private void outdentText(JTextComponent textComponent) throws BadLocationException {
int tabSize =
((Integer) textComponent.getDocument().getProperty(PlainDocument.tabSizeAttribute))
.intValue();
String selectedText = textComponent.getSelectedText();
int newLineIndex = selectedText != null ? selectedText.indexOf('\n') : -1;
if (newLineIndex >= 0) {
int originalSelectionStart = textComponent.getSelectionStart();
int selectionStart = originalSelectionStart;
int selectionEnd = textComponent.getSelectionEnd();
int lastNewLineBeforeSelection = textComponent.getText(0, selectionStart).lastIndexOf('\n');
int begin = lastNewLineBeforeSelection >= 0 ? lastNewLineBeforeSelection : 0;
int end = selectionEnd;
String text = textComponent.getText(begin, end - begin);
if (lastNewLineBeforeSelection < 0) {
text = "\n" + text;
}
int len = text.length();
StringBuffer out = new StringBuffer(len);
for (int i = 0; i < len; i++) {
char ch = text.charAt(i);
out.append(ch);
if (ch == '\n' && i < len - 1) {
char next = text.charAt(i + 1);
int stripCount = 0;
if (next == '\t') {
stripCount = 1;
} else {
for (; stripCount < tabSize && i + 1 + stripCount < len; stripCount++) {
next = text.charAt(i + 1 + stripCount);
if (next != ' ' && next != '\t') {
break;
}
}
}
selectionEnd -= stripCount;
if (i + begin < originalSelectionStart - 1) {
selectionStart -= stripCount;
}
i += stripCount;
}
}
textComponent.select(begin, end);
textComponent.replaceSelection(
lastNewLineBeforeSelection < 0 ? out.toString().substring(1) : out.toString());
textComponent.select(selectionStart, selectionEnd);
}
}
/** See if edit value is valid, put error message in buff. */
protected boolean _validate(StringBuffer buff) {
String editValue = tf.getText().trim();
if (editValue.length() == 0) return true; // empty ok
try {
new TimeDuration(tf.getText());
return true;
} catch (java.text.ParseException e) {
buff.append(label).append(": ").append(e.getMessage());
return false;
}
}
// get current value from editComponent
protected Object getEditValue() {
String editValue = tf.getText().trim();
if (editValue.length() == 0) return null; // empty ok
try {
return new TimeDuration(editValue);
} catch (java.text.ParseException e) {
return null;
}
}
private void indentText(JTextComponent textComponent) throws BadLocationException {
String selectedText = textComponent.getSelectedText();
int newLineIndex = selectedText != null ? selectedText.indexOf('\n') : -1;
if (newLineIndex >= 0) {
int originalSelectionStart = textComponent.getSelectionStart();
int selectionStart = originalSelectionStart;
int selectionEnd = textComponent.getSelectionEnd();
int lastNewLineBeforeSelection = textComponent.getText(0, selectionStart).lastIndexOf('\n');
int begin = lastNewLineBeforeSelection >= 0 ? lastNewLineBeforeSelection : 0;
int end = selectionEnd;
String text = textComponent.getText(begin, end - begin);
int len = text.length();
StringBuffer out = new StringBuffer(len);
if (lastNewLineBeforeSelection < 0) {
out.insert(0, '\t');
selectionStart++;
selectionEnd++;
}
for (int i = 0; i < len; i++) {
char ch = text.charAt(i);
out.append(ch);
if (ch == '\n' && i < len - 1) {
out.append("\t");
selectionEnd++;
if (begin + i < originalSelectionStart) {
selectionStart++;
}
}
}
textComponent.select(begin, end);
textComponent.replaceSelection(out.toString());
textComponent.select(selectionStart, selectionEnd);
} else {
textComponent.replaceSelection("\t");
}
}
public static void setHexadecimalInputFilter(
JTextComponent textComponent, int maximumInputLength) {
PlainDocument plainDocument = (PlainDocument) textComponent.getDocument();
plainDocument.setDocumentFilter(new HexadecimalInputFilter(maximumInputLength));
String text = textComponent.getText();
text = trimHexadecimal(text);
if (text.length() > maximumInputLength) {
textComponent.setText(text.substring(text.length() - maximumInputLength, text.length()));
} else {
while (text.length() < maximumInputLength) {
text = "0" + text;
}
textComponent.setText(text);
}
}
String getText() {
return textComponent.getText();
}
@Override
public void replace(FilterBypass fb, int i, int i1, String string, AttributeSet as)
throws BadLocationException {
for (int n = string.length(); n > 0; n--) {
char c = string.charAt(n - 1);
switch (filterType) {
case ALPHA:
if ((Character.isAlphabetic(c))
&& (maxLength < 0 || this.textComponent.getText().length() < maxLength))
super.replace(fb, i, i1, String.valueOf(c), as);
break;
case NUMERIC:
if ((Character.isDigit(c))
&& (maxLength < 0 || this.textComponent.getText().length() < maxLength))
super.replace(fb, i, i1, String.valueOf(c), as);
break;
case ALPHANUMERIC:
if ((Character.isAlphabetic(c) || Character.isDigit(c))
&& (maxLength < 0 || this.textComponent.getText().length() < maxLength))
super.replace(fb, i, i1, String.valueOf(c), as);
break;
case ALPHA_SPACE:
if ((Character.isAlphabetic(c) || c == ' ')
&& (maxLength < 0 || this.textComponent.getText().length() < maxLength))
super.replace(fb, i, i1, String.valueOf(c), as);
break;
case NUMERIC_SPACE:
if ((Character.isDigit(c) || c == ' ')
&& (maxLength < 0 || this.textComponent.getText().length() < maxLength))
super.replace(fb, i, i1, String.valueOf(c), as);
break;
case ALPHANUMERIC_SPACE:
if ((Character.isAlphabetic(c) || Character.isDigit(c) || c == ' ')
&& (maxLength < 0 || this.textComponent.getText().length() < maxLength))
super.replace(fb, i, i1, String.valueOf(c), as);
break;
case NO_HTML:
if ((!isOneOfChars(c, '<', '>', '&'))
&& (maxLength < 0 || this.textComponent.getText().length() < maxLength))
super.replace(fb, i, i1, String.valueOf(c), as);
break;
case EMAIL:
if ((Character.isAlphabetic(c)
|| Character.isDigit(c)
|| isOneOfChars(
c, '.', '!', '@', '_', '-', '+', '#', '$', '?', '=', '%', '\'', '*', '^',
'`', '{', '|', '}', '~'))
&& (maxLength < 0 || this.textComponent.getText().length() < maxLength))
super.replace(fb, i, i1, String.valueOf(c), as);
break;
case FILENAME:
if ((Character.isAlphabetic(c) || Character.isDigit(c) || isOneOfChars(c, '_', '-'))
&& (maxLength < 0 || this.textComponent.getText().length() < maxLength))
super.replace(fb, i, i1, String.valueOf(c), as);
break;
default:
if (maxLength < 0 || this.textComponent.getText().length() < maxLength)
super.replace(fb, i, i1, String.valueOf(c), as);
break;
}
}
if (listener != null) listener.lengthChanged(textComponent.getText().length(), textComponent);
}
@Override
public void remove(FilterBypass fb, int i, int i1) throws BadLocationException {
super.remove(fb, i, i1);
if (listener != null) listener.lengthChanged(textComponent.getText().length(), textComponent);
}
