Example usage for com.vaadin.server StreamResource StreamResource

List of usage examples for com.vaadin.server StreamResource StreamResource

Introduction

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

Prototype

public StreamResource(StreamSource streamSource, String filename) 

Source Link

Document

Creates a new stream resource for downloading from stream.

Usage

From source file:de.fatalix.bookery.view.common.SuggestLaneLayout.java

License:Open Source License

private VerticalLayout createBookCoverLayout(final BookEntry bookEntry) {
    Image image = new Image();
    image.setDescription(bookEntry.getTitle() + " von " + bookEntry.getAuthor());
    image.setHeight("200px");
    image.setWidth("130px");
    image.setImmediate(true);/*from   w  w  w .j av  a2s. c  o  m*/
    if (bookEntry.getThumbnail() != null) {
        StreamResource.StreamSource source = new ByteStreamResource(bookEntry.getThumbnail());
        image.setSource(new StreamResource(source, bookEntry.getId() + "_thumb.png"));
    } else if (bookEntry.getCover() != null) {
        StreamResource.StreamSource source = new ByteStreamResource(bookEntry.getCover());
        image.setSource(new StreamResource(source, bookEntry.getId() + ".png"));
    }

    VerticalLayout result = new VerticalLayout(image);
    result.setHeight("210px");
    result.addStyleName("pointer-cursor");
    result.addStyleName("book-cover");
    result.setComponentAlignment(image, Alignment.MIDDLE_CENTER);

    result.addLayoutClickListener(new LayoutEvents.LayoutClickListener() {

        @Override
        public void layoutClick(LayoutEvents.LayoutClickEvent event) {
            bookDetailLayout.loadData(bookEntry);
            bookDetailLayout.setLayoutVisible(true);
        }
    });
    return result;
}

From source file:de.metas.ui.web.vaadin.report.VaadinJRViewerProvider.java

License:Open Source License

@Override
public void openViewer(final byte[] data, final OutputType type, final String title, final ProcessInfo pi)
        throws JRException {
    final StreamResource pdfResource = new StreamResource(() -> new ByteArrayInputStream(data), "report.pdf");

    final Window window = new Window();
    window.setCaption(title);/*  w  w w.  j  a v  a  2  s .c  om*/

    window.setStyleName(STYLE);
    window.center();
    window.setWidth(800, Unit.PIXELS);
    window.setHeight(600, Unit.PIXELS);

    final BrowserFrame pdfComp = new BrowserFrame();
    pdfComp.setPrimaryStyleName(STYLE + "-content");
    pdfComp.setSizeFull();
    pdfComp.setSource(pdfResource);
    window.setContent(pdfComp);

    UI.getCurrent().addWindow(window);
}

From source file:de.symeda.sormas.ui.utils.DownloadUtil.java

License:Open Source License

@SuppressWarnings("serial")
public static StreamResource createDatabaseExportStreamResource(DatabaseExportView databaseExportView,
        String fileName, String mimeType) {
    StreamResource streamResource = new StreamResource(new StreamSource() {
        @Override/*from   ww w.  j a  va 2  s .  com*/
        public InputStream getStream() {
            try {
                Map<CheckBox, DatabaseTable> databaseToggles = databaseExportView.getDatabaseTableToggles();
                List<DatabaseTable> tablesToExport = new ArrayList<>();
                for (CheckBox checkBox : databaseToggles.keySet()) {
                    if (checkBox.getValue() == true) {
                        tablesToExport.add(databaseToggles.get(checkBox));
                    }
                }

                String zipPath = FacadeProvider.getExportFacade().generateDatabaseExportArchive(tablesToExport);
                return new BufferedInputStream(Files.newInputStream(new File(zipPath).toPath()));
            } catch (IOException | ExportErrorException e) {
                // TODO This currently requires the user to click the "Export" button again or reload the page as the UI
                // is not automatically updated; this should be changed once Vaadin push is enabled (see #516)
                databaseExportView.showExportErrorNotification();
                return null;
            }
        }
    }, fileName);
    streamResource.setMIMEType(mimeType);
    streamResource.setCacheTime(0);
    return streamResource;
}

