Example usage for javax.swing JTextArea setEditable

Introduction

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

Prototype

@BeanProperty(description = "specifies if the text can be edited")
public void setEditable(boolean b) 

Source Link

Document

Sets the specified boolean to indicate whether or not this TextComponent should be editable.

Usage

From source file:SelectingComboSample.java

public static void main(String args[]) {
    String labels[] = { "A", "B", "C", "D", "E", "F", "G", "H", "J", "I" };
    JFrame frame = new JFrame("Selecting JComboBox");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    Container contentPane = frame.getContentPane();

    JComboBox comboBox = new JComboBox(labels);
    contentPane.add(comboBox, BorderLayout.SOUTH);

    final JTextArea textArea = new JTextArea();
    textArea.setEditable(false);
    JScrollPane sp = new JScrollPane(textArea);
    contentPane.add(sp, BorderLayout.CENTER);

    ItemListener itemListener = new ItemListener() {
        public void itemStateChanged(ItemEvent itemEvent) {
            StringWriter sw = new StringWriter();
            PrintWriter pw = new PrintWriter(sw);
            int state = itemEvent.getStateChange();
            String stateString = ((state == ItemEvent.SELECTED) ? "Selected" : "Deselected");
            pw.print("Item: " + itemEvent.getItem());
            pw.print(", State: " + stateString);
            ItemSelectable is = itemEvent.getItemSelectable();
            pw.print(", Selected: " + selectedString(is));
            pw.println();/*from  ww  w  . ja va2  s.  c om*/
            textArea.append(sw.toString());
        }
    };
    comboBox.addItemListener(itemListener);

    ActionListener actionListener = new ActionListener() {
        public void actionPerformed(ActionEvent actionEvent) {
            StringWriter sw = new StringWriter();
            PrintWriter pw = new PrintWriter(sw);
            pw.print("Command: " + actionEvent.getActionCommand());
            ItemSelectable is = (ItemSelectable) actionEvent.getSource();
            pw.print(", Selected: " + selectedString(is));
            pw.println();
            textArea.append(sw.toString());
        }
    };
    comboBox.addActionListener(actionListener);

    frame.setSize(400, 200);
    frame.setVisible(true);
}

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From source file:UndoExample1.java

public static void main(String[] args) {
    try {//from   w  w  w .  j av a 2 s  .c  om
        UIManager.setLookAndFeel("com.sun.java.swing.plaf.windows.WindowsLookAndFeel");
    } catch (Exception evt) {
    }

    JFrame f = new UndoExample1();
    f.addWindowListener(new WindowAdapter() {
        public void windowClosing(WindowEvent evt) {
            System.exit(0);
        }
    });
    f.setSize(250, 300);
    f.setVisible(true);

    // Create and show a frame monitoring undoable edits
    JFrame undoMonitor = new JFrame("Undo Monitor");
    final JTextArea textArea = new JTextArea();
    textArea.setEditable(false);
    undoMonitor.getContentPane().add(new JScrollPane(textArea));
    undoMonitor.setBounds(f.getLocation().x + f.getSize().width, f.getLocation().y, 400, 200);
    undoMonitor.setVisible(true);

    pane.getDocument().addUndoableEditListener(new UndoableEditListener() {
        public void undoableEditHappened(UndoableEditEvent evt) {
            UndoableEdit edit = evt.getEdit();
            textArea.append(edit.getPresentationName() + "(" + edit.toString() + ")\n");
        }
    });

    // Create and show a frame monitoring document edits
    JFrame editMonitor = new JFrame("Edit Monitor");
    final JTextArea textArea2 = new JTextArea();
    textArea2.setEditable(false);
    editMonitor.getContentPane().add(new JScrollPane(textArea2));
    editMonitor.setBounds(undoMonitor.getLocation().x,
            undoMonitor.getLocation().y + undoMonitor.getSize().height, 400, 200);
    editMonitor.setVisible(true);

    pane.getDocument().addDocumentListener(new DocumentListener() {
        public void changedUpdate(DocumentEvent evt) {
            textArea2.append("Attribute change\n");
        }

        public void insertUpdate(DocumentEvent evt) {
            textArea2.append("Text insertion\n");
        }

        public void removeUpdate(DocumentEvent evt) {
            textArea2.append("Text removal\n");
        }
    });
}

