Replace AddItemCommand class by AddGraphicsObjectCommand

The class is the same except the name and the use of QPointer to avoid
segfault with deleted QGraphicsObject.

sources/diagramcommands.cpp

@@ -1,5 +1,5 @@
 /*
-	Copyright 2006-2020 The QElectroTech Team
+	Copyright 2006-2021 The QElectroTech Team
 	This file is part of QElectroTech.
 	
 	QElectroTech is free software: you can redistribute it and/or modify
@@ -29,20 +29,6 @@
 
 #include <QPropertyAnimation>
 
-QString itemText(const QetGraphicsItem *item) {
-	return item->name();
-}
-
-QString itemText(const IndependentTextItem *item) {
-	Q_UNUSED(item)
-	return QObject::tr("un champ texte");
-}
-
-QString itemText(const Conductor *item) {
-	Q_UNUSED(item)
-	return QObject::tr("un conducteur");
-}
-
 /**
 	@brief PasteDiagramCommand::PasteDiagramCommand
 	Constructor

sources/diagramcommands.h

@@ -1,5 +1,5 @@
 /*
-	Copyright 2006-2020 The QElectroTech Team
+	Copyright 2006-2021 The QElectroTech Team
 	This file is part of QElectroTech.
 	
 	QElectroTech is free software: you can redistribute it and/or modify
@@ -33,54 +33,6 @@ class IndependentTextItem;
 class DiagramImageItem;
 class QetGraphicsItem;
 
-/**
-	@brief The AddItemCommand class
-	This command add an item in a diagram
-	The item to add is template, but must be QGraphicsItem or derived.
-*/
-template <typename QGI>
-class AddItemCommand : public QUndoCommand {
-	public:
-		AddItemCommand(QGI item, Diagram *diagram,
-			       const QPointF &pos = QPointF(),
-			       QUndoCommand *parent = nullptr) :
-			QUndoCommand (parent),
-			m_item (item),
-			m_diagram (diagram),
-			m_pos(pos)
-		{
-			setText(QObject::tr("Ajouter ") + itemText(item));
-			m_diagram -> qgiManager().manage(m_item);
-		}
-
-		~AddItemCommand() override {
-			m_diagram -> qgiManager().release(m_item);
-		}
-
-		void undo() override {
-			m_diagram -> showMe();
-			m_diagram -> removeItem(m_item);
-			QUndoCommand::undo();
-		}
-
-		void redo() override {
-			m_diagram -> showMe();
-			m_diagram -> addItem(m_item);
-			m_item    -> setPos(m_pos);
-			QUndoCommand::redo();
-		}
-
-	private:
-		QGI m_item;
-		Diagram *m_diagram;
-		QPointF m_pos;
-};
-
-//Return a string to describe a QGraphicsItem
-QString itemText(const QetGraphicsItem     *item);
-QString itemText(const IndependentTextItem *item);
-QString itemText(const Conductor           *item);
-
 /**
 	@brief The PasteDiagramCommand class
 	This command pastes some content onto a particular diagram.

sources/diagramevent/diagrameventaddelement.cpp

@@ -19,9 +19,10 @@
 
 #include "../conductorautonumerotation.h"
 #include "../diagram.h"
-#include "../diagramcommands.h"
+#include "../undocommand/addgraphicsobjectcommand.h"
 #include "../factory/elementfactory.h"
 #include "../qetgraphicsitem/element.h"
+#include "../qetgraphicsitem/conductor.h"
 
 /**
 	@brief DiagramEventAddElement::DiagramEventAddElement
@@ -228,7 +229,7 @@ void DiagramEventAddElement::addElement()
 	element->m_converted_text_from_xml_description.clear();
 
 	QUndoCommand *undo_object = new QUndoCommand(tr("Ajouter %1").arg(element->name()));
-	new AddItemCommand<Element *>(element, m_diagram, m_element -> pos(), undo_object);
+	new AddGraphicsObjectCommand(element, m_diagram, m_element -> pos(), undo_object);
 
 		//When we search for free aligned terminal we
 		//temporally  remove m_element to avoid any interaction with the function Element::AlignedFreeTerminals
@@ -242,7 +243,7 @@ void DiagramEventAddElement::addElement()
 		QPair <Terminal *, Terminal *> pair = element -> AlignedFreeTerminals().takeFirst();
 
 		Conductor *conductor = new Conductor(pair.first, pair.second);
-		new AddItemCommand<Conductor *>(conductor, m_diagram, QPointF(), undo_object);
+		new AddGraphicsObjectCommand(conductor, m_diagram, QPointF(), undo_object);
 
 			//Autonum the new conductor, the undo command associated for this, have for parent undo_object
 		ConductorAutoNumerotation can  (conductor, m_diagram, undo_object);

sources/diagramevent/diagrameventaddimage.cpp

@@ -19,7 +19,7 @@
 #include "diagrameventaddimage.h"
 
