * of MERCHANTABILITY or FITNESS FOR A PARTICULAR | |
| 15 | * PURPOSE. See the GNU General Public License for more details. | |
| 16 | * | |
| 17 | * You should have received a copy of the GNU General Public License | |
| 18 | * along with Jalview. If not, see <http://www.gnu.org/licenses/>. | |
| 19 | * The Jalview Authors are detailed in the 'AUTHORS' file. | |
| 20 | */ | |
| 21 | package jalview.gui; | |
| 22 | ||
| 23 | import java.awt.Color; | |
| 24 | import java.awt.FontMetrics; | |
| 25 | import java.awt.Graphics; | |
| 26 | import java.awt.Graphics2D; | |
| 27 | import java.awt.Point; | |
| 28 | import java.awt.RenderingHints; | |
| 29 | import java.awt.event.ActionEvent; | |
| 30 | import java.awt.event.ActionListener; | |
| 31 | import java.awt.event.MouseEvent; | |
| 32 | import java.awt.event.MouseListener; | |
| 33 | import java.awt.event.MouseMotionListener; | |
| 34 | import java.beans.PropertyChangeEvent; | |
| 35 | import java.util.Iterator; | |
| 36 | import java.util.List; | |
| 37 | ||
| 38 | import javax.swing.JMenuItem; | |
| 39 | import javax.swing.JPanel; | |
| 40 | import javax.swing.JPopupMenu; | |
| 41 | import javax.swing.ToolTipManager; | |
| 42 | ||
| 43 | import jalview.datamodel.ColumnSelection; | |
| 44 | import jalview.datamodel.HiddenColumns; | |
| 45 | import jalview.datamodel.SequenceGroup; | |
| 46 | import jalview.renderer.ScaleRenderer; | |
| 47 | import jalview.renderer.ScaleRenderer.ScaleMark; | |
| 48 | import jalview.util.MessageManager; | |
| 49 | import jalview.util.Platform; | |
| 50 | import jalview.viewmodel.ViewportListenerI; | |
| 51 | import jalview.viewmodel.ViewportRanges; | |
| 52 | ||
| 53 | /** | |
| 54 | * The panel containing the sequence ruler (when not in wrapped mode), and | |
| 55 | * supports a range of mouse operations to select, hide or reveal columns. | |
| 56 | */ | |
| 57 | public class ScalePanel extends JPanel | |
| 58 | implements MouseMotionListener, MouseListener, ViewportListenerI | |
| 59 | { | |
| 60 | protected int offy = 4; | |
| 61 | ||
| 62 | public int width; | |
| 63 | ||
| 64 | protected AlignViewport av; | |
| 65 | ||
| 66 | AlignmentPanel ap; | |
| 67 | ||
| 68 | boolean stretchingGroup = false; | |
| 69 | ||
| 70 | /* | |
| 71 | * min, max hold the extent of a mouse drag action | |
| 72 | */ | |
| 73 | int min; | |
| 74 | ||
| 75 | int max; | |
| 76 | ||
| 77 | boolean mouseDragging = false; | |
| 78 | ||
| 79 | /* | |
| 80 | * holds a hidden column range when the mouse is over an adjacent column | |
| 81 | */ | |
| 82 | int[] reveal; | |
| 83 | ||
| 84 | /** | |
| 85 | * Constructor | |
| 86 | * | |
| 87 | * @param av | |
| 88 | * @param ap | |
| 89 | */ | |
| 90 | 477 |  public ScalePanel(AlignViewport av, AlignmentPanel ap) |
| 91 | { | |
| 92 | 477 | this.av = av; |
| 93 | 477 | this.ap = ap; |
| 94 | ||
| 95 | 477 | addMouseListener(this); |
| 96 | 477 | addMouseMotionListener(this); |
| 97 | ||
| 98 | 477 | av.getRanges().addPropertyChangeListener(this); |
| 99 | } | |
| 100 | ||
| 101 | /** | |
| 102 | * DOCUMENT ME! | |
| 103 | * | |
| 104 | * @param evt | |
| 105 | * DOCUMENT ME! | |
| 106 | */ | |
| 107 | 3 | @Override |
| 108 | public void mousePressed(MouseEvent evt) | |
| 109 | { | |
