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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19 package jalview.gui;
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22 import java.awt.event.*;
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23 import javax.swing.*;
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25 import jalview.datamodel.*;
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27 public class ScalePanel
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30 protected int offy = 4;
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32 protected AlignViewport av;
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34 boolean stretchingGroup = false;
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36 public ScalePanel(AlignViewport av, AlignmentPanel ap)
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41 addMouseListener(new MouseAdapter()
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43 public void mousePressed(MouseEvent evt)
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45 doMousePressed(evt);
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48 public void mouseReleased(MouseEvent evt)
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50 doMouseReleased(evt);
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53 addMouseMotionListener(new MouseMotionAdapter()
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55 public void mouseDragged(MouseEvent evt)
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57 doMouseDragged(evt);
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62 public void doMousePressed(MouseEvent evt)
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65 int res = (x / av.getCharWidth()) + av.getStartRes();
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66 SequenceGroup sg = null;
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68 if (av.getColumnSelection().contains(res))
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70 av.getColumnSelection().removeElement(res);
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74 av.getColumnSelection().addElement(res);
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76 sg = new SequenceGroup();
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78 for (int i = 0; i < av.alignment.getSequences().size(); i++)
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80 sg.addSequence(av.alignment.getSequenceAt(i), false);
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83 sg.setStartRes(res);
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86 ap.annotationPanel.addEditableColumn(res);
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89 av.setSelectionGroup(sg);
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93 public void doMouseReleased(MouseEvent evt)
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95 if (!stretchingGroup)
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100 int x = evt.getX();
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101 int res = (x / av.getCharWidth()) + av.getStartRes();
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103 if (!av.getColumnSelection().contains(res))
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105 av.getColumnSelection().addElement(res);
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108 SequenceGroup sg = av.getSelectionGroup();
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110 if (res > sg.getStartRes())
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114 else if (res < sg.getStartRes())
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116 sg.setStartRes(res);
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119 stretchingGroup = false;
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123 public void doMouseDragged(MouseEvent evt)
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125 int x = evt.getX();
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126 int res = (x / av.getCharWidth()) + av.getStartRes();
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128 SequenceGroup sg = av.getSelectionGroup();
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132 stretchingGroup = true;
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134 if (res > sg.getStartRes())
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138 else if (res < sg.getStartRes())
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140 sg.setStartRes(res);
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143 ap.annotationPanel.addEditableColumn(res);
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148 public void paintComponent(Graphics g)
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150 drawScale(g, av.getStartRes(), av.getEndRes(), getWidth(), getHeight());
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153 // scalewidth will normally be screenwidth,
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154 public void drawScale(Graphics g, int startx, int endx, int width,
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157 Graphics2D gg = (Graphics2D) g;
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158 gg.setFont(av.getFont());
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159 gg.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
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160 RenderingHints.VALUE_ANTIALIAS_ON);
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162 //Fill in the background
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163 gg.setColor(Color.white);
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164 gg.fillRect(0, 0, width, height);
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165 gg.setColor(Color.black);
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167 //Fill the selected columns
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168 ColumnSelection cs = av.getColumnSelection();
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169 gg.setColor(new Color(220, 0, 0));
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171 for (int i = 0; i < cs.size(); i++)
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173 int sel = cs.columnAt(i);
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175 if ( (sel >= startx) && (sel <= endx))
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177 gg.fillRect( (sel - startx) * av.charWidth, 0, av.charWidth,
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182 // Draw the scale numbers
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183 gg.setColor(Color.black);
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185 int scalestartx = (startx / 10) * 10;
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187 FontMetrics fm = gg.getFontMetrics(av.getFont());
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188 int y = av.charHeight - fm.getDescent();
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190 if ( (scalestartx % 10) == 0)
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195 for (int i = scalestartx; i < endx; i += 5)
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197 if ( (i % 10) == 0)
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199 gg.drawString(String.valueOf(i),
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200 (i - startx - 1) * av.charWidth, y);
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201 gg.drawLine( (int) ( ( (i - startx - 1) * av.charWidth) +
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202 (av.charWidth / 2)), y + 2,
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203 (int) ( ( (i - startx - 1) * av.charWidth) +
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204 (av.charWidth / 2)), y + (fm.getDescent() * 2));
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208 gg.drawLine( (int) ( ( (i - startx - 1) * av.charWidth) +
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209 (av.charWidth / 2)), y + fm.getDescent(),
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210 (int) ( ( (i - startx - 1) * av.charWidth) +
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211 (av.charWidth / 2)), y + (fm.getDescent() * 2));
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