Example usage for java.awt.datatransfer Transferable getTransferDataFlavors

Introduction

In this page you can find the example usage for java.awt.datatransfer Transferable getTransferDataFlavors.

Prototype

public DataFlavor[] getTransferDataFlavors();

Source Link

Document

Returns an array of DataFlavor objects indicating the flavors the data can be provided in.

Usage

From source file:org.feistymeow.dragdrop.ListTransferable.java

/**
 * checks if the transferable is appropriate to try to use as a java Reader.
 *//*  w  w w  .ja v  a2  s  . co m*/
public static boolean checkReaderFlavor(Transferable tran) {
    if (tran == null)
        return false;
    DataFlavor[] flavors = tran.getTransferDataFlavors();
    for (int i = 0; i < flavors.length; i++) {
        if (flavors[i].isRepresentationClassReader())
            return true;
    }
    return false;
}

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From source file:org.feistymeow.dragdrop.ListTransferable.java

/**
 * Use a Reader to handle an incoming transferable.
 *///from  w  w  w .  ja v  a2s.c  o  m
public static List<Object> processReaderFlavor(Transferable tran) {
    if (tran == null)
        return null;
    logger.debug("trying URI list flavor.");
    DataFlavor[] flavors = tran.getTransferDataFlavors();
    for (int i = 0; i < flavors.length; i++) {
        if (flavors[i].isRepresentationClassReader()) {
            // it looks like we can work with this flavor just fine.
            logger.debug("found a reader flavor.");
            try {
                Reader reader = flavors[i].getReaderForText(tran);
                BufferedReader br = new BufferedReader(reader);
                return createFileArray(br);
            } catch (Throwable cause) {
                logger.debug("failed to scan reader for file list.");
            }
        }
    }
    return new ArrayList<Object>();
}

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From source file:org.fife.ui.rtextarea.RTATextTransferHandler.java

/**
 * This method causes a transfer to a component from a clipboard or a 
 * DND drop operation.  The Transferable represents the data to be
 * imported into the component.  //from ww  w .j  a  va  2  s  .c o  m
 *
 * @param comp  The component to receive the transfer.  This
 *  argument is provided to enable sharing of TransferHandlers by
 *  multiple components.
 * @param t The data to import
 * @return <code>true</code> iff the data was inserted into the component.
 */
@Override
public boolean importData(JComponent comp, Transferable t) {

    JTextComponent c = (JTextComponent) comp;
    withinSameComponent = c == exportComp;

    // if we are importing to the same component that we exported from
    // then don't actually do anything if the drop location is inside
    // the drag location and set shouldRemove to false so that exportDone
    // knows not to remove any data
    if (withinSameComponent && c.getCaretPosition() >= p0 && c.getCaretPosition() <= p1) {
        shouldRemove = false;
        return true;
    }

    boolean imported = false;
    DataFlavor importFlavor = getImportFlavor(t.getTransferDataFlavors(), c);
    if (importFlavor != null) {
        try {
            InputContext ic = c.getInputContext();
            if (ic != null)
                ic.endComposition();
            Reader r = importFlavor.getReaderForText(t);
            handleReaderImport(r, c);
            imported = true;
        } catch (UnsupportedFlavorException ufe) {
            ufe.printStackTrace();
        } catch (BadLocationException ble) {
            ble.printStackTrace();
        } catch (IOException ioe) {
            ioe.printStackTrace();
        }
    }

    return imported;

}

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From source file:org.gtdfree.GTDFree.java

protected TrayIcon getTrayIcon() {
    if (trayIcon == null) {
        if (ApplicationHelper.isGTKLaF()) {
            trayIcon = new TrayIcon(ApplicationHelper.loadImage(ApplicationHelper.icon_name_large_tray_splash));
        } else {/*w  w w.  jav  a2 s.c  om*/
            trayIcon = new TrayIcon(ApplicationHelper.loadImage(ApplicationHelper.icon_name_small_tray_splash));
        }

        trayIcon.setImageAutoSize(true);
        trayIcon.addMouseListener(new MouseAdapter() {

