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 rightMouseButtonPressed(evt, res);
96 leftMouseButtonPressed(evt, res);
101 * Handles left mouse button pressed (selection / clear selections)
106 protected void leftMouseButtonPressed(MouseEvent evt, final int res)
108 if (!evt.isControlDown() && !evt.isShiftDown())
110 av.getColumnSelection().clear();
113 av.getColumnSelection().addElement(res);
114 SequenceGroup sg = new SequenceGroup();
115 for (int i = 0; i < av.getAlignment().getSequences().size(); i++)
117 sg.addSequence(av.getAlignment().getSequenceAt(i), false);
122 av.setSelectionGroup(sg);
124 if (evt.isShiftDown())
126 int min = Math.min(av.getColumnSelection().getMin(), res);
127 int max = Math.max(av.getColumnSelection().getMax(), res);
128 for (int i = min; i < max; i++)
130 av.getColumnSelection().addElement(i);
135 ap.paintAlignment(true);
140 * Handles right mouse button press. If pressed in a selected column, opens
141 * context menu for 'Hide Columns'. If pressed on a hidden columns marker,
142 * opens context menu for 'Reveal / Reveal All'. Else does nothing.
147 protected void rightMouseButtonPressed(MouseEvent evt, final int res)
149 PopupMenu pop = new PopupMenu();
152 MenuItem item = new MenuItem(
153 MessageManager.getString("label.reveal"));
154 item.addActionListener(new ActionListener()
157 public void actionPerformed(ActionEvent e)
159 av.showColumn(reveal[0]);
161 ap.paintAlignment(true);
162 if (ap.overviewPanel != null)
164 ap.overviewPanel.updateOverviewImage();
171 if (av.getColumnSelection().hasManyHiddenColumns())
173 item = new MenuItem(MessageManager.getString("action.reveal_all"));
174 item.addActionListener(new ActionListener()
177 public void actionPerformed(ActionEvent e)
179 av.showAllHiddenColumns();
181 ap.paintAlignment(true);
182 if (ap.overviewPanel != null)
184 ap.overviewPanel.updateOverviewImage();
192 pop.show(this, evt.getX(), evt.getY());
194 else if (av.getColumnSelection().contains(res))
196 MenuItem item = new MenuItem(
197 MessageManager.getString("label.hide_columns"));
198 item.addActionListener(new ActionListener()
201 public void actionPerformed(ActionEvent e)
203 av.hideColumns(res, res);
204 if (av.getSelectionGroup() != null
205 && av.getSelectionGroup().getSize() == av
206 .getAlignment().getHeight())
208 av.setSelectionGroup(null);
211 ap.paintAlignment(true);
212 if (ap.overviewPanel != null)
214 ap.overviewPanel.updateOverviewImage();
221 pop.show(this, evt.getX(), evt.getY());
226 public void mouseReleased(MouseEvent evt)
228 mouseDragging = false;
230 int res = (evt.getX() / av.getCharWidth()) + av.getStartRes();
232 if (res > av.getAlignment().getWidth())
234 res = av.getAlignment().getWidth() - 1;
237 if (av.hasHiddenColumns())
239 res = av.getColumnSelection().adjustForHiddenColumns(res);
242 if (!stretchingGroup)
244 ap.paintAlignment(false);
249 SequenceGroup sg = av.getSelectionGroup();
251 if (res > sg.getStartRes())
255 else if (res < sg.getStartRes())
260 stretchingGroup = false;
261 ap.paintAlignment(false);
266 public void mouseDragged(MouseEvent evt)
268 mouseDragging = true;
270 int res = (evt.getX() / av.getCharWidth()) + av.getStartRes();
276 if (av.hasHiddenColumns())
278 res = av.getColumnSelection().adjustForHiddenColumns(res);
281 if (res > av.getAlignment().getWidth())
283 res = av.getAlignment().getWidth() - 1;
296 SequenceGroup sg = av.getSelectionGroup();
300 stretchingGroup = true;
