viewbasenontemplate.cpp

// SPDX-FileCopyrightText: Copyright (C) 2018 swift Project Community / Contributors
// SPDX-License-Identifier: GPL-3.0-or-later OR LicenseRef-swift-pilot-client-1
 
#include <algorithm>
 
#include <QAction>
#include <QApplication>
#include <QMetaMethod>
#include <QShortcut>
 
#include "config/buildconfig.h"
#include "gui/components/texteditdialog.h"
#include "gui/dockwidgetinfoarea.h"
#include "gui/filters/filterdialog.h"
#include "gui/filters/filterwidget.h"
#include "gui/guiapplication.h"
#include "gui/guiutility.h"
#include "gui/loadindicator.h"
#include "gui/menus/fontmenus.h"
#include "gui/menus/menudelegate.h"
#include "gui/shortcut.h"
#include "gui/views/viewbase.h"
#include "misc/logmessage.h"
 
using namespace swift::config;
using namespace swift::misc;
using namespace swift::gui;
using namespace swift::gui::menus;
using namespace swift::gui::models;
using namespace swift::gui::filters;
using namespace swift::gui::settings;
using namespace swift::gui::components;
 
namespace swift::gui::views
{
    CViewBaseNonTemplate::CViewBaseNonTemplate(QWidget *parent) : COverlayMessagesTableView(parent)
    {
        this->setContextMenuPolicy(Qt::CustomContextMenu);
        connect(this, &QWidget::customContextMenuRequested, this, &CViewBaseNonTemplate::customMenuRequested);
        connect(this, &QTableView::clicked, this, &CViewBaseNonTemplate::onClicked);
        connect(this, &QTableView::doubleClicked, this, &CViewBaseNonTemplate::onDoubleClicked);
        this->horizontalHeader()->setSortIndicatorShown(true);
 
        // setting resize mode rowsResizeModeToContent() causes extremly slow views
        // default, see: m_rowResizeMode
 
        // scroll modes
        this->setVerticalScrollMode(QAbstractItemView::ScrollPerPixel);
        this->setHorizontalScrollMode(QAbstractItemView::ScrollPerPixel);
        this->setWordWrap(false);
        this->setTextElideMode(Qt::ElideNone);
 
        // shortcuts
        auto *filter = new QShortcut(CShortcut::keyDisplayFilter(), this);
        bool s = connect(filter, &QShortcut::activated, this, &CViewBaseNonTemplate::displayFilterDialog);
        Q_ASSERT_X(s, Q_FUNC_INFO, "Shortcut");
        filter->setObjectName("Filter shortcut for " + this->objectName());
        filter->setContext(Qt::WidgetShortcut);
 
        auto *clearSelection = new QShortcut(CShortcut::keyClearSelection(), this);
        s = connect(clearSelection, &QShortcut::activated, this, &CViewBaseNonTemplate::clearSelection);
        Q_ASSERT_X(s, Q_FUNC_INFO, "Shortcut");
        clearSelection->setObjectName("Clear selection shortcut for " + this->objectName());
        clearSelection->setContext(Qt::WidgetShortcut);
 
        auto *saveJson = new QShortcut(CShortcut::keySaveViews(), this);
        s = connect(saveJson, &QShortcut::activated, this, &CViewBaseNonTemplate::saveJsonAction);
        Q_ASSERT_X(s, Q_FUNC_INFO, "Shortcut");
        saveJson->setObjectName("Save JSON for " + this->objectName());
        saveJson->setContext(Qt::WidgetShortcut);
 
        auto *deleteRow = new QShortcut(CShortcut::keyDelete(), this);
        s = connect(deleteRow, &QShortcut::activated, this, &CViewBaseNonTemplate::removeSelectedRowsChecked);
        Q_ASSERT_X(s, Q_FUNC_INFO, "Shortcut");
        deleteRow->setObjectName("Remove selected rows for " + this->objectName());
        deleteRow->setContext(Qt::WidgetShortcut);
 
        auto *copy = new QShortcut(CShortcut::keyCopy(), this);
        s = connect(copy, &QShortcut::activated, this, &CViewBaseNonTemplate::copy);
        Q_ASSERT_X(s, Q_FUNC_INFO, "Shortcut");
        copy->setObjectName("Copy selection shortcut for " + this->objectName());
        copy->setContext(Qt::WidgetShortcut);
 
        auto *resize = new QShortcut(CShortcut::keyResizeView(), this);
        s = connect(resize, &QShortcut::activated, this, &CViewBaseNonTemplate::fullResizeToContents);
        Q_ASSERT_X(s, Q_FUNC_INFO, "Shortcut");
        resize->setObjectName("Resize view shortcut for " + this->objectName());
        resize->setContext(Qt::WidgetShortcut);
    }
 
