Package com.intellij.psi

Class PsiTreeChangeAdapter

java.lang.Object

com.intellij.psi.PsiTreeChangeAdapter

All Implemented Interfaces:

PsiTreeChangeListener, java.util.EventListener

Direct Known Subclasses:

ExternalPSIChangeListener, FileEditorPsiTreeChangeListener, ProjectViewPsiTreeChangeListener, PsiToDocumentSynchronizer, PsiTreeAnyChangeAbstractAdapter

public abstract class PsiTreeChangeAdapter
extends java.lang.Object
implements PsiTreeChangeListener

Default empty implementation of PsiTreeChangeListener.

Constructor Summary

Constructors

Constructor and Description
PsiTreeChangeAdapter()

Method Summary

Modifier and Type	Method and Description
void	beforeChildAddition(PsiTreeChangeEvent event) Invoked just before adding a child to the tree. Parent element is returned by event.getParent(). Added child is returned by event.getChild.
void	beforeChildMovement(PsiTreeChangeEvent event) Invoked just before movement of a child in the tree by changing its parent or by changing its position in the same parent. Child to be moved is returned by event.getChild(). The old parent is returned by event.getOldParent(). The new parent is returned by event.getNewParent().
void	beforeChildRemoval(PsiTreeChangeEvent event) Invoked just before removal of a child from the tree. Child to be removed is returned by event.getChild(). Parent element is returned by event.getParent().
void	beforeChildrenChange(PsiTreeChangeEvent event) Invoked before a mass change of children of the specified node. The parent the nodes of which are changing is returned by event.getParent().
void	beforeChildReplacement(PsiTreeChangeEvent event) Invoked just before replacement of a child in the tree by another element. Child to be replaced is returned by event.getOldChild(). Parent element is returned by event.getParent().
void	beforePropertyChange(PsiTreeChangeEvent event) Invoked just before changing of some property of an element. Element, whose property is to be changed is returned by event.getElement(). The property name is returned by event.getPropertyName(). The old property value is returned by event.getOldValue().
void	childAdded(PsiTreeChangeEvent event) Invoked just after adding of a new child to the tree. The added child is returned by event.getChild(). Parent element is returned by event.getParent().
void	childMoved(PsiTreeChangeEvent event) Invoked just after movement of a child in the tree by changing its parent or by changing its position in the same parent. The moved child is returned by event.getChild(). The old parent is returned by event.getOldParent(). The new parent is returned by event.getNewParent().
void	childRemoved(PsiTreeChangeEvent event) Invoked just after removal of a child from the tree. The removed child is returned by event.getChild().
void	childrenChanged(PsiTreeChangeEvent event) Invoked after a mass change of children of the specified node. The parent the nodes of which have changed is returned by event.getParent().
void	childReplaced(PsiTreeChangeEvent event) Invoked just after replacement of a child in the tree by another element. The replaced child is returned by event.getOldChild().
void	propertyChanged(PsiTreeChangeEvent event) Invoked just after changing of some property of an element. Element, whose property has changed is returned by event.getElement(). The property name is returned by event.getPropertyName(). The old property value is returned by event.getOldValue(). The new property value is returned by event.getNewValue().

Methods inherited from class java.lang.Object

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

Constructor Detail

PsiTreeChangeAdapter

public PsiTreeChangeAdapter()

Method Detail

beforeChildAddition

public void beforeChildAddition(PsiTreeChangeEvent event)

Description copied from interface: PsiTreeChangeListener

Invoked just before adding a child to the tree.
Parent element is returned by event.getParent().
Added child is returned by event.getChild.

Specified by:

beforeChildAddition in interface PsiTreeChangeListener

Parameters:

event - the event object describing the change.

beforeChildRemoval

public void beforeChildRemoval(PsiTreeChangeEvent event)

Description copied from interface: PsiTreeChangeListener

Invoked just before removal of a child from the tree.
Child to be removed is returned by event.getChild().
Parent element is returned by event.getParent().

