Example usage for com.vaadin.ui Image setVisible

Introduction

In this page you can find the example usage for com.vaadin.ui Image setVisible.

Prototype

@Override
    public void setVisible(boolean visible) 

Source Link

Usage

From source file:annis.gui.ReportBugWindow.java

License:Apache License

private void addScreenshotPreview(Layout layout, final byte[] rawImage, String mimeType) {
    StreamResource res = new StreamResource(new ScreenDumpStreamSource(rawImage),
            "screendump_" + UUID.randomUUID().toString() + ".png");
    res.setMIMEType(mimeType);//  w  ww.  j  a  v a  2  s.com

    final Image imgScreenshot = new Image("Attached screenshot", res);
    imgScreenshot.setAlternateText(
            "Screenshot of the ANNIS browser window, " + "no other window or part of the desktop is captured.");
    imgScreenshot.setVisible(false);
    imgScreenshot.setWidth("100%");

    Button btShowScreenshot = new Button("Show attached screenshot",
            new ShowScreenshotClickListener(imgScreenshot));
    btShowScreenshot.addStyleName(BaseTheme.BUTTON_LINK);
    btShowScreenshot.setIcon(FontAwesome.PLUS_SQUARE_O);

    layout.addComponent(btShowScreenshot);
    layout.addComponent(imgScreenshot);
}

---

From source file:com.adonis.ui.menu.Menu.java

private void createViewButtonWithEditableImage(final String name, String caption, String nameImage) {
    Button button = new Button(caption, new ClickListener() {
        @Override/* w  w  w .  j av a 2  s .  co  m*/
        public void buttonClick(ClickEvent event) {
            navigator.navigateTo(name);
        }

    });

    button.setPrimaryStyleName(ValoTheme.BUTTON_FRIENDLY);
    //        button.setWidth(50, Unit.PERCENTAGE);
    image.setWidth(90, Unit.PIXELS);
    image.setHeight(90, Unit.PIXELS);

    FileReader.createDirectoriesFromCurrent(getInitialPath());
    final Image image = new Image("", new ThemeResource("img/" + nameImage));
    try {
        FileReader.copyFile(VaadinUtils.getResourcePath(nameImage),
                VaadinUtils.getInitialPath() + File.separator + nameImage);
        image.setSource(new FileResource(new File(VaadinUtils.getInitialPath() + File.separator + nameImage)));
    } catch (IOException e) {
        e.printStackTrace();
        image.setSource(new ThemeResource("img/" + nameImage));
    }

    //        image.setWidth(50, Unit.PERCENTAGE);
    image.setWidth(90, Unit.PIXELS);
    image.setHeight(90, Unit.PIXELS);
    HorizontalLayout horizontalLayout = new HorizontalLayout();
    horizontalLayout.setPrimaryStyleName(ValoTheme.MENU_ITEM);
    horizontalLayout.addComponents(image, button);
    image.addClickListener(new MouseEvents.ClickListener() {
        @Override
        public void click(MouseEvents.ClickEvent event) {
            uploadFieldImage = new UploadField();
            uploadFieldImage.setAcceptFilter("image/*");
            uploadFieldImage.getUpload().addListener(new com.vaadin.v7.ui.Upload.FailedListener() {
                @Override
                public void uploadFailed(com.vaadin.v7.ui.Upload.FailedEvent event) {
                    uploadFieldImage.clearDefaulLayout();
                    horizontalLayout.removeComponent(uploadFieldImage);
                }

                private static final long serialVersionUID = 1L;

            });
            horizontalLayout.addComponent(uploadFieldImage, 2);
            uploadFieldImage.getUpload().addListener(new com.vaadin.v7.ui.Upload.SucceededListener() {

                @Override
                public void uploadSucceeded(com.vaadin.v7.ui.Upload.SucceededEvent event) {
                    File file = (File) uploadFieldImage.getValue();
                    try {
                        showUploadedImage(uploadFieldImage, image, file.getName(), nameImage);
                    } catch (IOException e) {
                        e.printStackTrace();
                    }
                    uploadFieldImage.clearDefaulLayout();
                    horizontalLayout.removeComponent(uploadFieldImage);

                }
            });
            uploadFieldImage.setFieldType(UploadField.FieldType.FILE);
            horizontalLayout.markAsDirty();
            //                image.setWidth(50, Unit.PERCENTAGE);
            image.setWidth(90, Unit.PIXELS);
            image.setHeight(90, Unit.PIXELS);
            image.setVisible(false);
            image.markAsDirty();
            horizontalLayout.addComponent(image, 0);
        }
    });
    button.setVisible(true);
    image.setVisible(true);
    menuItemsLayout.addComponents(horizontalLayout);
    viewButtons.put(name, button);
}

---

From source file:com.adonis.ui.menu.Menu.java

private void showUploadedImage(UploadField upload, Image image, String fileName, String newNameFile)
        throws IOException {
    File value = (File) upload.getValue();
    //copy to resources
    FileReader.copyFile(value.getAbsolutePath().toString(), VaadinUtils.getResourcePath(newNameFile));
    //copy to server directory
    FileReader.createDirectoriesFromCurrent(getInitialPath());
    FileReader.copyFile(value.getAbsolutePath().toString(),
            VaadinUtils.getInitialPath() + File.separator + newNameFile);
    FileInputStream fileInputStream = new FileInputStream(value);
    long byteLength = value.length(); //bytecount of the file-content

    byte[] filecontent = new byte[(int) byteLength];
    fileInputStream.read(filecontent, 0, (int) byteLength);
    final byte[] data = filecontent;

    StreamResource resource = new StreamResource(new StreamResource.StreamSource() {
        @Override/*w w  w  .ja v  a2  s .  c o m*/
        public InputStream getStream() {
            return new ByteArrayInputStream(data);
        }
    }, fileName);

    image.setSource(resource);
    image.setVisible(true);
}

---

From source file:org.vaadin.easyuploads.ImagePreviewField.java

License:Apache License

@Override
protected void updateDisplayComponent() {
    try {//from   w ww  .  jav a2  s .c om
        Image image = (Image) display;
        // check if upload is an image
        if (getValue() != null && ImageIO.read(new ByteArrayInputStream(getValue())) != null) {
            // Update the image according to
            // https://vaadin.com/book/vaadin7/-/page/components.embedded.html
            SimpleDateFormat df = new SimpleDateFormat("yyyyMMddHHmmssSSS");
            String filename = df.format(new Date()) + getLastFileName();
            StreamResource resource = new StreamResource(new ImageSource(getValue()), filename);
            resource.setCacheTime(0);
            image.setSource(resource);
            image.setVisible(true);
        } else {
            image.setVisible(false);
            image.setSource(null);
            setValue(null);
        }
        image.markAsDirty();
        if (display.getParent() == null) {
            getRootLayout().addComponent(display);
        }
    } catch (IOException e) {
        e.printStackTrace();
    }
}

---