ListItem.h

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#pragma once
 
#include "../UI/ComponentStackWidget.h"
#include "../Property.h"
#include "Registry.h"
#include "../Graphics/Bitmap.h"
 
#include <limits>
 
namespace Gorgon { namespace Widgets {
 
    class ListItem : public virtual UI::ComponentStackWidget {
    public:
 
        ListItem(const UI::Template &temp);
 
        void SetText(const std::string &value);
 
        std::string GetText() const {
            return text;
        }
 
 
        void SetIndex(long value);
 
        int GetIndex() const {
            return index;
        }
 
 
        void SetIcon(const Graphics::Bitmap &value);
 
        void SetIcon(const Graphics::Animation &value);
 
        void SetIconProvider(const Graphics::AnimationProvider &value);
 
        void SetIconProvider(Graphics::AnimationProvider &&provider);
 
        void RemoveIcon();
 
        bool HasIcon() const {
            return icon != nullptr;
        }
 
        const Graphics::Animation &GetIcon() const {
            if(!HasIcon())
                throw std::runtime_error("This widget has no icon.");
 
            return *icon;
        }
 
        void OwnIcon();
 
        void OwnIcon(const Graphics::Animation &value);
 
        void OwnIcon(Graphics::Bitmap &&value);
 
 
 
        void SetSelected(bool value);
 
        bool GetSelected() const {
            return selected;
        }
 
 
        void SetParity(Parity value);
 
        Parity GetParity() const {
            return parity;
        }
 
 
        void SetOpened(YesNoUnset value);
 
        YesNoUnset GetOpened() const {
            return opened;
        }
 
        void SetPosition(ItemPosition value);
 
        ItemPosition GetPosition() const {
            return position;
        }
 
        virtual bool Activate() override;
 
        Event<ListItem> ClickEvent = Event<ListItem> {this};
 
        Event<ListItem> ToggleEvent = Event<ListItem> {this};
 
 
    protected:
        virtual bool allowfocus() const override;
 
    private:
        std::string text;
 
        long index = 0;
 
        const Graphics::Animation          *icon     = nullptr;
        const Graphics::AnimationProvider  *iconprov = nullptr;
        bool ownicon = false;
 
        bool focus    = false;
 
        bool selected = false;
 
        Parity parity = Parity::None;
 
        YesNoUnset opened   = YesNoUnset::Unset;
 
        ItemPosition position = ItemPosition::Nowhere;
 
    };
 
} }