Dropdown.h

#ifndef DROPDOWN_H
#define DROPDOWN_H
 
#include "UIComponent.h"
#include "UIDirection.h"
#include <vector>
#include <string>
 
class Button;
class UICommand;
class UIDropdownCommand;
 
class Dropdown : public UIComponent
{
public:
    Dropdown(const std::string& textureKey, const std::vector<std::string>& optionLabels);
    Dropdown(const std::string& textureKey);
    Dropdown(const Dropdown&) = delete;
    Dropdown& operator=(const Dropdown&) = delete;
    ~Dropdown();

    void AddOption(UIComponent* comp, const std::string& value, UIDirection dir = UIDirection::Down);

    void SetPosition(float x, float y);

    void SetScale(float x, float y);

    void SetLayer(int layer) override;

    void SetOnSelectCommand(int index, UICommand* cmd);

    Button* GetMainButton() const;

    UIComponent* GetComponent(int index) const;

    const std::string& GetSelectedValue() const;
 
private:
    friend class UIDropdownCommand;
 
    Button* mainButton;                       
    UIDropdownCommand* selectCommand;         
    std::vector<UIComponent*> optionItems;    
    std::vector<std::string> optionValues;    
    std::vector<UIDirection> optionDirs;      
    std::vector<UICommand*> ownedCommands;    
    bool isExpanded;                          
 
    float posX;                               
    float posY;                               
    float scaleX;                             
    float scaleY;                             
 
    float heldX;                              
    float heldY;                              
 
    std::string selectedValue;                

    void Render() override;

    void OnPress() override;

    bool IsMouseOver(float x, float y) override;

    void ToggleDropdown();

    void SelectOption(int index);

    void UpdateOptionTransforms();

    UIComponent* GetHoveredItem(float x, float y);
 
};
 
#endif