From source file:de.symeda.sormas.ui.utils.DownloadUtil.java

License:Open Source License

@SuppressWarnings("serial")
public static StreamResource createFileStreamResource(String filePath, String fileName, String mimeType,
        String errorTitle, String errorText) {
    StreamResource streamResource = new StreamResource(new StreamSource() {
        @Override/*w  w w.  j a va2 s  . c o  m*/
        public InputStream getStream() {
            try {
                return new BufferedInputStream(Files.newInputStream(new File(filePath).toPath()));
            } catch (IOException e) {
                // TODO This currently requires the user to click the "Export" button again or reload the page as the UI
                // is not automatically updated; this should be changed once Vaadin push is enabled (see #516)
                new Notification(errorTitle, errorText, Type.ERROR_MESSAGE, false).show(Page.getCurrent());
                return null;
            }
        }
    }, fileName);
    streamResource.setMIMEType(mimeType);
    streamResource.setCacheTime(0);
    return streamResource;
}

From source file:de.symeda.sormas.ui.utils.DownloadUtil.java

License:Open Source License

@SuppressWarnings("serial")
public static StreamResource createStringStreamResource(String content, String fileName, String mimeType) {
    StreamResource streamResource = new StreamResource(new StreamSource() {
        @Override/*from   ww w .  j a  v  a 2 s.com*/
        public InputStream getStream() {
            return new ByteArrayInputStream(content.getBytes(StandardCharsets.UTF_8));
        }
    }, fileName);
    streamResource.setMIMEType(mimeType);
    return streamResource;
}

From source file:de.symeda.sormas.ui.utils.DownloadUtil.java

License:Open Source License

@SuppressWarnings("serial")
public static <T> StreamResource createCsvExportStreamResource(Class<T> exportRowClass,
        BiFunction<Integer, Integer, List<T>> exportRowsSupplier,
        BiFunction<String, Class<?>, String> propertyIdCaptionFunction, String exportFileName) {
    StreamResource extendedStreamResource = new StreamResource(new StreamSource() {
        @Override/*from  w  w  w .j a v  a  2 s. c  om*/
        public InputStream getStream() {
            try (ByteArrayOutputStream byteStream = new ByteArrayOutputStream()) {
                try (CSVWriter writer = CSVUtils.createCSVWriter(
                        new OutputStreamWriter(byteStream, StandardCharsets.UTF_8.name()),
                        FacadeProvider.getConfigFacade().getCsvSeparator())) {

                    // 1. fields in order of declaration - not using Introspector here, because it gives properties in alphabetical order
                    List<Method> readMethods = new ArrayList<Method>();
                    readMethods.addAll(Arrays.stream(exportRowClass.getDeclaredMethods())
                            .filter(m -> (m.getName().startsWith("get") || m.getName().startsWith("is"))
                                    && m.isAnnotationPresent(Order.class))
                            .sorted((a, b) -> Integer.compare(a.getAnnotationsByType(Order.class)[0].value(),
                                    b.getAnnotationsByType(Order.class)[0].value()))
                            .collect(Collectors.toList()));

                    // 2. replace entity fields with all the columns of the entity 
                    Map<Method, Function<T, ?>> subEntityProviders = new HashMap<Method, Function<T, ?>>();
                    for (int i = 0; i < readMethods.size(); i++) {
                        Method method = readMethods.get(i);
                        if (EntityDto.class.isAssignableFrom(method.getReturnType())) {

                            // allows us to access the sub entity
                            Function<T, ?> subEntityProvider = (o) -> {
                                try {
                                    return method.invoke(o);
                                } catch (IllegalAccessException | IllegalArgumentException
                                        | InvocationTargetException e) {
                                    throw new RuntimeException(e);
                                }
                            };

                            // remove entity field
                            readMethods.remove(i);

                            // add columns of the entity
                            List<Method> subReadMethods = Arrays
                                    .stream(method.getReturnType().getDeclaredMethods())
                                    .filter(m -> (m.getName().startsWith("get") || m.getName().startsWith("is"))
                                            && m.isAnnotationPresent(Order.class))
                                    .sorted((a, b) -> Integer.compare(
                                            a.getAnnotationsByType(Order.class)[0].value(),
                                            b.getAnnotationsByType(Order.class)[0].value()))
                                    .collect(Collectors.toList());
                            readMethods.addAll(i, subReadMethods);
                            i--;

                            for (Method subReadMethod : subReadMethods) {
                                subEntityProviders.put(subReadMethod, subEntityProvider);
                            }
                        }
                    }

