kmpdfkit_demo/Demo/Examples/ContentEditorViewControl/MainWindow.xaml.cs

using Compdfkit_Tools.Helper;
using Compdfkit_Tools.PDFControl;
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;

namespace ContentEditorViewControl
{
    /// <summary>
    /// MainWindow.xaml 的交互逻辑
    /// </summary>
    public partial class MainWindow : Window
    {
        private PDFViewControl passwordViewer;

        private PDFViewControl pdfViewer;

        private ContentEditControl contentEditControl = new ContentEditControl();
        private CPDFBOTABarControl botaBarControl = new CPDFBOTABarControl(BOTATools.Thumbnail | BOTATools.Outline | BOTATools.Bookmark | BOTATools.Search | BOTATools.Annotation);

        public bool CanUndo
        {
            get
            {
                if (pdfViewer != null && pdfViewer.PDFView != null)
                {
                    return pdfViewer.PDFView.UndoManager.CanUndo;
                }
                return false;
            }
        }

        public bool CanRedo
        {
            get
            {
                if (pdfViewer != null && pdfViewer.PDFView != null)
                {
                    return pdfViewer.PDFView.UndoManager.CanRedo;
                }
                return false;
            }
        }

        public bool CanSave
        {
            get
            {
                if (pdfViewer != null && pdfViewer.PDFView != null)
                {
                    return pdfViewer.PDFView.UndoManager.CanSave;
                }
                return false;
            }
        }
        private void PdfViewer_InfoChanged(object sender, KeyValuePair<string, object> e)
        {
            if (e.Key == "Zoom")
            {
                CPDFSaclingControl.SetZoomTextBoxText(string.Format("{0}", (int)((double)e.Value * 100)));
            }
        }

        public MainWindow()
        {
            InitializeComponent();
        }

        #region Load Document
        private void LoadDocument()
        {
            if (pdfViewer.PDFView.Document == null)
            {
                return;
            }
            pdfViewer.PDFView.Load();
            pdfViewer.PDFView.SetShowLink(true);

            pdfViewer.PDFView.InfoChanged -= PdfViewer_InfoChanged;
            pdfViewer.PDFView.InfoChanged += PdfViewer_InfoChanged;

            PasswordUI.Closed -= PasswordUI_Closed;
            PasswordUI.Canceled -= PasswordUI_Canceled;
            PasswordUI.Confirmed -= PasswordUI_Confirmed;
            PasswordUI.Closed += PasswordUI_Closed;
            PasswordUI.Canceled += PasswordUI_Canceled;
            PasswordUI.Confirmed += PasswordUI_Confirmed;

            contentEditControl.PdfViewControl = pdfViewer;
            contentEditControl.InitWithPDFViewer(pdfViewer.PDFView);

            CPDFSaclingControl.InitWithPDFViewer(contentEditControl.PdfViewControl.PDFView);

            CPDFSaclingControl.SetZoomTextBoxText(string.Format("{0}", (int)(contentEditControl.PdfViewControl.PDFView.ZoomFactor * 100)));

            PDFGrid.Child = contentEditControl;
            botaBarControl.InitWithPDFViewer(contentEditControl.PdfViewControl.PDFView);
            botaBarControl.SelectBotaTool(BOTATools.Thumbnail);
            contentEditControl.SetBOTAContainer(botaBarControl);
            contentEditControl.InitWithPDFViewer(pdfViewer.PDFView);
        }

        private void PasswordUI_Confirmed(object sender, string e)
        {
            if (passwordViewer != null && passwordViewer.PDFView != null && passwordViewer.PDFView.Document != null)
            {
                passwordViewer.PDFView.Document.UnlockWithPassword(e);
                if (passwordViewer.PDFView.Document.IsLocked == false)
                {
                    PasswordUI.SetShowError("", Visibility.Collapsed);
                    PasswordUI.ClearPassword();
                    PasswordUI.Visibility = Visibility.Collapsed;
                    PopupBorder.Visibility = Visibility.Collapsed;
                    pdfViewer = passwordViewer;
                    LoadDocument();
                }
                else
                {
                    PasswordUI.SetShowError("Wrong Password", Visibility.Visible);
                }
            }
        }

