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;
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.util.List;
44 public class ScalePanel extends Panel implements MouseMotionListener,
48 protected int offy = 4;
52 protected AlignViewport av;
56 boolean stretchingGroup = false;
58 int min; // used by mouseDragged to see if user
60 int max; // used by mouseDragged to see if user
62 boolean mouseDragging = false;
66 public ScalePanel(AlignViewport av, AlignmentPanel ap)
72 addMouseListener(this);
73 addMouseMotionListener(this);
78 public void mousePressed(MouseEvent evt)
80 int x = (evt.getX() / av.getCharWidth()) + av.getRanges().getStartRes();
83 if (av.hasHiddenColumns())
85 res = av.getAlignment().getHiddenColumns().adjustForHiddenColumns(x);
94 if ((evt.getModifiers() & InputEvent.BUTTON3_MASK) == InputEvent.BUTTON3_MASK)
96 rightMouseButtonPressed(evt, res);
100 leftMouseButtonPressed(evt, res);
105 * Handles left mouse button pressed (selection / clear selections)
110 protected void leftMouseButtonPressed(MouseEvent evt, final int res)
112 if (!evt.isControlDown() && !evt.isShiftDown())
114 av.getColumnSelection().clear();
117 av.getColumnSelection().addElement(res);
118 SequenceGroup sg = new SequenceGroup();
119 for (int i = 0; i < av.getAlignment().getSequences().size(); i++)
121 sg.addSequence(av.getAlignment().getSequenceAt(i), false);
126 av.setSelectionGroup(sg);
128 if (evt.isShiftDown())
130 int min = Math.min(av.getColumnSelection().getMin(), res);
131 int max = Math.max(av.getColumnSelection().getMax(), res);
132 for (int i = min; i < max; i++)
134 av.getColumnSelection().addElement(i);
139 ap.paintAlignment(true);
144 * Handles right mouse button press. If pressed in a selected column, opens
145 * context menu for 'Hide Columns'. If pressed on a hidden columns marker,
146 * opens context menu for 'Reveal / Reveal All'. Else does nothing.
151 protected void rightMouseButtonPressed(MouseEvent evt, final int res)
153 PopupMenu pop = new PopupMenu();
156 MenuItem item = new MenuItem(MessageManager.getString("label.reveal"));
157 item.addActionListener(new ActionListener()
160 public void actionPerformed(ActionEvent e)
162 av.showColumn(reveal[0]);
164 ap.paintAlignment(true);
165 if (ap.overviewPanel != null)
167 ap.overviewPanel.updateOverviewImage();
174 if (av.getAlignment().getHiddenColumns().hasManyHiddenColumns())
176 item = new MenuItem(MessageManager.getString("action.reveal_all"));
177 item.addActionListener(new ActionListener()
180 public void actionPerformed(ActionEvent e)
182 av.showAllHiddenColumns();
184 ap.paintAlignment(true);
185 if (ap.overviewPanel != null)
187 ap.overviewPanel.updateOverviewImage();
195 pop.show(this, evt.getX(), evt.getY());
197 else if (av.getColumnSelection().contains(res))
199 MenuItem item = new MenuItem(
200 MessageManager.getString("label.hide_columns"));
201 item.addActionListener(new ActionListener()
204 public void actionPerformed(ActionEvent e)
206 av.hideColumns(res, res);
207 if (av.getSelectionGroup() != null
208 && av.getSelectionGroup().getSize() == av.getAlignment()
211 av.setSelectionGroup(null);
214 ap.paintAlignment(true);
215 if (ap.overviewPanel != null)
217 ap.overviewPanel.updateOverviewImage();
224 pop.show(this, evt.getX(), evt.getY());
229 public void mouseReleased(MouseEvent evt)
231 mouseDragging = false;
233 int res = (evt.getX() / av.getCharWidth())
234 + av.getRanges().getStartRes();
236 if (res > av.getAlignment().getWidth())
