Method contextMenuEvent

gui/nnotebookview.cpp:550–583

void NNotebookView::contextMenuEvent(QContextMenuEvent *event) {
    QList<QTreeWidgetItem*> items = selectedItems();
    QAction *stackAction = stackMenu->menuAction();
    context.removeAction(stackAction);

    if (items.size() == 0) {
        propertiesAction->setEnabled(false);
        deleteAction->setEnabled(false);
        renameAction->setEnabled(false);
        removeFromStackAction->setVisible(false);
    } else {
        propertiesAction->setEnabled(true);
        deleteAction->setEnabled(true);
        renameAction->setEnabled(true);
        removeFromStackAction->setVisible(false);
        NotebookTable table(global.db);

        for (int i=0; i<items.size(); i++) {
            if (items[i]->data(NAME_POSITION, Qt::UserRole).toString() == "STACK") {
                deleteAction->setEnabled(false);
                removeFromStackAction->setVisible(false);
            } else {
                qint32 lid = items[i]->data(NAME_POSITION, Qt::UserRole).toInt();
                if (table.isStacked(lid)) {
                    removeFromStackAction->setVisible(true);
                } else {
                    removeFromStackAction->setVisible(false);
                    context.insertAction(renameAction, stackAction);
                }
            }
        }
    }
    context.exec(event->globalPos());
}