2 * Jalview - A Sequence Alignment Editor and Viewer ($$Version-Rel$$)
3 * Copyright (C) $$Year-Rel$$ The Jalview Authors
5 * This file is part of Jalview.
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.
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.
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.
23 import jalview.datamodel.ColumnSelection;
24 import jalview.datamodel.SequenceGroup;
25 import jalview.datamodel.SequenceI;
26 import jalview.renderer.ScaleRenderer;
27 import jalview.renderer.ScaleRenderer.ScaleMark;
28 import jalview.util.MessageManager;
29 import jalview.util.Platform;
30 import jalview.viewmodel.ViewportListenerI;
32 import java.awt.Color;
33 import java.awt.FontMetrics;
34 import java.awt.Graphics;
35 import java.awt.Graphics2D;
36 import java.awt.RenderingHints;
37 import java.awt.event.ActionEvent;
38 import java.awt.event.ActionListener;
39 import java.awt.event.MouseEvent;
40 import java.awt.event.MouseListener;
41 import java.awt.event.MouseMotionListener;
42 import java.beans.PropertyChangeEvent;
43 import java.util.List;
45 import javax.swing.JMenuItem;
46 import javax.swing.JPanel;
47 import javax.swing.JPopupMenu;
48 import javax.swing.SwingUtilities;
49 import javax.swing.ToolTipManager;
52 * The panel containing the sequence ruler (when not in wrapped mode), and
53 * supports a range of mouse operations to select, hide or reveal columns.
55 public class ScalePanel extends JPanel implements MouseMotionListener,
56 MouseListener, ViewportListenerI
58 protected int offy = 4;
62 protected AlignViewport av;
66 boolean stretchingGroup = false;
69 * min, max hold the extent of a mouse drag action
75 boolean mouseDragging = false;
78 * holds a hidden column range when the mouse is over an adjacent column
88 public ScalePanel(AlignViewport av, AlignmentPanel ap)
93 addMouseListener(this);
94 addMouseMotionListener(this);
96 av.getRanges().addPropertyChangeListener(this);
106 public void mousePressed(MouseEvent evt)
108 int x = (evt.getX() / av.getCharWidth()) + av.getRanges().getStartRes();
111 if (av.hasHiddenColumns())
113 x = av.getColumnSelection().adjustForHiddenColumns(x);
116 if (x >= av.getAlignment().getWidth())
118 res = av.getAlignment().getWidth() - 1;
128 if (evt.isPopupTrigger()) // Mac: mousePressed
130 rightMouseButtonPressed(evt, res);
132 else if (SwingUtilities.isRightMouseButton(evt) && !Platform.isAMac())
135 * defer right-mouse click handling to mouse up on Windows
136 * (where isPopupTrigger() will answer true)
137 * but accept Cmd-click on Mac which passes isRightMouseButton
143 leftMouseButtonPressed(evt, res);
148 * Handles right mouse button press. If pressed in a selected column, opens
149 * context menu for 'Hide Columns'. If pressed on a hidden columns marker,
150 * opens context menu for 'Reveal / Reveal All'. Else does nothing.
155 protected void rightMouseButtonPressed(MouseEvent evt, final int res)
157 JPopupMenu pop = new JPopupMenu();
160 JMenuItem item = new JMenuItem(
161 MessageManager.getString("label.reveal"));
162 item.addActionListener(new ActionListener()
165 public void actionPerformed(ActionEvent e)
167 av.showColumn(reveal[0]);
169 ap.paintAlignment(true);
170 if (ap.overviewPanel != null)
172 ap.overviewPanel.updateOverviewImage();
179 if (av.getColumnSelection().hasHiddenColumns())
181 item = new JMenuItem(MessageManager.getString("action.reveal_all"));
182 item.addActionListener(new ActionListener()
185 public void actionPerformed(ActionEvent e)
187 av.showAllHiddenColumns();
189 ap.paintAlignment(true);
190 if (ap.overviewPanel != null)
192 ap.overviewPanel.updateOverviewImage();
199 pop.show(this, evt.getX(), evt.getY());
201 else if (av.getColumnSelection().contains(res))
203 JMenuItem item = new JMenuItem(
204 MessageManager.getString("label.hide_columns"));
205 item.addActionListener(new ActionListener()
208 public void actionPerformed(ActionEvent e)
210 av.hideColumns(res, res);
211 if (av.getSelectionGroup() != null
212 && av.getSelectionGroup().getSize() == av.getAlignment()
215 av.setSelectionGroup(null);
218 ap.paintAlignment(true);
219 if (ap.overviewPanel != null)
221 ap.overviewPanel.updateOverviewImage();
227 pop.show(this, evt.getX(), evt.getY());
232 * Handles left mouse button press
237 protected void leftMouseButtonPressed(MouseEvent evt, final int res)
240 * Ctrl-click/Cmd-click adds to the selection
241 * Shift-click extends the selection
243 // TODO Problem: right-click on Windows not reported until mouseReleased?!?
