Example usage for javax.swing JTextArea append

Introduction

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

Prototype

public void append(String str) 

Source Link

Document

Appends the given text to the end of the document.

Usage

From source file:Main.java

public static void main(String[] argv) {
    JTextArea ta = new JTextArea("Initial Text");
    ta.append("some text");

}

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From source file:Main.java

public static void main(String[] args) {
    String text = "one two three four five six seven eight nine ten ";
    JTextArea textArea = new JTextArea(text);
    textArea.setColumns(30);/*from w  w w.  j a v a 2 s . c  om*/
    textArea.setLineWrap(true);
    textArea.setWrapStyleWord(true);
    textArea.append(text);
    textArea.append(text);
    textArea.append(text);
    textArea.append(text);
    textArea.append(text);
    textArea.setSize(textArea.getPreferredSize().width, 1);
    JOptionPane.showMessageDialog(null, new JScrollPane(textArea), "Not Truncated!",
            JOptionPane.WARNING_MESSAGE);
}

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From source file:ScrollPaneWatermark.java

public static void main(String[] args) throws Exception {
    JFrame frame = new JFrame();

    JTextArea ta = new JTextArea();
    for (int i = 0; i < 1000; i++) {
        ta.append(Integer.toString(i) + "  ");
    }//w w  w  .  ja v a  2 s. c  o m

    ta.setLineWrap(true);
    ta.setWrapStyleWord(true);
    // ta.setOpaque(false);

    ScrollPaneWatermark watermark = new ScrollPaneWatermark();
    watermark.setBackgroundTexture(new File("background.jpg").toURL());
    watermark.setForegroundBadge(new File("foreground.png").toURL());
    watermark.setView(ta);

    JScrollPane scroll = new JScrollPane();
    scroll.setViewport(watermark);

    frame.getContentPane().add(scroll);
    frame.pack();
    frame.setSize(600, 600);
    frame.setVisible(true);
}

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From source file:PrintUIWindow.java

public static void main(String args[]) {
    UIManager.put("swing.boldMetal", Boolean.FALSE);
    JFrame f = new JFrame("Print UI Example");
    f.addWindowListener(new WindowAdapter() {
        public void windowClosing(WindowEvent e) {
            System.exit(0);/*from  w  w w. j  a  va  2 s. c  o m*/
        }
    });
    JTextArea text = new JTextArea(50, 20);
    for (int i = 1; i <= 50; i++) {
        text.append("Line " + i + "\n");
    }
    JScrollPane pane = new JScrollPane(text);
    pane.setPreferredSize(new Dimension(250, 200));
    f.add("Center", pane);
    JButton printButton = new JButton("Print This Window");
    printButton.addActionListener(new PrintUIWindow(f));
    f.add("South", printButton);
    f.pack();
    f.setVisible(true);
}

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From source file:MainClass.java

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

    ta.append("www.\n");
    ta.append("java2s\n");
    ta.append(".com");

    try {
        for (int n = 0; n < ta.getLineCount(); n += 1)
            System.out.println("line " + n + " starts at " + ta.getLineStartOffset(n) + ", ends at "
                    + ta.getLineEndOffset(n));
        System.out.println();

        int n = 0;
        while (true) {
            System.out.print("offset " + n + " is on ");
            System.out.println("line " + ta.getLineOfOffset(n));
            n += 1;
        }
    } catch (BadLocationException ex) {
        System.out.println(ex);
    }

    JFrame f = new JFrame();
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    f.getContentPane().add(scroll, java.awt.BorderLayout.CENTER);
    f.setSize(150, 150);
    f.setVisible(true);
}

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From source file:Main.java

public static void main(String[] args) {
    JTextArea cmp = new JTextArea();
    String str = "a";
    for (int i = 0; i < 20; i++) {
        cmp.append(str + str + "\n");
    }//from w  w w .j  a va  2  s  .  co  m
    JScrollPane scrollPane = new JScrollPane(cmp);
    scrollPane.setComponentZOrder(scrollPane.getVerticalScrollBar(), 0);
    scrollPane.setComponentZOrder(scrollPane.getViewport(), 1);
    scrollPane.getVerticalScrollBar().setOpaque(false);

    scrollPane.setLayout(new ScrollPaneLayout() {
        @Override
        public void layoutContainer(Container parent) {
            JScrollPane scrollPane = (JScrollPane) parent;

            Rectangle availR = scrollPane.getBounds();
            availR.x = availR.y = 0;

