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Make YYTextView support AutoLayout #951

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Make YYTextView support AutoLayout #951

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21 changes: 21 additions & 0 deletions YYText/YYTextView.m
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Original file line number Diff line number Diff line change
Expand Up @@ -2196,6 +2196,8 @@ - (void)setAttributedText:(NSAttributedString *)attributedText {
if (!_state.insideUndoBlock) {
[self _resetUndoAndRedoStack];
}

[self invalidateIntrinsicContentSize];
}

- (void)setTextVerticalAlignment:(YYTextVerticalAlignment)textVerticalAlignment {
Expand Down Expand Up @@ -3644,6 +3646,25 @@ - (NSArray *)selectionRectsForRange:(YYTextRange *)range {
return rects;
}

#pragma mark - AutoLayout

- (CGSize)intrinsicContentSize {
CGSize containerSize = _innerContainer.size;
if (!_verticalForm) {
containerSize.height = YYTextContainerMaxSize.height;
if (containerSize.width == 0) containerSize.width = self.bounds.size.width;
} else {
containerSize.width = YYTextContainerMaxSize.width;
if (containerSize.height == 0) containerSize.height = self.bounds.size.height;
}

YYTextContainer *container = [_innerContainer copy];
container.size = containerSize;

YYTextLayout *layout = [YYTextLayout layoutWithContainer:container text:_innerText];
return layout.textBoundingSize;
}

#pragma mark - @protocol UITextInput optional

- (UITextStorageDirection)selectionAffinity {
Expand Down