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From source file:EditabilityExample.java

public static void main(String[] args) {
    try {//from  w  w  w  . j a v  a  2s.  co m
        UIManager.setLookAndFeel("com.sun.java.swing.plaf.windows.WindowsLookAndFeel");
    } catch (Exception evt) {
    }

    JFrame f = new JFrame("Editability Example");
    f.getContentPane().setLayout(new BoxLayout(f.getContentPane(), BoxLayout.Y_AXIS));
    f.getContentPane().add(firstField);

    JTextField tf = new JTextField("A read-only text field", 20);
    tf.setEditable(false);
    f.getContentPane().add(tf);

    JTextArea ta = new JTextArea("An editable\ntext area", 2, 20);
    ta.setBorder(BorderFactory.createLoweredBevelBorder());
    f.getContentPane().add(ta);

    ta = new JTextArea("A read-only\ntext area", 2, 20);
    ta.setBorder(BorderFactory.createLoweredBevelBorder());
    ta.setEditable(false);
    f.getContentPane().add(ta);

    f.pack();
    f.show();

    if (args.length == 1 && args[0].equals("disable")) {
        // Toggle the enabled state of the first
        // text field every 10 seconds
        Timer t = new Timer(10000, new ActionListener() {
            public void actionPerformed(ActionEvent evt) {
                firstField.setEnabled(!firstField.isEnabled());
                firstField.setText(firstFieldText + (firstField.isEnabled() ? "" : " (disabled)"));
            }
        });
        t.start();
    }
}

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From source file:ModifyModelSample.java

public static void main(String args[]) {
    JFrame frame = new JFrame("Modifying Model");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    Container contentPane = frame.getContentPane();

    // Fill model
    final DefaultListModel model = new DefaultListModel();
    for (int i = 0, n = labels.length; i < n; i++) {
        model.addElement(labels[i]);/*from   w w  w  .  j  a  v a 2 s. c om*/
    }
    JList jlist = new JList(model);
    JScrollPane scrollPane1 = new JScrollPane(jlist);
    contentPane.add(scrollPane1, BorderLayout.WEST);

    final JTextArea textArea = new JTextArea();
    textArea.setEditable(false);
    JScrollPane scrollPane2 = new JScrollPane(textArea);
    contentPane.add(scrollPane2, BorderLayout.CENTER);

    ListDataListener listDataListener = new ListDataListener() {
        public void contentsChanged(ListDataEvent listDataEvent) {
            appendEvent(listDataEvent);
        }

        public void intervalAdded(ListDataEvent listDataEvent) {
            appendEvent(listDataEvent);
        }

        public void intervalRemoved(ListDataEvent listDataEvent) {
            appendEvent(listDataEvent);
        }

        private void appendEvent(ListDataEvent listDataEvent) {
            StringWriter sw = new StringWriter();
            PrintWriter pw = new PrintWriter(sw);
            switch (listDataEvent.getType()) {
            case ListDataEvent.CONTENTS_CHANGED:
                pw.print("Type: Contents Changed");
                break;
            case ListDataEvent.INTERVAL_ADDED:
                pw.print("Type: Interval Added");
                break;
            case ListDataEvent.INTERVAL_REMOVED:
                pw.print("Type: Interval Removed");
                break;
            }
            pw.print(", Index0: " + listDataEvent.getIndex0());
            pw.print(", Index1: " + listDataEvent.getIndex1());
            DefaultListModel theModel = (DefaultListModel) listDataEvent.getSource();
            Enumeration elements = theModel.elements();
            pw.print(", Elements: ");
            while (elements.hasMoreElements()) {
                pw.print(elements.nextElement());
                pw.print(",");
            }
            pw.println();
            textArea.append(sw.toString());
        }
    };

    model.addListDataListener(listDataListener);

