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.appletgui;
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23 import java.awt.event.*;
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25 import jalview.datamodel.*;
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27 public class ScalePanel
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31 protected int offy = 4;
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34 protected AlignViewport av;
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37 boolean stretchingGroup = false;
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39 public ScalePanel(AlignViewport av, AlignmentPanel ap)
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45 addMouseListener(new MouseAdapter()
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47 public void mousePressed(MouseEvent evt)
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49 doMousePressed(evt);
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52 public void mouseReleased(MouseEvent evt)
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54 doMouseReleased(evt);
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58 addMouseMotionListener(new MouseMotionAdapter()
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60 public void mouseDragged(MouseEvent evt)
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62 doMouseDragged(evt);
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68 public void doMousePressed(MouseEvent evt)
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71 int res = x / av.getCharWidth() + av.getStartRes();
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72 SequenceGroup sg = null;
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74 if (av.getColumnSelection().contains(res))
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76 av.getColumnSelection().removeElement(res);
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80 av.getColumnSelection().addElement(res);
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82 sg = new SequenceGroup();
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83 for (int i = 0; i < av.alignment.getSequences().size(); i++)
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85 sg.addSequence(av.alignment.getSequenceAt(i), false);
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88 sg.setStartRes(res);
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91 ap.annotationPanel.addEditableColumn(res);
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93 av.setSelectionGroup(sg);
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97 public void doMouseReleased(MouseEvent evt)
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99 if (!stretchingGroup)
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104 int x = evt.getX();
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105 int res = x / av.getCharWidth() + av.getStartRes();
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107 if (!av.getColumnSelection().contains(res))
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109 av.getColumnSelection().addElement(res);
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112 SequenceGroup sg = av.getSelectionGroup();
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114 if (res > sg.getStartRes())
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118 else if (res < sg.getStartRes())
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120 sg.setStartRes(res);
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123 stretchingGroup = false;
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127 public void doMouseDragged(MouseEvent evt)
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129 int x = evt.getX();
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130 int res = x / av.getCharWidth() + av.getStartRes();
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132 SequenceGroup sg = av.getSelectionGroup();
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135 stretchingGroup = true;
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136 if (res > sg.getStartRes())
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140 else if (res < sg.getStartRes())
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142 sg.setStartRes(res);
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145 ap.annotationPanel.addEditableColumn(res);
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150 public void update(Graphics g)
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155 public void paint(Graphics g)
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157 drawScale(g, av.getStartRes(), av.getEndRes(), getSize().width,
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161 // scalewidth will normally be screenwidth,
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162 public void drawScale(Graphics gg, int startx, int endx, int width,
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165 if (!jalview.bin.JalviewLite.AWT1)
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167 MyGraphics.AntiAlias(gg);
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170 gg.setFont(av.getFont());
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172 //Fill in the background
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173 gg.setColor(Color.white);
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174 gg.fillRect(0, 0, width, height);
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175 gg.setColor(Color.black);
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177 //Fill the selected columns
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178 ColumnSelection cs = av.getColumnSelection();
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179 gg.setColor(new Color(220, 0, 0));
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180 for (int i = 0; i < cs.size(); i++)
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182 int sel = cs.columnAt(i);
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183 if (sel >= startx && sel <= endx)
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185 gg.fillRect( (sel - startx) * av.charWidth, 0, av.charWidth,
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190 // Draw the scale numbers
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191 gg.setColor(Color.black);
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192 int scalestartx = (startx / 10) * 10;
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194 FontMetrics fm = gg.getFontMetrics(av.getFont());
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195 int y = av.charHeight - fm.getDescent();
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197 if (scalestartx % 10 == 0)
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202 for (int i = scalestartx; i < endx; i += 5)
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206 gg.drawString(String.valueOf(i), (i - startx - 1) * av.charWidth, y);
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207 gg.drawLine( (int) ( (i - startx - 1) * av.charWidth + av.charWidth / 2),
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209 (int) ( (i - startx - 1) * av.charWidth + av.charWidth / 2),
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210 y + fm.getDescent() * 2);
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214 gg.drawLine( (int) ( (i - startx - 1) * av.charWidth + av.charWidth / 2),
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215 y + fm.getDescent(),
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216 (int) ( (i - startx - 1) * av.charWidth + av.charWidth / 2),
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217 y + fm.getDescent() * 2);
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