/**
* Replaces all instances of the text/regular expression specified in the specified document with
* the specified replacement.
*
* @param textArea The text area in which to search.
* @param context What to search for and all search options.
* @throws PatternSyntaxException If this is a regular expression search but the replacement text
* is an invalid regular expression.
* @throws IndexOutOfBoundsException If this is a regular expression search but the replacement
* text references an invalid group (less than zero or greater than the number of groups
* matched).
* @see #replace(RTextArea, SearchContext)
* @see #find(JTextArea, SearchContext)
*/
public static int replaceAll(RTextArea textArea, SearchContext context)
throws PatternSyntaxException {
String toFind = context.getSearchFor();
if (toFind == null || toFind.length() == 0) {
return 0;
}
int count = 0;
textArea.beginAtomicEdit();
try {
int oldOffs = textArea.getCaretPosition();
textArea.setCaretPosition(0);
while (SearchEngine.replace(textArea, context)) {
count++;
}
if (count == 0) { // If nothing was found, don't move the caret.
textArea.setCaretPosition(oldOffs);
}
} finally {
textArea.endAtomicEdit();
}
return count;
}
public void replace(boolean back) {
SearchContext context = new SearchContext();
String text = this.replaceTextField.getText();
if (text.length() == 0) {
return;
}
String findText = this.findTextField.getText();
context.setSearchFor(findText);
context.setReplaceWith(text);
context.setMatchCase(this.matchCaseCheckBox.isSelected());
context.setRegularExpression(this.regExCheckBox.isSelected());
context.setSearchForward(back);
context.setWholeWord(this.wholeWordsOnlyCheckBox.isSelected());
SearchResult isReplaced = SearchEngine.replace(selectedArea, context);
if (!isReplaced.wasFound()) {
JOptionPane.showMessageDialog(
this, "Unable to replace the text", "DomainMath IDE", JOptionPane.INFORMATION_MESSAGE);
}
}
