Undo/Redo remove sheet.

src/app/puzzle/puzzle.pri

@@ -13,6 +13,7 @@ SOURCES += \
     $$PWD/undocommands/vpundooriginmove.cpp \
     $$PWD/undocommands/vpundopiecemove.cpp \
     $$PWD/undocommands/vpundopiecerotate.cpp \
+    $$PWD/undocommands/vpundoremovesheet.cpp \
     $$PWD/vpapplication.cpp \
     $$PWD/carousel/vpcarrousel.cpp \
     $$PWD/carousel/vpcarrouselpiece.cpp \
@@ -53,6 +54,7 @@ HEADERS += \
     $$PWD/undocommands/vpundooriginmove.h \
     $$PWD/undocommands/vpundopiecemove.h \
     $$PWD/undocommands/vpundopiecerotate.h \
+    $$PWD/undocommands/vpundoremovesheet.h \
     $$PWD/vpapplication.h \
     $$PWD/carousel/vpcarrousel.h \
     $$PWD/carousel/vpcarrouselpiece.h \

src/app/puzzle/scene/vpmaingraphicsview.cpp

@@ -49,6 +49,7 @@
 #include "../undocommands/vpundopiecerotate.h"
 #include "../undocommands/vpundooriginmove.h"
 #include "../undocommands/vpundomovepieceonsheet.h"
+#include "../undocommands/vpundoremovesheet.h"
 
 #include <QLoggingCategory>
 
@@ -401,22 +402,7 @@ void VPMainGraphicsView::contextMenuEvent(QContextMenuEvent *event)
     QAction *selectedAction = menu.exec(event->globalPos());
     if (selectedAction == removeSheetAction)
     {
-        if (sheet != nullptr)
-        {
-            sheet->SetVisible(false);
-
-            QList<VPPiecePtr> pieces = sheet->GetPieces();
-            for (const auto &piece : pieces)
-            {
-                if (not piece.isNull())
-                {
-                    piece->SetSheet(nullptr);
-                }
-            }
-        }
-
-        layout->SetFocusedSheet(VPSheetPtr());
-        emit on_SheetRemoved();
+        layout->UndoStack()->push(new VPUndoRemoveSheet(sheet));
     }
     else if (selectedAction == restoreOriginAction)
     {

src/app/puzzle/scene/vpmaingraphicsview.h

@@ -70,9 +70,6 @@ public:
      */
     void CleanAfterExport();
 
-signals:
-    void on_SheetRemoved();
-
 public slots:
     /**
      * @brief on_PieceSheetChanged The slot is called when the given piece was moved from the given piece list to

