Example usage for com.vaadin.server Page getCurrent

Introduction

In this page you can find the example usage for com.vaadin.server Page getCurrent.

Prototype

public static Page getCurrent() 

Source Link

Document

Gets the Page to which the current uI belongs.

Usage

From source file:com.porotype.iconfont.FontAwesome.java

/**
 * Loads the FontAwesome CSS, and thus actual font, from the given location.
 * <p>//from   ww  w . ja  v  a 2  s  .com
 * <code>
 * FontAwesome.load(new ThemeResource("font-awesome/css/font-awesome.min.css"));
 * </code>
 * </p>
 * 
 * @param fontAwesomeCss
 */
public static void load(Resource fontAwesomeCss) {
    Page.getCurrent().getStyles().add(fontAwesomeCss);
}

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From source file:com.salsaw.msalsa.HomePageView.java

License:Apache License

/**
 * The constructor should first build the main layout, set the
 * composition root and then do any custom initialization.
 *
 * The constructor will not be automatically regenerated by the
 * visual editor.//from  ww  w  . j  a  v a2 s .  com
 * @param navigator 
 */
public HomePageView(SalsaParameters salsaParameters) {
    if (salsaParameters == null) {
        throw new IllegalArgumentException("salsaParameters");
    }

    buildMainLayout();

    // Create form with salsa parameters
    BeanItem<SalsaParameters> salsaParametersBeanItem = new BeanItem<SalsaParameters>(salsaParameters);
    SalsaParametersForm salsaParametersForm = new SalsaParametersForm(salsaParametersBeanItem);

    Button toogleSalsaParametersButton = new Button("Show/Hide M-SALSA Parameters");
    toogleSalsaParametersButton.addClickListener(new Button.ClickListener() {
        /**
        * 
        */
        private static final long serialVersionUID = 1L;

        public void buttonClick(ClickEvent event) {
            salsaParametersForm.setVisible(!salsaParametersForm.isVisible());
        }
    });

    toogleSalsaParametersButton.setWidth("-1px");
    toogleSalsaParametersButton.setHeight("-1px");
    mainLayout.addComponent(toogleSalsaParametersButton);
    mainLayout.setComponentAlignment(toogleSalsaParametersButton, new Alignment(48));

    salsaParametersForm.setWidth("-1px");
    salsaParametersForm.setHeight("-1px");
    mainLayout.addComponent(salsaParametersForm);
    mainLayout.setComponentAlignment(salsaParametersForm, new Alignment(48));

    setCompositionRoot(mainLayout);

    // TODO add user code here      

    // Implement both receiver that saves upload in a file and
    // listener for successful upload
    class AligmentUploader implements Receiver, SucceededListener {
        /**
        * 
        */
        private static final long serialVersionUID = 1L;

        public File file;

        public OutputStream receiveUpload(String filename, String mimeType) {
            // Create upload stream
            FileOutputStream fos = null; // Stream to write to
            try {
                // Load server configuration
                String tmpFolder = ConfigurationManager.getInstance().getServerConfiguration()
                        .getTemporaryFilePath();

                // Open the file for writing.
                file = Paths.get(tmpFolder, filename).toFile();
                fos = new FileOutputStream(file);
            } catch (final java.io.FileNotFoundException e) {
                new Notification("Could not open file<br/>", e.getMessage(), Notification.Type.ERROR_MESSAGE)
                        .show(Page.getCurrent());
                return null;
            }
            return fos; // Return the output stream to write to
        }

        public void uploadSucceeded(SucceededEvent event) {
            try {
                for (IHomePageListener listener : listeners) {
                    listener.buttonClick(file);
                }

            } catch (SALSAException | IOException | InterruptedException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();

                new Notification("ERROR: ", e.getMessage(), Notification.Type.ERROR_MESSAGE)
                        .show(Page.getCurrent());
            }
        }
    }
    ;

    AligmentUploader receiver = new AligmentUploader();

    uploadInput.setReceiver(receiver);
    uploadInput.addSucceededListener(receiver);

}

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From source file:com.save.reports.maintenance.MaintenanceReportUI.java

void processExportDataToExcel() {
    ExportDataGridToExcel export = new ExportDataGridToExcel(mrDataGrid);
    export.workSheet();/*from ww w.  ja  v a2s  .co m*/

