PDFOffice_Windows_exe/PDF Office/ViewModels/Tools/AnnotToolContentViewModel.Function.cs

using ComPDFKit.PDFAnnotation;
using ComPDFKit.PDFDocument;
using ComPDFKitViewer;
using ComPDFKitViewer.AnnotEvent;
using ComPDFKitViewer.PdfViewer;
using Dropbox.Api.TeamLog;
using Microsoft.Office.Core;
using Microsoft.Win32;
using PDF_Master.CustomControl;
using PDF_Master.EventAggregators;
using PDF_Master.Helper;
using PDF_Master.Model;
using PDF_Master.Model.AnnotPanel;
using PDF_Master.Model.BOTA;
using PDF_Master.Properties;
using PDF_Master.ViewModels.BOTA;
using PDF_Master.ViewModels.PropertyPanel.AnnotPanel;
using PDF_Master.ViewModels.Tools.AnnotManager;
using PDF_Master.Views.BOTA;
using PDF_Master.Views.PropertyPanel.AnnotPanel;
using PDFSettings;
using Prism.Mvvm;
using Prism.Regions;
using Prism.Services.Dialogs;
using System;
using System.Collections.Generic;
using System.Drawing;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Forms;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using static Dropbox.Api.Sharing.ListFileMembersIndividualResult;
using Color = System.Windows.Media.Color;
using ContextMenu = System.Windows.Controls.ContextMenu;
using FontFamily = System.Windows.Media.FontFamily;
using HorizontalAlignment = System.Windows.HorizontalAlignment;
using MenuItem = System.Windows.Controls.MenuItem;
using OpenFileDialog = Microsoft.Win32.OpenFileDialog;

namespace PDF_Master.ViewModels.Tools
{
    //文件说明：初始化注释工具的数据，注释工具，菜单响应事件
    public sealed partial class AnnotToolContentViewModel : BindableBase, INavigationAware
    {
        #region 初始化

        #region 初始化数据

        //初始化注释的属性值，并存在本地缓存数据集里
        private void InitDefaultValue()
        {
            InitToolBtnUI();
        }

        //注释工具按钮初始化时的属性值
        private void InitToolBtnUI()
        {
            var annotate = Settings.Default.AppProperties.Annotate;
            InitAnnotHighlight(annotate);
            InitAnnotUnderline(annotate);
            InitAnnotSquiggly(annotate);
            InitAnnotStrikeout(annotate);
            InitAnnotFreeHand(annotate);
        }

        private void InitAnnotFreeHand(AnnotatePropertyClass annotate)
        {
            if (annotate != null && annotate.FreeHandColor != Colors.Transparent)
            {
                FreeHandColor = new SolidColorBrush(annotate.FreeHandColor);
            }
            else
            {
                Color color = Color.FromRgb(0x38, 0xE0, 0x2E);
                FreeHandColor = new SolidColorBrush(color);
            }
        }

        private void InitAnnotHighlight(AnnotatePropertyClass annotate)
        {
            //var annotate = Settings.Default.AppProperties.Annotate;
            if (annotate != null && annotate.HighLightColor != Colors.Transparent)
            {
                HighLightColor = new SolidColorBrush(annotate.HighLightColor);
                HighLightOpacity = 1;
            }
            else
            {
                HighLightColor = new SolidColorBrush(Colors.Red);
                HighLightOpacity = 1;
            }
        }

        private void InitAnnotUnderline(AnnotatePropertyClass annotate)
        {
            //var annotate = Settings.Default.AppProperties.Annotate;
            //避免默认值为透明度
            if (annotate != null && annotate.UnderLineColor != Colors.Transparent)
            {
                UnderLineColor = new SolidColorBrush(annotate.UnderLineColor);
                HighLightOpacity = 1;
            }
            else
            {
                UnderLineColor = new SolidColorBrush(Colors.Red);
                UnderLineOpacity = 1;
            }
        }

        private void InitAnnotSquiggly(AnnotatePropertyClass annotate)
        {
            //var annotate = Settings.Default.AppProperties.Annotate;
            if (annotate != null && annotate.StrikethroughColor != Colors.Transparent)
            {
                SquigglyColor = new SolidColorBrush(annotate.StrikethroughColor);
                SquigglyOpacity = 1;
            }
            else
            {
                SquigglyColor = new SolidColorBrush(Colors.Red);
                SquigglyOpacity = 1;
            }
        }

        private void InitAnnotStrikeout(AnnotatePropertyClass annotate)
        {
            //var annotate = Settings.Default.AppProperties.Annotate;
            if (annotate != null && annotate.StrikethroughColor != Colors.Transparent)
            {
                StrikeoutColor = new SolidColorBrush(annotate.StrikethroughColor);
                StrikeoutOpacity = 1;
            }
            else
            {
                StrikeoutColor = new SolidColorBrush(Colors.Red);
                StrikeoutOpacity = 1;
            }
        }

        //在xaml里引用
        public Dictionary<string, string> GetToolTipDict
        { get { return ToolTipDict; } }

        //用来记录选中、创建注释的标识
        private void InitToolDict()
        {
            ToolExpandDict.Add("SnapshotEdit", AnnotArgsType.SnapshotWithEditTool);
            ToolExpandDict.Add("HighLight", AnnotArgsType.AnnotHighlight);
            ToolExpandDict.Add("UnderLine", AnnotArgsType.AnnotUnderline);
            ToolExpandDict.Add("Squiggly", AnnotArgsType.AnnotSquiggly);
            ToolExpandDict.Add("Strikeout", AnnotArgsType.AnnotStrikeout);
            ToolExpandDict.Add("Freehand", AnnotArgsType.AnnotFreehand);
            ToolExpandDict.Add("Freetext", AnnotArgsType.AnnotFreeText);
            ToolExpandDict.Add("StickyNote", AnnotArgsType.AnnotSticky);
            ToolExpandDict.Add("Rect", AnnotArgsType.AnnotSquare);
            ToolExpandDict.Add("Circle", AnnotArgsType.AnnotCircle);
            ToolExpandDict.Add("Arrow", AnnotArgsType.AnnotLine);
            ToolExpandDict.Add("Line", AnnotArgsType.AnnotLine);
            ToolExpandDict.Add("Link", AnnotArgsType.AnnotLink);
            ToolExpandDict.Add("Stamp", AnnotArgsType.AnnotStamp);
        }

