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JavaTM 2 Platform Std. Ed. v1.4.0 |
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java.lang.Object | +--javax.swing.undo.AbstractUndoableEdit | +--javax.swing.undo.CompoundEdit | +--javax.swing.text.AbstractDocument.DefaultDocumentEvent
Stores document changes as the document is being modified. Can subsequently be used for change notification when done with the document modification transaction. This is used by the AbstractDocument class and its extensions for broadcasting change information to the document listeners.
Nested Class Summary |
Nested classes inherited from class javax.swing.event.DocumentEvent |
DocumentEvent.ElementChange, DocumentEvent.EventType |
Field Summary |
Fields inherited from class javax.swing.undo.CompoundEdit |
edits |
Fields inherited from class javax.swing.undo.AbstractUndoableEdit |
RedoName, UndoName |
Constructor Summary | |
AbstractDocument.DefaultDocumentEvent(int offs,
int len,
DocumentEvent.EventType type)
Constructs a change record. |
Method Summary | |
boolean |
addEdit(UndoableEdit anEdit)
Adds a document edit. |
DocumentEvent.ElementChange |
getChange(Element elem)
Gets the changes for an element. |
Document |
getDocument()
Gets the document that sourced the change event. |
int |
getLength()
Returns the length of the change. |
int |
getOffset()
Returns the offset within the document of the start of the change. |
String |
getPresentationName()
Provides a localized, human readable description of this edit suitable for use in, say, a change log. |
String |
getRedoPresentationName()
Provides a localized, human readable description of the redoable form of this edit, e.g. |
DocumentEvent.EventType |
getType()
Returns the type of event. |
String |
getUndoPresentationName()
Provides a localized, human readable description of the undoable form of this edit, e.g. |
boolean |
isSignificant()
DefaultDocument events are significant. |
void |
redo()
Redoes a change. |
String |
toString()
Returns a string description of the change event. |
void |
undo()
Undoes a change. |
Methods inherited from class javax.swing.undo.CompoundEdit |
canRedo, canUndo, die, end, isInProgress, lastEdit |
Methods inherited from class javax.swing.undo.AbstractUndoableEdit |
replaceEdit |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Constructor Detail |
public AbstractDocument.DefaultDocumentEvent(int offs, int len, DocumentEvent.EventType type)
offs
- the offset into the document of the change >= 0len
- the length of the change >= 0type
- the type of event (DocumentEvent.EventType)Method Detail |
public String toString()
toString
in class CompoundEdit
public boolean addEdit(UndoableEdit anEdit)
addEdit
in interface UndoableEdit
addEdit
in class CompoundEdit
anEdit
- a document edit record
public void redo() throws CannotRedoException
redo
in interface UndoableEdit
redo
in class CompoundEdit
CannotRedoException
- if the change cannot be redoneAbstractUndoableEdit.canRedo()
public void undo() throws CannotUndoException
undo
in interface UndoableEdit
undo
in class CompoundEdit
CannotUndoException
- if the change cannot be undoneAbstractUndoableEdit.canUndo()
public boolean isSignificant()
isSignificant
in interface UndoableEdit
isSignificant
in class CompoundEdit
UndoableEdit.isSignificant()
public String getPresentationName()
getPresentationName
in interface UndoableEdit
getPresentationName
in class CompoundEdit
AbstractUndoableEdit.getUndoPresentationName()
,
AbstractUndoableEdit.getRedoPresentationName()
public String getUndoPresentationName()
getUndoPresentationName
in interface UndoableEdit
getUndoPresentationName
in class CompoundEdit
AbstractUndoableEdit.getPresentationName()
public String getRedoPresentationName()
getRedoPresentationName
in interface UndoableEdit
getRedoPresentationName
in class CompoundEdit
AbstractUndoableEdit.getPresentationName()
public DocumentEvent.EventType getType()
getType
in interface DocumentEvent
DocumentEvent.getType()
public int getOffset()
getOffset
in interface DocumentEvent
DocumentEvent.getOffset()
public int getLength()
getLength
in interface DocumentEvent
DocumentEvent.getLength()
public Document getDocument()
getDocument
in interface DocumentEvent
DocumentEvent.getDocument()
public DocumentEvent.ElementChange getChange(Element elem)
getChange
in interface DocumentEvent
elem
- the element
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JavaTM 2 Platform Std. Ed. v1.4.0 |
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