javax.swing.text
Class AbstractDocument.ElementEdit
- java.lang.Object
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- javax.swing.undo.AbstractUndoableEdit
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- javax.swing.text.AbstractDocument.ElementEdit
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- 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
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Fields inherited from class javax.swing.undo.AbstractUndoableEdit
RedoName, UndoName
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Constructor Summary
Constructors Constructor and Description ElementEdit(Element e, int index, Element[] removed, Element[] added)Constructs an edit record.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method and Description Element[]getChildrenAdded()Gets a list of children that were added.Element[]getChildrenRemoved()Gets a list of children that were removed.ElementgetElement()Returns the underlying element.intgetIndex()Returns the index into the list of elements.voidredo()Redoes a change.voidundo()Undoes a change.-
Methods inherited from class javax.swing.undo.AbstractUndoableEdit
addEdit, canRedo, canUndo, die, getPresentationName, getRedoPresentationName, getUndoPresentationName, isSignificant, replaceEdit, toString
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Constructor Detail
ElementEdit
public ElementEdit(Element e, int index, Element[] removed, Element[] added)
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:
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e- the element -
index- the index into the model >= 0 -
removed- a set of elements that were removed -
added- a set of elements that were added
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Method Detail
getElement
public Element getElement()
Returns the underlying element.- Specified by:
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getElementin interfaceDocumentEvent.ElementChange - Returns:
- the element
getIndex
public int getIndex()
Returns the index into the list of elements.- Specified by:
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getIndexin interfaceDocumentEvent.ElementChange - Returns:
- the index >= 0
getChildrenRemoved
public Element[] getChildrenRemoved()
Gets a list of children that were removed.- Specified by:
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getChildrenRemovedin interfaceDocumentEvent.ElementChange - Returns:
- the list
getChildrenAdded
public Element[] getChildrenAdded()
Gets a list of children that were added.- Specified by:
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getChildrenAddedin interfaceDocumentEvent.ElementChange - Returns:
- the list
redo
public void redo() throws CannotRedoExceptionRedoes a change.- Specified by:
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redoin interfaceUndoableEdit - Overrides:
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redoin classAbstractUndoableEdit - Throws:
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CannotRedoException- if the change cannot be redone - See Also:
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AbstractUndoableEdit.canRedo()
undo
public void undo() throws CannotUndoExceptionUndoes a change.- Specified by:
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undoin interfaceUndoableEdit - Overrides:
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undoin classAbstractUndoableEdit - Throws:
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CannotUndoException- if the change cannot be undone - See Also:
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AbstractUndoableEdit.canUndo()
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