        //注释工具按钮悬浮文案
        private void InitToolTipDict()
        {
            ToolTipDict.Add("Hand", "滚动工具");
            ToolTipDict.Add("BtnSelecttool", "内容选择工具");
            ToolTipDict.Add("SnapshotEdit", "内容选择工具");
            ToolTipDict.Add("HighLight", "高亮" + " | Ctrl+Alt+H");
            ToolTipDict.Add("UnderLine", "高亮" + " | Ctrl+Alt+U");
            ToolTipDict.Add("Squiggly", "波浪线" + " | Ctrl+Alt+Q");
            ToolTipDict.Add("Strikeout", "删除线" + " | Ctrl+Alt+S");
            ToolTipDict.Add("Freehand", "手绘");
            ToolTipDict.Add("Freetext", "文字");
            ToolTipDict.Add("StickyNote", "便签");
            ToolTipDict.Add("Rect", "矩形");
            ToolTipDict.Add("Circle", "圆");
            ToolTipDict.Add("Arrow", "箭头");
            ToolTipDict.Add("Line", "线条");
            ToolTipDict.Add("Link", "超链接");
            ToolTipDict.Add("Stamp", "图章");
            ToolTipDict.Add("Image", "图片");
            ToolTipDict.Add("Signature", "签名");
            ToolTipDict.Add("ShowAnnot", "显示/隐藏注释");
        }

        //便签批注弹窗
        private void LoaedStickyNotePopup()
        {
            if (PDFViewer == null) return;

            if (customStickyPopup == null)
            {
                customStickyPopup = new StickyNotePopup(events);
                PDFViewer.SetStickyNotePop(customStickyPopup);
            }
        }

        #endregion 初始化数据

        #endregion 初始化

        #region 注释工具

        //注释工具
        public void FindAnnotTypeKey(string tag, ref AnnotHandlerEventArgs annotArgs, bool isRightMenuAdd = false)
        {
            switch (tag)
            {
                case "SnapshotEdit"://内容选择
                    annotArgs = GetSnapshotEdit();
                    break;

                case "HighLight"://字体高亮
                    annotArgs = GetHighLight();
                    break;

                case "UnderLine"://下划线
                    annotArgs = GetUnderLine();
                    break;

                case "Squiggly"://波浪线
                    annotArgs = GetSquiggly();
                    break;

                case "Strikeout"://删除线
                    annotArgs = GetStrikeout();
                    break;

                case "Freehand"://手绘
                    annotArgs = GetFreehand();
                    break;

                case "Freetext"://文本
                    annotArgs = GetFreetext();
                    break;

                case "StickyNote"://便签
                    annotArgs = GetStickyNote();
                    break;

                case "Rect"://矩形

                    switch (PropertyPanel.SharpsAnnot)
                    {
                        case "Rect":
                            annotArgs = GetRect();
                            break;

                        case "Circle":
                            annotArgs = GetCircle();
                            break;

                        case "Arrow":
                            annotArgs = GetArrowLine("Arrow");
                            break;

                        case "Line":
                            annotArgs = GetArrowLine("Line");
                            break;
                    }
                    break;

                case "Circle"://圆
                    annotArgs = GetCircle();
                    break;

                case "Arrow"://箭头
                case "Line"://线
                    annotArgs = GetArrowLine(tag);
                    break;

                case "Stamp"://图章
                             //付费锁
                    if (!App.IsLogin)
                    {
                        dialogs.ShowDialog(DialogNames.IAPCompareDialog);
                        return;
                    }
                    annotArgs = GetStamp();

                    break;

                case "Image":
                    annotArgs = GetImage();
                    break;

                case "Signature"://签名
                                 //付费锁
                    if (!App.IsLogin)
                    {
                        dialogs.ShowDialog(DialogNames.IAPCompareDialog);
                        return;
                    }
                    annotArgs = GetSignature();
                    PDFViewer.SetMouseMode(MouseModes.PanTool);//清空其他注释
                    break;

                case "Link"://链接
                            //付费锁
                    if (!App.IsLogin)
                    {
                        dialogs.ShowDialog(DialogNames.IAPCompareDialog);
                        return;
                    }
                    PropertyPanel.IsAddLink = true;
                    viewContentViewModel.IsRightMenuCreateLink = isRightMenuAdd;
                    annotArgs = GetLink();
                    break;
            }

            if (annotArgs != null)
                annotArgs.Author = Settings.Default.AppProperties.Description.Author;
        }

        //创建，选中，保留上次属性值的注释
        /// <summary>
        /// 高亮注释
        /// </summary>
        private AnnotHandlerEventArgs GetHighLight(List<AnnotHandlerEventArgs> selectedArgs = null)
        {
            TextHighlightAnnotArgs highlightArgs = null;
            if (selectedArgs == null || selectedArgs.Count == 0)
            {
                highlightArgs = new TextHighlightAnnotArgs();
                highlightArgs.Transparency = highLightOpacity;
                highlightArgs.Color = (HighLightColor as SolidColorBrush).Color;

                if (PropertyPanel.LastAnnotDict[AnnotArgsType.AnnotHighlight] == null)
                {
                    var defaultAnnot = SettingHelper.GetAnnotDefaultProperty(highlightArgs.EventType);
                    if (defaultAnnot == null)
                    {
                        defaultAnnot = new DefaultAnnotProperty();
                        defaultAnnot.AnnotToolType = highlightArgs.EventType;
                        defaultAnnot.ForgoundColor = (HighLightColor as SolidColorBrush).Color;
                        defaultAnnot.Opacity = 1;
                        SettingHelper.SetAnnotDefaultProperty(defaultAnnot);
                        Settings.Default.Save();
                    }
                    else
                    {
                        (HighLightColor as SolidColorBrush).Color = defaultAnnot.ForgoundColor;

                        highlightArgs.Color = defaultAnnot.ForgoundColor;
                    }
                    highLightOpacity = highlightArgs.Transparency = defaultAnnot.Opacity;
                }
                else
                {
                }

                selectedArgs = new List<AnnotHandlerEventArgs>();
                selectedArgs.Add(highlightArgs);
            }
            else
            {
                highlightArgs = selectedArgs[0] as TextHighlightAnnotArgs;
            }
            AddToPropertyPanel("TextAnnotProperty", "HighLight", selectedArgs);
            return highlightArgs;
        }

