public void deleteNextChar() throws DocumentValidationException {
if (this.hasSelection()) {
this.deleteSelection();
} else {
int offset = this.getCaretOffset();
VEXDocument doc = this.getDocument();
int n = doc.getLength() - 1;
VEXElement element = doc.getElementAt(offset);
if (offset == n) {
// nop
} else if (this.isBetweenMatchingElements(offset)) {
this.joinElementsAt(offset);
} else if (this.isBetweenMatchingElements(offset + 1)) {
this.joinElementsAt(offset + 1);
} else if (element.isEmpty()) {
// deleting the right sentinel of an empty element
// so just delete the whole element an move on
this.moveTo(offset - 1, false);
this.moveTo(offset + 1, true);
this.deleteSelection();
} else if (doc.getElementAt(offset + 1).isEmpty()) {
// deleting the left sentinel of an empty element
// so just delete the whole element an move on
this.moveTo(offset + 2, true);
this.deleteSelection();
} else {
if (doc.getCharacterAt(offset) != 0) {
this.moveTo(offset, false);
this.moveTo(offset + 1, true);
this.deleteSelection();
}
}
}
}
public void moveToNextWord(boolean select) {
VEXDocument doc = this.getDocument();
int n = doc.getLength() - 1;
int offset = this.getCaretOffset();
while (offset < n && !Character.isLetterOrDigit(doc.getCharacterAt(offset))) {
offset++;
}
while (offset < n && Character.isLetterOrDigit(doc.getCharacterAt(offset))) {
offset++;
}
this.moveTo(offset, select);
}
public void selectWord() {
VEXDocument doc = this.getDocument();
int startOffset = this.getCaretOffset();
int endOffset = this.getCaretOffset();
while (startOffset > 1 && Character.isLetterOrDigit(doc.getCharacterAt(startOffset - 1))) {
startOffset--;
}
int n = doc.getLength() - 1;
while (endOffset < n && Character.isLetterOrDigit(doc.getCharacterAt(endOffset))) {
endOffset++;
}
if (startOffset < endOffset) {
this.moveTo(startOffset, false);
this.moveTo(endOffset, true);
}
}