Element editor : improve code

Better use of signal partsAdded and partsRemoved

sources/editor/UndoCommand/deletepartscommand.h

@@ -0,0 +1,48 @@
+/*
+	Copyright 2006-2022 The QElectroTech Team
+	This file is part of QElectroTech.
+
+	QElectroTech is free software: you can redistribute it and/or modify
+	it under the terms of the GNU General Public License as published by
+	the Free Software Foundation, either version 2 of the License, or
+	(at your option) any later version.
+
+	QElectroTech 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 General Public License for more details.
+
+	You should have received a copy of the GNU General Public License
+	along with QElectroTech.  If not, see <http://www.gnu.org/licenses/>.
+*/
+#ifndef DELETEPARTSCOMMAND_H
+#define DELETEPARTSCOMMAND_H
+
+#include <QUndoCommand>
+#include <QPointer>
+
+class ElementScene;
+class QGraphicsItem;
+
+/**
+ * @brief The DeletePartsCommand class
+ * Class used to remove part from an element scene.
+ */
+class DeletePartsCommand : public QUndoCommand
+{
+	public:
+		DeletePartsCommand(QPointer<ElementScene> scene, const QVector<QGraphicsItem *> &parts, QUndoCommand *parent = nullptr);
+		~DeletePartsCommand() override;
+	private:
+		DeletePartsCommand(const DeletePartsCommand &);
+
+	public:
+		void undo() override;
+		void redo() override;
+
+	private:
+		QPointer<ElementScene> m_scene;
+		QVector<QGraphicsItem *> m_parts;
+};
+
+#endif // DELETEPARTSCOMMAND_H