nsresult
nsAutoCompleteController::GetResultValueAt(PRInt32 aIndex, PRBool aValueOnly, nsAString & _retval)
{
NS_ENSURE_TRUE(aIndex >= 0 && (PRUint32) aIndex < mRowCount, NS_ERROR_ILLEGAL_VALUE);
PRInt32 searchIndex;
PRInt32 rowIndex;
RowIndexToSearch(aIndex, &searchIndex, &rowIndex);
NS_ENSURE_TRUE(searchIndex >= 0 && rowIndex >= 0, NS_ERROR_FAILURE);
nsIAutoCompleteResult *result = mResults[searchIndex];
NS_ENSURE_TRUE(result != nsnull, NS_ERROR_FAILURE);
PRUint16 searchResult;
result->GetSearchResult(&searchResult);
if (searchResult == nsIAutoCompleteResult::RESULT_FAILURE) {
if (aValueOnly)
return NS_ERROR_FAILURE;
result->GetErrorDescription(_retval);
} else if (searchResult == nsIAutoCompleteResult::RESULT_SUCCESS ||
searchResult == nsIAutoCompleteResult::RESULT_SUCCESS_ONGOING) {
result->GetValueAt(rowIndex, _retval);
}
return NS_OK;
}
nsresult
nsAutoCompleteController::GetResultAt(PRInt32 aIndex, nsIAutoCompleteResult** aResult,
PRInt32* aRowIndex)
{
PRInt32 searchIndex;
RowIndexToSearch(aIndex, &searchIndex, aRowIndex);
NS_ENSURE_TRUE(searchIndex >= 0 && *aRowIndex >= 0, NS_ERROR_FAILURE);
*aResult = mResults[searchIndex];
NS_ENSURE_TRUE(*aResult, NS_ERROR_FAILURE);
return NS_OK;
}
NS_IMETHODIMP
nsAutoCompleteController::GetImageAt(PRInt32 aIndex, nsAString & _retval)
{
PRInt32 searchIndex;
PRInt32 rowIndex;
RowIndexToSearch(aIndex, &searchIndex, &rowIndex);
NS_ENSURE_TRUE(searchIndex >= 0 && rowIndex >= 0, NS_ERROR_FAILURE);
nsIAutoCompleteResult *result = mResults[searchIndex];
NS_ENSURE_TRUE(result, NS_ERROR_FAILURE);
return result->GetImageAt(rowIndex, _retval);
}
NS_IMETHODIMP
nsAutoCompleteController::HandleDelete(bool *_retval)
{
*_retval = false;
if (!mInput)
return NS_OK;
nsCOMPtr<nsIAutoCompleteInput> input(mInput);
bool isOpen = false;
input->GetPopupOpen(&isOpen);
if (!isOpen || mRowCount <= 0) {
// Nothing left to delete, proceed as normal
HandleText();
return NS_OK;
}
nsCOMPtr<nsIAutoCompletePopup> popup;
input->GetPopup(getter_AddRefs(popup));
PRInt32 index, searchIndex, rowIndex;
popup->GetSelectedIndex(&index);
RowIndexToSearch(index, &searchIndex, &rowIndex);
NS_ENSURE_TRUE(searchIndex >= 0 && rowIndex >= 0, NS_ERROR_FAILURE);
nsIAutoCompleteResult *result = mResults[searchIndex];
NS_ENSURE_TRUE(result, NS_ERROR_FAILURE);
nsAutoString search;
input->GetSearchParam(search);
// Clear the row in our result and in the DB.
result->RemoveValueAt(rowIndex, true);
--mRowCount;
// We removed it, so make sure we cancel the event that triggered this call.
*_retval = true;
// Unselect the current item.
popup->SetSelectedIndex(-1);
// Tell the tree that the row count changed.
if (mTree)
mTree->RowCountChanged(mRowCount, -1);
// Adjust index, if needed.
if (index >= (PRInt32)mRowCount)
index = mRowCount - 1;
if (mRowCount > 0) {
// There are still rows in the popup, select the current index again.
popup->SetSelectedIndex(index);
// Complete to the new current value.
bool shouldComplete = false;
mInput->GetCompleteDefaultIndex(&shouldComplete);
if (shouldComplete) {
nsAutoString value;
if (NS_SUCCEEDED(GetResultValueAt(index, true, value))) {
CompleteValue(value);
}
}
// Invalidate the popup.
popup->Invalidate();
} else {
// Nothing left in the popup, clear any pending search timers and
// close the popup.
ClearSearchTimer();
ClosePopup();
}
return NS_OK;
}