2 * Jalview - A Sequence Alignment Editor and Viewer (Version 2.4)
3 * Copyright (C) 2008 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
19 package jalview.appletgui;
24 import java.awt.event.*;
26 import jalview.analysis.*;
27 import jalview.datamodel.*;
28 import jalview.schemes.*;
29 import jalview.util.*;
31 public class TreeCanvas extends Panel implements MouseListener,
36 ScrollPane scrollPane;
40 public static final String PLACEHOLDER = " * ";
44 boolean fitToWindow = true;
46 boolean showDistances = false;
48 boolean showBootstrap = false;
50 boolean markPlaceholders = false;
62 Hashtable nameHash = new Hashtable();
64 Hashtable nodeHash = new Hashtable();
66 SequenceNode highlightNode;
68 public TreeCanvas(AlignViewport av, ScrollPane scroller)
72 scrollPane = scroller;
73 addMouseListener(this);
74 addMouseMotionListener(this);
77 PaintRefresher.Register(this, av.getSequenceSetId());
80 public void treeSelectionChanged(SequenceI sequence)
82 SequenceGroup selected = av.getSelectionGroup();
85 selected = new SequenceGroup();
86 av.setSelectionGroup(selected);
89 selected.setEndRes(av.alignment.getWidth() - 1);
90 selected.addOrRemove(sequence, true);
93 public void setTree(NJTree tree)
96 tree.findHeight(tree.getTopNode());
98 // Now have to calculate longest name based on the leaves
99 Vector leaves = tree.findLeaves(tree.getTopNode(), new Vector());
100 boolean has_placeholders = false;
103 for (int i = 0; i < leaves.size(); i++)
105 SequenceNode lf = (SequenceNode) leaves.elementAt(i);
107 if (lf.isPlaceholder())
109 has_placeholders = true;
112 if (longestName.length() < ((Sequence) lf.element()).getName()
115 longestName = TreeCanvas.PLACEHOLDER
116 + ((Sequence) lf.element()).getName();
120 setMarkPlaceholders(has_placeholders);
123 public void drawNode(Graphics g, SequenceNode node, float chunk,
124 float scale, int width, int offx, int offy)
131 if (node.left() == null && node.right() == null)
135 float height = node.height;
136 float dist = node.dist;
138 int xstart = (int) ((height - dist) * scale) + offx;
139 int xend = (int) (height * scale) + offx;
141 int ypos = (int) (node.ycount * chunk) + offy;
143 if (node.element() instanceof SequenceI)
145 SequenceI seq = (SequenceI) ((SequenceNode) node).element();
147 if (av.getSequenceColour(seq) == Color.white)
149 g.setColor(Color.black);
153 g.setColor(av.getSequenceColour(seq).darker());
159 g.setColor(Color.black);
162 // Draw horizontal line
163 g.drawLine(xstart, ypos, xend, ypos);
165 String nodeLabel = "";
166 if (showDistances && node.dist > 0)
168 nodeLabel = new Format("%-.2f").form(node.dist);
172 int btstrap = node.getBootstrap();
177 nodeLabel = nodeLabel + " : ";
179 nodeLabel = nodeLabel + String.valueOf(node.getBootstrap());
182 if (!nodeLabel.equals(""))
184 g.drawString(nodeLabel, xstart + 2, ypos - 2);
187 String name = (markPlaceholders && node.isPlaceholder()) ? (PLACEHOLDER + node
190 FontMetrics fm = g.getFontMetrics(font);
191 int charWidth = fm.stringWidth(name) + 3;
192 int charHeight = fm.getHeight();
194 Rectangle rect = new Rectangle(xend + 10, ypos - charHeight,
195 charWidth, charHeight);
197 nameHash.put((SequenceI) node.element(), rect);
199 // Colour selected leaves differently
200 SequenceGroup selected = av.getSelectionGroup();
202 && selected.getSequences(null).contains(
203 (SequenceI) node.element()))
205 g.setColor(Color.gray);
207 g.fillRect(xend + 10, ypos - charHeight + 3, charWidth, charHeight);
208 g.setColor(Color.white);
210 g.drawString(name, xend + 10, ypos);
211 g.setColor(Color.black);
215 drawNode(g, (SequenceNode) node.left(), chunk, scale, width, offx,
217 drawNode(g, (SequenceNode) node.right(), chunk, scale, width, offx,
220 float height = node.height;
221 float dist = node.dist;
223 int xstart = (int) ((height - dist) * scale) + offx;
