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.
21 package jalview.appletgui;
23 import jalview.datamodel.ColumnSelection;
24 import jalview.datamodel.SequenceGroup;
25 import jalview.renderer.ScaleRenderer;
26 import jalview.renderer.ScaleRenderer.ScaleMark;
27 import jalview.util.MessageManager;
28 import jalview.viewmodel.ViewportListenerI;
30 import java.awt.Color;
31 import java.awt.FontMetrics;
32 import java.awt.Graphics;
33 import java.awt.MenuItem;
34 import java.awt.Panel;
35 import java.awt.PopupMenu;
36 import java.awt.event.ActionEvent;
37 import java.awt.event.ActionListener;
38 import java.awt.event.InputEvent;
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 public class ScalePanel extends Panel implements MouseMotionListener,
46 MouseListener, ViewportListenerI
49 protected int offy = 4;
53 protected AlignViewport av;
57 boolean stretchingGroup = false;
59 int min; // used by mouseDragged to see if user
61 int max; // used by mouseDragged to see if user
63 boolean mouseDragging = false;
67 public ScalePanel(AlignViewport av, AlignmentPanel ap)
73 addMouseListener(this);
74 addMouseMotionListener(this);
76 av.getRanges().addPropertyChangeListener(this);
80 public void mousePressed(MouseEvent evt)
82 int x = (evt.getX() / av.getCharWidth()) + av.getRanges().getStartRes();
85 if (av.hasHiddenColumns())
87 res = av.getColumnSelection().adjustForHiddenColumns(x);
96 if ((evt.getModifiers() & InputEvent.BUTTON3_MASK) == InputEvent.BUTTON3_MASK)
98 rightMouseButtonPressed(evt, res);
102 leftMouseButtonPressed(evt, res);
107 * Handles left mouse button pressed (selection / clear selections)
112 protected void leftMouseButtonPressed(MouseEvent evt, final int res)
114 if (!evt.isControlDown() && !evt.isShiftDown())
116 av.getColumnSelection().clear();
119 av.getColumnSelection().addElement(res);
120 SequenceGroup sg = new SequenceGroup();
121 for (int i = 0; i < av.getAlignment().getSequences().size(); i++)
123 sg.addSequence(av.getAlignment().getSequenceAt(i), false);
128 av.setSelectionGroup(sg);
130 if (evt.isShiftDown())
132 int min = Math.min(av.getColumnSelection().getMin(), res);
133 int max = Math.max(av.getColumnSelection().getMax(), res);
134 for (int i = min; i < max; i++)
136 av.getColumnSelection().addElement(i);
141 ap.paintAlignment(true);
146 * Handles right mouse button press. If pressed in a selected column, opens
147 * context menu for 'Hide Columns'. If pressed on a hidden columns marker,
148 * opens context menu for 'Reveal / Reveal All'. Else does nothing.
153 protected void rightMouseButtonPressed(MouseEvent evt, final int res)
155 PopupMenu pop = new PopupMenu();
158 MenuItem item = new MenuItem(MessageManager.getString("label.reveal"));
159 item.addActionListener(new ActionListener()
162 public void actionPerformed(ActionEvent e)
164 av.showColumn(reveal[0]);
166 ap.paintAlignment(true);
167 if (ap.overviewPanel != null)
169 ap.overviewPanel.updateOverviewImage();
176 if (av.getColumnSelection().hasManyHiddenColumns())
178 item = new MenuItem(MessageManager.getString("action.reveal_all"));
179 item.addActionListener(new ActionListener()
182 public void actionPerformed(ActionEvent e)
184 av.showAllHiddenColumns();
186 ap.paintAlignment(true);
187 if (ap.overviewPanel != null)
189 ap.overviewPanel.updateOverviewImage();
197 pop.show(this, evt.getX(), evt.getY());
199 else if (av.getColumnSelection().contains(res))
201 MenuItem item = new MenuItem(
202 MessageManager.getString("label.hide_columns"));
203 item.addActionListener(new ActionListener()
206 public void actionPerformed(ActionEvent e)
208 av.hideColumns(res, res);
209 if (av.getSelectionGroup() != null
210 && av.getSelectionGroup().getSize() == av.getAlignment()
213 av.setSelectionGroup(null);
216 ap.paintAlignment(true);
217 if (ap.overviewPanel != null)
219 ap.overviewPanel.updateOverviewImage();
226 pop.show(this, evt.getX(), evt.getY());
231 public void mouseReleased(MouseEvent evt)
233 mouseDragging = false;
235 int res = (evt.getX() / av.getCharWidth())
236 + av.getRanges().getStartRes();
