Example usage for javax.swing JTextArea JTextArea

List of usage examples for javax.swing JTextArea JTextArea

Introduction

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

Prototype

public JTextArea(int rows, int columns) 

Source Link

Document

Constructs a new empty TextArea with the specified number of rows and columns.

Usage

From source file:InternalFrameEventDemo.java

protected void createDisplayWindow() {
    JButton b1 = new JButton("Show internal frame");
    b1.setActionCommand(SHOW);/*from ww w .  ja v  a  2  s  . c  om*/
    b1.addActionListener(this);

    JButton b2 = new JButton("Clear event info");
    b2.setActionCommand(CLEAR);
    b2.addActionListener(this);

    display = new JTextArea(3, 30);
    display.setEditable(false);
    JScrollPane textScroller = new JScrollPane(display);
    // Have to supply a preferred size, or else the scroll
    // area will try to stay as large as the text area.
    textScroller.setPreferredSize(new Dimension(200, 75));
    textScroller.setMinimumSize(new Dimension(10, 10));

    displayWindow = new JInternalFrame("Event Watcher", true, // resizable
            false, // not closable
            false, // not maximizable
            true); // iconifiable
    JPanel contentPane = new JPanel();
    contentPane.setBorder(BorderFactory.createEmptyBorder(10, 10, 10, 10));
    contentPane.setLayout(new BoxLayout(contentPane, BoxLayout.PAGE_AXIS));
    b1.setAlignmentX(CENTER_ALIGNMENT);
    contentPane.add(b1);
    contentPane.add(Box.createRigidArea(new Dimension(0, 5)));
    contentPane.add(textScroller);
    contentPane.add(Box.createRigidArea(new Dimension(0, 5)));
    b2.setAlignmentX(CENTER_ALIGNMENT);
    contentPane.add(b2);

    displayWindow.setContentPane(contentPane);
    displayWindow.pack();
    displayWindow.setVisible(true);
}

From source file:downloadwebpages.DownloadWebpages.java

/**
 * create a gui to mimic the output console
 *//*from  w  w w .ja  v  a  2  s  .  c om*/
private void createGUI() {
    //Create and set up the window.
    JFrame frame = new JFrame();
    frame.add(new JLabel(" Output"), BorderLayout.NORTH);
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    // add JTextArea to show console
    JTextArea ta = new JTextArea(30, 50);
    TextAreaOutputStream taos = new TextAreaOutputStream(ta, 60);
    PrintStream ps = new PrintStream(taos);
    System.setOut(ps);
    System.setErr(ps);

    frame.add(new JScrollPane(ta));
    frame.pack();
    frame.setVisible(true);
}

From source file:ToolBarDemo2.java

public ToolBarDemo2() {
    super(new BorderLayout());

    //Create the toolbar.
    JToolBar toolBar = new JToolBar("Still draggable");
    addButtons(toolBar);//  w  w w  .  ja v a 2  s  .  c  om
    toolBar.setFloatable(false);
    toolBar.setRollover(true);

    //Create the text area used for output. Request
    //enough space for 5 rows and 30 columns.
    textArea = new JTextArea(5, 30);
    textArea.setEditable(false);
    JScrollPane scrollPane = new JScrollPane(textArea);

    //Lay out the main panel.
    setPreferredSize(new Dimension(450, 130));
    add(toolBar, BorderLayout.PAGE_START);
    add(scrollPane, BorderLayout.CENTER);
}

From source file:com.mindcognition.mindraider.ui.swing.concept.annotation.renderer.AbstractTextAnnotationRenderer.java

protected void init(AnnotationToHtmlTransformer editorToViewerTransfomer, KeyListener editorKeyListener,
        KeyListener viewerKeyListener, FocusListener editorFocusListener, FocusListener viewerFocusListener,
        MouseListener editorMouseListener, MouseListener viewerMouseListener, TextAnnotationToolbar toolbar) {
    this.editorToViewerTransfomer = editorToViewerTransfomer;
    this.toolbar = toolbar;

    setLayout(new BorderLayout());

    JPanel editorViewerPanel = new JPanel();
    editorViewerPanel.setLayout(new BoxLayout(editorViewerPanel, BoxLayout.Y_AXIS));

    // editor/*from w  w  w  .  ja  v a  2  s .com*/
    editor = new JTextArea(30, 100);
    configureEditor(editor);
    editor.addKeyListener(editorKeyListener);
    editor.addFocusListener(editorFocusListener);
    editor.addMouseListener(editorMouseListener);
    // TODO bundle
    editorScroll = encapsulateToScroll(editor, " Editor ");
    editorViewerPanel.add(editorScroll);
    editorScroll.setVisible(false);