        private void PasswordUI_Canceled(object sender, EventArgs e)
        {
            PopupBorder.Visibility = Visibility.Collapsed;
            PasswordUI.Visibility = Visibility.Collapsed;
        }

        private void PasswordUI_Closed(object sender, EventArgs e)
        {
            PopupBorder.Visibility = Visibility.Collapsed;
            PasswordUI.Visibility = Visibility.Collapsed;
        }

        private void LoadDefaultDocument()
        {
            string defaultFilePath = "PDF32000_2008.pdf";
            pdfViewer.PDFView.InitDocument(defaultFilePath);
            LoadDocument();
        }
        #endregion

        private void Window_Loaded(object sender, RoutedEventArgs e)
        {

            pdfViewer = new PDFViewControl();
            LoadDefaultDocument();
        }

        private void PageInfoBtn_Click(object sender, RoutedEventArgs e)
        {
            PasswordUI.Visibility = Visibility.Collapsed;
            FileInfoUI.Visibility = Visibility.Visible;
            FileInfoControl.InitWithPDFViewer(pdfViewer.PDFView);
            PopupBorder.Visibility = Visibility.Visible;
        }

        private void OpenFile()
        {
            string filePath = CommonHelper.GetExistedPathOrEmpty();
            if (!string.IsNullOrEmpty(filePath) && contentEditControl.PdfViewControl != null)
            {
                if (pdfViewer.PDFView != null && pdfViewer.PDFView.Document != null)
                {
                    string oldFilePath = pdfViewer.PDFView.Document.FilePath;
                    if (oldFilePath.ToLower() == filePath.ToLower())
                    {
                        return;
                    }
                }

                passwordViewer = new PDFViewControl();
                passwordViewer.PDFView.InitDocument(filePath);
                if (passwordViewer.PDFView.Document == null)
                {
                    MessageBox.Show("Open File Failed");
                    return;
                }

                if (passwordViewer.PDFView.Document.IsLocked)
                {
                    PasswordUI.SetShowText(System.IO.Path.GetFileName(filePath) + " password encrypted.");
                    PasswordUI.ClearPassword();
                    PopupBorder.Visibility = Visibility.Visible;
                    PasswordUI.Visibility = Visibility.Visible;
                }
                else
                {
                    pdfViewer = passwordViewer;
                    LoadDocument();
                }
            }
        }

        private void OpenFile_Click(object sender, RoutedEventArgs e)
        {
            OpenFile(); 
        }

        private void ControlRightPanel()
        {
            if (RightPanelButton != null) 
            {
                if (RightPanelButton.IsChecked == true)
                {
                    if (contentEditControl.pdfContentEditControl != null)
                    {
                        contentEditControl.ExpandRightPropertyPanel(contentEditControl.pdfContentEditControl, Visibility.Visible);
                        if ((bool)ViewSettingBtn.IsChecked)
                        {
                            ViewSettingBtn.IsChecked = false;
                        }
                    }
                }
                else
                {
                    contentEditControl.ExpandRightPropertyPanel(null, Visibility.Collapsed);
                }
            }
        }

        private void RightPanelButton_Click(object sender, RoutedEventArgs e)
        {
            ControlRightPanel();
        }
         
        private void ShowViewSettings()
        {
            if (ViewSettingBtn != null)
            {
                if (ViewSettingBtn.IsChecked == true)
                {
                    CPDFDisplaySettingsControl displayPanel = new CPDFDisplaySettingsControl();
                    displayPanel.InitWithPDFViewer(contentEditControl.PdfViewControl.PDFView);
                    contentEditControl.SetViewSettings(Visibility.Visible, displayPanel);
                    if ((bool)RightPanelButton.IsChecked)
                    {
                        RightPanelButton.IsChecked = false;
                    }
                }
                else
                {
                    contentEditControl.SetViewSettings(Visibility.Collapsed);
                }
            }
        }

        private void ViewSettingBtn_Click(object sender, RoutedEventArgs e)
        {
            ShowViewSettings();
        }

        private void LeftToolPanelButton_Click(object sender, RoutedEventArgs e)
        {
            ToggleButton expandBtn = sender as ToggleButton;
            if (expandBtn != null)
            {
                bool isExpand = expandBtn.IsChecked == true;
                contentEditControl.ExpandLeftPanel(isExpand);
            }
        }
    }
}