Specified by:

beforeChildRemoval in interface PsiTreeChangeListener

Parameters:

event - the event object describing the change.

beforeChildReplacement

public void beforeChildReplacement(PsiTreeChangeEvent event)

Description copied from interface: PsiTreeChangeListener

Invoked just before replacement of a child in the tree by another element.
Child to be replaced is returned by event.getOldChild().
Parent element is returned by event.getParent().

Specified by:

beforeChildReplacement in interface PsiTreeChangeListener

Parameters:

event - the event object describing the change.

beforeChildMovement

public void beforeChildMovement(PsiTreeChangeEvent event)

Description copied from interface: PsiTreeChangeListener

Invoked just before movement of a child in the tree by changing its parent or by changing its position in the same parent.
Child to be moved is returned by event.getChild().
The old parent is returned by event.getOldParent().
The new parent is returned by event.getNewParent().

Specified by:

beforeChildMovement in interface PsiTreeChangeListener

Parameters:

event - the event object describing the change.

beforeChildrenChange

public void beforeChildrenChange(PsiTreeChangeEvent event)

Description copied from interface: PsiTreeChangeListener

Invoked before a mass change of children of the specified node.
The parent the nodes of which are changing is returned by event.getParent().

Specified by:

beforeChildrenChange in interface PsiTreeChangeListener

Parameters:

event - the event object describing the change.

beforePropertyChange

public void beforePropertyChange(PsiTreeChangeEvent event)

Description copied from interface: PsiTreeChangeListener

Invoked just before changing of some property of an element.
Element, whose property is to be changed is returned by event.getElement().
The property name is returned by event.getPropertyName().
The old property value is returned by event.getOldValue().

Specified by:

beforePropertyChange in interface PsiTreeChangeListener

Parameters:

event - the event object describing the change.

childAdded

public void childAdded(PsiTreeChangeEvent event)

Description copied from interface: PsiTreeChangeListener

Invoked just after adding of a new child to the tree.
The added child is returned by event.getChild().
Parent element is returned by event.getParent().

Specified by:

childAdded in interface PsiTreeChangeListener

Parameters:

event - the event object describing the change.

childRemoved

public void childRemoved(PsiTreeChangeEvent event)

Description copied from interface: PsiTreeChangeListener

Invoked just after removal of a child from the tree.
The removed child is returned by event.getChild(). Note that only equals(), hashCode(), isValid() methods can be safely invoked for this element, because it's not valid anymore.
Parent element is returned by event.getParent().

Specified by:

childRemoved in interface PsiTreeChangeListener

Parameters:

event - the event object describing the change.

childReplaced

public void childReplaced(PsiTreeChangeEvent event)

Description copied from interface: PsiTreeChangeListener

Invoked just after replacement of a child in the tree by another element.
The replaced child is returned by event.getOldChild(). Note that only equals(), hashCode(), isValid() methods can be safely invoked for this element, because it's not valid anymore.
The new child is returned by event.getNewChild().
Parent element is returned by event.getParent().

Specified by:

childReplaced in interface PsiTreeChangeListener

Parameters:

event - the event object describing the change.

childMoved

public void childMoved(PsiTreeChangeEvent event)

Description copied from interface: PsiTreeChangeListener

Invoked just after movement of a child in the tree by changing its parent or by changing its position in the same parent.
The moved child is returned by event.getChild().
The old parent is returned by event.getOldParent().
The new parent is returned by event.getNewParent().

Specified by:

childMoved in interface PsiTreeChangeListener

Parameters:

event - the event object describing the change.

childrenChanged

public void childrenChanged(PsiTreeChangeEvent event)

Description copied from interface: PsiTreeChangeListener

Invoked after a mass change of children of the specified node.
The parent the nodes of which have changed is returned by event.getParent().

Specified by:

childrenChanged in interface PsiTreeChangeListener

Parameters:

event - the event object describing the change.

propertyChanged

public void propertyChanged(PsiTreeChangeEvent event)

Description copied from interface: PsiTreeChangeListener

Invoked just after changing of some property of an element.
Element, whose property has changed is returned by event.getElement().
The property name is returned by event.getPropertyName().
The old property value is returned by event.getOldValue().
The new property value is returned by event.getNewValue().

Specified by:

propertyChanged in interface PsiTreeChangeListener

Parameters:

event - the event object describing the change.