Yes, that is, you right !
Having:
Panel myPanel = new MyPanel("panelId");
depending how is "rendered" by
1. addOrReplace(myPanel) in a page constructor or by
2. target.addComponent(myPanel) in an event callback method
the result is different !
Stefan
--- On Thu, 6/18/09, Stefan Lindner <[email protected]> wrote:
> From: Stefan Lindner <[email protected]>
> Subject: RE: WicketJQuery: Drag & drop behavior lost for components of AJAX
> updated panels
> To: [email protected]
> Date: Thursday, June 18, 2009, 5:39 PM
> Do I understand you right, you have
> something like
>
> Class MyPanel {
> public MyPanel(...) {
> Component c = new
> Component(...);
> c.add(new Draggable());
> // some more components
> with draggable
> }
> }
>
>
>
> MyPage extends WebPage {
> Public MyPage() {
> add(new
> MyPanel(...));
> // dragging works
>
> add(new
> AjaxLink(...){
>
> onClick(AjaxRequestTarget) {
>
> MyPanel newPanel;
>
> getPage.addOrReplace(newPanel = new
> MyPanel(...));
>
> target.addComponent(newPanel);
>
> // Dragging stops working
> }
> });
> }
> }
> Right?
>
>
>
> -----Ursprüngliche Nachricht-----
> Von: Stefan Jozsa [mailto:[email protected]]
>
> Gesendet: Donnerstag, 18. Juni 2009 16:28
> An: [email protected]
> Betreff: RE: WicketJQuery: Drag & drop behavior lost
> for components of AJAX updated panels
>
>
> Hi Stefan,
>
> Sorry, but I missed to specify that DraggableBehavior is
> added to
> (undefined/variable number of) components of 'MyPanel',
> that is
> not to the panel itself.
> So, using the same 'MyPanel' constructor in both cases
> DraggableBehavior is added (by Java code) to those
> components of 'MyPanel'.
>
> Having:
> Panel myPanel = new MyPanel("panelId");
> depending how is "rendered" by addOrReplace(myPanel) or by
> target.addComponent(myPanel) the result is different,
> the markup (and who knows what...) is different.
>
> I tried WicketJQuery-0.3.5, got same (draggable behavior
> lost) result.
>
> I tried even (naive) workarounds like:
> myDraggableComponent.add(new
> AttributeModifier("class", true, new
> Model<String>("ui-draggable")));
> myDraggableComponent.add(new
> AttributeModifier("dragclass", true, new
> Model<String>("a")));
> but got the same (draggable behavior lost) result.
>
> This is extremly disturbing issue since cannot reload page
> (it has an embedded Flash player) and GUI interaction is
> based on
> AJAX backed panel/component refresh.
>
> Any idea, help, workaround, fix is welcomed,
> thanks,
> Stefan
>
>
> --- On Thu, 6/18/09, Stefan Lindner <[email protected]>
> wrote:
>
> > From: Stefan Lindner <[email protected]>
> > Subject: RE: WicketJQuery: Drag & drop behavior
> lost for components of AJAX updated panels
> > To: [email protected]
> > Date: Thursday, June 18, 2009, 3:30 PM
> > I can't see a solution for what you
> > are doing.
> >
> > ...
> > @Override
> > public void onClick(AjaxRequestTarget target)
> > {
> > Panel panel = new
> > MyPanel("panelId");
> > addOrReplace(panel);
> > target.addComponent(panel);
> > }
> >
> > creates a NEW Panel and the NEW panel is a totally
> new
> > object that does not know anything about the ORIGINAL
> Panel.
> > The AJAX response renders the NEW Panel (with it's new
> class
> > attribute but without the AJAX behaviors you've added
> to the
> > ORIGINAL Panel).
> >
> > This also happens with Wickts builtin Behaviors. Try
> this
> >
> > panel.add(new
> > AjaxEventBehavior("onclick") {
> >
> > @Override
> >
> > protected void onEvent(AjaxRequestTarget target) {
> >
> > System.out.println("clicked!");
> > }
> > });
> >
> > This also disappears after you replace the panel
> within an
> > AJAX call.
> >
> >
> > You can do two things:
> > 1. ...
> > @Override
> > public void onClick(AjaxRequestTarget target)
> > {
> > Panel panel = new
> > MyPanel("panelId");
> > ! panel.add(new
> > DraggableBehavior());
> > addOrReplace(panel);
> > target.addComponent(panel);
> > }
> >
> > ! AND USE VERSION 0.3.5!
> >
> > 2. ...
> > @Override
> > public void onClick(AjaxRequestTarget target)
> > {
> > !
> > originalPanel.setDefaultModelObject(some
> > new value);
> > !
> > target.addComponent(originalPanel);
> > }
> >
> > Good luck and let me know if it works for you!
> >
> > Stefan
> >
> > -----Ursprüngliche Nachricht-----
> > Von: Stefan Jozsa [mailto:[email protected]]
> >
> > Gesendet: Donnerstag, 18. Juni 2009 13:24
> > An: [email protected]
> > Betreff: Re: WicketJQuery: Drag & drop behavior
> lost
> > for components of AJAX updated panels
> >
> >
> > Found that when panel is constructed like:
> > public MyPage() {
> > ...
> > add(new MyPanel("panelId"));
> > ...
> > }
> > markup of a draggable element is:
> > <span id="id123456" class="myClass ui-draggable"
> ...
> > >[]</span>
> >
> > However when:
> > ...
> > @Override
> > public void onClick(AjaxRequestTarget target)
> > {
> > Panel panel = new
> > MyPanel("panelId");
> > addOrReplace(panel);
> > target.addComponent(panel);
> > }
> > markup of a draggable element is:
> > <span id="id123456" class="myClass" ...
> > >[]</span>
> >
> > that is 'ui-draggable' is not found (stripped ? not
> added?)
> >
> > in 'class' attribute of draggable element.
> >
> > Any help is welcommed,
> > Stefan
> >
> >
> > --- On Thu, 6/18/09, Stefan Jozsa <[email protected]>
> > wrote:
> >
> > > From: Stefan Jozsa <[email protected]>
> > > Subject: WicketJQuery: Drag & drop behavior
> lost
> > for components of AJAX updated panels
> > > To: [email protected]
> > > Date: Thursday, June 18, 2009, 1:44 PM
> > >
> > > Doing:
> > > public MyPage() {
> > > ...
> > > add(new MyPanel("panelId"));
> > > ...
> > > }
> > > dragging elements (having DraggableBehavior) of
> > 'MyPanel'
> > > works.
> > >
> > > However doing:
> > > ...
> > > @Override
> > > public void onClick(AjaxRequestTarget
> target)
> > > {
> > > Panel panel = new
> > > MyPanel("panelId");
> > > addOrReplace(panel);
> > > target.addComponent(panel);
> > > }
> > >
> > > dragging elements of 'MyPanel' DO NOT works
> > > (DraggableBehavior is lost).
> > >
> > >
> > > What's going on ?
> > > Any help is (very) appreciated,
> > > thanks Stefan
> > >
> > > Using:
> > > Wicket-1.4.rc4,
> > > WicketJQuery-0.3.4
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> >
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> > >
> >
> >
> >
> >
> >
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>
>
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