    StreamResource.StreamSource source = () -> {
        try {
            File f = new File(export.getFilePath());
            FileInputStream fis = new FileInputStream(f);
            return fis;
        } catch (Exception e) {
            ErrorLoggedNotification.showErrorLoggedOnWindow(e.toString(), this.getClass().getName());
            return null;
        }
    };

    Date date = new Date();

    StreamResource resource = new StreamResource(source, "MaintenanceReport" + "-" + date.getTime() + ".xls");
    resource.setMIMEType("application/vnd.ms-office");

    Page.getCurrent().open(resource, null, false);
}

---

From source file:com.save.reports.promodeals.PromoDealReportUI.java

void processExportDataToExcel() {
    ExportDataGridToExcel export = new ExportDataGridToExcel(promoDealGrid);
    export.workSheet();/* w ww. ja v a  2s  . co  m*/

    StreamResource.StreamSource source = () -> {
        try {
            File f = new File(export.getFilePath());
            FileInputStream fis = new FileInputStream(f);
            return fis;
        } catch (Exception e) {
            ErrorLoggedNotification.showErrorLoggedOnWindow(e.toString(), this.getClass().getName());
            return null;
        }
    };

    Date date = new Date();

    StreamResource resource = new StreamResource(source, "PromoDealsReport" + "-" + date.getTime() + ".xls");
    resource.setMIMEType("application/vnd.ms-office");

    Page.getCurrent().open(resource, null, false);
}

---

From source file:com.save.reports.reimbursement.ReimbursementReportUI.java

void processExportDataToExcel() {
    ExportDataGridToExcel export = new ExportDataGridToExcel(mrDataGrid);
    export.workSheet();//  w ww .  j av a2 s .c  o  m

    StreamResource.StreamSource source = () -> {
        try {
            File f = new File(export.getFilePath());
            FileInputStream fis = new FileInputStream(f);
            return fis;
        } catch (Exception e) {
            ErrorLoggedNotification.showErrorLoggedOnWindow(e.toString(), this.getClass().getName());
            return null;
        }
    };

    Date date = new Date();

    StreamResource resource = new StreamResource(source, "ReimbursementReport" + "-" + date.getTime() + ".xls");
    resource.setMIMEType("application/vnd.ms-office");

    Page.getCurrent().open(resource, null, false);
}

---

From source file:com.savoirfairelinux.presentations.QuoteView.java

License:Open Source License

/**
 * Listeners allow us to attach actions to different events. For example, a value change listener is triggered
 * when a UI component such a drop down menu has a change in its value. Or, a click listener is triggered when
 * an action is performed on a button./*from   w w w.ja  v a 2  s  . c  o  m*/
 */
private void addClickListeners() {

    // We basically indicate that aside from the initial setup, we can't have a null or empty value, avoids things
    // like null pointer exceptions.
    vehicleType.setNullSelectionAllowed(false);

    /*
    Slightly quick and dirty, and in terms of space and time complexity, it isn't ideal:
    We have detected that we switched to an item
        Remove all existing data in the dropdown boxes
        Add appropriate data to the boxes
        Make sure that the boxes are modifiable
     */
    vehicleType.addValueChangeListener(valueChangeEvent -> {
        if (valueChangeEvent.getProperty().getValue().equals("Motorcycle")) {
            year.setEnabled(true);
        } else if (valueChangeEvent.getProperty().getValue().equals("Automobile")) {
            year.setEnabled(true);
        }
    });

    // We only allow a user to click next if we validated the current form. Otherwise, we should throw an error.
    next.addClickListener(e -> {
        if (personalGroup.isValid()) {
            setEnabled(true);
            setSelectedTab(1);
        } else {
            new Notification("Required Fields", "Please check that all fields are filled correctly",
                    Notification.Type.ERROR_MESSAGE).show(Page.getCurrent());
        }
    });

}

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From source file:com.scipionyx.butterflyeffect.frontend.configuration.ui.view.AboutView.java

License:Apache License

/**
 * /*from  w  w  w .  jav  a  2 s . c om*/
 * @param justclean
 * @throws UnknownHostException
 */
@SuppressWarnings("deprecation")
private void loadFrontEndInformation(boolean loadData) throws UnknownHostException {

