4 import java.awt.Graphics2D.*;
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6 import javax.swing.*;
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7 import jalview.datamodel.*;
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8 import jalview.analysis.*;
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9 public class IdCanvas extends JPanel
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11 protected Image img;
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12 protected Graphics2D gg;
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14 protected int imgWidth;
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15 protected int imgHeight;
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17 protected AlignViewport av;
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19 public boolean paintFlag = false;
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20 protected boolean showScores = true;
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22 protected int maxIdLength = -1;
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23 protected String maxIdStr = null;
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25 public IdCanvas(AlignViewport av)
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27 setLayout(new BorderLayout());
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29 PaintRefresher.Register(this);
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32 public void drawIdString(Graphics g,SequenceI ds,int i, int starty, int ypos) {
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33 int charHeight = av.getCharHeight();
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35 if (av.getSelection().contains(ds)) {
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36 gg.setColor(Color.gray);
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37 gg.fillRect(0,AlignmentUtil.getPixelHeight(starty,i,charHeight)+ ypos,getWidth(),charHeight);
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38 gg.setColor(Color.white);
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40 gg.setColor(ds.getColor());
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41 gg.fillRect(0,AlignmentUtil.getPixelHeight(starty,i,charHeight)+ ypos,getWidth(),charHeight);
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42 gg.setColor(Color.black);
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45 String string = ds.getName() + "/" + ds.getStart() + "-" + ds.getEnd();
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47 gg.drawString(string,0,AlignmentUtil.getPixelHeight(starty,i,charHeight) + ypos + charHeight- (charHeight/5));
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51 public void paintComponent(Graphics g) {
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52 AlignmentI da = av.getAlignment();
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53 int charHeight = av.getCharHeight();
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54 Font f = av.getFont();
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57 imgWidth != getWidth() ||
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58 imgHeight != getHeight() ||
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59 paintFlag == true) {
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61 imgWidth = getWidth();
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62 imgHeight = getHeight();
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64 if (imgWidth <= 0 ) {
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67 if (imgHeight <= 0 ) {
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71 img = createImage(imgWidth,imgHeight);
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74 gg = (Graphics2D)img.getGraphics();
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75 gg.setColor(Color.white);
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76 gg.fillRect(0,0,imgWidth,imgHeight);
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85 //Fill in the background
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86 gg.setColor(Color.white);
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87 gg.fillRect(0,0,imgWidth,imgHeight);
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89 Color currentColor = Color.white;
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90 Color currentTextColor = Color.black;
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92 //Which ids are we printing
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93 int starty = av.getStartSeq();
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94 int endy = av.getEndSeq();
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98 if (av.getWrapAlignment())
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100 starty = starty%av.getChunkHeight();
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103 int rowstart = starty;
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106 ypos = 2*charHeight;
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107 else if (starty == 1)
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113 endy = starty + da.getHeight();
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115 if (endy > da.getHeight()) {
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116 endy = da.getHeight();
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119 for (int i = starty; i < endy; i++) {
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120 SequenceI s = da.getSequenceAt(i);
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121 drawIdString(gg,s,i,starty,ypos);
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123 if (rowstart == 0) {
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124 ypos = ypos + av.getChunkHeight();
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125 } else if (rowstart == 1) {
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126 ypos = ypos + av.getChunkHeight();
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128 ypos = ypos + av.getChunkHeight() - rowstart*charHeight;
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133 int chunkwidth = av.getChunkWidth();
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134 int startx = (int)(av.getEndSeq()/chunkwidth)*chunkwidth;
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135 int endx = startx + chunkwidth;
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138 while (ypos <= getHeight() && endx < da.getWidth()) {
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140 for (int i = starty; i < endy; i++) {
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141 SequenceI s = da.getSequenceAt(i);
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142 drawIdString(gg,s,i,starty,ypos);
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145 ypos += av.getChunkHeight();
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146 startx += chunkwidth;
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147 endx = startx + chunkwidth;
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149 if (endx > da.getWidth()) {
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150 endx = da.getWidth();
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155 if (endy > da.getHeight()) {
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156 endy = da.getHeight();
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162 //Now draw the id strings
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163 for (int i = starty; i < endy; i++)
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166 // Selected sequence colours
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167 if (av.getSelection().contains(da.getSequenceAt(i)))
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169 currentColor = Color.gray;
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170 currentTextColor = Color.black;
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174 currentColor = da.getSequenceAt(i).getColor();
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175 currentTextColor = Color.black;
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178 gg.setColor(currentColor);
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183 AlignmentUtil.getPixelHeight(starty,i,charHeight),
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187 gg.setColor(currentTextColor);
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189 String string = da.getSequenceAt(i).getDisplayId();
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191 gg.drawString(string,0,AlignmentUtil.getPixelHeight(starty,i,charHeight) + charHeight- (charHeight/5));
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195 g.drawImage(img,0,0,this);
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199 public Dimension getLabelWidth()
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202 FontMetrics fm = this.getGraphics().getFontMetrics(av.font);
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203 AlignmentI al = av.getAlignment();
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208 while (i < al.getHeight() && al.getSequenceAt(i) != null)
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210 SequenceI s = al.getSequenceAt(i);
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211 String str = s.getDisplayId();
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212 if (fm.stringWidth(str) > idWidth)
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213 idWidth = fm.stringWidth(str);
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217 return new Dimension(idWidth + 10,getHeight());
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220 public Dimension getPreferredSize()
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222 return getLabelWidth();
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