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.
23 import jalview.datamodel.ColumnSelection;
24 import jalview.datamodel.SequenceGroup;
25 import jalview.datamodel.SequenceI;
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.Graphics2D;
34 import java.awt.RenderingHints;
35 import java.awt.event.ActionEvent;
36 import java.awt.event.ActionListener;
37 import java.awt.event.MouseEvent;
38 import java.awt.event.MouseListener;
39 import java.awt.event.MouseMotionListener;
40 import java.util.List;
42 import javax.swing.JMenuItem;
43 import javax.swing.JPanel;
44 import javax.swing.JPopupMenu;
45 import javax.swing.ToolTipManager;
48 * The panel containing the sequence ruler (when not in wrapped mode), and
49 * supports a range of mouse operations to select, hide or reveal columns.
51 public class ScalePanel extends JPanel implements MouseMotionListener,
54 protected int offy = 4;
58 protected AlignViewport av;
62 boolean stretchingGroup = false;
65 * min, max hold the extent of a mouse drag action
71 boolean mouseDragging = false;
74 * holds a hidden column range when the mouse is over an adjacent column
84 public ScalePanel(AlignViewport av, AlignmentPanel ap)
89 addMouseListener(this);
90 addMouseMotionListener(this);
100 public void mousePressed(MouseEvent evt)
102 int x = (evt.getX() / av.getCharWidth()) + av.getStartRes();
105 if (av.hasHiddenColumns())
107 x = av.getColumnSelection().adjustForHiddenColumns(x);
110 if (x >= av.getAlignment().getWidth())
112 res = av.getAlignment().getWidth() - 1;
122 if (evt.isPopupTrigger())
124 rightMouseButtonPressed(evt, res);
128 leftMouseButtonPressed(evt, res);
133 * Handles right mouse button press. If pressed in a selected column, opens
134 * context menu for 'Hide Columns'. If pressed on a hidden columns marker,
135 * opens context menu for 'Reveal / Reveal All'. Else does nothing.
140 protected void rightMouseButtonPressed(MouseEvent evt, final int res)
142 JPopupMenu pop = new JPopupMenu();
145 JMenuItem item = new JMenuItem(
146 MessageManager.getString("label.reveal"));
147 item.addActionListener(new ActionListener()
150 public void actionPerformed(ActionEvent e)
152 av.showColumn(reveal[0]);
154 ap.paintAlignment(true);
155 if (ap.overviewPanel != null)
157 ap.overviewPanel.updateOverviewImage();
164 if (av.getColumnSelection().hasHiddenColumns())
166 item = new JMenuItem(MessageManager.getString("action.reveal_all"));
167 item.addActionListener(new ActionListener()
170 public void actionPerformed(ActionEvent e)
172 av.showAllHiddenColumns();
174 ap.paintAlignment(true);
175 if (ap.overviewPanel != null)
177 ap.overviewPanel.updateOverviewImage();
184 pop.show(this, evt.getX(), evt.getY());
186 else if (av.getColumnSelection().contains(res))
188 JMenuItem item = new JMenuItem(
189 MessageManager.getString("label.hide_columns"));
190 item.addActionListener(new ActionListener()
193 public void actionPerformed(ActionEvent e)
195 av.hideColumns(res, res);
196 if (av.getSelectionGroup() != null
197 && av.getSelectionGroup().getSize() == av.getAlignment()
200 av.setSelectionGroup(null);
203 ap.paintAlignment(true);
204 if (ap.overviewPanel != null)
206 ap.overviewPanel.updateOverviewImage();
212 pop.show(this, evt.getX(), evt.getY());
217 * Handles left mouse button press
222 protected void leftMouseButtonPressed(MouseEvent evt, final int res)
224 if (!evt.isControlDown() && !evt.isShiftDown())
226 av.getColumnSelection().clear();
229 av.getColumnSelection().addElement(res);
230 SequenceGroup sg = new SequenceGroup();
231 // try to be as quick as possible
232 SequenceI[] iVec = av.getAlignment().getSequencesArray();
233 for (int i = 0; i < iVec.length; i++)
235 sg.addSequence(iVec[i], false);
242 if (evt.isShiftDown())
244 int min = Math.min(av.getColumnSelection().getMin(), res);
245 int max = Math.max(av.getColumnSelection().getMax(), res);
246 for (int i = min; i < max; i++)
248 av.getColumnSelection().addElement(i);
253 av.setSelectionGroup(sg);
254 ap.paintAlignment(false);
265 public void mouseReleased(MouseEvent evt)
267 mouseDragging = false;
269 int res = (evt.getX() / av.getCharWidth()) + av.getStartRes();
271 if (av.hasHiddenColumns())
273 res = av.getColumnSelection().adjustForHiddenColumns(res);
276 if (res >= av.getAlignment().getWidth())