            @Override
            public void mouseClicked(MouseEvent e) {
                if (e.getButton() == MouseEvent.BUTTON1) {
                    trayIconPopup.setVisible(false);
                    if (getJFrame().isVisible()) {
                        getJFrame().setVisible(false);
                    } else {
                        pushVisible();
                    }
                } else {
                    if (trayIconPopup.isVisible()) {
                        trayIconPopup.setVisible(false);
                    } else {
                        Point p = new Point(e.getPoint());
                        /*
                         * Disabled, because we are anyway doing things like rollover,
                         * which are probably done by Frame.
                        if (getJFrame().isShowing()) {
                           SwingUtilities.convertPointFromScreen(p, getJFrame());
                           trayIconPopup.show(getJFrame(), p.x, p.y);
                        } else {
                        }*/
                        trayIconPopup.show(null, p.x, p.y);
                    }
                }
            }
        });
        trayIcon.setToolTip("GTD-Free - " + Messages.getString("GTDFree.Tray.desc")); //$NON-NLS-1$ //$NON-NLS-2$

        /*
         * Necessary only when popup is showing with null window. Hides popup.
         */
        MouseListener hideMe = new MouseAdapter() {
            @Override
            public void mouseExited(MouseEvent e) {
                if (e.getComponent() instanceof JMenuItem) {
                    JMenuItem jm = (JMenuItem) e.getComponent();
                    jm.getModel().setRollover(false);
                    jm.getModel().setArmed(false);
                    jm.repaint();
                }

                Point p = SwingUtilities.convertPoint(e.getComponent(), e.getPoint(), trayIconPopup);
                //System.out.println(p.x+" "+p.y+" "+trayIconPopup.getWidth()+" "+trayIconPopup.getHeight());
                if (p.x < 0 || p.x >= trayIconPopup.getWidth() || p.y < 0 || p.y >= trayIconPopup.getHeight()) {
                    trayIconPopup.setVisible(false);
                }
            }

            @Override
            public void mouseEntered(MouseEvent e) {
                if (e.getComponent() instanceof JMenuItem) {
                    JMenuItem jm = (JMenuItem) e.getComponent();
                    jm.getModel().setRollover(true);
                    jm.getModel().setArmed(true);
                    jm.repaint();
                }
            }
        };

        trayIconPopup = new JPopupMenu();
        trayIconPopup.addMouseListener(hideMe);

        JMenuItem mi = new JMenuItem(Messages.getString("GTDFree.Tray.Drop")); //$NON-NLS-1$
        mi.setIcon(ApplicationHelper.getIcon(ApplicationHelper.icon_name_small_collecting));
        mi.setToolTipText(Messages.getString("GTDFree.Tray.Drop.desc")); //$NON-NLS-1$
        mi.addMouseListener(hideMe);

        /*
         * Workaround for tray, if JFrame is showing, then mouse click is not fired
         */
        mi.addMouseListener(new MouseAdapter() {
            private boolean click = false;

            @Override
            public void mousePressed(MouseEvent e) {
                click = true;
            }

            @Override
            public void mouseReleased(MouseEvent e) {
                if (click) {
                    click = false;
                    doMouseClicked(e);
                }
            }

            @Override
            public void mouseExited(MouseEvent e) {
                click = false;
            }

            private void doMouseClicked(MouseEvent e) {
                trayIconPopup.setVisible(false);
                Clipboard c = null;
                if (e.getButton() == MouseEvent.BUTTON1) {
                    c = Toolkit.getDefaultToolkit().getSystemClipboard();
                } else if (e.getButton() == MouseEvent.BUTTON2) {
                    c = Toolkit.getDefaultToolkit().getSystemSelection();
                } else {
                    return;
                }
                try {
                    Object o = c.getData(DataFlavor.stringFlavor);
                    if (o != null) {
                        getEngine().getGTDModel().collectAction(o.toString());
                    }
                    flashMessage(Messages.getString("GTDFree.Tray.Collect.ok"), e.getLocationOnScreen()); //$NON-NLS-1$
                } catch (Exception e1) {
                    Logger.getLogger(this.getClass()).debug("Internal error.", e1); //$NON-NLS-1$
                    flashMessage(Messages.getString("GTDFree.Tray.Collect.fail") + e1.getMessage(), //$NON-NLS-1$
                            e.getLocationOnScreen());
                }
            }
        });

        TransferHandler th = new TransferHandler() {
            private static final long serialVersionUID = 1L;