                    String[] fieldValues = new String[readMethods.size()];
                    for (int i = 0; i < readMethods.size(); i++) {
                        Method method = readMethods.get(i);
                        // field caption
                        String propertyId = method.getName().startsWith("get") ? method.getName().substring(3)
                                : method.getName().substring(2);
                        propertyId = Character.toLowerCase(propertyId.charAt(0)) + propertyId.substring(1);
                        fieldValues[i] = propertyIdCaptionFunction.apply(propertyId, method.getReturnType());
                    }
                    writer.writeNext(fieldValues);

                    int startIndex = 0;
                    List<T> exportRows = exportRowsSupplier.apply(startIndex, DETAILED_EXPORT_STEP_SIZE);
                    while (!exportRows.isEmpty()) {
                        try {
                            for (T exportRow : exportRows) {
                                for (int i = 0; i < readMethods.size(); i++) {
                                    Method method = readMethods.get(i);
                                    Function<T, ?> subEntityProvider = subEntityProviders.getOrDefault(method,
                                            null);
                                    Object entity = subEntityProvider != null
                                            ? subEntityProvider.apply(exportRow)
                                            : exportRow;
                                    // Sub entity might be null
                                    Object value = entity != null ? method.invoke(entity) : null;
                                    if (value == null) {
                                        fieldValues[i] = "";
                                    } else if (value instanceof Date) {
                                        fieldValues[i] = DateHelper.formatLocalShortDate((Date) value);
                                    } else if (value.getClass().equals(boolean.class)
                                            || value.getClass().equals(Boolean.class)) {
                                        fieldValues[i] = DataHelper.parseBoolean((Boolean) value);
                                    } else if (value instanceof Set) {
                                        StringBuilder sb = new StringBuilder();
                                        for (Object o : (Set<?>) value) {
                                            if (sb.length() != 0) {
                                                sb.append(", ");
                                            }
                                            sb.append(o);
                                        }
                                        fieldValues[i] = sb.toString();
                                    } else {
                                        fieldValues[i] = value.toString();
                                    }
                                }
                                writer.writeNext(fieldValues);
                            }
                            ;
                        } catch (InvocationTargetException | IllegalAccessException
                                | IllegalArgumentException e) {
                            throw new RuntimeException(e);
                        }

                        writer.flush();
                        startIndex += DETAILED_EXPORT_STEP_SIZE;
                        exportRows = exportRowsSupplier.apply(startIndex, DETAILED_EXPORT_STEP_SIZE);
                    }
                }
                return new BufferedInputStream(new ByteArrayInputStream(byteStream.toByteArray()));
            } catch (IOException e) {
                // TODO This currently requires the user to click the "Export" button again or reload the page as the UI
                // is not automatically updated; this should be changed once Vaadin push is enabled (see #516)
                new Notification(I18nProperties.getString(Strings.headingExportFailed),
                        I18nProperties.getString(Strings.messageExportFailed), Type.ERROR_MESSAGE, false)
                                .show(Page.getCurrent());
                return null;
            }
        }
    }, exportFileName);
    extendedStreamResource.setMIMEType("text/csv");
    extendedStreamResource.setCacheTime(0);
    return extendedStreamResource;
}

From source file:de.unioninvestment.eai.portal.portlet.crud.mvp.views.DefaultRowEditingFormView.java

License:Apache License

private void updateDownloadLink(ContainerRow row, final ContainerBlob containerBlob,
        final FileMetadata metadata, Link link) {

    if (!containerBlob.isEmpty()) {
        StreamSource streamSource = containerBlob.getStreamSource();
        String displayName = metadata.getCurrentDisplayname(row);
        String fileName = metadata.getCurrentFilename(row);
        String mimeType = metadata.getCurrentMimetype(row);
        StreamResource resource = new StreamResource(streamSource, fileName);
        resource.setMIMEType(mimeType);//from   w w  w .j  av  a2s  .co m

        link.setVisible(true);
        link.setTargetName("_blank");
        link.setCaption(displayName);
        link.setResource(resource);
    }
}

From source file:de.unioninvestment.eai.portal.portlet.crud.mvp.views.ui.BLobColumnGenerator.java

License:Apache License

private Link buildBlobLink(ContainerRow row, String columnId, ContainerBlob containerBlob) {
    StreamSource streamSource = containerBlob.getStreamSource();
    FileMetadata metadata = columns.get(columnId).getFileMetadata();
    StreamResource resource = new StreamResource(streamSource, metadata.getFileName());

    String fileName = metadata.getCurrentDisplayname(row);
    String mimeType = metadata.getCurrentMimetype(row);

    resource.setMIMEType(mimeType);/* ww w  .  j a v a 2  s  .c o  m*/
    Link link = new Link();
    link.setCaption(fileName);
    link.setResource(resource);
    link.setTargetName("_blank");
    return link;
}

