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(Document doc)

Source Link

Document

Constructs a new JTextArea with the given document model, and defaults for all of the other arguments (null, 0, 0).

Usage

From source file:Main.java

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

}

From source file:Main.java

public static void main(String[] argv) {
    JTextArea ta = new JTextArea("Initial Text");
    int pos = 5;//from   ww w  .j  av a 2  s. c  o m
    ta.insert("some text", pos);

}

From source file:Main.java

public static void main(String[] argv) {
    JTextArea ta = new JTextArea("Initial Text");
    int start = 0;
    int end = 3;/*from  w w  w.  j  ava2 s  .co  m*/
    ta.replaceRange("new text", start, end);
}

From source file:Main.java

public static void main(String[] argv) {
    JTextArea ta = new JTextArea("Initial Text");
    int start = 0;
    int end = 5;// www . ja v a 2  s. c  o m
    ta.replaceRange(null, start, end);
}

From source file:Main.java

public static void main(String[] argv) {

    // Create the text area
    JTextArea ta = new JTextArea("Initial Text");

    // Insert some text at the beginning
    int pos = 0;/*from w w w.  j  a  v a 2 s.co m*/
    ta.insert("some text", pos);

}

From source file:Main.java

public static void main(String[] argv) {
    // Create a text area with some initial text
    JTextArea textarea = new JTextArea("Initial Text");

    int rows = 20;
    int cols = 30;
    textarea = new JTextArea("Initial Text", rows, cols);

}

From source file:Main.java

public static void main(String[] argv) throws Exception {
    JTextArea textArea = new JTextArea("word1 word2\nword3\nword4");
    Element paragraph = textArea.getDocument().getDefaultRootElement();
    int contentCount = paragraph.getElementCount();
    for (int i = 0; i < contentCount; i++) {
        Element e = paragraph.getElement(i);
        int rangeStart = e.getStartOffset();
        int rangeEnd = e.getEndOffset();
        String line = textArea.getText(rangeStart, rangeEnd - rangeStart);
        System.out.println(line);
    }/*from  w ww. jav  a2  s  . co m*/
}

From source file:Main.java

public static void main(String[] argv) throws Exception {
    JTextComponent tc = new JTextArea("Initial Text");
    int docLength = tc.getDocument().getLength();

    String text = tc.getText();/*from www  . ja  v a2  s . c o m*/

    // Get the last 3 characters
    int offset = docLength - 3;
    int len = 3;
    text = tc.getText(offset, len);

}

From source file:Main.java

public static void main(String[] argv) throws Exception {
    JTextComponent tc = new JTextArea("Initial Text");
    int docLength = tc.getDocument().getLength();

    // Get all text
    String text = tc.getText();//www. j  av  a  2 s .c  o  m

    // Get the first 3 characters
    int offset = 0;
    int len = 3;
    text = tc.getText(offset, len);

}

From source file:Main.java

public static void main(String[] argv) throws Exception {
    JTextArea textArea = new JTextArea("word1 word2\nword3\nword4");
    Document doc = textArea.getDocument();
    ElementIterator it = new ElementIterator(doc.getDefaultRootElement());
    Element e;//ww  w.  j a v  a 2  s  .  co m
    while ((e = it.next()) != null) {
        if (e.isLeaf()) {
            int rangeStart = e.getStartOffset();
            int rangeEnd = e.getEndOffset();

            String line = textArea.getText(rangeStart, rangeEnd - rangeStart);
            System.out.println(line);
        }
    }
}