scrollToPage method
Implementation
void scrollToPage(int pageNum) {
if (pageNum <= 0 ||
pageNum > _pageViews.length ||
viewerContainer == null) {
return;
}
final pageDiv = _pageViews[pageNum - 1].div;
final container = viewerContainer!;
if (container.scrollHeight > container.clientHeight) {
container.scrollTop = pageDiv.offsetTop;
} else {
pageDiv.scrollIntoView();
}
_setCurrentPage(pageNum);
}