GWTApplication.client
Class Main

java.lang.Object
  GWTApplication.client.Main

All Implemented Interfaces:

com.google.gwt.core.client.EntryPoint, com.google.gwt.user.client.ui.TabListener, com.google.gwt.user.client.WindowCloseListener, com.google.gwt.user.client.WindowResizeListener, FDBLoginListener, java.util.EventListener

public class Main
extends java.lang.Object
implements com.google.gwt.core.client.EntryPoint, FDBLoginListener, com.google.gwt.user.client.ui.TabListener, com.google.gwt.user.client.WindowCloseListener, com.google.gwt.user.client.WindowResizeListener

This is the main entry point for the fault database application client. The code generates the user interface which will be translated to AJAX/java script which will be subsequently deployed into the web browsers.

Version:

$Id: Main.java,v 1.10 2008/01/14 17:00:47 cb Exp $

Author:

cb

Nested Class Summary

(package private) class

Main.QuickHelpListener This class is a listener class which is called when the user clicks upon the help link in the main panel and is used to display quick help associated with the application

Field Summary

private BusyIndicator	busyIndicator Indicator which will be used to show that we are busy
private NewFaultForm	createNewFaultPanel This is an instance of the new fault form object which will allow the user to enter a new fault into the system
private FaultUpdateMonitor	faultUpdateMonitor Used to check the database intermittingly and report back to listeners which faults they are displaying have changed so that they may update their view accordingly.
protected InternationalizationConstants	internationalizationConstants This class will be used for internationalization so that we can flick between the locales of English and Spanish.
private LoginPanel	loginPanel This is the login panel which the user will be greeted with he first logs onto the system
private com.google.gwt.user.client.ui.TabPanel	MainTabBar This is the main tab bar which will contain for each form in the Fault management system a tab which can be used to access that form
private ManageSystem	manageSystemPanel This is an instance of the managed system object which will allow the Privileged user to be able to administer the system.
private ModifyFormPanel	modifyFormPanel This is an instance of the Modify fault object which will allow the user to Update and append to an existing fault in the system.
private QuickViewReport	quickViewPanel This is an instance of the quick view report object which will form one tab
private SearchForm	searchPanel This is an instance of the search form object which will allow the user to perform a search across the data contained within the fault management system
protected FaultServiceAsync	svc This is the service which will be used to access the servlet which is running in the tomcat container
private AuthenticationDetails	UserAuthentication Contains the details of the authentication which was performed by the user.

Constructor Summary

Main()

Method Summary

boolean	onBeforeTabSelected(com.google.gwt.user.client.ui.SourcesTabEvents sender, int tabIndex) Called before a tab is selected.
void	onModuleLoad() This is the entry point of the client side of the system.
void	onTabSelected(com.google.gwt.user.client.ui.SourcesTabEvents sender, int tabIndex) Called when the tab has been selected but we do nothing
void	onWindowClosed() Called when the user closes down the window.
java.lang.String	onWindowClosing() Called when the user is about to close down the window, we need to make sure that he really does want to leave the page.
void	onWindowResized(int width, int height) Called when the main window is resized
void	userLoggedIn(AuthenticationDetails UserAuthentication) This implements the expected interface of the login listener which will be called when the user logs onto the system for the first time.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

faultUpdateMonitor

private FaultUpdateMonitor faultUpdateMonitor

Used to check the database intermittingly and report back to listeners which faults they are displaying have changed so that they may update their view accordingly.

busyIndicator

private BusyIndicator busyIndicator

Indicator which will be used to show that we are busy

internationalizationConstants

protected InternationalizationConstants internationalizationConstants

This class will be used for internationalization so that we can flick between the locales of English and Spanish.

svc

protected FaultServiceAsync svc

This is the service which will be used to access the servlet which is running in the tomcat container

MainTabBar

private com.google.gwt.user.client.ui.TabPanel MainTabBar

This is the main tab bar which will contain for each form in the Fault management system a tab which can be used to access that form

quickViewPanel

private QuickViewReport quickViewPanel

This is an instance of the quick view report object which will form one tab

manageSystemPanel

private ManageSystem manageSystemPanel

This is an instance of the managed system object which will allow the Privileged user to be able to administer the system.

createNewFaultPanel

private NewFaultForm createNewFaultPanel

This is an instance of the new fault form object which will allow the user to enter a new fault into the system

searchPanel

private SearchForm searchPanel

This is an instance of the search form object which will allow the user to perform a search across the data contained within the fault management system

modifyFormPanel

private ModifyFormPanel modifyFormPanel

This is an instance of the Modify fault object which will allow the user to Update and append to an existing fault in the system.

loginPanel

private LoginPanel loginPanel

This is the login panel which the user will be greeted with he first logs onto the system

UserAuthentication

private AuthenticationDetails UserAuthentication

Contains the details of the authentication which was performed by the user.

Constructor Detail

Main

public Main()

Method Detail

onBeforeTabSelected

public boolean onBeforeTabSelected(com.google.gwt.user.client.ui.SourcesTabEvents sender,
                                   int tabIndex)

Called before a tab is selected. We prevent the user selecting the update tab when there are no faults being edited.

Specified by:

onBeforeTabSelected in interface com.google.gwt.user.client.ui.TabListener

Parameters:

sender - The tab panel which sent the event

tabIndex - This is the index of the panel which was selected.

Returns:

boolean false if the user is to be blocked from selecting the tab selected.

onWindowClosing

public java.lang.String onWindowClosing()

Called when the user is about to close down the window, we need to make sure that he really does want to leave the page. This is to save the user unwillingly losing unsaved changes.

Specified by:

onWindowClosing in interface com.google.gwt.user.client.WindowCloseListener

onWindowClosed

public void onWindowClosed()

Called when the user closes down the window. We don't do anything here. This method does nothing and is simply to satisfy the interface requirements.

Specified by:

onWindowClosed in interface com.google.gwt.user.client.WindowCloseListener

onTabSelected

public void onTabSelected(com.google.gwt.user.client.ui.SourcesTabEvents sender,
                          int tabIndex)

Called when the tab has been selected but we do nothing

Specified by:

onTabSelected in interface com.google.gwt.user.client.ui.TabListener

Parameters:

sender - The tab panel which sent the event

tabIndex - This is the index of the panel which was selected.

userLoggedIn

public void userLoggedIn(AuthenticationDetails UserAuthentication)

This implements the expected interface of the login listener which will be called when the user logs onto the system for the first time. The main interface of the application will be built through this method.

Specified by:

userLoggedIn in interface FDBLoginListener

Parameters:

UserAuthentication - Contains the details of the user that has logged onto the system and his levels of priviledge

onWindowResized

public void onWindowResized(int width,
                            int height)

Called when the main window is resized

Specified by:

onWindowResized in interface com.google.gwt.user.client.WindowResizeListener

onModuleLoad

public void onModuleLoad()

This is the entry point of the client side of the system. This is the method which is called by the web browser when it is loaded for the first and boots the system.

Specified by:

onModuleLoad in interface com.google.gwt.core.client.EntryPoint