 #include "../diagram.h"
-#include "../diagramcommands.h"
+#include "../undocommand/addgraphicsobjectcommand.h"
 #include "../qetgraphicsitem/diagramimageitem.h"
 
 /**
@@ -62,7 +62,7 @@ void DiagramEventAddImage::mousePressEvent(QGraphicsSceneMouseEvent *event)
 		QPointF pos = event->scenePos();
 		pos.rx() -= m_image->boundingRect().width()/2;
 		pos.ry() -= m_image->boundingRect().height()/2;
-		m_diagram -> undoStack().push (new AddItemCommand<DiagramImageItem *>(m_image, m_diagram, pos));
+		m_diagram -> undoStack().push (new AddGraphicsObjectCommand(m_image, m_diagram, pos));
 		
 		for (QGraphicsView *view : m_diagram->views()) {
 			view->setContextMenuPolicy((Qt::DefaultContextMenu));
@@ -88,7 +88,7 @@ void DiagramEventAddImage::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
 {
 	if (!m_image || event->buttons() != Qt::NoButton) {
 		return;
-	};
+	}
 	
 	QPointF pos = event->scenePos();
 	

sources/diagramevent/diagrameventaddshape.cpp

@@ -18,7 +18,7 @@
 #include "diagrameventaddshape.h"
 
 #include "../diagram.h"
-#include "../diagramcommands.h"
+#include "../undocommand/addgraphicsobjectcommand.h"
 
 /**
 	@brief DiagramEventAddShape::DiagramEventAddShape
@@ -89,7 +89,7 @@ void DiagramEventAddShape::mousePressEvent(QGraphicsSceneMouseEvent *event)
 			if (m_shape_item->shapeType() == QetShapeItem::Rectangle || m_shape_item->shapeType() == QetShapeItem::Ellipse) {
 				m_shape_item->setRect(m_shape_item->rect().normalized());
 			}
-			m_diagram->undoStack().push (new AddItemCommand<QetShapeItem *> (m_shape_item, m_diagram));
+			m_diagram->undoStack().push (new AddGraphicsObjectCommand(m_shape_item, m_diagram));
 			m_shape_item = nullptr; //< set to nullptr for create new shape at next left clic
 		}
 			//Else add a new point to polyline
@@ -192,7 +192,7 @@ void DiagramEventAddShape::mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event
 			m_shape_item->removePoints();
 			m_shape_item->setClosed(true);
 		}
-		m_diagram->undoStack().push (new AddItemCommand<QetShapeItem *> (m_shape_item, m_diagram));
+		m_diagram->undoStack().push (new AddGraphicsObjectCommand(m_shape_item, m_diagram));
 		m_shape_item = nullptr; //< set to nullptr for create new shape at next left clic
 		event->setAccepted(true);
 	}

sources/diagramevent/diagrameventaddtext.cpp

@@ -19,7 +19,7 @@
 #include "diagrameventaddtext.h"
 
 #include "../diagram.h"
-#include "../diagramcommands.h"
+#include "../undocommand/addgraphicsobjectcommand.h"
 #include "../qetgraphicsitem/independenttextitem.h"
 
 /**
@@ -46,11 +46,10 @@ void DiagramEventAddText::mousePressEvent(QGraphicsSceneMouseEvent *event)
 	if (event->button() == Qt::LeftButton)
 	{
 		IndependentTextItem *text = new IndependentTextItem();
-		m_diagram -> undoStack().push(
-					new AddItemCommand<IndependentTextItem *>(
-						text,
-						m_diagram,
-						event->scenePos()));
+		m_diagram->undoStack().push(new AddGraphicsObjectCommand(
+										text,
+										m_diagram,
+										event->scenePos()));
 		text->setTextInteractionFlags(Qt::TextEditorInteraction);
 		text->setFocus(Qt::MouseFocusReason);
 		emit finish();

sources/diagramview.cpp

@@ -32,6 +32,7 @@
 #include "ui/multipastedialog.h"
 #include "undocommand/changetitleblockcommand.h"
 #include "utils/conductorcreator.h"
+#include "undocommand/addgraphicsobjectcommand.h"
 
