ssclient
Class SiGMLUndoController

java.lang.Object
  ssclient.SiGMLUndoController

public class SiGMLUndoController
extends java.lang.Object

Undo/redo support for SiGML text editing.

Constructor Summary

SiGMLUndoController(javax.swing.JTextArea tsigml)
Constructs a new SiGML undo controller for the given SiGML text area.

Method Summary

void	beginSupportForNewSiGML() Set up a new edit/undo data for a new SiGML text.
void	endSupportForOldSiGML() Discards edit/undo data for the old SiGML text prior to its being discarded.
void	setCleanSiGMLText() Marks the current status of the present SiGML text as clean, achieved by discarding its undoable edit list and creating a new empty edit list for it.
boolean	sigmlTextIsDirty() Tests whether the current SiGML text is dirty, that is, whether it has been edited since it was last saved to or read from its underlying file.

Methods inherited from class java.lang.Object

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

Constructor Detail

SiGMLUndoController

public SiGMLUndoController(javax.swing.JTextArea tsigml)

Constructs a new SiGML undo controller for the given SiGML text area.

Method Detail

sigmlTextIsDirty

public boolean sigmlTextIsDirty()

Tests whether the current SiGML text is dirty, that is, whether it has been edited since it was last saved to or read from its underlying file.

setCleanSiGMLText

public void setCleanSiGMLText()

Marks the current status of the present SiGML text as clean, achieved by discarding its undoable edit list and creating a new empty edit list for it.

endSupportForOldSiGML

public void endSupportForOldSiGML()

Discards edit/undo data for the old SiGML text prior to its being discarded.

beginSupportForNewSiGML

public void beginSupportForNewSiGML()

Set up a new edit/undo data for a new SiGML text.