Java Utililty Methods JTextComponent Select

List of utility methods to do JTextComponent Select

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Description

The list of methods to do JTextComponent Select are organized into topic(s).

Method

booleanselectLines(JTextComponent target)
If the selection is multi lined, then the full lines are selected, otherwise, nothing is done. 
if (target.getSelectionStart() == target.getSelectionEnd()) {
    return false;
PlainDocument pDoc = (PlainDocument) target.getDocument();
Element es = pDoc.getParagraphElement(target.getSelectionStart());
Element ee = pDoc.getParagraphElement(target.getSelectionEnd() - 1);
if (es.equals(ee) && ee.getEndOffset() != target.getSelectionEnd()) {
    return false;
...
voidtoggleSelectionUpperCase(JTextComponent textPane)
toggle Selection Upper Case 
if (isSelectionUpperCase(textPane)) {
    selectionToLowerCase(textPane);
} else {
    selectionToUpperCase(textPane);
booleanuseSelectedTextColor(Highlighter.Highlight h, JTextComponent c)
Determines whether the SelectedTextColor should be used for painting text foreground for the specified highlight. 
Highlighter.HighlightPainter painter = h.getPainter();
String painterClass = painter.getClass().getName();
if (painterClass.indexOf("javax.swing.text.DefaultHighlighter") != 0
        && painterClass.indexOf("com.sun.java.swing.plaf.windows.WindowsTextUI") != 0) {
    return false;
try {
    DefaultHighlighter.DefaultHighlightPainter defPainter = (DefaultHighlighter.DefaultHighlightPainter) painter;
...