Uses of Interface
com.google.gwt.event.shared.HasHandlers

Packages that use HasHandlers

Package	Description
com.google.gwt.canvas.client	Classes for HTML Canvas 2D support.
com.google.gwt.editor.ui.client	User interface components for the bean editor framework.
com.google.gwt.event.dom.client	Types related to DOM events.
com.google.gwt.event.logical.shared	Types related to logical events that do not have direct analogues to DOM events and which can be used in contexts other than web browsers.
com.google.gwt.event.shared	Shared infrastructure underlying both browser and non-browser events.
com.google.gwt.event.shared.testing	Classes used for testing the GWT event bus.
com.google.gwt.i18n.client	Internationalization support for GWT applications.
com.google.gwt.logging.client	Log handlers and related classes for java.util.logging support in GWT.
com.google.gwt.media.client	Widgets for HTML Audio and Video support.
com.google.gwt.user.cellview.client	The "cellview" widget set.
com.google.gwt.user.client.ui	Widgets, Panels, and other user-interface classes.
com.google.gwt.user.datepicker.client	The date picker widget and associated types.
com.google.gwt.view.client	Classes and interfaces used by the cellview widget set.

Uses of HasHandlers in com.google.gwt.canvas.client

Classes in com.google.gwt.canvas.client that implement HasHandlers

Modifier and Type	Class	Description
class	Canvas	A widget representing a <canvas> element.

Uses of HasHandlers in com.google.gwt.editor.ui.client

Classes in com.google.gwt.editor.ui.client that implement HasHandlers

Modifier and Type	Class	Description
class	ValueBoxEditorDecorator<T>	A simple decorator to display leaf widgets with an error message.

Uses of HasHandlers in com.google.gwt.event.dom.client

Subinterfaces of HasHandlers in com.google.gwt.event.dom.client

Modifier and Type	Interface	Description
interface	HasAllDragAndDropHandlers	This is a convenience interface that includes all drag and drop handlers defined by the core GWT system.
interface	HasAllFocusHandlers	This is a convenience interface that includes all focus handlers defined by the core GWT system.
interface	HasAllGestureHandlers	This is a convenience interface that includes all gesture handlers defined by the core GWT system.
interface	HasAllKeyHandlers	Convenience interface used to implement all key handlers at once.
interface	HasAllMediaHandlers	This is a convenience interface that includes all media handlers defined by the core GWT system.
interface	HasAllMouseHandlers	This is a convenience interface that includes all mouse handlers defined by the core GWT system.
interface	HasAllTouchHandlers	This is a convenience interface that includes all touch handlers defined by the core GWT system.
interface	HasBlurHandlers	A widget that implements this interface provides registration for BlurHandler instances.
interface	HasCanPlayThroughHandlers	A widget that implements this interface provides registration for CanPlayThroughHandler instances.
interface	HasChangeHandlers	A widget that implements this interface provides registration for ChangeHandler instances.
interface	HasClickHandlers	A widget that implements this interface provides registration for ClickHandler instances.
interface	HasContextMenuHandlers	A widget that implements this interface provides registration for ContextMenuHandler instances.
interface	HasDoubleClickHandlers	A widget that implements this interface provides registration for DoubleClickHandler instances.
interface	HasDragEndHandlers	A widget that implements this interface provides registration for DragEndHandler instances.
interface	HasDragEnterHandlers	A widget that implements this interface provides registration for DragEnterHandler instances.
interface	HasDragHandlers	A widget that implements this interface provides registration for DragHandler instances.
interface	HasDragLeaveHandlers	A widget that implements this interface provides registration for DragLeaveHandler instances.
interface	HasDragOverHandlers	A widget that implements this interface provides registration for DragOverHandler instances.
interface	HasDragStartHandlers	A widget that implements this interface provides registration for DragStartHandler instances.
interface	HasDropHandlers	A widget that implements this interface provides registration for DropHandler instances.
interface	HasEndedHandlers	A widget that implements this interface provides registration for EndedHandler instances.
interface	HasErrorHandlers	A widget that implements this interface provides registration for ErrorHandler instances.
interface	HasFocusHandlers	A widget that implements this interface provides registration for FocusHandler instances.
interface	HasGestureChangeHandlers	A widget that implements this interface provides registration for GestureChangeHandler instances.
interface	HasGestureEndHandlers	A widget that implements this interface provides registration for GestureEndHandler instances.
interface	HasGestureStartHandlers	A widget that implements this interface provides registration for GestureStartHandler instances.
interface	HasKeyDownHandlers	A widget that implements this interface provides registration for KeyDownHandler instances.
interface	HasKeyPressHandlers	A widget that implements this interface provides registration for KeyPressHandler instances.
interface	HasKeyUpHandlers	A widget that implements this interface provides registration for KeyUpHandler instances.
interface	HasLoadedMetadataHandlers	A widget that implements this interface provides registration for LoadedMetadataHandler instances.
interface	HasLoadHandlers	A widget that implements this interface provides registration for LoadHandler instances.
interface	HasLoseCaptureHandlers	A widget that implements this interface provides registration for LoseCaptureHandler instances.
interface	HasMouseDownHandlers	A widget that implements this interface provides registration for MouseDownHandler instances.
interface	HasMouseMoveHandlers	A widget that implements this interface provides registration for MouseMoveHandler instances.
interface	HasMouseOutHandlers	A widget that implements this interface provides registration for MouseOutHandler instances.
interface	HasMouseOverHandlers	A widget that implements this interface provides registration for MouseOverHandler instances.
interface	HasMouseUpHandlers	A widget that implements this interface provides registration for MouseUpHandler instances.
interface	HasMouseWheelHandlers	A widget that implements this interface provides registration for MouseWheelHandler instances.
interface	HasProgressHandlers	A widget that implements this interface provides registration for ProgressHandler instances.
interface	HasScrollHandlers	A widget that implements this interface provides registration for ScrollHandler instances.
interface	HasTouchCancelHandlers	A widget that implements this interface provides registration for TouchCancelHandler instances.
interface	HasTouchEndHandlers	A widget that implements this interface provides registration for TouchEndHandler instances.
interface	HasTouchMoveHandlers	A widget that implements this interface provides registration for TouchMoveHandler instances.
interface	HasTouchStartHandlers	A widget that implements this interface provides registration for TouchStartHandler instances.

