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_TRE
> > >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().getSelectionPaths(
> > >>>>>); 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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