dl_ui_file_explorer.h

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#pragma once
 
#ifndef DL_DISABLE_RENDER
#include "misc/dl_component_use.h"
#include "ui/dl_ui_background.h"
#include "ui/dl_ui_panel.h"
#include "ui/dl_ui_window.h"
#include "ui/dl_ui_list_box.h"
 
namespace dl::UI
{
class FileExplorer : public Window
{
public:

    static FileExplorer* Create(UI::Text* txt_path, UI::ListBox* lst, UI::ListBox* lst_root)
    {
        FileExplorer* ret = new FileExplorer;
        ret->_txtPath = txt_path;
        ret->_lstPath = lst;
        ret->_lstPathRoot = lst_root;
        ret->_init();
        return ret;
    }
 
    void SetOnlyFolder(bool only_folder)
    {
        _bOnlyFolder = only_folder;
    }

    void SetPathCurrent(std::string_view path)
    {
        _pathCurrent = path;
        Refresh();
    }
    void SetTargetName(std::string_view name)
    {
        _targetName = name;
        Refresh();
    }

    std::string GetPathCurrent() { return _pathCurrent; }

    std::string GetPathSelect()
    {
        Value v = _lstPath->GetSelect();
        if (v)
            return GetPathCurrent() + v.ToString();
        else
            return GetPathCurrent();
    }
 
    void Refresh();
 
    virtual void Update() override;
 
 
    ~FileExplorer() {}
private:
    FileExplorer() :
        _bOnlyFolder{ false }
    {
        _pathCurrent = File::PathPublic();
    }
    UI::Text* _txtPath;
 
    UI::ListBox* _lstPath;
    std::vector<std::string> _vecPath;
    std::string _pathCurrent;
 
    UI::ListBox* _lstPathRoot;
    std::vector<std::string> _vecPathRoot;
 
    bool _bOnlyFolder; // 只显示文件夹模式
    std::string _targetName; // 目标文件名（带后缀，匹配才显示）
 
    void _init()
    {
        _panel->Add(_txtPath);
        _panel->Add(_lstPath);
        _panel->Add(_lstPathRoot);
        
        Refresh();
    }
};
}
 
#endif