Methods in com.google.gwt.event.dom.client with parameters of type HasHandlers

Modifier and Type	Method	Description
static void	DomEvent.fireNativeEvent(NativeEvent nativeEvent, HasHandlers handlerSource)	Fires the given native event on the specified handlers.
static void	DomEvent.fireNativeEvent(NativeEvent nativeEvent, HasHandlers handlerSource, Element relativeElem)	Fires the given native event on the specified handlers.

Uses of HasHandlers in com.google.gwt.event.logical.shared

Subinterfaces of HasHandlers in com.google.gwt.event.logical.shared

Modifier and Type	Interface	Description
interface	HasAttachHandlers	A widget that implements this interface is a public source of AttachEvent events.
interface	HasBeforeSelectionHandlers<T>	A widget that implements this interface is a public source of BeforeSelectionEvent events.
interface	HasCloseHandlers<T>	A widget that implements this interface is a public source of CloseEvent events.
interface	HasHighlightHandlers<V>	A widget that implements this interface is a public source of HighlightEvent events.
interface	HasInitializeHandlers	A widget that implements this interface is a public source of InitializeEvent events.
interface	HasOpenHandlers<T>	A widget that implements this interface is a public source of OpenEvent events.
interface	HasResizeHandlers	A widget that implements this interface is a public source of ResizeEvent events.
interface	HasSelectionHandlers<T>	A widget that implements this interface is a public source of SelectionEvent events.
interface	HasShowRangeHandlers<V>	A widget that implements this interface is a public source of ShowRangeEvent events.
interface	HasValueChangeHandlers<T>	A widget that implements this interface is a public source of ValueChangeEvent events.