        /// <summary>
        /// 链接
        /// </summary>
        /// <param name="selectedArgs">所选中的注释</param>
        /// <param name="annotAttribEvent">注释属性列表</param>
        public AnnotHandlerEventArgs GetLink(List<AnnotHandlerEventArgs> selectedArgs = null, AnnotAttribEvent annotAttribEvent = null)
        {
            LinkAnnotArgs linkArgs = new LinkAnnotArgs();

            if (selectedArgs != null && selectedArgs.Count > 0)
            {
                linkArgs = selectedArgs[0] as LinkAnnotArgs;
            }
            else
            {
                linkArgs.URI = string.Empty;
                linkArgs.LinkType = LINK_TYPE.GOTO;
                linkArgs.DestIndex = -1;
                if (linkArgs != null)
                {
                    selectedArgs = new List<AnnotHandlerEventArgs>();
                    selectedArgs.Add(linkArgs);
                    AnnotHandlerEventArgs annotHandler = CreateAnnotFromSelectPageText(linkArgs);
                    if (annotHandler is LinkAnnotArgs annotArgs)
                    {
                        selectedArgs.Clear();
                        selectedArgs.Add(annotArgs);
                        PropertyPanel.IsSelectedTextAddLink = true;
                        //PDFViewer.SelectAnnotation(annotArgs.PageIndex, annotArgs.AnnotIndex);
                        //viewContentViewModel.IsPropertyOpen = true;
                        //return linkArgs;
                    }
                }
            }
            AddToPropertyPanel("LinkAnnotProperty", "Link", selectedArgs, annotAttribEvent);
            return linkArgs;
        }

        /// <summary>
        /// 下划线
        /// </summary>
        /// <param name="selectedArgs"></param>
        private AnnotHandlerEventArgs GetUnderLine(List<AnnotHandlerEventArgs> selectedArgs = null)
        {
            TextUnderlineAnnotArgs underlineArgs = null;

            if (selectedArgs == null || selectedArgs.Count == 0)
            {
                underlineArgs = new TextUnderlineAnnotArgs();
                underlineArgs.Transparency = UnderLineOpacity;
                underlineArgs.Color = (UnderLineColor as SolidColorBrush).Color;
                if (PropertyPanel.LastAnnotDict[AnnotArgsType.AnnotUnderline] == null)
                {
                    var defaultAnnot = SettingHelper.GetAnnotDefaultProperty(underlineArgs.EventType);
                    if (defaultAnnot == null)
                    {
                        defaultAnnot = new DefaultAnnotProperty();
                        defaultAnnot.AnnotToolType = underlineArgs.EventType;
                        defaultAnnot.ForgoundColor = (UnderLineColor as SolidColorBrush).Color;
                        defaultAnnot.Opacity = 1;
                        SettingHelper.SetAnnotDefaultProperty(defaultAnnot);
                        Settings.Default.Save();
                    }

                    UnderLineOpacity = underlineArgs.Transparency = defaultAnnot.Opacity;
                }

                selectedArgs = new List<AnnotHandlerEventArgs>();
                selectedArgs.Add(underlineArgs);
            }
            else
            {
                underlineArgs = selectedArgs[0] as TextUnderlineAnnotArgs;
            }

            AddToPropertyPanel("TextAnnotProperty", "UnderLine", selectedArgs);
            return underlineArgs;
        }

        /// <summary>
        /// 波浪线
        /// </summary>
        /// <param name="selectedArgs"></param>
        /// <returns></returns>
        private AnnotHandlerEventArgs GetSquiggly(List<AnnotHandlerEventArgs> selectedArgs = null)
        {
            TextSquigglyAnnotArgs squigglyArgs = null;

            if (selectedArgs == null || selectedArgs.Count == 0)
            {
                squigglyArgs = new TextSquigglyAnnotArgs();
                squigglyArgs.Transparency = SquigglyOpacity;
                squigglyArgs.Color = (squigglyColor as SolidColorBrush).Color;

                if (PropertyPanel.LastAnnotDict[AnnotArgsType.AnnotSquiggly] == null)
                {
                    var defaultAnnot = SettingHelper.GetAnnotDefaultProperty(squigglyArgs.EventType);
                    if (defaultAnnot == null)
                    {
                        defaultAnnot = new DefaultAnnotProperty();
                        defaultAnnot.AnnotToolType = squigglyArgs.EventType;
                        defaultAnnot.ForgoundColor = (squigglyColor as SolidColorBrush).Color;
                        defaultAnnot.Opacity = 1;
                        SettingHelper.SetAnnotDefaultProperty(defaultAnnot);
                        Settings.Default.Save();
                    }

                    SquigglyOpacity = squigglyArgs.Transparency = defaultAnnot.Opacity;
                }

                selectedArgs = new List<AnnotHandlerEventArgs>();
                selectedArgs.Add(squigglyArgs);
            }
            else
            {
                squigglyArgs = selectedArgs[0] as TextSquigglyAnnotArgs;
            }

            AddToPropertyPanel("TextAnnotProperty", "Squiggly", selectedArgs);
            return squigglyArgs;
        }

        /// <summary>
        /// 删除线
        /// </summary>
        /// <param name="selectedArgs"></param>
        /// <returns></returns>
        private AnnotHandlerEventArgs GetStrikeout(List<AnnotHandlerEventArgs> selectedArgs = null)
        {
            TextStrikeoutAnnotArgs strikeoutArgs = null;

            if (selectedArgs == null || selectedArgs.Count == 0)
            {
                strikeoutArgs = new TextStrikeoutAnnotArgs();
                strikeoutArgs.Transparency = strikeoutOpacity;
                strikeoutArgs.Color = (strikeoutColor as SolidColorBrush).Color;

                if (PropertyPanel.LastAnnotDict[AnnotArgsType.AnnotStrikeout] == null)
                {
                    var defaultAnnot = SettingHelper.GetAnnotDefaultProperty(strikeoutArgs.EventType);
                    if (defaultAnnot == null)
                    {
                        defaultAnnot = new DefaultAnnotProperty();
                        defaultAnnot.AnnotToolType = strikeoutArgs.EventType;
                        defaultAnnot.ForgoundColor = (strikeoutColor as SolidColorBrush).Color;
                        defaultAnnot.Opacity = 1;
                        SettingHelper.SetAnnotDefaultProperty(defaultAnnot);
                        Settings.Default.Save();
                    }

                    strikeoutArgs.Transparency = defaultAnnot.Opacity;
                }

                selectedArgs = new List<AnnotHandlerEventArgs>();
                selectedArgs.Add(strikeoutArgs);
            }
            else
            {
                strikeoutArgs = selectedArgs[0] as TextStrikeoutAnnotArgs;
            }

            AddToPropertyPanel("TextAnnotProperty", "Strikeout", selectedArgs);
            return strikeoutArgs;
        }

