Example usage for javax.swing DropMode INSERT

List of usage examples for javax.swing DropMode INSERT

  1. HOME
  2. Java
  3. javax
  4. javax.swing.*
  5. DropMode
  6. INSERT

Introduction

In this page you can find the example usage for javax.swing DropMode INSERT.

Prototype

DropMode INSERT

To view the source code for javax.swing DropMode INSERT.

Click Source Link

Document

The drop location should be tracked in terms of the position where new data should be inserted.

Usage

From source file:DropModeINSERT.java

public static void main(String[] args) {
    JPanel north = new JPanel();
    north.add(new JLabel("Drag from here:"));
    JTextField field = new JTextField(10);
    field.setDragEnabled(true);//from  w  w w  . ja  v  a  2 s . c  om
    north.add(field);

    final DefaultListModel listModel = new DefaultListModel();
    listModel.addElement("first");
    listModel.addElement("second");
    final JList list = new JList(listModel);
    list.setDragEnabled(true);

    list.setTransferHandler(new TransferHandler() {
        public boolean canImport(TransferHandler.TransferSupport support) {
            if (!support.isDataFlavorSupported(DataFlavor.stringFlavor)) {
                return false;
            }
            JList.DropLocation dl = (JList.DropLocation) support.getDropLocation();
            if (dl.getIndex() == -1) {
                return false;
            } else {
                return true;
            }
        }

        public boolean importData(TransferHandler.TransferSupport support) {
            if (!canImport(support)) {
                return false;
            }

            Transferable transferable = support.getTransferable();
            String data;
            try {
                data = (String) transferable.getTransferData(DataFlavor.stringFlavor);
            } catch (Exception e) {
                return false;
            }

            JList.DropLocation dl = (JList.DropLocation) support.getDropLocation();
            int index = dl.getIndex();
            if (dl.isInsert()) {
                listModel.add(index, data);
            } else {
                listModel.set(index, data);
            }

            // Scroll to display the element that was dropped
            Rectangle r = list.getCellBounds(index, index);
            list.scrollRectToVisible(r);
            return true;
        }
    });
    JScrollPane center = new JScrollPane();
    center.setViewportView(list);

    list.setDropMode(DropMode.INSERT);
    JPanel cp = new JPanel();
    cp.setLayout(new BorderLayout());
    cp.add(north, BorderLayout.NORTH);
    cp.add(center, BorderLayout.CENTER);
    JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.setContentPane(cp);
    frame.pack();
    frame.setVisible(true);
}

From source file:DndTree.java

public static void main(String args[]) {
    JFrame f = new JFrame();
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    JPanel top = new JPanel(new BorderLayout());
    JLabel dragLabel = new JLabel("Drag me:");
    JTextField text = new JTextField();
    text.setDragEnabled(true);/*from   w w w  .j  a va  2s  .c  o  m*/
    top.add(dragLabel, BorderLayout.WEST);
    top.add(text, BorderLayout.CENTER);
    f.add(top, BorderLayout.NORTH);

    final JTree tree = new JTree();
    final DefaultTreeModel model = (DefaultTreeModel) tree.getModel();
    tree.setTransferHandler(new TransferHandler() {
        public boolean canImport(TransferHandler.TransferSupport support) {
            if (!support.isDataFlavorSupported(DataFlavor.stringFlavor) || !support.isDrop()) {
                return false;
            }
            JTree.DropLocation dropLocation = (JTree.DropLocation) support.getDropLocation();
            return dropLocation.getPath() != null;
        }

        public boolean importData(TransferHandler.TransferSupport support) {
            if (!canImport(support)) {
                return false;
            }
            JTree.DropLocation dropLocation = (JTree.DropLocation) support.getDropLocation();
            TreePath path = dropLocation.getPath();
            Transferable transferable = support.getTransferable();

            String transferData;
            try {
                transferData = (String) transferable.getTransferData(DataFlavor.stringFlavor);
            } catch (IOException e) {
                return false;
            } catch (UnsupportedFlavorException e) {
                return false;
            }

            int childIndex = dropLocation.getChildIndex();
            if (childIndex == -1) {
                childIndex = model.getChildCount(path.getLastPathComponent());
            }

