/*
	PIQt Utils - Qt utilites for PIP

	Ivan Pelipenko peri4ko@yandex.ru, Andrey Bychkov work.a.b@yandex.ru

	This program is free software: you can redistribute it and/or modify
	it under the terms of the GNU Lesser General Public License as published by
	the Free Software Foundation, either version 3 of the License, or
	(at your option) any later version.

	This program is distributed in the hope that it will be useful,
	but WITHOUT ANY WARRANTY; without even the implied warranty of
	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
	GNU Lesser General Public License for more details.

	You should have received a copy of the GNU Lesser General Public License
	along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

#ifndef pivaluetree_edit_H
#define pivaluetree_edit_H

#include "pivaluetree.h"
#include "qad_piqt_utils_export.h"
#include "qicon.h"
#include "qmenu.h"

#include <QLabel>
#include <QWidget>

class QGridLayout;
class QToolButton;
class PIVariantEdit;
namespace Ui {
class PIValueTreeEditArray;
class PIValueTreeEditParameters;
} // namespace Ui

class QAD_PIQT_UTILS_EXPORT PIValueTreeEdit: public QWidget {
	Q_OBJECT

public:
	PIValueTreeEdit(QWidget * parent = nullptr);
	~PIValueTreeEdit();

	enum TreeStyle {
		Label
	};

	void setValue(const PIValueTree & v);
	PIValueTree value() const;

	bool isGroupingEnabled() const { return is_grouping; }
	void setGroupingEnabled(bool yes);
	bool isFullEditMode() const { return is_full_edit; }
	void setFullEditMode(bool yes);

	void rollback();
	void clear();

private:
	void changeEvent(QEvent * e) override;

	void removeAll();
	void build();
	void applyValues() const;
	void actionTriggered(QToolButton * button, const PIString & vn, QAction * a);

	class GridWidgets: public QWidget {
	public:
		GridWidgets(Ui::PIValueTreeEditParameters * ui_);
		int rowCount() const { return row_count; }
		int getRow(QWidget * w) const;
		void removeRow(int index);
		void add(const PIValueTree & vt, QString label, QWidget * w, const QString & comment);
		void add(const PIValueTree & vt, QWidget * w);
		int beginRow(const PIValueTree & vt);
		void rename(QString prev_name, QString new_name);
		void clear();

		bool create_edit_buttons = false;
		PIValueTreeEdit * parent;

	private:
		void simplify();

		int row_count     = 0;
		QGridLayout * lay = nullptr;
		QMenu conf_menu;
		QWidgetList widgets;
		QList<QLabel *> labels;
		QIcon icon_conf;
		Ui::PIValueTreeEditParameters * ui_params;
	};

	QWidget * widget_array = nullptr;
	QDialog * widget_params;
	PIStringList root_path;
	PIVector<PIVariantEdit *> array_edits;
	PIMap<PIString, PIVariantEdit *> value_edits;
	PIMap<PIString, PIValueTreeEdit *> tree_edits;
	Ui::PIValueTreeEditArray * ui_array;
	Ui::PIValueTreeEditParameters * ui_params;
	GridWidgets * grid = nullptr;
	mutable PIValueTree source;
	int last_IDs_count = -1;
	bool is_grouping = true, is_full_edit = false;
};


#endif