gistfile1.txt

//
//  ShareViewController.swift
//  share
//
//  Created by Yan Cheng Cheok on 03/11/2022.
//

import UIKit
import lib
import CoreServices

class ShareViewController: UIViewController {
    private let typeURL = String(kUTTypeURL)
    
    @IBOutlet weak var titleTextView: UITextView!
    
    @IBOutlet weak var bodyTextView: LinedTextView!
    
    override func viewDidLoad() {
        super.viewDidLoad()
        
        initTitleTextView()
        initBodyTextView()
    }
    
    override func viewDidAppear(_ animated: Bool) {
        super.viewDidAppear(animated)
        
        
        // Get the all encompasing object that holds whatever was shared. If not, dismiss view.
        guard let extensionItem = extensionContext?.inputItems.first as? NSExtensionItem,
            let itemProvider = extensionItem.attachments?.first else {
                self.extensionContext?.completeRequest(returningItems: nil, completionHandler: nil)
                return
        }

        // Check if object is of type text
        if itemProvider.hasItemConformingToTypeIdentifier(typeURL) {
            handleIncomingURL(itemProvider: itemProvider)
        } else {
            print("Error: No url or text found")
            self.extensionContext?.completeRequest(returningItems: nil, completionHandler: nil)
        }
    }


    private func handleIncomingURL(itemProvider: NSItemProvider) {
        print(">>>> handleIncomingURL")

        itemProvider.loadItem(forTypeIdentifier: typeURL, options: nil) { (item, error) in
            if let error = error {
                print(">>>> URL-Error: \(error.localizedDescription)")
            }

            if let url = item as? NSURL, let urlString = url.absoluteString {
                print(">>>> handleIncomingURL \(urlString)")
            }

            self.extensionContext?.completeRequest(returningItems: nil, completionHandler: nil)
        }
    }
    
    @IBAction func closeButtonClicked(_ sender: Any) {
        print(">>>> closeButtonClicked")
        extensionContext?.completeRequest(returningItems: nil, completionHandler: nil)
    }
    
    @IBAction func doneButtonClicked(_ sender: Any) {
        print(">>>> doneButtonClicked")
        extensionContext?.completeRequest(returningItems: nil, completionHandler: nil)
    }
    
    private func initTitleTextView() {
        titleTextView.font = ShareViewController.getTitleEditFont()
        
        // Leading/ trailing spacing.
        titleTextView.textContainer.lineFragmentPadding = 16
        
        titleTextView.delegate = self
    }
    
    private func initBodyTextView() {
        bodyTextView.font = ShareViewController.getBodyEditFont()
        bodyTextView.delegate = self
        
        // Need not set bodyTextView.textContainer.lineFragmentPadding. It is called within LineTextView.
    }
    
    private static func getTitleEditFont() -> UIFont {
        let sfFont = UIFont.systemFont(ofSize: 21, weight: .semibold)
        let fontDescriptor = sfFont.fontDescriptor
        if let newYorkFontDescriptor = fontDescriptor.withDesign(.serif) {
            let newYorkFont = UIFont(descriptor: newYorkFontDescriptor, size: 0.0)
            return newYorkFont
        } else {
            return sfFont
        }
    }
    
    private static func getBodyEditFont() -> UIFont {
        let sfFont = UIFont.systemFont(ofSize: 19)
        let fontDescriptor = sfFont.fontDescriptor
        if let newYorkFontDescriptor = fontDescriptor.withDesign(.serif) {
            let newYorkFont = UIFont(descriptor: newYorkFontDescriptor, size: 0.0)
            return newYorkFont
        } else {
            return sfFont
        }
    }
}

extension ShareViewController: UITextViewDelegate {
}