            DefaultMutableTreeNode newNode = new DefaultMutableTreeNode(transferData);
            DefaultMutableTreeNode parentNode = (DefaultMutableTreeNode) path.getLastPathComponent();
            model.insertNodeInto(newNode, parentNode, childIndex);

            TreePath newPath = path.pathByAddingChild(newNode);
            tree.makeVisible(newPath);
            tree.scrollRectToVisible(tree.getPathBounds(newPath));
            return true;
        }
    });

    JScrollPane pane = new JScrollPane(tree);
    f.add(pane, BorderLayout.CENTER);

    tree.setDropMode(DropMode.INSERT);
    f.setSize(300, 400);
    f.setVisible(true);
}

From source file:DragDropList.java

public DragDropList() {
    super(new DefaultListModel());
    model = (DefaultListModel) getModel();
    setDragEnabled(true);/*  www  .j  a v a2 s  .c  o m*/
    setDropMode(DropMode.INSERT);

    setTransferHandler(new MyListDropHandler(this));

    new MyDragListener(this);

    model.addElement("a");
    model.addElement("b");
    model.addElement("c");
}

From source file:ListDrop.java

public ListDrop() {
    JFrame f = new JFrame();
    JList list = new JList(model);
    list.setDropMode(DropMode.INSERT);
    list.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
    list.setTransferHandler(new ListHandler());

    field.setDragEnabled(true);/*from  ww w .ja  va 2s . c o  m*/
    f.setLayout(new FlowLayout());
    f.add(new JScrollPane(list));
    f.add(field);
    f.pack();
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    f.setVisible(true);
}

From source file:Main.java

public Main() {

    for (int i = 0; i < 15; i++) {
        ((DefaultListModel<String>) sourceList.getModel()).add(i, "A " + i);
        ((DefaultListModel<String>) destList.getModel()).add(i, "B " + i);
    }//from www .  j a  v  a  2  s . co  m
    Box nameBox = Box.createHorizontalBox();
    nameBox.add(new JLabel("New:"));
    nameBox.add(newTextField);

    Box sourceBox = Box.createVerticalBox();
    sourceBox.add(new JLabel("Source"));
    sourceBox.add(new JScrollPane(sourceList));

    Box destBox = Box.createVerticalBox();
    destBox.add(new JLabel("Destination"));
    destBox.add(new JScrollPane(destList));

    Box listBox = Box.createHorizontalBox();
    listBox.add(sourceBox);
    listBox.add(destBox);

    Box allBox = Box.createVerticalBox();
    allBox.add(nameBox);
    allBox.add(listBox);

    this.getContentPane().add(allBox, BorderLayout.CENTER);

    sourceList.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
    destList.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);

    newTextField.setDragEnabled(true);
    sourceList.setDragEnabled(true);
    destList.setDragEnabled(true);

    sourceList.setDropMode(DropMode.INSERT);
    destList.setDropMode(DropMode.INSERT);

    sourceList.setTransferHandler(new ListTransferHandler());
    destList.setTransferHandler(new ListTransferHandler());
}

From source file:dnd.ChooseDropActionDemo.java

public ChooseDropActionDemo() {
    super("ChooseDropActionDemo");

    for (int i = 15; i >= 0; i--) {
        from.add(0, "Source item " + i);
    }//w  w w  . j a  v a 2 s . com

    for (int i = 2; i >= 0; i--) {
        copy.add(0, "Target item " + i);
        move.add(0, "Target item " + i);
    }

    JPanel p = new JPanel();
    p.setLayout(new BoxLayout(p, BoxLayout.Y_AXIS));
    dragFrom = new JList(from);
    dragFrom.setTransferHandler(new FromTransferHandler());
    dragFrom.setPrototypeCellValue("List Item WWWWWW");
    dragFrom.setDragEnabled(true);
    dragFrom.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
    JLabel label = new JLabel("Drag from here:");
    label.setAlignmentX(0f);
    p.add(label);
    JScrollPane sp = new JScrollPane(dragFrom);
    sp.setAlignmentX(0f);
    p.add(sp);
    add(p, BorderLayout.WEST);