Methods in com.google.gwt.event.logical.shared with type parameters of type HasHandlers

Modifier and Type	Method	Description
static <V,S extends HasHighlightHandlers<V> & HasHandlers> void	HighlightEvent.fire(S source, V highlighted)	Fires a highlight event on all registered handlers in the handler manager.
static <S extends HasInitializeHandlers & HasHandlers> void	InitializeEvent.fire(S source)	Fires a initialize event on all registered handlers in the handler source.
static <S extends HasResizeHandlers & HasHandlers> void	ResizeEvent.fire(S source, int width, int height)	Fires a resize event on all registered handlers in the handler source.
static <V,S extends HasShowRangeHandlers<V> & HasHandlers> void	ShowRangeEvent.fire(S source, V start, V end)	Fires a show range event on all registered handlers in the handler manager.

Uses of HasHandlers in com.google.gwt.event.shared

Classes in com.google.gwt.event.shared that implement HasHandlers

Modifier and Type	Class	Description
class	EventBus	Extends {com.google.web.bindery.event.shared.EventBus} for legacy compatibility.
class	HandlerManager	Manager responsible for adding handlers to event sources and firing those handlers on passed in events.
class	ResettableEventBus	Wraps {com.google.web.bindery.event.shared.ResettableEventBus} for legacy compatibility.
class	SimpleEventBus	Wraps {com.google.web.bindery.event.shared.SimpleEventBus} for legacy compatibility.

Uses of HasHandlers in com.google.gwt.event.shared.testing

Classes in com.google.gwt.event.shared.testing that implement HasHandlers

Modifier and Type	Class	Description
class	CountingEventBus	Legacy compatibility wrapper for CountingEventBus.

Uses of HasHandlers in com.google.gwt.i18n.client

Subinterfaces of HasHandlers in com.google.gwt.i18n.client

Modifier and Type	Interface	Description
static interface	AutoDirectionHandler.Target	The interface an object must implement in order to add an AutoDirectionHandler to it.

Uses of HasHandlers in com.google.gwt.logging.client

Classes in com.google.gwt.logging.client that implement HasHandlers

Modifier and Type	Class	Description
class	LoggingPopup	A simple popup to show log messages, which can be resized, minimized, and dragged to a different location.

Uses of HasHandlers in com.google.gwt.media.client

Classes in com.google.gwt.media.client that implement HasHandlers

Modifier and Type	Class	Description
class	Audio	A widget representing an <audio> element.
class	MediaBase	A widget representing a media element.
class	Video	A widget representing a <video> element.

Uses of HasHandlers in com.google.gwt.user.cellview.client

Classes in com.google.gwt.user.cellview.client that implement HasHandlers

Modifier and Type	Class	Description
class	AbstractCellTable<T>	Abstract base class for tabular views that supports paging and columns.
class	AbstractCellTree	An abstract representation of a tree widget that renders items using Cells.
class	AbstractHasData<T>	An abstract Widget that implements HasData.
class	AbstractPager	An abstract pager that exposes many methods useful for paging.
class	CellBrowser	A "browsable" view of a tree in which only a single node per level may be open at one time.
(package private) class	CellBrowser.BrowserCellList<T>	A custom version of cell list used by the browser.
class	CellList<T>	A single column list of cells.
class	CellTable<T>	A tabular view that supports paging and columns.
class	CellTree	A view of a tree.
(package private) static class	CellTreeNodeView.NodeCellList<C>	The HasData used to show children.
class	CellWidget<C>	A Widget that wraps a Cell.
class	DataGrid<T>	A tabular view with a fixed header and footer section and a scrollable data section in the middle.
(package private) static class	DataGrid.TableWidget	A simple widget wrapper around a table element.
(package private) class	HasDataPresenter<T>	Presenter implementation of HasData that presents data for various cell based widgets.
class	PageSizePager	A simple pager that controls the page size.
class	SimplePager	A pager for controlling a HasRows that only supports simple page navigation.

Methods in com.google.gwt.user.cellview.client with parameters of type HasHandlers

Modifier and Type	Method	Description
static ColumnSortEvent	ColumnSortEvent.fire(HasHandlers source, ColumnSortList sortList)	Fires a column sort event on all registered handlers in the handler manager.
static RowHoverEvent	RowHoverEvent.fire(HasHandlers source, TableRowElement hoveringRow, boolean isUnHover)	Fires a row hover event on all registered handlers in the handler manager.
static RowHoverEvent	RowHoverEvent.fire(HasHandlers source, TableRowElement hoveringRow, Event browserEvent, boolean isUnHover)	Fires a row hover event on all registered handlers in the handler manager.
static RowHoverEvent	RowHoverEvent.fire(HasHandlers source, TableRowElement hoveringRow, Event browserEvent, boolean isUnHover, RowHoverEvent.HoveringScope hoveringScope)	Fires a row hover event on all registered handlers in the handler manager.

