Adding undo action to DefaultTreeModel

Is it possible to add undo/ redo actions to a DefaultTreeModel using some inbuilt java class (like java.swing.undo) ?
Please note that, by undo action I mean to undo an addition / deletion / linking of tree nodes.
If yes, is it possible for someone to provide a [SSCCE |http://mindprod.com/jgloss/sscce.html] or some hints ...

make use of ActionMap and ImageMap:
//the action
Action theAction = new AbstractAction("New") {
public void actionPerformed(ActionEvent e) {
//do action
//accelerator for action
theAction.putValue(AbstractAction.ACCELERATOR_KEY, KeyStroke.getKeyStroke("control N"));
//input map and action map from table
InputMap im = table.getInputMap(JTable.WHEN_FOCUSED);
ActionMap am = table.getActionMap();
am.put("New", theAction);
im.put((KeyStroke)theAction.getValue(Action.ACCELERATOR_KEY), "New");

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Photoshop Help | Adding conditional actions | CC, CS6

This question was posted in response to the following article: http://helpx.adobe.com/photoshop/using/conditional-actions-creative-cloud.html

David Mac Do
Conditional actions are not a big deal. In reality they are a one line script built into the fly-out menu and the feature only support a limited number of conditions. To phrase the script in english is a simple one liner
If Document (condition pulldown list) selected is true Play true action in set(selected) else Play false action in set (selected). Actions do not need to be select for both true and false. One selection may do what is needed.
All three supported Photoshop supported scripting languages have support for an "if" statement.
A javascript was posted years ago "Siva's Photoshop Conditional Action.jsx" do a serach.
Actions can use scripts and scripts can do actions
example
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Crafting Actions PackageUPDATED Aug 10, 2014 Added Conditional Action steps to Action Palette Tips.
Contains
Action Actions Palette Tips.txt
Action Creation Guidelines.txt
Action Dealing with Image Size.txt
Action Enhanced via Scripted Photoshop Functions.txt
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I dont have any Undo actions in Indesign CC2014. Why??

I dont have any Undo actions in Indesign CC2014. Why??

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The only idea that comes to mind is that you don't have Photoshop CS2 installed. You need the application installed for the actions to work since the actions use the application. So, without the application, the actions will not show up.
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Hi All,
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[wlpi_err.gif]

Fred
It appears that you have not created the repository tables. Please go to
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Tony
"Fred" <[email protected]> wrote in message
news:3b7a2a09$[email protected]..
>
Hi All,
I'm using WLPI2.0 with Weblogic server 6.0 SP2. Every time I want to add anew
action to a workflow task in the studio, the error dialog shown in theattachment
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>
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Fred

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make use of ActionMap and ImageMap:
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[edit] Maybe I took things a little out of context? [/edit]
Bill
(Mid-Level minion.)
My support system ensures that I don't look totally incompetent.
Proud to say that I've progressed beyond knowing just enough to be dangerous. I now know enough to know that I have no clue about anything at all.

Adding undo action to DefaultTreeModel

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