From source file:de.uni_tuebingen.qbic.qbicmainportlet.DatasetComponent.java

License:Open Source License

/**
 * Precondition: {DatasetView#table} has to be initialized. e.g. with
 * {DatasetView#buildFilterTable} If it is not, strange behaviour has to be expected. builds the
 * Layout of this view./* w ww.java  2  s.c o  m*/
 */
private void buildLayout() {
    this.vert.removeAllComponents();
    this.vert.setSizeFull();

    vert.setResponsive(true);

    // Table (containing datasets) section
    VerticalLayout tableSection = new VerticalLayout();
    HorizontalLayout tableSectionContent = new HorizontalLayout();
    tableSection.setResponsive(true);
    tableSectionContent.setResponsive(true);

    // tableSectionContent.setCaption("Datasets");
    // tableSectionContent.setIcon(FontAwesome.FLASK);
    // tableSection.addComponent(new Label(String.format("This project contains %s dataset(s).",
    // numberOfDatasets)));
    tableSectionContent.setMargin(new MarginInfo(true, false, true, false));

    tableSection.addComponent(headerLabel);
    tableSectionContent.addComponent(this.table);
    vert.setMargin(new MarginInfo(false, true, false, false));

    tableSection.setMargin(new MarginInfo(true, false, false, true));
    // tableSectionContent.setMargin(true);
    // tableSection.setMargin(true);

    tableSection.addComponent(tableSectionContent);
    this.vert.addComponent(tableSection);

    table.setSizeFull();
    tableSection.setSizeFull();
    tableSectionContent.setSizeFull();

    // this.table.setSizeFull();

    HorizontalLayout buttonLayout = new HorizontalLayout();
    buttonLayout.setMargin(new MarginInfo(false, false, true, true));
    buttonLayout.setHeight(null);
    // buttonLayout.setWidth("100%");
    buttonLayout.setSpacing(true);
    buttonLayout.setResponsive(true);

    // final Button visualize = new Button(VISUALIZE_BUTTON_CAPTION);

    Button checkAll = new Button("Select all datasets");
    checkAll.addClickListener(new ClickListener() {

        @Override
        public void buttonClick(ClickEvent event) {
            for (Object itemId : table.getItemIds()) {
                ((CheckBox) table.getItem(itemId).getItemProperty("Select").getValue()).setValue(true);
            }
        }
    });

    Button uncheckAll = new Button("Unselect all datasets");
    uncheckAll.addClickListener(new ClickListener() {

        @Override
        public void buttonClick(ClickEvent event) {
            for (Object itemId : table.getItemIds()) {
                ((CheckBox) table.getItem(itemId).getItemProperty("Select").getValue()).setValue(false);
            }
        }
    });

    String content = "<p> In case of multiple file selections, Project Browser will create a tar archive.</p>"
            + "<hr>" + "<p> If you need help on extracting a tar archive file, follow the tips below: </p>"
            + "<p>" + FontAwesome.WINDOWS.getHtml() + " Windows </p>"
            + "<p> To open/extract TAR file on Windows, you can use 7-Zip, Easy 7-Zip, PeaZip.</p>" + "<hr>"
            + "<p>" + FontAwesome.APPLE.getHtml() + " MacOS </p>"
            + "<p> To open/extract TAR file on Mac, you can use Mac OS built-in utility Archive Utility,<br> or third-party freeware. </p>"
            + "<hr>" + "<p>" + FontAwesome.LINUX.getHtml() + " Linux </p>"
            + "<p> You need to use command tar. The tar is the GNU version of tar archiving utility. <br> "
            + "To extract/unpack a tar file, type: $ tar -xvf file.tar</p>";

    export.setIcon(FontAwesome.DOWNLOAD);

    PopupView tooltip = new PopupView(new helpers.ToolTip(content));
    tooltip.setHeight("44px");

    HorizontalLayout help = new HorizontalLayout();
    help.setSizeFull();
    HorizontalLayout helpContent = new HorizontalLayout();
    // helpContent.setSizeFull();

    help.setMargin(new MarginInfo(false, false, false, true));
    Label helpText = new Label("Attention: Click here before Download!");
    helpContent.addComponent(new Label(FontAwesome.QUESTION_CIRCLE.getHtml(), ContentMode.HTML));
    helpContent.addComponent(helpText);
    helpContent.addComponent(tooltip);
    helpContent.setSpacing(true);

    help.addComponent(helpContent);
    help.setComponentAlignment(helpContent, Alignment.TOP_CENTER);

    buttonLayout.addComponent(export);
    buttonLayout.addComponent(checkAll);
    buttonLayout.addComponent(uncheckAll);
    // buttonLayout.addComponent(visualize);
    buttonLayout.addComponent(this.download);

