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package eu.etaxonomy.vaadin.ui.navigation;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.vaadin.dialogs.ConfirmDialog;
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import org.vaadin.spring.events.EventBus.UIEventBus;
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import com.vaadin.navigator.Navigator.UriFragmentManager;
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import com.vaadin.server.Page;
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import com.vaadin.server.Page.UriFragmentChangedEvent;
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import com.vaadin.spring.annotation.SpringComponent;
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import com.vaadin.spring.annotation.UIScope;
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import com.vaadin.ui.UI;
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import com.vaadin.ui.Window;
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@SpringComponent
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@UIScope
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public class NavigationUriFragmentManager extends UriFragmentManager {
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private static final long serialVersionUID = -2033745435437337863L;
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@Autowired
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UIEventBus uiEventBus;
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public NavigationUriFragmentManager() {
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super(Page.getCurrent());
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}
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@Override
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public void uriFragmentChanged(UriFragmentChangedEvent event) {
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if(!isModalWindowShown()){
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uiEventBus.publish(this, new NavigationEvent(getState()));
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} else {
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ConfirmDialog confirm = ConfirmDialog.getFactory().create(
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"Notification",
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"You can't leave this page as long as modal popup editors are open.",
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"Ok", null, null);
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confirm.getCancelButton().setVisible(false);
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confirm.show(UI.getCurrent(), null, true);
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}
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}
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/**
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*
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*/
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protected boolean isModalWindowShown() {
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return UI.getCurrent().getWindows().stream().anyMatch(Window::isModal);
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}
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}
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