one more problem:
when init, i do many times:
categoriesTree.getTreeState().getSelectionModel().addSelectionPath(treePath);
But the component is not rendered with this check checked ??
Do i need to do something speciel for the component ?
/Frank
On Sunday 17 July 2005 23:29, frank bengtsson wrote:
> solved problem number 2)
>
> Let me know if any has some input on 1) :)
>
> /Frank B.
>
> On Sunday 17 July 2005 22:13, frank bengtsson wrote:
> > Thx :)
> >
> > Not quite done yet though, one problem remaining:
> >
> > 1) i have Inputfields above this selection tree..but..when you change
> > something in the tree, well you loose youre values in the
> > inputfields...so i have to find a way to remember the current
> > values...the tree is on the same form as the inputfields..but i like to
> > read the tree "onsubmit()"
> >
> > 2) I am having trouble making the checkbox image itself change visually ,
> > when i click the checkbox in the tree . But the image is put on the link
> > ? Somehow i have to move the image thing into the onClick() method ???
> > below fails with "nodeLink may not have been initialized"
> >
> > final Link nodeLink = new Link("nodeLink")
> > {
> > public void onClick()
> > {
> > nodeLinkClicked(treenode);
> > getModel().setObject(nodeLink, getNodeImage(treenode));
> > // Is this the
> > way to do it ?
> > }
> > };
> > nodeLink.add(getNodeImage(treenode));
> > add(nodeLink);
> >
> >
> > I could make an checkbox selection tree example, but i very busy rigth
> > now..my vacation starts on Tuesday and lasts for 3 weeks..maybe i will
> > find the time in my vacation..no promises :)
> >
> > I also have to do an article on Wicket..so we must wait and see when i
> > get a chance..but sure i would be happy to contribute !
> >
> > I was thinking of calling it "Why Wicket Wins" or "Working With Wicket"
> > hope that is ok :)
> >
> > I like this forum very much..kind of like the old days with IntellliJ's
> > IDEA :)
> >
> > /Frank B.
> >
> > On Sunday 17 July 2005 19:40, Eelco Hillenius wrote:
> > > Thanks, looks good! I committed it for 1.1. Actually, I don't think it
> > > is that quick and dirty... can't think of another, nicer way to do it.
> > >
> > > Are you interested in contributing to wicket-examples? Sounds like a
> > > nice example to have, a tree with checkboxes.
> > >
> > > Eelco
> > >
> > > frank bengtsson wrote:
> > > >ok, this is maybe quick and dirty, but it works for me
> > > >
> > > >I now have a tree checkboxes and able to keep state on serverside
> > > >and it actually works very well :)
> > > >
> > > >Not sure how this affects, if youre only interested in
> > > > single-selection. But i think this works also:
> > > >
> > > >TreeState.java
> > > >
> > > > public void setSelectedPath(TreePath selection)
> > > > {
> > > > setExpandedState(selection, true);
> > > > this.selectedPath = selection;
> > > > if (treeSelectionModel.isPathSelected(selection)) { // Hack
> > > > treeSelectionModel.removeSelectionPath(selection);
> > > > } else {
> > > > treeSelectionModel.addSelectionPath(selection);
> > > > }
> > > > }
> > > >
> > > >
> > > >TreeState.java:
> > > >
> > > >protected final TreeState newTreeState(final TreeModel treeModel,
> > > > final boolean rootVisible)
> > > > {
> > > > final TreeState treeState = new TreeState();
> > > > final TreeSelectionModel treeSelectionModel = new
> > > >DefaultTreeSelectionModel();
> > > >treeSelectionModel.setSelectionMode(TreeSelectionModel.DISCONTIGUOUS_T
> > > >RE E_ SELECTION); treeState.setModel(treeModel);
> > > > treeState.setSelectionModel(treeSelectionModel);
> > > > treeState.setRootVisible(rootVisible);
> > > > treeModel.addTreeModelListener(treeState);
> > > > return treeState;
> > > > }
> > > >
> > > >
> > > >/Frank B
> > > >
> > > >On Sunday 17 July 2005 18:06, Eelco Hillenius wrote:
> > > >>You, sure we are interested! And if you're done quick enough, we
> > > >> could put it in 1.1 still (hopefully we'll make it tonight, but
> > > >> there's a lot of work still to be done and some discussions soak up
> > > >> a lot of time, so it might be later this week).
> > > >>
> > > >>Eelco
> > > >>
> > > >>frank bengtsson wrote:
> > > >>>i got it working with some addons TreeState.java, multiple
> > > >>> selections where not propergated to the model holding multiple
> > > >>> selections...so far it looks ok..i will let you know when i am done
> > > >>> or other problems if you are interested ;)
> > > >>>
> > > >>>/Frank B.
