Example usage for javax.swing JComponent getTransferHandler

List of usage examples for javax.swing JComponent getTransferHandler

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Introduction

In this page you can find the example usage for javax.swing JComponent getTransferHandler.

Prototype

public TransferHandler getTransferHandler()

Source Link

Document

Gets the transferHandler property.

Usage

From source file:Main.java

public static void main(String[] argv) throws Exception {
    JLabel label = new JLabel("Label Text");

    final String propertyName = "text";
    label.setTransferHandler(new TransferHandler(propertyName));

    label.addMouseListener(new MouseAdapter() {
        public void mousePressed(MouseEvent evt) {
            JComponent comp = (JComponent) evt.getSource();
            TransferHandler th = comp.getTransferHandler();

            th.exportAsDrag(comp, evt, TransferHandler.COPY);
        }/*from  w  ww  .  j  a v  a 2s  .  c o  m*/
    });
}

From source file:DragLabel.java

public static void main(String args[]) {
    JFrame frame = new JFrame("Drag Label");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    JLabel label = new JLabel("Hello, World");
    label.setTransferHandler(new TransferHandler("foreground"));
    MouseListener listener = new MouseAdapter() {
        public void mousePressed(MouseEvent me) {
            JComponent comp = (JComponent) me.getSource();
            TransferHandler handler = comp.getTransferHandler();
            handler.exportAsDrag(comp, me, TransferHandler.COPY);
        }/*  w  ww.j  a va 2  s  .  c om*/
    };
    label.addMouseListener(listener);
    frame.add(label, BorderLayout.SOUTH);

    JTextField text = new JTextField();
    frame.add(text, BorderLayout.NORTH);

    frame.setSize(300, 150);
    frame.setVisible(true);
}

From source file:MainClass.java

public static void main(String args[]) {
    JFrame frame = new JFrame("Drag Image");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    Icon icon = new ImageIcon("image.jpg");
    JLabel label = new JLabel(icon);
    label.setTransferHandler(new ImageSelection());
    MouseListener listener = new MouseAdapter() {
        public void mousePressed(MouseEvent me) {
            JComponent comp = (JComponent) me.getSource();
            TransferHandler handler = comp.getTransferHandler();
            handler.exportAsDrag(comp, me, TransferHandler.COPY);
        }/*from  ww  w  .java  2 s . c om*/
    };
    label.addMouseListener(listener);
    frame.add(new JScrollPane(label), BorderLayout.CENTER);

    frame.setSize(300, 150);
    frame.setVisible(true);
}

From source file:ImageSelection.java

public static void main(String args[]) {
    JFrame frame = new JFrame("Drag Image");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    Icon icon = new ImageIcon("yourFile.gif");
    JLabel label = new JLabel(icon);
    label.setTransferHandler(new ImageSelection());
    MouseListener listener = new MouseAdapter() {
        public void mousePressed(MouseEvent me) {
            JComponent comp = (JComponent) me.getSource();
            TransferHandler handler = comp.getTransferHandler();
            handler.exportAsDrag(comp, me, TransferHandler.COPY);
        }//www .j ava 2  s . co  m
    };
    label.addMouseListener(listener);
    frame.add(new JScrollPane(label), BorderLayout.CENTER);

    frame.setSize(300, 150);
    frame.setVisible(true);
}

From source file:DragImage.java

public static void main(String args[]) {

    JFrame frame = new JFrame("Clip Image");
    Container contentPane = frame.getContentPane();

    final Clipboard clipboard = frame.getToolkit().getSystemClipboard();

    Icon icon = new ImageIcon("jaeger.jpg");
    final JLabel label = new JLabel(icon);
    label.setTransferHandler(new ImageSelection());

    MouseListener mouseListener = new MouseAdapter() {
        public void mousePressed(MouseEvent e) {
            JComponent comp = (JComponent) e.getSource();
            TransferHandler handler = comp.getTransferHandler();
            handler.exportAsDrag(comp, e, TransferHandler.COPY);
        }//from w w  w .ja v a  2 s. com
    };
    label.addMouseListener(mouseListener);

    JScrollPane pane = new JScrollPane(label);
    contentPane.add(pane, BorderLayout.CENTER);