238 if (res > av.getAlignment().getWidth())
240 res = av.getAlignment().getWidth() - 1;
243 if (av.hasHiddenColumns())
245 res = av.getColumnSelection().adjustForHiddenColumns(res);
248 if (!stretchingGroup)
250 ap.paintAlignment(false);
255 SequenceGroup sg = av.getSelectionGroup();
257 if (res > sg.getStartRes())
261 else if (res < sg.getStartRes())
266 stretchingGroup = false;
267 ap.paintAlignment(false);
272 * Action on dragging the mouse in the scale panel is to expand or shrink the
273 * selection group range (including any hidden columns that it spans)
278 public void mouseDragged(MouseEvent evt)
280 mouseDragging = true;
281 ColumnSelection cs = av.getColumnSelection();
283 int res = (evt.getX() / av.getCharWidth())
284 + av.getRanges().getStartRes();
285 res = Math.max(0, res);
286 res = cs.adjustForHiddenColumns(res);
287 res = Math.min(res, av.getAlignment().getWidth() - 1);
288 min = Math.min(res, min);
289 max = Math.max(res, max);
291 SequenceGroup sg = av.getSelectionGroup();
294 stretchingGroup = true;
295 cs.stretchGroup(res, sg, min, max);
296 ap.paintAlignment(false);
301 public void mouseEntered(MouseEvent evt)
305 ap.seqPanel.scrollCanvas(null);
310 public void mouseExited(MouseEvent evt)
314 ap.seqPanel.scrollCanvas(evt);
319 public void mouseClicked(MouseEvent evt)
325 public void mouseMoved(MouseEvent evt)
327 if (!av.hasHiddenColumns())
332 int res = (evt.getX() / av.getCharWidth())
333 + av.getRanges().getStartRes();
335 res = av.getColumnSelection().adjustForHiddenColumns(res);
338 for (int[] region : av.getColumnSelection().getHiddenColumns())
340 if (res + 1 == region[0] || res - 1 == region[1])
351 public void update(Graphics g)
357 public void paint(Graphics g)
359 drawScale(g, av.getRanges().getStartRes(), av.getRanges().getEndRes(),
364 // scalewidth will normally be screenwidth,
365 public void drawScale(Graphics gg, int startx, int endx, int width,
368 gg.setFont(av.getFont());
369 // Fill in the background
370 gg.setColor(Color.white);
371 gg.fillRect(0, 0, width, height);
372 gg.setColor(Color.black);
374 // Fill the selected columns
375 ColumnSelection cs = av.getColumnSelection();
376 int avCharWidth = av.getCharWidth();
377 int avcharHeight = av.getCharHeight();
380 gg.setColor(new Color(220, 0, 0));
381 boolean hasHiddenColumns = cs.hasHiddenColumns();
382 for (int sel : cs.getSelected())
384 // TODO: JAL-2001 - provide a fast method to list visible selected in a
386 if (hasHiddenColumns)
388 if (cs.isVisible(sel))
390 sel = cs.findColumnPosition(sel);
398 if ((sel >= startx) && (sel <= endx))
400 gg.fillRect((sel - startx) * avCharWidth, 0, avCharWidth,
406 // Draw the scale numbers
407 gg.setColor(Color.black);
410 List<ScaleMark> marks = new ScaleRenderer().calculateMarks(av, startx,
413 FontMetrics fm = gg.getFontMetrics(av.getFont());
414 int y = avcharHeight;
415 int yOf = fm.getDescent();
417 for (ScaleMark mark : marks)
419 boolean major = mark.major;
420 int mpos = mark.column; // (i - startx - 1)
421 String mstring = mark.text;
424 if (mpos * avCharWidth > maxX)
426 gg.drawString(mstring, mpos * avCharWidth, y);
427 maxX = (mpos + 2) * avCharWidth + fm.stringWidth(mstring);
432 gg.drawLine((mpos * avCharWidth) + (avCharWidth / 2), y + 2,
433 (mpos * avCharWidth) + (avCharWidth / 2), y + (yOf * 2));
437 gg.drawLine((mpos * avCharWidth) + (avCharWidth / 2), y + yOf,
438 (mpos * avCharWidth) + (avCharWidth / 2), y + (yOf * 2));
442 if (av.hasHiddenColumns())
444 gg.setColor(Color.blue);
446 if (av.getShowHiddenMarkers())
448 int widthx = 1 + endx - startx;
449 for (int i = 0; i < cs.getHiddenColumns().size(); i++)
452 res = cs.findHiddenRegionPosition(i) - startx;
454 if (res < 0 || res > widthx)
459 gg.fillPolygon(new int[] {
460 -1 + res * avCharWidth - avcharHeight / 4,
461 -1 + res * avCharWidth + avcharHeight / 4,
462 -1 + res * avCharWidth }, new int[] { y, y, y + 2 * yOf }, 3);
469 public void propertyChange(PropertyChangeEvent evt)
471 // Respond to viewport change events (e.g. alignment panel was scrolled)