List of usage examples for javax.swing JSplitPane setOneTouchExpandable
@BeanProperty(description = "UI widget on the divider to quickly expand/collapse the divider.") public void setOneTouchExpandable(boolean newValue)
oneTouchExpandable property, which must be true for the JSplitPane to provide a UI widget on the divider to quickly expand/collapse the divider. From source file:SplitPaneTest.java
public SplitPaneFrame() { setTitle("SplitPaneTest"); setSize(DEFAULT_WIDTH, DEFAULT_HEIGHT); // set up components for planet names, images, descriptions final JList planetList = new JList(planets); final JLabel planetImage = new JLabel(); final JTextArea planetDescription = new JTextArea(); planetList.addListSelectionListener(new ListSelectionListener() { public void valueChanged(ListSelectionEvent event) { Planet value = (Planet) planetList.getSelectedValue(); // update image and description planetImage.setIcon(value.getImage()); planetDescription.setText(value.getDescription()); }/*from w w w . j a v a 2 s .com*/ }); // set up split panes JSplitPane innerPane = new JSplitPane(JSplitPane.HORIZONTAL_SPLIT, planetList, planetImage); innerPane.setContinuousLayout(true); innerPane.setOneTouchExpandable(true); JSplitPane outerPane = new JSplitPane(JSplitPane.VERTICAL_SPLIT, innerPane, planetDescription); add(outerPane, BorderLayout.CENTER); }
From source file:SplitPaneDemo2.java
public SplitPaneDemo2() { super("SplitPaneDemo2"); //Create an instance of SplitPaneDemo SplitPaneDemo splitPaneDemo = new SplitPaneDemo(); JSplitPane top = splitPaneDemo.getSplitPane(); splitPaneDemo.getImageList().addListSelectionListener(this); //XXXX: Bug #4131528, borders on nested split panes accumulate. //Workaround: Set the border on any split pane within //another split pane to null. Components within nested split //panes need to have their own border for this to work well. top.setBorder(null);//from ww w .j a va 2s . c o m //Create a regular old label label = new JLabel("Click on an image name in the list.", JLabel.CENTER); //Create a split pane and put "top" (a split pane) //and JLabel instance in it. JSplitPane splitPane = new JSplitPane(JSplitPane.VERTICAL_SPLIT, top, label); splitPane.setOneTouchExpandable(true); splitPane.setDividerLocation(180); //Provide minimum sizes for the two components in the split pane top.setMinimumSize(new Dimension(100, 50)); label.setMinimumSize(new Dimension(100, 30)); //Add the split pane to this frame getContentPane().add(splitPane); }
From source file:BasicDnD.java
public BasicDnD() { super(new BorderLayout()); JPanel leftPanel = createVerticalBoxPanel(); JPanel rightPanel = createVerticalBoxPanel(); //Create a table model. DefaultTableModel tm = new DefaultTableModel(); tm.addColumn("Column 0"); tm.addColumn("Column 1"); tm.addColumn("Column 2"); tm.addColumn("Column 3"); tm.addRow(new String[] { "Table 00", "Table 01", "Table 02", "Table 03" }); tm.addRow(new String[] { "Table 10", "Table 11", "Table 12", "Table 13" }); tm.addRow(new String[] { "Table 20", "Table 21", "Table 22", "Table 23" }); tm.addRow(new String[] { "Table 30", "Table 31", "Table 32", "Table 33" }); //LEFT COLUMN //Use the table model to create a table. table = new JTable(tm); leftPanel.add(createPanelForComponent(table, "JTable")); //Create a color chooser. colorChooser = new JColorChooser(); leftPanel.add(createPanelForComponent(colorChooser, "JColorChooser")); //RIGHT COLUMN //Create a textfield. textField = new JTextField(30); textField.setText("Favorite foods:\nPizza, Moussaka, Pot roast"); rightPanel.add(createPanelForComponent(textField, "JTextField")); //Create a scrolled text area. textArea = new JTextArea(5, 30); textArea.setText("Favorite