            @Override
            public boolean canImport(JComponent comp, DataFlavor[] transferFlavors) {
                return DataFlavor.selectBestTextFlavor(transferFlavors) != null;
            }

            @Override
            public boolean importData(JComponent comp, Transferable t) {
                try {
                    DataFlavor f = DataFlavor.selectBestTextFlavor(t.getTransferDataFlavors());
                    Object o = t.getTransferData(f);
                    if (o != null) {
                        getEngine().getGTDModel().collectAction(o.toString());
                    }
                    return true;
                } catch (UnsupportedFlavorException e) {
                    Logger.getLogger(this.getClass()).debug("Internal error.", e); //$NON-NLS-1$
                } catch (IOException e) {
                    Logger.getLogger(this.getClass()).debug("Internal error.", e); //$NON-NLS-1$
                }
                return false;
            }

        };
        mi.setTransferHandler(th);

        trayIconPopup.add(mi);

        mi = new JMenuItem();
        mi.setIcon(ApplicationHelper.getIcon(ApplicationHelper.icon_name_large_delete));
        mi.setText(Messages.getString("GTDFree.Tray.Hide")); //$NON-NLS-1$
        mi.setToolTipText(Messages.getString("GTDFree.Tray.Hide.desc")); //$NON-NLS-1$
        mi.addMouseListener(hideMe);
        mi.addActionListener(new ActionListener() {

            @Override
            public void actionPerformed(ActionEvent e) {
                trayIconPopup.setVisible(false);
                if (getJFrame().isVisible()) {
                    getJFrame().setVisible(false);
                }
            }
        });
        trayIconPopup.add(mi);

        mi = new JMenuItem();
        mi.setIcon(ApplicationHelper.getIcon(ApplicationHelper.icon_name_small_splash));
        mi.setText(Messages.getString("GTDFree.Tray.Show")); //$NON-NLS-1$
        mi.setToolTipText(Messages.getString("GTDFree.Tray.Show.desc")); //$NON-NLS-1$
        mi.addMouseListener(hideMe);
        mi.addActionListener(new ActionListener() {

            @Override
            public void actionPerformed(ActionEvent e) {
                trayIconPopup.setVisible(false);
                pushVisible();
            }
        });
        trayIconPopup.add(mi);

        mi = new JMenuItem();
        mi.setIcon(ApplicationHelper.getIcon(ApplicationHelper.icon_name_large_exit));
        mi.setText(Messages.getString("GTDFree.Tray.Exit")); //$NON-NLS-1$
        mi.addMouseListener(hideMe);
        mi.addActionListener(new ActionListener() {

            @Override
            public void actionPerformed(ActionEvent e) {
                trayIconPopup.setVisible(false);
                close(false);
            }
        });
        trayIconPopup.add(mi);

    }
    return trayIcon;
}

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From source file:org.jas.dnd.DraggedObjectPictureGenerator.java

@Override
public DraggedObject get(Transferable transferable) {
    DataFlavor[] flavors = transferable.getTransferDataFlavors();
    if (flavors == null) {
        return null;
    }//w  w w . j  a  va2s  . c  om
    for (DataFlavor flavor : flavors) {
        List<File> files = null;
        files = tryGetFile(transferable, flavor);
        if (files != null && files.size() == 1 && !files.get(0).isDirectory()) {
            try {
                Object draggedObject = new Picture(files.get(0));
                return new SimpleDraggedObject(draggedObject);
            } catch (Exception e) {
                LOG.error(e, e);
            }
        }
    }
    return new SimpleDraggedObject(null);
}

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From source file:org.kuali.test.ui.dnd.RepositoryDropTargetAdapter.java

@Override
public void drop(DropTargetDropEvent dtde) {
    boolean success = false;
    try {//from  www .j  av a 2  s  . com
        if (canDrop(dtde)) {
            Transferable t = dtde.getTransferable();
            Object data = t.getTransferData(t.getTransferDataFlavors()[0]);
            DefaultMutableTreeNode dropNode = getNodeAtPoint(dtde.getLocation());
            if ((dropNode != null) && (data != null) && (data instanceof RepositoryTransferData)) {
                repositoryTree.handleDataDrop(t.getTransferDataFlavors()[0], (RepositoryTransferData) data,
                        dropNode);
                success = true;
                dtde.dropComplete(true);
            }
        }
    }

    catch (Exception e) {
        LOG.error(e.toString(), e);
    }

    if (!success) {
        dtde.rejectDrop();
    }
}

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From source file:org.wings.STransferHandler.java

