/**
* @return int
* @param node org.eclipse.wst.css.core.model.interfaces.ICSSNode
* @param insertPos int
*/
public int getLengthToReformatBefore(ICSSNode node, int insertPos) {
if (node == null) return 0;
IndexedRegion nnode = (IndexedRegion) node;
if (insertPos <= 0 || !nnode.contains(insertPos - 1)) return 0;
IStructuredDocumentRegion flatNode =
node.getOwnerDocument()
.getModel()
.getStructuredDocument()
.getRegionAtCharacterOffset(insertPos - 1);
if (flatNode == null) return 0;
ITextRegion region = flatNode.getRegionAtCharacterOffset(insertPos - 1);
if (region == null) return 0;
RegionIterator it = new RegionIterator(flatNode, region);
boolean found = false;
while (it.hasPrev()) {
region = it.prev();
// if (region.getType() != CSSRegionContexts.CSS_S &&
// region.getType() != CSSRegionContexts.CSS_DELIMITER &&
// region.getType() !=
// CSSRegionContexts.CSS_DECLARATION_DELIMITER) {
if (region.getType() != CSSRegionContexts.CSS_S) {
found = true;
break;
}
}
int pos =
insertPos
- (found
? it.getStructuredDocumentRegion().getTextEndOffset(region)
: it.getStructuredDocumentRegion().getStartOffset(region));
// flatNode = it.getStructuredDocumentRegion();
// if (found) {
// if (region.getLength() != region.getTextLength()) {
// pos = insertPos - flatNode.getTextEndOffset(region);
// } else {
// pos = insertPos - flatNode.getEndOffset(region);
// }
// } else {
// pos = insertPos - flatNode.getStartOffset(region);
// }
return (pos >= 0) ? pos : 0;
}
protected CompoundRegion[] getOutsideRegions(IStructuredDocument model, IRegion reg) {
CompoundRegion[] ret = new CompoundRegion[2];
RegionIterator it = new RegionIterator(model, reg.getOffset());
it.prev();
if (it.hasPrev()) {
ITextRegion textRegion = it.prev();
IStructuredDocumentRegion documentRegion = it.getStructuredDocumentRegion();
ret[0] = new CompoundRegion(documentRegion, textRegion);
} else {
ret[0] = null;
}
it.reset(model, reg.getOffset() + reg.getLength());
if (it.hasNext()) {
ITextRegion textRegion = it.next();
IStructuredDocumentRegion documentRegion = it.getStructuredDocumentRegion();
ret[1] = new CompoundRegion(documentRegion, textRegion);
} else {
ret[1] = null;
}
return ret;
}