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com.vaadin.flow.component.
Package com.vaadin.flow.component
Class AbstractField.ComponentValueChangeEvent<C extends Component,V>
java.lang.Object
java.util.EventObject
com.vaadin.flow.component.ComponentEvent<C>
com.vaadin.flow.component.AbstractField.ComponentValueChangeEvent<C,V>
Type Parameters:
C - the source component type
V - the value type
All Implemented Interfaces:
Direct Known Subclasses:
Enclosing class:
AbstractField<C extends AbstractField<C,
public static class AbstractField.ComponentValueChangeEvent<C extends Component,V>
extends ComponentEvent<C>
implements HasValue.ValueChangeEvent<V>
Value change event fired by components.
Since:
1.0
Author:
Vaadin Ltd
See Also:
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Field Summary
Fields inherited from class java.util.EventObject
source -
Constructor Summary
ConstructorsConstructorDescriptionComponentValueChangeEvent(C source, HasValue<?, V> hasValue, V oldValue, boolean fromClient) Creates a new component value change event.
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Method Summary
Methods inherited from class com.vaadin.flow.component.ComponentEvent
getSource, isFromClient, unregisterListenerMethods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, waitMethods inherited from interface com.vaadin.flow.component.HasValue.ValueChangeEvent
isFromClient
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Constructor Details
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ComponentValueChangeEvent
Creates a new component value change event.
Parameters:
source- the source componenthasValue- the HasValue from which the value originatesoldValue- the old valuefromClient- whether the value change originated from the client
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Method Details
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getOldValue
Description copied from interface:
HasValue.ValueChangeEventReturns the value of the source before this value change event occurred.
Specified by:
getOldValuein interfaceHasValue.ValueChangeEvent<C extends Component>Returns:
the value previously held by the source of this event
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getValue
Description copied from interface:
HasValue.ValueChangeEventReturns the new value that triggered this value change event.
Specified by:
getValuein interfaceHasValue.ValueChangeEvent<C extends Component>Returns:
the new value
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getHasValue
This is typically the same instance as
ComponentEvent.getSource(), but in some cases theHasValueimplementation is separated from the component implementation.Specified by:
getHasValuein interfaceHasValue.ValueChangeEvent<C extends Component> -
toString
Overrides:
toStringin classEventObject
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