> > > >>>
> > > >>>On Sunday 17 July 2005 16:15, Eelco Hillenius wrote:
> > > >>>>frank bengtsson wrote:
> > > >>>>>thx, i will have to get back on that, as i am going in to
> > > >>>>> production tomorrow...
> > > >>>>
> > > >>>>Ok. Well, I don't see any reason why it shouldn't work and I tested
> > > >>>> it, so I think we're fine. It'll be in 1.0.1 and 1.1b1.
> > > >>>>
> > > >>>>>It seems that AbstractTree.java has choosen a selectionmodel with
> > > >>>>> single selection:
> > > >>>>>treeSelectionModel.setSelectionMode(TreeSelectionModel.SINGLE_TREE
> > > >>>>>_S EL EC TI ON);
> > > >>>>>
> > > >>>>>that makes it hard for me to make a selection tree as only the
> > > >>>>> latest selected path in tree is avialble....
> > > >>>>>
> > > >>>>>I tried with another selection model:
> > > >>>>>treeSelectionModel.setSelectionMode(TreeSelectionModel.CONTIGUOUS_
> > > >>>>>TR EE _S EL ECTION);
> > > >>>>>
> > > >>>>>But i still only get the latest selected path when i run my
> > > >>>>> debugger selectedPath: javax.swing.tree.TreePath =
> > > >>>>>[EMAIL PROTECTED]"[Kategorier,
> > > >>>>>T%F8j%2Fsko%2Fpersonlig+pleje, Wagner]"
> > > >>>>>selection: javax.swing.tree.TreePath[] = null ???????????? this
> > > >>>>> should be set ???
> > > >>>>>
> > > >>>>>And here is the code onsubmit:
> > > >>>>>
> > > >>>>>TreePath[] selectedPaths =
> > > >>>>>categoriesTree.getTreeState().getSelectionModel().getSelectionPath
> > > >>>>>s( ); if (selectedPaths != null) {
> > > >>>>> for (int i=0; i<selectedPaths.length; i++) {
> > > >>>>> log.info("selected path:" +
> > > >>>>>selectedPaths[i].getLastPathComponent());
> > > >>>>>
> > > >>>>> }
> > > >>>>> }
> > > >>>>>
> > > >>>>>Any ideas ?
> > > >>>>
> > > >>>>Nope, not at this time, sorry. The Tree component is pretty hard to
> > > >>>> get right, and one of the things I presumed was that you'd usually
> > > >>>> would only have one selection in a web application. I guess when
> > > >>>> you work with checkboxes etc, that could be different, but I'm not
> > > >>>> sure how that would work together. An alternative strategy would
> > > >>>> be to just use the tree for rendering, and put a form around your
> > > >>>> tree and do something usefull with the checkboxes or whatever you
> > > >>>> use in it. That's probably even clearer than forcing it in the
> > > >>>> tree model.
> > > >>>>
> > > >>>>If you have ideas they are welcome ofcourse. Tree is pretty usefull
> > > >>>> for a lot of usecases right now, but it will take a few iterations
> > > >>>> before it is 'perfect'. Took a long time in Swing for sure.
> > > >>>>
> > > >>>>Eelco
> > > >>>>
> > > >>>>>/Frank B.
> > > >>>>>
> > > >>>>>On Sunday 17 July 2005 10:55, Eelco Hillenius wrote:
> > > >>>>>>Ah, yes. I understand now. Sorry about that stupid bug.
> > > >>>>>>
> > > >>>>>>I solved it a bit differently by providing a class that does
> > > >>>>>> nothing at all (except being a panel) and a class that has the
> > > >>>>>> default components: NodePanel and DefaultNodePanel.
> > > >>>>>> DefaultNodePanel is used by default, and is the panel you can
> > > >>>>>> extend if you don't want to add your own component structure,
> > > >>>>>> but just want to provide (slightly) different markup. If you do
> > > >>>>>> want to provide your own components (like you do), you should
> > > >>>>>> extend
> > > >>>>>>
> > > >>>>>>
> > > >>>>>>
> > > >>>>>>
> > > >>>>>>from NodePanel directly. As NodePanel itself just extends Panel,
> > > >>>>>> but
> > > >>>>>>
> > > >>>>>>
> > > >>>>>>does not add any components, you can extend this and use it like
> > > >>>>>> any other panel.
> > > >>>>>>
> > > >>>>>>I have included the altered tree source file. Could you please
> > > >>>>>> confirm that it solves your problem?
> > > >>>>>>
> > > >>>>>>Eelco
> > > >>>>
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Frank Kastell Bengtsson
Kastell
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