Method ExamplesWidget

src/frontend/examples/ExamplesWidget.cpp:29–88

! \class ExamplesWidget \brief Widget showing all available example projects. \ingroup frontend */

	\ingroup frontend
 */
ExamplesWidget::ExamplesWidget(QWidget* parent)
	: QWidget(parent) {
	ui.setupUi(this);
	ui.bInfo->setIcon(QIcon::fromTheme(QLatin1String("help-about")));
	ui.bViewMode->setIcon(QIcon::fromTheme(QLatin1String("view-list-icons")));
	ui.bViewMode->setToolTip(i18n("Switch between icon and list views"));

	ui.lvExamples->setViewMode(QListView::IconMode);
	ui.lvExamples->setSelectionMode(QAbstractItemView::SingleSelection);
	ui.lvExamples->setWordWrap(true);
	ui.lvExamples->setResizeMode(QListWidget::Adjust);
	ui.lvExamples->setDragDropMode(QListView::NoDragDrop);
	ui.lvExamples->setEditTriggers(QAbstractItemView::NoEditTriggers);
	ui.lvExamples->setIconSize(QSize(256, 256));
	connect(ui.lvExamples, &QAbstractItemView::doubleClicked, this, &ExamplesWidget::doubleClicked);

	ui.lPreview->setScaledContents(false);
	ui.lPreview->setAlignment(Qt::AlignHCenter | Qt::AlignVCenter);

	const int size = ui.leSearch->height();
	ui.lSearch->setPixmap(QIcon::fromTheme(QLatin1String("edit-find")).pixmap(size, size));

	QString info = i18n("Enter the keyword you want to search for");
	ui.lSearch->setToolTip(info);
	ui.leSearch->setToolTip(info);
	ui.leSearch->setPlaceholderText(i18n("Search..."));
	ui.leSearch->setFocus();

	m_manager = ExamplesManager::instance();
	ui.cbCollections->addItems(m_manager->collectionNames());

	connect(ui.cbCollections, QOverload<int>::of(&QComboBox::currentIndexChanged), this, &ExamplesWidget::collectionChanged);
	connect(ui.bInfo, &QPushButton::clicked, this, &ExamplesWidget::showInfo);
	connect(ui.bViewMode, &QPushButton::clicked, this, &ExamplesWidget::toggleIconView);
	connect(ui.stackedWidget, &QStackedWidget::currentChanged, this, &ExamplesWidget::viewModeChanged);
	connect(ui.lwExamples, &QListWidget::itemSelectionChanged, this, &ExamplesWidget::exampleChanged);

	// select the last used collection
	KConfigGroup conf = Settings::group(QStringLiteral("ExamplesWidget"));
	const QString& collection = conf.readEntry("Collection", QString());
	if (collection.isEmpty())
		ui.cbCollections->setCurrentIndex(0);
	else {
		for (int i = 0; i < ui.cbCollections->count(); ++i) {
			if (ui.cbCollections->itemText(i) == collection) {
				ui.cbCollections->setCurrentIndex(i);
				break;
			}
		}

		const QString& colorMap = conf.readEntry("Example", QString());
		auto items = ui.lwExamples->findItems(colorMap, Qt::MatchExactly);
		if (items.count() == 1)
			ui.lwExamples->setCurrentItem(items.constFirst());
	}

	collectionChanged(ui.cbCollections->currentIndex());