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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