 #include <QDropEvent>
 
@@ -283,16 +284,14 @@ void DiagramView::handleTextDrop(QDropEvent *e) {
 
 #if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)	// ### Qt 6: remove
 
-	m_diagram -> undoStack().push(
-				new AddItemCommand<IndependentTextItem *>(
-					iti, m_diagram, mapToScene(e->pos())));
+	m_diagram->undoStack().push(new AddGraphicsObjectCommand(
+									iti, m_diagram, mapToScene(e->pos())));
 #else
 #if TODO_LIST
 #pragma message("@TODO remove code for QT 6 or later")
 #endif
-	m_diagram -> undoStack().push(
-				new AddItemCommand<IndependentTextItem *>(
-					iti, m_diagram, e->position()));
+	m_diagram->undoStack().push(new AddGraphicsObjectCommand(
+									iti, m_diagram, e->position()));
 #endif
 }
 

sources/elementsmover.cpp

@@ -19,14 +19,15 @@
 
 #include "conductorautonumerotation.h"
 #include "diagram.h"
-#include "diagramcommands.h"
 #include "qetgraphicsitem/conductor.h"
+#include "diagramcommands.h"
 #include "qetgraphicsitem/conductortextitem.h"
 #include "qetgraphicsitem/diagramimageitem.h"
 #include "qetgraphicsitem/dynamicelementtextitem.h"
 #include "qetgraphicsitem/element.h"
 #include "qetgraphicsitem/elementtextitemgroup.h"
 #include "qetgraphicsitem/independenttextitem.h"
+#include "undocommand/addgraphicsobjectcommand.h"
 
 /**
 	@brief ElementsMover::ElementsMover Constructor
@@ -185,7 +186,7 @@ void ElementsMover::endMovement()
 			Conductor *conductor = new Conductor(pair.first, pair.second);
 
 				//Create an undo object for each new auto conductor, with undo_object for parent
-			new AddItemCommand<Conductor *>(conductor, diagram_, QPointF(), undo_object);
+			new AddGraphicsObjectCommand(conductor, diagram_, QPointF(), undo_object);
 				if (undo_object->text().isEmpty())
 					undo_object->setText(QObject::tr("Ajouter %n conducteur(s)", "add a numbers of conductor one or more", acc));
 

sources/qetgraphicsitem/terminal.cpp

@@ -19,7 +19,7 @@
 
 #include "../conductorautonumerotation.h"
 #include "../diagram.h"
-#include "../diagramcommands.h"
+#include "../undocommand/addgraphicsobjectcommand.h"
 #include "../properties/terminaldata.h"
 #include "../qetgraphicsitem/conductor.h"
 #include "../qetgraphicsitem/element.h"
@@ -676,7 +676,7 @@ void Terminal::mouseReleaseEvent(QGraphicsSceneMouseEvent *e)
 
 
 	QUndoCommand *undo = new QUndoCommand();
-	QUndoCommand *aic = new AddItemCommand<Conductor *>(new_conductor, diagram(), QPointF(), undo);
+	QUndoCommand *aic = new AddGraphicsObjectCommand(new_conductor, diagram(), QPointF(), undo);
 	undo->setText(aic->text());
 
 	if (use_properties)

sources/ui/multipastedialog.cpp

@@ -21,7 +21,9 @@
 #include "../conductorautonumerotation.h"
 #include "../diagram.h"
 #include "../diagramcommands.h"
+#include "../undocommand/addgraphicsobjectcommand.h"
 #include "../qetgraphicsitem/element.h"
+#include "../qetgraphicsitem/conductor.h"
 #include "../ui_multipastedialog.h"
 
 #include <QHash>
@@ -131,7 +133,7 @@ void MultiPasteDialog::on_m_button_box_accepted()
 						QPair <Terminal *, Terminal *> pair = elmt->AlignedFreeTerminals().takeFirst();
 
 						Conductor *conductor = new Conductor(pair.first, pair.second);
-						m_diagram->undoStack().push(new AddItemCommand<Conductor *>(conductor, m_diagram, QPointF()));
+						m_diagram->undoStack().push(new AddGraphicsObjectCommand(conductor, m_diagram, QPointF()));
 
 						//Autonum the new conductor, the undo command associated for this, have for parent undo_object
 						ConductorAutoNumerotation can  (conductor, m_diagram);

