Examples with DataFlavor java.awt.datatransfer.DataFlavor used on opensource projects

Example 26 with DataFlavor

use of java.awt.datatransfer.DataFlavor in project processdash by dtuma.

the class TabularClipboardDataHelper method getTabularDataFromClipboard.

public static List<List<String>> getTabularDataFromClipboard() {
    Clipboard cb = Toolkit.getDefaultToolkit().getSystemClipboard();
    DataFlavor[] flavors = cb.getAvailableDataFlavors();
    if (flavors == null)
        return null;
    DataFlavor html = searchForFlavor(flavors, "text/html", "java.lang.String");
    if (html != null) {
        try {
            String data = (String) cb.getData(html);
            return HtmlTableParser.parseTable(data, true);
        } catch (Exception e) {
            return null;
        }
    }
    DataFlavor text = searchForFlavor(flavors, "text/plain", "java.lang.String");
    if (text != null) {
        try {
            String data = (String) cb.getData(text);
            if (HtmlTableParser.containsHtmlTableData(data))
                return HtmlTableParser.parseTable(data, true);
            else
                return parseTabDelimitedData(data);
        } catch (Exception e) {
            return null;
        }
    }
    return null;
}

Example 27 with DataFlavor

use of java.awt.datatransfer.DataFlavor in project Fling by entertailion.

the class FileDrop method isDragOk.

// end dropListener
/** Determine if the dragged data is a file list. */
private boolean isDragOk(final java.io.PrintStream out, final java.awt.dnd.DropTargetDragEvent evt) {
    boolean ok = false;
    // Get data flavors being dragged
    java.awt.datatransfer.DataFlavor[] flavors = evt.getCurrentDataFlavors();
    // See if any of the flavors are a file list
    int i = 0;
    while (!ok && i < flavors.length) {
        // BEGIN 2007-09-12 Nathan Blomquist -- Linux (KDE/Gnome) support added.
        // Is the flavor a file list?
        final DataFlavor curFlavor = flavors[i];
        if (curFlavor.equals(java.awt.datatransfer.DataFlavor.javaFileListFlavor) || curFlavor.isRepresentationClassReader()) {
            ok = true;
        }
        // END 2007-09-12 Nathan Blomquist -- Linux (KDE/Gnome) support added.
        i++;
    }
    // If logging is enabled, show data flavors
    if (out != null) {
        if (flavors.length == 0)
            log(out, "no data flavors.");
        for (i = 0; i < flavors.length; i++) log(out, flavors[i].toString());
    }
    return ok;
}

Example 28 with DataFlavor

use of java.awt.datatransfer.DataFlavor in project jna by java-native-access.

the class AlphaMaskDemo method run.

public void run() {
    // Must find a graphics configuration with a depth of 32 bits
    GraphicsConfiguration gconfig = WindowUtils.getAlphaCompatibleGraphicsConfiguration();
    frame = new JFrame("Alpha Mask Demo");
    alphaWindow = new JWindow(frame, gconfig);
    MouseInputAdapter handler = new MouseInputAdapter() {

        private Point offset;

        public void mousePressed(MouseEvent e) {
            if (SwingUtilities.isLeftMouseButton(e))
                offset = e.getPoint();
        }

        public void mouseReleased(MouseEvent e) {
            offset = null;
            // hit testing; not sure why it gets disabled
            if (System.getProperty("os.name").startsWith("Windows"))
                update(true, true);
        }

        public void mouseDragged(MouseEvent e) {
            if (offset != null) {
                Window w = (Window) e.getSource();
                Point where = e.getPoint();
                where.translate(-offset.x, -offset.y);
                Point loc = w.getLocationOnScreen();
                loc.translate(where.x, where.y);
                w.setLocation(loc.x, loc.y);
            }
        }
    };
    alphaWindow.addMouseListener(handler);
    alphaWindow.addMouseMotionListener(handler);
    JPanel p = new JPanel(new BorderLayout(8, 8));
    p.setBorder(new EmptyBorder(8, 8, 8, 8));
    p.setTransferHandler(new TransferHandler() {

        private static final long serialVersionUID = 1L;

        public boolean canImport(JComponent comp, DataFlavor[] transferFlavors) {
            List<DataFlavor> list = Arrays.asList(transferFlavors);
            if (list.contains(URL_FLAVOR) || list.contains(URI_LIST_FLAVOR) || list.contains(DataFlavor.imageFlavor) || list.contains(DataFlavor.javaFileListFlavor)) {
                return true;
            }
            if (DataFlavor.selectBestTextFlavor(transferFlavors) != null) {
                return true;
            }
            System.out.println("No acceptable flavor found in " + Arrays.asList(transferFlavors));
            return false;
        }

