// Create a model of the data.
@SuppressWarnings("serial")
TableModel dataModel = new AbstractTableModel() { // These methods always need to be implemented.
public Object getValueAt(int row, int col) { return data[row][col];
}
// The default implementations of these methods in // AbstractTableModel would work, but we can refine them.
@Override public String getColumnName(int column) { return names[column];
}
@Override publicClass<?> getColumnClass(int c) { return getValueAt(0, c).getClass();
}
@Override publicboolean isCellEditable(int row, int col) { returntrue;
}
@Override publicvoid setValueAt(Object aValue, int row, int column) {
System.out.println("Setting value to: " + aValue);
data[row][column] = aValue;
}
};
// Create the table
JTable tableView = new JTable(dataModel); // Turn off auto-resizing so that we can set column sizes // programmatically. In this mode, all columns will get their preferred // widths, as set blow.
tableView.setAutoResizeMode(JTable.AUTO_RESIZE_OFF);
// Create a combo box to show that you can use one in a table.
JComboBox<String> comboBox = new JComboBox<>();
comboBox.addItem("Red");
comboBox.addItem("Orange");
comboBox.addItem("Yellow");
comboBox.addItem("Green");
comboBox.addItem("Blue");
comboBox.addItem("Indigo");
comboBox.addItem("Violet");
TableColumn colorColumn = tableView.getColumn("Favorite Color"); // Use the combo box as the editor in the "Favorite Color" column.
colorColumn.setCellEditor(new DefaultCellEditor(comboBox));
// Set a pink background and tooltip for the Color column renderer.
DefaultTableCellRenderer colorColumnRenderer = new DefaultTableCellRenderer();
colorColumnRenderer.setBackground(Color.pink);
colorColumnRenderer.setToolTipText("Click for combo box");
colorColumn.setCellRenderer(colorColumnRenderer);
// Set a tooltip for the header of the colors column.
TableCellRenderer headerRenderer = colorColumn.getHeaderRenderer(); if (headerRenderer instanceof DefaultTableCellRenderer) {
((DefaultTableCellRenderer) headerRenderer).setToolTipText( "Hi Mom!");
}
// Set the width of the "Vegetarian" column.
TableColumn vegetarianColumn = tableView.getColumn("Vegetarian");
vegetarianColumn.setPreferredWidth(100);
// Show the values in the "Favorite Number" column in different colors.
TableColumn numbersColumn = tableView.getColumn("Favorite Number");
@SuppressWarnings("serial")
DefaultTableCellRenderer numberColumnRenderer
= new DefaultTableCellRenderer() {
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