#ifndef ITEMLIST_H
#define ITEMLIST_H

#include "scene/gui/control.h"
#include "scene/gui/scroll_bar.h"

class ItemList : public Control {

	OBJ_TYPE( ItemList, Control );
public:

	enum IconMode {
		ICON_MODE_TOP,
		ICON_MODE_LEFT
	};

	enum SelectMode {
		SELECT_SINGLE,
		SELECT_MULTI
	};
private:
	struct Item {

		Ref<Texture> icon;
		Rect2i icon_region;
		Ref<Texture> tag_icon;
		String text;
		bool selectable;
		bool selected;
		bool disabled;
		Variant metadata;
		String tooltip;
		Color custom_bg;

		Rect2 rect_cache;

		Size2 get_icon_size() const;

		bool operator<(const Item& p_another) const { return text<p_another.text; }
	};

	int current;

	bool shape_changed;

	bool ensure_selected_visible;

	Vector<Item> items;
	Vector<int> separators;

	SelectMode select_mode;
	IconMode icon_mode;
	VScrollBar *scroll_bar;

	uint64_t search_time_msec;
	String search_string;

	int current_columns;
	int fixed_column_width;
	int max_text_lines;
	int max_columns;
	Size2 min_icon_size;

	int defer_select_single;

	void _scroll_changed(double);
	void _input_event(const InputEvent& p_event);
protected:

	void _notification(int p_what);
	static void _bind_methods();
public:


	void add_item(const String& p_item,const Ref<Texture>& p_texture=Ref<Texture>(),bool p_selectable=true);
	void add_icon_item(const Ref<Texture>& p_item,bool p_selectable=true);

	void set_item_text(int p_idx,const String& p_text);
	String get_item_text(int p_idx) const;

	void set_item_icon(int p_idx,const Ref<Texture>& p_icon);
	Ref<Texture> get_item_icon(int p_idx) const;

	void set_item_icon_region(int p_idx,const Rect2& p_region);
	Rect2 get_item_icon_region(int p_idx) const;

	void set_item_selectable(int p_idx,bool p_selectable);
	bool is_item_selectable(int p_idx) const;

	void set_item_disabled(int p_idx,bool p_disabled);
	bool is_item_disabled(int p_idx) const;

	void set_item_metadata(int p_idx,const Variant& p_metadata);
	Variant get_item_metadata(int p_idx) const;

	void set_item_tag_icon(int p_idx,const Ref<Texture>& p_tag_icon);
	Ref<Texture> get_item_tag_icon(int p_idx) const;

	void set_item_tooltip(int p_idx,const String& p_tooltip);
	String get_item_tooltip(int p_idx) const;

	void set_item_custom_bg_color(int p_idx,const Color& p_custom_bg_color);
	Color get_item_custom_bg_color(int p_idx) const;

	void select(int p_idx,bool p_single=true);
	void unselect(int p_idx);
	bool is_selected(int p_idx) const;

	void set_current(int p_current);
	int get_current() const;

	void move_item(int p_item,int p_to_pos);

	int get_item_count() const;
	void remove_item(int p_idx);

	void clear();

	void set_fixed_column_width(int p_size);
	int get_fixed_column_width() const;

	void set_max_text_lines(int p_amount);
	int get_max_text_lines() const;

	void set_max_columns(int p_amount);
	int get_max_columns() const;

	void set_select_mode(SelectMode p_mode);
	SelectMode get_select_mode() const;

	void set_icon_mode(IconMode p_mode);
	IconMode get_icon_mode() const;

	void set_min_icon_size(const Size2& p_size);
	Size2 get_min_icon_size() const;

	void ensure_current_is_visible();

	void sort_items_by_text();
	int find_metadata(const Variant& p_metadata) const;

	virtual String get_tooltip(const Point2& p_pos) const;
	int get_item_at_pos(const Point2& p_pos) const;

	ItemList();
	~ItemList();
};

VARIANT_ENUM_CAST(ItemList::SelectMode);
VARIANT_ENUM_CAST(ItemList::IconMode);


#endif // ITEMLIST_H