Replace AddItemCommand class by AddGraphicsObjectCommand

The class is the same except the name and the use of QPointer to avoid segfault with deleted QGraphicsObject.
2025-12-20 16:20:52 +01:00 · 2021-02-07 16:20:55 +01:00
parent ac23010559
commit 0c4f87bd76
14 changed files with 180 additions and 94 deletions
--- a/sources/undocommand/addgraphicsobjectcommand.cpp
+++ b/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");
+    }
+}