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.HiddenColumns;
25 import jalview.datamodel.SequenceGroup;
26 import jalview.renderer.ScaleRenderer;
27 import jalview.renderer.ScaleRenderer.ScaleMark;
28 import jalview.util.MessageManager;
29 import jalview.viewmodel.ViewportListenerI;
31 import java.awt.Color;
32 import java.awt.FontMetrics;
33 import java.awt.Graphics;
34 import java.awt.MenuItem;
35 import java.awt.Panel;
36 import java.awt.PopupMenu;
37 import java.awt.event.ActionEvent;
38 import java.awt.event.ActionListener;
39 import java.awt.event.InputEvent;
40 import java.awt.event.MouseEvent;
41 import java.awt.event.MouseListener;
42 import java.awt.event.MouseMotionListener;
43 import java.beans.PropertyChangeEvent;
44 import java.util.List;
46 public class ScalePanel extends Panel implements MouseMotionListener,
47 MouseListener, ViewportListenerI
50 protected int offy = 4;
54 protected AlignViewport av;
58 boolean stretchingGroup = false;
60 int min; // used by mouseDragged to see if user
62 int max; // used by mouseDragged to see if user
64 boolean mouseDragging = false;
68 public ScalePanel(AlignViewport av, AlignmentPanel ap)
74 addMouseListener(this);
75 addMouseMotionListener(this);
77 av.getRanges().addPropertyChangeListener(this);
81 public void mousePressed(MouseEvent evt)
83 int x = (evt.getX() / av.getCharWidth()) + av.getRanges().getStartRes();
86 if (av.hasHiddenColumns())
88 res = av.getAlignment().getHiddenColumns().adjustForHiddenColumns(x);
97 if ((evt.getModifiers() & InputEvent.BUTTON3_MASK) == InputEvent.BUTTON3_MASK)
99 rightMouseButtonPressed(evt, res);
103 leftMouseButtonPressed(evt, res);
108 * Handles left mouse button pressed (selection / clear selections)
113 protected void leftMouseButtonPressed(MouseEvent evt, final int res)
115 if (!evt.isControlDown() && !evt.isShiftDown())
117 av.getColumnSelection().clear();
120 av.getColumnSelection().addElement(res);
121 SequenceGroup sg = new SequenceGroup();
122 for (int i = 0; i < av.getAlignment().getSequences().size(); i++)
124 sg.addSequence(av.getAlignment().getSequenceAt(i), false);
129 av.setSelectionGroup(sg);
131 if (evt.isShiftDown())
133 int min = Math.min(av.getColumnSelection().getMin(), res);
134 int max = Math.max(av.getColumnSelection().getMax(), res);
135 for (int i = min; i < max; i++)
137 av.getColumnSelection().addElement(i);
142 ap.paintAlignment(true);
147 * Handles right mouse button press. If pressed in a selected column, opens
148 * context menu for 'Hide Columns'. If pressed on a hidden columns marker,
149 * opens context menu for 'Reveal / Reveal All'. Else does nothing.
154 protected void rightMouseButtonPressed(MouseEvent evt, final int res)
156 PopupMenu pop = new PopupMenu();
159 MenuItem item = new MenuItem(MessageManager.getString("label.reveal"));
160 item.addActionListener(new ActionListener()
163 public void actionPerformed(ActionEvent e)
165 av.showColumn(reveal[0]);
167 ap.paintAlignment(true);
168 if (ap.overviewPanel != null)
170 ap.overviewPanel.updateOverviewImage();
177 if (av.getAlignment().getHiddenColumns().hasManyHiddenColumns())
179 item = new MenuItem(MessageManager.getString("action.reveal_all"));
180 item.addActionListener(new ActionListener()
183 public void actionPerformed(ActionEvent e)
185 av.showAllHiddenColumns();
187 ap.paintAlignment(true);
188 if (ap.overviewPanel != null)
190 ap.overviewPanel.updateOverviewImage();
198 pop.show(this, evt.getX(), evt.getY());
200 else if (av.getColumnSelection().contains(res))
202 MenuItem item = new MenuItem(
203 MessageManager.getString("label.hide_columns"));
204 item.addActionListener(new ActionListener()
207 public void actionPerformed(ActionEvent e)
209 av.hideColumns(res, res);
210 if (av.getSelectionGroup() != null
211 && av.getSelectionGroup().getSize() == av.getAlignment()
214 av.setSelectionGroup(null);
217 ap.paintAlignment(true);
218 if (ap.overviewPanel != null)
220 ap.overviewPanel.updateOverviewImage();
227 pop.show(this, evt.getX(), evt.getY());
232 public void mouseReleased(MouseEvent evt)
234 mouseDragging = false;
236 int res = (evt.getX() / av.getCharWidth())
237 + av.getRanges().getStartRes();