shows:\nBuffy, Alias, Angel"); JScrollPane scrollPane = new JScrollPane(textArea); rightPanel.add(createPanelForComponent(scrollPane, "JTextArea")); //Create a list model and a list. DefaultListModel listModel = new DefaultListModel(); listModel.addElement("Martha Washington"); listModel.addElement("Abigail Adams"); listModel.addElement("Martha Randolph"); listModel.addElement("Dolley Madison"); listModel.addElement("Elizabeth Monroe"); listModel.addElement("Louisa Adams"); listModel.addElement("Emily Donelson"); list = new JList(listModel); list.setSelectionMode(ListSelectionModel.SINGLE_INTERVAL_SELECTION); JScrollPane listView = new JScrollPane(list); listView.setPreferredSize(new Dimension(300, 100)); rightPanel.add(createPanelForComponent(listView, "JList")); //Create a tree. DefaultMutableTreeNode rootNode = new DefaultMutableTreeNode("Mia Familia"); DefaultMutableTreeNode sharon = new DefaultMutableTreeNode("Sharon"); rootNode.add(sharon);/*from w ww. jav a 2 s . com*/ DefaultMutableTreeNode maya = new DefaultMutableTreeNode("Maya"); sharon.add(maya); DefaultMutableTreeNode anya = new DefaultMutableTreeNode("Anya"); sharon.add(anya); sharon.add(new DefaultMutableTreeNode("Bongo")); maya.add(new DefaultMutableTreeNode("Muffin")); anya.add(new DefaultMutableTreeNode("Winky")); DefaultTreeModel model = new DefaultTreeModel(rootNode); tree = new JTree(model); tree.getSelectionModel().setSelectionMode(TreeSelectionModel.DISCONTIGUOUS_TREE_SELECTION); JScrollPane treeView = new JScrollPane(tree); treeView.setPreferredSize(new Dimension(300, 100)); rightPanel.add(createPanelForComponent(treeView, "JTree")); //Create the toggle button. toggleDnD = new JCheckBox("Turn on Drag and Drop"); toggleDnD.setActionCommand("toggleDnD"); toggleDnD.addActionListener(this); JSplitPane splitPane = new JSplitPane(JSplitPane.HORIZONTAL_SPLIT, leftPanel, rightPanel); splitPane.setOneTouchExpandable(true); add(splitPane, BorderLayout.CENTER); add(toggleDnD, BorderLayout.PAGE_END); setBorder(BorderFactory.createEmptyBorder(5, 5, 5, 5)); }
From source file:com.choicemaker.cm.modelmaker.gui.panels.AsymmetricThresholdVsAccuracyPlotPanel.java
private void layoutPanel() { setLayout(new BorderLayout()); JSplitPane splitPane = new JSplitPane(JSplitPane.HORIZONTAL_SPLIT); splitPane.setDividerSize(2);//ww w.ja v a 2s . c o m splitPane.setContinuousLayout(true); splitPane.setDividerLocation(0.5d); splitPane.setResizeWeight(0.5f); splitPane.setOneTouchExpandable(true); ChartPanel dP = new ChartPanel(dPlot, false, false, false, true, true); // dP.setHorizontalZoom(true); // dP.setVerticalZoom(true); splitPane.setTopComponent(dP); ChartPanel mP = new ChartPanel(mPlot, false, false, false, true, true); // mP.setHorizontalZoom(true); // mP.setVerticalZoom(true); splitPane.setBottomComponent(mP); add(splitPane, BorderLayout.CENTER); }
From source file:com.sri.ai.praise.demo.ChurchPanel.java
private void initialize() { setLayout(new BorderLayout(0, 0)); JPanel rootPanel = new JPanel(); add(rootPanel, BorderLayout.CENTER); rootPanel.setLayout(new BorderLayout(0, 0)); JSplitPane splitPane = new JSplitPane(); splitPane.setContinuousLayout(true); splitPane.setResizeWeight(0.5);/*from www .j a va 2 s .c o m*/ splitPane.setOneTouchExpandable(true); splitPane.setOrientation(JSplitPane.VERTICAL_SPLIT); rootPanel.add(splitPane, BorderLayout.CENTER); JPanel churchPanel = new JPanel(); churchPanel.setLayout(new BorderLayout(0, 0)); JLabel lblNewLabel = new JLabel("Church Program"); churchPanel.add(lblNewLabel, BorderLayout.NORTH); churchEditor = new ChurchEditor(); churchPanel.add(churchEditor, BorderLayout.CENTER); splitPane.setLeftComponent(churchPanel); JPanel hogmPanel = new JPanel(); hogmPanel.setLayout(new BorderLayout(0, 0)); JLabel lblNewLabel_1 = new JLabel("Generated Model (Read Only)"); hogmPanel.add(lblNewLabel_1, BorderLayout.NORTH); hogmEditor = new RuleEditor(); hogmEditor.setEditable(false); hogmPanel.add(hogmEditor, BorderLayout.CENTER); splitPane.setRightComponent(hogmPanel); }
