Examples with Screen com.haulmont.cuba.gui.screen.Screen used on opensource projects

Example 66 with Screen

use of com.haulmont.cuba.gui.screen.Screen in project cuba by cuba-platform.

the class ParamsNavigationHandler method doHandle.

@Override
public boolean doHandle(NavigationState requestedState, AppUI ui) {
    UrlChangeHandler urlChangeHandler = ui.getUrlChangeHandler();
    if (urlChangeHandler.isEmptyState(requestedState)) {
        return false;
    }
    Screen screen = urlChangeHandler.getActiveScreen();
    if (screen == null) {
        log.debug("Unable to find a screen for state: '{}", requestedState);
        return false;
    }
    Map<String, String> params = requestedState.getParams() != null ? requestedState.getParams() : Collections.emptyMap();
    WebWindow window = (WebWindow) screen.getWindow();
    NavigationState resolvedState = window.getResolvedState();
    if (resolvedState == null || params.equals(resolvedState.getParams())) {
        return false;
    }
    NavigationState newState = new NavigationState(resolvedState.getRoot(), resolvedState.getStateMark(), resolvedState.getNestedRoute(), params);
    window.setResolvedState(newState);
    UiControllerUtils.fireEvent(screen, UrlParamsChangedEvent.class, new UrlParamsChangedEvent(screen, params));
    return true;
}