239 if (res > av.getAlignment().getWidth())
241 res = av.getAlignment().getWidth() - 1;
244 if (av.hasHiddenColumns())
246 res = av.getAlignment().getHiddenColumns()
247 .adjustForHiddenColumns(res);
250 if (!stretchingGroup)
252 ap.paintAlignment(false);
257 SequenceGroup sg = av.getSelectionGroup();
259 if (res > sg.getStartRes())
263 else if (res < sg.getStartRes())
268 stretchingGroup = false;
269 ap.paintAlignment(false);
274 * Action on dragging the mouse in the scale panel is to expand or shrink the
275 * selection group range (including any hidden columns that it spans)
280 public void mouseDragged(MouseEvent evt)
282 mouseDragging = true;
283 ColumnSelection cs = av.getColumnSelection();
285 int res = (evt.getX() / av.getCharWidth())
286 + av.getRanges().getStartRes();
287 res = Math.max(0, res);
288 res = av.getAlignment().getHiddenColumns().adjustForHiddenColumns(res);
289 res = Math.min(res, av.getAlignment().getWidth() - 1);
290 min = Math.min(res, min);
291 max = Math.max(res, max);
293 SequenceGroup sg = av.getSelectionGroup();
296 stretchingGroup = true;
297 cs.stretchGroup(res, sg, min, max);
298 ap.paintAlignment(false);
303 public void mouseEntered(MouseEvent evt)
307 ap.seqPanel.scrollCanvas(null);
312 public void mouseExited(MouseEvent evt)
316 ap.seqPanel.scrollCanvas(evt);
321 public void mouseClicked(MouseEvent evt)
327 public void mouseMoved(MouseEvent evt)
329 if (!av.hasHiddenColumns())
334 int res = (evt.getX() / av.getCharWidth())
335 + av.getRanges().getStartRes();
337 res = av.getAlignment().getHiddenColumns().adjustForHiddenColumns(res);
340 for (int[] region : av.getAlignment().getHiddenColumns()
343 if (res + 1 == region[0] || res - 1 == region[1])
354 public void update(Graphics g)
360 public void paint(Graphics g)
362 drawScale(g, av.getRanges().getStartRes(), av.getRanges().getEndRes(),
367 // scalewidth will normally be screenwidth,
368 public void drawScale(Graphics gg, int startx, int endx, int width,
371 gg.setFont(av.getFont());
372 // Fill in the background
373 gg.setColor(Color.white);
374 gg.fillRect(0, 0, width, height);
375 gg.setColor(Color.black);
377 // Fill the selected columns
378 ColumnSelection cs = av.getColumnSelection();
379 HiddenColumns hidden = av.getAlignment().getHiddenColumns();
380 int avCharWidth = av.getCharWidth();
381 int avcharHeight = av.getCharHeight();
384 gg.setColor(new Color(220, 0, 0));
385 boolean hasHiddenColumns = hidden.hasHiddenColumns();
386 for (int sel : cs.getSelected())
388 // TODO: JAL-2001 - provide a fast method to list visible selected in a
390 if (hasHiddenColumns)
392 if (hidden.isVisible(sel))
394 sel = hidden.findColumnPosition(sel);
402 if ((sel >= startx) && (sel <= endx))
404 gg.fillRect((sel - startx) * avCharWidth, 0, avCharWidth,
410 // Draw the scale numbers
411 gg.setColor(Color.black);
414 List<ScaleMark> marks = new ScaleRenderer().calculateMarks(av, startx,
417 FontMetrics fm = gg.getFontMetrics(av.getFont());
418 int y = avcharHeight;
419 int yOf = fm.getDescent();
421 for (ScaleMark mark : marks)
423 boolean major = mark.major;
424 int mpos = mark.column; // (i - startx - 1)
425 String mstring = mark.text;
428 if (mpos * avCharWidth > maxX)
430 gg.drawString(mstring, mpos * avCharWidth, y);
431 maxX = (mpos + 2) * avCharWidth + fm.stringWidth(mstring);
436 gg.drawLine((mpos * avCharWidth) + (avCharWidth / 2), y + 2,
437 (mpos * avCharWidth) + (avCharWidth / 2), y + (yOf * 2));
441 gg.drawLine((mpos * avCharWidth) + (avCharWidth / 2), y + yOf,
442 (mpos * avCharWidth) + (avCharWidth / 2), y + (yOf * 2));
446 if (av.hasHiddenColumns())
448 gg.setColor(Color.blue);
450 if (av.getShowHiddenMarkers())
452 int widthx = 1 + endx - startx;
453 for (int i = 0; i < hidden.getHiddenRegions().size(); i++)
456 res = hidden.findHiddenRegionPosition(i) - startx;
458 if (res < 0 || res > widthx)
463 gg.fillPolygon(new int[] {
464 -1 + res * avCharWidth - avcharHeight / 4,
465 -1 + res * avCharWidth + avcharHeight / 4,
466 -1 + res * avCharWidth }, new int[] { y, y, y + 2 * yOf }, 3);
473 public void propertyChange(PropertyChangeEvent evt)
475 // Respond to viewport change events (e.g. alignment panel was scrolled)