nsresult
nsRangeUpdater::SelAdjSplitNode(nsIDOMNode *aOldRightNode, PRInt32 aOffset, nsIDOMNode *aNewLeftNode)
{
if (mLock) return NS_OK; // lock set by Will/DidReplaceParent, etc...
NS_ENSURE_TRUE(aOldRightNode && aNewLeftNode, NS_ERROR_NULL_POINTER);
PRUint32 i, count = mArray.Length();
if (!count) {
return NS_OK;
}
nsCOMPtr<nsIDOMNode> parent;
PRInt32 offset;
nsresult result = nsEditor::GetNodeLocation(aOldRightNode, address_of(parent), &offset);
NS_ENSURE_SUCCESS(result, result);
// first part is same as inserting aNewLeftnode
result = SelAdjInsertNode(parent,offset-1);
NS_ENSURE_SUCCESS(result, result);
// next step is to check for range enpoints inside aOldRightNode
nsRangeStore *item;
for (i=0; i<count; i++)
{
item = mArray[i];
NS_ENSURE_TRUE(item, NS_ERROR_NULL_POINTER);
if (item->startNode.get() == aOldRightNode)
{
if (item->startOffset > aOffset)
{
item->startOffset -= aOffset;
}
else
{
item->startNode = aNewLeftNode;
}
}
if (item->endNode.get() == aOldRightNode)
{
if (item->endOffset > aOffset)
{
item->endOffset -= aOffset;
}
else
{
item->endNode = aNewLeftNode;
}
}
}
return NS_OK;
}
nsresult
RangeUpdater::SelAdjSplitNode(nsIContent& aOldRightNode,
int32_t aOffset,
nsIContent* aNewLeftNode)
{
if (mLock) {
// lock set by Will/DidReplaceParent, etc...
return NS_OK;
}
NS_ENSURE_TRUE(aNewLeftNode, NS_ERROR_NULL_POINTER);
size_t count = mArray.Length();
if (!count) {
return NS_OK;
}
nsCOMPtr<nsINode> parent = aOldRightNode.GetParentNode();
int32_t offset = parent ? parent->IndexOf(&aOldRightNode) : -1;
// first part is same as inserting aNewLeftnode
nsresult rv = SelAdjInsertNode(parent, offset - 1);
NS_ENSURE_SUCCESS(rv, rv);
// next step is to check for range enpoints inside aOldRightNode
for (size_t i = 0; i < count; i++) {
RangeItem* item = mArray[i];
NS_ENSURE_TRUE(item, NS_ERROR_NULL_POINTER);
if (item->startNode == &aOldRightNode) {
if (item->startOffset > aOffset) {
item->startOffset -= aOffset;
} else {
item->startNode = aNewLeftNode;
}
}
if (item->endNode == &aOldRightNode) {
if (item->endOffset > aOffset) {
item->endOffset -= aOffset;
} else {
item->endNode = aNewLeftNode;
}
}
}
return NS_OK;
}