Hi Guys,
Thanks for all your Wicket work.
Using the latest Wicket1.X (23rdMarch) from SVN, my code which puts
RenderedDynamicImageResource objects in a GridView no longer works (prior
versions ran fine). The instead of displaying the dynamic resource images in
each cell, I get the following error message:
wicket.WicketRuntimeException: Loop item is null. Probably the number of
loop iterations were changed between onBeginRequest and render time.
at wicket.markup.html.list.Loop.onRender(Loop.java:169)
....
The following code replicates the error (I am using the
CircleDynamicImageResource from the examples):
public class TestGridViewResRef extends WebPage {
/** Creates a new instance of TestGridViewResRef */
public TestGridViewResRef() {
IDataProvider dataProvider = new ImageDataProvider();
GridView gridView = new GridView("rows", dataProvider) {
protected void populateItem(Item item) {
item.add(new ImagePanel("images"));
}
protected void populateEmptyItem(Item item) {
item.add(new Label("firstName", "*empty*"));
}
};
gridView.setRows(3);
gridView.setColumns(3);
add(gridView);
add(new PagingNavigator("navigator", gridView));
}
private class ImagePanel extends Panel{
public ImagePanel(String id){
super(id);
// Dynamically created buffered image
add(new Image("image", new CircleDynamicImageResource(100,
100)));
}
}
Is anything amiss? I can't get to the root of the cause.
Thanks for any help.
Nick
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