    CViewBaseNonTemplate::~CViewBaseNonTemplate() = default;
 
    bool CViewBaseNonTemplate::setParentDockWidgetInfoArea(CDockWidgetInfoArea *parentDockableWidget)
    {
        // further init could go here
        const bool c = CEnableForDockWidgetInfoArea::setParentDockWidgetInfoArea(parentDockableWidget);
        return c;
    }
 
    void CViewBaseNonTemplate::resizeToContents() { this->performModeBasedResizeToContent(); }
 
    void CViewBaseNonTemplate::setFilterWidgetImpl(QWidget *filterWidget)
    {
        if (filterWidget == m_filterWidget) { return; }
 
        // dialog or filter widget
        if (m_filterWidget)
        {
            disconnect(m_filterWidget);
            this->menuRemoveItems(MenuFilter);
            if (m_filterWidget->parent() == this) { m_filterWidget->deleteLater(); }
            m_filterWidget = nullptr;
        }
 
        if (filterWidget)
        {
            this->menuAddItems(MenuFilter);
            m_filterWidget = filterWidget;
        }
    }
 
    void CViewBaseNonTemplate::setFilterDialog(CFilterDialog *filterDialog)
    {
        if (filterDialog == m_filterWidget) { return; }
        this->setFilterWidgetImpl(filterDialog);
        if (filterDialog)
        {
            const bool s =
                connect(filterDialog, &CFilterDialog::finished, this, &CViewBaseNonTemplate::filterDialogFinished);
            Q_ASSERT_X(s, Q_FUNC_INFO, "filter dialog connect");
            Q_UNUSED(s);
        }
    }
 
    void CViewBaseNonTemplate::setFilterWidget(CFilterWidget *filterWidget)
    {
        if (filterWidget == m_filterWidget) { return; }
        this->setFilterWidgetImpl(filterWidget);
        if (filterWidget)
        {
            bool s = connect(filterWidget, &CFilterWidget::changeFilter, this,
                             &CViewBaseNonTemplate::filterWidgetChangedFilter, Qt::QueuedConnection);
            Q_ASSERT_X(s, Q_FUNC_INFO, "filter connect changeFilter");
            s = connect(this, &CViewBaseNonTemplate::modelDataChanged, filterWidget, &CFilterWidget::onRowCountChanged,
                        Qt::QueuedConnection);
            Q_ASSERT_X(s, Q_FUNC_INFO, "filter connect modelDataChanged");
            Q_UNUSED(s);
        }
    }
 
    void CViewBaseNonTemplate::enableLoadIndicator(bool enable) { m_enabledLoadIndicator = enable; }
 
    bool CViewBaseNonTemplate::isShowingLoadIndicator() const
    {
        return m_loadIndicator && m_enabledLoadIndicator && m_showingLoadIndicator;
    }
 
    void CViewBaseNonTemplate::setSelectionModel(QItemSelectionModel *model)
    {
        if (this->selectionModel()) { disconnect(this->selectionModel()); }
        QTableView::setSelectionModel(model);
        if (this->selectionModel())
        {
            connect(this->selectionModel(), &QItemSelectionModel::currentRowChanged, this,
                    &CViewBaseNonTemplate::onRowSelected);
        }
    }
 
    QWidget *CViewBaseNonTemplate::mainApplicationWindowWidget() const { return CGuiUtility::mainApplicationWidget(); }
 
    CStatusMessage CViewBaseNonTemplate::showFileLoadDialog(const QString &directory)
    {
        return this->loadJson(directory);
    }
 
    CStatusMessage CViewBaseNonTemplate::showFileSaveDialog(bool selectedOnly, const QString &directory)
    {
        return this->saveJson(selectedOnly, directory);
    }
 
    void CViewBaseNonTemplate::setHorizontalHeaderSectionResizeMode(QHeaderView::ResizeMode mode)
    {
        this->horizontalHeader()->setSectionResizeMode(mode);
    }
 
    IMenuDelegate *CViewBaseNonTemplate::setCustomMenu(IMenuDelegate *menu, bool nestPreviousMenu)
    {
        if (menu && nestPreviousMenu)
        {
            // new menu with nesting
            menu->setNestedDelegate(m_menu);
            m_menu = menu;
        }
        else if (!menu && nestPreviousMenu)
        {
            // nested new menu
            m_menu = m_menu->getNestedDelegate();
        }
        else
        {
            // no nesting
            m_menu = menu;
        }
        return menu;
    }
 
    CMenuActions CViewBaseNonTemplate::initMenuActions(CViewBaseNonTemplate::MenuFlag menu)
    {
        if (m_menuFlagActions.contains(menu)) { return m_menuFlagActions.value(menu); }
 