    JButton copy = new JButton("Copy");
    copy.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
            TransferHandler handler = label.getTransferHandler();
            handler.exportToClipboard(label, clipboard, TransferHandler.COPY);
        }
    });

    JButton clear = new JButton("Clear");
    clear.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent actionEvent) {
            label.setIcon(null);
        }
    });
    clear.setTransferHandler(new TransferHandler("text"));
    mouseListener = new MouseAdapter() {
        public void mousePressed(MouseEvent e) {
            JComponent comp = (JComponent) e.getSource();
            TransferHandler handler = comp.getTransferHandler();
            handler.exportAsDrag(comp, e, TransferHandler.COPY);
        }
    };
    clear.addMouseListener(mouseListener);

    JButton paste = new JButton("Paste");
    paste.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent actionEvent) {
            Transferable clipData = clipboard.getContents(clipboard);
            if (clipData != null) {
                if (clipData.isDataFlavorSupported(DataFlavor.imageFlavor)) {
                    TransferHandler handler = label.getTransferHandler();
                    handler.importData(label, clipData);
                }
            }
        }
    });

    JPanel p = new JPanel();
    p.add(copy);
    p.add(clear);
    p.add(paste);
    contentPane.add(p, BorderLayout.SOUTH);

    JTextField tf = new JTextField();
    tf.setDragEnabled(true);
    contentPane.add(tf, BorderLayout.NORTH);
    frame.setSize(300, 300);
    frame.show();
}

From source file:Main.java

/**
 * Returns first parent component which supports dran and drop actions.
 *
 * @param component component to look parent supporting drop for
 * @param <T>       parent supporting drop component class type
 * @return first parent component which supports dran and drop actions
 *//*from   ww  w  . java2s  .com*/
public static <T extends JComponent> T getFirstParentSupportingDrop(final Component component) {
    final Container parent = component.getParent();
    if (parent instanceof JComponent) {
        final JComponent c = (JComponent) parent;
        if (c.getTransferHandler() != null) {
            return (T) c;
        }
    }
    return getFirstParentSupportingDrop(parent);
}

From source file:DragMouseAdapter.java

public void mousePressed(MouseEvent e) {
    JComponent c = (JComponent) e.getSource();
    TransferHandler handler = c.getTransferHandler();
    handler.exportAsDrag(c, e, TransferHandler.COPY);
}

From source file:MainClass.java

public MainClass() {
    Container cp = new Box(BoxLayout.X_AXIS);
    setContentPane(cp);/* w ww  .j  a  v a2s .  co  m*/
    JPanel firstPanel = new JPanel();
    propertyComboBox = new JComboBox();
    propertyComboBox.addItem("text");
    propertyComboBox.addItem("font");
    propertyComboBox.addItem("background");
    propertyComboBox.addItem("foreground");
    firstPanel.add(propertyComboBox);
    cp.add(firstPanel);
    cp.add(Box.createGlue());

    tf = new JTextField("Hello");
    tf.setForeground(Color.RED);
    tf.setDragEnabled(true);
    cp.add(tf);

    cp.add(Box.createGlue());

    l = new JLabel("Hello");
    l.setBackground(Color.YELLOW);
    cp.add(l);

    cp.add(Box.createGlue());

    JSlider stryder = new JSlider(SwingConstants.VERTICAL);
    stryder.setMinimum(10);
    stryder.setValue(14);
    stryder.setMaximum(72);
    stryder.setMajorTickSpacing(10);
    stryder.setPaintTicks(true);

    cp.add(stryder);
    setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    setSize(500, 300);

    setMyTransferHandlers((String) propertyComboBox.getSelectedItem());

    MouseListener myDragListener = new MouseAdapter() {
        public void mousePressed(MouseEvent e) {
            JComponent c = (JComponent) e.getSource();
            TransferHandler handler = c.getTransferHandler();
            handler.exportAsDrag(c, e, TransferHandler.COPY);
        }
    };
    l.addMouseListener(myDragListener);

    propertyComboBox.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent ce) {
            JComboBox bx = (JComboBox) ce.getSource();
            String prop = (String) bx.getSelectedItem();
            setMyTransferHandlers(prop);
        }
    });

    tf.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent evt) {
            JTextField jtf = (JTextField) evt.getSource();
            String fontName = jtf.getText();
            Font font = new Font(fontName, Font.BOLD, 18);
            tf.setFont(font);
        }
    });

    stryder.addChangeListener(new ChangeListener() {
        public void stateChanged(ChangeEvent evt) {
            JSlider sl = (JSlider) evt.getSource();
            Font oldf = tf.getFont();
            Font newf = oldf.deriveFont((float) sl.getValue());
            tf.setFont(newf);
        }
    });
}

