public void run(final RootPanel rp, final String nick) {
if (Cookies.getCookie(nick) == null) Cookies.setCookie(nick, "" + 0);
cl.setPageSize(500);
final Button sendMessage =
new Button(
"sendMessage",
new ClickHandler() {
public void onClick(ClickEvent event) {
if (!message.getText().equals("")) {
new Post().postJson(SERVERURL, nick.toString(), message.getText());
message.setText("");
}
}
});
rp.get("mainDiv2").setVisible(true);
message.getElement().setAttribute("placeholder", "Introduce your message");
message.getElement().setAttribute("id", "message");
cl.getElement().setAttribute("id", "chatBox");
sendMessage.getElement().setAttribute("id", "sendMessage");
sendMessage.setText("Send");
vp.getElement().setAttribute("id", "verticalPanel");
hp.getElement().setAttribute("id", "horizontalPanel");
panel.getElement().setAttribute("id", "scroller");
hp.add(message);
hp.add(sendMessage);
panel.add(cl);
vp.add(panel);
vp.add(hp);
rp.get("mainDiv2").add(vp);
Timer t =
new Timer() {
@Override
public void run() {
getMessages();
if (chatList != null && Integer.parseInt(Cookies.getCookie(nick)) < chatList.size()) {
cl.setRowCount(chatList.size() + 1, true);
cl.setRowData(
Integer.parseInt(Cookies.getCookie(nick)),
chatList.subList(Integer.parseInt(Cookies.getCookie(nick)), chatList.size()));
panel.setVerticalScrollPosition(panel.getMaximumVerticalScrollPosition() - 1);
Cookies.setCookie(nick, "" + chatList.size());
}
}
};
t.scheduleRepeating(1000);
}
public void onModuleLoad() {
final HorizontalPanel hPanel = new HorizontalPanel();
final Label messagesReceived = new Label("Messaged Received: ");
final Label messagesReceivedVal = new Label();
class Counter {
int count = 0;
public void increment() {
messagesReceivedVal.setText(String.valueOf(++count));
}
}
final Counter counter = new Counter();
for (int i = 0; i < 7; i++) {
final VerticalPanel panel = new VerticalPanel();
final Button startStopButton = new Button("Start" + i);
final TextBox resultBox = new TextBox();
resultBox.setEnabled(false);
final String receiverName = "RandomNumberReceiver" + i;
final Style resultStyle = resultBox.getElement().getStyle();
/** Create a callback receiver to receive the data from the server. */
final MessageCallback receiver =
new MessageCallback() {
public void callback(Message message) {
counter.increment();
Double value = message.get(Double.class, "Data");
resultBox.setText(String.valueOf(value));
if (value > 0.5d) {
resultStyle.setProperty("backgroundColor", "green");
} else {
resultStyle.setProperty("backgroundColor", "red");
}
}
};
/** Subscribe to the receiver using the recevierName. */
ErraiBus.get().subscribe(receiverName, receiver);
final int num = i;
startStopButton.addClickHandler(
new ClickHandler() {
public void onClick(ClickEvent clickEvent) {
/** Send a message to Start/Stop the task on the server. */
MessageBuilder.createMessage()
.toSubject("AsyncService")
.command(startStopButton.getText())
.with(MessageParts.ReplyTo, receiverName)
.noErrorHandling()
.sendNowWith(ErraiBus.get());
/**
* Flip-flop the value of the button every time it's pushed between 'Start' and 'Stop'
*/
startStopButton.setText(
("Start" + num).equals(startStopButton.getText()) ? "Stop" + num : "Start" + num);
}
});
panel.add(startStopButton);
panel.add(resultBox);
hPanel.add(panel);
}
final VerticalPanel outerPanel = new VerticalPanel();
outerPanel.add(hPanel);
final HorizontalPanel messageCounter = new HorizontalPanel();
messageCounter.add(messagesReceived);
messageCounter.add(messagesReceivedVal);
outerPanel.add(messageCounter);
RootPanel.get().add(outerPanel);
}