| 110 | 3 | int res = ap.getSeqPanel().findAlignmentColumn(evt); |
| 111 | ||
| 112 | 3 | min = res; |
| 113 | 3 | max = res; |
| 114 | ||
| 115 | 3 | if (evt.isPopupTrigger()) // Mac: mousePressed |
| 116 | { | |
| 117 | 0 | rightMouseButtonPressed(evt, res); |
| 118 | 0 | return; |
| 119 | } | |
| 120 | 3 | if (Platform.isWinRightButton(evt)) |
| 121 | { | |
| 122 | /* | |
| 123 | * defer right-mouse click handling to mouse up on Windows | |
| 124 | * (where isPopupTrigger() will answer true) | |
| 125 | * but accept Cmd-click on Mac which passes isRightMouseButton | |
| 126 | */ | |
| 127 | 0 | return; |
| 128 | } | |
| 129 | 3 | leftMouseButtonPressed(evt, res); |
| 130 | } | |
| 131 | ||
| 132 | /** | |
| 133 | * Handles right mouse button press. If pressed in a selected column, opens | |
| 134 | * context menu for 'Hide Columns'. If pressed on a hidden columns marker, | |
| 135 | * opens context menu for 'Reveal / Reveal All'. Else does nothing. | |
| 136 | * | |
| 137 | * @param evt | |
| 138 | * @param res | |
| 139 | */ | |
| 140 | 0 | protected void rightMouseButtonPressed(MouseEvent evt, final int res) |
| 141 | { | |
| 142 | 0 | JPopupMenu pop = buildPopupMenu(res); |
| 143 | 0 | if (pop.getSubElements().length > 0) |
| 144 | { | |
| 145 | 0 | pop.show(this, evt.getX(), evt.getY()); |
| 146 | } | |
| 147 | } | |
| 148 | ||
| 149 | /** | |
| 150 | * Builds a popup menu with 'Hide' or 'Reveal' options, or both, or neither | |
| 151 | * | |
| 152 | * @param res | |
| 153 | * column number (0..) | |
| 154 | * @return | |
| 155 | */ | |
| 156 | 9 | protected JPopupMenu buildPopupMenu(final int res) |
| 157 | { | |
| 158 | 9 | JPopupMenu pop = new JPopupMenu(); |
| 159 | ||
| 160 | /* | |
| 161 | * logic here depends on 'reveal', set in mouseMoved; | |
| 162 | * grab the hidden range in case mouseMoved nulls it later | |
| 163 | */ | |
| 164 | 9 | final int[] hiddenRange = reveal; |
| 165 | 9 | if (hiddenRange != null) |
| 166 | { | |
| 167 | 6 | JMenuItem item = new JMenuItem( |
| 168 | MessageManager.getString("label.reveal")); | |
| 169 | 6 | item.addActionListener(new ActionListener() |
| 170 | { | |
| 171 | 0 | @Override |
| 172 | public void actionPerformed(ActionEvent e) | |
| 173 | { | |
| 174 | 0 | av.showColumn(hiddenRange[0]); |
| 175 | 0 | reveal = null; |
| 176 | 0 | ap.updateLayout(); |
| 177 | 0 | ap.paintAlignment(true, true); |
| 178 | 0 | av.sendSelection(); |
| 179 | } | |
| 180 | }); | |
| 181 | 6 | pop.add(item); |
| 182 | ||
| 183 | 6 | if (av.getAlignment().getHiddenColumns() |
| 184 | .hasMultiHiddenColumnRegions()) | |
| 185 | { | |
| 186 | 2 | item = new JMenuItem(MessageManager.getString("action.reveal_all")); |
| 187 | 2 | item.addActionListener(new ActionListener() |
| 188 | { | |
| 189 | 0 | @Override |
| 190 | public void actionPerformed(ActionEvent e) | |
| 191 | { | |
| 192 | 0 | av.showAllHiddenColumns(); |
| 193 | 0 | reveal = null; |
| 194 | 0 | ap.updateLayout(); |
| 195 | 0 | ap.paintAlignment(true, true); |
| 196 | 0 | av.sendSelection(); |
| 197 | } | |
| 198 | }); | |
| 199 | 2 | pop.add(item); |
| 200 | } | |
| 201 | } | |
| 202 | ||
| 203 | 9 | if (av.getColumnSelection().contains(res)) |
| 204 | { | |
| 205 | 4 | JMenuItem item = new JMenuItem( |