/**
 * Imports the data specified in the Transferable into the given component
 * @param component/*from w  w  w.  j a v a 2  s .  c o  m*/
 * @param transferable
 * @return
 */
public boolean importData(SComponent component, Transferable transferable) {
    PropertyDescriptor propertyDecsriptor = getPropertyDescriptor(this.propertyName, component);
    if (propertyDecsriptor == null)
        return false;
    Method writeMethod = propertyDecsriptor.getWriteMethod();
    if (writeMethod == null)
        return false;
    Class<?>[] arguments = writeMethod.getParameterTypes();
    if (arguments == null || arguments.length != 1) {
        return false;
    }

    DataFlavor flavor = getPropertyDataFlavor(arguments[0], transferable.getTransferDataFlavors());
    if (flavor != null) {
        try {
            Object value = transferable.getTransferData(flavor);

            STransferHandler.invoke(writeMethod, component, new Object[] { value });
            return true;
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
    return false;
}

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From source file:tk.tomby.tedit.core.Workspace.java

/**
 * Creates a new WorkSpace object./*from  w w  w. ja  va  2 s .com*/
 */
public Workspace() {
    super();

    setLayout(new BorderLayout());
    setBorder(BorderFactory.createEmptyBorder(5, 5, 5, 5));

    MessageManager.addMessageListener(MessageManager.BUFFER_GROUP_NAME, new IMessageListener<BufferMessage>() {
        public void receiveMessage(BufferMessage message) {
            Workspace.this.receiveMessage(message);
        }
    });

    MessageManager.addMessageListener(MessageManager.PREFERENCE_GROUP_NAME,
            new IMessageListener<PreferenceMessage>() {
                public void receiveMessage(PreferenceMessage message) {
                    Workspace.this.receiveMessage(message);
                }
            });

    bufferPane = new JTabbedPane();
    bufferPane.setMinimumSize(new Dimension(600, 400));
    bufferPane.setPreferredSize(new Dimension(800, 600));
    bufferPane.setTabLayoutPolicy(JTabbedPane.SCROLL_TAB_LAYOUT);

    bottomPort = createDockingPort(0, 80);
    rightPort = createDockingPort(80, 0);
    leftPort = createDockingPort(80, 0);

    splitPaneRight = createSplitPane(JSplitPane.HORIZONTAL_SPLIT, bufferPane, rightPort);
    splitPaneLeft = createSplitPane(JSplitPane.HORIZONTAL_SPLIT, leftPort, splitPaneRight);
    splitPaneBottom = createSplitPane(JSplitPane.VERTICAL_SPLIT, splitPaneLeft, bottomPort);

    bufferPane.addChangeListener(new ChangeListener() {
        public void stateChanged(ChangeEvent evt) {
            MessageManager
                    .sendMessage(new WorkspaceMessage(evt.getSource(), bufferPane.getSelectedComponent()));
        }
    });

    bufferPane.addMouseListener(new MouseAdapter() {
        public void mouseClicked(MouseEvent evt) {
            if (evt.getClickCount() == 2) {
                splitPaneLeft.setDividerLocation(0.0d);
                splitPaneBottom.setDividerLocation(1.0d);
                splitPaneRight.setDividerLocation(1.0d);
            }
        }
    });

    DropTarget dropTarget = new DropTarget(bufferPane, new DropTargetAdapter() {
        public void drop(DropTargetDropEvent dtde) {
            if (log.isDebugEnabled()) {
                log.debug("drop start");
            }

            try {
                if (log.isDebugEnabled()) {
                    log.debug(dtde.getSource());
                }

                Transferable tr = dtde.getTransferable();
                DataFlavor[] flavors = tr.getTransferDataFlavors();

                for (int i = 0; i < flavors.length; i++) {
                    DataFlavor flavor = flavors[i];

                    if (log.isDebugEnabled()) {
                        log.debug("mime-type:" + flavor.getMimeType());
                    }

                    if (flavor.isMimeTypeEqual("text/plain")) {
                        final Object obj = tr.getTransferData(flavor);

