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FilePicker.hpp
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FilePicker.hpp
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#pragma once
#include <SFML/Graphics/Texture.hpp>
#include <filesystem>
#include <functional>
class FilePicker
{
public:
using OnPicked = std::function<void(const std::filesystem::path&)>;
struct Settings {
bool foldersOnly{ false };
std::vector<std::string> extensionsFilter;
};
public:
FilePicker();
~FilePicker() = default;
// Call each frame to refresh and display the explorer
void Update();
// Set a texture to be used as icon near folders
void SetFolderIcon(const sf::Texture& icon) { mFolderIcon = icon; }
// Set a texture to be used as icon near files with matching extension
void SetFileIcon(const std::string& extension, const sf::Texture& icon) { mFileIconPerExtension[extension] = icon; }
// Set a texture to be used as icon near file if no specific icon exists for its extension
void SetDefaultFileIcon(const sf::Texture& icon) { mDefaultFileIcon = icon; }
// Starts picking a folder
void PickFolder(const std::filesystem::path& startingPath, const OnPicked& onPicked);
// Starts picking a file
void PickFile(const std::filesystem::path& startingPath, const OnPicked& onPicked, const std::vector<std::string>& extensionFilters = std::vector<std::string>());
void StartPicking(const std::filesystem::path& startingPath, const OnPicked& onPicked, const Settings& settings = Settings());
inline void Show() { mVisible = true; }
inline void Hide() { mVisible = false; }
inline bool IsVisible() const { return mVisible; }
private:
const sf::Texture& GetFileIcon(const std::string& extension) const;
void SetPath(const std::filesystem::path& path);
private:
sf::Texture mFolderIcon;
sf::Texture mDefaultFileIcon;
std::unordered_map<std::string, sf::Texture> mFileIconPerExtension;
std::filesystem::path mPath;
OnPicked mOnPicked;
Settings mSettings;
bool mVisible{ false };
};