302 if (!av.getColumnSelection().contains(res))
304 av.getColumnSelection().addElement(res);
307 if (res > sg.getStartRes())
311 if (res < sg.getStartRes())
317 for (int i = min; i <= max; i++)
319 col = av.getColumnSelection().adjustForHiddenColumns(i);
321 if ((col < sg.getStartRes()) || (col > sg.getEndRes()))
323 av.getColumnSelection().removeElement(col);
327 av.getColumnSelection().addElement(col);
331 ap.paintAlignment(false);
336 public void mouseEntered(MouseEvent evt)
340 ap.seqPanel.scrollCanvas(null);
345 public void mouseExited(MouseEvent evt)
349 ap.seqPanel.scrollCanvas(evt);
354 public void mouseClicked(MouseEvent evt)
360 public void mouseMoved(MouseEvent evt)
362 if (!av.hasHiddenColumns())
367 int res = (evt.getX() / av.getCharWidth()) + av.getStartRes();
369 res = av.getColumnSelection().adjustForHiddenColumns(res);
372 for (int[] region : av.getColumnSelection().getHiddenColumns())
374 if (res + 1 == region[0] || res - 1 == region[1])
385 public void update(Graphics g)
391 public void paint(Graphics g)
393 drawScale(g, av.getStartRes(), av.getEndRes(), getSize().width,
397 // scalewidth will normally be screenwidth,
398 public void drawScale(Graphics gg, int startx, int endx, int width,
401 gg.setFont(av.getFont());
402 // Fill in the background
403 gg.setColor(Color.white);
404 gg.fillRect(0, 0, width, height);
405 gg.setColor(Color.black);
407 // Fill the selected columns
408 ColumnSelection cs = av.getColumnSelection();
409 gg.setColor(new Color(220, 0, 0));
410 int avcharWidth = av.getCharWidth(), avcharHeight = av.getCharHeight();
411 for (int sel : cs.getSelected())
413 // TODO: JAL-2001 - provide a fast method to list visible selected in a
415 if (av.hasHiddenColumns())
417 sel = av.getColumnSelection().findColumnPosition(sel);
420 if ((sel >= startx) && (sel <= endx))
422 gg.fillRect((sel - startx) * avcharWidth, 0, avcharWidth,
427 // Draw the scale numbers
428 gg.setColor(Color.black);
430 int scalestartx = (startx / 10) * 10;
431 int widthx = 1 + endx - startx;
433 FontMetrics fm = gg.getFontMetrics(av.getFont());
434 int y = avcharHeight - fm.getDescent();
436 if ((scalestartx % 10) == 0)
444 for (int i = scalestartx; i < endx; i += 5)
448 string = String.valueOf(av.getColumnSelection()
449 .adjustForHiddenColumns(i));
450 if ((i - startx - 1) * avcharWidth > maxX)
452 gg.drawString(string, (i - startx - 1) * avcharWidth, y);
453 maxX = (i - startx + 1) * avcharWidth + fm.stringWidth(string);
456 gg.drawLine(((i - startx - 1) * avcharWidth) + (avcharWidth / 2),
458 ((i - startx - 1) * avcharWidth) + (avcharWidth / 2), y
459 + (fm.getDescent() * 2));
464 gg.drawLine(((i - startx - 1) * avcharWidth) + (avcharWidth / 2), y
465 + fm.getDescent(), ((i - startx - 1) * avcharWidth)
466 + (avcharWidth / 2), y + (fm.getDescent() * 2));
470 if (av.hasHiddenColumns())
472 gg.setColor(Color.blue);
474 if (av.getShowHiddenMarkers())
476 for (int i = 0; i < av.getColumnSelection().getHiddenColumns()
480 res = av.getColumnSelection().findHiddenRegionPosition(i)
483 if (res < 0 || res > widthx)
488 gg.fillPolygon(new int[] { res * avcharWidth - avcharHeight / 4,
489 res * avcharWidth + avcharHeight / 4, res * avcharWidth },
490 new int[] { y - avcharHeight / 2, y - avcharHeight / 2,
496 if (reveal != null && reveal[0] > startx && reveal[0] < endx)
498 gg.drawString(MessageManager.getString("label.reveal_columns"),
499 reveal[0] * avcharWidth, 0);