kmpdfkit_demo/Demo/Examples/Compdfkit_Tools/DigitalSignature/VerifyDigitalSignatureControl/DigitalSignatureInfoControl.xaml.cs

using System.Collections.Generic;
using System.ComponentModel;
using System.Runtime.CompilerServices;
using System.Windows;
using System.Windows.Controls;
using Compdfkit_Tools.PDFControl;

namespace Compdfkit_Tools.DigitalSignature.VerifyDigitalSignatureControl
{
    public partial class DigitalSignatureInfoControl : UserControl, INotifyPropertyChanged
    {
        private string _signerInfo;
        public string SignerInfo
        {
            get => _signerInfo;
            set => UpdateProper(ref _signerInfo, value);
        }
        
        private string _timeInfo;
        public string TimeInfo
        {
            get => _timeInfo;
            set => UpdateProper(ref _timeInfo, value);
        }
        
        private SignatureStatus _status;
        public SignatureStatus Status
        {
            get => _status;
            set
            {
                _status = value;
                SetStatus(_status);
            }
        }
        public DigitalSignatureInfoControl()
        {
            InitializeComponent();
            DataContext = this;
        }
        
        private void SetStatus(SignatureStatus status)
        {
            ValidBorder.Visibility = Visibility.Collapsed;
            InvalidBorder.Visibility = Visibility.Collapsed;
            UnknownBorder.Visibility = Visibility.Collapsed;

            switch (status)
            {
                case SignatureStatus.None:
                    break;
                case SignatureStatus.Valid:
                    ValidBorder.Visibility = Visibility.Visible;
                    break;
                case SignatureStatus.Invalid:
                    InvalidBorder.Visibility = Visibility.Visible;
                    break;
                case SignatureStatus.Unknown:
                    UnknownBorder.Visibility = Visibility.Visible;
                    break;
            }
        }

        public event PropertyChangedEventHandler PropertyChanged;

        protected void UpdateProper<T>(ref T properValue,
            T newValue,
            [CallerMemberName] string properName = "")
        {
            if (object.Equals(properValue, newValue))
                return;

            properValue = newValue;
            OnPropertyChanged(properName);
        }

        protected void OnPropertyChanged([CallerMemberName] string propertyName = "") =>
            PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
    }
}