undomanager.html

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</DD>
<DD><DL>
<DT><B>See Also: </B><DD><A HREF="../../../javax/swing/undo/UndoManager.html#canUndoOrRedo()"><CODE>canUndoOrRedo()</CODE></A>, 
<A HREF="../../../javax/swing/undo/UndoManager.html#getUndoOrRedoPresentationName()"><CODE>getUndoOrRedoPresentationName()</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="canUndoOrRedo()"><!-- --></A><H3>
canUndoOrRedo</H3>
<PRE>
public boolean <B>canUndoOrRedo</B>()</PRE>
<DL>
<DD>Return true if calling undoOrRedo will undo or redo. Suitable
 for deciding to enable a command that toggles between the two
 functions, which only makes sense to use if limit == 1.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>See Also: </B><DD><A HREF="../../../javax/swing/undo/UndoManager.html#undoOrRedo()"><CODE>undoOrRedo()</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="undo()"><!-- --></A><H3>
undo</H3>
<PRE>
public void <B>undo</B>()
          throws <A HREF="../../../javax/swing/undo/CannotUndoException.html">CannotUndoException</A></PRE>
<DL>
<DD>If this UndoManager is inProgress, undo the last significant
 UndoableEdit before indexOfNextAdd, and all insignificant edits back to
 it. Updates indexOfNextAdd accordingly.

 <p>If not inProgress, indexOfNextAdd is ignored and super's routine is
 called.</p><DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../javax/swing/undo/CompoundEdit.html#undo()">undo</A></CODE> in class <CODE><A HREF="../../../javax/swing/undo/CompoundEdit.html">CompoundEdit</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>See Also: </B><DD><A HREF="../../../javax/swing/undo/CompoundEdit.html#end()"><CODE>CompoundEdit.end()</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="canUndo()"><!-- --></A><H3>
canUndo</H3>
<PRE>
public boolean <B>canUndo</B>()</PRE>
<DL>
<DD>Overridden to preserve usual semantics: returns true if an undo
 operation would be successful now, false otherwise<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../javax/swing/undo/CompoundEdit.html#canUndo()">canUndo</A></CODE> in class <CODE><A HREF="../../../javax/swing/undo/CompoundEdit.html">CompoundEdit</A></CODE></DL>
</DD>
<DD>Following copied from class: <CODE>javax.swing.undo.CompoundEdit</CODE></DD>
<DD><DL>
<DT><B>See Also: </B><DD><A HREF="../../../javax/swing/undo/CompoundEdit.html#isInProgress()"><CODE>CompoundEdit.isInProgress()</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="redo()"><!-- --></A><H3>
redo</H3>
<PRE>
public void <B>redo</B>()
          throws <A HREF="../../../javax/swing/undo/CannotRedoException.html">CannotRedoException</A></PRE>
<DL>
<DD>If this UndoManager is inProgress, redoes the last significant
 UndoableEdit at indexOfNextAdd or after, and all insignificant
 edits up to it. Updates indexOfNextAdd accordingly.

 <p>If not inProgress, indexOfNextAdd is ignored and super's routine is
 called.</p><DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../javax/swing/undo/CompoundEdit.html#redo()">redo</A></CODE> in class <CODE><A HREF="../../../javax/swing/undo/CompoundEdit.html">CompoundEdit</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>See Also: </B><DD><A HREF="../../../javax/swing/undo/CompoundEdit.html#end()"><CODE>CompoundEdit.end()</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="canRedo()"><!-- --></A><H3>
canRedo</H3>
<PRE>
public boolean <B>canRedo</B>()</PRE>
<DL>
<DD>Overridden to preserve usual semantics: returns true if a redo
 operation would be successful now, false otherwise<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../javax/swing/undo/CompoundEdit.html#canRedo()">canRedo</A></CODE> in class <CODE><A HREF="../../../javax/swing/undo/CompoundEdit.html">CompoundEdit</A></CODE></DL>
</DD>
<DD>Following copied from class: <CODE>javax.swing.undo.CompoundEdit</CODE></DD>
<DD><DL>
<DT><B>See Also: </B><DD><A HREF="../../../javax/swing/undo/CompoundEdit.html#isInProgress()"><CODE>CompoundEdit.isInProgress()</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="addEdit(javax.swing.undo.UndoableEdit)"><!-- --></A><H3>
addEdit</H3>
<PRE>
public boolean <B>addEdit</B>(<A HREF="../../../javax/swing/undo/UndoableEdit.html">UndoableEdit</A>&nbsp;anEdit)</PRE>
<DL>
<DD>If inProgress, inserts anEdit at indexOfNextAdd, and removes
 any old edits that were at indexOfNextAdd or later. The die
 method is called on each edit that is removed is sent, in the
 reverse of the order the edits were added. Updates
 indexOfNextAdd.