Uses of HasHandlers in com.google.gwt.user.client.ui

Subinterfaces of HasHandlers in com.google.gwt.user.client.ui

Modifier and Type	Interface	Description
static interface	DialogBox.Caption	Set of characteristic interfaces supported by the DialogBox caption.
interface	HasConstrainedValue<T>	Implemented by widgets that pick from a set of values.
interface	HasScrolling	Implemented by widgets that support scrolling.
interface	HasValue<T>	Extends TakesValue to allow the value to be pulled back out, and to throw ValueChangeEvent events.
interface	HorizontalScrollbar	Describes a horizontal scrollbar.
static interface	TabBar.Tab	Set of characteristic interfaces supported by TabBar tabs.
interface	VerticalScrollbar	Describes a vertical scrollbar.

Classes in com.google.gwt.user.client.ui that implement HasHandlers

Modifier and Type	Class	Description
class	AbsolutePanel	An absolute panel positions all of its children absolutely, allowing them to overlap.
class	AbstractNativeScrollbar	Abstract parent class for scrollbars implemented using the native browser scrollbars.
class	Anchor	A widget that represents a simple <a> element.
class	Button	A standard push-button widget.
class	ButtonBase	Abstract base class for Button, CheckBox, RadioButton.
class	CaptionPanel	A panel that wraps its contents in a border with a caption that appears in the upper left corner of the border.
class	CellPanel	A panel whose child widgets are contained within the cells of a table.
class	CheckBox	A standard check box widget.
class	ComplexPanel	Abstract base class for panels that can contain multiple child widgets.
class	Composite	A type of widget that can wrap another widget, hiding the wrapped widget's methods.
class	CustomButton	CustomButton is a base button class with built in support for a set number of button faces.
class	CustomScrollPanel	A custom version of the ScrollPanel that allows user provided scrollbars.
class	DateLabel	Extends ValueLabel for convenience when dealing with dates and DateTimeFormat, especially in UiBinder templates.
class	DeckLayoutPanel	A panel that displays all of its child widgets in a 'deck', where only one can be visible at a time.
class	DeckPanel	A panel that displays all of its child widgets in a 'deck', where only one can be visible at a time.
class	DecoratedPopupPanel	A PopupPanel that wraps its content in a 3x3 grid, which allows users to add rounded corners.
class	DecoratedStackPanel	A StackPanel that wraps each item in a 2x3 grid (six box), which allows users to add rounded corners.
class	DecoratedTabBar	A TabBar that wraps each tab in a 2x3 grid (six box), which allows users to add rounded corners.
class	DecoratedTabPanel	A TabPanel that uses a DecoratedTabBar with rounded corners.
class	DecoratorPanel	A SimplePanel that wraps its contents in stylized boxes, which can be used to add rounded corners to a Widget.
class	DialogBox	A form of popup that has a caption area at the top and can be dragged by the user.
static class	DialogBox.CaptionImpl	Default implementation of Caption.
class	DisclosurePanel	A widget that consists of a header and a content panel that discloses the content when a user clicks on the header.
class	DockLayoutPanel	A panel that lays its child widgets out "docked" at its outer edges, and allows its last widget to take up the remaining space in its center.
class	DockPanel	A panel that lays its child widgets out "docked" at its outer edges, and allows its last widget to take up the remaining space in its center.
class	DoubleBox	A ValueBox that uses DoubleParser and DoubleRenderer.
class	FileUpload	A widget that wraps the HTML <input type='file'> element.
class	FlexTable	A flexible table that creates cells on demand.
class	FlowPanel	A panel that formats its child widgets using the default HTML layout behavior.
class	FocusPanel	A simple panel that makes its contents focusable, and adds the ability to catch mouse and keyboard events.
class	FocusWidget	Abstract base class for most widgets that can receive keyboard focus.
class	FormPanel	A panel that wraps its contents in an HTML <FORM> element.
class	Frame	A widget that wraps an IFRAME element, which can contain an arbitrary web site.
class	Grid	A rectangular grid that can contain text, html, or a child Widget within its cells.
class	HeaderPanel	A panel that includes a header (top), footer (bottom), and content (middle) area.
class	Hidden	Represents a hidden field in an HTML form.
class	HorizontalPanel	A panel that lays all of its widgets out in a single horizontal column.
class	HorizontalSplitPanel	Deprecated. Use SplitLayoutPanel instead, but understand that it is not a drop in replacement for this class.
class	HTML	A widget that can contain arbitrary HTML.
class	HTMLPanel	A panel that contains HTML, and which can attach child widgets to identified elements within that HTML.
class	HTMLTable	HTMLTable contains the common table algorithms for Grid and FlexTable.
class	Hyperlink	A widget that serves as an "internal" hyperlink.
class	Image	A widget that displays the image at a given URL.