| 206 | MessageManager.getString("label.hide_columns")); | |
| 207 | 4 | item.addActionListener(new ActionListener() |
| 208 | { | |
| 209 | 0 | @Override |
| 210 | public void actionPerformed(ActionEvent e) | |
| 211 | { | |
| 212 | 0 | av.hideColumns(res, res); |
| 213 | 0 | if (av.getSelectionGroup() != null && av.getSelectionGroup() |
| 214 | .getSize() == av.getAlignment().getHeight()) | |
| 215 | { | |
| 216 | 0 | av.setSelectionGroup(null); |
| 217 | } | |
| 218 | ||
| 219 | 0 | ap.updateLayout(); |
| 220 | 0 | ap.paintAlignment(true, true); |
| 221 | 0 | av.sendSelection(); |
| 222 | } | |
| 223 | }); | |
| 224 | 4 | pop.add(item); |
| 225 | } | |
| 226 | 9 | return pop; |
| 227 | } | |
| 228 | ||
| 229 | /** | |
| 230 | * Handles left mouse button press | |
| 231 | * | |
| 232 | * @param evt | |
| 233 | * @param res | |
| 234 | */ | |
| 235 | 3 | protected void leftMouseButtonPressed(MouseEvent evt, final int res) |
| 236 | { | |
| 237 | /* | |
| 238 | * Ctrl-click/Cmd-click adds to the selection | |
| 239 | * Shift-click extends the selection | |
| 240 | */ | |
| 241 | // TODO Problem: right-click on Windows not reported until mouseReleased?!? | |
| 242 | 3 | if (!Platform.isControlDown(evt) && !evt.isShiftDown()) |
| 243 | { | |
| 244 | 3 | av.getColumnSelection().clear(); |
| 245 | } | |
| 246 | ||
| 247 | 3 | av.getColumnSelection().addElement(res); |
| 248 | 3 | SequenceGroup sg = new SequenceGroup(av.getAlignment().getSequences()); |
| 249 | 3 | sg.setStartRes(res); |
| 250 | 3 | sg.setEndRes(res); |
| 251 | ||
| 252 | 3 | if (evt.isShiftDown()) |
| 253 | { | |
| 254 | 0 | int min = Math.min(av.getColumnSelection().getMin(), res); |
| 255 | 0 | int max = Math.max(av.getColumnSelection().getMax(), res); |
| 256 | 0 | for (int i = min; i < max; i++) |
| 257 | { | |
| 258 | 0 | av.getColumnSelection().addElement(i); |
| 259 | } | |
| 260 | 0 | sg.setStartRes(min); |
| 261 | 0 | sg.setEndRes(max); |
| 262 | } | |
| 263 | 3 | av.setSelectionGroup(sg); |
| 264 | 3 | ap.paintAlignment(false, false); |
| 265 | 3 | PaintRefresher.Refresh(this, av.getSequenceSetId()); |
| 266 | 3 | av.sendSelection(); |
| 267 | } | |
| 268 | ||
| 269 | /** | |
| 270 | * Action on mouseUp is to set the limit of the current selection group (if | |
| 271 | * there is one) and broadcast the selection | |
| 272 | * | |
| 273 | * @param evt | |
| 274 | */ | |
| 275 | 3 | @Override |
| 276 | public void mouseReleased(MouseEvent evt) | |
| 277 | { | |
| 278 | 3 | boolean wasDragging = mouseDragging; |
| 279 | 3 | mouseDragging = false; |
| 280 | 3 | ap.getSeqPanel().stopScrolling(); |
| 281 | ||
| 282 | 3 | int res = ap.getSeqPanel().findAlignmentColumn(evt); |
| 283 | ||
| 284 | 3 | if (!stretchingGroup) |
| 285 | { | |
| 286 | 0 | if (evt.isPopupTrigger()) // Windows: mouseReleased |
| 287 | { | |
| 288 | 0 | rightMouseButtonPressed(evt, res); |
| 289 | } | |
| 290 | else | |
| 291 | { | |
| 292 | 0 | ap.paintAlignment(false, false); |
| 293 | } | |
| 294 | 0 | return; |
| 295 | } | |
| 296 | ||
| 297 | 3 | SequenceGroup sg = av.getSelectionGroup(); |
| 298 | ||
| 299 | 3 | if (sg != null) |
| 300 | { | |
| 301 | 3 | if (res > sg.getStartRes()) |
| 302 | { | |
| 303 | 2 | sg.setEndRes(res); |
| 304 | } | |
