Hi,
Sven Meier already explained you the problem at
https://stackoverflow.com/questions/65632010/stateless-modaldialog-in-wicket/65664328
I've added sample code how to achieve it.
On Sun, Jan 10, 2021 at 7:20 PM Prag Progger <pragprog...@gmail.com> wrote:
> Hi,
>
> Is it possible to create a stateless ModalDialog?
>
> I tried the following code, but it results in an error. The error
> doesn't occur when removing the getStatelessHint() overrides, but that
> would make it stateful. If it's not possible, would it be possible
> with the deprecated ModalWindow?
>
> HTML Code:
>
> <!DOCTYPE html>
> <html>
> <head>
> <style>
> .modal-dialog { border-radius: 5px; }
> .modal-dialog .modal-dialog-content { display: flex;
> flex-direction: column; }
> .modal-dialog-overlay.current-focus-trap .modal-dialog-content
> { resize: both; }
> .modal-dialog .modal-dialog-form { margin: 0; padding: 0;
> overflow: hidden; flex: 1; display: flex; flex-direction: column; }
> .modal-dialog .modal-dialog-header { border-radius: 5px 5px
> 0px 0px; background: #ffb158; margin: 0; padding-top: 4px; text-align:
> center; }
> .modal-dialog .modal-dialog-body { flex: 1; overflow-y: auto;
> padding: 20px; }
> .modal-dialog .modal-dialog-footer { padding: 5px; }
> </style>
> </head>
> <body>
> <a wicket:id="openModalLink">Open modal</a>
>
> <div id="window" wicket:id="window"></div>
>
> <wicket:fragment wicket:id="modalContentFragment">
> <h1>Modal Dialog</h1>
> <a wicket:id="closeModalLink">Close modal</a>
> </wicket:fragment>
> </body>
> </html>
>
> Java Code:
>
> package org.example.modaltest;
>
> import org.apache.wicket.ajax.AjaxRequestTarget;
> import org.apache.wicket.ajax.markup.html.AjaxLink;
> import org.apache.wicket.extensions.ajax.markup.html.modal.ModalDialog;
> import
> org.apache.wicket.extensions.ajax.markup.html.modal.theme.DefaultTheme;
> import org.apache.wicket.markup.html.GenericWebPage;
> import org.apache.wicket.markup.html.panel.Fragment;
>
> public class ModalPage extends GenericWebPage<Void> {
> public ModalPage() {
> ModalDialog window = new ModalDialog("window");
> window.add(new DefaultTheme());
> window.setMarkupId("window");
> window.setOutputMarkupId(true);
> add(window);
>
> Fragment modalContentFragment = new
> Fragment(ModalDialog.CONTENT_ID, "modalContentFragment", this);
> window.setContent(modalContentFragment);
> modalContentFragment.setOutputMarkupId(true);
>
> AjaxLink<Void> closeModalLink = new
> AjaxLink<Void>("closeModalLink") {
> @Override
> public void onClick(AjaxRequestTarget target) {
> target.add(window);
> ModalDialog window1 = (ModalDialog)
> findPage().get("window");
> window1.close(target);
> }
>
> @Override
> protected boolean getStatelessHint() {
> return true;
> }
> };
> closeModalLink.setOutputMarkupId(true);
> modalContentFragment.add(closeModalLink);
>
> AjaxLink<Void> openModalLink = new AjaxLink<Void>("openModalLink")
> {
> @Override
> public void onClick(AjaxRequestTarget target) {
> ModalDialog window1 = (ModalDialog)
> findPage().get("window");
> window1.open(target);
> }
>
> @Override
> protected boolean getStatelessHint() {
> return true;
> }
> };
> add(openModalLink);
> }
> }
>
>
> Error in Browser:
> "Access Denied. You do not have access to the page you requested.
> Return to home page"
>
> Java Exception:
>
> 16:34:16.382 [http-nio-8080-exec-4] WARN
> o.a.w.c.r.h.ListenerRequestHandler - behavior not enabled; ignore
> call. Behavior org.apache.wicket.ajax.markup.html.AjaxLink$1@5a149041
> at component [AjaxLink [Component id = closeModalLink]]
> 16:34:16.386 [http-nio-8080-exec-4] WARN RequestCycleExtra -
> ********************************
> 16:34:16.390 [http-nio-8080-exec-4] WARN RequestCycleExtra - Handling
> the following exception
>
> org.apache.wicket.core.request.handler.ListenerInvocationNotAllowedException:
> Behavior rejected interface invocation. Component: [AjaxLink
> [Component id = closeModalLink]] Behavior:
> org.apache.wicket.ajax.markup.html.AjaxLink$1@5a149041
> at
> org.apache.wicket.core.request.handler.ListenerRequestHandler.invoke(ListenerRequestHandler.java:276)
> at
> org.apache.wicket.core.request.handler.ListenerRequestHandler.invokeListener(ListenerRequestHandler.java:222)
> at
> org.apache.wicket.core.request.handler.ListenerRequestHandler.respond(ListenerRequestHandler.java:208)
> at
> org.apache.wicket.request.cycle.RequestCycle$HandlerExecutor.respond(RequestCycle.java:902)
> at
> org.apache.wicket.request.RequestHandlerExecutor.execute(RequestHandlerExecutor.java:63)
>
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