/*
* Copyright 2005 JBoss Inc
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.drools.guvnor.client;
import com.google.gwt.core.client.GWT;
import com.google.gwt.core.client.Scheduler;
import com.google.gwt.event.dom.client.*;
import com.google.gwt.user.client.Command;
import com.google.gwt.user.client.ui.Button;
import com.google.gwt.user.client.ui.Image;
import com.google.gwt.user.client.ui.PasswordTextBox;
import com.google.gwt.user.client.ui.TextBox;
import org.drools.guvnor.client.common.FormStylePopup;
import org.drools.guvnor.client.common.GenericCallback;
import org.drools.guvnor.client.common.LoadingPopup;
import org.drools.guvnor.client.messages.ConstantsCore;
import org.drools.guvnor.client.resources.ImagesCore;
import org.drools.guvnor.client.rpc.SecurityService;
import org.drools.guvnor.client.rpc.SecurityServiceAsync;
/**
* Used for logging in, obviously !
*/
public class LoginWidget {
private ConstantsCore constants = GWT.create(ConstantsCore.class);
private static ImagesCore images = GWT.create(ImagesCore.class);
private Command loggedInEvent;
private String userNameLoggedIn;
public void show() {
Image image = new Image(images.login());
image.setAltText(ConstantsCore.INSTANCE.Login());
final FormStylePopup pop = new FormStylePopup(image,
constants.Login());
final TextBox userName = new TextBox();
pop.addAttribute(constants.UserName(),
userName);
final PasswordTextBox password = new PasswordTextBox();
pop.addAttribute(constants.Password(),
password);
KeyPressHandler kph = new KeyPressHandler() {
public void onKeyPress(KeyPressEvent event) {
if (KeyCodes.KEY_ENTER == event.getNativeEvent().getKeyCode()) {
doLogin(userName,
password,
pop);
}
}
};
userName.addKeyPressHandler(kph);
password.addKeyPressHandler(kph);
Button b = new Button(constants.OK());
b.addClickHandler(new ClickHandler() {
public void onClick(ClickEvent event) {
doLogin(userName,
password,
pop);
}
});
pop.addAttribute("",
b);
pop.setAfterShow(new Command() {
public void execute() {
Scheduler scheduler = Scheduler.get();
scheduler.scheduleDeferred(new Command() {
public void execute() {
userName.setFocus(true);
}
});
}
});
pop.show();
}
private void doLogin(final TextBox userName,
PasswordTextBox password,
final FormStylePopup pop) {
LoadingPopup.showMessage(constants.Authenticating());
SecurityServiceAsync.INSTANCE.login(userName.getText(),
password.getText(),
new GenericCallback() {
public void onSuccess(Object o) {
userNameLoggedIn = userName.getText();
LoadingPopup.close();
Boolean success = (Boolean) o;
if (!success) {
com.google.gwt.user.client.Window.alert(constants.IncorrectUsernameOrPassword());
} else {
loggedInEvent.execute();
pop.hide();
}
}
});
}
/**
* Return the name that was entered.
*/
public String getUserName() {
return userNameLoggedIn;
}
/**
* This is required for a callback after a successful login.
*/
public void setLoggedInEvent(Command loggedInEvent) {
this.loggedInEvent = loggedInEvent;
}
}