text: /*************************************************************************/
  /*  filesystem_dock.h                                                    */
  /*************************************************************************/
  /*                       This file is part of:                           */
  /*                           GODOT ENGINE                                */
  /*                      https://godotengine.org                          */
  /*************************************************************************/
  /* Copyright (c) 2007-2019 Juan Linietsky, Ariel Manzur.                 */
  /* Copyright (c) 2014-2019 Godot Engine contributors (cf. AUTHORS.md).   */
  /*                                                                       */
  /* Permission is hereby granted, free of charge, to any person obtaining */
  /* a copy of this software and associated documentation files (the       */
  /* "Software"), to deal in the Software without restriction, including   */
  /* without limitation the rights to use, copy, modify, merge, publish,   */
  /* distribute, sublicense, and/or sell copies of the Software, and to    */
  /* permit persons to whom the Software is furnished to do so, subject to */
  /* the following conditions:                                             */
  /*                                                                       */
  /* The above copyright notice and this permission notice shall be        */
  /* included in all copies or substantial portions of the Software.       */
  /*                                                                       */
  /* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
  /* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
  /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
  /* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
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  /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
  /*************************************************************************/
  
  #ifndef FILESYSTEM_DOCK_H
  #define FILESYSTEM_DOCK_H
  
  #include "scene/gui/box_container.h"
  #include "scene/gui/control.h"
  #include "scene/gui/dialogs.h"
  //#include "scene/gui/item_list.h"
  #include "scene/gui/label.h"
  #include "scene/gui/menu_button.h"
  #include "scene/gui/option_button.h"
  #include "scene/gui/progress_bar.h"
  #include "scene/gui/split_container.h"
  #include "scene/gui/tool_button.h"
  #include "scene/gui/tree.h"
  #include "scene/main/timer.h"
  
  #include "core/os/dir_access.h"
  #include "core/os/thread.h"
  
  #include "create_dialog.h"
  
  #include "dependency_editor.h"
  #include "editor_dir_dialog.h"
  #include "editor_file_system.h"
  #include "script_create_dialog.h"
  
  class EditorNode;
  
  class GODOT_EXPORT FileSystemDock : public VBoxContainer {
      GDCLASS(FileSystemDock,VBoxContainer)
  
  public:
      enum FileListDisplayMode {
          FILE_LIST_DISPLAY_THUMBNAILS,
          FILE_LIST_DISPLAY_LIST
      };
  
      enum DisplayMode {
          DISPLAY_MODE_TREE_ONLY,
          DISPLAY_MODE_SPLIT,
      };
  
  private:
      enum FileMenu {
          FILE_OPEN,
          FILE_INHERIT,
          FILE_MAIN_SCENE,
          FILE_INSTANCE,
          FILE_ADD_FAVORITE,
          FILE_REMOVE_FAVORITE,
          FILE_DEPENDENCIES,
          FILE_OWNERS,
          FILE_MOVE,
          FILE_RENAME,
          FILE_REMOVE,
          FILE_DUPLICATE,
          FILE_REIMPORT,
          FILE_INFO,
          FILE_NEW_FOLDER,
          FILE_NEW_SCRIPT,
          FILE_NEW_SCENE,
          FILE_SHOW_IN_EXPLORER,
          FILE_COPY_PATH,
          FILE_NEW_RESOURCE,
          FOLDER_EXPAND_ALL,
          FOLDER_COLLAPSE_ALL,
      };
  
      VBoxContainer *scanning_vb;
      ProgressBar *scanning_progress;
      VSplitContainer *split_box;
      VBoxContainer *file_list_vb;
  
      EditorNode *editor;
      Set<String> favorites;
  
      Button *button_toggle_display_mode;
      Button *button_reload;
      Button *button_file_list_display_mode;
      Button *button_hist_next;
      Button *button_hist_prev;
      LineEdit *current_path;
      LineEdit *tree_search_box;
      LineEdit *file_list_search_box;
  
