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refactored out code that is now in VDS.Label

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Signed-off-by: Matt Bruce <matt.bruce@verizon.com>
This commit is contained in:
Matt Bruce 2024-06-21 14:11:20 -05:00
parent 626b8082df
commit 3108dcdafc
1 changed files with 2 additions and 32 deletions
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34
MVMCoreUI/Atomic/Atoms/Views/Label/Label.swift
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@ -364,8 +364,8 @@ extension Label {
public static func boundingRect(forCharacterRange range: NSRange, in label: Label) -> CGRect { public static func boundingRect(forCharacterRange range: NSRange, in label: Label) -> CGRect {
guard let abstractContainer = label.abstractTextContainer() else { return CGRect() } guard let abstractContainer = label.abstractTextContainer() else { return CGRect() }
let textContainer = abstractContainer.0 let textContainer = abstractContainer.textContainer
let layoutManager = abstractContainer.1 let layoutManager = abstractContainer.layoutManager
var glyphRange = NSRange() var glyphRange = NSRange()
@ -374,36 +374,6 @@ extension Label {
return layoutManager.boundingRect(forGlyphRange: glyphRange, in: textContainer) return layoutManager.boundingRect(forGlyphRange: glyphRange, in: textContainer)
} }
/**
Provides a text container and layout manager of how the text would appear on screen.
They are used in tandem to derive low-level TextKit results of the label.
*/
public func abstractTextContainer() -> (NSTextContainer, NSLayoutManager, NSTextStorage)? {
// Must configure the attributed string to translate what would appear on screen to accurately analyze.
guard let attributedText = attributedText else { return nil }
let paragraph = NSMutableParagraphStyle()
paragraph.alignment = textAlignment
let stagedAttributedString = NSMutableAttributedString(attributedString: attributedText)
stagedAttributedString.addAttributes([NSAttributedString.Key.paragraphStyle: paragraph], range: NSRange(location: 0, length: attributedText.string.count))
let textStorage = NSTextStorage(attributedString: stagedAttributedString)
let layoutManager = NSLayoutManager()
let textContainer = NSTextContainer(size: .zero)
layoutManager.addTextContainer(textContainer)
textStorage.addLayoutManager(layoutManager)
textContainer.lineFragmentPadding = 0.0
textContainer.lineBreakMode = lineBreakMode
textContainer.maximumNumberOfLines = numberOfLines
textContainer.size = bounds.size
return (textContainer, layoutManager, textStorage)
}
} }
// MARK: - Atomization // MARK: - Atomization