1 package jalview.appletgui;
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3 import java.awt.event.*;
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6 public class OverviewPanel extends Panel implements Runnable
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14 public int width, sequencesHeight;
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16 int boxX=-1, boxY=-1, boxWidth=-1, boxHeight=-1;
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18 boolean resizing = false;
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22 public OverviewPanel(AlignmentPanel ap)
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27 nullFrame = new Frame();
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28 nullFrame.addNotify();
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30 // scale the initial size of overviewpanel to shape of alignment
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31 float initialScale = (float)av.alignment.getWidth()/(float)av.alignment.getHeight();
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32 if(av.alignment.getWidth() > av.alignment.getHeight())
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36 sequencesHeight = (int)(400f/initialScale);
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41 width = (int)(400f*initialScale);
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42 sequencesHeight = 300;
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47 setSize (new Dimension(width, sequencesHeight+graphHeight));
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48 addComponentListener(new ComponentAdapter()
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51 public void componentResized(ComponentEvent evt)
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53 if( getSize().width!=width || getSize().height!=sequencesHeight+graphHeight)
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55 updateOverviewImage();
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60 addMouseMotionListener(new MouseMotionAdapter()
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62 public void mouseDragged(MouseEvent evt)
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63 { doMouseDragged(evt);}
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66 addMouseListener(new MouseAdapter()
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68 public void mousePressed(MouseEvent evt)
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69 { doMousePressed(evt);}
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70 public void mouseReleased(MouseEvent evt)
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71 { doMouseReleased(evt);}
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74 updateOverviewImage();
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78 public void doMousePressed(MouseEvent evt)
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87 public void doMouseReleased(MouseEvent evt)
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93 ap.setScrollValues( (int)(boxX/scalew/av.getCharWidth()),
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94 (int)(boxY/scaleh/av.getCharHeight()) );
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97 public void doMouseDragged(MouseEvent evt)
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103 ap.setScrollValues( (int)(boxX/scalew/av.getCharWidth()),
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104 (int)(boxY/scaleh/av.getCharHeight()) );
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114 if (boxY > sequencesHeight - boxHeight)
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115 boxY = sequencesHeight - boxHeight+1;
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120 if (boxX > width - boxWidth)
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121 boxX = width - boxWidth;
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124 public void updateOverviewImage()
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132 Thread thread = new Thread(this);
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140 int alwidth = av.alignment.getWidth();
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141 int alheight = av.alignment.getHeight();
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143 if(getSize().width>0 && getSize().height>0)
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145 width = getSize().width;
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146 sequencesHeight = getSize().height - graphHeight;
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149 setSize (new Dimension(width, sequencesHeight+graphHeight));
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151 int fullsizeWidth = alwidth * av.getCharWidth();
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152 int fullsizeHeight = alheight * av.getCharHeight();
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154 scalew = (float) width / (float) fullsizeWidth;
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155 scaleh = (float) sequencesHeight / (float) fullsizeHeight;
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157 miniMe = nullFrame.createImage(width, sequencesHeight + graphHeight);
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159 Graphics mg = miniMe.getGraphics();
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160 Image consensus = nullFrame.createImage(fullsizeWidth, 60);
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161 Graphics g = consensus.getGraphics();
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162 ap.annotationPanel.drawGraph(g, av.conservation, fullsizeWidth, 60);
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163 mg.drawImage(consensus, 0, sequencesHeight, width,
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164 sequencesHeight + graphHeight, 0, 0, fullsizeWidth, 60, this);
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167 boolean oldRenderGaps = av.renderGaps;
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169 // We'll have to draw the full size alignment in chunks, as an image of the
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170 // whole alignment requires too much memory
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172 // Max size depends on the font size, the following is a
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173 // guess at a size which works
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174 int maxSize = 2000 / av.getFont().getSize();
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176 int blockx=0, blocky=0, blockw=0, blockh=0, eRes=0, eSeq=0;
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178 av.setRenderGaps(false);
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179 for(int sRes=0, chunkx=0; sRes<alwidth; sRes+=maxSize, chunkx++)
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186 for(int sSeq=0, chunky=0; sSeq<alheight; sSeq+=maxSize, chunky++)
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193 blockx = (int)((float)sRes/(float)alwidth * width);
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195 block = nullFrame.createImage((eRes-sRes)*av.charWidth, (eSeq-sSeq)*av.charHeight);
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196 g = block.getGraphics();
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198 ap.seqPanel.seqCanvas.drawPanel(g, sRes, eRes, sSeq, eSeq, sRes, sSeq, 0);
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200 blockh = (int)( (float)(eSeq-sSeq)/(float)alheight * sequencesHeight )+1 ;
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201 blockw = (int)( (float)(eRes-sRes)/(float)alwidth * width )+1;
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203 blocky += (int) ((float)sSeq/(float)alheight* sequencesHeight);
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205 mg.drawImage(block, blockx,
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210 0, 0, block.getWidth(null),block.getHeight(null), this);
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217 }catch(OutOfMemoryError error)
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218 { System.err.println("Out of memory when trying to calculate the overview window image!"); }
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221 av.setRenderGaps(oldRenderGaps);
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227 public void setBoxPosition()
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229 boxX = (int) (av.getStartRes() * av.getCharWidth() * scalew);
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230 boxY = (int) (av.getStartSeq() * av.getCharHeight() * scaleh);
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231 boxWidth = (int) ((av.getEndRes()-av.getStartRes()+1)* av.getCharWidth() * scalew) ;
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232 boxHeight = (int) (av.getEndSeq() * av.getCharHeight() * scaleh) - boxY;
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236 public void update(Graphics g)
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241 public void paint(Graphics g)
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245 g.setColor(Color.white);
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246 g.fillRect(0, 0, getSize().width, getSize().height);
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247 g.setColor(Color.black);
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249 g.setFont(new Font("Verdana", Font.BOLD, 15));
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250 g.drawString("Recalculating", 5, sequencesHeight/2);
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251 g.drawString("Overview.....", 5, sequencesHeight/2 +20);
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256 g.drawImage(miniMe, 0,0,this);
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258 g.setColor(Color.red);
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259 g.drawRect(boxX, boxY, boxWidth, boxHeight);
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260 g.drawRect(boxX+1, boxY+1, boxWidth-2, boxHeight-2);
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