Example usage for com.vaadin.navigator ViewProvider getView

Introduction

In this page you can find the example usage for com.vaadin.navigator ViewProvider getView.

Prototype

public View getView(String viewName);

Source Link

Document

Create or return a pre-created instance of a view.

Usage

From source file:org.lucidj.navigatormanager.DefaultNavigatorManager.java

License:Apache License

@Override
public boolean navigateTo(String navigationState, Map<String, Object> dataProperties) {
    UI ui = UI.getCurrent();//ww  w.  jav  a  2 s.c o m

    if (ui == null) {
        return (false);
    }

    Navigator navigator = ui.getNavigator();

    if (navigator == null) {
        return (false);
    }

    ViewProvider proxy_view_provider = get_or_create_proxy_view_provider(navigator);
    String view_name = proxy_view_provider.getViewName(navigationState);

    if (view_name == null) {
        return (false);
    }

    View view = proxy_view_provider.getView(view_name);

    if (view instanceof AbstractComponent) {
        // Store properties as component data
        ((AbstractComponent) view).setData(dataProperties);
    }
    navigator.navigateTo(navigationState);
    return (true);
}

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From source file:org.lucidj.navigatormanager.ProxyViewProvider.java

License:Apache License

@Override // ViewProvider
public View getView(String viewName) {
    View view = view_name_to_view.get(viewName);

    // Do we have a cached view?
    if (view == null) {
        ViewProvider provider = view_name_to_provider.get(viewName);

        if (provider == null) {
            log.error("Provider not found for view: {}", viewName);
            return (null);
        }/*from   ww w . j  av  a  2 s  . co  m*/
        view = provider.getView(viewName);
        view_name_to_view.put(viewName, view);
    }
    log.info("ProxyViewProvider.getView (viewName={}) => {}", viewName, view);
    return (view);
}

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