sources/undocommand/addgraphicsobjectcommand.cpp

@@ -0,0 +1,94 @@
+/*
+        Copyright 2006-2021 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/>.
+*/
+#include "addgraphicsobjectcommand.h"
+#include "../qetgraphicsitem/qetgraphicsitem.h"
+#include "../qetgraphicsitem/independenttextitem.h"
+#include "../qetgraphicsitem/conductor.h"
+#include "../diagram.h"
+
+/**
+ * @brief AddGraphicsObjectCommand::AddGraphicsObjectCommand
+ * Default constructor
+ * @param qgo : QGraphicsObject to manage by this undo command
+ * @param diagram : Diagram where the graphics object must be added
+ * @param pos : position of the qgraphics object in the diagram in scene coordinate
+ * @param parent : parent undo command of this class.
+ */
+AddGraphicsObjectCommand::AddGraphicsObjectCommand(QGraphicsObject *qgo, Diagram *diagram,
+                                                   const QPointF &pos, QUndoCommand *parent) :
+    QUndoCommand(parent),
+    m_item(qgo),
+    m_diagram(diagram),
+    m_pos(pos)
+{
+	setText(QObject::tr("Ajouter ") + itemText());
+    m_diagram->qgiManager().manage(m_item);
+}
+
+/**
+ * @brief AddGraphicsObjectCommand::~AddGraphicsObjectCommand
+ */
+AddGraphicsObjectCommand::~AddGraphicsObjectCommand() {
+    m_diagram->qgiManager().release(m_item);
+}
+
+/**
+ * @brief AddGraphicsObjectCommand::undo
+ * Reimplemented from QUndoCommand
+ */
+void AddGraphicsObjectCommand::undo()
+{
+    if (m_item)
+    {
+        m_diagram->showMe();
+        m_diagram->removeItem(m_item);
+    }
+    QUndoCommand::undo();
+}
+
+/**
+ * @brief AddGraphicsObjectCommand::redo
+ * Reimplemented from QUndoCommand
+ */
+void AddGraphicsObjectCommand::redo()
+{
+    if (m_item)
+    {
+        m_diagram->showMe();
+        m_diagram->addItem(m_item);
+        m_item->setPos(m_pos);
+    }
+    QUndoCommand::redo();
+}
+
+/**
+ * @brief AddGraphicsObjectCommand::itemText
+ * @return
+ */
+QString AddGraphicsObjectCommand::itemText() const
+{
+	if (auto qgi = dynamic_cast<QetGraphicsItem *>(m_item.data())) {
+        return qgi->name();
+	} else if (dynamic_cast<IndependentTextItem *>(m_item.data())) {
+		return QObject::tr("un champ texte");
+	} else if (dynamic_cast<Conductor *>(m_item.data())) {
+        return QObject::tr("un conducteur");
+    } else {
+        return QObject::tr("un element graphique");
+    }
+}

sources/undocommand/addgraphicsobjectcommand.h

@@ -0,0 +1,52 @@
+/*
+        Copyright 2006-2021 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 ADDGRAPHICSOBJECTCOMMAND_H
+#define ADDGRAPHICSOBJECTCOMMAND_H
+
+#include <QUndoCommand>
+#include <QPointF>
+#include <QPointer>
+
+class QGraphicsObject;
+class Diagram;
+
+/**
+ * @brief The AddGraphicsObjectCommand class
+ * Undo command to used to add item to a diagram.
+ */
+class AddGraphicsObjectCommand : public QUndoCommand
+{
+   public:
+        AddGraphicsObjectCommand(QGraphicsObject *qgo, Diagram *diagram,
+                                 const QPointF &pos = QPointF(),
+                                 QUndoCommand *parent = nullptr);
+        ~AddGraphicsObjectCommand() override;
+
+        void undo() override;
+        void redo() override;
+
+    private:
+        QString itemText() const;
+
+    private:
+        QPointer<QGraphicsObject> m_item;
+        Diagram *m_diagram = nullptr;
+        QPointF m_pos;
+};
+
+#endif // ADDGRAPHICSOBJECTCOMMAND_H

sources/undocommand/deleteqgraphicsitemcommand.cpp

@@ -18,7 +18,7 @@
 #include "deleteqgraphicsitemcommand.h"
 
 #include "../diagram.h"
-#include "../diagramcommands.h"
+#include "addgraphicsobjectcommand.h"
 #include "../qetdiagrameditor.h"
 #include "../qetgraphicsitem/ViewItem/qetgraphicstableitem.h"
 #include "../qetgraphicsitem/conductor.h"
@@ -202,7 +202,7 @@ void DeleteQGraphicsItemCommand::setPotentialsOfRemovedElements()
 #endif
 					Conductor *new_cond = new Conductor(hub_terminal, t);
 					new_cond->setProperties(properties);
-					new AddItemCommand<Conductor*>(new_cond, t->diagram(), QPointF(), this);
+					new AddGraphicsObjectCommand(new_cond, t->diagram(), QPointF(), this);
 				}
 			}
 		}

sources/utils/conductorcreator.cpp

@@ -19,7 +19,7 @@
 
 #include "../conductorautonumerotation.h"
 #include "../diagram.h"
-#include "../diagramcommands.h"
+#include "../undocommand/addgraphicsobjectcommand.h"
 #include "../qetgraphicsitem/conductor.h"
 #include "../qetgraphicsitem/element.h"
 #include "../qetgraphicsitem/terminal.h"
@@ -58,7 +58,7 @@ ConductorCreator::ConductorCreator(Diagram *d, QList<Terminal *> terminals_list)
 		Conductor *cond = new Conductor(hub_terminal, t);
 		cond->setProperties(m_properties);
 		cond->setSequenceNum(m_sequential_number);
-		d->undoStack().push(new AddItemCommand<Conductor *>(cond, d));
+		d->undoStack().push(new AddGraphicsObjectCommand(cond, d));
 		
 		c_list.append(cond);
 	}