a8f0b7b662
- Completed the blogs detail screen, also handled the language change. - added a nsnotification to handle the sidebar only on home an my list - Added api for like , unlike , fav remove, with data models. - handled the like unlike realtime, without the extra network call. - added realtime language change will update the fav cells.
219 lines
12 KiB
Swift
219 lines
12 KiB
Swift
//
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// HtmlText.swift
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// WOKA
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//
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// Created by Bilal on 14/06/2024.
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//
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import Foundation
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import UIKit
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//MARK : - html Data to Swift Readable
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extension String {
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var htmlToAttributedString: NSAttributedString? {
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guard let data = data(using: .utf8) else { return nil }
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do {
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return try NSAttributedString(data: data, options: [.documentType: NSAttributedString.DocumentType.html, .characterEncoding:String.Encoding.utf8.rawValue], documentAttributes: nil)
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} catch {
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return nil
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}
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}
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var htmlToString: String {
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return htmlToAttributedString?.string ?? ""
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}
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}
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//MARK : - changing attributed text size without losing html attributes
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extension NSMutableAttributedString {
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func setFontFace(font: UIFont, color: UIColor? = nil) {
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beginEditing()
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self.enumerateAttribute(.font,in: NSRange(location: 0, length: self.length)) { (value, range, stop) in
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if let f = value as? UIFont,
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let newFontDescriptor = f.fontDescriptor.withFamily(font.familyName).withSymbolicTraits(f.fontDescriptor.symbolicTraits) {
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let newFont = UIFont(descriptor: newFontDescriptor,size: font.pointSize)
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removeAttribute(.font, range: range)
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addAttribute(.font, value: newFont, range: range)
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if let color = color {
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removeAttribute(.foregroundColor,range: range)
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addAttribute(.foregroundColor,value: color, range: range)
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}
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}
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}
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endEditing()
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}
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}
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class AttibutedStringSize {
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static let shareInstance = AttibutedStringSize()
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// func generateAttributedString(targetString: NSAttributedString, selectedNsRange : [NSRange]) -> NSAttributedString? {
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// let attributedString = NSMutableAttributedString(attributedString: targetString)
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// for range in selectedNsRange{
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// attributedString.addAttribute(NSAttributedString.Key.foregroundColor, value: UIColor.red, range: range)
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// }
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// return attributedString
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// }
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//
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// func changeFontSize(targetString: NSAttributedString,fontSize : CGFloat) -> NSAttributedString? {
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// let attributedString = NSMutableAttributedString(attributedString: targetString)
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// attributedString.addAttribute(NSAttributedString.Key.font, value: UIFont.boldSystemFont(ofSize: fontSize), range: NSRange(location: 0, length: targetString.string.utf16.count))
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// return attributedString
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// }
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func changeDarkOrLightMode(targetString: NSAttributedString,color : UIColor ,selectedNsRange : [NSRange]) -> NSAttributedString? {
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let attributedString = NSMutableAttributedString(attributedString: targetString)
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attributedString.addAttribute(NSAttributedString.Key.foregroundColor, value: color, range: NSRange(location: 0, length: targetString.string.utf16.count))
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for range in selectedNsRange{
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attributedString.addAttribute(NSAttributedString.Key.foregroundColor, value: UIColor.red, range: range)
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}
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return attributedString
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}
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func generateFullyAttributedString(targetString: NSAttributedString, selectedNsRange : [NSRange],selectedLinkNsRange : [NSRange],linkURL:String ,textColor : UIColor , fontSize : CGFloat) -> NSAttributedString?{
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let attributedString = NSMutableAttributedString(attributedString: targetString)
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let range = NSRange(location: 0, length: targetString.string.utf16.count)
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//MARK : - color
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attributedString.addAttribute(NSAttributedString.Key.foregroundColor, value: textColor, range: range)
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//MARK : - for selected range with link and underline
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for range1 in selectedLinkNsRange{
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attributedString.addAttribute(.link, value: linkURL, range:range1)
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attributedString.addAttribute(NSAttributedString.Key.underlineStyle, value: NSUnderlineStyle.single.rawValue, range: range1)
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attributedString.addAttribute(NSAttributedString.Key.foregroundColor, value: UIColor.blue, range: range1)
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}
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//MARK : - for highlight the text saved RED Color
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for range2 in selectedNsRange{
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attributedString.addAttribute(NSAttributedString.Key.foregroundColor, value: UIColor.red, range: range2)
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}
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//MARK : - for font family and size
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attributedString.setFontFace(font: UIFont.systemFont(ofSize: fontSize))
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return attributedString
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}
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func attributedStringSearch(with searchTerm: String, targetString: NSAttributedString) -> NSAttributedString? {
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let attributedString = NSMutableAttributedString(attributedString: targetString)
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do {
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let regex = try NSRegularExpression(pattern: NSRegularExpression.escapedPattern(for: searchTerm).trimmingCharacters(in: .whitespacesAndNewlines).folding(options: .regularExpression, locale: .current), options: .caseInsensitive)
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let range = NSRange(location: 0, length: targetString.string.utf16.count)
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attributedString.addAttribute(NSAttributedString.Key.backgroundColor, value: UIColor.clear, range: range)
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for match in regex.matches(in: targetString.string.folding(options: .regularExpression, locale: .current), options: .withTransparentBounds, range: range) {
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attributedString.addAttribute(NSAttributedString.Key.backgroundColor, value: UIColor.green, range: match.range)
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}
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return attributedString
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} catch {
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NSLog("Error creating regular expresion: \(error)")
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return nil
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}
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}
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// func generateAttributedStringSearch(with searchTerm: String, targetString: NSAttributedString) -> NSAttributedString? {
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// let attributedString = NSMutableAttributedString(attributedString: targetString)