        CMenuActions ma;
        switch (menu)
        {
        case MenuRefresh:
        {
            static const QMetaMethod requestSignal = QMetaMethod::fromSignal(&CViewBaseNonTemplate::requestUpdate);
            if (!this->isSignalConnected(requestSignal)) break;
            ma.addAction(CIcons::refresh16(), "Update", CMenuAction::pathViewUpdates(),
                         { this, &CViewBaseNonTemplate::triggerReload });
            break;
        }
        case MenuBackend:
        {
            static const QMetaMethod requestSignal =
                QMetaMethod::fromSignal(&CViewBaseNonTemplate::requestNewBackendData);
            if (!this->isSignalConnected(requestSignal)) break;
            ma.addAction(CIcons::refresh16(), "Reload from backend", CMenuAction::pathViewUpdates(),
                         { this, &CViewBaseNonTemplate::triggerReloadFromBackend });
            break;
        }
        case MenuDisplayAutomatically:
        {
            QAction *a =
                ma.addAction(CIcons::appMappings16(), "Automatically display (when loaded)",
                             CMenuAction::pathViewUpdates(), { this, &CViewBaseNonTemplate::toggleAutoDisplay });
            a->setCheckable(true);
            a->setChecked(this->displayAutomatically());
            break;
        }
        case MenuRemoveSelectedRows:
        {
            ma.addAction(CIcons::delete16(), "Remove selected rows", CMenuAction::pathViewAddRemove(),
                         { this, &CViewBaseNonTemplate::removeSelectedRowsChecked }, CShortcut::keyDelete());
            break;
        }
        case MenuClear:
        {
            ma.addAction(CIcons::delete16(), "Clear", CMenuAction::pathViewAddRemove(),
                         { this, &CViewBaseNonTemplate::clear });
            break;
        }
        case MenuFilter:
        {
            if (m_filterWidget)
            {
                const bool dialog = qobject_cast<QDialog *>(m_filterWidget);
                if (dialog)
                    ma.addAction(CIcons::filter16(),
                                 "Show filter " + CShortcut::toParenthesisString(CShortcut::keyDisplayFilter()),
                                 CMenuAction::pathViewFilter(), { this, &CViewBaseNonTemplate::displayFilterDialog },
                                 CShortcut::keyDisplayFilter());
                ma.addAction(CIcons::filter16(), "Remove Filter", CMenuAction::pathViewFilter(),
                             { this, &CViewBaseNonTemplate::removeFilter });
            }
            break;
        }
        case MenuMaterializeFilter:
        {
            ma.addAction(CIcons::tableRelationship16(), "Materialize filtered data", CMenuAction::pathViewFilter(),
                         { this, &CViewBaseNonTemplate::materializeFilter });
            break;
        }
        case MenuLoad:
        {
            ma.addAction(CIcons::disk16(), "Load from file ", CMenuAction::pathViewLoadSave(),
                         { this, &CViewBaseNonTemplate::loadJsonAction });
            break;
        }
        case MenuSave:
        {
            ma.addAction(CIcons::disk16(),
                         "Save data in file " + CShortcut::toParenthesisString(CShortcut::keySaveViews()),
                         CMenuAction::pathViewLoadSave(), { this, &CViewBaseNonTemplate::saveJsonAction },
                         CShortcut::keySaveViews());
            if (this->hasSelection())
            {
                ma.addAction(CIcons::disk16(), "Save selected data in file", CMenuAction::pathViewLoadSave(),
                             { this, &CViewBaseNonTemplate::saveSelectedJsonAction });
                break;
            }
            break;
        }
        case MenuCut:
        {
            if (!QApplication::clipboard()) break;
            ma.addAction(CIcons::cut16(), "Cut", CMenuAction::pathViewCutPaste(), { this, &CViewBaseNonTemplate::cut },
                         QKeySequence(QKeySequence::Paste));
            break;
        }
        case MenuPaste:
        {
            if (!QApplication::clipboard()) break;
            ma.addAction(CIcons::paste16(), "Paste", CMenuAction::pathViewCutPaste(),
                         { this, &CViewBaseNonTemplate::paste }, QKeySequence(QKeySequence::Paste));
            break;
        }
        case MenuCopy:
        {
            if (!QApplication::clipboard()) break;
            ma.addAction(CIcons::copy16(), "Copy", CMenuAction::pathViewCutPaste(),
                         { this, &CViewBaseNonTemplate::copy }, QKeySequence(QKeySequence::Copy));
            break;
        }
        default: break;
        }
        m_menuFlagActions.insert(menu, ma);
        return ma;
    }
 
    void CViewBaseNonTemplate::settingsChanged()
    {
        if (!this->allowsMultipleSelectedRows()) { return; }
        const CGeneralGuiSettings settings = m_guiSettings.getThreadLocal();
        m_originalSelectionMode = settings.getPreferredSelection();
        if (this->isCurrentlyAllowingMultipleRowSelections())
        {
            this->setSelectionMode(settings.getPreferredSelection());
        }
    }
 
    void CViewBaseNonTemplate::rememberLastJsonDirectory(const QString &selectedFileOrDir)
    {
        if (selectedFileOrDir.isEmpty()) { return; }
        const QString dir = CDirectories::fileNameToDirectory(selectedFileOrDir);
        QDir d(dir);
        if (!d.exists()) { return; }
 
