Prevention of ListView, select the element for multi select

How do you keep a user to select specific items during a statement select multi. You can use the MultiSelectHandler to do?

I have essentially two types of elements. Setting caching and QUERIES.  When the user performs a Multi Select on a cached item... I want only their selection to other cached items.  Even if the user is running a Multi Select statement on an item not cached... I want only their selection of other items not cached.

Is anyway to do this?  Been Googling for half an hour and can't find that everything about this use case.

Since I use an element of custom list, I went to this subject a little differently. My CustomListItem implements a ListItemListener. I've implemented the select method as such.

void CustomStandardListItem::select(bool select) {
    bb::cascades::ListItemListener* lil = static_cast(m_sli);
    bb::cascades::ListView * view = qobject_cast(this->parent());

    if (view->multiSelectHandler()->isActive()) {
        bool isCached = view->property("isMultiSelectTypeCached").toBool();

        if (m_cachedImageView->isVisible() && isCached) { // is cached.. allow selection of other cached objects only
            lil->select(select);
        }
        else if (!m_cachedImageView->isVisible() && !isCached) { // is not cached.. allow selection other cached objects only
            lil->select(select);
        }
    }
    else {
        lil->select(select);
    }
}

The dynamic property 'isMultiSelectTypeCached' is just a bool on ListView value that gets defined the type of ListItemComponent. It could have just as well been the type of ListItemComponent.

Tags: BlackBerry Developers

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