    JList moveTo = new JList(move);
    moveTo.setTransferHandler(new ToTransferHandler(TransferHandler.COPY));
    moveTo.setDropMode(DropMode.INSERT);
    JList copyTo = new JList(copy);
    copyTo.setTransferHandler(new ToTransferHandler(TransferHandler.MOVE));
    copyTo.setDropMode(DropMode.INSERT);

    p = new JPanel();
    p.setLayout(new BoxLayout(p, BoxLayout.Y_AXIS));
    label = new JLabel("Drop to COPY to here:");
    label.setAlignmentX(0f);
    p.add(label);
    sp = new JScrollPane(moveTo);
    sp.setAlignmentX(0f);
    p.add(sp);
    label = new JLabel("Drop to MOVE to here:");
    label.setAlignmentX(0f);
    p.add(label);
    sp = new JScrollPane(copyTo);
    sp.setAlignmentX(0f);
    p.add(sp);
    p.setBorder(BorderFactory.createEmptyBorder(0, 2, 0, 0));
    add(p, BorderLayout.CENTER);

    ((JPanel) getContentPane()).setBorder(BorderFactory.createEmptyBorder(2, 2, 2, 2));

    getContentPane().setPreferredSize(new Dimension(320, 315));
}

From source file:ChooseDropActionDemo.java

public ChooseDropActionDemo() {
    super("ChooseDropActionDemo");

    for (int i = 15; i >= 0; i--) {
        from.add(0, "Source item " + i);
    }/*from  w  w w . j  a  v a 2s  . c  o  m*/

    for (int i = 2; i >= 0; i--) {
        copy.add(0, "Target item " + i);
        move.add(0, "Target item " + i);
    }

    JPanel p = new JPanel();
    p.setLayout(new BoxLayout(p, BoxLayout.Y_AXIS));
    dragFrom = new JList(from);
    dragFrom.setTransferHandler(new FromTransferHandler());
    dragFrom.setPrototypeCellValue("List Item WWWWWW");
    dragFrom.setDragEnabled(true);
    dragFrom.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
    JLabel label = new JLabel("Drag from here:");
    label.setAlignmentX(0f);
    p.add(label);
    JScrollPane sp = new JScrollPane(dragFrom);
    sp.setAlignmentX(0f);
    p.add(sp);
    add(p, BorderLayout.WEST);

    JList moveTo = new JList(move);
    moveTo.setTransferHandler(new ToTransferHandler(TransferHandler.COPY));
    moveTo.setDropMode(DropMode.INSERT);
    JList copyTo = new JList(copy);
    copyTo.setTransferHandler(new ToTransferHandler(TransferHandler.MOVE));
    copyTo.setDropMode(DropMode.INSERT);

    p = new JPanel();
    p.setLayout(new BoxLayout(p, BoxLayout.Y_AXIS));
    label = new JLabel("Drop to COPY to here:");
    ;
    label.setAlignmentX(0f);
    p.add(label);
    sp = new JScrollPane(moveTo);
    sp.setAlignmentX(0f);
    p.add(sp);
    label = new JLabel("Drop to MOVE to here:");
    label.setAlignmentX(0f);
    p.add(label);
    sp = new JScrollPane(copyTo);
    sp.setAlignmentX(0f);
    p.add(sp);
    p.setBorder(BorderFactory.createEmptyBorder(0, 2, 0, 0));
    add(p, BorderLayout.CENTER);

    ((JPanel) getContentPane()).setBorder(BorderFactory.createEmptyBorder(2, 2, 2, 2));

    getContentPane().setPreferredSize(new Dimension(320, 315));
}

From source file:DropDemo.java

public void actionPerformed(ActionEvent ae) {
    Object val = dropCombo.getSelectedItem();
    if (val == "USE_SELECTION") {
        list.setDropMode(DropMode.USE_SELECTION);
    } else if (val == "ON") {
        list.setDropMode(DropMode.ON);
    } else if (val == "INSERT") {
        list.setDropMode(DropMode.INSERT);
    } else if (val == "ON_OR_INSERT") {
        list.setDropMode(DropMode.ON_OR_INSERT);
    }//from w  w  w . j  a  v a2 s.  c o m
}

From source file:au.org.ala.delta.editor.ui.ImageDetailsPanel.java

private void addEventHandlers() {

    btnDisplay.setAction(_actions.get("displayImage"));
    btnAdd.setAction(_actions.get("addImage"));
    btnDelete.setAction(_actions.get("deleteImage"));
    btnSettings.setAction(_actions.get("displayImageSettings"));
    imageList.addListSelectionListener(new ListSelectionListener() {

