/** Listener to handle button actions */ public void actionPerformed(ActionEvent e) { // Check if the user changed the service filter option if (e.getSource() == service_box) { service_list.setEnabled(service_box.isSelected()); service_list.clearSelection(); remove_service_button.setEnabled(false); add_service_field.setEnabled(service_box.isSelected()); add_service_field.setText(""); add_service_button.setEnabled(false); } // Check if the user pressed the add service button if ((e.getSource() == add_service_button) || (e.getSource() == add_service_field)) { String text = add_service_field.getText(); if ((text != null) && (text.length() > 0)) { service_data.addElement(text); service_list.setListData(service_data); } add_service_field.setText(""); add_service_field.requestFocus(); } // Check if the user pressed the remove service button if (e.getSource() == remove_service_button) { Object[] sels = service_list.getSelectedValues(); for (int i = 0; i < sels.length; i++) { service_data.removeElement(sels[i]); } service_list.setListData(service_data); service_list.clearSelection(); } }
/** Constructor */ public ServiceFilterPanel(String text, Vector list) { empty_border = new EmptyBorder(5, 5, 0, 5); indent_border = new EmptyBorder(5, 25, 5, 5); service_box = new JCheckBox(text); service_box.addActionListener(this); service_data = new Vector(); if (list != null) { service_box.setSelected(true); service_data = (Vector) list.clone(); } service_list = new JList(service_data); service_list.setBorder(new EtchedBorder()); service_list.setVisibleRowCount(5); service_list.addListSelectionListener(this); service_list.setEnabled(service_box.isSelected()); service_scroll = new JScrollPane(service_list); service_scroll.setBorder(new EtchedBorder()); remove_service_button = new JButton("Remove"); remove_service_button.addActionListener(this); remove_service_button.setEnabled(false); remove_service_panel = new JPanel(); remove_service_panel.setLayout(new FlowLayout()); remove_service_panel.add(remove_service_button); service_area = new JPanel(); service_area.setLayout(new BorderLayout()); service_area.add(service_scroll, BorderLayout.CENTER); service_area.add(remove_service_panel, BorderLayout.EAST); service_area.setBorder(indent_border); add_service_field = new JTextField(); add_service_field.addActionListener(this); add_service_field.getDocument().addDocumentListener(this); add_service_field.setEnabled(service_box.isSelected()); add_service_button = new JButton("Add"); add_service_button.addActionListener(this); add_service_button.setEnabled(false); add_service_panel = new JPanel(); add_service_panel.setLayout(new BorderLayout()); JPanel dummy = new JPanel(); dummy.setBorder(empty_border); add_service_panel.add(dummy, BorderLayout.WEST); add_service_panel.add(add_service_button, BorderLayout.EAST); add_service_area = new JPanel(); add_service_area.setLayout(new BorderLayout()); add_service_area.add(add_service_field, BorderLayout.CENTER); add_service_area.add(add_service_panel, BorderLayout.EAST); add_service_area.setBorder(indent_border); setLayout(new BorderLayout()); add(service_box, BorderLayout.NORTH); add(service_area, BorderLayout.CENTER); add(add_service_area, BorderLayout.SOUTH); setBorder(empty_border); }