238 res = av.getAlignment().getWidth() - 1;
241 if (av.hasHiddenColumns())
243 res = av.getAlignment().getHiddenColumns()
244 .adjustForHiddenColumns(res);
247 if (!stretchingGroup)
249 ap.paintAlignment(false);
254 SequenceGroup sg = av.getSelectionGroup();
256 if (res > sg.getStartRes())
260 else if (res < sg.getStartRes())
265 stretchingGroup = false;
266 ap.paintAlignment(false);
271 * Action on dragging the mouse in the scale panel is to expand or shrink the
272 * selection group range (including any hidden columns that it spans)
277 public void mouseDragged(MouseEvent evt)
279 mouseDragging = true;
280 ColumnSelection cs = av.getColumnSelection();
282 int res = (evt.getX() / av.getCharWidth())
283 + av.getRanges().getStartRes();
284 res = Math.max(0, res);
285 res = av.getAlignment().getHiddenColumns().adjustForHiddenColumns(res);
286 res = Math.min(res, av.getAlignment().getWidth() - 1);
287 min = Math.min(res, min);
288 max = Math.max(res, max);
290 SequenceGroup sg = av.getSelectionGroup();
293 stretchingGroup = true;
294 cs.stretchGroup(res, sg, min, max);
295 ap.paintAlignment(false);
300 public void mouseEntered(MouseEvent evt)
304 ap.seqPanel.scrollCanvas(null);
309 public void mouseExited(MouseEvent evt)
313 ap.seqPanel.scrollCanvas(evt);
318 public void mouseClicked(MouseEvent evt)
324 public void mouseMoved(MouseEvent evt)
326 if (!av.hasHiddenColumns())
331 int res = (evt.getX() / av.getCharWidth())
332 + av.getRanges().getStartRes();
334 res = av.getAlignment().getHiddenColumns().adjustForHiddenColumns(res);
337 for (int[] region : av.getAlignment().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 HiddenColumns hidden = av.getAlignment().getHiddenColumns();
377 int avCharWidth = av.getCharWidth();
378 int avcharHeight = av.getCharHeight();
381 gg.setColor(new Color(220, 0, 0));
382 boolean hasHiddenColumns = hidden.hasHiddenColumns();
383 for (int sel : cs.getSelected())
385 // TODO: JAL-2001 - provide a fast method to list visible selected in a
387 if (hasHiddenColumns)
389 if (hidden.isVisible(sel))
391 sel = hidden.findColumnPosition(sel);
399 if ((sel >= startx) && (sel <= endx))
401 gg.fillRect((sel - startx) * avCharWidth, 0, avCharWidth,
407 // Draw the scale numbers
408 gg.setColor(Color.black);
411 List<ScaleMark> marks = new ScaleRenderer().calculateMarks(av, startx,
414 FontMetrics fm = gg.getFontMetrics(av.getFont());
415 int y = avcharHeight;
416 int yOf = fm.getDescent();
418 for (ScaleMark mark : marks)
420 boolean major = mark.major;
421 int mpos = mark.column; // (i - startx - 1)
422 String mstring = mark.text;
425 if (mpos * avCharWidth > maxX)
427 gg.drawString(mstring, mpos * avCharWidth, y);
428 maxX = (mpos + 2) * avCharWidth + fm.stringWidth(mstring);
433 gg.drawLine((mpos * avCharWidth) + (avCharWidth / 2), y + 2,
434 (mpos * avCharWidth) + (avCharWidth / 2), y + (yOf * 2));
438 gg.drawLine((mpos * avCharWidth) + (avCharWidth / 2), y + yOf,
439 (mpos * avCharWidth) + (avCharWidth / 2), y + (yOf * 2));
443 if (av.hasHiddenColumns())
445 gg.setColor(Color.blue);
447 if (av.getShowHiddenMarkers())
449 int widthx = 1 + endx - startx;
450 for (int i = 0; i < hidden.getListOfCols().size(); i++)
453 res = hidden.findHiddenRegionPosition(i) - startx;
455 if (res < 0 || res > widthx)
460 gg.fillPolygon(new int[] {
461 -1 + res * avCharWidth - avcharHeight / 4,
462 -1 + res * avCharWidth + avcharHeight / 4,
463 -1 + res * avCharWidth }, new int[] { y, y, y + 2 * yOf }, 3);