224 int xend = (int) (height * scale) + offx;
225 int ypos = (int) (node.ycount * chunk) + offy;
227 g.setColor(((SequenceNode) node).color.darker());
229 // Draw horizontal line
230 g.drawLine(xstart, ypos, xend, ypos);
231 if (node == highlightNode)
233 g.fillRect(xend - 3, ypos - 3, 6, 6);
237 g.fillRect(xend - 2, ypos - 2, 4, 4);
240 int ystart = (int) (((SequenceNode) node.left()).ycount * chunk)
242 int yend = (int) (((SequenceNode) node.right()).ycount * chunk)
245 Rectangle pos = new Rectangle(xend - 2, ypos - 2, 5, 5);
246 nodeHash.put(node, pos);
248 g.drawLine((int) (height * scale) + offx, ystart,
249 (int) (height * scale) + offx, yend);
251 String nodeLabel = "";
253 if (showDistances && (node.dist > 0))
255 nodeLabel = new Format("%-.2f").form(node.dist);
260 int btstrap = node.getBootstrap();
265 nodeLabel = nodeLabel + " : ";
267 nodeLabel = nodeLabel + String.valueOf(node.getBootstrap());
271 if (!nodeLabel.equals(""))
273 g.drawString(nodeLabel, xstart + 2, ypos - 2);
279 public Object findElement(int x, int y)
281 Enumeration keys = nameHash.keys();
283 while (keys.hasMoreElements())
285 Object ob = keys.nextElement();
286 Rectangle rect = (Rectangle) nameHash.get(ob);
288 if (x >= rect.x && x <= (rect.x + rect.width) && y >= rect.y
289 && y <= (rect.y + rect.height))
294 keys = nodeHash.keys();
296 while (keys.hasMoreElements())
298 Object ob = keys.nextElement();
299 Rectangle rect = (Rectangle) nodeHash.get(ob);
301 if (x >= rect.x && x <= (rect.x + rect.width) && y >= rect.y
302 && y <= (rect.y + rect.height))
311 public void pickNodes(Rectangle pickBox)
313 int width = getSize().width;
314 int height = getSize().height;
316 SequenceNode top = tree.getTopNode();
318 float wscale = (float) (width * .8 - offx * 2) / tree.getMaxHeight();
321 top.count = ((SequenceNode) top.left()).count
322 + ((SequenceNode) top.right()).count;
324 float chunk = (float) (height - offy) / top.count;
326 pickNode(pickBox, top, chunk, wscale, width, offx, offy);
329 public void pickNode(Rectangle pickBox, SequenceNode node, float chunk,
330 float scale, int width, int offx, int offy)
337 if (node.left() == null && node.right() == null)
339 float height = node.height;
340 // float dist = node.dist;
342 // int xstart = (int) ( (height - dist) * scale) + offx;
343 int xend = (int) (height * scale) + offx;
345 int ypos = (int) (node.ycount * chunk) + offy;
347 if (pickBox.contains(new Point(xend, ypos)))
349 if (node.element() instanceof SequenceI)
351 SequenceI seq = (SequenceI) node.element();
352 SequenceGroup sg = av.getSelectionGroup();
355 sg.addOrRemove(seq, true);
362 pickNode(pickBox, (SequenceNode) node.left(), chunk, scale, width,
364 pickNode(pickBox, (SequenceNode) node.right(), chunk, scale, width,
369 public void setColor(SequenceNode node, Color c)
376 if (node.left() == null && node.right() == null)
380 if (node.element() instanceof SequenceI)
382 av.setSequenceColour((SequenceI) node.element(), c);
388 setColor((SequenceNode) node.left(), c);
389 setColor((SequenceNode) node.right(), c);
393 public void update(Graphics g)
398 public void paint(Graphics g)
405 if (nameHash.size() == 0)
410 int width = scrollPane.getSize().width;
411 int height = scrollPane.getSize().height;
414 height = g.getFontMetrics(font).getHeight() * nameHash.size();
417 if (getSize().width > width)
419 setSize(new Dimension(width, height));
420 scrollPane.validate();
424 setSize(new Dimension(width, height));
428 draw(g, width, height);
432 public void draw(Graphics g, int width, int height)
434 offy = font.getSize() + 10;
436 g.setColor(Color.white);
437 g.fillRect(0, 0, width, height);
439 labelLength = g.getFontMetrics(font).stringWidth(longestName) + 20; // 20
444 float wscale = (float) (width - labelLength - offx * 2)
445 / tree.getMaxHeight();
447 SequenceNode top = tree.getTopNode();
