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.util.MessageManager;
27 import java.awt.Color;
28 import java.awt.FontMetrics;
29 import java.awt.Graphics;
30 import java.awt.MenuItem;
31 import java.awt.Panel;
32 import java.awt.PopupMenu;
33 import java.awt.event.ActionEvent;
34 import java.awt.event.ActionListener;
35 import java.awt.event.InputEvent;
36 import java.awt.event.MouseEvent;
37 import java.awt.event.MouseListener;
38 import java.awt.event.MouseMotionListener;
40 public class ScalePanel extends Panel implements MouseMotionListener,
44 protected int offy = 4;
48 protected AlignViewport av;
52 boolean stretchingGroup = false;
54 int min; // used by mouseDragged to see if user
56 int max; // used by mouseDragged to see if user
58 boolean mouseDragging = false;
62 public ScalePanel(AlignViewport av, AlignmentPanel ap)
68 addMouseListener(this);
69 addMouseMotionListener(this);
74 public void mousePressed(MouseEvent evt)
76 int x = (evt.getX() / av.getCharWidth()) + av.getStartRes();
79 if (av.hasHiddenColumns())
81 res = av.getColumnSelection().adjustForHiddenColumns(x);
90 if ((evt.getModifiers() & InputEvent.BUTTON3_MASK) == InputEvent.BUTTON3_MASK)
92 PopupMenu pop = new PopupMenu();
95 MenuItem item = new MenuItem(
96 MessageManager.getString("label.reveal"));
97 item.addActionListener(new ActionListener()
100 public void actionPerformed(ActionEvent e)
102 av.showColumn(reveal[0]);
104 ap.paintAlignment(true);
105 if (ap.overviewPanel != null)
107 ap.overviewPanel.updateOverviewImage();
113 if (av.getColumnSelection().hasManyHiddenColumns())
115 item = new MenuItem(MessageManager.getString("action.reveal_all"));
116 item.addActionListener(new ActionListener()
119 public void actionPerformed(ActionEvent e)
121 av.showAllHiddenColumns();
123 ap.paintAlignment(true);
124 if (ap.overviewPanel != null)
126 ap.overviewPanel.updateOverviewImage();
133 pop.show(this, evt.getX(), evt.getY());
135 else if (av.getColumnSelection().contains(res))
137 MenuItem item = new MenuItem(
138 MessageManager.getString("label.hide_columns"));
139 item.addActionListener(new ActionListener()
142 public void actionPerformed(ActionEvent e)
144 av.hideColumns(res, res);
145 if (av.getSelectionGroup() != null
146 && av.getSelectionGroup().getSize() == av
147 .getAlignment().getHeight())
149 av.setSelectionGroup(null);
152 ap.paintAlignment(true);
153 if (ap.overviewPanel != null)
155 ap.overviewPanel.updateOverviewImage();
161 pop.show(this, evt.getX(), evt.getY());
165 // LEFT MOUSE TO SELECT
167 if (!evt.isControlDown() && !evt.isShiftDown())
169 av.getColumnSelection().clear();
172 av.getColumnSelection().addElement(res);
173 SequenceGroup sg = new SequenceGroup();
174 for (int i = 0; i < av.getAlignment().getSequences().size(); i++)
176 sg.addSequence(av.getAlignment().getSequenceAt(i), false);
181 av.setSelectionGroup(sg);
183 if (evt.isShiftDown())
185 int min = Math.min(av.getColumnSelection().getMin(), res);
186 int max = Math.max(av.getColumnSelection().getMax(), res);
187 for (int i = min; i < max; i++)
189 av.getColumnSelection().addElement(i);
196 ap.paintAlignment(true);
201 public void mouseReleased(MouseEvent evt)
203 mouseDragging = false;
205 int res = (evt.getX() / av.getCharWidth()) + av.getStartRes();
207 if (res > av.getAlignment().getWidth())
209 res = av.getAlignment().getWidth() - 1;
212 if (av.hasHiddenColumns())
214 res = av.getColumnSelection().adjustForHiddenColumns(res);
217 if (!stretchingGroup)
219 ap.paintAlignment(false);
224 SequenceGroup sg = av.getSelectionGroup();
226 if (res > sg.getStartRes())
230 else if (res < sg.getStartRes())
235 stretchingGroup = false;
236 ap.paintAlignment(false);
