Method deleteStyle

kdevplatform/shell/sourceformatterselectionedit.cpp:1055–1102

}

void SourceFormatterSelectionEdit::deleteStyle()
{
    Q_D(SourceFormatterSelectionEdit);

    const auto& currentStyle = d->validCurrentStyle();

    QStringList otherLanguageNames;
    std::vector<LanguageSettings*> otherLanguages;
    for (auto& lang : d->languages) {
        if (&lang != &d->currentLanguage() && lang.selectedStyle() == &currentStyle) {
            otherLanguageNames.push_back(lang.name());
            otherLanguages.push_back(&lang);
        }
    }
    // The deleted style can be used in other sessions or projects. But we show the warning dialog only if it
    // is selected for another language in the current session or project model (!otherLanguageNames.empty()).
    // Checking style selections in all other sessions is complicated, in all other projects - impossible.
    // Showing the warning dialog every time a style is deleted, even if the user just created it, can be
    // annoying. So the current behavior makes sense.
    if (!otherLanguageNames.empty()
        && KMessageBox::warningContinueCancel(
               this,
               i18n("The style %1 is also used for the following languages:\n%2.\nAre you sure you want to delete it?",
                    currentStyle.caption(), otherLanguageNames.join(QLatin1Char('\n'))),
               i18nc("@title:window", "Deleting Style"))
            != KMessageBox::Continue) {
        return;
    }

    const auto* const currentStyleItem = d->ui.styleList->currentItem();
    d->assertValidSelectedStyleItem(currentStyleItem);
    {
        const QSignalBlocker blocker(d->ui.styleList);
        delete currentStyleItem;
        // QListWidget selects the next item in the list when the currently selected item is destroyed.
        // Clear the selection for consistency with other languages where the deleted style was selected.
        d->ui.styleList->clearSelection();
    }

    d->currentLanguage().unselectStyle(currentStyle);
    for (auto* lang : otherLanguages) {
        lang->unselectStyle(currentStyle);
    }
    d->currentFormatter().removeStyle(currentStyle);

    d->updateUiForCurrentStyle();
    emit changed();
}

void SourceFormatterSelectionEdit::editStyle()
{