file_dialog.h

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#pragma once
#include "common_dialog.h"
#include <vector>
#include <xtd/forms/open_file_name_flags.h>
 
namespace xtd {
  namespace forms {
    class open_file_dialog;
    class save_file_dialog;
 
    class forms_export_ file_dialog : public common_dialog {
    public:
      file_dialog() = default;
      
      virtual bool add_extension() const {return get_option(OFN_ADDEXTENSION);}
      virtual file_dialog& add_extension(bool value) {
        set_option(OFN_ADDEXTENSION, value);
        return *this;
      }
 
      virtual bool auto_upgrade_enabled() const {return auto_upgrade_enabled_;}
      virtual file_dialog& auto_upgrade_enabled(bool value) {
        auto_upgrade_enabled_ = value;
        return *this;
      }
 
      virtual bool check_file_exists() const {return get_option(OFN_FILEMUSTEXIST);}
      virtual file_dialog& check_file_exists(bool value) {
        set_option(OFN_FILEMUSTEXIST, value);
        return *this;
      }
      
      virtual bool check_path_exists() const {return get_option(OFN_PATHMUSTEXIST);}
      virtual file_dialog& check_path_exists(bool value) {
        set_option(OFN_PATHMUSTEXIST, value);
        return *this;
      }
      
      virtual const xtd::ustring& default_ext() const {return default_ext_;}
      virtual file_dialog& default_ext(const xtd::ustring& value) {
        default_ext_ = value;
        return *this;
      }
 
      virtual bool dereference_link() const {return !get_option(OFN_NODEREFERENCELINKS);}
      virtual file_dialog& dereference_link(bool value) {
        set_option(OFN_NODEREFERENCELINKS, !value);
        return *this;
      }
      
      virtual const xtd::ustring& file_name() const {return file_name_;}
      virtual file_dialog& file_name(const xtd::ustring& value) {
        file_name_ = value;
        return *this;
      }
 
      virtual const std::vector<xtd::ustring> file_names() const {return file_names_;}
 
      virtual const xtd::ustring& filter() const {return filter_;}
      virtual file_dialog& filter(const xtd::ustring& value) {
        filter_ = value;
        return *this;
      }
 
      virtual size_t filter_index() const {return filter_index_;}
      virtual file_dialog& filter_index(size_t value) {
        filter_index_ = value;
        return *this;
      }
 
      virtual const xtd::ustring& initial_directory() const {return initial_directory_;}
      virtual file_dialog& initial_directory(const xtd::ustring& value) {
        initial_directory_ = value;
        return *this;
      }
      
      size_t options() const {return options_;}
 
      virtual bool restore_directory() const {return get_option(OFN_NOCHANGEDIR);}
      virtual file_dialog& restore_directory(bool value) {
        set_option(OFN_NOCHANGEDIR, value);
        return *this;
      }
      
      virtual bool show_help() const {return !get_option(OFN_SHOWHELP);}
      virtual file_dialog& show_help(bool value) {
        set_option(OFN_SHOWHELP, value);
        return *this;
      }
      
      virtual bool show_hidden_files() const {return !get_option(OFN_FORCESHOWHIDDEN);}
      virtual file_dialog& show_hidden_files(bool value) {
        set_option(OFN_FORCESHOWHIDDEN, value);
        return *this;
      }
      
      virtual bool show_preview() const {return !get_option(OFN_SHOWPREVIEW);}
      virtual file_dialog& show_preview(bool value) {
        set_option(OFN_SHOWPREVIEW, value);
        return *this;
      }
 
      virtual bool support_multi_dotted_extensions() const {return support_multi_dotted_extensions_;}
      virtual file_dialog& support_multi_dotted_extensions(bool value) {
        support_multi_dotted_extensions_ = value;
        return *this;
      }
      
      virtual const xtd::ustring& title() const {return title_;}
      virtual file_dialog& title(const xtd::ustring& value) {
        title_ = value;
        return *this;
      }
      
      virtual bool validate_names() const {return !get_option(OFN_NOVALIDATE);}
      virtual file_dialog& validate_names(bool value) {
        set_option(OFN_NOVALIDATE, !value);
        return *this;
      }
 
      void reset() override;
 
      xtd::ustring to_string() const noexcept override {
        return ustring::format("{}: title: {}, filename: {}", ustring::full_class_name(*this), title_, file_name_);
      }
 
      friend std::ostream& operator<<(std::ostream& os, const xtd::forms::file_dialog& dialog) noexcept {
        return os << dialog.to_string();
      }
 
    protected:      
      bool run_dialog(intptr_t hwnd_owner) override;
      void run_sheet(intptr_t hwnd_owner) override;
 
      bool get_option(size_t flag) const {return (options_ & flag) == flag;}
      void set_option(size_t flag, bool value) {options_ = value ? options_ | flag : options_ & ~flag;}
 
      bool auto_upgrade_enabled_ = true;
      xtd::ustring default_ext_ = "";
      xtd::ustring file_name_ = "";
      std::vector<xtd::ustring> file_names_;
      xtd::ustring filter_ = "";
      size_t filter_index_ = 1;
      xtd::ustring initial_directory_ = "";
      size_t options_ = OFN_HIDEREADONLY | OFN_PATHMUSTEXIST | OFN_ADDEXTENSION;
      bool support_multi_dotted_extensions_ = true;
      xtd::ustring title_ = "";
      
    private:
      friend class open_file_dialog;
      friend class save_file_dialog;
      virtual bool run_file_dialog(intptr_t hwnd_owner) = 0;
      virtual void run_file_sheet(intptr_t hwnd_owner) = 0;
    };
  }
}