        /// <summary>
        /// 手绘
        /// </summary>
        /// <param name="selectedArgs"></param>
        /// <returns></returns>
        private AnnotHandlerEventArgs GetFreehand(List<AnnotHandlerEventArgs> selectedArgs = null)
        {
            FreehandAnnotArgs freehandArgs = null;

            if (selectedArgs == null || selectedArgs.Count == 0)
            {
                freehandArgs = new FreehandAnnotArgs();
                //var annotate = Settings.Default.AppProperties.Annotate;
                //if (annotate != null)
                //{
                //    freehandArgs.InkColor = annotate.FreeHandColor;
                //}
                //else
                //{
                //    freehandArgs.InkColor = Color.FromRgb(0x38, 0xE0, 0x2E);
                //}
                freehandArgs.InkColor = (FreeHandColor as SolidColorBrush).Color;

                if (PropertyPanel.LastAnnotDict[AnnotArgsType.AnnotFreehand] == null)
                {
                    var defaultAnnot = SettingHelper.GetAnnotDefaultProperty(freehandArgs.EventType);
                    if (defaultAnnot == null)
                    {
                        defaultAnnot = new DefaultAnnotProperty();
                        defaultAnnot.AnnotToolType = freehandArgs.EventType;
                        defaultAnnot.ForgoundColor = (FreeHandColor as SolidColorBrush).Color;
                        defaultAnnot.Opacity = 1;
                        defaultAnnot.Thickness = 2;
                        SettingHelper.SetAnnotDefaultProperty(defaultAnnot);
                        Settings.Default.Save();
                    }

                    freehandArgs.Transparency = defaultAnnot.Opacity;
                    freehandArgs.LineWidth = defaultAnnot.Thickness;

                    if (defaultAnnot.DashArray == null || defaultAnnot.DashArray.Count == 0)
                    {
                        freehandArgs.LineDash = DashStyles.Solid;
                    }
                    else
                    {
                        var collect = new DoubleCollection();
                        foreach (var item in defaultAnnot.DashArray)
                        {
                            collect.Add(item);
                        }

                        if (freehandArgs.LineDash == null)
                            freehandArgs.LineDash = new DashStyle();

                        freehandArgs.LineDash.Dashes = collect;
                    }
                }
                else
                {
                    freehandArgs = PropertyPanel.LastAnnotDict[AnnotArgsType.AnnotFreehand] as FreehandAnnotArgs;
                    freehandArgs.AnnotIndex = -1;
                    freehandArgs.PageIndex = -1;
                    freehandArgs.ClientRect = Rect.Empty;
                }

                selectedArgs = new List<AnnotHandlerEventArgs>();
                selectedArgs.Add(freehandArgs);
            }
            else
            {
                freehandArgs = selectedArgs[0] as FreehandAnnotArgs;
                if (NavigatedToFillAndSignVM(selectedArgs, "Freehand"))
                {
                    return freehandArgs;
                }
            }

            AddToPropertyPanel("FreehandAnnotProperty", "Freehand", selectedArgs);
            return freehandArgs;
        }

        /// <summary>
        /// 文本
        /// </summary>
        /// <param name="selectedArgs"></param>
        /// <returns></returns>
        private AnnotHandlerEventArgs GetFreetext(List<AnnotHandlerEventArgs> selectedArgs = null)
        {
            FreeTextAnnotArgs freetextArgs = null;
            TextAlignment textAlignment;

            if (selectedArgs == null || selectedArgs.Count == 0)
            {
                freetextArgs = new FreeTextAnnotArgs();

                var annotate = Settings.Default.AppProperties.Annotate;
                if (annotate != null)
                {
                    freetextArgs.FontColor = annotate.TextAnnoteColor;
                }
                else
                {
                    freetextArgs.FontColor = Colors.Black;
                }

                if (PropertyPanel.LastAnnotDict[AnnotArgsType.AnnotFreeText] == null)
                {
                    var defaultAnnot = SettingHelper.GetAnnotDefaultProperty(freetextArgs.EventType);
                    if (defaultAnnot == null)
                    {
                        defaultAnnot = new DefaultAnnotProperty();
                        defaultAnnot.AnnotToolType = freetextArgs.EventType;
                        defaultAnnot.ForgoundColor = freetextArgs.FontColor;
                        defaultAnnot.BorderColor = Colors.Transparent;
                        defaultAnnot.BackgroundColor = Colors.White;
                        defaultAnnot.Opacity = 1;
                        defaultAnnot.FontFamily = Settings.Default.AppProperties.Annotate.TextFontFamaily;
                        defaultAnnot.FontSize = 14;
                        defaultAnnot.TextAlign = TextAlignment.Left;
                        defaultAnnot.Thickness = 0;
                        defaultAnnot.NoteText = string.Empty;
                        SettingHelper.SetAnnotDefaultProperty(defaultAnnot);
                        Settings.Default.Save();
                    }
                    freetextArgs.FontColor = defaultAnnot.ForgoundColor;
                    freetextArgs.LineColor = defaultAnnot.BorderColor;
                    freetextArgs.BgColor = defaultAnnot.BackgroundColor;
                    freetextArgs.Transparency = defaultAnnot.Opacity;
                    freetextArgs.FontFamily = new FontFamily(defaultAnnot.FontFamily);
                    freetextArgs.FontSize = defaultAnnot.FontSize;
                    freetextArgs.FontWeight = defaultAnnot.FontWeight;
                    freetextArgs.FontStyle = defaultAnnot.FontStyle;
                    freetextArgs.LineWidth = defaultAnnot.Thickness;

                    int align = (int)Settings.Default.AppProperties.Annotate.TextAlign;

                    if (align == 0)
                        textAlignment = TextAlignment.Left;
                    else if (align == 1)
                        textAlignment = TextAlignment.Center;
                    else
                        textAlignment = TextAlignment.Right;

                    freetextArgs.Align = textAlignment;
                }
                else
                {
                    FreeTextAnnotArgs freeText = PropertyPanel.LastAnnotDict[AnnotArgsType.AnnotFreeText] as FreeTextAnnotArgs;
                    freetextArgs = SetFreetextArgs(freeText);
                    //freetextArgs = SetFreetextArgs(freeText);
                    //freetextArgs.Content = string.Empty;
                    //freetextArgs.TextContent = string.Empty;
                }

                if (freetextArgs != null)
                {
                    selectedArgs = new List<AnnotHandlerEventArgs>();
                    selectedArgs.Add(freetextArgs);
                    SelectTextCreateAnnot(freetextArgs);
                }
            }
            else
            {
                FreeTextAnnotArgs freeText = selectedArgs[0] as FreeTextAnnotArgs;
                freetextArgs = SetFreetextArgs(freeText);
                textAlignment = freetextArgs.Align;

                if (NavigatedToFillAndSignVM(selectedArgs, "Freetext"))
                {
                    return freetextArgs;
                }
            }

