package org.hwo.io;

import java.awt.BorderLayout;
import java.awt.FlowLayout;

import javax.swing.JButton;
import javax.swing.JDialog;
import javax.swing.JPanel;
import javax.swing.border.EmptyBorder;

import java.awt.Dialog.ModalExclusionType;
import java.awt.Dialog.ModalityType;
import java.awt.GridBagLayout;

import org.hwo.i18n.Messages;
import org.hwo.ui.JComboBoxEx;

import java.awt.GridBagConstraints;

import javax.swing.JLabel;

import java.awt.Insets;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;

public class SerialPortChooser extends JDialog {

	
	public static SerialPort execute()
	{
		return execute(null);
	}
	public static SerialPort execute(String selectedPortName)
	{
		SerialPortChooser spc = new SerialPortChooser();
		
		if (selectedPortName != null)
			spc.setSelectedSerialPort(selectedPortName);
		
		spc.setVisible(true);
		
		return spc.getSelectedSerialPort();
	}
	
	
	private final JPanel contentPanel = new JPanel();

	private SerialPort selectedSerialPort;
	private JComboBoxEx cbPortList;
	
	/**
	 * Create the dialog.
	 */
	public SerialPortChooser() {
		setTitle(Messages.getString("SerialPortChooser.0"));
		setModalityType(ModalityType.APPLICATION_MODAL);
		setModalExclusionType(ModalExclusionType.APPLICATION_EXCLUDE);
		setModal(true);
		setDefaultCloseOperation(JDialog.DISPOSE_ON_CLOSE);
		setBounds(100, 100, 491, 169);
		getContentPane().setLayout(new BorderLayout());
		contentPanel.setBorder(new EmptyBorder(5, 5, 5, 5));
		getContentPane().add(contentPanel, BorderLayout.CENTER);
		GridBagLayout gbl_contentPanel = new GridBagLayout();
		gbl_contentPanel.columnWidths = new int[]{0, 0, 0};
		gbl_contentPanel.rowHeights = new int[]{0, 0};
		gbl_contentPanel.columnWeights = new double[]{0.0, 1.0, Double.MIN_VALUE};
		gbl_contentPanel.rowWeights = new double[]{0.0, Double.MIN_VALUE};
		contentPanel.setLayout(gbl_contentPanel);
		{
			JLabel lblSchnittstelle = new JLabel(Messages.getString("interface"));
			GridBagConstraints gbc_lblSchnittstelle = new GridBagConstraints();
			gbc_lblSchnittstelle.insets = new Insets(0, 0, 0, 5);
			gbc_lblSchnittstelle.anchor = GridBagConstraints.EAST;
			gbc_lblSchnittstelle.gridx = 0;
			gbc_lblSchnittstelle.gridy = 0;
			contentPanel.add(lblSchnittstelle, gbc_lblSchnittstelle);
		}
		{
			cbPortList = new JComboBoxEx();
			GridBagConstraints gbc_cbPortList = new GridBagConstraints();
			gbc_cbPortList.fill = GridBagConstraints.HORIZONTAL;
			gbc_cbPortList.gridx = 1;
			gbc_cbPortList.gridy = 0;
			contentPanel.add(cbPortList, gbc_cbPortList);
		}
		{
			JPanel buttonPane = new JPanel();
			buttonPane.setLayout(new FlowLayout(FlowLayout.RIGHT));
			getContentPane().add(buttonPane, BorderLayout.SOUTH);
			{
				JButton okButton = new JButton(Messages.getString("ok"));
				okButton.addActionListener(new ActionListener() {
					public void actionPerformed(ActionEvent arg0) {
						accept();
					}
				});
				okButton.setActionCommand("OK");
				buttonPane.add(okButton);
				getRootPane().setDefaultButton(okButton);
			}
			{
				JButton cancelButton = new JButton(Messages.getString("cancel"));
				cancelButton.addActionListener(new ActionListener() {
					public void actionPerformed(ActionEvent e) {
						cancel();
					}
				});
				cancelButton.setActionCommand("Cancel");
				buttonPane.add(cancelButton);
			}
		}
		
		initialize();
	}
	
	private void initialize()
	{
		selectedSerialPort = null;
		
		cbPortList.removeAllItems();
		
		for (String portName: SerialPort.getPortNames())
			cbPortList.addItem(portName);
	}
	
	private void accept()
	{
		selectedSerialPort = SerialPort.newInstance();
		selectedSerialPort.setPortName(cbPortList.getSelectedItem().toString());
		
		setVisible(false);
	}
	
	private void cancel()
	{
		selectedSerialPort = null;
		setVisible(false);
	}

	public SerialPort getSelectedSerialPort() {
		return selectedSerialPort;
	}

	public void setSelectedSerialPort(SerialPort selectedSerialPort) {
		cbPortList.selectEqualItem(selectedSerialPort.getPortName());
	}

	public void setSelectedSerialPort(String portName) {
		cbPortList.selectEqualItem(portName);
	}

}