Example usage for javax.swing JTextArea JTextArea

Introduction

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

Prototype

public JTextArea()

Source Link

Document

Constructs a new TextArea.

Usage

From source file:Main.java

public static void main(String[] argv) throws Exception {
    JTextComponent textComp = new JTextArea();
    Document doc = textComp.getDocument();

    Position p = null;/*  w  w  w.  j ava  2  s  .c o m*/

    int location = 3;
    p = doc.createPosition(location);

}

From source file:Main.java

public static void main(String[] args) {
    JFrame frame = new JFrame();
    JTextArea textarea = new JTextArea();
    textarea.setDragEnabled(true);//from  ww w  . j  a v  a  2  s.c o m

    textarea.setText("Drag target");

    frame.getContentPane().add(BorderLayout.CENTER, textarea);

    JTextField textarea1 = new JTextField();
    textarea1.setText("Drop target");
    frame.getContentPane().add(BorderLayout.SOUTH, textarea1);

    frame.setSize(500, 300);
    frame.setVisible(true);
    frame.setLocation(100, 100);
}

From source file:MainClass.java

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

    JTextArea leftTextArea = new JTextArea();
    frame.add(leftTextArea);//w  ww .j  a  va  2s  .c  om
    leftTextArea.paste();

    frame.setSize(250, 150);
    frame.setVisible(true);

}

From source file:Main.java

public static void main(String args[]) {
    JTextComponent component = new JTextArea();

    // Process action list
    Action actions[] = component.getActions();
    // Define comparator to sort actions
    Comparator<Action> comparator = new Comparator<Action>() {
        public int compare(Action a1, Action a2) {
            String firstName = (String) a1.getValue(Action.NAME);
            String secondName = (String) a2.getValue(Action.NAME);
            return firstName.compareTo(secondName);
        }//from   w  ww . j  a v  a 2  s.  c  om
    };
    Arrays.sort(actions, comparator);

    int count = actions.length;
    System.out.println("Count: " + count);
    for (int i = 0; i < count; i++) {
        System.out.printf("%28s : %s\n", actions[i].getValue(Action.NAME), actions[i].getClass().getName());
    }
}

From source file:Main.java

public static void main(String[] args) {
    JFrame frame = new JFrame("Shared Model");

    JTextArea areaFiftyOne = new JTextArea();
    JTextArea areaFiftyTwo = new JTextArea();
    areaFiftyTwo.setDocument(areaFiftyOne.getDocument());
    JTextArea areaFiftyThree = new JTextArea();
    areaFiftyThree.setDocument(areaFiftyOne.getDocument());

    frame.setLayout(new GridLayout(3, 1));
    frame.add(new JScrollPane(areaFiftyOne));
    frame.add(new JScrollPane(areaFiftyTwo));
    frame.add(new JScrollPane(areaFiftyThree));

    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.setSize(300, 300);/*from   w  ww. j  ava 2s  .c  om*/
    frame.setVisible(true);
}

From source file:Main.java

public static void main(String[] argv) throws Exception {

    JTextArea component = new JTextArea();

    NextFocusAction nextFocusAction = new NextFocusAction();
    PrevFocusAction prevFocusAction = new PrevFocusAction();

    component.getActionMap().put(nextFocusAction.getValue(Action.NAME), nextFocusAction);
    component.getActionMap().put(prevFocusAction.getValue(Action.NAME), prevFocusAction);
}

From source file:Main.java

public static void main(String[] args) {
    JTextArea ta = new JTextArea();
    ta.setLineWrap(true);//  w  ww . ja  v  a 2  s  . c o  m

    Action[] actions = ta.getActions();
    JMenuBar menubar = new JMenuBar();
    JMenu actionmenu = new JMenu("Actions");
    menubar.add(actionmenu);

    JMenu firstHalf = new JMenu("1st Half");
    JMenu secondHalf = new JMenu("2nd Half");
    actionmenu.add(firstHalf);
    actionmenu.add(secondHalf);

    int mid = actions.length / 2;
    for (int i = 0; i < mid; i++) {
        firstHalf.add(actions[i]);
    }
    for (int i = mid; i < actions.length; i++) {
        secondHalf.add(actions[i]);
    }

    // Show it . . .
    JFrame f = new JFrame();
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    f.getContentPane().add(ta);
    f.setJMenuBar(menubar);
    f.setSize(300, 200);
    f.setVisible(true);
}

From source file:Main.java

public static void main(String args[]) {
    JTextArea textArea = new JTextArea();

    JFrame f = new JFrame();
    f.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
    DefaultCaret caret = new DefaultCaret() {
        @Override//ww  w. j ava  2  s.  c  om
        public boolean isSelectionVisible() {
            return true;
        }
    };
    textArea.setCaret(caret);
    textArea.setFont(new java.awt.Font("Miriam Fixed", 0, 13));

    Color color = Color.BLUE;
    // textArea.setBackground(color);
    textArea.setSelectedTextColor(color);
    f.getContentPane().add(new JScrollPane(textArea));
    f.pack();
    f.setVisible(true);
}

From source file:Main.java

public static void main(String[] argv) throws Exception {
    JTextArea component = new JTextArea();
    Keymap map = component.getKeymap();

    while (map != null) {
        KeyStroke[] keys = map.getBoundKeyStrokes();

        for (int i = 0; i < keys.length; i++) {
            System.out.println(keys[i].getKeyChar());
            Action action = (Action) map.getAction(keys[i]);
            System.out.println(action);
        }/*from  w  w w  .j a v a 2s .  c  om*/
        Action defAction = map.getDefaultAction();
        System.out.println(defAction);
        map = map.getResolveParent();
    }
}

From source file:Main.java

public static void main(String[] argv) throws Exception {
    JTextArea textArea = new JTextArea();
    JScrollPane pane = new JScrollPane(textArea);

    // Listen for value changes in the scroll pane's scrollbars
    AdjustmentListener listener = new MyAdjustmentListener();
    pane.getHorizontalScrollBar().addAdjustmentListener(listener);
    pane.getVerticalScrollBar().addAdjustmentListener(listener);
}