From source file:fedroot.dacs.swingdemo.DacsSwingDemo.java
private void init(JFrame mainFrame) { JPanel mainPanel = new JPanel(new BorderLayout()); JPanel gotoUrlPanel = new JPanel(new FlowLayout()); JPanel actionPanel = new JPanel(new FlowLayout()); JPanel modifiersPanel = new JPanel(new FlowLayout()); btnGO = new JButton("GO"); btnGO.addActionListener(new ActionListener() { @Override//w w w . j a va2 s . co m public void actionPerformed(ActionEvent ae) { loadPage("text/html", testURLs[actionsComboBox.getSelectedIndex()]); } }); btnLOGIN = new JButton("Login"); btnLOGIN.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent ae) { loginDialog.showDialog(); } }); btnLOGOUT = new JButton("Logout"); btnLOGOUT.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent ae) { sessionManager.signout(); } }); //initially user is not signed in - btnLOGOUT will be enabled upon successful login btnLOGOUT.setEnabled(false); actionsComboBox = new JComboBox(actions); actionsComboBox.setToolTipText("Select an Action"); actionsComboBox.setEditable(true); actionsComboBox.setSelectedIndex(0); JLabel actionLabel = new JLabel("Action:"); urlTextField = new TextField(70); urlTextField.setEditable(true); actionPanel.add(actionLabel); actionPanel.add(actionsComboBox); actionPanel.add(btnGO); actionPanel.add(btnLOGIN); actionPanel.add(btnLOGOUT); mainPanel.add(gotoUrlPanel, BorderLayout.NORTH); mainPanel.add(actionPanel, BorderLayout.SOUTH); JSplitPane splitInputPane = new JSplitPane(JSplitPane.VERTICAL_SPLIT, mainPanel, modifiersPanel); splitInputPane.setOneTouchExpandable(false); responseTextArea = new JTextArea(); responseTextArea.setEditable(false); responseTextArea.setCaretPosition(0); htmlPane = new JEditorPane(); // htmlPane.setContentType("image/png"); htmlPane.setEditable(false); JSplitPane splitResponsePane = new JSplitPane(JSplitPane.VERTICAL_SPLIT, new JScrollPane(responseTextArea), new JScrollPane(htmlPane)); splitResponsePane.setOneTouchExpandable(false); splitResponsePane.setResizeWeight(0.35); Container container = mainFrame.getContentPane(); container.setLayout(new BorderLayout()); container.add(splitInputPane, BorderLayout.NORTH); container.add(splitResponsePane, BorderLayout.CENTER); mainFrame.pack(); }
From source file:components.TextSamplerDemo.java
public TextSamplerDemo() { setLayout(new BorderLayout()); //Create a regular text field. JTextField textField = new JTextField(10); textField.setActionCommand(textFieldString); textField.addActionListener(this); //Create a password field. JPasswordField passwordField = new JPasswordField(10); passwordField.setActionCommand(passwordFieldString); passwordField.addActionListener(this); //Create a formatted text field. JFormattedTextField ftf = new JFormattedTextField(java.util.Calendar.getInstance().getTime()); ftf.setActionCommand(textFieldString); ftf.addActionListener(this); //Create some labels for the fields. JLabel textFieldLabel = new JLabel(textFieldString + ": "); textFieldLabel.setLabelFor(textField); JLabel passwordFieldLabel = new JLabel(passwordFieldString + ": "); passwordFieldLabel.setLabelFor(passwordField); JLabel ftfLabel = new JLabel(ftfString + ": "); ftfLabel.setLabelFor(ftf);/*ww w .j a va2 s. c o m*/ //Create a label to put messages during an action event. actionLabel = new JLabel("Type text in a field and press