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com.vaadin.flow.internal.nodefeature.
Class AttachExistingElementFeature
- java.lang.Object
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- com.vaadin.flow.internal.nodefeature.NodeFeature
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- com.vaadin.flow.internal.nodefeature.ServerSideFeature
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- com.vaadin.flow.internal.nodefeature.AttachExistingElementFeature
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All Implemented Interfaces:
public class AttachExistingElementFeature extends ServerSideFeatureTemporary storage of data required to handle existing element attachment callback from the client side.
The data is going to be destroyed once the response from the client side is received.
For internal use only. May be renamed or removed in a future release.
Since:
1.0
Author:
Vaadin Ltd
See Also:
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Constructor Summary
Constructors Constructor Description AttachExistingElementFeature(StateNode node)Creates a new instance for the given node.
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Method Summary
All Methods Modifier and Type Method Description voidforEachChild(Consumer<StateNode> action)Passes each child node instance to the given consumer.
ChildElementConsumergetCallback(StateNode node)Gets callback of the registered
node.Node<?>getParent(StateNode node)Gets parent
Nodeof the registerednode.ElementgetPreviousSibling(StateNode node)Gets previous sibling of the registered
node.voidregister(Node<?> parent, Element previousSibling, StateNode child, ChildElementConsumer callback)Registers the data for the
childnode requested as being attached to an existing element.voidunregister(StateNode node)Unregister the
nodeand clean up all associated data.-
Methods inherited from class com.vaadin.flow.internal.nodefeature.ServerSideFeature
collectChanges, generateChangesFromEmpty
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Methods inherited from class com.vaadin.flow.internal.nodefeature.NodeFeature
allowsChanges, attachPotentialChild, detatchPotentialChild, getNode, onAttach, onDetach
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Constructor Detail
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AttachExistingElementFeature
public AttachExistingElementFeature(StateNode node)Creates a new instance for the given node.
Parameters:
node- the node that the feature belongs to
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Method Detail
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register
public void register(Node<?> parent, Element previousSibling, StateNode child, ChildElementConsumer callback)Registers the data for the
childnode requested as being attached to an existing element.Parameters:
parent- parent node of thechildpreviousSibling- previous sibling for the requested existing elementchild- the state node that is going to be associated with the existing elementcallback- the callback to report the result
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getCallback
public ChildElementConsumer getCallback(StateNode node)Gets callback of the registered
node.Parameters:
node- the registered state nodeReturns:
the registered callback for the
node
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getParent
public Node<?> getParent(StateNode node)Gets parent
Nodeof the registerednode.Parameters:
node- the registered state nodeReturns:
the registered parent for the
node
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getPreviousSibling
public Element getPreviousSibling(StateNode node)Gets previous sibling of the registered
node.Parameters:
node- the registered state nodeReturns:
the registered previous sibling for the
node
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unregister
public void unregister(StateNode node)Unregister the
nodeand clean up all associated data.Parameters:
node- the registered state node
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forEachChild
public void forEachChild(Consumer<StateNode> action)Description copied from class:
NodeFeaturePasses each child node instance to the given consumer.
Overrides:
forEachChildin classServerSideFeatureParameters:
action- the consumer that accepts each child
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