Examples with AppUI io.jmix.ui.AppUI used on opensource projects

Example 56 with AppUI

use of io.jmix.ui.AppUI in project jmix by jmix-framework.

the class ScreenNavigationHandler method doHandle.

@Override
public boolean doHandle(NavigationState requestedState, AppUI ui) {
    UrlChangeHandler urlChangeHandler = ui.getUrlChangeHandler();
    if (urlChangeHandler.isEmptyState(requestedState) || !isScreenChanged(requestedState, ui)) {
        return false;
    }
    String requestedRoute = requestedState.getNestedRoute();
    if (StringUtils.isEmpty(requestedRoute)) {
        log.info("Unable to handle state with empty route '{}'", requestedState);
        urlChangeHandler.revertNavigationState();
        return true;
    }
    String[] routeParts = { requestedRoute };
    if (windowConfig.findWindowInfoByRoute(requestedRoute) == null) {
        routeParts = requestedRoute.split("/");
    }
    if (routeParts.length > MAX_SUB_ROUTES) {
        log.info("Unable to perform navigation to requested state '{}'. Only {} sub routes are supported", requestedRoute, MAX_SUB_ROUTES);
        urlChangeHandler.revertNavigationState();
        return true;
    }
    List<Pair<String, WindowInfo>> routeWindowInfos = Arrays.stream(routeParts).map(subRoute -> new Pair<>(subRoute, windowConfig.findWindowInfoByRoute(subRoute))).collect(Collectors.toList());
    for (Pair<String, WindowInfo> entry : routeWindowInfos) {
        WindowInfo routeWindowInfo = entry.getSecond();
        if (routeWindowInfo == null) {
            log.info("No registered screen found for route: '{}'", entry.getFirst());
            urlChangeHandler.revertNavigationState();
            handle404(entry.getFirst(), ui);
            return true;
        }
        if (urlChangeHandler.shouldRedirect(routeWindowInfo)) {
            urlChangeHandler.redirect(requestedState);
            return true;
        }
        if (urlChangeHandler.isRootRoute(routeWindowInfo)) {
            log.info("Unable navigate to '{}' as nested screen", routeWindowInfo.getId());
            urlChangeHandler.revertNavigationState();
            return true;
        }
    }
    return navigate(requestedState, ui, routeWindowInfos);
}