53 lines
2.1 KiB
Swift
53 lines
2.1 KiB
Swift
/*
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Copyright 2020 New Vector Ltd
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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import Foundation
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extension UILabel {
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@objc func vc_setText(_ text: String, withLineSpacing lineSpacing: CGFloat, alignement: NSTextAlignment) {
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let paragraphStyle = NSMutableParagraphStyle()
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paragraphStyle.lineSpacing = lineSpacing
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paragraphStyle.alignment = alignement
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let attributeString = NSAttributedString(string: text, attributes: [NSAttributedString.Key.paragraphStyle: paragraphStyle])
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self.attributedText = attributeString
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}
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// Fix multiline label height with auto layout. After performing orientation multiline label text appears on one line.
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// For more information see https://www.objc.io/issues/3-views/advanced-auto-layout-toolbox/#intrinsic-content-size-of-multi-line-text
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@objc func vc_fixMultilineHeight() {
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let width = self.frame.size.width
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if self.preferredMaxLayoutWidth != width {
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self.preferredMaxLayoutWidth = width
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}
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}
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/// Sets an HTML string into the receiver. Does not support custom fonts but considers receiver's font size.
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/// - Parameter htmlText: HTML text to be rendered.
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@objc func setHTMLFromString(_ htmlText: String) {
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let html = "<html><body>\(htmlText)</body></html>"
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self.attributedText = HTMLFormatter.formatHTML(html,
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withAllowedTags: ["b", "p", "br", "body"],
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font: UIFont.systemFont(ofSize: font.pointSize))
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}
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}
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