/**
* Deletes from offset in this to endOffset in delTo. Uses ModelList.collapse to perform quick
* deletion.
*
* @param delTo iterator whose endpoint is the last character to delete
* @return new offset
*/
int deleteRight(Iterator delTo) {
collapse(delTo);
// if both pointing to same item, and it's a gap
if (eq(delTo) && current().isGap()) {
// inside gap
current().shrink(delTo.getBlockOffset() - getBlockOffset());
return getBlockOffset();
}
// if brace is multiple char it must be a comment because the above if
// test guarrantees it can't be a gap.
if (!eq(delTo)) clipLeft();
delTo.clipRight();
if (!atStart()) prev();
int delToSizeCurr;
String delToTypeCurr;
if (delTo.atEnd()) {
setTo(delTo);
return 0;
} else {
delToSizeCurr = delTo.current().getSize();
delToTypeCurr = delTo.current().getType();
}
// get info on previous item.
delTo.prev(); // get stats on previous item
int delToSizePrev;
String delToTypePrev;
if (delTo.atStart()) { // no previous item, can't be at end
delTo.next();
setTo(delTo);
return 0;
} else {
delToSizePrev = delTo.current().getSize();
delToTypePrev = delTo.current().getType();
}
delTo.next(); // put delTo back on original node
int temp =
_calculateOffset(delToSizePrev, delToTypePrev, delToSizeCurr, delToTypeCurr, delTo);
this.setTo(delTo);
return temp;
}
