- /**************************************************************************
- * Internal implementation of Metal LookAndFeel to create the table sorting
- * ability.
- *************************************************************************/
- private final static class UI extends MetalFileChooserUI
- {
- private DirectoryModel model;
-
- /**************************************************************************
- * Must be overridden to extend
- * @param e
- *************************************************************************/
- public UI(JFileChooser e)
- {
- super(e);
- }
-
- /**************************************************************************
- * Overridden to create our own model
- *************************************************************************/
- protected final void createModel()
- {
- model = new DirectoryModel(getFileChooser());
- }
-
- /**************************************************************************
- * Overridden to get our own model
- * @return
- *************************************************************************/
- public final BasicDirectoryModel getModel() { return model; }
-
- /**************************************************************************
- * Calls the default method then adds a MouseListener to the JTable
- * @param chooser
- * @return
- *************************************************************************/
- protected final JPanel createDetailsView(JFileChooser chooser)
- {
- final JPanel panel = super.createDetailsView(chooser);
-
- //Since we can't access MetalFileChooserUI's private member detailsTable
- //directly, we have to find it in the JPanel
- final JTable tbl = findJTable(panel.getComponents());
- if (tbl != null)
- {
- //Fix the columns so they can't be rearranged, if we don't do this
- //we would need to keep track when each column is moved
- tbl.getTableHeader().setReorderingAllowed(false);
-
- //Add a mouselistener to listen for clicks on column headers
- tbl.getTableHeader().addMouseListener(new MouseAdapter(){
- public void mouseClicked(MouseEvent e)
- {
- //Only process single clicks
- if (e.getClickCount() > 1) return;
- e.consume();
- final int col = tbl.getTableHeader().columnAtPoint(e.getPoint());
- if (col == COLUMN_FILENAME || col == COLUMN_FILESIZE ||
- col == COLUMN_FILEDATE)
- model.sort(col,tbl);
- }
- });
- }
- return panel;
- }
-
- /**************************************************************************
- * Finds the JTable in the panel so we can add MouseListener
- * @param comp
- * @return
- *************************************************************************/
- private final static JTable findJTable(Component[] comp)
- {
- for (int i=0;i<comp.length;i++)
- {
- if (comp[i] instanceof JTable)
- {
- return (JTable)comp[i];
- }
- if (comp[i] instanceof Container)
- {
- JTable tbl = findJTable(((Container)comp[i]).getComponents());
- if (tbl != null) return tbl;
- }
- }
- return null;
- }
- }
-
- /***************************************************************************
- * Implementation of BasicDirectoryModel that sorts the Files by column
- **************************************************************************/
- private final static class DirectoryModel extends BasicDirectoryModel
- {
- int col = 0;
- boolean ascending;
-
- /**************************************************************************
- * Must be overridden to extend BasicDirectoryModel
- * @param chooser
- *************************************************************************/
- DirectoryModel(JFileChooser chooser)
- {
- super(chooser);
- }
-
-
- /**************************************************************************
- * Supposedly this is not used anymore, hopefully not. We implemented
- * some basic attempt at sorting just in case
- * @param a
- * @param b
- * @return
- *************************************************************************/
- protected final boolean lt(File a, File b)
- {
- System.out.println("LT called?");
- boolean less = false;
- switch (col)
- {
- case COLUMN_FILEDATE:
- less = a.lastModified() > b.lastModified();
- break;
- case COLUMN_FILESIZE:
- less = a.length() > b.length();
- break;
- default:
- less = a.getName().compareToIgnoreCase(b.getName()) > 0;
- break;
- }
- if (ascending) return less = !less;
- return less;
- }
-
- /**************************************************************************
- * Resorts the JFileChooser table based on new column
- * @param c
- *************************************************************************/
- protected final void sort(int c, JTable tbl)
- {
- //Set column and order
- col = c;
- ascending = !ascending;
- String indicator = " (^)";
- if (ascending)
- indicator = " (v)";
-
- final JTableHeader th = tbl.getTableHeader();
- final TableColumnModel tcm = th.getColumnModel();
-
- for (int i=0;i<JalviewFileChooser.COLUMN_COLCOUNT;i++)
- {
- final TableColumn tc = tcm.getColumn( i ); // the column to change
- tc.setHeaderValue( COLUMNS[i] );
- }
-
- final TableColumn tc = tcm.getColumn( col ); // the column to change
- tc.setHeaderValue( COLUMNS[col] + indicator );
-
- th.repaint();
-
- //Requery the file listing
- validateFileCache();
- }
-
- /**************************************************************************
- * Sorts the data based on current column setting
- * @param data
- *************************************************************************/
- protected final void sort(Vector data)
- {
- switch (col)
- {
- case COLUMN_FILEDATE:
- Collections.sort(data,new Comparator(){
- public int compare(Object o1,Object o2)
- {
- int ret = 1;
- final File a = (File)o1;
- final File b = (File)o2;
- if (a.lastModified() > b.lastModified())
- ret = -1;
- else if (a.lastModified() == b.lastModified())
- ret = 0;
-
- if (ascending)
- ret *= -1;
- return ret;
- }
-
- });
- break;
- case COLUMN_FILESIZE:
- Collections.sort(data,new Comparator(){
- public int compare(Object o1,Object o2)
- {
- int ret = 1;
- final File a = (File)o1;
- final File b = (File)o2;
- if (a.length() > b.length())
- ret = -1;
- else if (a.length() == b.length())
- ret = 0;
-
- if (ascending)
- ret *= -1;
- return ret;
- }
-
- });
- break;
- case COLUMN_FILENAME:
- Collections.sort(data,new Comparator(){
- public int compare(Object o1,Object o2)
- {
- final File a = (File)o1;
- final File b = (File)o2;
- if (ascending)
- return a.getName().compareToIgnoreCase(b.getName());
- else
- return -1 * a.getName().compareToIgnoreCase(b.getName());
- }
-
- });
- break;
- }
- }