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

using ComPDFKit.PDFDocument;
using ComPDFKitViewer;
using ComPDFKitViewer.AnnotEvent;
using PDF_Office.CustomControl.CompositeControl;
using PDF_Office.Helper;
using Prism.Mvvm;
using Prism.Regions;
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.Input;
using System.Windows.Media;

namespace PDF_Office.ViewModels.Tools
{
    //文件说明：与布局相关的代码逻辑：菜单、属性面板
    public sealed partial class AnnotToolContentViewModel : BindableBase, INavigationAware
    {
        #region 属性面板

        /// <summary>
        /// 导航到同一个注释xaml时，需要区分某个注释；比如高亮、删除线、下划线
        /// </summary>
        /// <param name="viewContent">对应的注释面板</param>
        /// <param name="toolTag">导航到同一个注释xaml时，需要区分某个注释；比如高亮、删除线、下划线</param>
        /// <param name="annot">注释</param>
        /// <param name="annotAttribsList">更改注释属性的键值对，更改值后会自动记录undoRedo容器里</param>
        private void AddToPropertyPanel(string viewContent, string toolTag = null, List<AnnotHandlerEventArgs> annots = null, Dictionary<AnnotAttrib, object> annotAttribsList = null, AnnotAttribEvent annotAttribEvent = null)
        {
            if (annots != null)
            {
                propertyPanel.annotlists = annots;
                propertyPanel.annot = annots[0];
            }
            else
            {
                propertyPanel.annotlists = null;
                propertyPanel.annot = null;
            }

            if (annotAttribsList != null)
            {
                if (annots.Count > 1)
                {
                    if (propertyPanel.AnnotEvents == null)
                        propertyPanel.AnnotEvents = new List<AnnotAttribEvent>();

                    propertyPanel.AnnotEvents.Clear();

                    foreach (var itemAnnot in annots)
                    {
                        var eventitem = AnnotAttribEvent.GetAnnotAttribEvent(itemAnnot, annotAttribsList);
                        propertyPanel.AnnotEvents.Add(eventitem);
                    }
                }

                propertyPanel.AnnotEvent = AnnotAttribEvent.GetAnnotAttribEvent(annots[0], annotAttribsList);
                if (annots[0] is LinkAnnotArgs && annotAttribEvent != null)
                {
                    propertyPanel.AnnotEvent = annotAttribEvent;
                }
            }

            if (string.IsNullOrEmpty(viewContent) == false)
            {
                viewContentViewModel.SelectedPrpoertyPanel(viewContent, propertyPanel);
            }
        }

        /// <summary>
        /// 展开显示属性面板
        /// </summary>
        private void ShowPropertyPanel(bool show = true)
        {
            viewContentViewModel.IsPropertyOpen = show;
        }

        #endregion 属性面板

        #region 阅读页 - 右键菜单

        private ContextMenu ViewerContextMenu()
        {
            ContextMenu contextMenu = App.Current.FindResource("ViewerContextMenu") as ContextMenu;
            //contextMenu.Loaded += ContextMenu_Loaded;
            ViewerContextMenu_Loaded(contextMenu, null);
            return contextMenu;
        }

        private void ViewerContextMenu_Loaded(object sender, RoutedEventArgs e)
        {
            ContextMenu contextMenu = sender as ContextMenu;
            if (contextMenu.Items.Count > 0)
            {
                int index = PDFViewer.CurrentIndex;
                //检测是否已存在相同数据
                CPDFBookmark list = PDFViewer.Document.GetBookmarkList().FirstOrDefault(q => q.PageIndex == index);
                if (list != null)
                {
                    isAddBookMark = false;
                }
                else
                {
                    isAddBookMark = true;
                }

                foreach (var item in contextMenu.Items)
                {
                    if (item is MenuItem menuItem1)
                    {
                        //if (menuItem1.Tag.ToString() == "DisplayAnnot" || menuItem1.Tag.ToString() == "HiddenAnnot")
                        //{
                        //    SetMenuItemVisibility(menuItem1, "DisplayAnnot", "HiddenAnnot", isHiddenAnnot);
                        //}

