Method changeModel

plugins/grepview/grepoutputview.cpp:253–292

}

void GrepOutputView::changeModel(int index)
{
    if (model()) {
        disconnect(model(), &GrepOutputModel::showMessage,
                   this, &GrepOutputView::showMessage);
        disconnect(model(), &GrepOutputModel::dataChanged,
                   this, &GrepOutputView::updateApplyState);
    }

    replacementCombo->clearEditText();

    //after deleting the whole search history, index is -1
    if(index >= 0)
    {
        QVariant var = modelSelector->itemData(index);
        auto *resultModel = static_cast<GrepOutputModel *>(qvariant_cast<QObject*>(var));
        resultsTreeView->setModel(resultModel);
        resultsTreeView->expandAll();

        connect(model(), &GrepOutputModel::showMessage,
                this, &GrepOutputView::showMessage);
        connect(model(), &GrepOutputModel::dataChanged,
                this, &GrepOutputView::updateApplyState);
        model()->showMessageEmit();
        applyButton->setEnabled(model()->hasResults() &&
                                model()->getRootItem() &&
                                model()->getRootItem()->checkState() != Qt::Unchecked &&
                                !replacementCombo->currentText().isEmpty());
        if(model()->hasResults())
            expandElements(QModelIndex());
        else {
            updateButtonState(false);
        }
    }

    updateCheckable();
    updateApplyState(model()->index(0, 0), model()->index(0, 0));
    m_refresh->setEnabled(true);
    m_clearSearchHistory->setEnabled(true);
}

void GrepOutputView::setMessage(const QString& msg, MessageType type)
{