    /**
     * prepare download.
     */
    download.setEnabled(false);
    download.setResource(new ExternalResource("javascript:"));
    // visualize.setEnabled(false);

    for (final Object itemId : this.table.getItemIds()) {
        setCheckedBox(itemId, (String) this.table.getItem(itemId).getItemProperty("CODE").getValue());
    }

    this.table.addItemClickListener(new ItemClickListener() {
        @Override
        public void itemClick(ItemClickEvent event) {
            if (!event.isDoubleClick()
                    & !((boolean) table.getItem(event.getItemId()).getItemProperty("isDirectory").getValue())) {
                String datasetCode = (String) table.getItem(event.getItemId()).getItemProperty("CODE")
                        .getValue();
                String datasetFileName = (String) table.getItem(event.getItemId()).getItemProperty("File Name")
                        .getValue();
                URL url;
                try {
                    Resource res = null;
                    Object parent = table.getParent(event.getItemId());
                    if (parent != null) {
                        String parentDatasetFileName = (String) table.getItem(parent)
                                .getItemProperty("File Name").getValue();
                        url = datahandler.getOpenBisClient().getUrlForDataset(datasetCode,
                                parentDatasetFileName + "/" + datasetFileName);
                    } else {
                        url = datahandler.getOpenBisClient().getUrlForDataset(datasetCode, datasetFileName);
                    }

                    Window subWindow = new Window();
                    VerticalLayout subContent = new VerticalLayout();
                    subContent.setMargin(true);
                    subContent.setSizeFull();
                    subWindow.setContent(subContent);
                    QbicmainportletUI ui = (QbicmainportletUI) UI.getCurrent();
                    Boolean visualize = false;

                    if (datasetFileName.endsWith(".pdf")) {
                        QcMlOpenbisSource re = new QcMlOpenbisSource(url);
                        StreamResource streamres = new StreamResource(re, datasetFileName);
                        streamres.setMIMEType("application/pdf");
                        res = streamres;
                        visualize = true;
                    }

                    if (datasetFileName.endsWith(".png")) {
                        QcMlOpenbisSource re = new QcMlOpenbisSource(url);
                        StreamResource streamres = new StreamResource(re, datasetFileName);
                        // streamres.setMIMEType("application/png");
                        res = streamres;
                        visualize = true;
                    }

                    if (datasetFileName.endsWith(".qcML")) {
                        QcMlOpenbisSource re = new QcMlOpenbisSource(url);
                        StreamResource streamres = new StreamResource(re, datasetFileName);
                        streamres.setMIMEType("text/xml");
                        res = streamres;
                        visualize = true;
                    }

                    if (datasetFileName.endsWith(".alleles")) {
                        QcMlOpenbisSource re = new QcMlOpenbisSource(url);
                        StreamResource streamres = new StreamResource(re, datasetFileName);
                        streamres.setMIMEType("text/plain");
                        res = streamres;
                        visualize = true;
                    }

                    if (datasetFileName.endsWith(".tsv")) {
                        QcMlOpenbisSource re = new QcMlOpenbisSource(url);
                        StreamResource streamres = new StreamResource(re, datasetFileName);
                        streamres.setMIMEType("text/plain");
                        res = streamres;
                        visualize = true;
                    }

                    if (datasetFileName.endsWith(".GSvar")) {
                        QcMlOpenbisSource re = new QcMlOpenbisSource(url);
                        StreamResource streamres = new StreamResource(re, datasetFileName);
                        streamres.setMIMEType("text/plain");
                        res = streamres;
                        visualize = true;
                    }

                    if (datasetFileName.endsWith(".log")) {
                        QcMlOpenbisSource re = new QcMlOpenbisSource(url);
                        StreamResource streamres = new StreamResource(re, datasetFileName);
                        streamres.setMIMEType("text/plain");
                        res = streamres;
                        visualize = true;
                    }

                    if (datasetFileName.endsWith(".html")) {
                        QcMlOpenbisSource re = new QcMlOpenbisSource(url);
                        StreamResource streamres = new StreamResource(re, datasetFileName);
                        streamres.setMIMEType("text/html");
                        res = streamres;
                        visualize = true;
                    }

                    if (visualize) {
                        // LOGGER.debug("Is resource null?: " + String.valueOf(res == null));
                        BrowserFrame frame = new BrowserFrame("", res);

                        subContent.addComponent(frame);

                        // Center it in the browser window
                        subWindow.center();
                        subWindow.setModal(true);
                        subWindow.setSizeUndefined();
                        subWindow.setHeight("75%");
                        subWindow.setWidth("75%");
                        subWindow.setResizable(false);