    // Setup buttons
    JPanel jp = new JPanel(new GridLayout(2, 1));
    JPanel jp1 = new JPanel(new FlowLayout(FlowLayout.CENTER, 1, 1));
    JPanel jp2 = new JPanel(new FlowLayout(FlowLayout.CENTER, 1, 1));
    jp.add(jp1);
    jp.add(jp2);
    JButton jb = new JButton("add F");
    jp1.add(jb);
    jb.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent actionEvent) {
            model.add(0, "First");
        }
    });
    jb = new JButton("addElement L");
    jp1.add(jb);
    jb.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent actionEvent) {
            model.addElement("Last");
        }
    });
    jb = new JButton("insertElementAt M");
    jp1.add(jb);
    jb.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent actionEvent) {
            int size = model.getSize();
            model.insertElementAt("Middle", size / 2);
        }
    });
    jb = new JButton("set F");
    jp1.add(jb);
    jb.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent actionEvent) {
            int size = model.getSize();
            if (size != 0)
                model.set(0, "New First");
        }
    });
    jb = new JButton("setElementAt L");
    jp1.add(jb);
    jb.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent actionEvent) {
            int size = model.getSize();
            if (size != 0)
                model.setElementAt("New Last", size - 1);
        }
    });
    jb = new JButton("load 10");
    jp1.add(jb);
    jb.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent actionEvent) {
            for (int i = 0, n = labels.length; i < n; i++) {
                model.addElement(labels[i]);
            }
        }
    });
    jb = new JButton("clear");
    jp2.add(jb);
    jb.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent actionEvent) {
            model.clear();
        }
    });
    jb = new JButton("remove F");
    jp2.add(jb);
    jb.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent actionEvent) {
            int size = model.getSize();
            if (size != 0)
                model.remove(0);
        }
    });
    jb = new JButton("removeAllElements");
    jp2.add(jb);
    jb.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent actionEvent) {
            model.removeAllElements();
        }
    });
    jb = new JButton("removeElement 'Last'");
    jp2.add(jb);
    jb.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent actionEvent) {
            model.removeElement("Last");
        }
    });
    jb = new JButton("removeElementAt M");
    jp2.add(jb);
    jb.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent actionEvent) {
            int size = model.getSize();
            if (size != 0)
                model.removeElementAt(size / 2);
        }
    });
    jb = new JButton("removeRange FM");
    jp2.add(jb);
    jb.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent actionEvent) {
            int size = model.getSize();
            if (size != 0)
                model.removeRange(0, size / 2);
        }
    });
    contentPane.add(jp, BorderLayout.SOUTH);
    frame.setSize(640, 300);
    frame.setVisible(true);
}

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From source file:UndoExample5.java

public static void main(String[] args) {
    try {//from  ww  w. j ava2  s. c  o  m
        UIManager.setLookAndFeel("com.sun.java.swing.plaf.windows.WindowsLookAndFeel");
    } catch (Exception evt) {
    }

    JFrame f = new UndoExample5();
    f.addWindowListener(new WindowAdapter() {
        public void windowClosing(WindowEvent evt) {
            System.exit(0);
        }
    });
    f.setSize(250, 300);
    f.setVisible(true);

    // Create and show a frame monitoring undoable edits
    JFrame undoMonitor = new JFrame("Undo Monitor");
    final JTextArea textArea = new JTextArea();
    textArea.setEditable(false);
    undoMonitor.getContentPane().add(new JScrollPane(textArea));
    undoMonitor.setBounds(f.getLocation().x + f.getSize().width, f.getLocation().y, 400, 200);
    undoMonitor.setVisible(true);

    pane.getDocument().addUndoableEditListener(new UndoableEditListener() {
        public void undoableEditHappened(UndoableEditEvent evt) {
            UndoableEdit edit = evt.getEdit();
            textArea.append(edit.getPresentationName() + "(" + edit.toString() + ")\n");
        }
    });

    // Create and show a frame monitoring document edits
    JFrame editMonitor = new JFrame("Edit Monitor");
    final JTextArea textArea2 = new JTextArea();
    textArea2.setEditable(false);
    editMonitor.getContentPane().add(new JScrollPane(textArea2));
    editMonitor.setBounds(undoMonitor.getLocation().x,
            undoMonitor.getLocation().y + undoMonitor.getSize().height, 400, 200);
    editMonitor.setVisible(true);

    pane.getDocument().addDocumentListener(new DocumentListener() {
        public void changedUpdate(DocumentEvent evt) {
            textArea2.append("Attribute change\n");
        }

        public void insertUpdate(DocumentEvent evt) {
            textArea2.append("Text insertion\n");
        }

        public void removeUpdate(DocumentEvent evt) {
            textArea2.append("Text removal\n");
        }
    });
}

