- Feature: Markdown view integration complete (if issues arrise can fix it asap)

This commit is contained in:
mahee96
2025-02-28 05:09:37 +05:30
parent 2197161d55
commit c6703d66c1
5 changed files with 116 additions and 189 deletions

View File

@@ -13,21 +13,18 @@ final class CollapsingTextView: UITextView
var isCollapsed = true {
didSet {
guard self.isCollapsed != oldValue else { return }
self.shouldResetLayout = true
self.setNeedsLayout()
}
}
var maximumNumberOfLines = 2 {
didSet {
self.shouldResetLayout = true
self.setNeedsLayout()
}
}
var lineSpacing: Double = 2 {
didSet {
self.shouldResetLayout = true
if #available(iOS 16, *)
{
@@ -42,7 +39,6 @@ final class CollapsingTextView: UITextView
override var text: String! {
didSet {
self.shouldResetLayout = true
guard #available(iOS 16, *) else { return }
self.updateText()
@@ -51,9 +47,6 @@ final class CollapsingTextView: UITextView
let moreButton = UIButton(type: .system)
private var shouldResetLayout: Bool = false
private var previousSize: CGSize?
override init(frame: CGRect, textContainer: NSTextContainer?)
{
super.init(frame: frame, textContainer: textContainer)
@@ -115,45 +108,39 @@ final class CollapsingTextView: UITextView
height: font.lineHeight)
self.moreButton.frame = moreButtonFrame
if self.shouldResetLayout || self.previousSize != self.bounds.size
if self.isCollapsed
{
if self.isCollapsed
let boundingSize = self.attributedText.boundingRect(with: CGSize(width: self.textContainer.size.width, height: .infinity), options: [.usesLineFragmentOrigin, .usesFontLeading], context: nil)
let maximumCollapsedHeight = font.lineHeight * Double(self.maximumNumberOfLines) + self.lineSpacing * Double(self.maximumNumberOfLines - 1)
if boundingSize.height.rounded() > maximumCollapsedHeight.rounded()
{
let boundingSize = self.attributedText.boundingRect(with: CGSize(width: self.textContainer.size.width, height: .infinity), options: [.usesLineFragmentOrigin, .usesFontLeading], context: nil)
let maximumCollapsedHeight = font.lineHeight * Double(self.maximumNumberOfLines) + self.lineSpacing * Double(self.maximumNumberOfLines - 1)
self.textContainer.maximumNumberOfLines = self.maximumNumberOfLines
if boundingSize.height.rounded() > maximumCollapsedHeight.rounded()
{
self.textContainer.maximumNumberOfLines = self.maximumNumberOfLines
var exclusionFrame = moreButtonFrame
exclusionFrame.origin.y += self.moreButton.bounds.midY
exclusionFrame.size.width = self.bounds.width // Extra wide to make sure it wraps to next line.
self.textContainer.exclusionPaths = [UIBezierPath(rect: exclusionFrame)]
self.moreButton.isHidden = false
}
else
{
self.textContainer.maximumNumberOfLines = 0 // Fixes last line having slightly smaller line spacing.
self.textContainer.exclusionPaths = []
self.moreButton.isHidden = true
}
var exclusionFrame = moreButtonFrame
exclusionFrame.origin.y += self.moreButton.bounds.midY
exclusionFrame.size.width = self.bounds.width // Extra wide to make sure it wraps to next line.
self.textContainer.exclusionPaths = [UIBezierPath(rect: exclusionFrame)]
self.moreButton.isHidden = false
}
else
{
self.textContainer.maximumNumberOfLines = 0
self.textContainer.maximumNumberOfLines = 0 // Fixes last line having slightly smaller line spacing.
self.textContainer.exclusionPaths = []
self.moreButton.isHidden = true
}
}
else
{
self.textContainer.maximumNumberOfLines = 0
self.textContainer.exclusionPaths = []
self.invalidateIntrinsicContentSize()
self.moreButton.isHidden = true
}
self.shouldResetLayout = false
self.previousSize = self.bounds.size
self.invalidateIntrinsicContentSize()
}
}