kmpdfkit_demo/Demo/Examples/Compdfkit_Tools/Security/Watermark/FileGridListWithPageRangeControl.xaml.cs

using ComPDFKit.PDFDocument;
using Compdfkit_Tools.Common;
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.ComponentModel;
using System.Linq;
using System.Runtime.CompilerServices;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Forms;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
using UserControl = System.Windows.Controls.UserControl;

namespace Compdfkit_Tools.PDFControl
{
    /// <summary>
    /// Interaction logic for FileGridListWithPageRangeControl.xaml
    /// </summary>
    public partial class FileGridListWithPageRangeControl : UserControl, INotifyPropertyChanged
    {
        public static readonly DependencyProperty IsEnsureProperty =
    DependencyProperty.Register(nameof(IsEnsure), typeof(bool), typeof(FileGridListWithPageRangeControl), new PropertyMetadata(false));


        public bool IsEnsure
        {
            get => (bool)GetValue(IsEnsureProperty);
            private set
            {
                SetValue(IsEnsureProperty, value);
            }
        }


        private int _fileNumText;
        public int FileNumText
        {
            get => _fileNumText;
            set
            {
                if (UpdateProper(ref _fileNumText, value))
                    IsEnsure = _fileNumText > 0;
            }
        }

        private ObservableCollection<CPDFDocument> _fileInfoDataList;
        public ObservableCollection<CPDFDocument> FileInfoDataList
        {
            get { return _fileInfoDataList; }
            set
            {
                _fileInfoDataList = value;
                _fileInfoDataList.CollectionChanged += (sender, args) =>
                {
                    FileNumText = _fileInfoDataList.Count;
                };
            }
        }

        public FileGridListWithPageRangeControl()
        {
            InitializeComponent();

        }

        public event PropertyChangedEventHandler PropertyChanged;
        protected virtual void OnPropertyChanged(string propertyName = null)
        {
            PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
        }
        protected bool UpdateProper<T>(ref T properValue,
    T newValue,
    [CallerMemberName] string properName = "")
        {
            if (object.Equals(properValue, newValue))
                return false;

            properValue = newValue;
            OnPropertyChanged(properName);
            return true;
        }

        private void AddFilesBtn_Click(object sender, RoutedEventArgs e)
        {
            var dialog = new OpenFileDialog();
            dialog.Multiselect = true;
            dialog.Filter = "PDF Files (*.pdf)|*.pdf";
            dialog.ShowDialog();

            foreach (string filePath in dialog.FileNames)
            {
                CPDFDocument document = CPDFDocument.InitWithFilePath(filePath);
                if (document.IsLocked)
                {
                    PasswordWindow passwordWindow = new PasswordWindow();
                    passwordWindow.InitWithDocument(document);
                    passwordWindow.Owner = Window.GetWindow(this);
                    passwordWindow.PasswordDialog.SetShowText(filePath + " is encrypted.");
                    passwordWindow.PasswordDialog.SetShowText("Password error");
                }
            }

        }

        private void RemoveBtn_Click(object sender, RoutedEventArgs e)
        {

        }

        private void PageRangeBtn_Click(object sender, RoutedEventArgs e)
        {

        }
    }
}