Hi,
Have a look at TransparentWebMarkupContainer, it was specifically made
for this. This does involve some (internal) magic in wicket but allows
you to simply say this.add() in child pages instead of
rootContainer.add().
// Bas
Verstuurd vanaf mijn iPhone
> Op 26 jun. 2021 om 18:09 heeft Prag Progger <pragprog...@gmail.com> het
> volgende geschreven:
>
> Hi,
>
> I have a ParentPage and many sub class child pages that extend it. I
> decided to add a root container element to the parent page, but this
> breaks all ChildPage.add() method calls in the child pages. A solution
> is to pass the root container to every child, but that is a lot of
> work. Is there a cleaner way to solve this problem without breaking
> all the child pages?
>
> // ParentPage.java
> public class ParentPage extends WebPage {
> // Shared with sub classes
> protected MarkupContainer rootContainer;
>
> public ParentPage() {
> rootContainer = new WebMarkupContainer("rootContainer");
> add(rootContainer);
>
> rootContainer.add(new Label("parentLabel", "Parent component"));
> }
> }
>
> // ParentPage.html
> <html><body>
> <h1>ParentPage</h1>
>
> <div wicket:id="rootContainer">
> <p wicket:id="parentLabel"></p>
>
> <div>
> <wicket:child />
> </div>
> </div>
> </body></html>
>
>
> // ChildPage.java
> public class ChildPage extends ParentPage {
> public ChildPage() {
> // This should preferably be add() instead of rootContainer.add()
> // So that I don't have such dependency on the parentPage.
> rootContainer.add(new Label("childComponent", "Child component"));
> }
> }
>
> // ChildPage.html
> <html><body>
> <wicket:extend>
> <h2>Child page</h2>
>
> <p wicket:id="childComponent"></p>
> </wicket:extend>
> </body></html>
>
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