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

voidaddSelectAllTextOnFocus(final JTextComponent component)
add Select All Text On Focus 
component.addFocusListener(new FocusAdapter() {
    public void focusGained(FocusEvent e) {
        component.selectAll();
});
voidfocusSelect(final JTextComponent tf)
focus Select 
tf.addFocusListener(new FocusAdapter() {
    public void focusGained(FocusEvent e) {
        tf.selectAll();
});
booleanisSelectionUpperCase(JTextComponent textPane)
is Selection Upper Case 
String text = textPane.getSelectedText();
byte[] bytes = text.getBytes();
for (int i = 0; i < bytes.length; i++) {
    if (Character.isLowerCase((char) bytes[i])) {
        return false;
return true;
...
voidreplaceSelectionAndSelect(JTextComponent component, String text)
replace Selection And Select 
int position = Math.min(component.getSelectionStart(), component.getSelectionEnd());
component.replaceSelection(text);
component.setCaretPosition(position);
component.moveCaretPosition(position + text.length());
voidselectAll(final JTextComponent textComponent)
Selects all contents of a text component. 
if (!textComponent.hasFocus()) {
    textComponent.requestFocus();
textComponent.selectAll();
voidselectAll(JTextComponent textComponent)
select All 
textComponent.selectAll();
voidselectAllOnFocus(JTextComponent textComponent)
select All On Focus 
textComponent.addFocusListener(SELECT_ALL_FOCUS_LISTENER);
voidselectAndRequestFocus(JTextComponent editor)
select And Request Focus 
editor.requestFocusInWindow();
editor.selectAll();
voidselectFirstArg(String strText, int initialSelectionStart, JTextComponent editor)
select First Arg 
int firstParen = strText.indexOf("(");
if (firstParen >= 0 && firstParen < strText.indexOf(")")) {
    int startPos = initialSelectionStart + firstParen + 1;
    editor.setCaretPosition(startPos);
voidselectionToUpperCase(JTextComponent textPane)
selection To Upper Case 
int start = textPane.getSelectionStart();
int end = textPane.getSelectionEnd();
if (Math.abs(start - end) > 0) {
    String upper = textPane.getSelectedText().toUpperCase();
    textPane.replaceSelection(upper);
    textPane.setCaretPosition(start);
    textPane.moveCaretPosition(end);