Enter."); actionLabel.setBorder(BorderFactory.createEmptyBorder(10, 0, 0, 0)); //Lay out the text controls and the labels. JPanel textControlsPane = new JPanel(); GridBagLayout gridbag = new GridBagLayout(); GridBagConstraints c = new GridBagConstraints(); textControlsPane.setLayout(gridbag); JLabel[] labels = { textFieldLabel, passwordFieldLabel, ftfLabel }; JTextField[] textFields = { textField, passwordField, ftf }; addLabelTextRows(labels, textFields, gridbag, textControlsPane); c.gridwidth = GridBagConstraints.REMAINDER; //last c.anchor = GridBagConstraints.WEST; c.weightx = 1.0; textControlsPane.add(actionLabel, c); textControlsPane.setBorder(BorderFactory.createCompoundBorder( BorderFactory.createTitledBorder("Text Fields"), BorderFactory.createEmptyBorder(5, 5, 5, 5))); //Create a text area. JTextArea textArea = new JTextArea("This is an editable JTextArea. " + "A text area is a \"plain\" text component, " + "which means that although it can display text " + "in any font, all of the text is in the same font."); textArea.setFont(new Font("Serif", Font.ITALIC, 16)); textArea.setLineWrap(true); textArea.setWrapStyleWord(true); JScrollPane areaScrollPane = new JScrollPane(textArea); areaScrollPane.setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_ALWAYS); areaScrollPane.setPreferredSize(new Dimension(250, 250)); areaScrollPane.setBorder(BorderFactory.createCompoundBorder( BorderFactory.createCompoundBorder(BorderFactory.createTitledBorder("Plain Text"), BorderFactory.createEmptyBorder(5, 5, 5, 5)), areaScrollPane.getBorder())); //Create an editor pane. JEditorPane editorPane = createEditorPane(); JScrollPane editorScrollPane = new JScrollPane(editorPane); editorScrollPane.setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_ALWAYS); editorScrollPane.setPreferredSize(new Dimension(250, 145)); editorScrollPane.setMinimumSize(new Dimension(10, 10)); //Create a text pane. JTextPane textPane = createTextPane(); JScrollPane paneScrollPane = new JScrollPane(textPane); paneScrollPane.setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_ALWAYS); paneScrollPane.setPreferredSize(new Dimension(250, 155)); paneScrollPane.setMinimumSize(new Dimension(10, 10)); //Put the editor pane and the text pane in a split pane. JSplitPane splitPane = new JSplitPane(JSplitPane.VERTICAL_SPLIT, editorScrollPane, paneScrollPane); splitPane.setOneTouchExpandable(true); splitPane.setResizeWeight(0.5); JPanel rightPane = new JPanel(new GridLayout(1, 0)); rightPane.add(splitPane); rightPane.setBorder(BorderFactory.createCompoundBorder(BorderFactory.createTitledBorder("Styled Text"), BorderFactory.createEmptyBorder(5, 5, 5, 5))); //Put everything together. JPanel leftPane = new JPanel(new BorderLayout()); leftPane.add(textControlsPane, BorderLayout.PAGE_START); leftPane.add(areaScrollPane, BorderLayout.CENTER); add(leftPane, BorderLayout.LINE_START); add(rightPane, BorderLayout.LINE_END); }
From source file:TextSamplerDemo.java
public TextSamplerDemo() { setLayout(new BorderLayout()); //Create a regular text field. JTextField textField = new JTextField(10); textField.setActionCommand(textFieldString); textField.addActionListener(this); //Create a password field. JPasswordField passwordField = new JPasswordField(10); passwordField.setActionCommand(passwordFieldString); passwordField.addActionListener(this); //Create a formatted text field. JFormattedTextField ftf = new JFormattedTextField(java.util.Calendar.getInstance().getTime()); ftf.setActionCommand(textFieldString); ftf.addActionListener(this); //Create some labels for the fields. JLabel textFieldLabel = new JLabel(textFieldString + ": "); textFieldLabel.setLabelFor(textField); JLabel passwordFieldLabel = new JLabel(passwordFieldString + ": "); passwordFieldLabel.setLabelFor(passwordField); JLabel ftfLabel = new JLabel(ftfString + ": "); ftfLabel.setLabelFor(ftf);//from w ww . ja va2 s. c o m //Create a label to put messages during an action event. actionLabel = new JLabel("Type text and then Enter in a field."); actionLabel.setBorder(BorderFactory.createEmptyBorder(10, 0, 0, 0)); //Lay out the text controls and the labels. JPanel textControlsPane = new JPanel(); GridBagLayout gridbag = new GridBagLayout(); GridBagConstraints c = new GridBagConstraints(); textControlsPane.setLayout(gridbag); JLabel[] labels = { textFieldLabel, passwordFieldLabel, ftfLabel }; JTextField[] textFields = { textField, passwordField, ftf }; addLabelTextRows(labels, textFields, gridbag, textControlsPane); c.gridwidth = GridBagConstraints.REMAINDER; //last c.anchor = GridBagConstraints.WEST; c.weightx = 1.0; textControlsPane.add(actionLabel, c); textControlsPane.setBorder(BorderFactory.createCompoundBorder( BorderFactory.createTitledBorder("Text Fields"), BorderFactory.createEmptyBorder(5, 5, 5, 5))); //Create a text area. JTextArea textArea = new JTextArea("This is an editable JTextArea. " + "A text area is a \"plain\" text component, " + "which means that although it can display text " + "in any font, all of the text is in the same font."); textArea.setFont(new Font("Serif", Font.ITALIC, 16)); textArea.setLineWrap(true); textArea.setWrapStyleWord(true); JScrollPane areaScrollPane = new JScrollPane(textArea); areaScrollPane.setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_ALWAYS); areaScrollPane.setPreferredSize(new Dimension(250, 250)); areaScrollPane.setBorder(BorderFactory.createCompoundBorder( BorderFactory.createCompoundBorder(BorderFactory.createTitledBorder("Plain Text"), BorderFactory.createEmptyBorder(5, 5, 5, 5)), areaScrollPane.getBorder())); //Create an editor pane. JEditorPane editorPane = createEditorPane(); JScrollPane editorScrollPane = new JScrollPane(editorPane); editorScrollPane.setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_ALWAYS); editorScrollPane.setPreferredSize(new Dimension(250, 145)); editorScrollPane.setMinimumSize(new Dimension(10, 10)); //Create a text pane. JTextPane textPane = createTextPane(); JScrollPane paneScrollPane = new JScrollPane(textPane); paneScrollPane.setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_ALWAYS); paneScrollPane.setPreferredSize(new Dimension(250, 155)); paneScrollPane.setMinimumSize(new Dimension(10, 10)); //Put the editor pane and the text pane in a split pane. JSplitPane splitPane = new JSplitPane(JSplitPane.VERTICAL_SPLIT, editorScrollPane, paneScrollPane); splitPane.setOneTouchExpandable(true); splitPane.setResizeWeight(0.5); JPanel rightPane = new JPanel(new GridLayout(1, 0)); rightPane.add(splitPane); rightPane.setBorder(BorderFactory.createCompoundBorder(BorderFactory.createTitledBorder("Styled Text"), BorderFactory.createEmptyBorder(5, 5, 5, 5))); //Put everything together. JPanel leftPane = new JPanel(new BorderLayout()); leftPane.add(textControlsPane, BorderLayout.PAGE_START); leftPane.add(areaScrollPane, BorderLayout.CENTER); add(leftPane, BorderLayout.LINE_START); add(rightPane, BorderLayout.LINE_END); }
From source file:components.TextComponentDemo.java
