4 import jalview.analysis.*;
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5 import jalview.datamodel.*;
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6 import jalview.util.*;
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7 import jalview.schemes.*;
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8 import javax.swing.*;
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10 import java.awt.event.*;
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12 import java.awt.print.*;
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14 public class TreeCanvas extends JPanel implements MouseListener, Runnable, Printable
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17 JScrollPane scrollPane;
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23 boolean showDistances = false;
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24 boolean showBootstrap = false;
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34 //RubberbandRectangle rubberband;
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39 Hashtable nameHash = new Hashtable();
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40 Hashtable nodeHash = new Hashtable();
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42 public TreeCanvas(AlignViewport av, NJTree tree, JScrollPane scroller, String label)
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46 selected = av.getSelection();
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47 scrollPane = scroller;
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48 addMouseListener(this);
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49 tree.findHeight(tree.getTopNode());
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50 longestName = label;
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52 PaintRefresher.Register(this);
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54 public void TreeSelectionChanged(Sequence sequence)
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56 selected = av.getSelection();
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58 if (selected.contains(sequence))
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59 selected.removeElement(sequence);
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61 selected.addElement(sequence);
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63 setSelected(selected);
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64 PaintRefresher.Refresh(this);
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69 public void setSelected(Selection selected)
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71 this.selected = selected;
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74 public void setTree(NJTree tree) {
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76 tree.findHeight(tree.getTopNode());
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79 public void drawNode(Graphics g,SequenceNode node, float chunk, float scale, int width,int offx, int offy) {
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84 if (node.left() == null && node.right() == null) {
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85 // Drawing leaf node
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87 float height = node.height;
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88 float dist = node.dist;
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90 int xstart = (int)((height-dist)*scale) + offx;
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91 int xend = (int)(height*scale) + offx;
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93 int ypos = (int)(node.ycount * chunk) + offy;
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95 if (node.element() instanceof SequenceI)
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97 if ( ( (SequenceI) ( (SequenceNode) node).element()).getColor() == Color.white)
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99 g.setColor(Color.black);
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102 g.setColor( ( (SequenceI) ( (SequenceNode) node).element()).getColor().
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107 g.setColor(Color.black);
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110 // Draw horizontal line
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111 g.drawLine(xstart,ypos,xend,ypos);
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113 String nodeLabel = "";
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114 if (showDistances && node.dist > 0) {
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115 nodeLabel = new Format("%5.2f").form(node.dist);
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117 if (showBootstrap) {
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118 if (showDistances) {
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119 nodeLabel = nodeLabel + " : ";
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121 nodeLabel = nodeLabel + String.valueOf(node.getBootstrap());
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123 if (! nodeLabel.equals("")) {
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124 g.drawString(nodeLabel,xstart,ypos - 10);
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127 // Colour selected leaves differently
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128 String name = node.getName();
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129 FontMetrics fm = g.getFontMetrics(font);
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130 int charWidth = fm.stringWidth(node.getName()) + 3;
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131 int charHeight = fm.getHeight();
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133 Rectangle rect = new Rectangle(xend+20,ypos-charHeight,
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134 charWidth,charHeight);
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136 nameHash.put((SequenceI)node.element(),rect);
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138 if (selected.contains((SequenceI)node.element())) {
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139 g.setColor(Color.gray);
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141 g.fillRect(xend + 10, ypos - charHeight + 3,charWidth,charHeight);
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142 g.setColor(Color.white);
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144 g.drawString(node.getName(),xend+10,ypos);
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145 g.setColor(Color.black);
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147 drawNode(g,(SequenceNode)node.left(), chunk,scale,width,offx,offy);
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148 drawNode(g,(SequenceNode)node.right(),chunk,scale,width,offx,offy);
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150 float height = node.height;
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151 float dist = node.dist;
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153 int xstart = (int)((height-dist)*scale) + offx;
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154 int xend = (int)(height *scale) + offx;
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155 int ypos = (int)(node.ycount *chunk) + offy;
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157 g.setColor(((SequenceNode)node).color.darker());
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159 // Draw horizontal line