244 if (!Platform.isControlDown(evt) && !evt.isShiftDown())
246 av.getColumnSelection().clear();
249 av.getColumnSelection().addElement(res);
250 SequenceGroup sg = new SequenceGroup();
251 // try to be as quick as possible
252 SequenceI[] iVec = av.getAlignment().getSequencesArray();
253 for (int i = 0; i < iVec.length; i++)
255 sg.addSequence(iVec[i], false);
262 if (evt.isShiftDown())
264 int min = Math.min(av.getColumnSelection().getMin(), res);
265 int max = Math.max(av.getColumnSelection().getMax(), res);
266 for (int i = min; i < max; i++)
268 av.getColumnSelection().addElement(i);
273 av.setSelectionGroup(sg);
274 ap.paintAlignment(false);
285 public void mouseReleased(MouseEvent evt)
287 mouseDragging = false;
289 int res = (evt.getX() / av.getCharWidth())
290 + av.getRanges().getStartRes();
292 if (av.hasHiddenColumns())
294 res = av.getColumnSelection().adjustForHiddenColumns(res);
297 if (res >= av.getAlignment().getWidth())
299 res = av.getAlignment().getWidth() - 1;
302 if (!stretchingGroup)
304 if (evt.isPopupTrigger()) // Windows: mouseReleased
306 rightMouseButtonPressed(evt, res);
310 ap.paintAlignment(false);
315 SequenceGroup sg = av.getSelectionGroup();
319 if (res > sg.getStartRes())
323 else if (res < sg.getStartRes())
328 stretchingGroup = false;
329 ap.paintAlignment(false);
334 * Action on dragging the mouse in the scale panel is to expand or shrink the
335 * selection group range (including any hidden columns that it spans)
340 public void mouseDragged(MouseEvent evt)
342 mouseDragging = true;
343 ColumnSelection cs = av.getColumnSelection();
345 int res = (evt.getX() / av.getCharWidth())
346 + av.getRanges().getStartRes();
347 res = Math.max(0, res);
348 res = cs.adjustForHiddenColumns(res);
349 res = Math.min(res, av.getAlignment().getWidth() - 1);
350 min = Math.min(res, min);
351 max = Math.max(res, max);
353 SequenceGroup sg = av.getSelectionGroup();
356 stretchingGroup = true;
357 cs.stretchGroup(res, sg, min, max);
358 ap.paintAlignment(false);
363 public void mouseEntered(MouseEvent evt)
367 ap.getSeqPanel().scrollCanvas(null);
372 public void mouseExited(MouseEvent evt)
376 ap.getSeqPanel().scrollCanvas(evt);
381 public void mouseClicked(MouseEvent evt)
386 * Creates a tooltip when the mouse is over a hidden columns marker
389 public void mouseMoved(MouseEvent evt)
391 this.setToolTipText(null);
393 if (!av.hasHiddenColumns())
398 int res = (evt.getX() / av.getCharWidth())
399 + av.getRanges().getStartRes();
401 res = av.getColumnSelection().adjustForHiddenColumns(res);
403 if (av.getColumnSelection().getHiddenColumns() != null)
405 for (int[] region : av.getColumnSelection().getHiddenColumns())
407 if (res + 1 == region[0] || res - 1 == region[1])
410 ToolTipManager.sharedInstance().registerComponent(this);
411 this.setToolTipText(MessageManager
412 .getString("label.reveal_hidden_columns"));
427 public void paintComponent(Graphics g)
429 drawScale(g, av.getRanges().getStartRes(), av.getRanges().getEndRes(),
430 getWidth(), getHeight());
433 // scalewidth will normally be screenwidth,
434 public void drawScale(Graphics g, int startx, int endx, int width,
437 Graphics2D gg = (Graphics2D) g;
438 gg.setFont(av.getFont());
442 gg.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
443 RenderingHints.VALUE_ANTIALIAS_ON);
446 // Fill in the background
447 gg.setColor(Color.white);
448 gg.fillRect(0, 0, width, height);
449 gg.setColor(Color.black);
451 // Fill the selected columns
452 ColumnSelection cs = av.getColumnSelection();
453 int avCharWidth = av.getCharWidth(), avCharHeight = av.getCharHeight();
457 gg.setColor(new Color(220, 0, 0));
459 for (int sel : cs.getSelected())
461 // TODO: JAL-2001 - provide a fast method to list visible selected in a
464 if (av.hasHiddenColumns())
466 if (cs.isVisible(sel))
468 sel = cs.findColumnPosition(sel);
476 if ((sel >= startx) && (sel <= endx))
478 gg.fillRect((sel - startx) * avCharWidth, 0, avCharWidth,
484 int widthx = 1 + endx - startx;
486 FontMetrics fm = gg.getFontMetrics(av.getFont());
487 int y = avCharHeight;
488 int yOf = fm.getDescent();
490 if (av.hasHiddenColumns())
492 // draw any hidden column markers
493 gg.setColor(Color.blue);
495 if (av.getShowHiddenMarkers()
496 && av.getColumnSelection().getHiddenColumns() != null)
498 for (int i = 0; i < av.getColumnSelection().getHiddenColumns()
501 res = av.getColumnSelection().findHiddenRegionPosition(i)
504 if (res < 0 || res > widthx)
509 gg.fillPolygon(new int[] {
510 -1 + res * avCharWidth - avCharHeight / 4,
511 -1 + res * avCharWidth + avCharHeight / 4,
512 -1 + res * avCharWidth }, new int[] { y, y, y + 2 * yOf }, 3);
516 // Draw the scale numbers
517 gg.setColor(Color.black);
520 List<ScaleMark> marks = new ScaleRenderer().calculateMarks(av, startx,
523 for (ScaleMark mark : marks)
525 boolean major = mark.major;
526 int mpos = mark.column; // (i - startx - 1)
527 String mstring = mark.text;
530 if (mpos * avCharWidth > maxX)
532 gg.drawString(mstring, mpos * avCharWidth, y);
533 maxX = (mpos + 2) * avCharWidth + fm.stringWidth(mstring);
538 gg.drawLine((mpos * avCharWidth) + (avCharWidth / 2), y + 2,
539 (mpos * avCharWidth) + (avCharWidth / 2), y + (yOf * 2));
543 gg.drawLine((mpos * avCharWidth) + (avCharWidth / 2), y + yOf,
544 (mpos * avCharWidth) + (avCharWidth / 2), y + (yOf * 2));
550 public void propertyChange(PropertyChangeEvent evt)
552 // Respond to viewport change events (e.g. alignment panel was scrolled)