kmpdfkit_demo/compdfkit_demo_windows/compdfkit/viewer-ctrl-demo/MainWindow.xaml.cs

using ComPDFKitViewer.PdfViewer;
using Microsoft.Win32;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Controls.Primitives;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
using viewer_ctrl_demo.Bota;

namespace viewer_ctrl_demo
{
    /// <summary>
    /// Interaction logic for MainWindow.xaml
    /// </summary>
    public partial class MainWindow : Window
    {
        public CPDFViewer pdfViewer;

        public MainWindow()
        {
            InitializeComponent();
            AddPreViewModes();
            AddMenuItemToLogoButton();
        }

        public void AddMenuItemToLogoButton()
        {
            // 创建三个 MenuItem，并设置 Header 属性
            MenuItem openFileItem = new MenuItem();
            openFileItem.Header = "打开文件";
            openFileItem.Click += MenuItem_Click;
            openFileItem.Tag = "OpenFile";

            MenuItem goToWebItem = new MenuItem();
            goToWebItem.Header = "了解ComPDFKit SDK";
            goToWebItem.Click += MenuItem_Click;

            MenuItem aboutItem = new MenuItem();
            aboutItem.Header = "关于";
            aboutItem.Click += MenuItem_Click;

            // 将 MenuItem 添加到 ContextMenu 中
            logoMenu.Items.Add(openFileItem);
            logoMenu.Items.Add(goToWebItem);
            logoMenu.Items.Add(aboutItem);
        }

        private void MenuItem_Click(object sender, RoutedEventArgs e)
        {
            var menuItem = sender as MenuItem;
            if (menuItem.Tag.ToString() == "OpenFile")
            {
                OpenFileDialog openFileDialog = new OpenFileDialog();
                openFileDialog.Filter = "PDF files (*.pdf)|*.pdf";

                if (openFileDialog.ShowDialog() == true)
                {
                    pdfViewer = new CPDFViewer();
                    string selectedFilePath = openFileDialog.FileName;
                    pdfViewer.InitDocument(selectedFilePath);
                    if (pdfViewer.Document!=null&&
                        pdfViewer.Document.ErrorType == ComPDFKit.PDFDocument.CPDFDocumentError.CPDFDocumentErrorSuccess)
                    {
                        pdfViewer.Load();
                        PDFGrid.Children.Add(pdfViewer);
                    }
                }
            }
        }

        public void AddPreViewModes()
        {
            // 创建ComboBoxItem元素
            ComboBoxItem ViewerMode = new ComboBoxItem();
            ViewerMode.Content = "预览模式";
            ViewerMode.IsSelected = true; // 将A设置为首选项

            // 添加ComboBoxItem元素到ComboBox中
            previewModeComboBox.Items.Add(ViewerMode);
        }

        private void displaySettingsToggleButton_Click(object sender, RoutedEventArgs e)
        {
            if (popup.IsOpen)
            {
                popup.IsOpen = false;
            }
            else
            {
                popup.IsOpen = true;
            }
        }

        private void logoButton_Click(object sender, RoutedEventArgs e)
        {
            Button button = sender as Button;
            if (button.ContextMenu.IsOpen)
            {
                button.ContextMenu.IsOpen = false;
            }
            else
            {
                button.ContextMenu.IsOpen = true;
            }
        }

        /// <summary>
        /// 搜索工具点击处理
        /// </summary>
        private void SearchToolButton_Click(object sender, RoutedEventArgs e)
        {
            UIElement botaTool = GetBotaTool();
            if (botaTool == null || !(botaTool is PDFSearch))
            {
                PDFSearch searchControl = new PDFSearch();
                SetBotaTool(searchControl);
            }

            ExpandTool(SearchToolButton.IsChecked == true);
        }

        /// <summary>
        /// 设置Bota工具内容
        /// </summary>
        /// <param name="newChild"></param>
        private void SetBotaTool(UIElement newChild)
        {
            BotaToolContainer.Child = newChild;
        }

        /// <summary>
        /// 获取Bota工具
        /// </summary>
        /// <returns></returns>
        private UIElement GetBotaTool()
        {
            return BotaToolContainer.Child;
        }

        /// <summary>
        /// 展开Bota工具
        /// </summary>
        /// <param name="isExpand"></param>
        private void ExpandTool(bool isExpand)
        {
            BotaToolContainer.Visibility = isExpand ? Visibility.Visible : Visibility.Collapsed;
            BotaToolContainer.Width = isExpand ? 200 : 0;
        }
    }
}