AbstractDocument.ElementEdit
Class AbstractDocument.ElementEdit
- 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.
Fields
Fields inherited from class javax.swing.undo.AbstractUndoableEdit
RedoName, UndoName
Constructors
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:
-
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
Methods
getElement
public Element getElement()
Returns the underlying element.
- Specified by:
-
getElement
in interfaceDocumentEvent.ElementChange
- Returns:
- the element
getIndex
public int getIndex()
Returns the index into the list of elements.
- Specified by:
-
getIndex
in interfaceDocumentEvent.ElementChange
- Returns:
- the index >= 0
getChildrenRemoved
public Element[] getChildrenRemoved()
Gets a list of children that were removed.
- Specified by:
-
getChildrenRemoved
in interfaceDocumentEvent.ElementChange
- Returns:
- the list
getChildrenAdded
public Element[] getChildrenAdded()
Gets a list of children that were added.
- Specified by:
-
getChildrenAdded
in interfaceDocumentEvent.ElementChange
- Returns:
- the list
redo
public void redo() throws CannotRedoException
Redoes a change.
- Specified by:
-
redo
in interfaceUndoableEdit
- Overrides:
-
redo
in classAbstractUndoableEdit
- Throws:
-
CannotRedoException
- if the change cannot be redone - See Also:
AbstractUndoableEdit.canRedo()
undo
public void undo() throws CannotUndoException
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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