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160 g.drawLine(xstart,ypos,xend,ypos);
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161 g.fillRect(xend-2, ypos-2, 4,4);
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163 int ystart = (int)(((SequenceNode)node.left()) .ycount * chunk) + offy;
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164 int yend = (int)(((SequenceNode)node.right()).ycount * chunk) + offy;
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166 Rectangle pos = new Rectangle(xend-2,ypos-2,5,5);
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167 nodeHash.put(node,pos);
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169 g.drawLine((int)(height*scale) + offx, ystart,
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170 (int)(height*scale) + offx, yend);
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172 if (showDistances && node.dist > 0) {
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173 g.drawString(new Format("%5.2f").form(node.dist),xstart,ypos - 5);
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178 public Object findElement(int x, int y) {
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179 Enumeration keys = nameHash.keys();
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181 while (keys.hasMoreElements()) {
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182 Object ob = keys.nextElement();
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183 Rectangle rect = (Rectangle)nameHash.get(ob);
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185 if (x >= rect.x && x <= (rect.x + rect.width) &&
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186 y >= rect.y && y <= (rect.y + rect.height)) {
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190 keys = nodeHash.keys();
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192 while (keys.hasMoreElements()) {
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193 Object ob = keys.nextElement();
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194 Rectangle rect = (Rectangle)nodeHash.get(ob);
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196 if (x >= rect.x && x <= (rect.x + rect.width) &&
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197 y >= rect.y && y <= (rect.y + rect.height)) {
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205 public void pickNodes(Rectangle pickBox, Selection sel) {
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206 int width = getWidth();
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207 int height = getHeight();
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209 SequenceNode top = tree.getTopNode();
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211 float wscale = (float)(width*.8-offx*2)/tree.getMaxHeight()
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213 if (top.count == 0) {
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214 top.count = ((SequenceNode)top.left()).count + ((SequenceNode)top.right()).count ;
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216 float chunk = (float)(height-offy*2)/top.count;
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218 pickNode(pickBox,sel,top,chunk,wscale,width,offx,offy);
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221 public void pickNode(Rectangle pickBox, Selection sel, SequenceNode node, float chunk, float scale, int width,int offx, int offy) {
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222 if (node == null) {
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226 if (node.left() == null && node.right() == null) {
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227 float height = node.height;
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228 float dist = node.dist;
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230 int xstart = (int)((height-dist)*scale) + offx;
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231 int xend = (int)(height*scale) + offx;
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233 int ypos = (int)(node.ycount * chunk) + offy;
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235 if (pickBox.contains(new Point(xend,ypos))) {
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236 if (node.element() instanceof SequenceI) {
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237 SequenceI seq = (SequenceI)node.element();
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238 if (sel.contains(seq)) {
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239 sel.removeElement(seq);
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241 sel.addElement(seq);
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246 pickNode(pickBox,sel,(SequenceNode)node.left(), chunk,scale,width,offx,offy);
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247 pickNode(pickBox,sel,(SequenceNode)node.right(),chunk,scale,width,offx,offy);
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251 public void setColor(SequenceNode node, Color c)
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256 if (node.left() == null && node.right() == null)
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260 if (node.element() instanceof SequenceI)
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261 ((SequenceI)node.element()).setColor(c);
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265 setColor((SequenceNode)node.left(),c);
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266 setColor((SequenceNode)node.right(),c);
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270 void startPrinting()
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272 Thread thread = new Thread(this);
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276 // put printing in a thread to avoid painting problems
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279 PrinterJob printJob = PrinterJob.getPrinterJob();
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280 PageFormat pf = printJob.pageDialog(printJob.defaultPage());
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281 printJob.setPrintable(this, pf);
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282 if (printJob.printDialog())
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288 catch (Exception PrintException)
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290 PrintException.printStackTrace();
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296 public int print(Graphics pg, PageFormat pf, int pi) throws PrinterException
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298 font = new Font("Verdana",Font.PLAIN,fontSize);
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300 FontMetrics fm = pg.getFontMetrics(font);
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302 pg.translate((int)pf.getImageableX(), (int)pf.getImageableY());
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304 int pwidth = (int) pf.getImageableWidth();
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305 int pheight = (int) pf.getImageableHeight();
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307 // adjust pheight to row height
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308 pheight -= (pheight%fm.getHeight());
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309 pg.setClip(0,0, pwidth, pheight);
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311 int noPages = (fm.getHeight() * nameHash.size()) / pheight;
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314 return Printable.NO_SUCH_PAGE;