        // existing dir
        CDirectories directories = m_dirSettings.get();
        directories.setPropertyByIndex(m_dirSettingsIndex, CVariant::fromValue(dir));
        const CStatusMessage msg = m_dirSettings.setAndSave(directories);
        CLogMessage::preformatted(msg);
    }
 
    QString CViewBaseNonTemplate::getRememberedLastJsonDirectory() const
    {
        const CDirectories directories = m_dirSettings.get();
        return directories.propertyByIndex(m_dirSettingsIndex).toString();
    }
 
    components::CTextEditDialog *CViewBaseNonTemplate::textEditDialog()
    {
        if (!m_textEditDialog) { m_textEditDialog = new CTextEditDialog(this); }
        return m_textEditDialog;
    }
 
    void CViewBaseNonTemplate::customMenu(CMenuActions &menuActions)
    {
        // delegate?
        if (m_menu) { m_menu->customMenu(menuActions); }
 
        // standard view menus
        if (m_menus.testFlag(MenuRefresh)) { menuActions.addActions(this->initMenuActions(MenuRefresh)); }
        if (m_menus.testFlag(MenuBackend)) { menuActions.addActions(this->initMenuActions(MenuBackend)); }
 
        if (m_menus.testFlag(MenuClear)) { menuActions.addActions(this->initMenuActions(MenuClear)); }
        if (m_menus.testFlag(MenuDisplayAutomatically))
        {
            // here I expect only one action
            QAction *a = menuActions.addActions(this->initMenuActions(MenuDisplayAutomatically)).first();
            a->setChecked(this->displayAutomatically());
        }
        if (m_menus.testFlag(MenuRemoveSelectedRows))
        {
            if (this->hasSelection()) { menuActions.addActions(this->initMenuActions(MenuRemoveSelectedRows)); }
        }
 
        if (m_menus.testFlag(MenuCopy)) { menuActions.addActions(this->initMenuActions(MenuCopy)); }
        if (m_menus.testFlag(MenuCut)) { menuActions.addActions(this->initMenuActions(MenuCut)); }
        if (m_menus.testFlag(MenuPaste)) { menuActions.addActions(this->initMenuActions(MenuPaste)); }
        if (m_menus.testFlag(MenuFont) && m_fontMenu)
        {
            menuActions.addActions(m_fontMenu->getActions(), CMenuAction::pathFont());
        }
 
        if (m_menus.testFlag(MenuFilter) && m_filterWidget)
        {
            menuActions.addActions(this->initMenuActions(MenuFilter));
            if (m_menus.testFlag(MenuMaterializeFilter))
            {
                menuActions.addActions(this->initMenuActions(MenuMaterializeFilter));
            }
        }
 
        // selection menus, not in menu action list because it depends on current selection
        const SelectionMode sm = this->selectionMode();
        if (sm == MultiSelection || sm == ExtendedSelection)
        {
            menuActions.addAction("Select all", CMenuAction::pathViewSelection(), nullptr,
                                  { this, &CViewBaseNonTemplate::selectAll }, CShortcut::keySelectAll());
        }
        if (sm != NoSelection)
        {
            menuActions.addAction("Clear selection " + CShortcut::toParenthesisString(CShortcut::keyClearSelection()),
                                  CMenuAction::pathViewSelection(), nullptr,
                                  { this, &CViewBaseNonTemplate::clearSelection }, CShortcut::keyClearSelection());
        }
        if ((m_originalSelectionMode == MultiSelection || m_originalSelectionMode == ExtendedSelection) &&
            m_menus.testFlag(MenuToggleSelectionMode))
        {
            if (sm != MultiSelection)
            {
                menuActions.addAction("Switch to multi selection", CMenuAction::pathViewSelection(), nullptr,
                                      { this, &CViewBaseNonTemplate::setMultiSelection });
            }
 
            if (sm != ExtendedSelection)
            {
                menuActions.addAction("Switch to extended selection", CMenuAction::pathViewSelection(), nullptr,
                                      { this, &CViewBaseNonTemplate::setExtendedSelection });
            }
 
            if (sm != SingleSelection)
            {
                menuActions.addAction("Switch to single selection", CMenuAction::pathViewSelection(), nullptr,
                                      { this, &CViewBaseNonTemplate::setSingleSelection });
            }
        }
 
        // load/save
        if (m_menus.testFlag(MenuLoad)) { menuActions.addActions(this->initMenuActions(MenuLoad)); }
        if (m_menus.testFlag(MenuSave) && !isEmpty()) { menuActions.addActions(this->initMenuActions(MenuSave)); }
 