                        frame.setSizeFull();
                        frame.setHeight("100%");
                        // frame.setHeight((int) (ui.getPage().getBrowserWindowHeight() * 0.9), Unit.PIXELS);

                        // Open it in the UI
                        ui.addWindow(subWindow);
                    }

                } catch (MalformedURLException e) {
                    LOGGER.error(String.format("Visualization failed because of malformedURL for dataset: %s",
                            datasetCode));
                    Notification.show(
                            "Given dataset has no file attached to it!! Please Contact your project manager. Or check whether it already has some data",
                            Notification.Type.ERROR_MESSAGE);
                }
            }
        }
    });

    this.vert.addComponent(buttonLayout);
    this.vert.addComponent(help);

}

From source file:de.uni_tuebingen.qbic.qbicmainportlet.DatasetView.java

License:Open Source License

/**
 * Precondition: {DatasetView#table} has to be initialized. e.g. with
 * {DatasetView#buildFilterTable} If it is not, strange behaviour has to be expected. builds the
 * Layout of this view./* w w  w .j  a v  a2 s .  c  om*/
 */
private void buildLayout() {
    this.vert.removeAllComponents();

    int browserWidth = UI.getCurrent().getPage().getBrowserWindowWidth();
    int browserHeight = UI.getCurrent().getPage().getBrowserWindowHeight();

    this.vert.setWidth("100%");
    this.setWidth(String.format("%spx", (browserWidth * 0.6)));
    // this.setHeight(String.format("%spx", (browserHeight * 0.8)));

    VerticalLayout statistics = new VerticalLayout();
    HorizontalLayout statContent = new HorizontalLayout();
    statContent.setCaption("Statistics");
    statContent.setIcon(FontAwesome.BAR_CHART_O);
    statContent.addComponent(new Label(String.format("%s registered dataset(s).", numberOfDatasets)));
    statContent.setMargin(true);
    statContent.setSpacing(true);
    statistics.addComponent(statContent);
    statistics.setMargin(true);
    this.vert.addComponent(statistics);

    // Table (containing datasets) section
    VerticalLayout tableSection = new VerticalLayout();
    HorizontalLayout tableSectionContent = new HorizontalLayout();

    tableSectionContent.setCaption("Registered Datasets");
    tableSectionContent.setIcon(FontAwesome.FLASK);
    tableSectionContent.addComponent(this.table);

    tableSectionContent.setMargin(true);
    tableSection.setMargin(true);

    tableSection.addComponent(tableSectionContent);
    this.vert.addComponent(tableSection);

    table.setWidth("100%");
    tableSection.setWidth("100%");
    tableSectionContent.setWidth("100%");

    // this.table.setSizeFull();

    HorizontalLayout buttonLayout = new HorizontalLayout();
    buttonLayout.setHeight(null);
    buttonLayout.setWidth("100%");
    buttonLayout.setSpacing(false);

    final Button visualize = new Button(VISUALIZE_BUTTON_CAPTION);
    buttonLayout.addComponent(this.download);
    buttonLayout.addComponent(visualize);

    Button checkAll = new Button("Select all datasets");
    checkAll.addClickListener(new ClickListener() {

        @Override
        public void buttonClick(ClickEvent event) {
            for (Object itemId : table.getItemIds()) {
                ((CheckBox) table.getItem(itemId).getItemProperty("Select").getValue()).setValue(true);
            }
        }
    });

    Button uncheckAll = new Button("Unselect all datasets");
    uncheckAll.addClickListener(new ClickListener() {

        @Override
        public void buttonClick(ClickEvent event) {
            for (Object itemId : table.getItemIds()) {
                ((CheckBox) table.getItem(itemId).getItemProperty("Select").getValue()).setValue(false);
            }
        }
    });

    buttonLayout.addComponent(checkAll);
    buttonLayout.addComponent(uncheckAll);
    /**
     * prepare download.
     */
    download.setResource(new ExternalResource("javascript:"));
    download.setEnabled(false);
    visualize.setEnabled(false);

    for (final Object itemId : this.table.getItemIds()) {
        setCheckedBox(itemId, (String) this.table.getItem(itemId).getItemProperty("CODE").getValue());
    }

    /*
     * Update the visualize button. It is only enabled, if the files can be visualized.
     */
    this.table.addValueChangeListener(new ValueChangeListener() {
        /**
         * 
         */
        private static final long serialVersionUID = -4875903343717437913L;