            AddToPropertyPanel("FreetextAnnotProperty", "Freetext", selectedArgs);
            return freetextArgs;
        }

        private FreeTextAnnotArgs SetFreetextArgs(FreeTextAnnotArgs defaultAnnot)
        {
            FreeTextAnnotArgs freetextArgs = new FreeTextAnnotArgs();
            freetextArgs.FontColor = defaultAnnot.FontColor;
            freetextArgs.LineColor = defaultAnnot.LineColor;
            freetextArgs.BgColor = defaultAnnot.BgColor;
            freetextArgs.Transparency = defaultAnnot.Transparency;
            freetextArgs.FontFamily = defaultAnnot.FontFamily;
            freetextArgs.FontSize = defaultAnnot.FontSize;
            freetextArgs.FontWeight = defaultAnnot.FontWeight;
            freetextArgs.FontStyle = defaultAnnot.FontStyle;
            freetextArgs.LineWidth = defaultAnnot.LineWidth;
            freetextArgs.Align = defaultAnnot.Align;

            return freetextArgs;
        }

        private void SelectTextCreateAnnot(FreeTextAnnotArgs freeText)
        {
            List<TextSelectNode> selectList = PDFViewer.GetSelectTextInfo();

            if (selectList != null && selectList.Count > 0)
            {
                foreach (TextSelectNode selectNode in selectList)
                {
                    FreeTextAnnotArgs textArgs = new FreeTextAnnotArgs();
                    Rect clientRect = Rect.Empty;

                    foreach (Rect rawRect in selectNode.RawRect)
                    {
                        clientRect.Union(rawRect);
                    }
                    if (clientRect.IsEmpty == false)
                    {
                        clientRect = new Rect(
                            clientRect.Left / 72D * 96D,
                            clientRect.Top / 72D * 96D,
                            clientRect.Width / 72D * 96D,
                            clientRect.Height / 72D * 96D);

                        textArgs.ClientRect = DpiHelpers.GetDpiRelatedRect(clientRect);
                        //textArgs.Transparency = 1;
                        //textArgs.BgColor = Colors.Transparent;
                        //textArgs.LineColor = Colors.Red;
                        //textArgs.LineWidth = 2;
                        textArgs.Transparency = freeText.Transparency;
                        textArgs.BgColor = freeText.BgColor;
                        textArgs.LineColor = freeText.LineColor;
                        textArgs.LineWidth = freeText.LineWidth;
                        textArgs.TextContent = selectNode.SelectText;
                        PDFViewer.CreatePageAnnot(selectNode.PageIndex, textArgs);
                    }

                    break;
                }
            }
        }

        //获取选中文字内容的区域大小，以及内容内容所在的页码
        private Tuple<int, Rect> DrawRectCreateAnnot()
        {
            List<TextSelectNode> selectList = PDFViewer.GetSelectTextInfo();
            Rect clientRect = Rect.Empty;
            int pageIndex = -1;
            if (selectList != null && selectList.Count > 0)
            {
                pageIndex = selectList[0].PageIndex;
            }

            if (selectList != null && selectList.Count > 0)
            {
                foreach (TextSelectNode selectNode in selectList)
                {
                    foreach (Rect rawRect in selectNode.RawRect)
                    {
                        clientRect.Union(rawRect);
                    }
                    int dpi = DpiHelpers.Dpi;
                    if (clientRect.IsEmpty == false)
                    {
                        clientRect = new Rect(
                            clientRect.Left / 72D * dpi,
                            clientRect.Top / 72D * dpi,
                            clientRect.Width / 72D * dpi,
                            clientRect.Height / 72D * dpi);
                    }

                    break;
                }
            }

            if (clientRect != Rect.Empty && pageIndex > -1)
            {
                return new Tuple<int, Rect>(pageIndex, clientRect);
            }
            return null;
        }

        /// <summary>
        /// 根据选中的文本内容，来创建指定大小的注释。
        /// </summary>
        /// <param name="annotArgs"></param>
        private AnnotHandlerEventArgs CreateAnnotFromSelectPageText(AnnotHandlerEventArgs annotArgs)
        {
            AnnotHandlerEventArgs annotHandler = null;
            //点击注释工具，在阅读页根据选中的文本内容，创建注释矩形大小
            var drawRectTuple = DrawRectCreateAnnot();
            if (drawRectTuple != null)
            {
                if (annotArgs is LinkAnnotArgs linkAnnot)
                {
                    linkAnnot.ClientRect = drawRectTuple.Item2;
                    linkAnnot.URI = string.Empty;
                    linkAnnot.LinkType = LINK_TYPE.GOTO;
                    linkAnnot.DestIndex = drawRectTuple.Item1;
                    PDFViewer.CreatePageAnnot(drawRectTuple.Item1, linkAnnot);

                    annotHandler = linkAnnot;
                }
                if (annotArgs is SquareAnnotArgs squareAnnot)
                {
                    squareAnnot.ClientRect = drawRectTuple.Item2;
                    PDFViewer.CreatePageAnnot(drawRectTuple.Item1, squareAnnot);
                    annotHandler = squareAnnot;
                }
                if (annotArgs is CircleAnnotArgs circleAnnot)
                {
                    circleAnnot.ClientRect = drawRectTuple.Item2;
                    PDFViewer.CreatePageAnnot(drawRectTuple.Item1, circleAnnot);
                    annotHandler = circleAnnot;
                }
                if (annotArgs is LineAnnotArgs lineAnnot)
                {
                    lineAnnot.ClientRect = drawRectTuple.Item2;
                    PDFViewer.CreatePageAnnot(drawRectTuple.Item1, lineAnnot);
                    annotHandler = lineAnnot;
                }
            }
            return annotHandler;
        }

        //Event导航到填写与签名的属性面板
        private bool NavigatedToFillAndSignVM(List<AnnotHandlerEventArgs> annots, string tag)
        {
            if (viewContentViewModel.FillAndSign != null && viewContentViewModel.FillAndSign.Count > 0 && annots != null && annots.Count > 0)
            {
                var annotFillAndSign = viewContentViewModel.FillAndSign.FirstOrDefault(temp => temp.PageIndex == annots[0].PageIndex && temp.AnnotIndex == annots[0].AnnotIndex);

                if (annotFillAndSign != null)
                {
                    this.events.GetEvent<FillAndSignEvent>().Publish(new FillAndSigntEventArgs { Action = tag, AppUnicode = App.mainWindowViewModel.SelectedItem.Unicode, Annots = annots });
                    return true;
                }
            }
            return false;
        }

        private void FromFillAndSign(FillAndSigntEventArgs obj)
        {
            if (obj != null)
            {
                if (string.IsNullOrEmpty(obj.Action) == false)
                {
                    if (obj.Action == "Clear")
                    {
                        viewContentViewModel.AnnotSignatures.Clear();
                    }
                }
            }
        }