    // Remove all before adding
    tableFrontEndInformation.setItems(new ArrayList<>());

    if (!loadData)
        return;

    List<GridProperty<?>> items = new ArrayList<>();

    // Server Ip Address
    items.add(new GridProperty<String>("Server Ip 4 Host Address", Inet4Address.getLocalHost().getHostAddress(),
            ""));
    items.add(new GridProperty<String>("Server Ip 6 Host Address", Inet6Address.getLocalHost().getHostAddress(),
            ""));
    // Server Id

    // Server Memory
    items.add(new GridProperty<Long>("Free Memory", Runtime.getRuntime().freeMemory(), ""));
    items.add(new GridProperty<Long>("Max Memory", Runtime.getRuntime().maxMemory(), ""));
    items.add(new GridProperty<Long>("Total Memory", Runtime.getRuntime().totalMemory(), ""));
    // Server
    items.add(new GridProperty<String>("Availabe Processors", Runtime.getRuntime().availableProcessors() + "",
            ""));

    // Session
    items.add(new GridProperty<String>("Session Id", VaadinSession.getCurrent().getSession().getId(), ""));
    items.add(new GridProperty<String>("Session CreationTime",
            (new Date(VaadinSession.getCurrent().getSession().getCreationTime()).toGMTString()), ""));
    items.add(new GridProperty<String>("Session Last Access Time",
            (new Date(VaadinSession.getCurrent().getSession().getLastAccessedTime()).toGMTString()), ""));

    items.add(new GridProperty<String>("User", SecurityContextHolder.getContext().getAuthentication().getName(),
            ""));
    Collection<? extends GrantedAuthority> authorities = SecurityContextHolder.getContext().getAuthentication()
            .getAuthorities();
    String roles = null;
    for (GrantedAuthority grantedAuthority : authorities) {
        if (roles == null)
            roles = grantedAuthority.getAuthority();
        else
            roles = roles + "," + grantedAuthority.getAuthority();
    }
    items.add(new GridProperty<String>("Roles", roles, ""));
    items.add(new GridProperty<String>("Client Ip", Page.getCurrent().getWebBrowser().getAddress(), ""));

    tableFrontEndInformation.setItems(items);

}

---

From source file:com.snowy.data.java

public String genToken(String username, String password) {

    if (login(username, password)) {

        String unameToke = username;
        for (int i = username.length(); i < 40; i++) {
            unameToke += "0";
        }/*from  w ww  . ja v a  2 s . com*/
        unameToke += "00000";
        //uname 45
        //ip = 15 111.111.111.111
        String tok = "";
        String address = Page.getCurrent().getWebBrowser().getAddress();
        String addLat = "";
        if (address.indexOf('.') != -1) {
            for (String i : address.split("\\.")) {
                if (i.length() < 3) {
                    for (int x = i.length(); x < 3; x++) {
                        i = "0" + i;
                    }
                    addLat += i;
                } else {
                    addLat += i;
                }
                addLat += ".";
            }
            addLat = addLat.substring(0, addLat.length() - 1);
        } else {
            addLat = address;
        }
        int zz = 0;
        int bb = 0;
        for (int b = 0; b < 60; b++) {
            if (b % 4 == 0) {
                tok += addLat.charAt(bb);
                bb++;
            } else {
                tok += unameToke.charAt(zz);
                zz++;
            }
        }
        tok += System.currentTimeMillis() / 1000L;
        String hash = org.apache.commons.codec.digest.DigestUtils.sha256Hex(tok);
        hash += org.apache.commons.codec.digest.DigestUtils.sha256Hex(hash) + hash;
        VaadinSession.getCurrent().setAttribute("token", hash);

        try {
            //return hash;
            PreparedStatement ps = con
                    .prepareStatement("update users set token = ?, active =1 where Username =?");
            ps.setString(1, VaadinSession.getCurrent().getCsrfToken());

            //ps.setString(1, "balls");
            //ps.setString(2, "true");
            ps.setString(2, username);
            ps.executeUpdate();

            //ps.close();
            //rs.close();
        } catch (SQLException ex) {
            Logger.getLogger(data.class.getName()).log(Level.SEVERE, null, ex);
        }
        return hash;
    } else {
        return "false";
    }