| 305 | 1 | else if (res < sg.getStartRes()) |
| 306 | { | |
| 307 | 0 | sg.setStartRes(res); |
| 308 | } | |
| 309 | 3 | if (wasDragging) |
| 310 | { | |
| 311 | 3 | min = Math.min(res, min); |
| 312 | 3 | max = Math.max(res, max); |
| 313 | 3 | av.getColumnSelection().stretchGroup(res, sg, min, max); |
| 314 | } | |
| 315 | } | |
| 316 | 3 | stretchingGroup = false; |
| 317 | 3 | ap.paintAlignment(false, false); |
| 318 | 3 | av.isSelectionGroupChanged(true); |
| 319 | 3 | av.isColSelChanged(true); |
| 320 | 3 | PaintRefresher.Refresh(ap, av.getSequenceSetId()); |
| 321 | 3 | av.sendSelection(); |
| 322 | } | |
| 323 | ||
| 324 | /** | |
| 325 | * Action on dragging the mouse in the scale panel is to expand or shrink the | |
| 326 | * selection group range (including any hidden columns that it spans). Note | |
| 327 | * that the selection is only broadcast at the start of the drag (on | |
| 328 | * mousePressed) and at the end (on mouseReleased), to avoid overload | |
| 329 | * redrawing of other views. | |
| 330 | * | |
| 331 | * @param evt | |
| 332 | */ | |
| 333 | 3 | @Override |
| 334 | public void mouseDragged(MouseEvent evt) | |
| 335 | { | |
| 336 | 3 | mouseDragging = true; |
| 337 | 3 | int res = ap.getSeqPanel().findAlignmentColumn(evt); |
| 338 | ||
| 339 | 3 | ColumnSelection cs = av.getColumnSelection(); |
| 340 | ||
| 341 | 3 | min = Math.min(res, min); |
| 342 | 3 | max = Math.max(res, max); |
| 343 | ||
| 344 | 3 | SequenceGroup sg = av.getSelectionGroup(); |
| 345 | 3 | if (sg != null) |
| 346 | { | |
| 347 | 3 | stretchingGroup = true; |
| 348 | 3 | cs.stretchGroup(res, sg, min, max); |
| 349 | 3 | ap.paintAlignment(false, false); |
| 350 | 3 | PaintRefresher.Refresh(ap, av.getSequenceSetId()); |
| 351 | } | |
| 352 | } | |
| 353 | ||
| 354 | 1 | @Override |
| 355 | public void mouseEntered(MouseEvent evt) | |
| 356 | { | |
| 357 | 1 | if (mouseDragging) |
| 358 | { | |
| 359 | 0 | mouseDragging = false; |
| 360 | 0 | ap.getSeqPanel().stopScrolling(); |
| 361 | } | |
| 362 | } | |
| 363 | ||
| 364 | /** | |
| 365 | * Action on leaving the panel bounds with mouse drag in progress is to start | |
| 366 | * scrolling the alignment in the direction of the mouse. To restrict | |
| 367 | * scrolling to left-right (not up-down), the y-value of the mouse position is | |
| 368 | * replaced with zero. | |
| 369 | */ | |
| 370 | 0 | @Override |
| 371 | public void mouseExited(MouseEvent evt) | |
| 372 | { | |
| 373 | 0 | if (mouseDragging) |
| 374 | { | |
| 375 | 0 | ap.getSeqPanel().startScrolling(new Point(evt.getX(), 0)); |
| 376 | } | |
| 377 | } | |
| 378 | ||
| 379 | 0 | @Override |
| 380 | public void mouseClicked(MouseEvent evt) | |
| 381 | { | |
| 382 | } | |
| 383 | ||
| 384 | /** | |
| 385 | * Creates a tooltip when the mouse is over a hidden columns marker | |
| 386 | */ | |
| 387 | 8 | @Override |
| 388 | public void mouseMoved(MouseEvent evt) | |
| 389 | { | |
| 390 | 8 | this.setToolTipText(null); |
| 391 | 8 | reveal = null; |
| 392 | 8 | final int res = ap.getSeqPanel().findAlignmentColumn(evt); |
| 393 | ||
| 394 | 8 | highlightAllStructPos(res); |
| 395 | 8 | if (!av.hasHiddenColumns()) |
| 396 | { | |
| 397 | 0 | return; |
| 398 | } | |
| 399 | 8 | reveal = av.getAlignment().getHiddenColumns() |