        /// <summary>
        /// 便签
        /// </summary>
        /// <param name="selectedArgs"></param>
        /// <returns></returns>
        private AnnotHandlerEventArgs GetStickyNote(List<AnnotHandlerEventArgs> selectedArgs = null)
        {
            StickyAnnotArgs stickyAnnotArgs = new StickyAnnotArgs();

            if (selectedArgs == null || selectedArgs.Count == 0)
            {
                var annotate = Settings.Default.AppProperties.Annotate;
                if (annotate != null)
                {
                    stickyAnnotArgs.Color = annotate.NoteAnnoteColor;
                }
                else
                {
                    stickyAnnotArgs.Color = Color.FromRgb(0xFF, 0x81, 0x33);
                }

                if (PropertyPanel.LastAnnotDict[AnnotArgsType.AnnotSticky] == null)
                {
                    var defaultAnnot = SettingHelper.GetAnnotDefaultProperty(stickyAnnotArgs.EventType);
                    if (defaultAnnot == null)
                    {
                        defaultAnnot = new DefaultAnnotProperty();
                        defaultAnnot.AnnotToolType = stickyAnnotArgs.EventType;
                        defaultAnnot.NoteText = string.Empty;
                        defaultAnnot.Opacity = 1;
                        SettingHelper.SetAnnotDefaultProperty(defaultAnnot);
                        Settings.Default.Save();
                    }

                    stickyAnnotArgs.Transparency = defaultAnnot.Opacity;
                }
                else
                {
                    stickyAnnotArgs = PropertyPanel.LastAnnotDict[AnnotArgsType.AnnotSticky] as StickyAnnotArgs;
                    stickyAnnotArgs.Content = string.Empty;
                    stickyAnnotArgs.StickyNote = string.Empty;
                }

                if (stickyAnnotArgs != null)
                {
                    selectedArgs = new List<AnnotHandlerEventArgs>();
                    selectedArgs.Add(stickyAnnotArgs);
                }
            }
            else
            {
                stickyAnnotArgs = selectedArgs[0] as StickyAnnotArgs;
            }

            List<AnnotHandlerEventArgs> stickyAnnotArgsList = new List<AnnotHandlerEventArgs>();
            if (stickyAnnotArgs != null)
                stickyAnnotArgsList.Add(stickyAnnotArgs);

            AddToPropertyPanel("StickyNoteProperty", "StickyNote", selectedArgs);
            return stickyAnnotArgs;
        }

        /// <summary>
        /// 矩形
        /// </summary>
        /// <param name="selectedArgs"></param>
        /// <returns></returns>
        public AnnotHandlerEventArgs GetRect(List<AnnotHandlerEventArgs> selectedArgs = null)
        {
            SquareAnnotArgs squareArgs = null;

            if (selectedArgs == null || selectedArgs.Count == 0)
            {
                squareArgs = new SquareAnnotArgs();
                var annotate = Settings.Default.AppProperties.Annotate;
                if (annotate != null)
                {
                    squareArgs.BgColor = annotate.RectangleFillColor;
                    squareArgs.LineColor = annotate.RectangleBorderColor;
                }
                else
                {
                    squareArgs.LineColor = Colors.Red;
                    squareArgs.BgColor = Colors.Red;
                }

                if (PropertyPanel.LastAnnotDict[AnnotArgsType.AnnotSquare] == null)
                {
                    var defaultAnnot = SettingHelper.GetAnnotDefaultProperty(squareArgs.EventType);
                    if (defaultAnnot == null)
                    {
                        defaultAnnot = new DefaultAnnotProperty();
                        defaultAnnot.AnnotToolType = squareArgs.EventType;
                        defaultAnnot.Thickness = 1;
                        defaultAnnot.Opacity = 1;
                        SettingHelper.SetAnnotDefaultProperty(defaultAnnot);
                        Settings.Default.Save();
                    }

                    squareArgs.LineWidth = defaultAnnot.Thickness;
                    squareArgs.Transparency = defaultAnnot.Opacity;

                    if (defaultAnnot.DashArray == null || defaultAnnot.DashArray.Count == 0)
                    {
                        squareArgs.LineDash = DashStyles.Solid;
                    }
                    else
                    {
                        var collect = new DoubleCollection();
                        foreach (var item in defaultAnnot.DashArray)
                        {
                            collect.Add(item);
                        }

                        if (squareArgs.LineDash == null)
                            squareArgs.LineDash = new DashStyle();

                        squareArgs.LineDash.Dashes = collect;
                    }
                }
                else
                {
                    SquareAnnotArgs squareAnnot = PropertyPanel.LastAnnotDict[AnnotArgsType.AnnotSquare] as SquareAnnotArgs;
                    squareArgs.BgColor = squareAnnot.BgColor;
                    squareArgs.LineColor = squareAnnot.LineColor;
                    squareArgs.LineWidth = squareAnnot.LineWidth;
                    squareArgs.Transparency = squareAnnot.Transparency;
                    squareArgs.LineDash = squareAnnot.LineDash;
                    squareArgs.ClientRect = Rect.Empty;
                }

                if (squareArgs != null)
                {
                    selectedArgs = new List<AnnotHandlerEventArgs>();
                    selectedArgs.Add(squareArgs);
                    //CreateAnnotFromSelectPageText(squareArgs);
                    AnnotHandlerEventArgs annotHandler = CreateAnnotFromSelectPageText(squareArgs);
                    if (annotHandler is SquareAnnotArgs annotArgs)
                    {
                        selectedArgs.Clear();
                        selectedArgs.Add(annotArgs);
                        PropertyPanel.IsSelectedTextAddShape = true;
                    }
                }
            }
            else
            {
                squareArgs = selectedArgs[0] as SquareAnnotArgs;
            }

            AddToPropertyPanel("SharpsAnnotProperty", "Rect", selectedArgs);
            return squareArgs;
        }

        /// <summary>
        /// 圆
        /// </summary>
        /// <param name="selectedArgs"></param>
        /// <returns></returns>
        public AnnotHandlerEventArgs GetCircle(List<AnnotHandlerEventArgs> selectedArgs = null)
        {
            CircleAnnotArgs circleAnnotArgs = null;

            if (selectedArgs == null || selectedArgs.Count == 0)
            {
                circleAnnotArgs = new CircleAnnotArgs();
                var annotate = Settings.Default.AppProperties.Annotate;
                if (annotate != null)
                {
                    circleAnnotArgs.LineColor = annotate.CircleBorderColor;
                    circleAnnotArgs.BgColor = annotate.CircleFillColor;
                }
                else
                {
                    circleAnnotArgs.LineColor = Colors.Red;
                    circleAnnotArgs.BgColor = Colors.Red;
                }

                if (PropertyPanel.LastAnnotDict[AnnotArgsType.AnnotCircle] == null)
                {
                    var defaultAnnot = SettingHelper.GetAnnotDefaultProperty(circleAnnotArgs.EventType);
                    if (defaultAnnot == null)
                    {
                        defaultAnnot = new DefaultAnnotProperty();
                        defaultAnnot.AnnotToolType = circleAnnotArgs.EventType;
                        defaultAnnot.Thickness = 1;
                        defaultAnnot.Opacity = 1;
                        defaultAnnot.NoteText = string.Empty;
                        defaultAnnot.DashArray = null;
                        SettingHelper.SetAnnotDefaultProperty(defaultAnnot);
                        Settings.Default.Save();
                    }

                    circleAnnotArgs.LineWidth = defaultAnnot.Thickness;
                    circleAnnotArgs.Transparency = defaultAnnot.Opacity;

                    if (defaultAnnot.DashArray == null || defaultAnnot.DashArray.Count == 0)
                    {
                        circleAnnotArgs.LineDash = DashStyles.Solid;
                    }
                    else
                    {
                        var collect = new DoubleCollection();
                        foreach (var item in defaultAnnot.DashArray)
                        {
                            collect.Add(item);
                        }