 <p>If not inProgress, acts as a CompoundEdit</p><DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../javax/swing/undo/CompoundEdit.html#addEdit(javax.swing.undo.UndoableEdit)">addEdit</A></CODE> in class <CODE><A HREF="../../../javax/swing/undo/CompoundEdit.html">CompoundEdit</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>See Also: </B><DD><A HREF="../../../javax/swing/undo/CompoundEdit.html#end()"><CODE>CompoundEdit.end()</CODE></A>, 
<A HREF="../../../javax/swing/undo/CompoundEdit.html#addEdit(javax.swing.undo.UndoableEdit)"><CODE>CompoundEdit.addEdit(javax.swing.undo.UndoableEdit)</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="end()"><!-- --></A><H3>
end</H3>
<PRE>
public void <B>end</B>()</PRE>
<DL>
<DD>Sending end() to an UndoManager turns it into a plain old
 (ended) CompoundEdit.

 <p> Calls super's end() method (making inProgress false), then
 sends die() to the unreachable edits at indexOfNextAdd and
 beyond, in the reverse of the order in which they were added.<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../javax/swing/undo/CompoundEdit.html#end()">end</A></CODE> in class <CODE><A HREF="../../../javax/swing/undo/CompoundEdit.html">CompoundEdit</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>See Also: </B><DD><A HREF="../../../javax/swing/undo/CompoundEdit.html#end()"><CODE>CompoundEdit.end()</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="getUndoOrRedoPresentationName()"><!-- --></A><H3>
getUndoOrRedoPresentationName</H3>
<PRE>
public <A HREF="../../../java/lang/String.html">String</A> <B>getUndoOrRedoPresentationName</B>()</PRE>
<DL>
<DD>Return the appropriate name for a command that toggles between
 undo and redo.  Only makes sense to use such a command if limit
 == 1 and we're not in progress.<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="getUndoPresentationName()"><!-- --></A><H3>
getUndoPresentationName</H3>
<PRE>
public <A HREF="../../../java/lang/String.html">String</A> <B>getUndoPresentationName</B>()</PRE>
<DL>
<DD>If inProgress, returns getUndoPresentationName of the
 significant edit that will be undone when undo() is invoked.
 If there is none, returns AbstractUndoableEdit.UndoName</p>
 
 <p>If not inProgress, acts as a CompoundEdit</p><DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../javax/swing/undo/CompoundEdit.html#getUndoPresentationName()">getUndoPresentationName</A></CODE> in class <CODE><A HREF="../../../javax/swing/undo/CompoundEdit.html">CompoundEdit</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>See Also: </B><DD><A HREF="../../../javax/swing/undo/UndoManager.html#undo()"><CODE>undo()</CODE></A>, 
<A HREF="../../../javax/swing/undo/CompoundEdit.html#getUndoPresentationName()"><CODE>CompoundEdit.getUndoPresentationName()</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="getRedoPresentationName()"><!-- --></A><H3>
getRedoPresentationName</H3>
<PRE>
public <A HREF="../../../java/lang/String.html">String</A> <B>getRedoPresentationName</B>()</PRE>
<DL>
<DD>If inProgress, returns getRedoPresentationName of the
 significant edit that will be redone when redo() is invoked.
 If there is none, returns AbstractUndoableEdit.RedoName
 
 <p>If not inProgress, acts as a CompoundEdit</p><DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../javax/swing/undo/CompoundEdit.html#getRedoPresentationName()">getRedoPresentationName</A></CODE> in class <CODE><A HREF="../../../javax/swing/undo/CompoundEdit.html">CompoundEdit</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>See Also: </B><DD><A HREF="../../../javax/swing/undo/UndoManager.html#redo()"><CODE>redo()</CODE></A>, 
<A HREF="../../../javax/swing/undo/CompoundEdit.html#getUndoPresentationName()"><CODE>CompoundEdit.getUndoPresentationName()</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="undoableEditHappened(javax.swing.event.UndoableEditEvent)"><!-- --></A><H3>
undoableEditHappened</H3>
<PRE>
public void <B>undoableEditHappened</B>(<A HREF="../../../javax/swing/event/UndoableEditEvent.html">UndoableEditEvent</A>&nbsp;e)</PRE>
<DL>
<DD>Called by the UndoabledEdit sources this UndoManager listens
 to. Calls addEdit with e.getEdit().<DD><DL>
<DT><B>Specified by: </B><DD><CODE><A HREF="../../../javax/swing/event/UndoableEditListener.html#undoableEditHappened(javax.swing.event.UndoableEditEvent)">undoableEditHappened</A></CODE> in interface <CODE><A HREF="../../../javax/swing/event/UndoableEditListener.html">UndoableEditListener</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>See Also: </B><DD><A HREF="../../../javax/swing/undo/UndoManager.html#addEdit(javax.swing.undo.UndoableEdit)"><CODE>addEdit(javax.swing.undo.UndoableEdit)</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="toString()"><!-- --></A><H3>
toString</H3>
<PRE>
public <A HREF="../../../java/lang/String.html">String</A> <B>toString</B>()</PRE>
<DL>
<DD>Returns a string that displays and identifies this
 object's properties.<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../javax/swing/undo/CompoundEdit.html#toString()">toString</A></CODE> in class <CODE><A HREF="../../../javax/swing/undo/CompoundEdit.html">CompoundEdit</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>a String representation of this object</DL>
</DD>
</DL>
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