                        if (log.isDebugEnabled()) {
                            log.debug(obj);
                        }

                        if (obj instanceof String) {
                            TaskManager.execute(new Runnable() {
                                public void run() {
                                    BufferFactory factory = new BufferFactory();
                                    IBuffer buffer = factory.createBuffer();
                                    buffer.open((String) obj);

                                    addBuffer(buffer);
                                }
                            });
                        }

                        dtde.dropComplete(true);

                        return;
                    }
                }
            } catch (UnsupportedFlavorException e) {
                log.warn(e.getMessage(), e);
            } catch (IOException e) {
                log.warn(e.getMessage(), e);
            }

            dtde.rejectDrop();

            if (log.isDebugEnabled()) {
                log.debug("drop end");
            }
        }
    });

    bufferPane.setDropTarget(dropTarget);

    this.add(BorderLayout.CENTER, splitPaneBottom);
}

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From source file:zsk.JFCMainClient.java

/**
 * processing event of dropping a HTTP URL, YT-Video Image or plain text (URL) onto the frame
 * /*from  w  ww  . j  a  v a2  s. c o m*/
 * seems not to work with M$-IE (8,9) - what a pity!
 */
public void drop(DropTargetDropEvent dtde) {
    Transferable tr = dtde.getTransferable();
    DataFlavor[] flavors = tr.getTransferDataFlavors();
    DataFlavor fl = null;
    String str = "";

    debugoutput("DataFlavors found: ".concat(Integer.toString(flavors.length)));
    for (int i = 0; i < flavors.length; i++) {
        fl = flavors[i];
        if (fl.isFlavorTextType() /* || fl.isMimeTypeEqual("text/html") || fl.isMimeTypeEqual("application/x-java-url") || fl.isMimeTypeEqual("text/uri-list")*/) {
            try {
                dtde.acceptDrop(dtde.getDropAction());
            } catch (Throwable t) {
            }
            try {
                if (tr.getTransferData(fl) instanceof InputStreamReader) {
                    debugoutput("Text-InputStream");
                    BufferedReader textreader = new BufferedReader((Reader) tr.getTransferData(fl));
                    String sline = "";
                    try {
                        while (sline != null) {
                            sline = textreader.readLine();
                            if (sline != null)
                                str += sline;
                        }
                    } catch (Exception e) {
                    } finally {
                        textreader.close();
                    }
                    str = str.replaceAll("<[^>]*>", ""); // remove HTML tags, especially a hrefs - ignore HTML characters like &szlig; (which are no tags)
                } else if (tr.getTransferData(fl) instanceof InputStream) {
                    debugoutput("Byte-InputStream");
                    InputStream input = new BufferedInputStream((InputStream) tr.getTransferData(fl));
                    int idata = input.read();
                    String sresult = "";
                    while (idata != -1) {
                        if (idata != 0)
                            sresult += new Character((char) idata).toString();
                        idata = input.read();
                    } // while
                    debugoutput("sresult: ".concat(sresult));
                } else {
                    str = tr.getTransferData(fl).toString();
                }
            } catch (IOException ioe) {
            } catch (UnsupportedFlavorException ufe) {
            }

            debugoutput("drop event text: ".concat(str).concat(" (").concat(fl.getMimeType()).concat(") "));
            // insert text into textfield - almost the same as user drops text/url into this field
            // except special characaters -> from http://de.wikipedia.org/wiki/GNU-Projekt (GNU is not Unix)(&bdquo;GNU is not Unix&ldquo;)
            // two drops from same source .. one time in textfield and elsewhere - maybe we change that later?!
            if (str.matches(szYTREGEX.concat("(.*)"))) {
                synchronized (JFCMainClient.frame.textinputfield) {
                    JFCMainClient.frame.textinputfield
                            .setText(str.concat(JFCMainClient.frame.textinputfield.getText()));
                }
                debugoutput("breaking for-loop with str: ".concat(str));
                break;
            }
        } else {
            String sv = "drop event unknown type: ".concat(fl.getHumanPresentableName());
            //output(sv);
            debugoutput(sv);
        }
    } // for

    dtde.dropComplete(true);
}

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