そして、みんなの提案に続いて(とにかく私が提案したように)、ここにケースを説明する小さなデモスニペットがあります。左側にJFileChooserを追加して、ディスクを参照して代表的なケースを確認できるようにしましたが、右側のJTableが気になります。
ButtonColumnという追加のクラスが必要ですが、それを使用して行にコメントを付けることができます。ボタンはありません。
そしてここに結果があります:
import java.awt.BorderLayout;
import java.awt.Dimension;
import java.awt.event.ActionEvent;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.io.File;
import java.util.Arrays;
import javax.swing.AbstractAction;
import javax.swing.Icon;
import javax.swing.JFileChooser;
import javax.swing.JFrame;
import javax.swing.JOptionPane;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.SwingUtilities;
import javax.swing.UIManager;
import javax.swing.UnsupportedLookAndFeelException;
import javax.swing.filechooser.FileSystemView;
import javax.swing.table.AbstractTableModel;
import javax.swing.table.DefaultTableCellRenderer;
import javax.swing.table.TableColumnModel;
import javax.swing.table.TableModel;
public class TestFileTable {
public class DirectoryModel extends AbstractTableModel {
private File directory;
private File[] files;
public DirectoryModel(File directory) {
super();
setDiretory(directory);
}
@Override
public String getColumnName(int column) {
switch (column) {
case 0:
return "";
case 1:
return "File name";
case 2:
return "";
default:
break;
}
return "";
}
@Override
public int getRowCount() {
return files.length;
}
@Override
public int getColumnCount() {
return 6;
}
@Override
public boolean isCellEditable(int rowIndex, int columnIndex) {
return columnIndex > 1;// button columns
}
@Override
public Object getValueAt(int rowIndex, int columnIndex) {
switch (columnIndex) {
case 0:
return FileSystemView.getFileSystemView().getSystemIcon(files[rowIndex]);
case 1:
return files[rowIndex].getName();
case 2:
return "Edit";
case 3:
return "Results";
case 4:
return "Take";
case 5:
return "Delete";
}
return null;
}
public TableModel setDiretory(File currentDirectory) {
this.directory = currentDirectory;
files = directory.listFiles();
if (files == null) {
files = new File[0];
}
Arrays.sort(files);
fireTableDataChanged();
return this;
}
}
protected void initUI() {
JFrame frame = new JFrame(TestFileTable.class.getSimpleName());
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
final JTable table = new JTable();
final JFileChooser fileChooser = new JFileChooser();
final DirectoryModel model = new DirectoryModel(fileChooser.getCurrentDirectory());
fileChooser.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);
fileChooser.addPropertyChangeListener(JFileChooser.DIRECTORY_CHANGED_PROPERTY, new PropertyChangeListener() {
@Override
public void propertyChange(PropertyChangeEvent evt) {
table.setModel(model.setDiretory(fileChooser.getCurrentDirectory()));
}
});
fileChooser.setCurrentDirectory(new File(System.getProperty("user.home")));
table.setShowGrid(false);
table.setIntercellSpacing(new Dimension(10, 10));
table.setRowHeight(30);
TableColumnModel columnModel = table.getColumnModel();
columnModel.getColumn(0).setCellRenderer(new DefaultTableCellRenderer() {
@Override
protected void setValue(Object value) {
if (value instanceof Icon) {
setText(null);
setIcon((Icon) value);
} else {
super.setValue(value);
}
}
});
columnModel.getColumn(0).setPreferredWidth(36);
columnModel.getColumn(0).setMaxWidth(36);
table.setTableHeader(null);
// If you don't have the class ButtonCOlumn, comment the next lines, it still works
// You can get it at http://tips4java.wordpress.com/2009/07/12/table-button-column/
new ButtonColumn(table, new AbstractAction() {
@Override
public void actionPerformed(ActionEvent e) {
JOptionPane.showMessageDialog(table, "You have chosen to edit " + table.getModel().getValueAt(table.getSelectedRow(), 1));
}
}, 2);
new ButtonColumn(table, new AbstractAction() {
@Override
public void actionPerformed(ActionEvent e) {
JOptionPane.showMessageDialog(table,
"You have chosen to show results for " + table.getModel().getValueAt(table.getSelectedRow(), 1));
}
}, 3);
new ButtonColumn(table, new AbstractAction() {
@Override
public void actionPerformed(ActionEvent e) {
JOptionPane.showMessageDialog(table, "You have chosen to take " + table.getModel().getValueAt(table.getSelectedRow(), 1));
}
}, 4);
new ButtonColumn(table, new AbstractAction() {
@Override
public void actionPerformed(ActionEvent e) {
JOptionPane.showMessageDialog(table, "You have chosen to delete " + table.getModel().getValueAt(table.getSelectedRow(), 1));
}
}, 5);
frame.add(fileChooser, BorderLayout.WEST);
frame.add(new JScrollPane(table));
frame.setSize(1200, 600);
frame.setVisible(true);
}
public static void main(String[] args) throws ClassNotFoundException, InstantiationException, IllegalAccessException,
UnsupportedLookAndFeelException {
UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
SwingUtilities.invokeLater(new Runnable() {
@Override
public void run() {
new TestFileTable().initUI();
}
});
}
}