2 * Jalview - A Sequence Alignment Editor and Viewer
3 * Copyright (C) 2006 AM Waterhouse, J Procter, G Barton, M Clamp, S Searle
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License
7 * as published by the Free Software Foundation; either version 2
8 * of the License, or (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
20 package jalview.appletgui;
23 import java.awt.event.*;
25 import jalview.datamodel.*;
27 public class ScalePanel
28 extends Panel implements MouseMotionListener, MouseListener
31 protected int offy = 4;
34 protected AlignViewport av;
37 boolean stretchingGroup = false;
38 int min; //used by mouseDragged to see if user
39 int max; //used by mouseDragged to see if user
40 boolean mouseDragging = false;
43 public ScalePanel(AlignViewport av, AlignmentPanel ap)
49 addMouseListener(this);
50 addMouseMotionListener(this);
54 public void mousePressed(MouseEvent evt)
56 int x = (evt.getX() / av.getCharWidth()) + av.getStartRes();
59 if (av.hasHiddenColumns)
60 res = av.getColumnSelection().adjustForHiddenColumns(x);
66 if ((evt.getModifiers() & InputEvent.BUTTON3_MASK)
67 == InputEvent.BUTTON3_MASK)
69 PopupMenu pop = new PopupMenu();
72 MenuItem item = new MenuItem("Reveal");
73 item.addActionListener(new ActionListener()
75 public void actionPerformed(ActionEvent e)
77 av.showColumn(reveal[0]);
80 if (ap.overviewPanel != null)
81 ap.overviewPanel.updateOverviewImage();
86 if (av.getColumnSelection().getHiddenColumns().size() > 1)
88 item = new MenuItem("Reveal All");
89 item.addActionListener(new ActionListener()
91 public void actionPerformed(ActionEvent e)
93 av.showAllHiddenColumns();
96 if (ap.overviewPanel != null)
97 ap.overviewPanel.updateOverviewImage();
103 pop.show(this, evt.getX(), evt.getY());
105 else if (av.getColumnSelection().contains(res))
107 MenuItem item = new MenuItem("Hide Columns");
108 item.addActionListener(new ActionListener()
110 public void actionPerformed(ActionEvent e)
112 av.hideColumns(res, res);
113 if (av.getSelectionGroup() != null
115 av.getSelectionGroup().getSize(false) == av.alignment.getHeight())
116 av.setSelectionGroup(null);
119 if (ap.overviewPanel != null)
120 ap.overviewPanel.updateOverviewImage();
125 pop.show(this, evt.getX(), evt.getY());
128 else // LEFT MOUSE TO SELECT
130 if (!evt.isControlDown() && !evt.isShiftDown())
132 av.getColumnSelection().clear();
135 av.getColumnSelection().addElement(res);
136 SequenceGroup sg = new SequenceGroup();
137 for (int i = 0; i < av.alignment.getSequences().size(); i++)
139 sg.addSequence(av.alignment.getSequenceAt(i), false);
144 av.setSelectionGroup(sg);
146 if(evt.isShiftDown())
148 int min = Math.min(av.getColumnSelection().getMin(), res);
149 int max = Math.max(av.getColumnSelection().getMax(), res);
150 for (int i = min; i<max; i++)
152 av.getColumnSelection().addElement(i);
162 public void mouseReleased(MouseEvent evt)
164 mouseDragging = false;
166 int res = (evt.getX() / av.getCharWidth()) + av.getStartRes();
168 if(res> av.alignment.getWidth())
170 res = av.alignment.getWidth()-1;
173 if(av.hasHiddenColumns)
174 res = av.getColumnSelection().adjustForHiddenColumns(res);
176 if (!stretchingGroup)
183 SequenceGroup sg = av.getSelectionGroup();
185 if (res > sg.getStartRes())
189 else if (res < sg.getStartRes())
194 stretchingGroup = false;
198 public void mouseDragged(MouseEvent evt)
200 mouseDragging = true;
202 int res = (evt.getX() / av.getCharWidth()) + av.getStartRes();
206 if (av.hasHiddenColumns)
207 res = av.getColumnSelection().adjustForHiddenColumns(res);
209 if (res > av.alignment.getWidth())
211 res = av.alignment.getWidth() - 1;
224 SequenceGroup sg = av.getSelectionGroup();
228 stretchingGroup = true;
230 if (!av.getColumnSelection().contains(res))
232 av.getColumnSelection().addElement(res);
235 if (res > sg.getStartRes())
239 if (res < sg.getStartRes())
244 for (int i = min; i <= max; i++)
246 if ( (i < sg.getStartRes()) || (i > sg.getEndRes()))
248 av.getColumnSelection().removeElement(i);
252 av.getColumnSelection().addElement(i);
261 public void mouseEntered(MouseEvent evt)
264 ap.seqPanel.scrollCanvas(null);
267 public void mouseExited(MouseEvent evt)
270 ap.seqPanel.scrollCanvas(evt);
273 public void mouseClicked(MouseEvent evt)
278 public void mouseMoved(MouseEvent evt)
280 if (!av.hasHiddenColumns)
283 int res = (evt.getX() / av.getCharWidth()) + av.getStartRes();
285 res = av.getColumnSelection().adjustForHiddenColumns(res);
288 for (int i = 0; i < av.getColumnSelection().getHiddenColumns().size(); i++)
290 int[] region = (int[]) av.getColumnSelection().getHiddenColumns().