        // resizing
        menuActions.addAction(
            CIcons::resize16(), "&Resize " + CShortcut::toParenthesisString(CShortcut::keyResizeView()),
            CMenuAction::pathViewResize(), nullptr, { this, &CViewBaseNonTemplate::presizeOrFullResizeToContents });
 
        // resize to content might decrease performance,
        // so I only allow changing to "content resizing" if size matches
        // const bool enabled = !this->reachedResizeThreshold();
        const bool enabled = true;
        const bool autoResize = (m_resizeMode == ResizingAuto);
 
        // when not set to auto, then lets set how we want to resize rows
        // for auto this is too slow
        // const bool ww = this->wordWrap();
        QAction *resizeRowsAction =
            menuActions.addAction(CIcons::resizeVertical16(), "Resize rows to content", CMenuAction::pathViewResize(),
                                  nullptr, { this, &CViewBaseNonTemplate::resizeRowsToContents });
        resizeRowsAction->setEnabled(
            true); // as changing from word wraap to none word wrap can leave to high columns, we always enable this
 
        // export actions, display in text edit
        if (CBuildConfig::isLocalDeveloperDebugBuild())
        {
            menuActions.addAction(CIcons::tableSheet16(), "Display as JSON", CMenuAction::pathViewLoadSave(),
                                  { this, &CViewBaseNonTemplate::displayJsonPopup });
            if (this->hasSelection())
            {
                menuActions.addAction(CIcons::tableSheet16(), "Display selected as JSON",
                                      CMenuAction::pathViewLoadSave(),
                                      { this, &CViewBaseNonTemplate::displaySelectedJsonPopup });
                ;
            }
        }
 
        QAction *actionInteractiveResize =
            menuActions.addAction(CIcons::viewTile(), "Resize (auto)", CMenuAction::pathViewResize(), nullptr);
        actionInteractiveResize->setObjectName(this->objectName().append("ActionResizing"));
        actionInteractiveResize->setCheckable(true);
        actionInteractiveResize->setChecked(autoResize);
        actionInteractiveResize->setEnabled(enabled);
        connect(actionInteractiveResize, &QAction::toggled, this, &CViewBaseNonTemplate::toggleResizeMode);
 
        QAction *actionWordWrap = menuActions.addAction(CIcons::viewMultiColumn(), "Word wrap (multiline)",
                                                        CMenuAction::pathViewResize(), nullptr);
        actionWordWrap->setObjectName(this->objectName().append("ActionResizing"));
        actionWordWrap->setCheckable(true);
        actionWordWrap->setChecked(this->wordWrap());
        actionWordWrap->setEnabled(true);
        connect(actionWordWrap, &QAction::toggled, this, &CViewBaseNonTemplate::toggleWordWrap);
    }
 
    void CViewBaseNonTemplate::resizeEvent(QResizeEvent *event)
    {
        if (this->isShowingLoadIndicator())
        {
            // re-center
            this->centerLoadIndicator();
        }
        QTableView::resizeEvent(event);
    }
 
    int CViewBaseNonTemplate::getHorizontalHeaderFontHeight() const
    {
        const QFontMetrics m(this->getHorizontalHeaderFont());
        const int h = m.height();
        return h;
    }
 
    bool CViewBaseNonTemplate::hasSelection() const { return this->selectionModel()->hasSelection(); }
 
    QModelIndexList CViewBaseNonTemplate::selectedRows() const
    {
        // make sure this is ordered by row and wee keep the same order as in unselectedRows
        // if we'd know for sure the indexes are always sorted we can remove the sorting here
        // Qt docu selectedIndexes: Returns a list of all selected model item indexes. The list contains no duplicates,
        // and is not sorted.
        QModelIndexList indexes = this->selectionModel()->selectedRows();
        std::sort(indexes.begin(), indexes.end());
        return indexes;
    }
 
    QModelIndexList CViewBaseNonTemplate::unselectedRows() const
    {
        const QModelIndexList selected = this->selectedRows();
        QModelIndexList unselected;
        const int rows = this->rowCount();
        for (int r = 0; r < rows; r++)
        {
            const QModelIndex mi = this->model()->index(r, 0);
            if (selected.contains(mi)) { continue; }
            unselected.push_back(mi);
        }
        return unselected;
    }
 
    int CViewBaseNonTemplate::selectRows(const QSet<int> &rows)
    {
        if (!this->selectionModel()) { return 0; }
 
