2 * Jalview - A Sequence Alignment Editor and Viewer
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3 * Copyright (C) 2005 AM Waterhouse, J Procter, G Barton, M Clamp, S Searle
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5 * This program is free software; you can redistribute it and/or
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6 * modify it under the terms of the GNU General Public License
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7 * as published by the Free Software Foundation; either version 2
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8 * of the License, or (at your option) any later version.
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10 * This program is distributed in the hope that it will be useful,
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11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 * GNU General Public License for more details.
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15 * You should have received a copy of the GNU General Public License
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16 * along with this program; if not, write to the Free Software
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17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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20 package jalview.appletgui;
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25 import java.awt.event.*;
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27 import jalview.analysis.*;
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28 import jalview.datamodel.*;
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29 import jalview.schemes.*;
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30 import jalview.util.*;
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32 public class TreeCanvas
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33 extends Panel implements MouseListener
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36 ScrollPane scrollPane;
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38 public static final String PLACEHOLDER = " * ";
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40 boolean fitToWindow = true;
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41 boolean showDistances = false;
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42 boolean showBootstrap = false;
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43 boolean markPlaceholders = false;
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51 int labelLength = -1;
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53 //RubberbandRectangle rubberband;
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57 Hashtable nameHash = new Hashtable();
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58 Hashtable nodeHash = new Hashtable();
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60 public TreeCanvas(AlignViewport av, ScrollPane scroller)
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63 font = av.getFont();
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64 scrollPane = scroller;
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65 addMouseListener(this);
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68 PaintRefresher.Register(this, av.alignment);
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71 public void TreeSelectionChanged(Sequence sequence)
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73 SequenceGroup selected = av.getSelectionGroup();
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74 if (selected == null)
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76 selected = new SequenceGroup();
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77 av.setSelectionGroup(selected);
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80 selected.setEndRes(av.alignment.getWidth()-1);
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81 selected.addOrRemove(sequence, true);
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83 PaintRefresher.Refresh(this, av.alignment);
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87 public void setTree(NJTree tree)
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90 tree.findHeight(tree.getTopNode());
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92 // Now have to calculate longest name based on the leaves
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93 Vector leaves = tree.findLeaves(tree.getTopNode(), new Vector());
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94 boolean has_placeholders = false;
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97 for (int i = 0; i < leaves.size(); i++)
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99 SequenceNode lf = (SequenceNode) leaves.elementAt(i);
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101 if (lf.isPlaceholder())
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103 has_placeholders = true;
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106 if (longestName.length() < ( (Sequence) lf.element()).getName()
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109 longestName = TreeCanvas.PLACEHOLDER +
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110 ( (Sequence) lf.element()).getName();
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114 setMarkPlaceholders(has_placeholders);
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117 public void drawNode(Graphics g, SequenceNode node, float chunk, float scale,
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118 int width, int offx, int offy)
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125 if (node.left() == null && node.right() == null)
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127 // Drawing leaf node
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129 float height = node.height;
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130 float dist = node.dist;
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132 int xstart = (int) ( (height - dist) * scale) + offx;
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133 int xend = (int) (height * scale) + offx;
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135 int ypos = (int) (node.ycount * chunk) + offy;
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137 if (node.element() instanceof SequenceI)
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139 if ( ( (SequenceI) ( (SequenceNode) node).element()).getColor() ==
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142 g.setColor(Color.black);
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146 g.setColor( ( (SequenceI) ( (SequenceNode) node).element()).getColor().
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153 g.setColor(Color.black);
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156 // Draw horizontal line
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157 g.drawLine(xstart, ypos, xend, ypos);
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159 String nodeLabel = "";
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160 if (showDistances && node.dist > 0)
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162 nodeLabel = new Format("%-.2f").form(node.dist);
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168 nodeLabel = nodeLabel + " : ";
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170 nodeLabel = nodeLabel + String.valueOf(node.getBootstrap());
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172 if (!nodeLabel.equals(""))
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174 g.drawString(nodeLabel, xstart+2, ypos - 2);
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177 String name = (markPlaceholders && node.isPlaceholder()) ?