public TextComponentDemo() { super("TextComponentDemo"); //Create the text pane and configure it. textPane = new JTextPane(); textPane.setCaretPosition(0);//from w w w . j a v a 2 s .c o m textPane.setMargin(new Insets(5, 5, 5, 5)); StyledDocument styledDoc = textPane.getStyledDocument(); if (styledDoc instanceof AbstractDocument) { doc = (AbstractDocument) styledDoc; doc.setDocumentFilter(new DocumentSizeFilter(MAX_CHARACTERS)); } else { System.err.println("Text pane's document isn't an AbstractDocument!"); System.exit(-1); } JScrollPane scrollPane = new JScrollPane(textPane); scrollPane.setPreferredSize(new Dimension(200, 200)); //Create the text area for the status log and configure it. changeLog = new JTextArea(5, 30); changeLog.setEditable(false); JScrollPane scrollPaneForLog = new JScrollPane(changeLog); //Create a split pane for the change log and the text area. JSplitPane splitPane = new JSplitPane(JSplitPane.VERTICAL_SPLIT, scrollPane, scrollPaneForLog); splitPane.setOneTouchExpandable(true); //Create the status area. JPanel statusPane = new JPanel(new GridLayout(1, 1)); CaretListenerLabel caretListenerLabel = new CaretListenerLabel("Caret Status"); statusPane.add(caretListenerLabel); //Add the components. getContentPane().add(splitPane, BorderLayout.CENTER); getContentPane().add(statusPane, BorderLayout.PAGE_END); //Set up the menu bar. actions = createActionTable(textPane); JMenu editMenu = createEditMenu(); JMenu styleMenu = createStyleMenu(); JMenuBar mb = new JMenuBar(); mb.add(editMenu); mb.add(styleMenu); setJMenuBar(mb); //Add some key bindings. addBindings(); //Put the initial text into the text pane. initDocument(); textPane.setCaretPosition(0); //Start watching for undoable edits and caret changes. doc.addUndoableEditListener(new MyUndoableEditListener()); textPane.addCaretListener(caretListenerLabel); doc.addDocumentListener(new MyDocumentListener()); }
From source file:dnd.BasicDnD.java
public BasicDnD() { super(new BorderLayout()); JPanel leftPanel = createVerticalBoxPanel(); JPanel rightPanel = createVerticalBoxPanel(); //Create a table model. DefaultTableModel tm = new DefaultTableModel(); tm.addColumn("Column 0"); tm.addColumn("Column 1"); tm.addColumn("Column 2"); tm.addColumn("Column 3"); tm.addRow(new String[] { "Table 00", "Table 01", "Table 02", "Table 03" }); tm.addRow(new String[] { "Table 10", "Table 11", "Table 12", "Table 13" }); tm.addRow(new String[] { "Table 20", "Table 21", "Table 22", "Table 23" }); tm.addRow(new String[] { "Table 30", "Table 31", "Table 32", "Table 33" }); //LEFT COLUMN //Use the table model to create a table. table = new JTable(tm); leftPanel.add(createPanelForComponent(table, "JTable")); //Create a color chooser. colorChooser = new JColorChooser(); leftPanel.add(createPanelForComponent(colorChooser, "JColorChooser")); //RIGHT COLUMN //Create a textfield. textField = new JTextField(30); textField.setText("Favorite foods:\nPizza, Moussaka, Pot roast"); rightPanel.add(createPanelForComponent(textField, "JTextField")); //Create a scrolled text area. textArea = new JTextArea(5, 30); textArea.setText("Favorite shows:\nBuffy, Alias, Angel"); JScrollPane scrollPane = new JScrollPane(textArea); rightPanel.add(createPanelForComponent(scrollPane, "JTextArea")); //Create a list model and a list. DefaultListModel listModel = new DefaultListModel(); listModel.addElement("Martha Washington"); listModel.addElement("Abigail Adams"); listModel.addElement("Martha Randolph"); listModel.addElement("Dolley Madison"); listModel.addElement("Elizabeth Monroe"); listModel.addElement("Louisa Adams"); listModel.addElement("Emily Donelson"); list = new JList(listModel); list.setVisibleRowCount(-1);/*from w w w . ja v a 2s . co m*/ list.getSelectionModel().setSelectionMode(ListSelectionModel.MULTIPLE_INTERVAL_SELECTION); list.setTransferHandler(new TransferHandler() { public boolean canImport(TransferHandler.TransferSupport info) { // we only import Strings if (!info.isDataFlavorSupported(DataFlavor.stringFlavor)) { return false; } JList.DropLocation dl = (JList.DropLocation) info.getDropLocation(); if (dl.getIndex() == -1) { return false; } return true; } public boolean importData(TransferHandler.TransferSupport info) { if (!info.isDrop()) { return false; } // Check for String flavor if (!info.isDataFlavorSupported(DataFlavor.stringFlavor)) { displayDropLocation("List doesn't accept a drop of this type."); return false; } JList.DropLocation dl = (JList.DropLocation) info.getDropLocation(); DefaultListModel listModel = (DefaultListModel) list.getModel(); int index = dl.getIndex(); boolean insert = dl.isInsert(); // Get the current string under the drop. String value = (String) listModel.getElementAt(index); // Get the string that is being dropped. Transferable t = info.getTransferable(); String data; try { data = (String) t.getTransferData(DataFlavor.stringFlavor); } catch (Exception e) { return false; } // Display a dialog with the drop information. String dropValue = "\"" + data + "\" dropped "; if (dl.isInsert()) { if (dl.getIndex() == 0) { displayDropLocation(dropValue + "at beginning of list"); } else if (dl.getIndex() >= list.getModel().getSize()) { displayDropLocation(dropValue + "at end of list"); } else { String value1 = (String) list.getModel().getElementAt(dl.getIndex() - 1); String value2 = (String) list.getModel().getElementAt(dl.getIndex()); displayDropLocation(dropValue + "between \"" + value1 + "\" and \"" + value2 + "\""); } } else { displayDropLocation(dropValue + "on top of " + "\"" + value + "\""); } /** This is commented out for the basicdemo.html tutorial page. ** If you add this code snippet back and delete the ** "return false;" line, the list will accept drops ** of type string. // Perform the actual import. if (insert) { listModel.add(index, data); } else { listModel.set(index, data); } return true; */ return false; } public int getSourceActions(JComponent c) { return COPY; } protected Transferable createTransferable(JComponent c) { JList list = (JList) c; Object[] values = list.getSelectedValues(); StringBuffer buff = new StringBuffer(); for (int i = 0; i < values.length; i++) { Object val = values[i]; buff.append(val == null ? "" : val.toString()); if (i != values.length - 1) { buff.append("\n"); } } return new StringSelection(buff.toString()); } }); list.setDropMode(DropMode.ON_OR_INSERT); JScrollPane listView = new JScrollPane(list); listView.setPreferredSize(new Dimension(300, 100)); rightPanel.add(createPanelForComponent(listView, "JList")); //Create a tree. DefaultMutableTreeNode rootNode = new DefaultMutableTreeNode("Mia Familia"); DefaultMutableTreeNode sharon = new DefaultMutableTreeNode("Sharon"); rootNode.add(sharon); DefaultMutableTreeNode maya = new DefaultMutableTreeNode("Maya"); sharon.add(maya); DefaultMutableTreeNode anya = new DefaultMutableTreeNode("Anya"); sharon.add(anya); sharon.add(new DefaultMutableTreeNode("Bongo")); maya.add(new DefaultMutableTreeNode("Muffin")); anya.add(new DefaultMutableTreeNode("Winky")); DefaultTreeModel model = new DefaultTreeModel(rootNode); tree = new JTree(model); tree.getSelectionModel().setSelectionMode(TreeSelectionModel.DISCONTIGUOUS_TREE_SELECTION); JScrollPane treeView = new JScrollPane(tree); treeView.setPreferredSize(new Dimension(300, 100)); rightPanel.add(createPanelForComponent(treeView, "JTree")); //Create the toggle button. toggleDnD = new JCheckBox("Turn on Drag and Drop"); toggleDnD.setActionCommand("toggleDnD"); toggleDnD.addActionListener(this); JSplitPane splitPane = new JSplitPane(JSplitPane.HORIZONTAL_SPLIT, leftPanel, rightPanel); splitPane.setOneTouchExpandable(true); add(splitPane, BorderLayout.CENTER); add(toggleDnD, BorderLayout.PAGE_END); setBorder(BorderFactory.createEmptyBorder(5, 5, 5, 5)); }