Remove dead code

src/CMakeLists.txt

@@ -192,7 +192,6 @@ set(korganizerprivate_LIB_SRCS
     datenavigatorcontainer.cpp
     dialog/filtereditdialog.cpp
     widgets/kdatenavigator.cpp
-    kocheckableproxymodel.cpp
     kocorehelper.cpp
     kodaymatrix.cpp
     kodialogmanager.cpp

src/actionmanager.cpp

@@ -23,7 +23,6 @@
 #include "prefs/koprefs.h"
 #include "koviewmanager.h"
 #include "kowindowlist.h"
-#include "kocheckableproxymodel.h"
 #include "korgacinterface.h"
 #include <KAuthorized>
 
@@ -73,6 +72,7 @@
 #include <QTimer>
 #include <KSharedConfig>
 #include <QStandardPaths>
+#include <KCheckableProxyModel>
 
 KOWindowList *ActionManager::mWindowList = nullptr;
 

src/calendarview.cpp

@@ -20,7 +20,6 @@
 #include "datechecker.h"
 #include "datenavigator.h"
 #include "datenavigatorcontainer.h"
-#include "kocheckableproxymodel.h"
 #include "kodaymatrix.h"
 #include "kodialogmanager.h"
 #include "koglobals.h"
@@ -2677,18 +2676,6 @@ void CalendarView::onCutFinished()
     checkClipboard();
 }
 
-void CalendarView::setCheckableProxyModel(KOCheckableProxyModel *model)
-{
-    if (mCheckableProxyModel) {
-        mCheckableProxyModel->disconnect(this);
-    }
-
-    mCheckableProxyModel = model;
-    connect(model, &KOCheckableProxyModel::aboutToToggle, this,
-            &CalendarView::onCheckableProxyAboutToToggle);
-    connect(model, &KOCheckableProxyModel::toggled, this, &CalendarView::onCheckableProxyToggled);
-}
-
 void CalendarView::onCheckableProxyAboutToToggle(bool newState)
 {
     // Someone unchecked a collection, save the view state now.

src/calendarview.h

@@ -31,7 +31,6 @@ class KODialogManager;
 class KOTodoView;
 class KOViewManager;
 class NavigatorBar;
-class KOCheckableProxyModel;
 class AkonadiCollectionView;
 
 namespace CalendarSupport {
@@ -117,7 +116,6 @@ public:
     void showMessage(const QString &message, KMessageWidget::MessageType);
 
     Akonadi::History *history() const;
-    void setCheckableProxyModel(KOCheckableProxyModel *);
 
     KOViewManager *viewManager() const
     {
@@ -704,7 +702,6 @@ private:
     bool mSplitterSizesValid;
 
     Akonadi::CalendarClipboard *mCalendarClipboard = nullptr;
-    KOCheckableProxyModel *mCheckableProxyModel = nullptr;
     AkonadiCollectionView *mETMCollectionView = nullptr;
 
     SearchCollectionHelper mSearchCollectionHelper;

src/kocheckableproxymodel.cpp

-/*
-  This file is part of KOrganizer.
-
-  SPDX-FileCopyrightText: 2012 Sergio Martins <iamsergio@gmail.com>
-
-  SPDX-License-Identifier: GPL-2.0-or-later WITH Qt-Commercial-exception-1.0
-*/
-
-#include "kocheckableproxymodel.h"
-
-KOCheckableProxyModel::KOCheckableProxyModel(QObject *parent) : KCheckableProxyModel(parent)
-{
-}
-
-bool KOCheckableProxyModel::setData(const QModelIndex &index, const QVariant &value, int role)
-{
-    const auto newState = static_cast<Qt::CheckState>(value.toInt());
-    if (role == Qt::CheckStateRole && index.column() == 0) {
-        Q_EMIT aboutToToggle(newState);
-    }
-
-    const bool result = KCheckableProxyModel::setData(index, value, role);
-
-    if (result) {
-        Q_EMIT toggled(newState);
-    }
-    return result;
-}

src/kocheckableproxymodel.h

-/*
-  This file is part of KOrganizer.
-
-  SPDX-FileCopyrightText: 2012 Sergio Martins <iamsergio@gmail.com>
-
-  SPDX-License-Identifier: GPL-2.0-or-later WITH Qt-Commercial-exception-1.0
-*/
-
-#ifndef KORG_KOCHECKABLE_PROXYMODEL_H
-#define KORG_KOCHECKABLE_PROXYMODEL_H
-
-#include <KCheckableProxyModel>
-
-// TODO: This functionality could be ported to the KCheckableProxyModel
-/**
- * A KCheckableProxyModel that emits a signal before and after toggling.
- *
- * Listeners, like to-do view, restore tree expand state before unchecking,
- * and restore after checking.
- */
-class KOCheckableProxyModel : public KCheckableProxyModel
-{
-    Q_OBJECT
-public:
-    explicit KOCheckableProxyModel(QObject *parent);
-
-    /**reimp*/
-    bool setData(const QModelIndex &index, const QVariant &value, int role = Qt::EditRole) override;
-
-Q_SIGNALS:
-    void aboutToToggle(bool oldState);
-    void toggled(bool newState);
-};
-
-#endif