292 if (res + 1 == region[0] || res - 1 == region[1])
302 public void update(Graphics g)
307 public void paint(Graphics g)
309 drawScale(g, av.getStartRes(), av.getEndRes(), getSize().width,
313 // scalewidth will normally be screenwidth,
314 public void drawScale(Graphics gg, int startx, int endx, int width,
317 gg.setFont(av.getFont());
320 //Fill in the background
321 gg.setColor(Color.white);
322 gg.fillRect(0, 0, width, height);
323 gg.setColor(Color.black);
325 //Fill the selected columns
326 ColumnSelection cs = av.getColumnSelection();
327 gg.setColor(new Color(220, 0, 0));
329 for (int i = 0; i < cs.size(); i++)
331 int sel = cs.columnAt(i);
332 if(av.hasHiddenColumns)
333 sel = av.getColumnSelection().findColumnPosition(sel);
336 if ((sel >= startx) && (sel <= endx))
338 gg.fillRect((sel - startx) * av.charWidth, 0, av.charWidth,
343 // Draw the scale numbers
344 gg.setColor(Color.black);
346 int scalestartx = (startx / 10) * 10;
348 FontMetrics fm = gg.getFontMetrics(av.getFont());
349 int y = av.charHeight - fm.getDescent();
351 if ((scalestartx % 10) == 0)
359 for (int i = scalestartx; i < endx; i += 5)
363 string = String.valueOf(av.getColumnSelection().adjustForHiddenColumns(i));
364 if ( (i - startx - 1) * av.charWidth > maxX)
366 gg.drawString(string,
367 (i - startx - 1) * av.charWidth, y);
368 maxX = (i - startx + 1) * av.charWidth + fm.stringWidth(string);
371 gg.drawLine( (int) ( ( (i - startx - 1) * av.charWidth) +
372 (av.charWidth / 2)), y + 2,
373 (int) ( ( (i - startx - 1) * av.charWidth) +
375 y + (fm.getDescent() * 2));
380 gg.drawLine((int) (((i - startx - 1) * av.charWidth) +
381 (av.charWidth / 2)), y + fm.getDescent(),
382 (int) (((i - startx - 1) * av.charWidth) +
383 (av.charWidth / 2)), y + (fm.getDescent() * 2));
387 if (av.hasHiddenColumns)
389 gg.setColor(Color.blue);
391 if(av.getShowHiddenMarkers())
393 for (int i = 0; i < av.getColumnSelection().getHiddenColumns().size();
397 res = av.getColumnSelection().findHiddenRegionPosition(i) -
400 if(res < 0 || res > endx-scalestartx)
403 gg.fillPolygon(new int[]
404 {res * av.charWidth - av.charHeight / 4,
405 res * av.charWidth + av.charHeight / 4,
409 y - av.charHeight / 2, y - av.charHeight / 2,
416 if (reveal != null && reveal[0] > startx && reveal[0] < endx)
418 gg.drawString("Reveal Columns", reveal[0] * av.charWidth, 0);