        @Override//from   ww  w . j av  a  2 s. c o  m
        public void valueChanged(ListSelectionEvent e) {
            _selectedImage = (Image) imageList.getSelectedValue();
            _dataSet.setSelectedImage(_selectedImage);
            updateDisplay();
        }
    });
    imageList.setSelectionAction(_actions.get("displayImage"));
    imageList.setDragEnabled(true);
    imageList.setDropMode(DropMode.INSERT);
    imageList.setTransferHandler(new ImageTransferHandler());

    playSoundButton.setAction(_actions.get("playSound"));
    deleteSoundButton.setAction(_actions.get("deleteSound"));
    insertSoundButton.setAction(_actions.get("addSound"));
    FocusAdapter focusAdaptor = new FocusAdapter() {

        @Override
        public void focusLost(FocusEvent e) {
            if (e.getComponent() == subjectTextPane) {
                updateSubjectText();
            } else if (e.getComponent() == developerNotesTextPane) {
                updateDeveloperNotes();
            }
        }

    };
    soundComboBox.addActionListener(new ActionListener() {
        @Override
        public void actionPerformed(ActionEvent e) {
            updateSoundActions();
        }
    });
    subjectTextPane.addFocusListener(focusAdaptor);
    developerNotesTextPane.addFocusListener(focusAdaptor);
}

From source file:ListCutPaste.java

public ListCutPaste() {
    super(new BorderLayout());
    lh = new ListTransferHandler();

    JPanel panel = new JPanel(new GridLayout(1, 3));
    DefaultListModel list1Model = new DefaultListModel();
    list1Model.addElement("alpha");
    list1Model.addElement("beta");
    list1Model.addElement("gamma");
    list1Model.addElement("delta");
    list1Model.addElement("epsilon");
    list1Model.addElement("zeta");
    JList list1 = new JList(list1Model);
    list1.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
    JScrollPane sp1 = new JScrollPane(list1);
    sp1.setPreferredSize(new Dimension(400, 100));
    list1.setDragEnabled(true);/* www  .  j  a  v  a 2 s . c  o  m*/
    list1.setTransferHandler(lh);
    list1.setDropMode(DropMode.ON_OR_INSERT);
    setMappings(list1);
    JPanel pan1 = new JPanel(new BorderLayout());
    pan1.add(sp1, BorderLayout.CENTER);
    pan1.setBorder(BorderFactory.createTitledBorder("Greek Alphabet"));
    panel.add(pan1);

    DefaultListModel list2Model = new DefaultListModel();
    list2Model.addElement("uma");
    list2Model.addElement("dois");
    list2Model.addElement("tres");
    list2Model.addElement("quatro");
    list2Model.addElement("cinco");
    list2Model.addElement("seis");
    JList list2 = new JList(list2Model);
    list2.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
    list2.setDragEnabled(true);
    JScrollPane sp2 = new JScrollPane(list2);
    sp2.setPreferredSize(new Dimension(400, 100));
    list2.setTransferHandler(lh);
    list2.setDropMode(DropMode.INSERT);
    setMappings(list2);
    JPanel pan2 = new JPanel(new BorderLayout());
    pan2.add(sp2, BorderLayout.CENTER);
    pan2.setBorder(BorderFactory.createTitledBorder("Portuguese Numbers"));
    panel.add(pan2);

    DefaultListModel list3Model = new DefaultListModel();
    list3Model.addElement("adeen");
    list3Model.addElement("dva");
    list3Model.addElement("tri");
    list3Model.addElement("chyetirye");
    list3Model.addElement("pyat");
    list3Model.addElement("shest");
    JList list3 = new JList(list3Model);
    list3.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
    list3.setDragEnabled(true);
    JScrollPane sp3 = new JScrollPane(list3);
    sp3.setPreferredSize(new Dimension(400, 100));
    list3.setTransferHandler(lh);
    list3.setDropMode(DropMode.ON);
    setMappings(list3);
    JPanel pan3 = new JPanel(new BorderLayout());
    pan3.add(sp3, BorderLayout.CENTER);
    pan3.setBorder(BorderFactory.createTitledBorder("Russian Numbers"));
    panel.add(pan3);

    setPreferredSize(new Dimension(500, 200));
    add(panel, BorderLayout.CENTER);
}