Method collectionChanged

src/frontend/colormaps/ColorMapsWidget.cpp:133–176

* Shows all categories and sub-categories for the currently selected collection */

 * Shows all categories and sub-categories for the currently selected collection
 */
void ColorMapsWidget::collectionChanged(int) {
	const QString& collection = ui.cbCollections->currentText();

	// populate the list view for the icon mode
	if (m_model)
		delete m_model;

	m_model = new QStandardItemModel(this);
	const auto& colorMapNames = m_manager->colorMapNames(collection);
	for (const auto& name : colorMapNames) {
		auto* item = new QStandardItem();
		QPixmap pixmap;
		m_manager->render(pixmap, name);
		item->setIcon(QIcon(pixmap));
		item->setText(name);
		m_model->appendRow(item);
	}

	ui.lvColorMaps->setModel(m_model);

	// populate the list widget for the list mode
	ui.lwColorMaps->clear();
	ui.lwColorMaps->addItems(colorMapNames);

	// populate the list widget for the list details mode
	ui.lwColorMapsDetails->clear();
	ui.lwColorMapsDetails->addItems(colorMapNames);

	// select the first color map in the current collection
	ui.lvColorMaps->setCurrentIndex(ui.lvColorMaps->model()->index(0, 0));
	ui.lwColorMaps->setCurrentRow(0);
	ui.lwColorMapsDetails->setCurrentRow(0);

	// update the completer
	if (m_completer)
		delete m_completer;

	m_completer = new QCompleter(colorMapNames, this);
	connect(m_completer, QOverload<const QString&>::of(&QCompleter::activated), this, &ColorMapsWidget::activated);
	m_completer->setCompletionMode(QCompleter::PopupCompletion);
	m_completer->setCaseSensitivity(Qt::CaseInsensitive);
	m_completer->setFilterMode(Qt::MatchContains);
	ui.leSearch->setCompleter(m_completer);
}

void ColorMapsWidget::colorMapChanged() {
	const QString& name = ui.lwColorMaps->currentItem()->text();