From source file:Transfer.java

public Transfer() {

    // Establish the GUI
    Container cp = new Box(BoxLayout.X_AXIS);
    setContentPane(cp);/* w  ww  .  ja va 2s .  c om*/
    JPanel firstPanel = new JPanel();
    propertyComboBox = new JComboBox();
    propertyComboBox.addItem("text");
    propertyComboBox.addItem("font");
    propertyComboBox.addItem("background");
    propertyComboBox.addItem("foreground");
    firstPanel.add(propertyComboBox);
    cp.add(firstPanel);
    cp.add(Box.createGlue());

    tf = new JTextField("Hello");
    tf.setForeground(Color.RED);
    tf.setDragEnabled(true);
    cp.add(tf);

    cp.add(Box.createGlue());

    l = new JLabel("Hello");
    l.setBackground(Color.YELLOW);
    cp.add(l);

    cp.add(Box.createGlue());

    JSlider stryder = new JSlider(SwingConstants.VERTICAL);
    stryder.setMinimum(10);
    stryder.setValue(14);
    stryder.setMaximum(72);
    stryder.setMajorTickSpacing(10);
    stryder.setPaintTicks(true);

    cp.add(stryder);
    setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    setSize(500, 300);

    // Add Listeners and Converters
    setMyTransferHandlers((String) propertyComboBox.getSelectedItem());

    // Mousing in the Label starts a Drag.
    MouseListener myDragListener = new MouseAdapter() {
        public void mousePressed(MouseEvent e) {
            JComponent c = (JComponent) e.getSource();
            TransferHandler handler = c.getTransferHandler();
            handler.exportAsDrag(c, e, TransferHandler.COPY);
        }
    };
    l.addMouseListener(myDragListener);

    // Selecting in the ComboBox makes that the property that is xfered.
    propertyComboBox.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent ce) {
            JComboBox bx = (JComboBox) ce.getSource();
            String prop = (String) bx.getSelectedItem();
            setMyTransferHandlers(prop);
        }
    });

    // Typing a word and pressing enter in the TextField tries
    // to set that as the font name.
    tf.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent evt) {
            JTextField jtf = (JTextField) evt.getSource();
            String fontName = jtf.getText();
            Font font = new Font(fontName, Font.BOLD, 18);
            tf.setFont(font);
        }
    });

    // Setting the Slider sets that font into the textfield.
    stryder.addChangeListener(new ChangeListener() {
        public void stateChanged(ChangeEvent evt) {
            JSlider sl = (JSlider) evt.getSource();
            Font oldf = tf.getFont();
            Font newf = oldf.deriveFont((float) sl.getValue());
            tf.setFont(newf);
        }
    });

}

From source file:DragPictureDemo2.java

public void mouseDragged(MouseEvent e) {
    //Don't bother to drag if the component displays no image.
    if (image == null)
        return;/*from  ww w .j  ava  2  s. c om*/

    if (firstMouseEvent != null) {
        e.consume();

        //If they are holding down the control key, COPY rather than MOVE
        int ctrlMask = InputEvent.CTRL_DOWN_MASK;
        int action = ((e.getModifiersEx() & ctrlMask) == ctrlMask) ? TransferHandler.COPY
                : TransferHandler.MOVE;

        int dx = Math.abs(e.getX() - firstMouseEvent.getX());
        int dy = Math.abs(e.getY() - firstMouseEvent.getY());
        //Arbitrarily define a 5-pixel shift as the
        //official beginning of a drag.
        if (dx > 5 || dy > 5) {
            //This is a drag, not a click.
            JComponent c = (JComponent) e.getSource();
            TransferHandler handler = c.getTransferHandler();
            //Tell the transfer handler to initiate the drag.
            handler.exportAsDrag(c, firstMouseEvent, action);
            firstMouseEvent = null;
        }
    }
}