com.vaadin.flow.component

Class ClickEvent<C extends Component>

java.lang.Object

java.util.EventObject

com.vaadin.flow.component.ComponentEvent<C>

com.vaadin.flow.component.ClickEvent<C>

Type Parameters:

C - The source component type

All Implemented Interfaces:

Serializable

Direct Known Subclasses:

ItemClickEvent

@DomEvent(value="click")
public class ClickEvent<C extends Component>
extends ComponentEvent<C>

Event fired when a component is clicked.

Since:

1.0

Author:

Vaadin Ltd

See Also:

Serialized Form

Field Summary

Fields inherited from class java.util.EventObject

source

Constructor Summary

Constructors

Constructor and Description
ClickEvent(Component source) Creates a new server-side click event with no additional information.
ClickEvent(Component source, boolean fromClient, int screenX, int screenY, int clientX, int clientY, int clickCount, int button, boolean ctrlKey, boolean shiftKey, boolean altKey, boolean metaKey) Creates a new click event.

Method Summary

Modifier and Type	Method and Description
int	getButton() Gets the id of the pressed mouse button.
int	getClickCount() Gets the number of consecutive clicks recently recorded.
int	getClientX() Gets the x coordinate of the click event, relative to the upper left corner of the browser viewport.
int	getClientY() Gets the y coordinate of the click event, relative to the upper left corner of the browser viewport.
int	getScreenX() Gets the x coordinate of the click event, relative to the upper left corner of the screen.
int	getScreenY() Gets the y coordinate of the click event, relative to the upper left corner of the screen.
boolean	isAltKey() Checks whether the alt key was was down when the event was fired.
boolean	isCtrlKey() Checks whether the ctrl key was was down when the event was fired.
boolean	isMetaKey() Checks whether the meta key was was down when the event was fired.
boolean	isShiftKey() Checks whether the shift key was was down when the event was fired.

Methods inherited from class com.vaadin.flow.component.ComponentEvent

getSource, isFromClient, unregisterListener

Methods inherited from class java.util.EventObject

toString

Methods inherited from class java.lang.Object

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

Constructor Detail

ClickEvent

public ClickEvent(Component source,
                  boolean fromClient,
                  @EventData(value="event.screenX")
                  int screenX,
                  @EventData(value="event.screenY")
                  int screenY,
                  @EventData(value="event.clientX")
                  int clientX,
                  @EventData(value="event.clientY")
                  int clientY,
                  @EventData(value="event.detail")
                  int clickCount,
                  @EventData(value="event.button")
                  int button,
                  @EventData(value="event.ctrlKey")
                  boolean ctrlKey,
                  @EventData(value="event.shiftKey")
                  boolean shiftKey,
                  @EventData(value="event.altKey")
                  boolean altKey,
                  @EventData(value="event.metaKey")
                  boolean metaKey)

Creates a new click event.

Parameters:

source - the component that fired the event

fromClient - true if the event was originally fired on the client, false if the event originates from server-side logic

screenX - the x coordinate of the click event, relative to the upper left corner of the screen, -1 if unknown

screenY - the y coordinate of the click event, relative to the upper left corner of the screen, -i if unknown

clientX - the x coordinate of the click event, relative to the upper left corner of the browser viewport, -1 if unknown

clientY - the y coordinate of the click event, relative to the upper left corner of the browser viewport, -1 if unknown

clickCount - the number of consecutive clicks recently recorded

button - the id of the pressed mouse button

ctrlKey - true if the control key was down when the event was fired, false otherwise

shiftKey - true if the shift key was down when the event was fired, false otherwise

altKey - true if the alt key was down when the event was fired, false otherwise

metaKey - true if the meta key was down when the event was fired, false otherwise

ClickEvent

public ClickEvent(Component source)

Creates a new server-side click event with no additional information.

Parameters:

source - the component that fired the event

Method Detail

getClientX

public int getClientX()

Gets the x coordinate of the click event, relative to the upper left corner of the browser viewport.

Returns:

the x coordinate, -1 if unknown

getClientY

public int getClientY()

Gets the y coordinate of the click event, relative to the upper left corner of the browser viewport.

Returns:

the y coordinate, -1 if unknown

getScreenX

public int getScreenX()

Gets the x coordinate of the click event, relative to the upper left corner of the screen.

Returns:

the x coordinate, -1 if unknown

getScreenY

public int getScreenY()

Gets the y coordinate of the click event, relative to the upper left corner of the screen.

Returns:

the y coordinate, -1 if unknown

getClickCount

public int getClickCount()

Gets the number of consecutive clicks recently recorded.

Returns:

the click count

getButton

public int getButton()

Gets the id of the pressed mouse button.

• -1: No button
• 0: The primary button, typically the left mouse button
• 1: The middle button,
• 2: The secondary button, typically the right mouse button
• 3: The first additional button, typically the back button
• 4: The second additional button, typically the forward button
• 5+: More additional buttons without any typical meanings

Returns:

the button id, or -1 if no button was pressed

isCtrlKey

public boolean isCtrlKey()

Checks whether the ctrl key was was down when the event was fired.

Returns:

true if the ctrl key was down when the event was fired, false otherwise

isAltKey

public boolean isAltKey()

Checks whether the alt key was was down when the event was fired.

Returns:

true if the alt key was down when the event was fired, false otherwise

isMetaKey

public boolean isMetaKey()

Checks whether the meta key was was down when the event was fired.

Returns:

true if the meta key was down when the event was fired, false otherwise

isShiftKey

public boolean isShiftKey()

Checks whether the shift key was was down when the event was fired.

Returns:

true if the shift key was down when the event was fired, false otherwise