}

---

From source file:com.snowy.MyVaadinUI.java

@Override
protected void init(VaadinRequest request) {
    //d = new data(template);
    if (Page.getCurrent().getWebBrowser().isTooOldToFunctionProperly()) {
        Page.getCurrent().setLocation("https://www.google.com/chrome/browser/");
    }/*from  w  w  w . j a v a 2  s  .  c o m*/
    //VaadinService.getCurrent().
    Page.getCurrent().setTitle("Connect 4");

    d = new data();
    //this.access(()->{

    //n.addView("postLogin", new PostLoginView());
    //Navigator n = this.getNavigator();
    //n.addProvider();
    //});
    /*
    final TextField name = new TextField();
    name.setCaption("Type your name here:");
            
    Button button = new Button("Click Me");
    button.addClickListener( e -> {
    layout.addComponent(new Label("Thanks " + name.getValue() 
            + ", it works!"));
    });
    */
    JavaScript.getCurrent().addFunction("closeMyApplication", new JavaScriptFunction() {
        @Override
        public void call(JsonArray arguments) {
            //Logger.getLogger(MyVaadinUI.class.getName()).info(VaadinSession.getCurrent().getCsrfToken());
            d.logout(VaadinSession.getCurrent().getCsrfToken());
            //new data().setInActive(VaadinSession.getCurrent().getCsrfToken());
            //VaadinSession.getCurrent().close();
        }

    });

    Page.getCurrent().getJavaScript().execute(
            "window.onbeforeunload = function (e) { var e = e || window.event; closeMyApplication(); return; };");
    VaadinService.getCurrent().addSessionDestroyListener(e -> {
        //Logger.getLogger(MyVaadinUI.class.getName()).info(e.getSession().getCsrfToken());
        d.logout(e.getSession().getCsrfToken());

    });

    //Navigator n = new Navigator(this,this);
    //n.addView("Main", new PostLoginView());
    //        this.setNavigator(n);
    //layout.setComponentAlignment(MainL, Alignment.TOP_CENTER);
    this.setPollInterval(1000);
    this.addPollListener((UIEvents.PollEvent e) -> {
        if (e.getUI().getContent().toString().contains("PostLoginView")) {
            PostLoginView plv = (PostLoginView) e.getUI().getContent();
            d.resetActiveIfNot();
            plv.getChatWindow().getUsersList().retrieveActiveUsers();

            plv.getChatWindow().updateChats();
            plv.getGameWindow().updateRequests();
            plv.getGameWindow().updateGames();
            plv.getGameWindow().checkForNewGames();
            //Logger.getLogger(MyVaadinUI.class.getName()).log(Level.INFO,plv.getChatWindow().getUsersList().getValue().toString());
        }

    });
    Navigator navigator = new Navigator(this, this);
    navigator.addProvider(viewProvider);

    navigator.addViewChangeListener(new ViewChangeListener() {
        @Override
        public boolean beforeViewChange(ViewChangeListener.ViewChangeEvent event) {

            if (Page.getCurrent().getLocation().getPath().equals("/")
                    || VaadinSession.getCurrent().getAttribute("token") != null) {

                return true;
            } else {

                //Notification.show(,Notification.Type.ERROR_MESSAGE);
                return false;
            }
        }

        @Override
        public void afterViewChange(ViewChangeListener.ViewChangeEvent event) {

        }

    });

    /*UI.getCurrent().setErrorHandler(new DefaultErrorHandler(){
     @Override
     public void error(com.vaadin.server.ErrorEvent event) {
         UI.getCurrent().setContent(new Label("error"));
     }
                
    });*/
    //VaadinService.createCriticalNotificationJSON("","", "", "");
    //navigator.setErrorView(navigator.getCurrentView());
    //layout.setComponentAlignment(link, Alignment.MIDDLE_CENTER);
    //setContent(new Login());

}

---

From source file:com.snowy.PostLoginView.java

@Override
public void enter(ViewChangeListener.ViewChangeEvent event) {
    //this.getSession().getConfiguration().
    d = ((MyVaadinUI) event.getNavigator().getUI()).getDataObject();
    if (d.getUsernameFromToken() == "") {
        Page.getCurrent().setLocation("");
    }/* w ww .java2 s. co  m*/
}

---

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