Method setExpanded

kdevplatform/language/duchain/navigation/useswidget.cpp:551–584

}

void TopContextUsesWidget::setExpanded(bool expanded)
{
    if (!expanded) {
        m_toggleButton->setText(QLatin1String("&nbsp;&nbsp; <a href='toggleCollapsed'>[") +
                                i18nc("Refers to opening a UI element", "Expand") + QLatin1String("]</a>"));
        deleteItems();
    } else {
        m_toggleButton->setText(QLatin1String("&nbsp;&nbsp; <a href='toggleCollapsed'>[") +
                                i18nc("Refers to closing a UI element", "Collapse") + QLatin1String("]</a>"));
        if (hasItems())
            return;
        DUChainReadLocker lock(DUChain::lock());
        TopDUContext* topContext = m_topContext.data();

        if (topContext && m_declaration.data()) {
            CodeRepresentation::Ptr code = createCodeRepresentation(topContext->url());
            setUpdatesEnabled(false);

            IndexedTopDUContext localTopContext(topContext);
            for (const IndexedDeclaration& decl : std::as_const(m_allDeclarations)) {
                if (decl.indexedTopContext() == localTopContext) {
                    addItem(new DeclarationWidget(*code, decl));
                }
            }

            const auto contextUseWidgets = buildContextUses(*code, m_allDeclarations, topContext);
            for (ContextUsesWidget* usesWidget : contextUseWidgets) {
                addItem(usesWidget);
            }

            setUpdatesEnabled(true);
        }
    }
}

void TopContextUsesWidget::labelClicked()
{