listbox_view.h

/*
**  UICore
**  Copyright (c) 1997-2015 The UICore Team
**
**  This software is provided 'as-is', without any express or implied
**  warranty.  In no event will the authors be held liable for any damages
**  arising from the use of this software.
**
**  Permission is granted to anyone to use this software for any purpose,
**  including commercial applications, and to alter it and redistribute it
**  freely, subject to the following restrictions:
**
**  1. The origin of this software must not be misrepresented; you must not
**     claim that you wrote the original software. If you use this software
**     in a product, an acknowledgment in the product documentation would be
**     appreciated but is not required.
**  2. Altered source versions must be plainly marked as such, and must not be
**     misrepresented as being the original software.
**  3. This notice may not be removed or altered from any source distribution.
**
**  Note: Some of the libraries UICore may link to may have additional
**  requirements or restrictions.
**
**  File Author(s):
**
**    Magnus Norddahl
*/

#pragma once

#include "../View/view.h"
#include "scroll_view.h"

namespace uicore
{
    class ListBoxBaseViewImpl;

    class ListBoxBaseView : public ScrollBaseView
    {
    public:
        ListBoxBaseView();
        ~ListBoxBaseView();
        
        void set_items(const std::vector<std::shared_ptr<View>> &items);
        
        template<typename T>
        void set_items(const std::vector<T> &items, const std::function<std::shared_ptr<View>(const T &item)> &map_function)
        {
            std::vector<std::shared_ptr<View>> views;
            views.reserve(items.size());
            for (const auto &item : items)
            {
                views.push_back(map_function(item));
            }
            set_items(views);
        }
        
        int selected_item() const;
        void set_selected_item(int index);

        Signal<void()> &sig_selection_changed();

    private:
        std::unique_ptr<ListBoxBaseViewImpl> impl;
    };
}