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178 (PLACEHOLDER + node.getName()) : node.getName();
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179 FontMetrics fm = g.getFontMetrics(font);
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180 int charWidth = fm.stringWidth(name) + 3;
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181 int charHeight = fm.getHeight();
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183 Rectangle rect = new Rectangle(xend + 10, ypos - charHeight,
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184 charWidth, charHeight);
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186 nameHash.put( (SequenceI) node.element(), rect);
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188 // Colour selected leaves differently
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189 SequenceGroup selected = av.getSelectionGroup();
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190 if (selected != null &&
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191 selected.getSequences(false).contains( (SequenceI) node.element()))
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193 g.setColor(Color.gray);
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195 g.fillRect(xend + 10, ypos - charHeight + 3, charWidth, charHeight);
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196 g.setColor(Color.white);
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198 g.drawString(name, xend + 10, ypos);
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199 g.setColor(Color.black);
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203 drawNode(g, (SequenceNode) node.left(), chunk, scale, width, offx, offy);
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204 drawNode(g, (SequenceNode) node.right(), chunk, scale, width, offx, offy);
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206 float height = node.height;
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207 float dist = node.dist;
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209 int xstart = (int) ( (height - dist) * scale) + offx;
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210 int xend = (int) (height * scale) + offx;
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211 int ypos = (int) (node.ycount * chunk) + offy;
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213 g.setColor( ( (SequenceNode) node).color.darker());
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215 // Draw horizontal line
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216 g.drawLine(xstart, ypos, xend, ypos);
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217 g.fillRect(xend - 2, ypos - 2, 4, 4);
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219 int ystart = (int) ( ( (SequenceNode) node.left()).ycount * chunk) + offy;
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220 int yend = (int) ( ( (SequenceNode) node.right()).ycount * chunk) + offy;
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222 Rectangle pos = new Rectangle(xend - 2, ypos - 2, 5, 5);
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223 nodeHash.put(node, pos);
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225 g.drawLine( (int) (height * scale) + offx, ystart,
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226 (int) (height * scale) + offx, yend);
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228 if (showDistances && node.dist > 0)
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230 g.drawString(new Format("%-.2f").form(node.dist), xstart+2, ypos - 2);
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236 public Object findElement(int x, int y)
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238 Enumeration keys = nameHash.keys();
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240 while (keys.hasMoreElements())
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242 Object ob = keys.nextElement();
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243 Rectangle rect = (Rectangle) nameHash.get(ob);
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245 if (x >= rect.x && x <= (rect.x + rect.width) &&
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246 y >= rect.y && y <= (rect.y + rect.height))
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251 keys = nodeHash.keys();
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253 while (keys.hasMoreElements())
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255 Object ob = keys.nextElement();
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256 Rectangle rect = (Rectangle) nodeHash.get(ob);
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258 if (x >= rect.x && x <= (rect.x + rect.width) &&
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259 y >= rect.y && y <= (rect.y + rect.height))
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268 public void pickNodes(Rectangle pickBox)
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270 int width = getSize().width;
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271 int height = getSize().height;
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273 SequenceNode top = tree.getTopNode();
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275 float wscale = (float) (width * .8 - offx * 2) / tree.getMaxHeight()
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277 if (top.count == 0)
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279 top.count = ( (SequenceNode) top.left()).count +
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280 ( (SequenceNode) top.right()).count;
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282 float chunk = (float) (height - offy) / top.count;
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284 pickNode(pickBox, top, chunk, wscale, width, offx, offy);
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287 public void pickNode(Rectangle pickBox, SequenceNode node, float chunk,
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288 float scale, int width, int offx, int offy)
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295 if (node.left() == null && node.right() == null)
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297 float height = node.height;
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298 //float dist = node.dist;
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300 //int xstart = (int) ( (height - dist) * scale) + offx;
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301 int xend = (int) (height * scale) + offx;
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303 int ypos = (int) (node.ycount * chunk) + offy;
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305 if (pickBox.contains(new Point(xend, ypos)))
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307 if (node.element() instanceof SequenceI)
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309 SequenceI seq = (SequenceI) node.element();
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310 SequenceGroup sg = av.getSelectionGroup();
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313 sg.addOrRemove(seq, true);
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320 pickNode(pickBox, (SequenceNode) node.left(), chunk, scale, width, offx,
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322 pickNode(pickBox, (SequenceNode) node.right(), chunk, scale, width, offx,
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327 public void setColor(SequenceNode node, Color c)
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334 if (node.left() == null && node.right() == null)
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338 if (node.element() instanceof SequenceI)
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340 ( (SequenceI) node.element()).setColor(c);
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346 setColor( (SequenceNode) node.left(), c);
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347 setColor( (SequenceNode) node.right(), c);
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351 public void paint(Graphics g)
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360 FontMetrics fm = g.getFontMetrics(font);
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362 if (nameHash.size() == 0)
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369 scrollPane.getSize().height > fm.getHeight() * nameHash.size() + offy))