      String searched_string;
      Vector<String> uncollapsed_paths_before_search;
  
      TextureRect *search_icon;
      HBoxContainer *path_hb;
  
      FileListDisplayMode file_list_display_mode;
      DisplayMode display_mode;
      DisplayMode old_display_mode;
  
      PopupMenu *file_list_popup;
      PopupMenu *tree_popup;
  
      DependencyEditor *deps_editor;
      DependencyEditorOwners *owners_editor;
      DependencyRemoveDialog *remove_dialog;
  
      EditorDirDialog *move_dialog;
      ConfirmationDialog *rename_dialog;
      LineEdit *rename_dialog_text;
      ConfirmationDialog *duplicate_dialog;
      LineEdit *duplicate_dialog_text;
      ConfirmationDialog *make_dir_dialog;
      LineEdit *make_dir_dialog_text;
      ConfirmationDialog *make_scene_dialog;
      LineEdit *make_scene_dialog_text;
      ConfirmationDialog *overwrite_dialog;
      ScriptCreateDialog *make_script_dialog;
      CreateDialog *new_resource_dialog;
  
      bool always_show_folders;
  
      class FileOrFolder {
      public:
          String path;
          bool is_file=false;
  
          FileOrFolder() :
                  path("") {}
          FileOrFolder(StringView p_path, bool p_is_file) :
                  path(p_path),
                  is_file(p_is_file) {}
      };
      FileOrFolder to_rename;
      FileOrFolder to_duplicate;
      Vector<FileOrFolder> to_move;
      String to_move_path;
  
      Vector<String> history;
      int history_pos;
      int history_max_size;
  
      String path;
  
      bool initialized;
  
      bool updating_tree;
      int tree_update_id;
      Tree *tree;
      ItemList *files;
      bool import_dock_needs_update;
  
      Ref<Texture> _get_tree_item_icon(EditorFileSystemDirectory *p_dir, int p_idx);
      bool _create_tree(TreeItem *p_parent, EditorFileSystemDirectory *p_dir, Vector<String> &uncollapsed_paths, bool p_select_in_favorites, bool p_unfold_path=false);
      Vector<String> _compute_uncollapsed_paths();
      void _update_tree(const Vector<String> &p_uncollapsed_paths = null_string_pvec, bool p_uncollapse_root = false, bool p_select_in_favorites = false, bool p_unfold_path=false);
      void _navigate_to_path(StringView p_path, bool p_select_in_favorites = false);
  
      void _file_list_gui_input(const Ref<InputEvent>& p_event);
      void _tree_gui_input(const Ref<InputEvent>& p_event);
  
      void _update_file_list(bool p_keep_selection);
      void _toggle_file_display();
      void _set_file_display(bool p_active);
      void _fs_changed();
  
      void _tree_toggle_collapsed();
  
      void _select_file(StringView p_path, bool p_select_in_favorites = false);
      void _tree_activate_file();
      void _file_list_activate_file(int p_idx);
      void _file_multi_selected(int p_index, bool p_selected);
      void _tree_multi_selected(Object *p_item, int p_column, bool p_selected);
  
      void _update_import_dock();
  
      void _get_all_items_in_dir(EditorFileSystemDirectory *efsd, Vector<String> &files, Vector<String> &folders) const;
      void _find_remaps(EditorFileSystemDirectory *efsd, const HashMap<String, String> &renames, Vector<String> &to_remaps) const;
      void _try_move_item(const FileOrFolder &p_item, StringView p_new_path, HashMap<String, String> &p_file_renames, HashMap<String, String> &p_folder_renames);
      void _try_duplicate_item(const FileOrFolder &p_item, const String &p_new_path) const;
      void _update_dependencies_after_move(const HashMap<String, String> &p_renames) const;
      void _update_resource_paths_after_move(const HashMap<String, String> &p_renames) const;
      void _save_scenes_after_move(const HashMap<String, String> &p_renames) const;
      void _update_favorites_list_after_move(const HashMap<String, String> &p_files_renames, const HashMap<String, String> &p_folders_renames) const;
      void _update_project_settings_after_move(const HashMap<String, String> &p_renames) const;
  
