extractPlaceholderSpans method
Implementation
void extractPlaceholderSpans(InlineSpan span) {
_placeholderSpans = <PlaceholderSpan>[];
span.visitChildren((InlineSpan span) {
if (span is PlaceholderSpan) {
final PlaceholderSpan placeholderSpan = span;
_placeholderSpans.add(placeholderSpan);
}
if (span is SpecialInlineSpanBase) {
_hasSpecialInlineSpanBase = true;
}
return true;
});
}