| 400 | .getRegionWithEdgeAtRes(av.getAlignment().getHiddenColumns() | |
| 401 | .absoluteToVisibleColumn(res)); | |
| 402 | 8 | if (reveal == null) |
| 403 | { | |
| 404 | 3 | return; |
| 405 | } | |
| 406 | 5 | ToolTipManager.sharedInstance().registerComponent(this); |
| 407 | 5 | this.setToolTipText( |
| 408 | MessageManager.getString("label.reveal_hidden_columns")); | |
| 409 | 5 | repaint(); |
| 410 | } | |
| 411 | ||
| 412 | 8 | public void highlightAllStructPos(int col) |
| 413 | { | |
| 414 | 8 | ap.getStructureSelectionManager().highlightPositionsOnMany( |
| 415 | ap.av.getAlignment().getSequencesArray(), new int[] | |
| 416 | { col, col }, ap); | |
| 417 | ||
| 418 | } | |
| 419 | ||
| 420 | /** | |
| 421 | * DOCUMENT ME! | |
| 422 | * | |
| 423 | * @param g | |
| 424 | * DOCUMENT ME! | |
| 425 | */ | |
| 426 | 2171 | @Override |
| 427 | public void paintComponent(Graphics g) | |
| 428 | { | |
| 429 | // super.paintComponent(g); // BH 2019 | |
| 430 | ||
| 431 | /* | |
| 432 | * shouldn't get called in wrapped mode as the scale above is | |
| 433 | * drawn instead by SeqCanvas.drawNorthScale | |
| 434 | */ | |
| 435 | 2171 | if (!av.getWrapAlignment()) |
| 436 | { | |
| 437 | 1974 | drawScale(g, av.getRanges().getStartRes(), av.getRanges().getEndRes(), |
| 438 | getWidth(), getHeight()); | |
| 439 | } | |
| 440 | } | |
| 441 | ||
| 442 | // scalewidth will normally be screenwidth, | |
| 443 | 2012 | public void drawScale(Graphics g, int startx, int endx, int width, |
| 444 | int height) | |
| 445 | { | |
| 446 | 2012 | Graphics2D gg = (Graphics2D) g; |
| 447 | 2012 | gg.setFont(av.getFont()); |
| 448 | ||
| 449 | 2012 | if (av.antiAlias) |
| 450 | { | |
| 451 | 798 | gg.setRenderingHint(RenderingHints.KEY_ANTIALIASING, |
| 452 | RenderingHints.VALUE_ANTIALIAS_ON); | |
| 453 | } | |
| 454 | ||
| 455 | // Fill in the background | |
| 456 | 2012 | gg.setColor(Color.white); |
| 457 | 2012 | gg.fillRect(0, 0, width, height); |
| 458 | 2012 | gg.setColor(Color.black); |
| 459 | ||
| 460 | // Fill the selected columns | |
| 461 | 2012 | ColumnSelection cs = av.getColumnSelection(); |
| 462 | 2012 | HiddenColumns hidden = av.getAlignment().getHiddenColumns(); |
| 463 | 2012 | int avCharWidth = av.getCharWidth(); |
| 464 | 2012 | int avCharHeight = av.getCharHeight(); |
| 465 | ||
| 466 | 2012 | if (cs != null) |
| 467 | { | |
| 468 | 2012 | gg.setColor(new Color(220, 0, 0)); |
| 469 | ||
| 470 | 2012 | for (int sel : cs.getSelected()) |
| 471 | { | |
| 472 | // TODO: JAL-2001 - provide a fast method to list visible selected in a | |
| 473 | // given range | |
| 474 | ||
| 475 | 28 | if (av.hasHiddenColumns()) |
| 476 | { | |
| 477 | 0 | if (hidden.isVisible(sel)) |
| 478 | { | |
| 479 | 0 | sel = hidden.absoluteToVisibleColumn(sel); |
| 480 | } | |
| 481 | else | |
| 482 | { | |
| 483 | 0 | continue; |
| 484 | } | |
| 485 | } | |
| 486 | ||
| 487 | 28 | if ((sel >= startx) && (sel <= endx)) |
| 488 | { | |
| 489 | 28 | gg.fillRect((sel - startx) * avCharWidth, 0, avCharWidth, |
| 490 | getHeight()); | |
| 491 | } | |
| 492 | } | |
| 493 | } | |
| 494 | ||
| 495 | 2012 | int widthx = 1 + endx - startx; |
| 496 | ||
| 497 | 2012 | FontMetrics fm = gg.getFontMetrics(av.getFont()); |