        /**
         * check for what selection can be visualized. If so, enable the button. TODO change to
         * checked.
         */
        @Override
        public void valueChange(ValueChangeEvent event) {
            // Nothing selected or more than one selected.
            Set<Object> selectedValues = (Set<Object>) event.getProperty().getValue();
            if (selectedValues == null || selectedValues.size() == 0 || selectedValues.size() > 1) {
                visualize.setEnabled(false);
                return;
            }
            // if one selected check whether its dataset type is either fastqc or qcml.
            // For now we only visulize these two file types.
            Iterator<Object> iterator = selectedValues.iterator();
            Object next = iterator.next();
            String datasetType = (String) table.getItem(next).getItemProperty("Dataset Type").getValue();
            String fileName = (String) table.getItem(next).getItemProperty("File Name").getValue();
            // TODO: No hardcoding!!
            // if (datasetType.equals("FASTQC") || datasetType.equals("QCML") ||
            // datasetType.equals("BAM")
            // || datasetType.equals("VCF")) {
            if (datasetType.equals("Q_WF_MS_QUALITYCONTROL_RESULTS")
                    && (fileName.endsWith(".html") || fileName.endsWith(".qcML"))) {
                visualize.setEnabled(true);
            } else if (datasetType.equals("Q_WF_MS_QUALITYCONTROL_LOGS")
                    && (fileName.endsWith(".err") || fileName.endsWith(".out"))) {
                visualize.setEnabled(true);
            } else {
                visualize.setEnabled(false);
            }
        }
    });

    // TODO Workflow Views should get those data and be happy
    /*
     * Send message that in datasetview the following was selected. WorkflowViews get those messages
     * and save them, if it is valid information for them.
     */
    this.table.addValueChangeListener(new ValueChangeListener() {
        /**
         * 
         */
        private static final long serialVersionUID = -3554627008191389648L;

        @Override
        public void valueChange(ValueChangeEvent event) {
            // Nothing selected or more than one selected.
            Set<Object> selectedValues = (Set<Object>) event.getProperty().getValue();
            State state = (State) UI.getCurrent().getSession().getAttribute("state");
            ArrayList<String> message = new ArrayList<String>();
            message.add("DataSetView");
            if (selectedValues != null && selectedValues.size() == 1) {
                Iterator<Object> iterator = selectedValues.iterator();
                Object next = iterator.next();
                String datasetType = (String) table.getItem(next).getItemProperty("Dataset Type").getValue();
                message.add(datasetType);
                String project = (String) table.getItem(next).getItemProperty("Project").getValue();

                String space = datahandler.getOpenBisClient().getProjectByCode(project).getSpaceCode();// .getIdentifier().split("/")[1];
                message.add(project);
                message.add((String) table.getItem(next).getItemProperty("Sample").getValue());
                // message.add((String) table.getItem(next).getItemProperty("Sample Type").getValue());
                message.add((String) table.getItem(next).getItemProperty("dl_link").getValue());
                message.add((String) table.getItem(next).getItemProperty("File Name").getValue());
                message.add(space);
                // state.notifyObservers(message);
            } else {
                message.add("null");
            } // TODO
              // state.notifyObservers(message);

        }
    });

    // TODO get the GV to work here. Together with reverse proxy
    // Assumes that table Value Change listner is enabling or disabling the button if preconditions
    // are not fullfilled
    visualize.addClickListener(new ClickListener() {
        /**
         * 
         */
        private static final long serialVersionUID = 9015273307461506369L;

        @Override
        public void buttonClick(ClickEvent event) {
            Set<Object> selectedValues = (Set<Object>) table.getValue();
            Iterator<Object> iterator = selectedValues.iterator();
            Object next = iterator.next();
            String datasetCode = (String) table.getItem(next).getItemProperty("CODE").getValue();
            String datasetFileName = (String) table.getItem(next).getItemProperty("File Name").getValue();
            URL url;
            try {
                Object parent = table.getParent(next);
                if (parent != null) {
                    String parentDatasetFileName = (String) table.getItem(parent).getItemProperty("File Name")
                            .getValue();
                    url = datahandler.getOpenBisClient().getUrlForDataset(datasetCode,
                            parentDatasetFileName + "/" + datasetFileName);
                } else {
                    url = datahandler.getOpenBisClient().getUrlForDataset(datasetCode, datasetFileName);
                }

