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Add truncation changed block handler #57

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Add truncation changed block handler #57

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3 changes: 3 additions & 0 deletions Source/Classes/Drawing/Drawing.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -98,6 +98,9 @@ extension NantesLabel {

if shouldHandleTruncation && (hasExtraLines || isPaintingTruncatedString) {
lines = truncateLines(lines, fromAttritubedString: attributedString, rect: rect, path: path)
truncationChangedBlock?(true)
} else {
truncationChangedBlock?(false)
}

drawBackground(frame, inRect: rect, context: context)
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4 changes: 4 additions & 0 deletions Source/Classes/NantesLabel.swift
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Expand Up @@ -96,6 +96,10 @@
/// Vertical alignment of the text within its frame
/// defaults to .center
open var verticalAlignment: NantesLabel.VerticalAlignment = .center

/// Block to run whenever the label truncation is changed.
/// returns whether label is truncated or not
open var truncationChangedBlock: ((Bool) -> Void)?

// MARK: - Private vars

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