--- /dev/null
+//
+// NSAttributedString+Ext.swift
+// WolneLektury
+//
+// Created by Pawel Dabrowski on 30/05/2018.
+// Copyright © 2018 Fundacja Nowoczesna Polska. All rights reserved.
+//
+
+import Foundation
+
+import UIKit
+
+extension NSAttributedString{
+
+
+ static func AttributedString(font: UIFont, text: String, lineSpacing: CGFloat, textAlignment: NSTextAlignment) -> NSAttributedString{
+
+ let paragraphStyle = NSMutableParagraphStyle()
+ paragraphStyle.lineSpacing = 1.0
+ paragraphStyle.lineHeightMultiple = lineSpacing
+ paragraphStyle.alignment = textAlignment
+
+ let attrString = NSMutableAttributedString(string: text)
+ attrString.addAttribute(NSAttributedStringKey.font, value: font, range: NSMakeRange(0, attrString.length))
+ attrString.addAttribute(NSAttributedStringKey.paragraphStyle, value:paragraphStyle, range:NSMakeRange(0, attrString.length))
+ return attrString;
+ }
+
+ static func AttributedString(font: UIFont, text: String, color: UIColor) -> NSAttributedString{
+
+ let attrString = NSMutableAttributedString(string: text)
+ attrString.addAttribute(NSAttributedStringKey.font, value: font, range: NSMakeRange(0, attrString.length))
+ attrString.addAttribute(NSAttributedStringKey.foregroundColor, value: color, range: NSMakeRange(0, attrString.length))
+ return attrString;
+ }
+
+
+ public convenience init(html:String) throws {
+
+ let htmString = "<html><head><style> " +
+ "\nbody \n{\n" +
+ //"text-align: justify;\n" +
+ "font-size: 11.00pt;\n" +
+ "font-family: '-apple-system';\n" +
+ "line-height: 6px;\n" +
+ "} \n" +
+ "</style></head><body>\(html)</body>" +
+ "</html>"
+
+
+ guard let data = htmString.data(using: .unicode, allowLossyConversion: true) else {
+ throw NSError(domain: "Invalid HTML", code: -500, userInfo: nil)
+ }
+
+ try self.init(data: data, options: [.documentType: NSAttributedString.DocumentType.html], documentAttributes: nil)
+ }
+
+
+ public convenience init(string: String?, font: UIFont?) {
+ self.init(string: string, font: font, color: nil, textAlignment: nil, lineSpacing: nil)
+ }
+
+ public convenience init(string: String?, font: UIFont?, color: UIColor?) {
+ self.init(string: string, font: font, color: color, textAlignment: nil, lineSpacing: nil)
+ }
+
+ public convenience init(string: String?, font: UIFont?, color: UIColor?, textAlignment: NSTextAlignment?) {
+ self.init(string: string, font: font, color: color, textAlignment: textAlignment, lineSpacing: nil)
+ }
+
+ public convenience init(string: String?, font: UIFont?, textAlignment: NSTextAlignment?) {
+ self.init(string: string, font: font, color: nil, textAlignment: textAlignment, lineSpacing: nil)
+ }
+
+ public convenience init(string: String?, font: UIFont?, color: UIColor?, textAlignment: NSTextAlignment?, lineSpacing: CGFloat?) {
+
+ let style = NSMutableParagraphStyle()
+ var addStyle = false
+
+
+ style.lineBreakMode = .byWordWrapping;
+
+ var str = ""
+ if let value = string{
+ str = value
+ }
+
+ var dict = [NSAttributedStringKey : AnyObject]()
+ if let fnt = font{
+ dict[NSAttributedStringKey.font] = fnt
+ }
+
+ if let clr = color{
+ dict[NSAttributedStringKey.foregroundColor] = clr
+ }
+
+ if let tal = textAlignment{
+ style.alignment = tal
+ if(tal == .justified){
+ style.firstLineHeadIndent = 0.05;
+ }
+ addStyle = true
+ }
+
+ if let ls = lineSpacing{
+ style.lineSpacing = ls
+ addStyle = true
+ }
+
+
+ if(addStyle){
+ dict[NSAttributedStringKey.paragraphStyle] = style
+ }
+
+ self.init(string: str, attributes: dict)
+ return
+ }
+}
fnp / wl-app.git / blobdiff