FilterForm requires focus-tracker and focus-restore be added as children in the
markup
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Key: WICKET-2467
URL: https://issues.apache.org/jira/browse/WICKET-2467
Project: Wicket
Issue Type: Bug
Components: wicket-extensions
Affects Versions: 1.4.0
Reporter: Steve Lowery
When using a FilterForm, the following error is received:
WicketMessage: The component(s) below failed to render. A common problem is
that you have added a component in code but forgot to reference it in the
markup (thus the component will never be rendered).
1. [MarkupContainer [Component id = focus-tracker]]
2. [MarkupContainer [Component id = focus-restore]]
The tags have to manually be added to the markup to use the Filter Form. This
could be the only way to get this component to work, but this would be the
first component I've used thusfar where I was required to create children with
specific ids in the markup.
Here is the java code:
public AbstractFilteredPanel(String id, T filter) {
super(id);
this.filter = filter;
AbstractFilteredPanelDataProvider dataProvider = new
AbstractFilteredPanelDataProvider();
FilterForm form = new FilterForm("filterForm", dataProvider);
add(form);
AjaxFallbackDefaultDataTable<T> data = new
AjaxFallbackDefaultDataTable<T>("data", getColumns(), getDataProvider(),
getRowsPerPage());
data.addTopToolbar(new FilterToolbar(data, form, dataProvider));
form.add(data);
}
And the markup:
<html xmlns:wicket="http://wicket.apache.org/";>
<wicket:panel>
<form wicket:id="filterForm">
<table wicket:id="data"></table>
</form>
</wicket:panel>
</html>
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