        // multiple times faster than multiple this->selectRow()
        this->clearSelection();
        QItemSelection selectedItems;
        const int columns = this->model()->columnCount() - 1;
        for (int r : rows) { selectedItems.select(this->model()->index(r, 0), this->model()->index(r, columns)); }
        this->selectionModel()->select(selectedItems, QItemSelectionModel::Select);
        return selectedItems.size();
    }
 
    int CViewBaseNonTemplate::selectedRowCount() const
    {
        if (!this->hasSelection()) { return 0; }
        return this->selectedRows().count();
    }
 
    int CViewBaseNonTemplate::unselectedRowCount() const { return this->rowCount() - this->selectedRowCount(); }
 
    bool CViewBaseNonTemplate::hasSingleSelectedRow() const { return this->selectedRowCount() == 1; }
 
    bool CViewBaseNonTemplate::hasMultipleSelectedRows() const { return this->selectedRowCount() > 1; }
 
    bool CViewBaseNonTemplate::allowsMultipleSelectedRows() const
    {
        return m_originalSelectionMode == ExtendedSelection || m_originalSelectionMode == MultiSelection;
    }
 
    bool CViewBaseNonTemplate::isCurrentlyAllowingMultipleRowSelections() const
    {
        QAbstractItemView::SelectionMode m = this->selectionMode();
        return m == QAbstractItemView::MultiSelection || m == QAbstractItemView::ExtendedSelection;
    }
 
    void CViewBaseNonTemplate::init()
    {
        this->horizontalHeader()->setSectionResizeMode(QHeaderView::Interactive); // faster mode
        this->horizontalHeader()->setStretchLastSection(true);
        const int fh = qRound(1.5 * this->getHorizontalHeaderFontHeight());
        this->verticalHeader()->setDefaultSectionSize(fh); // for height
        this->verticalHeader()->setMinimumSectionSize(fh); // for height
 
        switch (m_rowResizeMode)
        {
        case Interactive: this->rowsResizeModeToInteractive(); break;
        case Content: this->rowsResizeModeToContent(); break;
        default: Q_ASSERT_X(false, Q_FUNC_INFO, "wrong resize mode"); break;
        }
 
        // call this deferred, otherwise the values are overridden with any values
        // from the UI builder
        const QPointer<CViewBaseNonTemplate> guard(this);
        QTimer::singleShot(500, this, [=]() {
            if (!guard) { return; }
            CViewBaseNonTemplate::settingsChanged();
        });
    }
 
    QString CViewBaseNonTemplate::getFileDialogFileName(bool load) const
    {
        // some logic to find a useful default name
        if (load)
        {
            return CFileUtils::appendFilePaths(this->getRememberedLastJsonDirectory(),
                                               CFileUtils::jsonWildcardAppendix());
        }
 
        // Save file path
        const QString dir = m_dirSettings.get().propertyByIndex(m_dirSettingsIndex).toString();
        QString name(m_saveFileName);
        if (name.isEmpty())
        {
            // create a name
            if (this->getDockWidgetInfoArea()) { name = this->getDockWidgetInfoArea()->windowTitle(); }
            else { name = this->metaObject()->className(); }
        }
        if (!name.endsWith(CFileUtils::jsonAppendix(), Qt::CaseInsensitive)) { name += CFileUtils::jsonAppendix(); }
        return CFileUtils::appendFilePaths(dir, name);
    }
 
    void CViewBaseNonTemplate::menuRemoveItems(Menu menusToRemove) { m_menus &= (~menusToRemove); }
 
    void CViewBaseNonTemplate::menuAddItems(Menu menusToAdd)
    {
        m_menus |= menusToAdd;
        if (menusToAdd.testFlag(MenuRemoveSelectedRows)) { m_enableDeleteSelectedRows = true; }
    }
 
    void CViewBaseNonTemplate::displayFilterDialog()
    {
        if (!m_menus.testFlag(MenuFilter)) { return; }
        if (!m_filterWidget) { return; }
        m_filterWidget->show();
    }
 
    void CViewBaseNonTemplate::loadJsonAction()
    {
        if (!m_menus.testFlag(MenuLoad)) { return; }
        const CStatusMessage m = this->loadJson();
        if (!m.isEmpty()) { CLogMessage::preformatted(m); }
    }
 
    void CViewBaseNonTemplate::saveJsonAction()
    {
        if (this->isEmpty()) { return; }
        if (!m_menus.testFlag(MenuSave)) { return; }
        const CStatusMessage m = this->saveJson(false);
        if (!m.isEmpty()) { CLogMessage::preformatted(m); }
    }
 
    void CViewBaseNonTemplate::saveSelectedJsonAction()
    {
        if (this->isEmpty()) { return; }
        if (!m_menus.testFlag(MenuSave)) { return; }
        const CStatusMessage m = this->saveJson(true);
        if (!m.isEmpty()) { CLogMessage::preformatted(m); }
    }
 
    void CViewBaseNonTemplate::triggerReload()
    {
        this->showLoadIndicatorWithTimeout(m_loadIndicatorTimeoutDefault);
        emit this->requestUpdate();
    }
 
