kmpdfkit_demo/Demo/Examples/Compdfkit_Tools/Encryption/SetEncryptionControl.xaml.cs

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

namespace Compdfkit_Tools.PDFControl
{
    public partial class SetEncryptionControl : UserControl, INotifyPropertyChanged
    {
        private bool _isUserPasswordEnabled;
        public bool IsUserPasswordEnabled
        {
            get => _isUserPasswordEnabled;
            set
            {
                _isUserPasswordEnabled = value;
                OnPropertyChanged();
                EncryptionSettingChanged?.Invoke(this, null);
            }
        }
        private bool _isOwnerPasswordEnabled;

        public bool IsOwnerPasswordEnabled
        {
            get => _isOwnerPasswordEnabled;
            set
            {
                _isOwnerPasswordEnabled = value;
                OnPropertyChanged();
                EncryptionSettingChanged?.Invoke(this, null);
            }
        }
        
        private string _userPassword;
        public string UserPassword
        {
            get => _userPassword;
            set
            {
                _userPassword = value;
                OnPropertyChanged();
                EncryptionSettingChanged?.Invoke(this, null);
            }
        }
        
        private string _ownerPassword;
        public string OwnerPassword
        {
            get => _ownerPassword;
            set
            {
                _ownerPassword = value;
                OnPropertyChanged();
                EncryptionSettingChanged?.Invoke(this, null);
            }
        }
        
        private bool _isAllowPrint = true;
        public bool IsAllowPrint
        {
            get => _isAllowPrint;
            set
            {
                _isAllowPrint = value;
                OnPropertyChanged();
            }
        }
        
        private bool _isAllowCopy = true;
        public bool IsAllowCopy
        {
            get => _isAllowCopy;
            set
            {
                _isAllowCopy = value;
                OnPropertyChanged();
            }
        }

        public bool ValidSetting
        {
            get
            {
                if (!IsOwnerPasswordEnabled && !IsUserPasswordEnabled)
                {
                    return false;
                }

                bool validUserOption = !IsUserPasswordEnabled || !string.IsNullOrEmpty(UserPassword);
                bool validOwnerOption = !IsOwnerPasswordEnabled || !string.IsNullOrEmpty(OwnerPassword);

                return validUserOption && validOwnerOption;
            }
        }

        
        
        public event PropertyChangedEventHandler PropertyChanged;
        public event PropertyChangedEventHandler EncryptionSettingChanged;
        
        public SetEncryptionControl()
        {
            InitializeComponent();
            DataContext = this;
        }
        
        protected virtual void OnPropertyChanged([CallerMemberName] string propertyName = null)
        {
            PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
        }
    }
}