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Quote improvements

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This commit is contained in:
Ali
2023-10-18 20:02:03 +04:00
parent e48e463d51
commit 9ebff2dd6c
9 changed files with 163 additions and 224 deletions
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70
submodules/ChatPresentationInterfaceState/Sources/ChatTextFormat.swift
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@@ -8,33 +8,89 @@ public func chatTextInputAddFormattingAttribute(_ state: ChatTextInputState, att
let nsRange = NSRange(location: state.selectionRange.lowerBound, length: state.selectionRange.count)
var addAttribute = true
var attributesToRemove: [NSAttributedString.Key] = []
state.inputText.enumerateAttributes(in: nsRange, options: .longestEffectiveRangeNotRequired) { attributes, range, stop in
state.inputText.enumerateAttributes(in: nsRange, options: .longestEffectiveRangeNotRequired) { attributes, range, _ in
for (key, _) in attributes {
if key == attribute && range == nsRange {
if key == attribute {
addAttribute = false
attributesToRemove.append(key)
}
}
}
var selectionRange = state.selectionRange
let result = NSMutableAttributedString(attributedString: state.inputText)
for attribute in attributesToRemove {
result.removeAttribute(attribute, range: nsRange)
}
if addAttribute {
if attribute == ChatTextInputAttributes.quote {
result.addAttribute(attribute, value: ChatTextInputTextQuoteAttribute(), range: nsRange)
var removeRange = nsRange
var selectionIndex = nsRange.upperBound
if nsRange.upperBound != result.length && (result.string as NSString).character(at: nsRange.upperBound) != 0x0a {
result.insert(NSAttributedString(string: "\n"), at: nsRange.upperBound)
selectionIndex += 1
removeRange.length += 1
}
if nsRange.lowerBound != 0 && (result.string as NSString).character(at: nsRange.lowerBound - 1) != 0x0a {
result.insert(NSAttributedString(string: "\n"), at: nsRange.lowerBound)
selectionIndex += 1
removeRange.location += 1
} else if nsRange.lowerBound != 0 {
removeRange.location -= 1
removeRange.length += 1
}
if removeRange.lowerBound > result.length {
removeRange = NSRange(location: result.length, length: 0)
} else if removeRange.upperBound > result.length {
removeRange = NSRange(location: removeRange.lowerBound, length: result.length - removeRange.lowerBound)
}
result.removeAttribute(attribute, range: removeRange)
if selectionRange.lowerBound > result.length {
selectionRange = result.length ..< result.length
} else if selectionRange.upperBound > result.length {
selectionRange = selectionRange.lowerBound ..< result.length
}
// Prevent merge back
result.enumerateAttributes(in: NSRange(location: selectionIndex, length: result.length - selectionIndex), options: .longestEffectiveRangeNotRequired) { attributes, range, _ in
for (key, value) in attributes {
if let _ = value as? ChatTextInputTextQuoteAttribute {
result.removeAttribute(key, range: range)
result.addAttribute(key, value: ChatTextInputTextQuoteAttribute(), range: range)
}
}
}
selectionRange = selectionIndex ..< selectionIndex
} else {
result.removeAttribute(attribute, range: nsRange)
}
}
if addAttribute {
if attribute == ChatTextInputAttributes.quote {
result.addAttribute(attribute, value: ChatTextInputTextQuoteAttribute(), range: nsRange)
var selectionIndex = nsRange.upperBound
if nsRange.upperBound != result.length && (result.string as NSString).character(at: nsRange.upperBound) != 0x0a {
result.insert(NSAttributedString(string: "\n"), at: nsRange.upperBound)
selectionIndex += 1
}
if nsRange.lowerBound != 0 && (result.string as NSString).character(at: nsRange.lowerBound - 1) != 0x0a {
result.insert(NSAttributedString(string: "\n"), at: nsRange.lowerBound)
selectionIndex += 1
}
selectionRange = selectionIndex ..< selectionIndex
} else {
result.addAttribute(attribute, value: true as Bool, range: nsRange)
}
}
return ChatTextInputState(inputText: result, selectionRange: state.selectionRange)
if selectionRange.lowerBound > result.length {
selectionRange = result.length ..< result.length
} else if selectionRange.upperBound > result.length {
selectionRange = selectionRange.lowerBound ..< result.length
}
return ChatTextInputState(inputText: result, selectionRange: selectionRange)
} else {
return state
}