class	InlineHTML	A widget that can contain arbitrary HTML.
class	InlineHyperlink	A widget that serves as an "internal" hyperlink.
class	InlineLabel	A widget that contains arbitrary text, not interpreted as HTML.
class	IntegerBox	A ValueBox that uses IntegerParser and IntegerRenderer.
class	Label	A widget that contains arbitrary text, not interpreted as HTML.
class	LabelBase<T>	Abstract base class for all text display widgets.
class	LayoutPanel	A panel that lays its children out in arbitrary layers using the Layout class.
class	LazyPanel	Convenience class to help lazy loading.
class	ListBox	A widget that presents a list of choices to the user, either as a list box or as a drop-down list.
class	LongBox	A ValueBox that uses LongParser and LongRenderer.
class	MenuBar	A standard menu bar widget.
class	NamedFrame	A Frame that has a 'name' associated with it.
class	NativeHorizontalScrollbar	A horizontal scrollbar implemented using the browsers native scrollbar.
class	NativeVerticalScrollbar	A vertical scrollbar implemented using the browsers native scrollbar.
class	NotificationMole	Simple widget for providing notification feedback.
class	NumberLabel<T extends java.lang.Number>	Extends ValueLabel for convenience when dealing with numbers and NumberFormat, especially in UiBinder templates.
class	Panel	Abstract base class for all panels, which are widgets that can contain other widgets.
class	PasswordTextBox	A text box that visually masks its input to prevent eavesdropping.
class	PopupPanel	A panel that can "pop up" over other widgets.
class	PushButton	A normal push button with custom styling.
class	RadioButton	A mutually-exclusive selection radio button widget.
class	RenderablePanel	EXPERIMENTAL and subject to change.
class	ResetButton	A standard push-button widget which will automatically reset its enclosing FormPanel if any.
class	ResizeComposite	A Composite implementation that implements RequiresResize and automatically delegates that interface's methods to its wrapped widget, which must itself implement RequiresResize.
class	ResizeLayoutPanel	A simple panel that ProvidesResize to its one child, but does not RequiresResize.
class	RichTextArea	A rich text editor that allows complex styling and formatting.
class	RootLayoutPanel	A singleton implementation of LayoutPanel that always attaches itself to the document body (i.e.
class	RootPanel	The panel to which all other widgets must ultimately be added.
class	ScrollPanel	A simple panel that wraps its contents in a scrollable area.
class	SimpleCheckBox	A simple checkbox widget, with no label.
class	SimpleLayoutPanel	A simple panel that ProvidesResize to its one child.
class	SimplePanel	Base class for panels that contain only one widget.
class	SimpleRadioButton	A simple radio button widget, with no label.
class	SplitLayoutPanel	A panel that adds user-positioned splitters between each of its child widgets.
(package private) class	SplitLayoutPanel.HSplitter
(package private) class	SplitLayoutPanel.Splitter
(package private) class	SplitLayoutPanel.VSplitter
(package private) class	SplitPanel	Deprecated. Use SplitLayoutPanel instead, but understand that it is not a drop in replacement for this class.
class	StackLayoutPanel	A panel that stacks its children vertically, displaying only one at a time, with a header for each child which the user can click to display.
class	StackPanel	A panel that stacks its children vertically, displaying only one at a time, with a header for each child which the user can click to display.
class	SubmitButton	A standard push-button widget which will automatically submit its enclosing FormPanel if any.
class	SuggestBox	A SuggestBox is a text box or text area which displays a pre-configured set of selections that match the user's input.
class	TabBar	A horizontal bar of folder-style tabs, most commonly used as part of a TabPanel.
class	TabLayoutPanel	A panel that represents a tabbed set of pages, each of which contains another widget.
class	TabPanel	A panel that represents a tabbed set of pages, each of which contains another widget.
class	TextArea	A text box that allows multiple lines of text to be entered.
class	TextBox	A standard single-line text box.
class	TextBoxBase	Abstract base class for most text entry widgets.
class	ToggleButton	A ToggleButton is a stylish stateful button which allows the user to toggle between up and down states.
class	Tree	A standard hierarchical tree widget.
class	ValueBox<T>	A text box able to parse its displayed value.
class	ValueBoxBase<T>	Abstract base class for all text entry widgets.
class	ValueLabel<T>	A label displaying its value through a renderer.
class	ValueListBox<T>	Implementation of HasConstrainedValue based on a SelectElement.
class	ValuePicker<T>	Allows the user to pick a single value from a list.
class	VerticalPanel	A panel that lays all of its widgets out in a single vertical column.
class	VerticalSplitPanel	Deprecated. Use SplitLayoutPanel instead, but understand that it is not a drop in replacement for this class.
class	Widget	The base class for the majority of user-interface objects.

