package net.sf.sahi.ui;

import java.awt.Cursor;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;

import javax.swing.JLabel;
import javax.swing.JOptionPane;

import net.sf.sahi.util.Utils;

public class LinkButton extends JLabel {
  private static final long serialVersionUID = 8273875024682878518L;

  public LinkButton(final String text) {
    this(text, null);
  }

  public LinkButton(final String text, final String uri) {
    super();
    setText(text);
    if (uri != null) setToolTipText(uri.toString());
    addMouseListener(new MouseAdapter() {
      public void mouseClicked(MouseEvent e) {
        open(uri);
      }

      public void mouseEntered(MouseEvent e) {
        setCursor(new Cursor(Cursor.HAND_CURSOR));
        setText(text, true);
      }

      public void mouseExited(MouseEvent e) {
        setCursor(new Cursor(Cursor.DEFAULT_CURSOR));
        setText(text, false);
      }
    });
  }

  @Override
  public void setText(String text) {
    setText(text, false);
  }

  public void setText(String text, boolean highlight) {
    text = "<u>" + text + "</u>";
    super.setText("<html><span style=\"color: " + (highlight ? "#FF0000" : "#000099;") + "\">" + text + "</span></html>");
  }

  protected void open(String url) {
    String osName = System.getProperty("os.name");
    String cmd = null;
    if (osName.startsWith("Mac OS")) {
      cmd = "open ";
    } else if (osName.startsWith("Windows")) {
      cmd = "cmd.exe /C start ";
    } else {
      cmd = "xdg-open ";
    }
    cmd += url.toString();
    try {
      Utils.executeAndGetProcess(Utils.getCommandTokens(cmd));
    } catch (Exception e) {
      e.printStackTrace();
      JOptionPane.showMessageDialog(null,
        "Please navigate to http://localost:9999/_s_/ControllerUI to configure browsers for Sahi",
        "Cannot Launch Link", JOptionPane.WARNING_MESSAGE);
    }
  }
}