void ZLTextView::gotoParagraph(int num, bool end) {
if (myModel.isNull()) {
return;
}
if (!startCursor().isNull() &&
startCursor().isStartOfParagraph() &&
startCursor().paragraphCursor().isFirst() &&
(num >= (int)startCursor().paragraphCursor().index()) &&
!endCursor().isNull() &&
endCursor().isEndOfParagraph() &&
endCursor().paragraphCursor().isLast() &&
(num <= (int)endCursor().paragraphCursor().index())) {
return;
}
if (myModel->kind() == ZLTextModel::TREE_MODEL) {
if ((num >= 0) && (num < (int)myModel->paragraphsNumber())) {
ZLTextTreeParagraph *tp = (ZLTextTreeParagraph*)(*myModel)[num];
if (myTreeStateIsFrozen) {
int corrected = num;
ZLTextTreeParagraph *visible = tp;
for (ZLTextTreeParagraph *parent = tp->parent(); parent != 0; parent = parent->parent()) {
if (!parent->isOpen()) {
visible = parent;
}
}
if (visible != tp) {
for (--corrected; ((corrected > 0) && visible != (*myModel)[corrected]); --corrected) {
}
}
if (end && (corrected != num)) {
++corrected;
}
num = corrected;
} else {
tp->openTree();
rebuildPaintInfo(true);
}
}
}
if (end) {
if ((num > 0) && (num <= (int)myModel->paragraphsNumber())) {
moveEndCursor(num);
}
} else {
if ((num >= 0) && (num < (int)myModel->paragraphsNumber())) {
moveStartCursor(num);
}
}
}
void ZLTextView::gotoPage(size_t index) {
const size_t symbolIndex = index * 2048 - 128;
std::vector<size_t>::const_iterator it = std::lower_bound(myTextSize.begin(), myTextSize.end(), symbolIndex);
std::vector<size_t>::const_iterator i = nextBreakIterator();
const size_t startIndex = (i != myTextBreaks.begin()) ? *(i - 1) : 0;
const size_t endIndex = (i != myTextBreaks.end()) ? *i : myModel->paragraphsNumber();
size_t paragraphNumber = std::min((size_t)(it - myTextSize.begin()), endIndex) - 1;
gotoParagraph(paragraphNumber, true);
preparePaintInfo();
const ZLTextWordCursor &cursor = endCursor();
if (!cursor.isNull() && (paragraphNumber == cursor.paragraphCursor().index())) {
if (!cursor.paragraphCursor().isLast() || !cursor.isEndOfParagraph()) {
size_t paragraphLength = cursor.paragraphCursor().paragraphLength();
if (paragraphLength > 0) {
size_t wordNum =
(myTextSize[startIndex] + symbolIndex - myTextSize[paragraphNumber]) *
paragraphLength / (myTextSize[endIndex] - myTextSize[startIndex]);
moveEndCursor(cursor.paragraphCursor().index(), wordNum, 0);
}
}
}
}
void ZLTextView::gotoParagraph(int num, bool last) {
if (myModel.isNull()) {
return;
}
if (myModel->kind() == ZLTextModel::TREE_MODEL) {
if ((num >= 0) && (num < (int)myModel->paragraphsNumber())) {
ZLTextTreeParagraph *tp = (ZLTextTreeParagraph*)(*myModel)[num];
if (myTreeStateIsFrozen) {
int corrected = num;
ZLTextTreeParagraph *parent = tp->parent();
while ((corrected > 0) && (parent != 0) && !parent->isOpen()) {
for (--corrected; ((corrected > 0) && parent != (*myModel)[corrected]); --corrected);
parent = parent->parent();
}
if (last && (corrected != num)) {
++corrected;
}
num = corrected;
} else {
tp->openTree();
rebuildPaintInfo(true);
}
}
}
if (last) {
if ((num > 0) && (num <= (int)myModel->paragraphsNumber())) {
moveEndCursor(num);
}
} else {
if ((num >= 0) && (num < (int)myModel->paragraphsNumber())) {
moveStartCursor(num);
}
}
}