      void _file_removed(const String& p_file);
      void _folder_removed(const String& p_folder);
      void _files_moved(UIString p_old_file, UIString p_new_file);
      void _folder_moved(UIString p_old_folder, UIString p_new_folder);
  
      void _resource_created();
      void _make_dir_confirm();
      void _make_scene_confirm();
      void _rename_operation_confirm();
      void _duplicate_operation_confirm();
      void _move_with_overwrite();
      bool _check_existing();
      void _move_operation_confirm(StringView p_to_path, bool overwrite = false);
  
      void _tree_rmb_option(int p_option);
      void _file_list_rmb_option(int p_option);
      void _file_option(int p_option, const Vector<String> &p_selected);
  
      void _fw_history();
      void _bw_history();
      void _update_history();
      void _push_to_history();
  
      void _set_scanning_mode();
      void _rescan();
  
      void _toggle_split_mode(bool p_active);
  
      void _search_changed(const String &p_text, const Control *p_from);
  
      void _file_and_folders_fill_popup(PopupMenu *p_popup, const Vector<String> &p_paths, bool p_display_path_dependent_options = true);
      void _tree_rmb_select(const Vector2 &p_pos);
      void _tree_rmb_empty(const Vector2 &p_pos);
      void _file_list_rmb_select(int p_item, const Vector2 &p_pos);
      void _file_list_rmb_pressed(const Vector2 &p_pos);
      void _tree_empty_selected();
  
      struct FileInfo {
          String name;
          String path;
          StringName type;
          Vector<String> sources;
          bool import_broken;
  
          bool operator<(const FileInfo &fi) const;
      };
  
      void _search(EditorFileSystemDirectory *p_path, List<FileInfo> *matches, int p_max_items);
  
      void _set_current_path_text(StringView p_path);
  public: // made public for scripting API
      Variant get_drag_data_fw(const Point2 &p_point, Control *p_from);
      bool can_drop_data_fw(const Point2 &p_point, const Variant &p_data, Control *p_from) const;
      void drop_data_fw(const Point2 &p_point, const Variant &p_data, Control *p_from);
  private:
      void _get_drag_target_folder(String &target, bool &target_favorites, const Point2 &p_point, Control *p_from) const;
  
      void _preview_invalidated(StringView p_path);
      void _file_list_thumbnail_done(StringView p_path, const Ref<Texture> &p_preview, const Ref<Texture> &p_small_preview, const Variant &p_udata);
      void _tree_thumbnail_done(StringView p_path, const Ref<Texture> &p_preview, const Ref<Texture> &p_small_preview, const Variant &p_udata);
  
      void _update_display_mode(bool p_force = false);
  
      Vector<String> _tree_get_selected(bool remove_self_inclusion = true);
  
      bool _is_file_type_disabled_by_feature_profile(const StringName &p_class);
  
      void _feature_profile_changed();
      Vector<String> _remove_self_included_paths(const Vector<String> &selected_strings);
  
  protected:
      void _notification(int p_what);
      static void _bind_methods();
  
  public:
      String get_selected_path() const;
  
      const String &get_current_path() const;
      void navigate_to_path(StringView p_path);
      void focus_on_filter();
  
      void fix_dependencies(const String &p_for_file);
  
      int get_split_offset() { return split_box->get_split_offset(); }
      void set_split_offset(int p_offset) { split_box->set_split_offset(p_offset); }
      void select_file(StringView p_file);
  
      void set_display_mode(DisplayMode p_display_mode);
      DisplayMode get_display_mode() { return display_mode; }
  
      void set_file_list_display_mode(FileListDisplayMode p_mode);
      FileListDisplayMode get_file_list_display_mode() { return file_list_display_mode; };
  
      FileSystemDock(EditorNode *p_editor);
      ~FileSystemDock() override;
  };
  
  #endif // SCENES_DOCK_H
  