241 public void mouseDragged(MouseEvent evt)
243 mouseDragging = true;
245 int res = (evt.getX() / av.getCharWidth()) + av.getStartRes();
251 if (av.hasHiddenColumns())
253 res = av.getColumnSelection().adjustForHiddenColumns(res);
256 if (res > av.getAlignment().getWidth())
258 res = av.getAlignment().getWidth() - 1;
271 SequenceGroup sg = av.getSelectionGroup();
275 stretchingGroup = true;
277 if (!av.getColumnSelection().contains(res))
279 av.getColumnSelection().addElement(res);
282 if (res > sg.getStartRes())
286 if (res < sg.getStartRes())
292 for (int i = min; i <= max; i++)
294 col = av.getColumnSelection().adjustForHiddenColumns(i);
296 if ((col < sg.getStartRes()) || (col > sg.getEndRes()))
298 av.getColumnSelection().removeElement(col);
302 av.getColumnSelection().addElement(col);
306 ap.paintAlignment(false);
311 public void mouseEntered(MouseEvent evt)
315 ap.seqPanel.scrollCanvas(null);
320 public void mouseExited(MouseEvent evt)
324 ap.seqPanel.scrollCanvas(evt);
329 public void mouseClicked(MouseEvent evt)
335 public void mouseMoved(MouseEvent evt)
337 if (!av.hasHiddenColumns())
342 int res = (evt.getX() / av.getCharWidth()) + av.getStartRes();
344 res = av.getColumnSelection().adjustForHiddenColumns(res);
347 for (int[] region : av.getColumnSelection().getHiddenColumns())
349 if (res + 1 == region[0] || res - 1 == region[1])
360 public void update(Graphics g)
366 public void paint(Graphics g)
368 drawScale(g, av.getStartRes(), av.getEndRes(), getSize().width,
372 // scalewidth will normally be screenwidth,
373 public void drawScale(Graphics gg, int startx, int endx, int width,
376 gg.setFont(av.getFont());
377 // Fill in the background
378 gg.setColor(Color.white);
379 gg.fillRect(0, 0, width, height);
380 gg.setColor(Color.black);
382 // Fill the selected columns
383 ColumnSelection cs = av.getColumnSelection();
384 gg.setColor(new Color(220, 0, 0));
385 int avcharWidth = av.getCharWidth(), avcharHeight = av.getCharHeight();
386 for (int sel : cs.getSelected())
388 if (av.hasHiddenColumns())
390 sel = av.getColumnSelection().findColumnPosition(sel);
393 if ((sel >= startx) && (sel <= endx))
395 gg.fillRect((sel - startx) * avcharWidth, 0, avcharWidth,
400 // Draw the scale numbers
401 gg.setColor(Color.black);
403 int scalestartx = (startx / 10) * 10;
405 FontMetrics fm = gg.getFontMetrics(av.getFont());
406 int y = avcharHeight - fm.getDescent();
408 if ((scalestartx % 10) == 0)
416 for (int i = scalestartx; i < endx; i += 5)
420 string = String.valueOf(av.getColumnSelection()
421 .adjustForHiddenColumns(i));
422 if ((i - startx - 1) * avcharWidth > maxX)
424 gg.drawString(string, (i - startx - 1) * avcharWidth, y);
425 maxX = (i - startx + 1) * avcharWidth + fm.stringWidth(string);
428 gg.drawLine(((i - startx - 1) * avcharWidth) + (avcharWidth / 2),
430 ((i - startx - 1) * avcharWidth) + (avcharWidth / 2), y
431 + (fm.getDescent() * 2));
436 gg.drawLine(((i - startx - 1) * avcharWidth) + (avcharWidth / 2), y
437 + fm.getDescent(), ((i - startx - 1) * avcharWidth)
438 + (avcharWidth / 2), y + (fm.getDescent() * 2));
442 if (av.hasHiddenColumns())
444 gg.setColor(Color.blue);
446 if (av.getShowHiddenMarkers())
448 for (int i = 0; i < av.getColumnSelection().getHiddenColumns()
452 res = av.getColumnSelection().findHiddenRegionPosition(i)
455 if (res < 0 || res > endx - scalestartx)
460 gg.fillPolygon(new int[] { res * avcharWidth - avcharHeight / 4,
461 res * avcharWidth + avcharHeight / 4, res * avcharWidth },
462 new int[] { y - avcharHeight / 2, y - avcharHeight / 2,
468 if (reveal != null && reveal[0] > startx && reveal[0] < endx)
470 gg.drawString(MessageManager.getString("label.reveal_columns"),
471 reveal[0] * avcharWidth, 0);