451 top.count = ((SequenceNode) top.left()).count
452 + ((SequenceNode) top.right()).count;
454 float chunk = (float) (height - offy) / top.count;
456 drawNode(g, tree.getTopNode(), chunk, wscale, width, offx, offy);
460 if (av.getCurrentTree() == tree)
462 g.setColor(Color.red);
466 g.setColor(Color.gray);
469 int x = (int) (threshold
470 * (float) (getSize().width - labelLength - 2 * offx) + offx);
472 g.drawLine(x, 0, x, getSize().height);
477 public void mouseReleased(MouseEvent e)
481 public void mouseEntered(MouseEvent e)
485 public void mouseExited(MouseEvent e)
489 public void mouseClicked(MouseEvent evt)
491 if (highlightNode != null)
493 if (evt.getClickCount() > 1)
495 tree.swapNodes(highlightNode);
496 tree.reCount(tree.getTopNode());
497 tree.findHeight(tree.getTopNode());
501 Vector leaves = new Vector();
502 tree.findLeaves(highlightNode, leaves);
504 for (int i = 0; i < leaves.size(); i++)
506 SequenceI seq = (SequenceI) ((SequenceNode) leaves.elementAt(i))
508 treeSelectionChanged(seq);
512 PaintRefresher.Refresh(this, av.getSequenceSetId());
517 public void mouseDragged(MouseEvent ect)
521 public void mouseMoved(MouseEvent evt)
523 av.setCurrentTree(tree);
525 Object ob = findElement(evt.getX(), evt.getY());
527 if (ob instanceof SequenceNode)
529 highlightNode = (SequenceNode) ob;
534 if (highlightNode != null)
536 highlightNode = null;
542 public void mousePressed(MouseEvent e)
544 av.setCurrentTree(tree);
549 Object ob = findElement(x, y);
551 if (ob instanceof SequenceI)
553 treeSelectionChanged((Sequence) ob);
554 PaintRefresher.Refresh(this, av.getSequenceSetId());
558 else if (!(ob instanceof SequenceNode))
562 if (tree.getMaxHeight() != 0)
564 threshold = (float) (x - offx)
565 / (float) (getSize().width - labelLength - 2 * offx);
567 tree.getGroups().removeAllElements();
568 tree.groupNodes(tree.getTopNode(), threshold);
569 setColor(tree.getTopNode(), Color.black);
571 av.setSelectionGroup(null);
572 av.alignment.deleteAllGroups();
573 av.sequenceColours = null;
580 PaintRefresher.Refresh(this, av.getSequenceSetId());
587 for (int i = 0; i < tree.getGroups().size(); i++)
590 Color col = new Color((int) (Math.random() * 255), (int) (Math
591 .random() * 255), (int) (Math.random() * 255));
592 setColor((SequenceNode) tree.getGroups().elementAt(i), col.brighter());
594 Vector l = tree.findLeaves((SequenceNode) tree.getGroups().elementAt(
597 Vector sequences = new Vector();
598 for (int j = 0; j < l.size(); j++)
600 SequenceI s1 = (SequenceI) ((SequenceNode) l.elementAt(j))
602 if (!sequences.contains(s1))
604 sequences.addElement(s1);
608 ColourSchemeI cs = null;
610 if (av.getGlobalColourScheme() != null)
612 if (av.getGlobalColourScheme() instanceof UserColourScheme)
614 cs = new UserColourScheme(((UserColourScheme) av
615 .getGlobalColourScheme()).getColours());
620 cs = ColourSchemeProperty.getColour(sequences, av.alignment
621 .getWidth(), ColourSchemeProperty.getColourName(av
622 .getGlobalColourScheme()));
625 cs.setThreshold(av.getGlobalColourScheme().getThreshold(), av
626 .getIgnoreGapsConsensus());
629 SequenceGroup sg = new SequenceGroup(sequences, "", cs, true, true,
630 false, 0, av.alignment.getWidth() - 1);
632 sg.setName("JTreeGroup:" + sg.hashCode());
634 if (av.getGlobalColourScheme() != null
635 && av.getGlobalColourScheme().conservationApplied())
637 Conservation c = new Conservation("Group",
638 ResidueProperties.propHash, 3, sg.getSequences(null), sg
639 .getStartRes(), sg.getEndRes());
642 c.verdict(false, av.ConsPercGaps);
643 cs.setConservation(c);
649 av.alignment.addGroup(sg);
655 public void setShowDistances(boolean state)
657 this.showDistances = state;
661 public void setShowBootstrap(boolean state)
663 this.showBootstrap = state;
667 public void setMarkPlaceholders(boolean state)
669 this.markPlaceholders = state;