278 res = av.getAlignment().getWidth() - 1;
281 if (!stretchingGroup)
283 ap.paintAlignment(false);
288 SequenceGroup sg = av.getSelectionGroup();
292 if (res > sg.getStartRes())
296 else if (res < sg.getStartRes())
301 stretchingGroup = false;
302 ap.paintAlignment(false);
313 public void mouseDragged(MouseEvent evt)
315 mouseDragging = true;
317 int res = (evt.getX() / av.getCharWidth()) + av.getStartRes();
323 if (av.hasHiddenColumns())
325 res = av.getColumnSelection().adjustForHiddenColumns(res);
328 if (res >= av.getAlignment().getWidth())
330 res = av.getAlignment().getWidth() - 1;
343 SequenceGroup sg = av.getSelectionGroup();
347 stretchingGroup = true;
349 if (!av.getColumnSelection().contains(res))
351 av.getColumnSelection().addElement(res);
354 if (res > sg.getStartRes())
358 if (res < sg.getStartRes())
364 for (int i = min; i <= max; i++)
366 col = i; // av.getColumnSelection().adjustForHiddenColumns(i);
368 if ((col < sg.getStartRes()) || (col > sg.getEndRes()))
370 av.getColumnSelection().removeElement(col);
374 av.getColumnSelection().addElement(col);
378 ap.paintAlignment(false);
383 public void mouseEntered(MouseEvent evt)
387 ap.getSeqPanel().scrollCanvas(null);
392 public void mouseExited(MouseEvent evt)
396 ap.getSeqPanel().scrollCanvas(evt);
401 public void mouseClicked(MouseEvent evt)
406 public void mouseMoved(MouseEvent evt)
408 this.setToolTipText(null);
410 if (!av.hasHiddenColumns())
415 int res = (evt.getX() / av.getCharWidth()) + av.getStartRes();
417 res = av.getColumnSelection().adjustForHiddenColumns(res);
419 if (av.getColumnSelection().getHiddenColumns() != null)
421 for (int[] region : av.getColumnSelection().getHiddenColumns())
423 if (res + 1 == region[0] || res - 1 == region[1])
426 ToolTipManager.sharedInstance().registerComponent(this);
427 this.setToolTipText(MessageManager
428 .getString("label.reveal_hidden_columns"));
443 public void paintComponent(Graphics g)
445 drawScale(g, av.getStartRes(), av.getEndRes(), getWidth(), getHeight());
448 // scalewidth will normally be screenwidth,
449 public void drawScale(Graphics g, int startx, int endx, int width,
452 Graphics2D gg = (Graphics2D) g;
453 gg.setFont(av.getFont());
457 gg.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
458 RenderingHints.VALUE_ANTIALIAS_ON);
461 // Fill in the background
462 gg.setColor(Color.white);
463 gg.fillRect(0, 0, width, height);
464 gg.setColor(Color.black);
466 // Fill the selected columns
467 ColumnSelection cs = av.getColumnSelection();
468 int avCharWidth = av.getCharWidth(), avCharHeight = av.getCharHeight();
472 gg.setColor(new Color(220, 0, 0));
474 for (int sel : cs.getSelected())
476 // TODO: JAL-2001 - provide a fast method to list visible selected in a
479 if (av.hasHiddenColumns())
481 if (cs.isVisible(sel))
483 sel = cs.findColumnPosition(sel);
491 if ((sel >= startx) && (sel <= endx))
493 gg.fillRect((sel - startx) * avCharWidth, 0, avCharWidth,
499 int widthx = 1 + endx - startx;
501 FontMetrics fm = gg.getFontMetrics(av.getFont());
502 int y = avCharHeight;
503 int yOf = fm.getDescent();
505 if (av.hasHiddenColumns())
507 // draw any hidden column markers
508 gg.setColor(Color.blue);
510 if (av.getShowHiddenMarkers()
511 && av.getColumnSelection().getHiddenColumns() != null)
513 for (int i = 0; i < av.getColumnSelection().getHiddenColumns()
516 res = av.getColumnSelection().findHiddenRegionPosition(i)
519 if (res < 0 || res > widthx)
524 gg.fillPolygon(new int[] {
525 -1 + res * avCharWidth - avCharHeight / 4,
526 -1 + res * avCharWidth + avCharHeight / 4,
527 -1 + res * avCharWidth }, new int[] { y, y, y + 2 * yOf }, 3);
531 // Draw the scale numbers
532 gg.setColor(Color.black);
535 List<ScaleMark> marks = new ScaleRenderer().calculateMarks(av, startx,
538 for (ScaleMark mark : marks)
540 boolean major = mark.major;
541 int mpos = mark.column; // (i - startx - 1)
542 String mstring = mark.text;
545 if (mpos * avCharWidth > maxX)
547 gg.drawString(mstring, mpos * avCharWidth, y);
548 maxX = (mpos + 2) * avCharWidth + fm.stringWidth(mstring);
553 gg.drawLine((mpos * avCharWidth) + (avCharWidth / 2), y + 2,
554 (mpos * avCharWidth) + (avCharWidth / 2), y + (yOf * 2));
558 gg.drawLine((mpos * avCharWidth) + (avCharWidth / 2), y + yOf,
559 (mpos * avCharWidth) + (avCharWidth / 2), y + (yOf * 2));