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From source file:org.jdesktop.swingworker.AccumulativeRunnable.java

public static void main(String[] args) throws Exception {
    JFrame frame = new JFrame("Prime Numbers Demo");
    frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
    JTextArea textArea = new JTextArea();
    textArea.setEditable(false);
    frame.add(new JScrollPane(textArea), BorderLayout.CENTER);
    PrimeNumbersTask task = new PrimeNumbersTask(textArea, 10000);
    final JProgressBar progressBar = new JProgressBar(0, 100);
    progressBar.setIndeterminate(true);/*from ww w  .j ava2  s  .c o m*/
    frame.add(progressBar, BorderLayout.NORTH);

    frame.setSize(500, 500);
    frame.setVisible(true);

    task.addPropertyChangeListener(
        new PropertyChangeListener() {
            public  void propertyChange(PropertyChangeEvent evt) {
                if ("progress".equals(evt.getPropertyName())) {
                    progressBar.setIndeterminate(false);
                    progressBar.setValue((Integer)evt.getNewValue());
                }
            }
        });
    task.execute();

    return;
}

---

From source file:Main.java

public static void showMessage(String title, String str) {
    JFrame info = new JFrame(title);
    JTextArea t = new JTextArea(str, 15, 40);
    t.setEditable(false);
    t.setLineWrap(true);/*from w  ww . j  ava  2  s .  c om*/
    t.setWrapStyleWord(true);
    JButton ok = new JButton("Close");
    ok.addActionListener(windowCloserAction);
    info.getContentPane().setLayout(new BoxLayout(info.getContentPane(), BoxLayout.Y_AXIS));
    info.getContentPane().add(new JScrollPane(t));
    info.getContentPane().add(ok);
    ok.setAlignmentX(Component.CENTER_ALIGNMENT);
    info.pack();
    //info.setResizable(false);
    centerFrame(info);
    //info.show();
    info.setVisible(true);
}

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From source file:Main.java

public static void displayErrorMessage(JFrame frame, String errorMessage) {
    // create a JTextArea
    JTextArea textArea = new JTextArea(6, 25);
    textArea.setText(errorMessage);/*from  ww  w.ja v a2s . c  o  m*/
    textArea.setEditable(false);

    // wrap a scrollpane around it
    JScrollPane scrollPane = new JScrollPane(textArea);

    // display them in a message dialog
    // TODO i don't know if this will work if this is null
    JOptionPane.showMessageDialog(frame, scrollPane);
}

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From source file:au.org.ala.delta.ui.MessageDialogHelper.java

/**
 * Creates a text area that looks like a JLabel that has a preferredSize calculated to fit
 * all of the supplied text wrapped at the supplied column. 
 * @param text the text to display in the JTextArea.
 * @param numColumns the column number to wrap text at.
 * @return a new JTextArea configured for the supplied text.
 *//*from www . jav a2  s . c o  m*/
private static JTextArea createMessageDisplay(String text, int numColumns) {
    JTextArea textArea = new JTextArea();
    textArea.setEditable(false);

    textArea.setBackground(UIManager.getColor("Label.background"));
    textArea.setFont(UIManager.getFont("Label.font"));

    textArea.setWrapStyleWord(true);
    textArea.setLineWrap(true);
    textArea.setColumns(numColumns);

    String wrapped = WordUtils.wrap(text, numColumns);
    textArea.setRows(wrapped.split("\n").length - 1);

    textArea.setText(text);

    // Need to set a preferred size so that under OpenJDK-6 on Linux the JOptionPanes get reasonable bounds 
    textArea.setPreferredSize(new Dimension(0, 0));

    return textArea;

}

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From source file:ConsoleWindowTest.java

public static void init() {
    JFrame frame = new JFrame();
    frame.setTitle("ConsoleWindow");
    final JTextArea output = new JTextArea();
    output.setEditable(false);
    frame.add(new JScrollPane(output));
    frame.setSize(DEFAULT_WIDTH, DEFAULT_HEIGHT);
    frame.setLocation(DEFAULT_LEFT, DEFAULT_TOP);
    frame.setFocusableWindowState(false);
    frame.setVisible(true);/*from   ww  w .j ava 2s . co  m*/

    // define a PrintStream that sends its bytes to the output text area
    PrintStream consoleStream = new PrintStream(new OutputStream() {
        public void write(int b) {
        } // never called

        public void write(byte[] b, int off, int len) {
            output.append(new String(b, off, len));
        }
    });

    // set both System.out and System.err to that stream
    System.setOut(consoleStream);
    System.setErr(consoleStream);
}

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