text: /*************************************************************************/
  /*  property_editor.h                                                    */
  /*************************************************************************/
  /*                       This file is part of:                           */
  /*                           GODOT ENGINE                                */
  /*                    http://www.godotengine.org                         */
  /*************************************************************************/
  /* Copyright (c) 2007-2016 Juan Linietsky, Ariel Manzur.                 */
  /*                                                                       */
  /* 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  */
  /* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
  /* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
  /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
  /*************************************************************************/
  #ifndef PROPERTY_EDITOR_H
  #define PROPERTY_EDITOR_H
  
  #include "scene/gui/tree.h"
  #include "scene/gui/button.h"
  #include "scene/gui/check_box.h"
  #include "scene/gui/label.h"
  #include "tools/editor/editor_file_dialog.h"
  #include "scene/gui/dialogs.h"
  #include "scene/gui/color_picker.h"
  #include "scene/gui/menu_button.h"
  #include "scene/gui/texture_frame.h"
  #include "scene/gui/text_edit.h"
  #include "scene/gui/check_button.h"
  #include "scene/gui/split_container.h"
  #include "scene_tree_editor.h"
  
  /**
  	@author Juan Linietsky <reduzio@gmail.com>
  */
  
  class PropertyValueEvaluator;
  class CreateDialog;
  class PropertySelector;
  
  class CustomPropertyEditor : public Popup {
  
  	OBJ_TYPE( CustomPropertyEditor, Popup );
  
  	enum {
  		MAX_VALUE_EDITORS=12,
  		MAX_ACTION_BUTTONS=5,
  		OBJ_MENU_LOAD=0,
  		OBJ_MENU_EDIT=1,
  		OBJ_MENU_CLEAR=2,
  		OBJ_MENU_MAKE_UNIQUE=3,
  		OBJ_MENU_COPY=4,
  		OBJ_MENU_PASTE=5,
  		OBJ_MENU_REIMPORT=6,
  		OBJ_MENU_NEW_SCRIPT=7,
  		TYPE_BASE_ID=100
  
  	};
  
  	enum {
  		EASING_LINEAR,
  		EASING_EASE_IN,
  		EASING_EASE_OUT,
  		EASING_ZERO,
  		EASING_IN_OUT,
  		EASING_OUT_IN
  	};
  
  
  	PopupMenu *menu;
  	SceneTreeDialog *scene_tree;
  	EditorFileDialog *file;
  	ConfirmationDialog *error;
  	String name;
  	Variant::Type type;
  	Variant v;
  	int hint;
  	String hint_text;
  	LineEdit *value_editor[MAX_VALUE_EDITORS];
  	Label *value_label[MAX_VALUE_EDITORS];
  	HScrollBar *scroll[4];
  	Button *action_buttons[MAX_ACTION_BUTTONS];
  	MenuButton *type_button;
  	Vector<String> inheritors_array;
  	TextureFrame *texture_preview;
  	ColorPicker *color_picker;
  	TextEdit *text_edit;
  	bool read_only;
  	CheckBox *checks20[20];
  	SpinBox *spinbox;
  	HSlider *slider;
  
  
  	Control *easing_draw;
  	CreateDialog *create_dialog;
  	PropertySelector *property_select;
  
  	Object* owner;
  
  	bool updating;
  
  	PropertyValueEvaluator *evaluator;
  
  	void _text_edit_changed();
  	void _file_selected(String p_file);
  	void _scroll_modified(double p_value);
  	void _modified(String p_string);
  	void _range_modified(double p_value);
  	void _focus_enter();
  	void _focus_exit();
  	void _action_pressed(int p_which);
  	void _type_create_selected(int p_idx);
  	void _create_dialog_callback();
  	void _create_selected_property(const String &p_prop);
  
  
  	void _color_changed(const Color& p_color);
  	void _draw_easing();
  	void _menu_option(int p_which);
  
  	void _drag_easing(const InputEvent& p_ev);
  
  	void _node_path_selected(NodePath p_path);
  	void show_value_editors(int p_amount);
  	void config_value_editors(int p_amount, int p_columns,int p_label_w,const List<String>& p_strings);
  	void config_action_buttons(const List<String>& p_strings);
  
  
  protected:
  
  	void _notification(int p_what);
  	static void _bind_methods();
  
  public:
  
  
  	void hide_menu();
  
  	Variant get_variant() const;
  	String get_name() const;
  
  	void set_read_only(bool p_read_only) { read_only=p_read_only; }
  
  	void set_value_evaluator( PropertyValueEvaluator *p_evaluator) { evaluator=p_evaluator; }
  
  	bool edit(Object* p_owner,const String& p_name,Variant::Type p_type, const Variant& p_variant,int p_hint,String p_hint_text);
  
  	CustomPropertyEditor();
  };
  
  class PropertyEditor : public Control {
  
  	OBJ_TYPE( PropertyEditor, Control );
  
  	Tree *tree;
  	Label *top_label;
  	//Object *object;
  	LineEdit *search_box;
  
  	PropertyValueEvaluator *evaluator;
  
