#ifndef VisualSCRIPT_EDITOR_H
#define VisualSCRIPT_EDITOR_H

#include "tools/editor/plugins/script_editor_plugin.h"
#include "visual_script.h"
#include "tools/editor/property_editor.h"
#include "scene/gui/graph_edit.h"
#include "tools/editor/create_dialog.h"

class VisualScriptEditorSignalEdit;
class VisualScriptEditorVariableEdit;



class VisualScriptEditor : public ScriptEditorBase {
	OBJ_TYPE(VisualScriptEditor,ScriptEditorBase)

	enum {
		TYPE_SEQUENCE=1000,
		INDEX_BASE_SEQUENCE=1024


	};

	Ref<VisualScript> script;

	Button *base_type_select;

	HSplitContainer *main_hsplit;
	VSplitContainer *left_vsplit;

	GraphEdit *graph;

	VisualScriptEditorSignalEdit *signal_editor;

	AcceptDialog *edit_signal_dialog;
	PropertyEditor *edit_signal_edit;


	VisualScriptEditorVariableEdit *variable_editor;

	AcceptDialog *edit_variable_dialog;
	PropertyEditor *edit_variable_edit;

	UndoRedo *undo_redo;

	Tree *members;
	Tree *nodes;

	Label *hint_text;
	Timer *hint_text_timer;

	Label *select_func_text;

	void _show_hint(const String& p_hint);
	void _hide_timer();

	CreateDialog *select_base_type;

	struct VirtualInMenu {
		String name;
		Variant::Type ret;
		bool ret_variant;
		Vector< Pair<Variant::Type,String> > args;
	};

	Map<int,VirtualInMenu> virtuals_in_menu;

	PopupMenu *new_function_menu;


	StringName edited_func;

	void _update_graph_connections();
	void _update_graph(int p_only_id=-1);

	bool updating_members;

	void _update_members();

	StringName selected;

	String _validate_name(const String& p_name) const;


	void _node_selected(Node* p_node);

	void _change_base_type_callback();
	void _change_base_type();
	void _member_selected();
	void _member_edited();
	void _override_pressed(int p_id);

	void _begin_node_move();
	void _end_node_move();
	void _move_node(String func,int p_id,const Vector2& p_to);

	void _node_moved(Vector2 p_from,Vector2 p_to, int p_id);
	void _remove_node(int p_id);
	void _graph_connected(const String& p_from,int p_from_slot,const String& p_to,int p_to_slot);
	void _graph_disconnected(const String& p_from,int p_from_slot,const String& p_to,int p_to_slot);
	void _node_ports_changed(const String& p_func,int p_id);
	void _available_node_doubleclicked();

	void _update_available_nodes();

	void _member_button(Object *p_item, int p_column, int p_button);


	String revert_on_drag;

	void _input(const InputEvent& p_event);
	void _on_nodes_delete();
	void _on_nodes_duplicate();

	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);


protected:

	static void _bind_methods();
public:

	virtual void apply_code();
	virtual Ref<Script> get_edited_script() const;
	virtual Vector<String> get_functions();
	virtual void set_edited_script(const Ref<Script>& p_script);
	virtual void reload_text();
	virtual String get_name();
	virtual Ref<Texture> get_icon();
	virtual bool is_unsaved();
	virtual Variant get_edit_state();
	virtual void set_edit_state(const Variant& p_state);
	virtual void goto_line(int p_line);
	virtual void trim_trailing_whitespace();
	virtual void ensure_focus();
	virtual void tag_saved_version();
	virtual void reload(bool p_soft);
	virtual void get_breakpoints(List<int> *p_breakpoints);
	virtual bool goto_method(const String& p_method);
	virtual void add_callback(const String& p_function,StringArray p_args);
	virtual void update_settings();

	virtual void set_tooltip_request_func(String p_method,Object* p_obj);
	virtual Control *get_edit_menu();

	static void register_editor();

	VisualScriptEditor();
	~VisualScriptEditor();
};

#endif // VisualSCRIPT_EDITOR_H