            Insets parentInsets = parent.getInsets();
            availR.x = parentInsets.left;
            availR.y = parentInsets.top;
            availR.width -= parentInsets.left + parentInsets.right;
            availR.height -= parentInsets.top + parentInsets.bottom;

            Rectangle vsbR = new Rectangle();
            vsbR.width = 12;
            vsbR.height = availR.height;
            vsbR.x = availR.x + availR.width - vsbR.width;
            vsbR.y = availR.y;

            if (viewport != null) {
                viewport.setBounds(availR);
            }
            if (vsb != null) {
                vsb.setVisible(true);
                vsb.setBounds(vsbR);
            }
        }
    });
    scrollPane.getVerticalScrollBar().setUI(new MyScrollBarUI());

    JFrame f = new JFrame();
    f.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
    f.getContentPane().add(scrollPane);
    f.setSize(320, 240);
    f.setVisible(true);
}

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From source file:OffsetTest.java

public static void main(String[] args) {
    JTextArea ta = new JTextArea();
    ta.setLineWrap(true);//from www. j  a  v a2  s.com
    ta.setWrapStyleWord(true);
    JScrollPane scroll = new JScrollPane(ta);

    // Add three lines of text to the JTextArea.
    ta.append("The first line.\n");
    ta.append("Line Two!\n");
    ta.append("This is the 3rd line of this document.");

    // Print some results . . .
    try {
        for (int n = 0; n < ta.getLineCount(); n += 1)
            System.out.println("line " + n + " starts at " + ta.getLineStartOffset(n) + ", ends at "
                    + ta.getLineEndOffset(n));
        System.out.println();

        int n = 0;
        while (true) {
            System.out.print("offset " + n + " is on ");
            System.out.println("line " + ta.getLineOfOffset(n));
            n += 13;
        }
    } catch (BadLocationException ex) {
        System.out.println(ex);
    }

    // Layout . . .
    JFrame f = new JFrame();
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    f.getContentPane().add(scroll, java.awt.BorderLayout.CENTER);
    f.setSize(150, 150);
    f.setVisible(true);
}

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From source file:Main.java

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

    JTextArea textArea = new JTextArea();
    f.add(new JScrollPane(textArea), BorderLayout.CENTER);

    Timer timer = new Timer(1000, new ActionListener() {
        @Override/*from  w  w  w .j av  a  2  s .  c  om*/
        public void actionPerformed(ActionEvent e) {
            textArea.append("bla");
        }
    });
    timer.setRepeats(true);
    timer.start();
    JButton button = new JButton("Click me");
    button.addActionListener(e -> {
        System.out.println("Before option pane");
        JOptionPane.showMessageDialog(f, "A message dialog");
        System.out.println("After option pane");
    });
    f.add(button, BorderLayout.SOUTH);
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    f.pack();
    f.setVisible(true);
}

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From source file:EditComboBox.java

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

    final JComboBox comboBox = new JComboBox(labels);
    comboBox.setMaximumRowCount(5);//from  w  w w  .ja  v a  2 s  .  com
    comboBox.setEditable(true);
    contentPane.add(comboBox, BorderLayout.NORTH);

    final JTextArea textArea = new JTextArea();
    JScrollPane scrollPane = new JScrollPane(textArea);
    contentPane.add(scrollPane, BorderLayout.CENTER);

    ActionListener actionListener = new ActionListener() {
        public void actionPerformed(ActionEvent actionEvent) {
            textArea.append("Selected: " + comboBox.getSelectedItem());
            textArea.append(", Position: " + comboBox.getSelectedIndex());
            textArea.append(System.getProperty("line.separator"));
        }
    };
    comboBox.addActionListener(actionListener);

    frame.setSize(300, 200);
    frame.setVisible(true);
}

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From source file:Main.java

public static void main(String[] args) {
    JProgressBar pb = new JProgressBar();
    JTextArea ta = new JTextArea(10, 20);

    JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.setLayout(new BorderLayout());
    frame.add(new JScrollPane(ta));
    frame.add(pb, BorderLayout.SOUTH);
    frame.pack();//  w w  w . j a  va  2 s .  c o  m
    frame.setVisible(true);

    Timer timer = new Timer(250, new ActionListener() {
        @Override
        public void actionPerformed(ActionEvent e) {
            index++;
            if (index >= 100) {
                ((Timer) (e.getSource())).stop();
            }
            ta.append("Line " + index + "\n");
            pb.setValue(index);
        }
    });
    timer.setRepeats(true);
    timer.setCoalesce(true);
    timer.start();
}

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