MO_Chat/bugu/bugu/Modules/IM/Chat/View/Input/TextView/HXInputTextView.swift

//
//  HXInputTextView.swift
//  bugu
//
//  Created by Bugu on 2023/12/11.
//  Copyright © 2023 Bugu. All rights reserved.
//

import Foundation
import UIKit

class HXInputTextView: HXTextView {
    
    override func paste(_ sender: Any?) {
        guard let text = UIPasteboard.general.string, text.isNotEmpty else { return }
        
        let emojiText = EmojiHelper.replaceEmojiImage(textView: self, text: text)
        if attributedText.length == 0 {
            let attributedText = NSMutableAttributedString(attributedString: attributedText)
            attributedText.append(emojiText)
            self.attributedText = attributedText
        } else {
            textStorage.beginEditing()
            // Paste over selected text
            textStorage.insert(emojiText, at: selectedRange.location)
            textStorage.endEditing()
            
            // Advance the range to the selected range plus the number of characters added
            let location = selectedRange.location + emojiText.length
            selectedRange = NSRange(location: location, length: 0)
        }
        
        delegate?.textViewDidChange?(self)
    }
    
    public func cleanTextView() {
        self.attributedText = nil
        self.text = ""
    }
    
    public func appendText(text: String) {
        let emojiText = EmojiHelper.replaceEmojiImage(textView: self, text: text)
        textStorage.beginEditing()
        // Paste over selected text
        textStorage.insert(emojiText, at: selectedRange.location)
        textStorage.endEditing()
        
        // Advance the range to the selected range plus the number of characters added
        let location = selectedRange.location + emojiText.length
        selectedRange = NSRange(location: location, length: 0)
        
        delegate?.textViewDidChange?(self)
    }
    
}