                Window subWindow = new Window(
                        "QC of Sample: " + (String) table.getItem(next).getItemProperty("Sample").getValue());
                VerticalLayout subContent = new VerticalLayout();
                subContent.setMargin(true);
                subWindow.setContent(subContent);
                QbicmainportletUI ui = (QbicmainportletUI) UI.getCurrent();
                // Put some components in it
                Resource res = null;
                String datasetType = (String) table.getItem(next).getItemProperty("Dataset Type").getValue();
                final RequestHandler rh = new ProxyForGenomeViewerRestApi();
                boolean rhAttached = false;
                if (datasetType.equals("Q_WF_MS_QUALITYCONTROL_RESULTS") && datasetFileName.endsWith(".qcML")) {
                    QcMlOpenbisSource re = new QcMlOpenbisSource(url);
                    StreamResource streamres = new StreamResource(re, datasetFileName);
                    streamres.setMIMEType("application/xml");
                    res = streamres;
                } else if (datasetType.equals("Q_WF_MS_QUALITYCONTROL_RESULTS")
                        && datasetFileName.endsWith(".html")) {
                    QcMlOpenbisSource re = new QcMlOpenbisSource(url);
                    StreamResource streamres = new StreamResource(re, datasetFileName);
                    streamres.setMIMEType("text/html");
                    res = streamres;
                } else if (datasetType.equals("Q_WF_MS_QUALITYCONTROL_LOGS")
                        && (datasetFileName.endsWith(".err") || datasetFileName.endsWith(".out"))) {
                    QcMlOpenbisSource re = new QcMlOpenbisSource(url);
                    StreamResource streamres = new StreamResource(re, datasetFileName);
                    streamres.setMIMEType("text/plain");
                    res = streamres;
                } else if (datasetType.equals("FASTQC")) {
                    res = new ExternalResource(url);
                } else if (datasetType.equals("BAM") || datasetType.equals("VCF")) {
                    String filePath = (String) table.getItem(next).getItemProperty("dl_link").getValue();
                    filePath = String.format("/store%s", filePath.split("store")[1]);
                    String fileId = (String) table.getItem(next).getItemProperty("File Name").getValue();
                    // fileId = "control.1kg.panel.samples.vcf.gz";
                    // UI.getCurrent().getSession().addRequestHandler(rh);
                    rhAttached = true;
                    ThemeDisplay themedisplay = (ThemeDisplay) VaadinService.getCurrentRequest()
                            .getAttribute(WebKeys.THEME_DISPLAY);
                    String hostTmp = "http://localhost:7778/vizrest/rest";// "http://localhost:8080/web/guest/mainportlet?p_p_id=QbicmainportletApplicationPortlet_WAR_QBiCMainPortlet_INSTANCE_5pPd5JQ8uGOt&p_p_lifecycle=2&p_p_state=normal&p_p_mode=view&p_p_cacheability=cacheLevelPage&p_p_col_id=column-1&p_p_col_count=1";
                    // hostTmp +=
                    // "&qbicsession=" + UI.getCurrent().getSession().getAttribute("gv-restapi-session")
                    // + "&someblabla=";
                    // String hostTmp = themedisplay.getURLPortal() +
                    // UI.getCurrent().getPage().getLocation().getPath() + "?qbicsession=" +
                    // UI.getCurrent().getSession().getAttribute("gv-restapi-session") + "&someblabla=" ;
                    // String host = Base64.encode(hostTmp.getBytes());
                    String title = (String) table.getItem(next).getItemProperty("Sample").getValue();
                    // res =
                    // new ExternalResource(
                    // String
                    // .format(
                    // "http://localhost:7778/genomeviewer/?host=%s&title=%s&fileid=%s&featuretype=alignments&filepath=%s&removeZeroGenotypes=false",
                    // host, title, fileId, filePath));
                }
                BrowserFrame frame = new BrowserFrame("", res);
                if (rhAttached) {
                    frame.addDetachListener(new DetachListener() {

                        /**
                         * 
                         */
                        private static final long serialVersionUID = 1534523447730906543L;

                        @Override
                        public void detach(DetachEvent event) {
                            UI.getCurrent().getSession().removeRequestHandler(rh);
                        }

                    });
                }

                frame.setSizeFull();
                subContent.addComponent(frame);

                // Center it in the browser window
                subWindow.center();
                subWindow.setModal(true);
                subWindow.setSizeFull();

                frame.setHeight((int) (ui.getPage().getBrowserWindowHeight() * 0.8), Unit.PIXELS);
                // Open it in the UI
                ui.addWindow(subWindow);
            } catch (MalformedURLException e) {
                LOGGER.error(String.format("Visualization failed because of malformedURL for dataset: %s",
                        datasetCode));
                Notification.show(
                        "Given dataset has no file attached to it!! Please Contact your project manager. Or check whether it already has some data",
                        Notification.Type.ERROR_MESSAGE);
            }
        }
    });

    this.vert.addComponent(buttonLayout);

}