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Introduction
Google Web Toolkit, sometimes known as GWT Web Toolkit, is an open-source suite of tools that allows web developers to design and maintain JavaScript front-end applications with the help of Java.
The TabPanel widget represents a panel that contains another widget and represents a tabbed group of pages. Its child widgets are displayed as the user navigates across the numerous tabs linked with them. These tabs may contain any HTML.
Class Declaration
The declaration for com.google.gwt.user.client.ui.TabPanel is shown below.
@Deprecated
public class TabPanel
extends Composite
implements SourcesTabEvents, TabListener, HasAnimation, HasWidgets, IndexedPanel.ForIsWidget, HasSelectionHandlers<java.lang.Integer>, HasBeforeSelectionHandlers<java.lang.Integer>
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TabPanel(): This constructor creates an empty tab panel.
Class Methods
void add(IsWidget w, IsWidget tabWidget): This is a deprecated method. Convenience overload to allow direct usage of IsWidget.
void add(IsWidget w, java.lang.String tabText): This is a deprecated method. Convenience overload to allow direct usage of IsWidget.
void add(IsWidget w, java.lang.String tabText, boolean asHTML): This is a deprecated method. Convenience overload to allow direct usage of IsWidget.
void add(Widget w): This method adds a child widget. This method is deprecated.
void add(Widget w, java.lang.String tabText): This method adds a widget to the tab panel. This method is deprecated.
void add(Widget w, java.lang.String tabText, boolean asHTML): This method adds a widget to the tab panel. This method is deprecated.
void add(Widget w, Widget tabWidget): This method adds a widget to the tab panel. This method is deprecated.
addBeforeSelectionHandler(BeforeSelectionHandler<java.lang.Integer> handler): This method adds a BeforeSelectionEvent handler. This is a deprecated method.
addSelectionHandler(SelectionHandler<java.lang.Integer> handler): This method adds a SelectionEvent handler. This is a deprecated method.
void addTabListener(TabListener listener): This method adds a Tab Listener. It is suggested to use addBeforeSelectionHandler or addSelectionHandler instead of addTabListener.
void clear(): This method removes all the child widgets. This is a deprecated method.
createTabTextWrapper(): This method will create a SimplePanel that will wrap contents in a tab. This is a deprecated method.
getDeckPanel(): This method will help you to get the deck panel within the tab panel. This is a deprecated method.
getTabBar(): This method will help you to get the tab bar into the same tab panel. This is a deprecated method.
getWidget(int index): This method will help you to get the child widget at the specific index. This is a deprecated method.
getWidgetCount(): This method returns the count of child widgets in the tab panel. This is a deprecated method.
getWidgetIndex(IsWidget child): This is a deprecated method. Convenience overload to allow direct usage of IsWidget.
getWidgetIndex(Widget widget): This method returns the index of the specified child widget. This method is deprecated.
insert(IsWidget widget, IsWidget tabWidget, int beforeIndex): This is a deprecated method. Convenience overload to allow direct usage of IsWidget.
insert(IsWidget widget, java.lang.String tabText, boolean asHTML, int beforeIndex): This is a deprecated method. Convenience overload to allow direct usage of IsWidget.
insert(IsWidget widget, java.lang.String tabText, int beforeIndex): This is a deprecated method. Convenience overload to allow direct usage of IsWidget.
insert(Widget widget, java.lang.String tabText, boolean asHTML, int beforeIndex): This method helps us to add a widget to the tab panel. This is a deprecated method.
insert(Widget widget, java.lang.String tabText, int beforeIndex): This method helps us to add a widget to the tab panel. This is a deprecated method.
insert(Widget widget, Widget tabWidget, int beforeIndex): This method helps us to add a widget to the tab panel. This is a deprecated method.
isAnimationEnabled(): This method returns true if any animations are enabled in the tab panel. This method is deprecated.
iterator(): This method returns an iterator for the contained widgets in the tab panel. This is a deprecated method.
onBeforeTabSelected(SourcesTabEvents sender, int tabIndex): This is a deprecated method. Use BeforeSelectionHandler.onBeforeSelection instead.
onEnsureDebugId(java.lang. String baseID): This is a deprecated method. Affected Elements: -bar = The tab bar. -bar-tab# = The element containing the content of the tab itself. -bar-tab-wrapper# = The cell containing the tab at the index. -bottom = The panel beneath the tab bar.
onTabSelected(SourcesTabEvents sender, int tabIndex): This is a deprecated method. Use SelectionHandler.onSelection instead.
remove(int index): This is a deprecated method. This method helps us to remove the widget at the specified index.
remove(Widget widget): This is a deprecated method. This method helps us to remove the given widget and the tab associated with it.
removeTabListener(TabListener listener): Make use of the HandlerRegistration.removeHandler() method on the object returned by the addHandler method instead of using this method. This is a deprecated method.
selectTab(int index): This method helps us to programmatically select the specified tab and fires the event. This is a deprecated method.
selectTab(int index, boolean fireEvents): This method helps us to programmatically selects the specified tab. This is a deprecated method.
setAnimationEnabled(boolean enable): This method helps us to disable or enable the animation in the tab panel. This is a deprecated method.
Inherited Methods
The methods of this class are inherited from the following classes:
com.google.gwt.user.client.ui.UIObject
com.google.gwt.user.client.ui.Composite
com.google.gwt.user.client.ui.Widget
java.lang.Object
Frequently Asked Questions
What is the purpose of GWT?
A development toolkit called GWT is used to create and improve sophisticated browser-based apps. Its objective is to make it possible to construct high-performance online apps productively without the developer needing to be an expert in JavaScript, XMLHttpRequest, or browser quirks.
What is GWT coding?
An open-source Java software development platform called Google Web Toolkit (GWT) makes it simple to create AJAX apps. You may use the Java development tools of your choice to create and debug AJAX apps with GWT.
What Java framework does Google use?
Java and the GWT framework are both used to create web applications like Google Analytics, Blogger, and Google Adsense. It is ideal for the construction of scale-sensitive applications since it is fully featured and supported by a sizable team of developers that have committed their time to the framework.
What are the advantages of GWT?
If you are a seasoned Java programmer with knowledge of Swing or AWT, selecting GWT should be simple. With this foundation, the learning curve is the shortest. Even if you lack experience in Java GUI programming, the years spent working on server-side Java will be helpful when creating GWT applications.
What is a GWT client?
A variety of HTTP client classes in GWT make it easier to send personalized HTTP requests to your server and, optionally, handle responses that are structured in JSON or XML. Your application may send general HTTP requests thanks to GWT's collection of HTTP client classes.
Conclusion
In this article, we have learned about the GWT TabPanel widget and its methods.
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