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// do {
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// let regex = try NSRegularExpression(pattern: NSRegularExpression.escapedPattern(for: searchTerm).trimmingCharacters(in: .whitespacesAndNewlines).folding(options: .regularExpression, locale: .current), options: .caseInsensitive)
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// let range = NSRange(location: 0, length: targetString.string.utf16.count)
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// attributedString.addAttribute(NSAttributedString.Key.backgroundColor, value: UIColor.clear, range: range)
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// for match in regex.matches(in: targetString.string.folding(options: .regularExpression, locale: .current), options: .withTransparentBounds, range: range) {
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// attributedString.addAttribute(NSAttributedString.Key.backgroundColor, value: UIColor.green, range: match.range)
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// }
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// return attributedString
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// } catch {
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// NSLog("Error creating regular expresion: \(error)")
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// return nil
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// }
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// }
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// func generateAttributedStringColor(targetString: NSAttributedString, color : UIColor) -> NSAttributedString? {
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// let attributedString = NSMutableAttributedString(attributedString: targetString)
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// let range = NSRange(location: 0, length: targetString.string.utf16.count)
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// attributedString.addAttribute(NSAttributedString.Key.backgroundColor, value: color, range: range)
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// return attributedString
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// }
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// func generateAttributedStringDarkLight(targetString: NSAttributedString, selectedNsRange : [NSRange], color : UIColor,fontSize : CGFloat) -> NSAttributedString? {
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// let attributedString = NSMutableAttributedString(attributedString: targetString)
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// let fullRange = NSRange(location: 0, length: targetString.string.utf16.count)
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// attributedString.addAttribute(NSAttributedString.Key.font, value: UIFont(name: "Arial", size: fontSize)!, range: fullRange)
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// attributedString.addAttribute(NSAttributedString.Key.foregroundColor, value: color, range: fullRange)
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// for range in selectedNsRange{
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// attributedString.addAttribute(NSAttributedString.Key.foregroundColor, value: UIColor.red, range: range)
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// }
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// return attributedString
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// }
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// func generateLink(targetString: NSAttributedString ,selectedNsRange : [NSRange], linkURL:String) -> NSAttributedString? {
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// let attributedString = NSMutableAttributedString(attributedString: targetString)
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// for range in selectedNsRange{
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// attributedString.addAttribute(.link, value: linkURL, range:range)
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// attributedString.addAttribute(NSAttributedString.Key.underlineStyle, value: NSUnderlineStyle.single.rawValue, range: range)
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// attributedString.addAttribute(NSAttributedString.Key.foregroundColor, value: UIColor.blue, range: range)
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// }
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// return attributedString
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// }
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//MARK : - for highlight and hyperlink
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// func fullyAttributed(targetString: NSAttributedString ,selectedHighlightRange : [NSRange],selectedLinkRange : [NSRange] ,linkURL:String) -> NSAttributedString? {
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// let attributedString = NSMutableAttributedString(attributedString: targetString)
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// for range in selectedHighlightRange{
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// attributedString.addAttribute(NSAttributedString.Key.foregroundColor, value: UIColor.red, range: range)
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// }
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// for range in selectedLinkRange{
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// attributedString.addAttribute(.link, value: linkURL, range:range)
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// attributedString.addAttribute(NSAttributedString.Key.underlineStyle, value: NSUnderlineStyle.single.rawValue, range: range)
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// attributedString.addAttribute(NSAttributedString.Key.foregroundColor, value: UIColor.blue, range: range)
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// }
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//
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// return attributedString
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// }
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//MARK : - searchControl
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}
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//MARK : - attStr To Html
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//extension String {
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// func attributedStringWithColor(_ strings: [String], color: UIColor, characterSpacing: UInt? = nil) -> NSAttributedString {
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// let attributedString = NSMutableAttributedString(string: self)
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// for string in strings {
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// let range = (self as NSString).range(of: string)
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// attributedString.addAttribute(NSAttributedString.Key.foregroundColor, value: color, range: range)
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// }
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//
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// guard let characterSpacing = characterSpacing else {return attributedString}
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//
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// attributedString.addAttribute(NSAttributedString.Key.kern, value: characterSpacing, range: NSRange(location: 0, length: attributedString.length))
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//
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// return attributedString
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// }
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//}
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//
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//extension String {
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// public var convertHtmlToNSAttributedString: NSAttributedString? {
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// guard let data = data(using: .utf8) else {
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// return nil
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// }
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// do {
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// return try NSAttributedString(data: data,options: [.documentType: NSAttributedString.DocumentType.html,.characterEncoding: String.Encoding.utf8.rawValue], documentAttributes: nil)
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// }
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// catch {
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// print(error.localizedDescription)
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// return nil
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// }
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// }
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//
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// public func convertHtmlToAttributedStringWithCSS(font: UIFont? , csscolor: String , lineheight: Int, csstextalign: String) -> NSAttributedString? {
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// guard let font = font else {
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// return convertHtmlToNSAttributedString
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// }
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// let modifiedString = "<style>body{font-family: '\(font.fontName)'; font-size:\(font.pointSize)px; color: \(csscolor); line-height: \(lineheight)px; text-align: \(csstextalign); }</style>\(self)";
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// guard let data = modifiedString.data(using: .utf8) else {
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// return nil
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// }
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// do {
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// return try NSAttributedString(data: data, options: [.documentType: NSAttributedString.DocumentType.html, .characterEncoding: String.Encoding.utf8.rawValue], documentAttributes: nil)
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// }
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// catch {
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// print(error)
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// return nil
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// }
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// }
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//}
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