void showWarning(Frame frame, String warning) {
warningDialog = new Dialog(frame, "警告", true);
warningDialog.setSize(200, 100);
warningDialog.setLayout(new FlowLayout());
warningDialog.setResizable(false);
warningDialog.setLocationRelativeTo(frame);
warningText = new Label(warning);
warningButton = new Button("确认");
warningDialog.add(warningText);
warningDialog.add(warningButton);
warningDialog.addWindowListener(
new WindowAdapter() {
public void windowClosing(WindowEvent e) {
warningDialog.setVisible(false);
warningDialog.dispose();
}
});
warningButton.addKeyListener(
new KeyAdapter() {
public void keyPressed(KeyEvent e) {
int keyCode = e.getKeyCode();
if (keyCode == KeyEvent.VK_ENTER) {
warningDialog.setVisible(false);
warningDialog.dispose();
}
}
});
warningButton.addMouseListener(
new MouseAdapter() {
public void mouseClicked(MouseEvent e) {
warningDialog.setVisible(false);
warningDialog.dispose();
}
});
warningDialog.setVisible(true);
}
/* DESCRIPTION
* Connect button event method,
* Call the connect method
* ARGUMENTS
* ip - Peer IP variable, integer
* port - Peer Port variable, integer
* dlg - Warning dialog, Dialog
* msg - Warning message, Label
* ok - confirm button on the warning dialog
*/
protected void connect_btnMouseClicked(MouseEvent evt) {
ip = ip_text.getText();
port = Integer.parseInt(port_text.getText());
final Dialog dlg = new Dialog(this, "Warning!");
dlg.setSize(300, 100);
Label msg = new Label("Input the correct Ip address and Port number.", Label.CENTER);
Button ok = new Button("OK");
dlg.setLayout(new FlowLayout());
dlg.add(msg);
dlg.add(ok);
ok.addMouseListener(
new MouseAdapter() {
public void mouseClicked(MouseEvent e) {
dlg.dispose();
}
});
// if user didn't a peer ip, it shows alarm dialog
if (ip.equals("")) {
dlg.setVisible(true);
}
// Call the connect method
else {
try {
connect();
} catch (Exception e) {
dlg.setVisible(true);
System.out.println(e);
}
}
}
/* DESCRIPTION
* Send button event method,
* Send the data to socket
* ARGUMENTS
* sendstr - send data, String
* hexstr - send data converted to hex, String
* dlg - Warning dialog, Dialog
* msg - Warning message, Label
* ok - confirm button on the warning dialog
* pw - output stream
*/
protected void send_btnMouseClicked(MouseEvent evt) {
String sendstr = "";
String hexstr = "";
// if the user click the send button when the socket is close, it shows warning dialog
if (sock == null) {
final Dialog dlg = new Dialog(this, "Warning!");
dlg.setSize(300, 100);
Label msg = new Label("Connect the socket, first.", Label.CENTER);
Button ok = new Button("OK");
dlg.setLayout(new FlowLayout());
dlg.add(msg);
dlg.add(ok);
ok.addMouseListener(
new MouseAdapter() {
public void mouseClicked(MouseEvent e) {
dlg.dispose();
}
});
dlg.setVisible(true);
}
// send the data to socket
else {
sendstr = send_text.getText();
if (sendstr.equals("") && cr_check.isSelected() == false && lf_check.isSelected() == false) {
final Dialog dlg = new Dialog(this, "Warning!");
dlg.setSize(300, 100);
Label msg = new Label("Insert the message", Label.CENTER);
Button ok = new Button("OK");
dlg.setLayout(new FlowLayout());
dlg.add(msg);
dlg.add(ok);
ok.addMouseListener(
new MouseAdapter() {
public void mouseClicked(MouseEvent e) {
dlg.dispose();
}
});
dlg.setVisible(true);
} else {
pw.print(sendstr);
if (cr_check.isSelected()) {
pw.print("\r");
sendstr = sendstr + "\r";
}
if (lf_check.isSelected()) {
pw.print("\n");
sendstr = sendstr + "\n";
}
pw.flush();
hexstr = StringtoHex(sendstr);
data.append("Send data : ");
data.append(hexstr + " | ");
data.append(sendstr);
data.append("\n");
send_text.setText("");
sendstr = "";
}
}
}