  	Object* obj;
  
  	Array _prop_edited_name;
  	StringName _prop_edited;
  
  	bool capitalize_paths;
  	bool changing;
  	bool update_tree_pending;
  	bool autoclear;
  	bool keying;
  	bool read_only;
  	bool show_categories;
  	bool show_type_icons;
  	float refresh_countdown;
  	bool use_doc_hints;
  	bool use_filter;
  	bool subsection_selectable;
  
  	HashMap<String,String> pending;
  	String selected_property;
  
  	Map<StringName,Map<StringName,String> > descr_cache;
  	Map<StringName,String > class_descr_cache;
  
  	CustomPropertyEditor *custom_editor;
  
  	void _resource_edit_request();
  	void _custom_editor_edited();
  	void _custom_editor_request(bool p_arrow);
  
  	void _item_selected();
  	void _item_edited();
  	TreeItem *get_parent_node(String p_path,HashMap<String,TreeItem*>& item_paths,TreeItem *root);
  
  	void set_item_text(TreeItem *p_item, int p_type, const String& p_name, int p_hint=PROPERTY_HINT_NONE, const String& p_hint_text="");
  
  	TreeItem *find_item(TreeItem *p_item,const String& p_name);
  
  
  	virtual void _changed_callback(Object *p_changed,const char * p_what);
  	virtual void _changed_callbacks(Object *p_changed,const String& p_callback);
  
  	void _check_reload_status(const String&p_name,TreeItem* item);
  
  	void _edit_button(Object *p_item, int p_column, int p_button);
  
  	void _node_removed(Node *p_node);
  
  friend class ProjectExportDialog;
  	void _edit_set(const String& p_name, const Variant& p_value);
  	void _draw_flags(Object *ti,const Rect2& p_rect);
  
  	bool _might_be_in_instance();
  	bool _get_instanced_node_original_property(const StringName& p_prop,Variant& value);
  	bool _is_property_different(const Variant& p_current, const Variant& p_orig,int p_usage=0);
  
  	void _refresh_item(TreeItem *p_item);
  	void _set_range_def(Object *p_item, String prop, float p_frame);
  
  	void _filter_changed(const String& p_text);
  
  	void _mark_drop_fields(TreeItem* p_at);
  	void _clear_drop_fields(TreeItem* p_at);
  
  	bool _is_drop_valid(const Dictionary& p_drag_data, const Dictionary& p_item_data) const;
  	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);
  
  	void _resource_preview_done(const String& p_path,const Ref<Texture>& p_preview,Variant p_ud);
  
  	UndoRedo *undo_redo;
  protected:
  
  	void _notification(int p_what);
  	static void _bind_methods();
  public:
  
  	void set_undo_redo(UndoRedo *p_undo_redo) { undo_redo=p_undo_redo; }
  
  	String get_selected_path() const;
  
  	Tree *get_scene_tree();
  	Label* get_top_label();
  	void hide_top_label();
  	void update_tree();
  	void update_property(const String& p_prop);
  
  	void refresh();
  
  	void edit(Object* p_object);
  
  	void set_keying(bool p_active);
  	void set_read_only(bool p_read_only) { read_only=p_read_only; custom_editor->set_read_only(p_read_only);}
  
  	void set_capitalize_paths(bool p_capitalize);
  	void set_autoclear(bool p_enable);
  
  	void set_show_categories(bool p_show);
  	void set_use_doc_hints(bool p_enable) { use_doc_hints=p_enable; }
  
  	void set_use_filter(bool p_use);
  	void register_text_enter(Node *p_line_edit);
  
  	void set_subsection_selectable(bool p_selectable);
  
  	PropertyEditor();
  	~PropertyEditor();
  
  };
  
  
  class SectionedPropertyEditorFilter;
  
  class SectionedPropertyEditor : public HBoxContainer {
  
  
  	OBJ_TYPE(SectionedPropertyEditor,HBoxContainer);
  
  	ObjectID obj;
  
  	ItemList *sections;
  	SectionedPropertyEditorFilter *filter;
  	PropertyEditor *editor;
  
  
  	static void _bind_methods();
  	void _section_selected(int p_which);
  
  public:
  
  	PropertyEditor *get_property_editor();
  	void edit(Object* p_object);
  	String get_full_item_path(const String& p_item);
  
  	void set_current_section(const String& p_section);
  	String get_current_section() const;
  
  	void update_category_list();
  
  	SectionedPropertyEditor();
  	~SectionedPropertyEditor();
  };
  
  class PropertyValueEvaluator : public ValueEvaluator {
  	OBJ_TYPE( PropertyValueEvaluator, ValueEvaluator );
  
  	Object *obj;
  	ScriptLanguage *script_language;
  	String _build_script(const String& p_text);
  
  	_FORCE_INLINE_ double _default_eval(const String& p_text) {
  		return p_text.to_double();
  	}
  
  public:
  
  	void edit(Object *p_obj);
  	double eval(const String& p_text);
  
  	PropertyValueEvaluator();
  	~PropertyValueEvaluator();
  };
  
  #endif
  