    // view
    viewer = new JTextPane();
    configureViewer(viewer);
    viewer.addKeyListener(viewerKeyListener);
    viewer.addFocusListener(viewerFocusListener);
    viewer.addMouseListener(viewerMouseListener);
    // TODO bundle
    viewerScroll = encapsulateToScroll(viewer, " Viewer ");
    editorViewerPanel.add(viewerScroll);

    add(editorViewerPanel, BorderLayout.CENTER);
    // toolbar
    if (toolbar != null) {
        add(toolbar, BorderLayout.SOUTH);
    }

    // let the container to redraw its content (hide/show)
    validate();
}

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);//w  w  w. j av a  2  s . c  om
    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));
}

From source file:ProgressBarDemo.java

public ProgressBarDemo() {
    super(new BorderLayout());

    // Create the demo's UI.
    startButton = new JButton("Start");
    startButton.setActionCommand("start");
    startButton.addActionListener(this);

    progressBar = new JProgressBar(0, 100);
    progressBar.setValue(0);//from   ww  w  .  j av a2  s.  c om
    progressBar.setStringPainted(true);

    taskOutput = new JTextArea(5, 20);
    taskOutput.setMargin(new Insets(5, 5, 5, 5));
    taskOutput.setEditable(false);

    JPanel panel = new JPanel();
    panel.add(startButton);
    panel.add(progressBar);

    add(panel, BorderLayout.PAGE_START);
    add(new JScrollPane(taskOutput), BorderLayout.CENTER);
    setBorder(BorderFactory.createEmptyBorder(20, 20, 20, 20));

}

From source file:InternalFrameEventDemo.java

protected void createDisplayWindow() {
    JButton b1 = new JButton("Show internal frame");
    b1.setActionCommand(SHOW);//from w  w w.  j  a  v a 2  s.  c o  m
    b1.addActionListener(this);

    JButton b2 = new JButton("Clear event info");
    b2.setActionCommand(CLEAR);
    b2.addActionListener(this);

    display = new JTextArea(3, 30);
    display.setEditable(false);
    JScrollPane textScroller = new JScrollPane(display);
    //Have to supply a preferred size, or else the scroll
    //area will try to stay as large as the text area.
    textScroller.setPreferredSize(new Dimension(200, 75));
    textScroller.setMinimumSize(new Dimension(10, 10));

    displayWindow = new JInternalFrame("Event Watcher", true, //resizable
            false, //not closable
            false, //not maximizable
            true); //iconifiable
    JPanel contentPane = new JPanel();
    contentPane.setBorder(BorderFactory.createEmptyBorder(10, 10, 10, 10));
    contentPane.setLayout(new BoxLayout(contentPane, BoxLayout.PAGE_AXIS));
    b1.setAlignmentX(CENTER_ALIGNMENT);
    contentPane.add(b1);
    contentPane.add(Box.createRigidArea(new Dimension(0, 5)));
    contentPane.add(textScroller);
    contentPane.add(Box.createRigidArea(new Dimension(0, 5)));
    b2.setAlignmentX(CENTER_ALIGNMENT);
    contentPane.add(b2);

    displayWindow.setContentPane(contentPane);
    displayWindow.pack();
    displayWindow.setVisible(true);
}

From source file:events.TableListSelectionDemo.java

public TableListSelectionDemo() {
    super(new BorderLayout());

    String[] columnNames = { "French", "Spanish", "Italian" };
    String[][] tableData = { { "un", "uno", "uno" }, { "deux", "dos", "due" }, { "trois", "tres", "tre" },
            { "quatre", "cuatro", "quattro" }, { "cinq", "cinco", "cinque" }, { "six", "seis", "sei" },
            { "sept", "siete", "sette" } };

    table = new JTable(tableData, columnNames);
    listSelectionModel = table.getSelectionModel();
    listSelectionModel.addListSelectionListener(new SharedListSelectionHandler());
    table.setSelectionModel(listSelectionModel);
    JScrollPane tablePane = new JScrollPane(table);