                        if (circleAnnotArgs.LineDash == null)
                            circleAnnotArgs.LineDash = new DashStyle();

                        circleAnnotArgs.LineDash.Dashes = collect;
                    }
                }
                else
                {
                    CircleAnnotArgs circleAnnot = PropertyPanel.LastAnnotDict[AnnotArgsType.AnnotCircle] as CircleAnnotArgs;
                    circleAnnotArgs.LineColor = circleAnnot.LineColor;
                    circleAnnotArgs.BgColor = circleAnnot.BgColor;
                    circleAnnotArgs.LineWidth = circleAnnot.LineWidth;
                    circleAnnotArgs.Transparency = circleAnnot.Transparency;
                    circleAnnotArgs.LineDash = circleAnnot.LineDash;
                    circleAnnotArgs.ClientRect = Rect.Empty;
                }

                if (circleAnnotArgs != null)
                {
                    selectedArgs = new List<AnnotHandlerEventArgs>();
                    selectedArgs.Add(circleAnnotArgs);
                    AnnotHandlerEventArgs annotHandler = CreateAnnotFromSelectPageText(circleAnnotArgs);
                    if (annotHandler is CircleAnnotArgs annotArgs)
                    {
                        selectedArgs.Clear();
                        selectedArgs.Add(annotArgs);
                        PropertyPanel.IsSelectedTextAddShape = true;
                    }
                }
            }
            else
            {
                circleAnnotArgs = selectedArgs[0] as CircleAnnotArgs;
            }

            AddToPropertyPanel("SharpsAnnotProperty", "Circle", selectedArgs);
            return circleAnnotArgs;
        }

        /// <summary>
        /// 箭头 线
        /// </summary>
        /// <param name="TagStr"></param>
        /// <param name="selectedArgs"></param>
        /// <returns></returns>
        public AnnotHandlerEventArgs GetArrowLine(string TagStr, List<AnnotHandlerEventArgs> selectedArgs = null)
        {
            LineAnnotArgs lineArgs = new LineAnnotArgs();

            if (selectedArgs == null || selectedArgs.Count == 0)
            {
                var annotate = Settings.Default.AppProperties.Annotate;
                if (annotate != null)
                {
                    lineArgs.LineColor = annotate.LineColor;
                }
                else
                {
                    lineArgs.LineColor = Colors.Red;
                }
                //lineArgs.LineColor = Colors.Red;
                lineArgs.HeadLineType = C_LINE_TYPE.LINETYPE_NONE;
                bool isLastAnnot = false;
                if (TagStr == "Line")
                {
                    lineArgs.TailLineType = C_LINE_TYPE.LINETYPE_NONE;
                    isLastAnnot = (PropertyPanel.LastAnnotDict[AnnotArgsType.AnnotLine] != null ? true : false);
                }
                else
                {
                    lineArgs.TailLineType = C_LINE_TYPE.LINETYPE_ARROW;
                    isLastAnnot = (PropertyPanel.LastArrowAnnot != null ? true : false);
                }

                if (isLastAnnot == false)
                {
                    var defaultAnnot = SettingHelper.GetAnnotDefaultProperty(lineArgs.EventType);
                    if (defaultAnnot == null)
                    {
                        defaultAnnot = new DefaultAnnotProperty();
                        defaultAnnot.AnnotToolType = lineArgs.EventType;
                        defaultAnnot.Thickness = 1;
                        defaultAnnot.Opacity = 1;
                        defaultAnnot.NoteText = string.Empty;
                        defaultAnnot.DashArray = null;
                        SettingHelper.SetAnnotDefaultProperty(defaultAnnot);
                        Settings.Default.Save();
                    }

                    lineArgs.LineDash = DashStyles.Solid;
                    lineArgs.LineWidth = defaultAnnot.Thickness;
                    lineArgs.Transparency = defaultAnnot.Opacity;

                    if (defaultAnnot.DashArray == null || defaultAnnot.DashArray.Count == 0)
                    {
                        lineArgs.LineDash = DashStyles.Solid;
                    }
                    else
                    {
                        var collect = new DoubleCollection();
                        foreach (var item in defaultAnnot.DashArray)
                        {
                            collect.Add(item);
                        }

                        if (lineArgs.LineDash == null)
                            lineArgs.LineDash = new DashStyle();

                        lineArgs.LineDash.Dashes = collect;
                    }
                }
                else
                {
                    LineAnnotArgs lineAnnot = null;
                    if (lineArgs.TailLineType == C_LINE_TYPE.LINETYPE_ARROW)
                    {
                        lineAnnot = PropertyPanel.LastArrowAnnot as LineAnnotArgs;
                    }
                    else
                    {
                        lineAnnot = PropertyPanel.LastAnnotDict[AnnotArgsType.AnnotLine] as LineAnnotArgs;
                    }

                    lineArgs.LineColor = lineAnnot.LineColor;
                    lineArgs.HeadLineType = lineAnnot.HeadLineType;
                    lineArgs.TailLineType = lineAnnot.TailLineType;
                    lineArgs.LineWidth = lineAnnot.LineWidth;
                    lineArgs.Transparency = lineAnnot.Transparency;
                    lineArgs.LineDash = lineAnnot.LineDash;
                }

                if (lineArgs != null)
                {
                    selectedArgs = new List<AnnotHandlerEventArgs>();
                    selectedArgs.Add(lineArgs);
                }
            }
            else
            {
                lineArgs = selectedArgs[0] as LineAnnotArgs;
            }

            AddToPropertyPanel("SharpsAnnotProperty", TagStr, selectedArgs);
            return lineArgs;
        }

