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

Example 1 with Transferable

use of java.awt.datatransfer.Transferable in project Openfire by igniterealtime.

the class DroppableFrame method drop.

@Override
public void drop(DropTargetDropEvent dropTargetDropEvent) {
    try {
        Transferable transferable = dropTargetDropEvent.getTransferable();
        if (transferable.isDataFlavorSupported(DataFlavor.javaFileListFlavor)) {
            dropTargetDropEvent.acceptDrop(DnDConstants.ACTION_COPY_OR_MOVE);
            List fileList = (List) transferable.getTransferData(DataFlavor.javaFileListFlavor);
            Iterator iterator = fileList.iterator();
            while (iterator.hasNext()) {
                File file = (File) iterator.next();
                if (file.isFile()) {
                    fileDropped(file);
                }
                if (file.isDirectory()) {
                    directoryDropped(file);
                }
            }
            dropTargetDropEvent.getDropTargetContext().dropComplete(true);
        } else {
            dropTargetDropEvent.rejectDrop();
        }
    } catch (IOException | UnsupportedFlavorException io) {
        io.printStackTrace();
        dropTargetDropEvent.rejectDrop();
    }
}

Example 2 with Transferable

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

the class AlphaMaskDemo2 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);
    icon = new JLabel();
    icon.setCursor(Cursor.getPredefinedCursor(Cursor.HAND_CURSOR));
    alphaWindow.getContentPane().add(icon);
    JButton quit = new JButton("Quit");
    JLabel label = new JLabel("Drag this window by its image");
    label.setHorizontalAlignment(SwingConstants.CENTER);
    alphaWindow.getContentPane().add(label, BorderLayout.NORTH);
    alphaWindow.getContentPane().add(quit, BorderLayout.SOUTH);
    quit.addActionListener(new ActionListener() {

        public void actionPerformed(ActionEvent e) {
            System.exit(0);
        }
    });
    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;
        }

        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.err.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.err.println("Can't parse text: " + html);
                    return false;
                }
                System.err.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);
    p.setCursor(Cursor.getPredefinedCursor(Cursor.HAND_CURSOR));
    final JSlider slider = new JSlider(0, 255, 255);
    slider.addChangeListener(new ChangeListener() {

        public void stateChanged(ChangeEvent e) {
            int value = slider.getValue();
            WindowUtils.setWindowAlpha(alphaWindow, value / 255f);
        }
    });
    p.add(slider, BorderLayout.SOUTH);
    frame.getContentPane().add(p);
    frame.pack();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    centerOnScreen(frame);
    frame.setVisible(true);
    WindowUtils.setWindowTransparent(alphaWindow, true);
    alphaWindow.setLocation(frame.getX() + frame.getWidth() + 4, frame.getY());
    try {
        URL url = getClass().getResource("tardis.png");
        if (url != null) {
            setImage(Toolkit.getDefaultToolkit().getImage(url));
        }
    } catch (Exception e) {
    }
}

Example 3 with Transferable

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

the class DragHandler method dragGestureRecognized.

/** Called when a user drag gesture is recognized.  This method is 
     * responsible for initiating the drag operation.
     * @param e event
     */
public void dragGestureRecognized(DragGestureEvent e) {
    if ((e.getDragAction() & supportedActions) != 0 && canDrag(e)) {
        setModifiers(e.getTriggerEvent().getModifiersEx() & KEY_MASK);
        Transferable transferable = getTransferable(e);
        if (transferable == null)
            return;
        try {
            Point srcOffset = new Point(0, 0);
            Icon icon = getDragIcon(e, srcOffset);
            Point origin = e.getDragOrigin();
            // offset of the image origin from the cursor
            imageOffset = new Point(srcOffset.x - origin.x, srcOffset.y - origin.y);
            Icon dragIcon = scaleDragIcon(icon, imageOffset);
            Cursor cursor = null;
            if (dragIcon != null && DragSource.isDragImageSupported()) {
                GraphicsConfiguration gc = e.getComponent().getGraphicsConfiguration();
                e.startDrag(cursor, createDragImage(gc, dragIcon), imageOffset, transferable, this);
            } else {
                if (dragIcon != null) {
                    Point screen = dragSource.getLocationOnScreen();
                    screen.translate(origin.x, origin.y);
                    Point cursorOffset = new Point(-imageOffset.x, -imageOffset.y);
                    ghost = new GhostedDragImage(dragSource, dragIcon, getImageLocation(screen), cursorOffset);
                    ghost.setAlpha(ghostAlpha);
                }
                e.startDrag(cursor, transferable, this);
            }
            dragStarted(e);
            moved = false;
            e.getDragSource().addDragSourceMotionListener(this);
            DragHandler.transferable = transferable;
        } catch (InvalidDnDOperationException ex) {
            if (ghost != null) {
                ghost.dispose();
                ghost = null;
            }
        }
    }
}

Example 4 with Transferable

use of java.awt.datatransfer.Transferable in project javatari by ppeccin.

the class Monitor method loadCartridgePaste.

private void loadCartridgePaste() {
    if (cartridgeChangeDisabledWarning())
        return;
    try {
        Clipboard clip = Toolkit.getDefaultToolkit().getSystemClipboard();
        Transferable transf = clip.getContents("Ignored");
        if (transf == null)
            return;
        Cartridge cart = ROMTransferHandlerUtil.importCartridgeData(transf);
        if (cart != null)
            cartridgeInsert(cart, true);
    } catch (Exception ex) {
    // Simply give up
    }
}

Example 5 with Transferable

use of java.awt.datatransfer.Transferable in project gephi by gephi.

the class JHTMLEditorPane method updatePopupMenu.

protected void updatePopupMenu() {
    // Cut
    itemCut.setEnabled(isEditable() && (getSelectedText() != null));
    // Copy
    itemCopy.setEnabled(getSelectedText() != null);
    // Paste
    try {
        Transferable clipboardContent = Toolkit.getDefaultToolkit().getSystemClipboard().getContents(this);
        itemPaste.setEnabled(isEditable() && (clipboardContent != null) && clipboardContent.isDataFlavorSupported(DataFlavor.stringFlavor));
    } catch (Exception e) {
        itemPaste.setEnabled(false);
    }
    // Delete
    if (isEditable()) {
        itemDelete.setVisible(true);
        itemDelete.setEnabled(getSelectedText() != null);
    } else {
        itemDelete.setVisible(false);
    }
// Select All
// always visible and enabled...
}