This works just fine to add checkboxes to a ListView:
final CheckGroup<Person> group = new CheckGroup<Person>("group",
new ArrayList<Person>());
Form<?> form = new Form("form") {
@Override
protected void onSubmit() {
info("selected person(s): " +
group.getDefaultModelObjectAsString());
}
};
add(form);
form.add(group);
group.add(new CheckGroupSelector("groupselector"));
ListView<Person> listView = new ListView<Person>("persons",
getModel()) {
/**
* @see
*
org.apache.wicket.markup.html.list.ListView#populateItem(org.apache.wicket.markup.html.list.ListItem)
*/
@Override
protected void populateItem(ListItem<Person> item) {
item.add(new Check<Person>("checkbox",
item.getModel()));
item.add(new Label("name", new
PropertyModel<String>(item.getDefaultModel(), "name")));
}
};
listView.setReuseItems(true);
group.add(listView);
However, similar code to add a checkbox column to a DefaultDataTable fails.
final CheckGroup<Person> group = new CheckGroup<Person>("group",
new ArrayList<Person>());
Form<?> form = new Form("form2") {
@Override
protected void onSubmit() {
info("selected person(s): " +
group.getDefaultModelObjectAsString());
}
};
List columns = new ArrayList();
columns.add(new CheckboxColumn("id"));
columns.add(new PsPropertyColumn("Name", "name") {
@Override
public void populateItem(Item cellItem, String componentId,
IModel rowModel)
{
super.populateItem(cellItem, componentId, rowModel);
}
});
final DataProvider dataProvider = new DataProvider(getModel());
add(form);
form.add(group);
group.add(new CheckGroupSelector("groupselector"));
DefaultDataTable table = new DefaultDataTable("dataTable",
columns, dataProvider, 5) {
};
group.add(table);
The checkboxes appear, but selecting on actually selects the column rather
than the individual item. This causes multiple problems, such as
getDefaultModelObjectAsString() returns the column and the
CheckGroupSelector, thinking the column is selected and the same column is
used for all checkboxes, selects all boxes on post back. Any advice?
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