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.gui;
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22 import jalview.datamodel.*;
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24 import java.awt.event.*;
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25 import javax.swing.*;
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27 public class ScalePanel extends JPanel
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30 protected int offy = 4;
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33 protected AlignViewport av;
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36 boolean stretchingGroup = false;
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38 public ScalePanel(AlignViewport av, AlignmentPanel ap)
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43 addMouseListener(new MouseAdapter()
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45 public void mousePressed(MouseEvent evt)
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47 doMousePressed(evt);
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49 public void mouseReleased(MouseEvent evt)
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51 doMouseReleased(evt);
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55 addMouseMotionListener(new MouseMotionAdapter()
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57 public void mouseDragged(MouseEvent evt)
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59 doMouseDragged(evt);
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66 public void doMousePressed(MouseEvent evt) {
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68 int res = x/av.getCharWidth() + av.getStartRes();
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69 SequenceGroup sg = null;
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71 if (av.getColumnSelection().contains(res))
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72 av.getColumnSelection().removeElement(res);
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75 av.getColumnSelection().addElement(res);
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77 sg = new SequenceGroup();
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78 for (int i = 0; i < av.alignment.getSequences().size(); i++)
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79 sg.addSequence(av.alignment.getSequenceAt(i));
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81 sg.setStartRes(res);
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84 ap.annotationPanel.addEditableColumn(res);
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86 av.setSelectionGroup(sg);
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90 public void doMouseReleased(MouseEvent evt)
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92 if(!stretchingGroup)
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96 int res = x/av.getCharWidth() + av.getStartRes();
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98 if (! av.getColumnSelection().contains(res))
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99 av.getColumnSelection().addElement(res);
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101 SequenceGroup sg = av.getSelectionGroup();
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103 if(res>sg.getStartRes())
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105 else if(res<sg.getStartRes())
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106 sg.setStartRes(res);
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108 stretchingGroup = false;
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112 public void doMouseDragged(MouseEvent evt)
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114 int x = evt.getX();
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115 int res = x/av.getCharWidth() + av.getStartRes();
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117 SequenceGroup sg = av.getSelectionGroup();
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120 stretchingGroup = true;
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121 if (res > sg.getStartRes())
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123 else if (res < sg.getStartRes())
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124 sg.setStartRes(res);
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126 ap.annotationPanel.addEditableColumn(res);
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131 public void paintComponent(Graphics g)
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133 drawScale(g, av.getStartRes(), av.getEndRes(), getWidth(), getHeight());
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136 // scalewidth will normally be screenwidth,
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137 public void drawScale(Graphics g, int startx, int endx, int width, int height)
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139 Graphics2D gg = (Graphics2D)g;
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140 gg.setFont(av.getFont());
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141 gg.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_ON);
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143 //Fill in the background
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144 gg.setColor(Color.white);
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145 gg.fillRect(0,0,width, height);
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146 gg.setColor(Color.black);
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149 //Fill the selected columns
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150 ColumnSelection cs = av.getColumnSelection();
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151 gg.setColor(new Color(220,0,0));
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152 for (int i=0; i<cs.size(); i++)
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154 int sel = cs.columnAt(i);
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155 if ( sel >= startx && sel <= endx)
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156 gg.fillRect((sel-startx)*av.charWidth,0,av.charWidth,getHeight());
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160 // Draw the scale numbers
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161 gg.setColor(Color.black);
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162 int scalestartx = (startx/10) * 10;
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164 FontMetrics fm = gg.getFontMetrics(av.getFont());
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165 int y = av.charHeight -fm.getDescent();
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167 if(scalestartx%10==0)
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170 for (int i=scalestartx;i < endx; i+= 5)
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174 gg.drawString(String.valueOf(i), (i - startx - 1) * av.charWidth, y);
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175 gg.drawLine( (int) ( (i - startx - 1) * av.charWidth + av.charWidth / 2),
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177 (int) ( (i - startx - 1) * av.charWidth + av.charWidth / 2),
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178 y+fm.getDescent()*2);
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181 gg.drawLine( (int) ( (i - startx - 1) * av.charWidth + av.charWidth / 2),
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183 (int) ( (i - startx - 1) * av.charWidth + av.charWidth / 2),
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184 y+fm.getDescent()*2);
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