Uses of HasHandlers in com.google.gwt.user.datepicker.client

Classes in com.google.gwt.user.datepicker.client that implement HasHandlers

Modifier and Type	Class	Description
class	CalendarView	The CalendarView is a calendar grid that represents the current view of a DatePicker.
(package private) class	CellGridImpl<V>	Highlighting, selectable cell grid.
(package private) class	CellGridImpl.Cell
class	DateBox	A text box that shows a DatePicker when the user focuses on it.
class	DatePicker	Standard GWT date picker.
(package private) class	DatePickerComponent	Package protected class used to combine functionality for the MonthSelector and CalendarView components.
class	DefaultCalendarView	Simple calendar view.
(package private) class	DefaultCalendarView.CellGrid	Cell grid.
(package private) class	DefaultCalendarView.CellGrid.DateCell	A cell representing a date.
class	DefaultMonthSelector	A simple MonthSelector used for the default date picker.
class	MonthSelector	Abstract month selector widget.

Methods in com.google.gwt.user.datepicker.client with type parameters of type HasHandlers

Modifier and Type	Method	Description
static <S extends HasValueChangeHandlers<java.util.Date> & HasHandlers> void	DateChangeEvent.fireIfNotEqualDates(S source, java.util.Date oldValue, java.util.Date newValue)	Fires value change event if the old value is not equal to the new value.

Uses of HasHandlers in com.google.gwt.view.client

Subinterfaces of HasHandlers in com.google.gwt.view.client

Modifier and Type	Interface	Description
interface	HasCellPreviewHandlers<T>	A widget that implements this interface is a public source of CellPreviewEvent events.
interface	HasData<T>	A view that can display a range of data.
interface	HasRows	Describes an object that displays a range of rows.
static interface	SelectionChangeEvent.HasSelectionChangedHandlers	Interface specifying that a class can add SelectionChangeEvent.Handlers.
interface	SelectionModel<T>	A model for selection within a list.
interface	SetSelectionModel<T>	A model that allows getting all elements and clearing the selection.

Classes in com.google.gwt.view.client that implement HasHandlers

Modifier and Type	Class	Description
class	DefaultSelectionModel<T>	A convenience SelectionModel that allows items to be selected according to a subclass-defined rule, plus a list of positive or negative exceptions.
class	MultiSelectionModel<T>	A simple selection model that allows multiple items to be selected.
class	NoSelectionModel<T>	A selection model that does not allow selection, but fires selection change events.
class	OrderedMultiSelectionModel<T>	A simple selection model that allows multiple items to be selected and retains order of selection.
static class	SelectionModel.AbstractSelectionModel<T>	A default implementation of SelectionModel that provides listener addition and removal.
class	SingleSelectionModel<T>	A simple selection model that allows only one item to be selected a a time.