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| package com.example.FameuxBinome.client;
import com.example.FameuxBinome.shared.FieldVerifier;
/**
* Entry point classes define <code>onModuleLoad()</code>.
*/
public class FameuxBinome implements EntryPoint {
/**
* The message displayed to the user when the server cannot be reached or
* returns an error.
*/
private static final String SERVER_ERROR = "An error occurred while "
+ "attempting to contact the server. Please check your network "
+ "connection and try again.";
/**
* Create a remote service proxy to talk to the server-side Greeting service.
*/
private final GreetingServiceAsync greetingService = GWT
.create(GreetingService.class);
/**
* This is the entry point method.
*/
public void onModuleLoad() {
final Label errorLabel = new Label();
// Use RootPanel.get() to get the entire body element
RootPanel.get("errorLabelContainer").add(errorLabel);
final Button btnEnvoyer = new Button("envoyer");
RootPanel.get("nameFieldContainer").add(btnEnvoyer, 247, 231);
Button button = new Button("annuler");
RootPanel.get("annuler").add(button, 335, 231);
button.setSize("62px", "30px");
final TextBox txtbxUserLogin = new TextBox();
txtbxUserLogin.setText("User login");
RootPanel.get("userlog").add(txtbxUserLogin, 159, 56);
txtbxUserLogin.setSize("150px", "23px");
final PasswordTextBox txtbxUserPassword = new PasswordTextBox();
txtbxUserPassword.setText("user password");
RootPanel.get("userpass").add(txtbxUserPassword, 159, 106);
txtbxUserPassword.setSize("150px", "23px");
Label lblLogin = new Label("Login");
RootPanel.get("log").add(lblLogin, 42, 73);
Label lblPassword = new Label("Password");
RootPanel.get("pass").add(lblPassword, 42, 123);
// Create the popup dialog box
final DialogBox dialogBox = new DialogBox();
dialogBox.setText("Remote Procedure Call");
dialogBox.setAnimationEnabled(true);
final Button closeButton = new Button("Close");
// We can set the id of a widget by accessing its Element
closeButton.getElement().setId("closeButton");
final Label textToServerLabel = new Label();
final HTML serverResponseLabel = new HTML();
VerticalPanel dialogVPanel = new VerticalPanel();
dialogVPanel.addStyleName("dialogVPanel");
dialogVPanel.add(new HTML("<b>Sending name to the server:</b>"));
dialogVPanel.add(textToServerLabel);
dialogVPanel.add(new HTML("<br><b>Server replies:</b>"));
dialogVPanel.add(serverResponseLabel);
dialogVPanel.setHorizontalAlignment(VerticalPanel.ALIGN_RIGHT);
dialogVPanel.add(closeButton);
dialogBox.setWidget(dialogVPanel);
// Add a handler to close the DialogBox
closeButton.addClickHandler(new ClickHandler() {
public void onClick(ClickEvent event) {
dialogBox.hide();
btnEnvoyer.setEnabled(true);
btnEnvoyer.setFocus(true);
}
});
// Create a handler for the sendButton and nameField
class MyHandler implements ClickHandler, KeyUpHandler {
/**
* Fired when the user clicks on the sendButton.
*/
public void onClick(ClickEvent event) {
sendNameToServer();
}
/**
* Fired when the user types in the nameField.
*/
public void onKeyUp(KeyUpEvent event) {
if (event.getNativeKeyCode() == KeyCodes.KEY_ENTER) {
sendNameToServer();
}
}
/**
* Send the name from the nameField to the server and wait for a response.
*/
private void sendNameToServer() {
// First, we validate the input.
errorLabel.setText("");
String textToServerLog = txtbxUserLogin.getText();
String textToServerPass = txtbxUserPassword.getText();
if (!FieldVerifier.isValidName(textToServerLog)|| !FieldVerifier.isValidName(textToServerPass) ) {
errorLabel.setText("Please enter at least four characters");
return;
}
// Then, we send the input to the server.
btnEnvoyer.setEnabled(false);
textToServerLabel.setText(textToServerLog);
serverResponseLabel.setText("");
greetingService.greetServer(textToServerLog,textToServerPass,
new AsyncCallback<String>() {
public void onFailure(Throwable caught) {
// Show the RPC error message to the user
dialogBox
.setText("Remote Procedure Call - Failure");
serverResponseLabel
.addStyleName("serverResponseLabelError");
serverResponseLabel.setHTML(SERVER_ERROR);
dialogBox.center();
closeButton.setFocus(true);
}
public void onSuccess(String result) {
dialogBox.setText("Remote Procedure Call");
serverResponseLabel
.removeStyleName("serverResponseLabelError");
serverResponseLabel.setHTML(result);
dialogBox.center();
closeButton.setFocus(true);
}
});
}
}
// Add a handler to send the name to the server
MyHandler handler = new MyHandler();
btnEnvoyer.addClickHandler(handler);
}
} |
Problème positionnement des widgets
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Envoyé par fahmi.bedoui
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