Example usage for javax.swing JTextArea getLineEndOffset

Introduction

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

Prototype

public int getLineEndOffset(int line) throws BadLocationException 

Source Link

Document

Determines the offset of the end of the given line.

Usage

From source file:MainClass.java

public static void main(String[] args) {
    JTextArea ta = new JTextArea();
    ta.setLineWrap(true);//from ww w  .ja  v a 2  s .  com
    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:OffsetTest.java

public static void main(String[] args) {
    JTextArea ta = new JTextArea();
    ta.setLineWrap(true);/*from   w  ww.ja va  2 s.  c o  m*/
    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:com.prodigy4440.view.MainJFrame.java

public static String[] getTextLineByLine(JTextArea area) {
    int numberOfLine = area.getLineCount();
    String resultString[] = new String[numberOfLine];
    String text = area.getText();
    for (int i = 0; i < numberOfLine; i++) {
        try {/*from w w w.  j av a2  s . c  o  m*/
            int start = area.getLineStartOffset(i);
            int end = area.getLineEndOffset(i);

            String line = text.substring(start, end);
            resultString[i] = line;
        } catch (BadLocationException ex) {
            Logger.getLogger(MainJFrame.class.getName()).log(Level.SEVERE, null, ex);
        }
    }

    return resultString;
}

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