swing 中Jtable例子

package jp.gr.java_conf.tame.swing.table; import java.awt.BorderLayout; import java.awt.Color; import java.awt.Font; import java.awt.GridLayout; import java.awt.Toolkit; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.awt.event.WindowAdapter; import java.awt.event.WindowEvent; import javax.swing.BorderFactory; import javax.swing.Box; import javax.swing.BoxLayout; import javax.swing.JButton; import javax.swing.JComboBox; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JPanel; import javax.swing.JScrollPane; import javax.swing.JSeparator; import javax.swing.JTable; import javax.swing.ListSelectionModel; import javax.swing.SwingConstants; /** * @version 1.0 11/22/98 */ public class MixedExample extends JFrame { public MixedExample() { super("Mixed Example"); AttributiveCellTableModel ml = new AttributiveCellTableModel(20, 5) { public Object getValueAt(int row, int col) { return "" + row + "," + col; } }; CellAttribute cellAtt = ml.getCellAttribute(); MultiSpanCellTable table = new MultiSpanCellTable(ml); table.setCellSelectionEnabled(true); table.setSelectionMode(ListSelectionModel.SINGLE_INTERVAL_SELECTION); table.setDefaultRenderer(Object.class, new AttributiveCellRenderer()); JScrollPane scroll = new JScrollPane(table); ColorPanel colorPanel = new ColorPanel(table, (ColoredCell) cellAtt); FontPanel fontPanel = new FontPanel(table, (CellFont) cellAtt); SpanPanel spanPanel = new SpanPanel(table, (CellSpan) cellAtt); Box boxAtt = new Box(BoxLayout.Y_AXIS); boxAtt.add(colorPanel); boxAtt.add(fontPanel); boxAtt.add(spanPanel); Box box = new Box(BoxLayout.X_AXIS); box.add(scroll); box.add(new JSeparator(SwingConstants.HORIZONTAL)); box.add(boxAtt); getContentPane().add(box); setSize(400, 300); setVisible(true); } class ColorPanel extends JPanel { JTable table; ColoredCell cellAtt; ColorPanel(final JTable table, final ColoredCell cellAtt) { this.table = table; this.cellAtt = cellAtt; setLayout(new GridLayout(2, 1)); setBorder(BorderFactory.createTitledBorder("Color")); JButton b_fore = new JButton("Foreground"); b_fore.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { changeColor(true); } }); JButton b_back = new JButton("Background"); b_back.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { changeColor(false); } }); JPanel p_buttons = new JPanel(); add(b_fore); add(b_back); } private final void changeColor(boolean isForeground) { int[] columns = table.getSelectedColumns(); int[] rows = table.getSelectedRows(); if ((rows == null) || (columns == null)) return; if ((rows.length < 1) || (columns.length < 1)) return; Color target = cellAtt.getForeground(rows[0], columns[0]); Color reference = cellAtt.getBackground(rows[0], columns[0]); for (int i = 0; i < rows.length; i++) { int row = rows[i]; for (int j = 0; j < columns.length; j++) { int column = columns[j]; target = (target != cellAtt.getForeground(row, column)) ? null : target; reference = (reference != cellAtt .getBackground(row, column)) ? null : reference; } } String title; if (isForeground) { target = (target != null) ? target : table.getForeground(); reference = (reference != null) ? reference : table .getBackground(); title = "Foreground Color"; } else { target = (reference != null) ? reference : table .getBackground(); reference = (target != null) ? target : table.getForeground(); title = "Foreground Color"; } TextColorChooser chooser = new TextColorChooser(target, reference, isForeground); Color color = chooser.showDialog(MixedExample.this, title); if (color != null) { if (isForeground) { cellAtt.setForeground(color, rows, columns); } else { cellAtt.setBackground(color, rows, columns); } table.clearSelection(); table.revalidate(); table.repaint(); } } } class FontPanel extends JPanel { String[] str_size = { "10", "12", "14", "16", "20" }; String[] str_style = { "PLAIN", "BOLD", "ITALIC" }; JComboBox name, style, size; FontPanel(final JTable table, final CellFont cellAtt) { setLayout(new BorderLayout()); setBorder(BorderFactory.createTitledBorder("Font")); Box box = new Box(BoxLayout.X_AXIS); JPanel p2 = new JPanel(new GridLayout(3, 1)); JPanel p3 = new JPanel(new GridLayout(3, 1)); JPanel p4 = new JPanel(new BorderLayout()); p2.add(new JLabel("Name:")); p2.add(new JLabel("Style:")); p2.add(new JLabel("Size:")); Toolkit toolkit = Toolkit.getDefaultToolkit(); name = new JComboBox(toolkit.getFontList()); style = new JComboBox(str_style); size = new JComboBox(str_size); size.setEditable(true); JButton b_apply = new JButton("Apply"); b_apply.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { int[] columns = table.getSelectedColumns(); int[] rows = table.getSelectedRows(); if ((rows == null) || (columns == null)) return; if ((rows.length < 1) || (columns.length < 1)) return; Font font = new Font((String) name.getSelectedItem(), style .getSelectedIndex(), Integer.parseInt((String) size .getSelectedItem())); cellAtt.setFont(font, rows, columns); table.clearSelection(); table.revalidate(); table.repaint(); } }); p3.add(name); p3.add(style); p3.add(size); p4.add(BorderLayout.CENTER, b_apply); box.add(p2); box.add(p3); add(BorderLayout.CENTER, box); add(BorderLayout.SOUTH, p4); } } class SpanPanel extends JPanel { JTable table; CellSpan cellAtt; SpanPanel(final JTable table, final CellSpan cellAtt) { this.table = table; this.cellAtt = cellAtt; setLayout(new GridLayout(2, 1)); setBorder(BorderFactory.createTitledBorder("Span")); JButton b_one = new JButton("Combine"); b_one.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { int[] columns = table.getSelectedColumns(); int[] rows = table.getSelectedRows(); cellAtt.combine(rows, columns); table.clearSelection(); table.revalidate(); table.repaint(); } }); JButton b_split = new JButton("Split"); b_split.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { int column = table.getSelectedColumn(); int row = table.getSelectedRow(); cellAtt.split(row, column); table.clearSelection(); table.revalidate(); table.repaint(); } }); add(b_one); add(b_split); } } public static void main(String[] args) { MixedExample frame = new MixedExample(); frame.addWindowListener(new WindowAdapter() { public void windowClosing(WindowEvent e) { System.exit(0); } }); } }