Re: Dynamically update TreeTable model

2010-01-19 Thread prati

Hi i too am facing  this problem.

When i refresh the page the tree collapses to its original state.

Please guide me how to solve this

Thanks
Prati

CrocodileShoes wrote:
 
 I've finally got this working by extending DefaultTreeState and overriding
 the isNodeSelected to calculate the selection based upon the wicket model
 containing the data.  This makes more sense since the tree's state is
 representative of the actual data now!
 

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Re: Dynamically update TreeTable model

2009-04-24 Thread CrocodileShoes

Thanks for the info, James.  I've read through the api and the tutorial on
the sun site but am not much closer to finding a solution.

Perhaps if I explain the full case somebody might have some advice.  I'm
also considering whether a tree is the best structure.

I have a wicket model that wraps up a an object that has all the information
to be displayed in the tree.  It's easy enough to build a tree and display
this to the user from this model.

My problem is updating it after a user click.  When a node is selected it
triggers a data update from database which updates the object the wicket
model wraps and therefore means the tree is completely different.  It's
exactly what happens when you narrow down your searches on an online store
or ebay.  So it's not a case of inserting or removing a node or two because
typically the only node that stays the same is the selected one.



James McLaughlin-3 wrote:
 
 You should not recreate the TreeModel and for most cases DefaultTreeModel
 is
 what you want. If you are adding a node, add it with:
 
 http://java.sun.com/javase/6/docs/api/javax/swing/tree/DefaultTreeModel.html#insertNodeInto(javax.swing.tree.MutableTreeNode,%20javax.swing.tree.MutableTreeNode,%20int)
 
 which will notify all the listeners, such as the wicket tree
 
 On Wed, Apr 22, 2009 at 10:56 AM, CrocodileShoes
 mark.do...@logica.comwrote:
 

 I have the same problem but with a different tree use case.  I'm
 implementing
 a facet search which needs to update the tree after a user selects a tree
 node (facet).  If I recreate the tree model like you were doing it
 doesn't
 persistent the selection, obviously.

 I'm not experienced with Swings trees but I think I may have to implment
 my
 own TreeModel.

 Does anybody have the solution for this?


 jchappelle wrote:
 
  I have a TreeTable and I have links within it. When a user clicks a
 link
  they are presented with a modal window with a FileUpload component in
 it.
  When they upload a new file and click close on the modal window, the
  TreeTable is not updated. I tried to use a LoadableDetachableModel that
  returns a DefaultTreeModel but if I do that then every time I click to
  expand a folder node the tree refreshes the model and the tree state
 and
  the icon doesn't expand(i'm guessing it's because the treestate gets
  recreated?).
 
  I searched but couldn't find anyone with this specific problem in the
  forum. Can someone please help?
 
  I am using wicket 1.3.4.
 
  Thanks,
 
  Josh
 

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 -- 
 Jim McLaughlin
 Lead Software Engineer
 Stonewater Control Systems
 (o) 847.864.1060 x107
 (c) 773.416.0994
 
 

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Re: Dynamically update TreeTable model

2009-04-24 Thread CrocodileShoes

I've finally got this working by extending DefaultTreeState and overriding
the isNodeSelected to calculate the selection based upon the wicket model
containing the data.  This makes more sense since the tree's state is
representative of the actual data now!
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Re: Dynamically update TreeTable model

2009-04-22 Thread CrocodileShoes

I have the same problem but with a different tree use case.  I'm implementing
a facet search which needs to update the tree after a user selects a tree
node (facet).  If I recreate the tree model like you were doing it doesn't
persistent the selection, obviously.

I'm not experienced with Swings trees but I think I may have to implment my
own TreeModel.

Does anybody have the solution for this?


jchappelle wrote:
 
 I have a TreeTable and I have links within it. When a user clicks a link
 they are presented with a modal window with a FileUpload component in it.
 When they upload a new file and click close on the modal window, the
 TreeTable is not updated. I tried to use a LoadableDetachableModel that
 returns a DefaultTreeModel but if I do that then every time I click to
 expand a folder node the tree refreshes the model and the tree state and
 the icon doesn't expand(i'm guessing it's because the treestate gets
 recreated?). 
 
 I searched but couldn't find anyone with this specific problem in the
 forum. Can someone please help?
 
 I am using wicket 1.3.4.
 
 Thanks,
 
 Josh
 

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Re: Dynamically update TreeTable model

2009-04-22 Thread James McLaughlin
You should not recreate the TreeModel and for most cases DefaultTreeModel is
what you want. If you are adding a node, add it with:

http://java.sun.com/javase/6/docs/api/javax/swing/tree/DefaultTreeModel.html#insertNodeInto(javax.swing.tree.MutableTreeNode,%20javax.swing.tree.MutableTreeNode,%20int)

which will notify all the listeners, such as the wicket tree

On Wed, Apr 22, 2009 at 10:56 AM, CrocodileShoes mark.do...@logica.comwrote:


 I have the same problem but with a different tree use case.  I'm
 implementing
 a facet search which needs to update the tree after a user selects a tree
 node (facet).  If I recreate the tree model like you were doing it doesn't
 persistent the selection, obviously.

 I'm not experienced with Swings trees but I think I may have to implment my
 own TreeModel.

 Does anybody have the solution for this?


 jchappelle wrote:
 
  I have a TreeTable and I have links within it. When a user clicks a link
  they are presented with a modal window with a FileUpload component in it.
  When they upload a new file and click close on the modal window, the
  TreeTable is not updated. I tried to use a LoadableDetachableModel that
  returns a DefaultTreeModel but if I do that then every time I click to
  expand a folder node the tree refreshes the model and the tree state and
  the icon doesn't expand(i'm guessing it's because the treestate gets
  recreated?).
 
  I searched but couldn't find anyone with this specific problem in the
  forum. Can someone please help?
 
  I am using wicket 1.3.4.
 
  Thanks,
 
  Josh
 

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-- 
Jim McLaughlin
Lead Software Engineer
Stonewater Control Systems
(o) 847.864.1060 x107
(c) 773.416.0994


Dynamically update TreeTable model

2008-12-17 Thread jchappelle

I have a TreeTable and I have links within it. When a user clicks a link they
are presented with a modal window with a FileUpload component in it. When
they upload a new file and click close on the modal window, the TreeTable is
not updated. I tried to use a LoadableDetachableModel that returns a
DefaultTreeModel but if I do that then every time I click to expand a folder
node the tree refreshes the model and the tree state and the icon doesn't
expand(i'm guessing it's because the treestate gets recreated?). 

I searched but couldn't find anyone with this specific problem in the forum.
Can someone please help?

Thanks,

Josh
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