    //Build control area (use default FlowLayout).
    JPanel controlPane = new JPanel();
    String[] modes = { "SINGLE_SELECTION", "SINGLE_INTERVAL_SELECTION", "MULTIPLE_INTERVAL_SELECTION" };

    final JComboBox comboBox = new JComboBox(modes);
    comboBox.setSelectedIndex(2);//w w w . j a v a  2s  .c o m
    comboBox.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
            String newMode = (String) comboBox.getSelectedItem();
            if (newMode.equals("SINGLE_SELECTION")) {
                listSelectionModel.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
            } else if (newMode.equals("SINGLE_INTERVAL_SELECTION")) {
                listSelectionModel.setSelectionMode(ListSelectionModel.SINGLE_INTERVAL_SELECTION);
            } else {
                listSelectionModel.setSelectionMode(ListSelectionModel.MULTIPLE_INTERVAL_SELECTION);
            }
            output.append("----------" + "Mode: " + newMode + "----------" + newline);
        }
    });
    controlPane.add(new JLabel("Selection mode:"));
    controlPane.add(comboBox);

    //Build output area.
    output = new JTextArea(1, 10);
    output.setEditable(false);
    JScrollPane outputPane = new JScrollPane(output, ScrollPaneConstants.VERTICAL_SCROLLBAR_ALWAYS,
            ScrollPaneConstants.HORIZONTAL_SCROLLBAR_AS_NEEDED);

    //Do the layout.
    JSplitPane splitPane = new JSplitPane(JSplitPane.VERTICAL_SPLIT);
    add(splitPane, BorderLayout.CENTER);

    JPanel topHalf = new JPanel();
    topHalf.setLayout(new BoxLayout(topHalf, BoxLayout.LINE_AXIS));
    JPanel listContainer = new JPanel(new GridLayout(1, 1));
    JPanel tableContainer = new JPanel(new GridLayout(1, 1));
    tableContainer.setBorder(BorderFactory.createTitledBorder("Table"));
    tableContainer.add(tablePane);
    tablePane.setPreferredSize(new Dimension(420, 130));
    topHalf.setBorder(BorderFactory.createEmptyBorder(5, 5, 0, 5));
    topHalf.add(listContainer);
    topHalf.add(tableContainer);

    topHalf.setMinimumSize(new Dimension(250, 50));
    topHalf.setPreferredSize(new Dimension(200, 110));
    splitPane.add(topHalf);

    JPanel bottomHalf = new JPanel(new BorderLayout());
    bottomHalf.add(controlPane, BorderLayout.PAGE_START);
    bottomHalf.add(outputPane, BorderLayout.CENTER);
    //XXX: next line needed if bottomHalf is a scroll pane:
    //bottomHalf.setMinimumSize(new Dimension(400, 50));
    bottomHalf.setPreferredSize(new Dimension(450, 110));
    splitPane.add(bottomHalf);
}

From source file:Main.java

public Main() {
    super(new BorderLayout());

    // Create the demo's UI.
    startButton = new JButton("Start");
    startButton.setActionCommand("start");
    startButton.addActionListener(this);

    progressBar = new JProgressBar(0, 100);
    progressBar.setValue(0);/*ww  w.  j  a va 2 s . co  m*/

    // Call setStringPainted now so that the progress bar height
    // stays the same whether or not the string is shown.
    progressBar.setStringPainted(true);

    taskOutput = new JTextArea(5, 20);
    taskOutput.setMargin(new Insets(5, 5, 5, 5));
    taskOutput.setEditable(false);

    JPanel panel = new JPanel();
    panel.add(startButton);
    panel.add(progressBar);

    add(panel, BorderLayout.PAGE_START);
    add(new JScrollPane(taskOutput), BorderLayout.CENTER);
    setBorder(BorderFactory.createEmptyBorder(20, 20, 20, 20));
}

From source file:ProgressBarDemo2.java

public ProgressBarDemo2() {
    super(new BorderLayout());

    // Create the demo's UI.
    startButton = new JButton("Start");
    startButton.setActionCommand("start");
    startButton.addActionListener(this);

    progressBar = new JProgressBar(0, 100);
    progressBar.setValue(0);//www.  j a v a 2  s.  co  m

    // Call setStringPainted now so that the progress bar height
    // stays the same whether or not the string is shown.
    progressBar.setStringPainted(true);

    taskOutput = new JTextArea(5, 20);
    taskOutput.setMargin(new Insets(5, 5, 5, 5));
    taskOutput.setEditable(false);

    JPanel panel = new JPanel();
    panel.add(startButton);
    panel.add(progressBar);

    add(panel, BorderLayout.PAGE_START);
    add(new JScrollPane(taskOutput), BorderLayout.CENTER);
    setBorder(BorderFactory.createEmptyBorder(20, 20, 20, 20));
}