tb_select.h

// ================================================================================
// ==      This file is a part of Turbo Badger. (C) 2011-2014, Emil Segerås      ==
// ==                     See tb_core.h for more information.                    ==
// ================================================================================

#ifndef TB_SELECT_H
#define TB_SELECT_H

#include "tb_window.h"
#include "tb_scroll_container.h"
#include "tb_select_item.h"

namespace tb {

class TBMenuWindow;

class TBSelectList : public TBWidget, public TBSelectItemViewer
{
public:
    // For safe typecasting
    TBOBJECT_SUBCLASS(TBSelectList, TBWidget);

    TBSelectList();
    ~TBSelectList();

    TBGenericStringItemSource *GetDefaultSource() { return &m_default_source; }

    void SetFilter(const TBStr & filter);
    const TBStr & GetFilter() const { return m_filter; }

    void SetHeaderString(const TBID& id);

    void InvalidateList();

    void ValidateList();

    virtual void SetValue(long value);
    virtual long GetValue() const { return m_value; }

    TBID GetSelectedItemID();

    bool ChangeValue(SPECIAL_KEY key);

    void SelectItem(int index, bool selected);
    TBWidget *GetItemWidget(int index);

    void ScrollToSelectedItem();

    TBScrollContainer *GetScrollContainer() { return &m_container; }

    virtual void OnInflate(const INFLATE_INFO &info);
    virtual void OnSkinChanged();
    virtual void OnProcess();
    virtual void OnProcessAfterChildren();
    virtual bool OnEvent(const TBWidgetEvent &ev);

    // == TBSelectItemViewer ==================================================
    virtual void OnSourceChanged();
    virtual void OnItemChanged(int index);
    virtual void OnItemAdded(int index);
    virtual void OnItemRemoved(int index);
    virtual void OnAllItemsRemoved();
protected:
    TBScrollContainer m_container;
    TBLayout m_layout;
    TBGenericStringItemSource m_default_source;
    int m_value;
    TBStr m_filter;
    bool m_list_is_invalid;
    bool m_scroll_to_current;
    TBID m_header_lng_string_id;
private:
    TBWidget *CreateAndAddItemAfter(int index, TBWidget *reference);
};

class TBSelectDropdown : public TBButton, public TBSelectItemViewer
{
public:
    // For safe typecasting
    TBOBJECT_SUBCLASS(TBSelectDropdown, TBButton);

    TBSelectDropdown();
    ~TBSelectDropdown();

    TBGenericStringItemSource *GetDefaultSource() { return &m_default_source; }

    virtual void SetValue(long value);
    virtual long GetValue() const { return m_value; }

    TBID GetSelectedItemID();

    void OpenWindow();

    void CloseWindow();

    TBMenuWindow *GetMenuIfOpen() const;

    virtual void OnInflate(const INFLATE_INFO &info);
    virtual bool OnEvent(const TBWidgetEvent &ev);

    // == TBSelectItemViewer ==================================================
    virtual void OnSourceChanged();
    virtual void OnItemChanged(int index);
    virtual void OnItemAdded(int /*index*/) {}
    virtual void OnItemRemoved(int /*index*/) {}
    virtual void OnAllItemsRemoved() {}
protected:
    TBGenericStringItemSource m_default_source;
    TBSkinImage m_arrow;
    int m_value;
    TBWidgetSafePointer m_window_pointer; 
};

} // namespace tb

#endif // TB_SELECT_H