java.lang.Object
javax.swing.undo.AbstractUndoableEdit
javax.swing.text.AbstractDocument.ElementEdit
- All Implemented Interfaces:
Serializable
,DocumentEvent.ElementChange
,UndoableEdit
- Enclosing class:
- AbstractDocument
public static class AbstractDocument.ElementEdit extends AbstractUndoableEdit implements DocumentEvent.ElementChange
An implementation of ElementChange that can be added to the document
event.
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Field Summary
Fields declared in class javax.swing.undo.AbstractUndoableEdit
RedoName, UndoName
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Constructor Summary
Constructors Constructor Description ElementEdit(Element e, int index, Element[] removed, Element[] added)
Constructs an edit record. -
Method Summary
Modifier and Type Method Description Element[]
getChildrenAdded()
Gets a list of children that were added.Element[]
getChildrenRemoved()
Gets a list of children that were removed.Element
getElement()
Returns the underlying element.int
getIndex()
Returns the index into the list of elements.void
redo()
Redoes a change.void
undo()
Undoes a change.Methods declared in class javax.swing.undo.AbstractUndoableEdit
addEdit, canRedo, canUndo, die, getPresentationName, getRedoPresentationName, getUndoPresentationName, isSignificant, replaceEdit, toString
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Constructor Details
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ElementEdit
Constructs an edit record. This does not modify the element so it can safely be used to catch up a view to the current model state for views that just attached to a model.- Parameters:
e
- the elementindex
- the index into the model >= 0removed
- a set of elements that were removedadded
- a set of elements that were added
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Method Details
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getElement
Returns the underlying element.- Specified by:
getElement
in interfaceDocumentEvent.ElementChange
- Returns:
- the element
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getIndex
public int getIndex()Returns the index into the list of elements.- Specified by:
getIndex
in interfaceDocumentEvent.ElementChange
- Returns:
- the index >= 0
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getChildrenRemoved
Gets a list of children that were removed.- Specified by:
getChildrenRemoved
in interfaceDocumentEvent.ElementChange
- Returns:
- the list
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getChildrenAdded
Gets a list of children that were added.- Specified by:
getChildrenAdded
in interfaceDocumentEvent.ElementChange
- Returns:
- the list
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redo
Redoes a change.- Specified by:
redo
in interfaceUndoableEdit
- Overrides:
redo
in classAbstractUndoableEdit
- Throws:
CannotRedoException
- if the change cannot be redone- See Also:
AbstractUndoableEdit.canRedo()
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undo
Undoes a change.- Specified by:
undo
in interfaceUndoableEdit
- Overrides:
undo
in classAbstractUndoableEdit
- Throws:
CannotUndoException
- if the change cannot be undone- See Also:
AbstractUndoableEdit.canUndo()
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