| 498 | 2012 | int y = avCharHeight; |
| 499 | 2012 | int yOf = fm.getDescent(); |
| 500 | 2012 | y -= yOf; |
| 501 | 2012 | if (av.hasHiddenColumns()) |
| 502 | { | |
| 503 | // draw any hidden column markers | |
| 504 | 210 | gg.setColor(Color.blue); |
| 505 | 210 | int res; |
| 506 | ||
| 507 | 210 | if (av.getShowHiddenMarkers()) |
| 508 | { | |
| 509 | 210 | Iterator<Integer> it = hidden.getStartRegionIterator(startx, |
| 510 | startx + widthx + 1); | |
| 511 | 413 | while (it.hasNext()) |
| 512 | { | |
| 513 | 203 | res = it.next() - startx; |
| 514 | ||
| 515 | 203 | gg.fillPolygon( |
| 516 | new int[] | |
| 517 | { -1 + res * avCharWidth - avCharHeight / 4, | |
| 518 | -1 + res * avCharWidth + avCharHeight / 4, | |
| 519 | -1 + res * avCharWidth }, | |
| 520 | new int[] | |
| 521 | { y, y, y + 2 * yOf }, 3); | |
| 522 | } | |
| 523 | } | |
| 524 | } | |
| 525 | // Draw the scale numbers | |
| 526 | 2012 | gg.setColor(Color.black); |
| 527 | ||
| 528 | 2012 | int maxX = 0; |
| 529 | 2012 | List<ScaleMark> marks = new ScaleRenderer().calculateMarks(av, startx, |
| 530 | endx); | |
| 531 | ||
| 532 | 2012 | for (ScaleMark mark : marks) |
| 533 | { | |
| 534 | 17444 | boolean major = mark.major; |
| 535 | 17444 | int mpos = mark.column; // (i - startx - 1) |
| 536 | 17444 | String mstring = mark.text; |
| 537 | 17444 | if (mstring != null) |
| 538 | { | |
| 539 | 8348 | if (mpos * avCharWidth > maxX) |
| 540 | { | |
| 541 | 8191 | gg.drawString(mstring, mpos * avCharWidth, y); |
| 542 | 8191 | maxX = (mpos + 2) * avCharWidth + fm.stringWidth(mstring); |
| 543 | } | |
| 544 | } | |
| 545 | 17444 | if (major) |
| 546 | { | |
| 547 | 8348 | gg.drawLine((mpos * avCharWidth) + (avCharWidth / 2), y + 2, |
| 548 | (mpos * avCharWidth) + (avCharWidth / 2), y + (yOf * 2)); | |
| 549 | } | |
| 550 | else | |
| 551 | { | |
| 552 | 9096 | gg.drawLine((mpos * avCharWidth) + (avCharWidth / 2), y + yOf, |
| 553 | (mpos * avCharWidth) + (avCharWidth / 2), y + (yOf * 2)); | |
| 554 | } | |
| 555 | } | |
| 556 | } | |
| 557 | ||
| 558 | 615 | @Override |
| 559 | public void propertyChange(PropertyChangeEvent evt) | |
| 560 | { | |
| 561 | // Respond to viewport change events (e.g. alignment panel was scrolled) | |
| 562 | // Both scrolling and resizing change viewport ranges: scrolling changes | |
| 563 | // both start and end points, but resize only changes end values. | |
| 564 | // Here we only want to fastpaint on a scroll, with resize using a normal | |
| 565 | // paint, so scroll events are identified as changes to the horizontal or | |
| 566 | // vertical start value. | |
| 567 | 615 | if (evt.getPropertyName().equals(ViewportRanges.STARTRES) |
| 568 | || evt.getPropertyName().equals(ViewportRanges.STARTRESANDSEQ) | |
| 569 | || evt.getPropertyName().equals(ViewportRanges.MOVE_VIEWPORT)) | |
| 570 | { | |
| 571 | // scroll event, repaint panel | |
| 572 | ||
| 573 | // Call repaint on alignment panel so that repaints from other alignment | |
| 574 | // panel components can be aggregated. Otherwise performance of the | |
| 575 | // overview | |
| 576 | // window and others may be adversely affected. | |
| 577 | 36 | av.getAlignPanel().repaint(); |
| 578 | } | |
| 579 | } | |
| 580 | ||
| 581 | } |