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package eu.dnetlib.client;
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import com.google.gwt.user.client.History;
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import com.google.gwt.user.client.Window;
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import com.google.gwt.user.client.ui.RootPanel;
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/**
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* Created by stefania on 3/6/15.
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*/
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public class NavigationManager {
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private static NavigationManager instance = null;
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private ContentManager contentManager = null;
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private MainMenu mainMenu = null;
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private BreadcrumbsMenu breadcrumbsMenu = null;
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private NavigationManager() {
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}
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public static final NavigationManager getInstance() {
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if(instance==null)
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instance = new NavigationManager();
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return instance;
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}
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public void navigate(String token) {
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GoldOAPortal.previousToken = GoldOAPortal.currentToken;
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GoldOAPortal.currentToken = token;
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if(breadcrumbsMenu!=null)
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breadcrumbsMenu.updateBreadcrumbsMenu(token);
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if(mainMenu!=null)
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mainMenu.updateMainMenu(token);
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if(contentManager!=null)
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contentManager.updateContent(token);
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}
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public void update() {
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RootPanel.get("menu").clear();
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RootPanel.get("breadcrumbs").clear();
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try {
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contentManager = new ContentManager();
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} catch (Exception e) {
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Window.alert("Content manager -> " + e.getMessage());
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}
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try {
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mainMenu = new MainMenu();
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} catch (Exception e) {
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Window.alert("Main menu -> " + e.getMessage());
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}
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try {
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breadcrumbsMenu = new BreadcrumbsMenu();
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} catch (Exception e) {
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Window.alert("Breadcrumbs menu -> " + e.getMessage());
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}
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RootPanel.get("menu").add(mainMenu.asWidget());
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RootPanel.get("breadcrumbs").add(breadcrumbsMenu.asWidget());
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}
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}
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