        /// <summary>
        /// 图章
        /// </summary>
        /// <returns></returns>
        private AnnotHandlerEventArgs GetStamp()
        {
            StampAnnotArgs stampAnnotArgs = new StampAnnotArgs();
            stampAnnotArgs.Opacity = 1;
            stampAnnotArgs.StampText = "APPROVED";
            stampAnnotArgs.Type = StampType.STANDARD_STAMP;

            List<AnnotHandlerEventArgs> stampAnnotArgsList = new List<AnnotHandlerEventArgs>();
            if (stampAnnotArgs != null)
                stampAnnotArgsList.Add(stampAnnotArgs);

            if (string.IsNullOrEmpty(StrAnnotToolChecked) || StrAnnotToolChecked != "Stamp")
            {
                if (IsNoSelectMenu)
                {
                    AddToPropertyPanel("StampAnnotProperty", null, stampAnnotArgsList);
                    return stampAnnotArgs;
                }
                viewContentViewModel.SelectedPrpoertyPanel("PropertyPanelContent", null);
                return stampAnnotArgs;
            }
            AddToPropertyPanel("StampAnnotProperty", null, stampAnnotArgsList);
            return stampAnnotArgs;
        }

        /// <summary>
        /// 签名
        /// </summary>
        /// <returns></returns>
        private AnnotHandlerEventArgs GetSignature()
        {
            AddToPropertyPanel("SignatureAnnotProperty");
            return null;
        }

        private AnnotHandlerEventArgs GetImage()
        {
            StampAnnotArgs stampArgs = new StampAnnotArgs();
            stampArgs.Opacity = 1;
            stampArgs.Type = StampType.IMAGE_STAMP;
            OpenFileDialog openFileDialog = new OpenFileDialog();
            openFileDialog.Filter = "Image Files(*.jpg;*.jpeg;*.png;*.bmp)|*.jpg;*.jpeg;*.png;*.bmp;";
            if (openFileDialog.ShowDialog() == true)
            {
                stampArgs.ImagePath = openFileDialog.FileName;
            }

            List<AnnotHandlerEventArgs> stampArgsList = new List<AnnotHandlerEventArgs>();
            if (stampArgs != null)
                stampArgsList.Add(stampArgs);

            AddToPropertyPanel("ImageAnnotProperty", null, stampArgsList);
            return stampArgs;
        }

        /// <summary>
        /// 内容选择
        /// </summary>
        /// <param name="annotBtn"></param>
        /// <returns></returns>
        private AnnotHandlerEventArgs GetSnapshotEdit()
        {
            SnapshotEditToolArgs snapshotArgs = new SnapshotEditToolArgs();
            //SnapshotEditMenuViewModel snapshotEditMenuViewModel = new SnapshotEditMenuViewModel();
            snapshotArgs.ControlPointColor = Colors.White;
            snapshotArgs.BgColor = Color.FromArgb(0x99, 0x00, 0x00, 0x00);
            snapshotArgs.LineColor = Color.FromArgb(0xFF, 0x47, 0x7E, 0xDE);

            SnapshotEditMenuViewModel.SnapToolArgs = snapshotArgs;
            SnapshotEditMenuViewModel.PDFViewer = PDFViewer;
            SnapshotEditMenuViewModel.SnapToolEvent -= SnapshotEditMenuViewModel_SnapToolEvent;
            SnapshotEditMenuViewModel.SnapToolEvent += SnapshotEditMenuViewModel_SnapToolEvent;

            #region to do

            //SnapshotEditMenu snapMenu = new SnapshotEditMenu();
            //snapshotArgs.ToolPanel = snapMenu;
            //SnapshotEditMenuViewModel snapshotEditMenuViewModel = (SnapshotEditMenuViewModel)snapMenu.DataContext;
            //snapshotEditMenuViewModel.SnapToolArgs = snapshotArgs;
            //snapshotEditMenuViewModel.PDFViewer = PDFViewer;
            //snapshotEditMenuViewModel.ToggleBtn = annotBtn;
            //snapshotEditMenuViewModel.SnapToolEvent += SnapshotEditMenuViewModel_SnapToolEvent;
            //SnapshotEditMenuViewModel = snapshotEditMenuViewModel;

            #endregion to do

            StrAnnotToolChecked = "";
            return snapshotArgs;
        }

        #endregion 注释工具

        #region 菜单

        private bool InBookModeSetIsEnabled(MenuItem menuItem)
        {
            if (viewContentViewModel.mainViewModel.IsBookMode)
            {
                menuItem.IsEnabled = false;
                return true;
            }
            else
            {
                menuItem.IsEnabled = true;
                return false;
            }
        }

        private void ExportPicture_MenuItemClick()
        {
            //图片提取

            try
            {
                List<System.Drawing.Bitmap> imageList = new List<System.Drawing.Bitmap>();
                Dictionary<int, List<System.Drawing.Bitmap>> imageDict = PDFViewer?.GetSelectedImages();
                foreach (int pageIndex in imageDict.Keys)
                {
                    imageList = imageDict[pageIndex];
                }
                string path = PDFViewer.Document.FileName;
                System.Windows.Forms.FolderBrowserDialog folderDialog = new FolderBrowserDialog();
                if (folderDialog.ShowDialog() == System.Windows.Forms.DialogResult.OK)
                {
                    int i = 1;
                    int pagenum = 1;
                    string choosePath = folderDialog.SelectedPath;
                    string sPath = choosePath + "\\" + path + "_Extract Image";
                    sPath = GetExportPathName(sPath);

                    if (!Directory.Exists(sPath))
                    {
                        Directory.CreateDirectory(sPath);
                    }
                    if (Directory.Exists(sPath))
                    {
                        foreach (System.Drawing.Bitmap image in imageList)
                        {
                            foreach (var item in imageDict.Keys)
                            {
                                pagenum = item;
                            }
                            string filename = path + "_" + "Page" + (pagenum + 1).ToString() + "_" + GetNum(i);
                            string savePath = System.IO.Path.Combine(sPath, filename + ".jpg");
                            image.Save(savePath, System.Drawing.Imaging.ImageFormat.Jpeg);
                            i++;
                        }
                        System.Diagnostics.Process.Start("explorer", "/select,\"" + sPath + "\"");
                    }
                }
            }
            catch (Exception ex) { }
        }

        public string GetExportPathName(string path)
        {
            int i = 1;
            string outpath = path;
            while (Directory.Exists(outpath))
            {
                outpath = path + $"({i.ToString()})";
                i++;
            }
            return outpath;
        }

        private string GetNum(int num)
        {
            if (num % 10 < 1)
            {
                return "00" + num.ToString();
            }
            if (num % 10 >= 1 && num % 10 < 10)
            {
                return "0" + num.ToString();
            }
            else
            {
                return num.ToString();
            }
        }

        #endregion 菜单
    }
}