src/app/puzzle/undocommands/vpundoremovesheet.cpp

@@ -0,0 +1,120 @@
+/************************************************************************
+ **
+ **  @file   vpundoremovesheet.cpp
+ **  @author Roman Telezhynskyi <dismine(at)gmail.com>
+ **  @date   19 8, 2021
+ **
+ **  @brief
+ **  @copyright
+ **  This source code is part of the Valentina project, a pattern making
+ **  program, whose allow create and modeling patterns of clothing.
+ **  Copyright (C) 2021 Valentina project
+ **  <https://gitlab.com/smart-pattern/valentina> All Rights Reserved.
+ **
+ **  Valentina 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 3 of the License, or
+ **  (at your option) any later version.
+ **
+ **  Valentina 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 Valentina.  If not, see <http://www.gnu.org/licenses/>.
+ **
+ *************************************************************************/
+#include "vpundoremovesheet.h"
+#include "../vmisc/def.h"
+#include "../layout/vpsheet.h"
+#include "../layout/vppiece.h"
+#include "../layout/vplayout.h"
+
+//---------------------------------------------------------------------------------------------------------------------
+VPUndoRemoveSheet::VPUndoRemoveSheet(const VPSheetPtr &sheet, QUndoCommand *parent)
+    : VPUndoCommand(false, parent),
+      m_sheet(sheet)
+{
+    SCASSERT(not sheet.isNull())
+
+    QList<VPPiecePtr> pieces = sheet->GetPieces();
+    for (auto piece : pieces)
+    {
+        m_pieces.append(piece);
+    }
+
+    setText(tr("add sheet"));
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void VPUndoRemoveSheet::undo()
+{
+    VPSheetPtr sheet = m_sheet.toStrongRef();
+    if (sheet.isNull())
+    {
+        return;
+    }
+
+    if (not sheet.isNull())
+    {
+        sheet->SetVisible(true);
+
+        for (const auto &piece : m_pieces)
+        {
+            VPPiecePtr p = piece.toStrongRef();
+            if (not p.isNull())
+            {
+                p->SetSheet(sheet);
+            }
+        }
+
+        VPLayoutPtr layout = sheet->GetLayout();
+        if (layout.isNull())
+        {
+            return;
+        }
+
+        emit layout->SheetListChanged();
+        layout->SetFocusedSheet(sheet);
+    }
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void VPUndoRemoveSheet::redo()
+{
+    VPSheetPtr sheet = m_sheet.toStrongRef();
+    if (sheet.isNull())
+    {
+        return;
+    }
+
+    if (not sheet.isNull())
+    {
+        sheet->SetVisible(false);
+
+        for (const auto &piece : m_pieces)
+        {
+            VPPiecePtr p = piece.toStrongRef();
+            if (not p.isNull())
+            {
+                p->SetSheet(VPSheetPtr());
+            }
+        }
+    }
+
+    VPLayoutPtr layout = sheet->GetLayout();
+    if (layout.isNull())
+    {
+        return;
+    }
+
+    emit layout->SheetListChanged();
+    layout->SetFocusedSheet(VPSheetPtr());
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+int VPUndoRemoveSheet::id() const
+{
+    return static_cast<int>(ML::UndoCommand::RemoveSheet);
+}

src/app/puzzle/undocommands/vpundoremovesheet.h

@@ -0,0 +1,52 @@
+/************************************************************************
+ **
+ **  @file   vpundoremovesheet.h
+ **  @author Roman Telezhynskyi <dismine(at)gmail.com>
+ **  @date   19 8, 2021
+ **
+ **  @brief
+ **  @copyright
+ **  This source code is part of the Valentina project, a pattern making
+ **  program, whose allow create and modeling patterns of clothing.
+ **  Copyright (C) 2021 Valentina project
+ **  <https://gitlab.com/smart-pattern/valentina> All Rights Reserved.
+ **
+ **  Valentina 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 3 of the License, or
+ **  (at your option) any later version.
+ **
+ **  Valentina 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 Valentina.  If not, see <http://www.gnu.org/licenses/>.
+ **
+ *************************************************************************/
+#ifndef VPUNDOREMOVESHEET_H
+#define VPUNDOREMOVESHEET_H
+
+#include "vpundocommand.h"
+
+#include "../layout/layoutdef.h"
+
+class VPUndoRemoveSheet : public VPUndoCommand
+{
+public:
+    explicit VPUndoRemoveSheet(const VPSheetPtr &sheet, QUndoCommand *parent = nullptr);
+    virtual ~VPUndoRemoveSheet()=default;
+
+    virtual void undo() override;
+    virtual void redo() override;
+    virtual auto id() const -> int override;
+
+private:
+    Q_DISABLE_COPY(VPUndoRemoveSheet)
+
+    QList<VPPieceWeakPtr> m_pieces{};
+    VPSheetWeakPtr        m_sheet;
+};
+
+#endif // VPUNDOREMOVESHEET_H

src/app/puzzle/vpmainwindow.cpp

@@ -784,7 +784,6 @@ void VPMainWindow::InitMainGraphics()
 
     connect(m_graphicsView, &VPMainGraphicsView::ScaleChanged, this, &VPMainWindow::on_ScaleChanged);
     connect(m_graphicsView->GetScene(), &VMainGraphicsScene::mouseMove, this, &VPMainWindow::on_MouseMoved);
-    connect(m_graphicsView, &VPMainGraphicsView::on_SheetRemoved, m_carrousel, &VPCarrousel::Refresh);
     connect(m_layout.get(), &VPLayout::PieceSheetChanged, m_carrousel, &VPCarrousel::Refresh);
 }