com.vaadin.client.ui.textfield

Class ValueChangeHandler

java.lang.Object

com.vaadin.client.ui.textfield.ValueChangeHandler

public class ValueChangeHandler
extends Object

Helper for dealing with scheduling value change events based on a given mode and possibly timeout.

Since:

8.0

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	ValueChangeHandler.Owner Must be implemented by any user of a ValueChangeHandler.

Constructor Summary

Constructors

Constructor and Description
ValueChangeHandler(ValueChangeHandler.Owner owner) Creates a value change handler for the given owner.

Method Summary

Modifier and Type	Method and Description
boolean	isScheduled() Checks whether the value change is scheduled for sending.
void	scheduleValueChange() Called whenever a change in the value has been detected.
void	setValueChangeMode(ValueChangeMode valueChangeMode) Sets the value change mode to use.
void	setValueChangeTimeout(int valueChangeTimeout) Sets the value change timeout to use.

Methods inherited from class java.lang.Object

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

Constructor Detail

ValueChangeHandler

public ValueChangeHandler(ValueChangeHandler.Owner owner)

Creates a value change handler for the given owner.

Parameters:

owner - the owner connector

Method Detail

scheduleValueChange

public void scheduleValueChange()

Called whenever a change in the value has been detected. Schedules a value change to be sent to the server, depending on the current value change mode.

Note that this method does not consider the ValueChangeMode.BLUR mode but assumes that #sendValueChange() is called directly for this mode.

setValueChangeMode

public void setValueChangeMode(ValueChangeMode valueChangeMode)

Sets the value change mode to use.

Parameters:

valueChangeMode - the value change mode to use

See Also:

ValueChangeMode

setValueChangeTimeout

public void setValueChangeTimeout(int valueChangeTimeout)

Sets the value change timeout to use.

Parameters:

valueChangeTimeout - the value change timeout

See Also:

ValueChangeMode

isScheduled

public boolean isScheduled()

Checks whether the value change is scheduled for sending.

Returns:

true if value change is scheduled for sending, false otherwise

Since:

8.0