    void CViewBaseNonTemplate::triggerReloadFromBackend()
    {
        this->showLoadIndicatorWithTimeout(m_loadIndicatorTimeoutDefault);
        emit this->requestNewBackendData();
    }
 
    void CViewBaseNonTemplate::onModelChanged() { this->updateSortIndicator(); }
 
    void CViewBaseNonTemplate::rowsResizeModeToInteractive()
    {
        const int height = this->verticalHeader()->minimumSectionSize();
        QHeaderView *verticalHeader = this->verticalHeader();
        Q_ASSERT_X(verticalHeader, Q_FUNC_INFO, "Missing vertical header");
        verticalHeader->setSectionResizeMode(QHeaderView::Interactive);
        verticalHeader->setDefaultSectionSize(height);
        m_rowResizeMode = Interactive;
        this->showVerticalHeader();
    }
 
    void CViewBaseNonTemplate::showVerticalHeader()
    {
        QHeaderView *verticalHeader = this->verticalHeader();
        verticalHeader->setVisible(this->wordWrap() && m_resizeMode != ResizingAuto && m_rowResizeMode == Interactive);
        verticalHeader->setFixedWidth(16);
    }
 
    void CViewBaseNonTemplate::rowsResizeModeToContent()
    {
        QHeaderView *verticalHeader = this->verticalHeader();
        Q_ASSERT(verticalHeader);
        verticalHeader->setSectionResizeMode(QHeaderView::ResizeToContents);
        m_rowResizeMode = Content;
        this->showVerticalHeader();
    }
 
    void CViewBaseNonTemplate::rowsResizeModeBasedOnThreshold(int elements)
    {
        if (elements > ResizeRowsToContentThreshold) { this->rowsResizeModeToInteractive(); }
        else { this->rowsResizeModeToContent(); }
    }
 
    int CViewBaseNonTemplate::showLoadIndicator(int containerSizeDependent, std::chrono::milliseconds timeout,
                                                bool processEvents)
    {
        using namespace std::chrono_literals;
        if (!m_enabledLoadIndicator) { return -1; }
        if (m_showingLoadIndicator) { return -1; }
 
        if (this->hasDockWidgetArea())
        {
            if (!this->isVisibleWidget()) { return -1; }
        }
 
        if (containerSizeDependent >= 0)
        {
            // really with indicator?
            if (containerSizeDependent < ResizeSubsetThreshold) { return -1; }
        }
        m_showingLoadIndicator = true;
        emit this->loadIndicatorVisibilityChanged(m_showingLoadIndicator);
 
        if (!m_loadIndicator)
        {
            m_loadIndicator = new CLoadIndicator(64, 64, this);
            connect(m_loadIndicator, &CLoadIndicator::timedOut, this, &CViewBaseNonTemplate::onLoadIndicatorTimedOut);
        }
        this->centerLoadIndicator();
        return m_loadIndicator->startAnimation(timeout > 0ms ? timeout : m_loadIndicatorTimeoutDefault, processEvents);
    }
 
    int CViewBaseNonTemplate::showLoadIndicatorWithTimeout(std::chrono::milliseconds timeout, bool processEvents)
    {
        return this->showLoadIndicator(-1, timeout, processEvents);
    }
 
    void CViewBaseNonTemplate::centerLoadIndicator()
    {
        if (!m_loadIndicator) { return; }
        const QPoint middle = this->viewport()->geometry().center();
        m_loadIndicator->centerLoadIndicator(middle);
    }
 
    void CViewBaseNonTemplate::hideLoadIndicator(int loadingId)
    {
        if (!m_showingLoadIndicator) { return; }
        m_showingLoadIndicator = false;
        emit this->loadIndicatorVisibilityChanged(m_showingLoadIndicator);
        if (!m_loadIndicator) { return; }
        m_loadIndicator->stopAnimation(loadingId);
    }
 
    bool CViewBaseNonTemplate::isResizeConditionMet(int containerSize) const
    {
        if (m_resizeMode == ResizingAlways) { return true; }
        if (m_resizeMode == PresizeSubset) { return false; }
        if (m_resizeMode == ResizingOff) { return false; }
        if (m_resizeMode == ResizingOnce) { return m_resizeCount < 1; }
        if (m_resizeMode == ResizingAuto)
        {
            if (reachedResizeThreshold(containerSize)) { return false; }
            if (m_resizeAutoNthTime < 2) { return true; }
            return (m_resizeCount % m_resizeAutoNthTime) == 0;
        }
        return false;
    }
 
    void CViewBaseNonTemplate::fullResizeToContents()
    {
 
        // useless if mode is Interactive
        if (m_rowResizeMode == Content)
        {
            this->resizeRowsToContents(); // rows
        }
        m_resizeCount++;
 