        public boolean importData(JComponent comp, Transferable t) {
            try {
                if (t.isDataFlavorSupported(URL_FLAVOR)) {
                    URL url = (URL) t.getTransferData(URL_FLAVOR);
                    setImage(Toolkit.getDefaultToolkit().getImage(url));
                    return true;
                }
                if (t.isDataFlavorSupported(URI_LIST_FLAVOR)) {
                    String s = (String) t.getTransferData(URI_LIST_FLAVOR);
                    String[] uris = s.split("[\r\n]");
                    if (uris.length > 0) {
                        URL url = new URL(uris[0]);
                        setImage(Toolkit.getDefaultToolkit().getImage(url));
                        return true;
                    }
                    return false;
                }
                if (t.isDataFlavorSupported(DataFlavor.imageFlavor)) {
                    Image image = (Image) t.getTransferData(DataFlavor.imageFlavor);
                    setImage(image);
                    return true;
                }
                if (t.isDataFlavorSupported(DataFlavor.javaFileListFlavor)) {
                    List<File> files = (List<File>) t.getTransferData(DataFlavor.javaFileListFlavor);
                    File f = files.get(0);
                    URL url = new URL("file://" + f.toURI().toURL().getPath());
                    Image image = Toolkit.getDefaultToolkit().getImage(url);
                    setImage(image);
                    return true;
                }
                DataFlavor flavor = DataFlavor.selectBestTextFlavor(t.getTransferDataFlavors());
                if (flavor != null) {
                    Reader reader = flavor.getReaderForText(t);
                    char[] buf = new char[512];
                    StringBuilder b = new StringBuilder();
                    int count;
                    // encoding wrong
                    while ((count = reader.read(buf)) > 0) {
                        for (int i = 0; i < count; i++) {
                            if (buf[i] != 0)
                                b.append(buf, i, 1);
                        }
                    }
                    String html = b.toString();
                    Pattern p = Pattern.compile("<img.*src=\"([^\\\"\">]+)\"", Pattern.CANON_EQ | Pattern.UNICODE_CASE);
                    Matcher m = p.matcher(html);
                    if (m.find()) {
                        URL url = new URL(m.group(1));
                        System.out.println("Load image from " + url);
                        Image image = Toolkit.getDefaultToolkit().getImage(url);
                        setImage(image);
                        return true;
                    }
                    System.out.println("Can't parse text: " + html);
                    return false;
                }
                System.out.println("No flavor available: " + Arrays.asList(t.getTransferDataFlavors()));
            } catch (UnsupportedFlavorException e) {
                e.printStackTrace();
            } catch (IOException e) {
                e.printStackTrace();
            } catch (Throwable e) {
                e.printStackTrace();
            }
            return false;
        }
    });
    p.add(new JLabel("<html><center>Drop an image with an alpha channel onto this window<br>" + "You may also adjust the overall transparency with the slider</center></html>"), BorderLayout.NORTH);
    final JSlider slider = new JSlider(0, 255, 255);
    slider.addChangeListener(new ChangeListener() {

        public void stateChanged(ChangeEvent e) {
            int value = slider.getValue();
            setAlpha(value / 255f);
        }
    });
    p.add(slider, BorderLayout.SOUTH);
    frame.getContentPane().add(p);
    frame.pack();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    centerOnScreen(frame);
    frame.setVisible(true);
    p.addMouseListener(new MouseAdapter() {

        public void mousePressed(MouseEvent e) {
            update();
        }
    });
    try {
        URL url = getClass().getResource("tardis.png");
        if (url != null) {
            setImage(Toolkit.getDefaultToolkit().getImage(url));
        }
    } catch (Exception e) {
    }
}

Example 29 with DataFlavor

use of java.awt.datatransfer.DataFlavor in project jna by java-native-access.

the class DropHandler method getDropAction.

/** Calculate the effective action.  The default implementation 
     * checks whether any {@link DataFlavor}s are supported, and if so,
     * will change the current action from {@link DnDConstants#ACTION_NONE} to 
     * something in common between the source and destination.  Refuse 
     * user-requested actions if they are not supported (rather than silently 
     * accepting a non-user-requested action, which is the Java's DnD default 
     * behavior).  The drop action is forced to {@link DnDConstants#ACTION_NONE} 
     * if there is no supported data flavor.
     * @param e {@link DropTargetEvent}
     * @return effective drop action
     * @see #isSupported(DataFlavor[])
     * @see #getDropActionsForFlavors
     * @see #getDropAction(DropTargetEvent, int, int, int)
     * @see #canDrop(DropTargetEvent, int, Point)
     */
protected int getDropAction(DropTargetEvent e) {
    int currentAction = DragHandler.NONE;
    int sourceActions = DragHandler.NONE;
    Point location = null;
    DataFlavor[] flavors = new DataFlavor[0];
    if (e instanceof DropTargetDragEvent) {
        DropTargetDragEvent ev = (DropTargetDragEvent) e;
        currentAction = ev.getDropAction();
        sourceActions = ev.getSourceActions();
        flavors = ev.getCurrentDataFlavors();
        location = ev.getLocation();
    } else if (e instanceof DropTargetDropEvent) {
        DropTargetDropEvent ev = (DropTargetDropEvent) e;
        currentAction = ev.getDropAction();
        sourceActions = ev.getSourceActions();
        flavors = ev.getCurrentDataFlavors();
        location = ev.getLocation();
    }
    if (isSupported(flavors)) {
        int availableActions = getDropActionsForFlavors(flavors);
        currentAction = getDropAction(e, currentAction, sourceActions, availableActions);
        if (currentAction != DragHandler.NONE) {
            if (canDrop(e, currentAction, location)) {
                return currentAction;
            }
        }
    }
    return DragHandler.NONE;
}

Example 30 with DataFlavor

use of java.awt.datatransfer.DataFlavor in project languagetool by languagetool-org.

the class Main method getClipboardText.

private String getClipboardText() {
    // get text from clipboard or selection:
    Clipboard clipboard = Toolkit.getDefaultToolkit().getSystemSelection();
    if (clipboard == null) {
        // on Windows
        clipboard = Toolkit.getDefaultToolkit().getSystemClipboard();
    }
    String s;
    Transferable data = clipboard.getContents(this);
    try {
        if (data != null && data.isDataFlavorSupported(DataFlavor.getTextPlainUnicodeFlavor())) {
            DataFlavor df = DataFlavor.getTextPlainUnicodeFlavor();
            try (Reader sr = df.getReaderForText(data)) {
                s = StringTools.readerToString(sr);
            }
        } else {
            s = "";
        }
    } catch (Exception ex) {
        s = data.toString();
    }
    return s;
}