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316 pg.translate(0, -pheight*pi );
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317 draw(pg, pwidth, fm.getHeight() * nameHash.size());
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319 return Printable.PAGE_EXISTS;
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323 public void paintComponent(Graphics g)
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325 font = new Font("Verdana",Font.PLAIN,fontSize);
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328 FontMetrics fm = g.getFontMetrics(font);
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330 if(nameHash.size()==0)
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334 if( scrollPane.getHeight() > fm.getHeight() * nameHash.size()+offy)
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336 draw(g,scrollPane.getWidth(),scrollPane.getHeight());
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337 setPreferredSize(new Dimension(scrollPane.getWidth(), scrollPane.getHeight()));
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341 setPreferredSize(new Dimension(getWidth(), fm.getHeight() * nameHash.size()));
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342 draw( g,getWidth(), fm.getHeight() * nameHash.size());
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346 if (threshold != 0)
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348 g.setColor(Color.red);
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349 g.drawLine(threshold,0,threshold,getHeight());
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352 scrollPane.revalidate();
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354 public int getFontSize() {
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357 public void setFontSize(int fontSize) {
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358 this.fontSize = fontSize;
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361 public void draw(Graphics g, int width, int height) {
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362 g.setColor(Color.white);
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363 g.fillRect(0,0,width,height);
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366 labelLength = g.getFontMetrics(font).stringWidth(longestName)+ 20;//20 allows for scrollbar
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368 float wscale =(float)(width - labelLength -offx*2)/tree.getMaxHeight();
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370 SequenceNode top = tree.getTopNode();
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372 if (top.count == 0) {
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373 top.count = ((SequenceNode)top.left()).count + ((SequenceNode)top.right()).count ;
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375 float chunk = (float)(height-offy*2)/top.count ;
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377 drawNode(g,tree.getTopNode(),chunk,wscale,width,offx,offy);
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380 public void mouseReleased(MouseEvent e) { }
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381 public void mouseEntered(MouseEvent e) { }
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382 public void mouseExited(MouseEvent e) { }
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383 public void mouseClicked(MouseEvent e) {
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386 public void mousePressed(MouseEvent e) {
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390 Object ob = findElement(x,y);
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392 if (ob instanceof SequenceI)
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394 TreeSelectionChanged((Sequence)ob);
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398 } else if (ob instanceof SequenceNode) {
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399 SequenceNode tmpnode = (SequenceNode)ob;
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400 tree.swapNodes(tmpnode);
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401 tree.reCount(tree.getTopNode());
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402 tree.findHeight(tree.getTopNode());
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406 if (tree.getMaxHeight() != 0) {
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407 float fthreshold = (float)(x - offx)/(float)(getWidth()-labelLength - 2*offx);
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408 this.threshold = x;
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409 tree.getGroups().removeAllElements();
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410 tree.groupNodes(tree.getTopNode(),fthreshold);
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411 setColor(tree.getTopNode(),Color.black);
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414 av.alignment.deleteAllGroups();
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416 for (int i=0; i < tree.getGroups().size(); i++)
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419 Color col = new Color((int)(Math.random()*255),
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420 (int)(Math.random()*255),
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421 (int)(Math.random()*255));
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422 setColor((SequenceNode)tree.getGroups().elementAt(i),col.brighter());
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424 Vector l = tree.findLeaves((SequenceNode)tree.getGroups().elementAt(i),new Vector());
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425 SequenceGroup sg = null;
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426 for (int j = 0; j < l.size(); j++)
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428 SequenceNode sn = (SequenceNode) l.elementAt(j);
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430 sg = new SequenceGroup("TreeGroup", av.getGlobalColourScheme(), true, true,false,0,av.alignment.getWidth());
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432 sg.addSequence( (Sequence) sn.element());
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435 if (av.getGlobalColourScheme() instanceof ConservationColourScheme)
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437 ConservationColourScheme ccs = (ConservationColourScheme) av.getGlobalColourScheme();
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438 Conservation c = new Conservation("Group",
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439 ResidueProperties.propHash, 3,
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440 sg.sequences, sg.getStartRes(),
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444 c.verdict(false, 100);
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445 ccs = new ConservationColourScheme(c, ccs.cs);
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453 av.alignment.addGroup(sg);
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459 PaintRefresher.Refresh(this);
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464 public void setShowDistances(boolean state) {
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465 this.showDistances = state;
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469 public void setShowBootstrap(boolean state) {
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470 this.showBootstrap = state;
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