        // re-stretch
        if (m_forceStretchLastColumnWhenResized)
        {
            // toggling forces the stretch, otherwise not working
            this->horizontalHeader()->setStretchLastSection(false);
            this->horizontalHeader()->setStretchLastSection(true);
        }
 
        // const int cols = this->colorCount();
        // if (this->endsWithEmptyColumn()) { this->setColumnWidth(cols - 1, 10); }
        // gives a weird NO METRICS warning
 
        this->resizeColumnsToContents(); // columns
 
    }
 
    void CViewBaseNonTemplate::customMenuRequested(const QPoint &pos)
    {
        QMenu menu;
        CMenuActions menuActions;
        this->customMenu(menuActions);
        if (menuActions.isEmpty()) { return; }
        menuActions.toQMenu(menu, true);
 
        // Nested dock widget menu
        const CDockWidgetInfoArea *dockWidget = this->getDockWidgetInfoArea();
        if (dockWidget)
        {
            if (!menu.isEmpty()) { menu.addSeparator(); }
            const QString mm = QStringLiteral("Dock widget '%1'").arg(dockWidget->windowTitleOrBackup());
            QMenu *dockWidgetSubMenu = menu.addMenu(CIcons::text16(), mm);
            dockWidget->addToContextMenu(dockWidgetSubMenu);
        }
 
        const QPoint globalPos = this->mapToGlobal(pos);
        menu.exec(globalPos);
    }
 
    void CViewBaseNonTemplate::onLoadIndicatorTimedOut() { m_showingLoadIndicator = false; }
 
    void CViewBaseNonTemplate::toggleResizeMode(bool checked)
    {
        m_resizeMode = checked ? ResizingAuto : ResizingOff;
        if (m_resizeMode == ResizingAuto)
        {
            // make sure not use this one here
            this->rowsResizeModeToInteractive();
        }
        else { this->showVerticalHeader(); }
    }
 
    void CViewBaseNonTemplate::toggleWordWrap(bool checked)
    {
        if (this->wordWrap() == checked) { return; }
        if (checked)
        {
            // menuAddItems()
        }
        this->setWordWrap(checked);
        this->showVerticalHeader(); // can be slow
    }
 
    void CViewBaseNonTemplate::toggleAutoDisplay()
    {
        const auto *a = qobject_cast<const QAction *>(QObject::sender());
        if (!a) { return; }
        Q_ASSERT_X(a->isCheckable(), Q_FUNC_INFO, "object not checkable");
        m_displayAutomatically = a->isChecked();
    }
 
    void CViewBaseNonTemplate::selectAll()
    {
        // FIXME: Workaround to implement the logic on our own because the default selectAll() implementation does not
        // seem to work
        this->clearSelection();
        QItemSelection selectedItems;
        const int columns = this->model()->columnCount() - 1;
        const int rows = this->model()->rowCount() - 1;
        selectedItems.select(this->model()->index(0, 0), this->model()->index(rows, columns));
        this->selectionModel()->select(selectedItems, QItemSelectionModel::Select);
    }
 
    void CViewBaseNonTemplate::setSingleSelection() { this->setSelectionMode(SingleSelection); }
 
    void CViewBaseNonTemplate::setExtendedSelection()
    {
        if (this->allowsMultipleSelectedRows()) { this->setSelectionMode(ExtendedSelection); }
    }
 
    void CViewBaseNonTemplate::setMultiSelection()
    {
        if (this->allowsMultipleSelectedRows()) { this->setSelectionMode(MultiSelection); }
    }
 
    void CViewBaseNonTemplate::removeSelectedRowsChecked()
    {
        if (!m_enableDeleteSelectedRows) { return; }
        this->removeSelectedRows();
    }
 
    void CViewBaseNonTemplate::dragEnterEvent(QDragEnterEvent *event)
    {
        if (!event || !this->acceptDrop(event->mimeData())) { return; }
        this->setBackgroundRole(QPalette::Highlight);
        event->acceptProposedAction();
    }
 
    void CViewBaseNonTemplate::dragMoveEvent(QDragMoveEvent *event)
    {
        if (!event || !this->acceptDrop(event->mimeData())) { return; }
        event->acceptProposedAction();
    }
 
    void CViewBaseNonTemplate::dragLeaveEvent(QDragLeaveEvent *event)
    {
        if (!event) { return; }
        event->accept();
    }
 
    void CViewBaseNonTemplate::dropEvent(QDropEvent *event)
    {
        if (!event) { return; }
        QTableView::dropEvent(event);
    }
 
    int CViewBaseNonTemplate::getPresizeRandomElementsSize(int containerSize) const
    {
        containerSize = containerSize >= 0 ? containerSize : this->rowCount();
        const int presizeRandomElements = containerSize > 1000 ? containerSize / 100 : containerSize / 40;
        return presizeRandomElements;
    }
} // namespace swift::gui::views