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371 draw(g, scrollPane.getSize().width, scrollPane.getSize().height);
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375 setSize(new Dimension(scrollPane.getSize().width,
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376 fm.getHeight() * nameHash.size()));
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377 draw(g, scrollPane.getSize().width, fm.getHeight() * nameHash.size());
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380 scrollPane.validate();
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384 public void draw(Graphics g, int width, int height)
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386 offy = font.getSize()+10;
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388 g.setColor(Color.white);
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389 g.fillRect(0, 0, width, height);
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391 labelLength = g.getFontMetrics(font).stringWidth(longestName) + 20; //20 allows for scrollbar
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393 float wscale = (float) (width - labelLength - offx * 2) / tree.getMaxHeight();
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395 SequenceNode top = tree.getTopNode();
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397 if (top.count == 0)
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399 top.count = ( (SequenceNode) top.left()).count +
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400 ( (SequenceNode) top.right()).count;
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402 float chunk = (float) (height - offy) / top.count;
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404 drawNode(g, tree.getTopNode(), chunk, wscale, width, offx, offy);
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406 if (threshold != 0)
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408 if (av.getCurrentTree() == tree)
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410 g.setColor(Color.red);
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414 g.setColor(Color.gray);
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417 int x = (int) (threshold *
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418 (float) (getSize().width - labelLength - 2 * offx) + offx);
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420 g.drawLine(x, 0, x, getSize().height);
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425 public void mouseReleased(MouseEvent e)
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428 public void mouseEntered(MouseEvent e)
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431 public void mouseExited(MouseEvent e)
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434 public void mouseClicked(MouseEvent e)
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438 public void mousePressed(MouseEvent e)
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440 av.setCurrentTree(tree);
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445 Object ob = findElement(x, y);
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447 if (ob instanceof SequenceI)
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449 TreeSelectionChanged( (Sequence) ob);
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454 else if (ob instanceof SequenceNode)
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456 SequenceNode tmpnode = (SequenceNode) ob;
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457 tree.swapNodes(tmpnode);
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458 tree.reCount(tree.getTopNode());
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459 tree.findHeight(tree.getTopNode());
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465 if (tree.getMaxHeight() != 0)
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467 threshold = (float) (x - offx) /
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468 (float) (getSize().width - labelLength - 2 * offx);
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470 tree.getGroups().removeAllElements();
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471 tree.groupNodes(tree.getTopNode(), threshold);
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472 setColor(tree.getTopNode(), Color.black);
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474 av.setSelectionGroup(null);
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475 av.alignment.deleteAllGroups();
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477 for (int i = 0; i < tree.getGroups().size(); i++)
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480 Color col = new Color( (int) (Math.random() * 255),
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481 (int) (Math.random() * 255),
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482 (int) (Math.random() * 255));
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483 setColor( (SequenceNode) tree.getGroups().elementAt(i), col.brighter());
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485 Vector l = tree.findLeaves( (SequenceNode) tree.getGroups().elementAt(
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488 Vector sequences = new Vector();
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489 for (int j = 0; j < l.size(); j++)
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491 SequenceI s1 = (SequenceI) ( (SequenceNode) l.elementAt(j)).element();
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492 if(!sequences.contains(s1))
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493 sequences.addElement(s1);
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496 ColourSchemeI cs = null;
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498 if (av.getGlobalColourScheme() != null)
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500 if (av.getGlobalColourScheme() instanceof UserColourScheme)
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502 cs = new UserColourScheme(
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503 ( (UserColourScheme) av.getGlobalColourScheme()).getColours());
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507 cs = ColourSchemeProperty.getColour(sequences,
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508 av.alignment.getWidth(),
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509 ColourSchemeProperty.getColourName(
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510 av.getGlobalColourScheme()));
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512 cs.setThreshold(av.getGlobalColourScheme().getThreshold(),
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513 av.getIgnoreGapsConsensus());
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516 SequenceGroup sg = new SequenceGroup(sequences, "TreeGroup",
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518 false, 0, av.alignment.getWidth()-1);
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521 if ( av.getGlobalColourScheme()!=null
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522 && av.getGlobalColourScheme().conservationApplied())
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524 Conservation c = new Conservation("Group",
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525 ResidueProperties.propHash, 3,
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526 sg.getSequences(false),
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531 c.verdict(false, av.ConsPercGaps);
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532 cs.setConservation(c);
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538 av.alignment.addGroup(sg);
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544 PaintRefresher.Refresh(this, av.alignment);
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549 public void setShowDistances(boolean state)
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551 this.showDistances = state;
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555 public void setShowBootstrap(boolean state)
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557 this.showBootstrap = state;
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561 public void setMarkPlaceholders(boolean state)
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563 this.markPlaceholders = state;
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