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 //////////////////////////////////////////////////////////////////
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25 import javax.swing.*;
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26 import java.awt.event.*;
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29 public class JalviewFileChooser
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30 extends JFileChooser
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33 public JalviewFileChooser(String dir)
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36 setAccessory(new RecentlyOpened());
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39 public JalviewFileChooser(String dir, String[] suffix, String[] desc,
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44 JalviewFileFilter chosen = null;
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46 for (int i = 0; i < suffix.length; i++)
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48 JalviewFileFilter jvf = new JalviewFileFilter(suffix[i], desc[i]);
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49 addChoosableFileFilter(jvf);
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51 if ( (selected != null) && selected.equalsIgnoreCase(desc[i]))
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59 setFileFilter(chosen);
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61 setAccessory(new RecentlyOpened());
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65 public void setFileFilter(javax.swing.filechooser.FileFilter filter)
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67 super.setFileFilter(filter);
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70 if(getUI() instanceof javax.swing.plaf.basic.BasicFileChooserUI)
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72 final javax.swing.plaf.basic.BasicFileChooserUI ui = (javax.swing.plaf.
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73 basic.BasicFileChooserUI) getUI();
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74 final String name = ui.getFileName().trim();
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76 if ( (name == null) || (name.length() == 0))
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81 EventQueue.invokeLater(new Thread()
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85 String currentName = ui.getFileName();
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86 if ( (currentName == null) || (currentName.length() == 0))
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88 ui.setFileName(name);
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93 }catch(Exception ex)
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95 // Some platforms do not have BasicFileChooserUI
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99 public String getSelectedFormat()
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101 if(getFileFilter()==null)
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106 String format = getFileFilter().getDescription();
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108 if (format.toUpperCase().startsWith("JALVIEW"))
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110 format = "Jalview";
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112 else if (format.toUpperCase().startsWith("FASTA"))
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116 else if (format.toUpperCase().startsWith("MSF"))
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120 else if (format.toUpperCase().startsWith("CLUSTAL"))
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122 format = "CLUSTAL";
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124 else if (format.toUpperCase().startsWith("BLC"))
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128 else if (format.toUpperCase().startsWith("PIR"))
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132 else if (format.toUpperCase().startsWith("PFAM"))
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140 public int showSaveDialog(Component parent)
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141 throws HeadlessException
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143 this.setAccessory(null);
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145 setDialogType(SAVE_DIALOG);
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147 int ret = showDialog(parent, null);
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149 if (getFileFilter() instanceof JalviewFileFilter)
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151 JalviewFileFilter jvf = (JalviewFileFilter) getFileFilter();
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153 if (!jvf.accept(getSelectedFile()))
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155 String withExtension = getSelectedFile() + "." +
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156 jvf.getAcceptableExtension();
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157 setSelectedFile(new File(withExtension));
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161 if ( (ret == JalviewFileChooser.APPROVE_OPTION) &&
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162 getSelectedFile().exists())
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164 int confirm = JOptionPane.showConfirmDialog(parent,
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165 "Overwrite existing file?",
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167 JOptionPane.YES_NO_OPTION);
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169 if (confirm != JOptionPane.YES_OPTION)
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171 ret = JalviewFileChooser.CANCEL_OPTION;
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178 void recentListSelectionChanged(String selection)
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180 setSelectedFile(null);
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182 File file = new File(selection);
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183 if (getFileFilter() instanceof JalviewFileFilter)
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185 JalviewFileFilter jvf = (JalviewFileFilter)this.getFileFilter();
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187 if (!jvf.accept(file))
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189 setFileFilter(getChoosableFileFilters()[0]);
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193 setSelectedFile( file );
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196 class RecentlyOpened extends JPanel
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199 public RecentlyOpened()
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201 String historyItems = jalview.bin.Cache.getProperty("RECENT_FILE");
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202 StringTokenizer st;
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203 Vector recent = new Vector();
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205 if (historyItems != null)
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207 st = new StringTokenizer(historyItems, "\t");
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209 while (st.hasMoreTokens())
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211 recent.addElement(st.nextElement());
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215 list = new JList(recent);
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216 list.addMouseListener(new MouseAdapter()
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218 public void mousePressed(MouseEvent evt)
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220 recentListSelectionChanged(list.getSelectedValue().toString());
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224 this.setBorder(new javax.swing.border.TitledBorder("Recently Opened"));
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226 final JScrollPane scroller = new JScrollPane(list);
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227 scroller.setPreferredSize(new Dimension(120, 200));
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228 this.add(scroller);
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230 javax.swing.SwingUtilities.invokeLater(new Runnable()
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234 scroller.getHorizontalScrollBar().setValue(
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235 scroller.getHorizontalScrollBar().getMaximum());
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