                        switch (menuItem1.Tag.ToString())
                        {
                            case "Copy":
                                //粘贴
                                if (!ApplicationCommands.Paste.CanExecute(null, (UIElement)sender))
                                {
                                    menuItem1.IsEnabled = false;
                                    menuItem1.Opacity = 0.5;
                                }
                                else
                                {
                                    menuItem1.IsEnabled = true;
                                    menuItem1.Opacity = 1;
                                }
                                menuItem1.CommandTarget = (UIElement)sender;
                                menuItem1.Command = ApplicationCommands.Copy;
                                break;

                            case "AddAnnotation":
                                if (menuItem1.Items.Count > 0)
                                {
                                    SetAddAnnotation(menuItem1.Items);
                                }
                                break;

                            case "HiddenAnnot":
                                menuItem1.Click -= HiddenAnnot_Click;

                                menuItem1.Click += HiddenAnnot_Click;
                                SetMenuItemVisibility(menuItem1, "DisplayAnnot", "HiddenAnnot", isHiddenAnnot);

                                break;

                            case "DisplayAnnot":

                                menuItem1.Click -= DisplayAnnot_Click;
                                menuItem1.Click += DisplayAnnot_Click;
                                SetMenuItemVisibility(menuItem1, "DisplayAnnot", "HiddenAnnot", isHiddenAnnot);
                                break;

                            case "AddBookMark":
                                //menuItem1.Click -= AddBookMark_Click;
                                //menuItem1.Click += AddBookMark_Click;
                                menuItem1.Command = AddBookMarkCommand;
                                SetMenuItemVisibility(menuItem1, "DelBookMark", "AddBookMark", isAddBookMark);
                                break;

                            case "DelBookMark":
                                menuItem1.Click -= DelBookMark_Click;
                                menuItem1.Click += DelBookMark_Click;
                                SetMenuItemVisibility(menuItem1, "DelBookMark", "AddBookMark", isAddBookMark);
                                break;

                            case "ToolMode":
                                if (menuItem1.Items.Count > 0)
                                {
                                    SetToolMode(menuItem1.Items);
                                }
                                break;

                            case "ReadModel":
                                SetMenuItemVisibility(menuItem1, "ReadModel", "UnReadModel", App.IsBookMode);
                                menuItem1.Click -= ReadModel_Click;
                                menuItem1.Click += ReadModel_Click;
                                break;

                            case "UnReadModel":
                                SetMenuItemVisibility(menuItem1, "ReadModel", "UnReadModel", App.IsBookMode);
                                menuItem1.Click -= UnReadModel_Click;
                                menuItem1.Click += UnReadModel_Click;
                                break;

                            case "ViewZoom":
                                if (menuItem1.Items.Count > 0)
                                {
                                    ViewZoom(menuItem1.Items);
                                }
                                break;

                            case "PageDisplay":
                                if (menuItem1.Items.Count > 0)
                                {
                                    PageDisplay(menuItem1.Items);
                                }
                                break;

                            case "Select":
                                menuItem1.Click -= Select_Click;

                                menuItem1.Click += Select_Click;
                                break;

                            case "Print":
                                menuItem1.Command = viewContentViewModel.PrintCommand;
                                break;
                        }
                    }
                }
            }
        }

        private void SetMenuItemVisibility(MenuItem menuItem1, string right, string deny, bool flag)
        {
            if (menuItem1.Tag.ToString() == right && flag)
            {
                menuItem1.Visibility = Visibility.Collapsed;
            }
            if (menuItem1.Tag.ToString() == right && flag == false)
            {
                menuItem1.Visibility = Visibility.Visible;
            }
            if (menuItem1.Tag.ToString() == deny && flag == false)
            {
                menuItem1.Visibility = Visibility.Collapsed;
            }
            if (menuItem1.Tag.ToString() == deny && flag)
            {
                menuItem1.Visibility = Visibility.Visible;
            }
        }

        private ContextMenu NoneSelectAnnotContextMenu(object sender, AnnotCommandArgs annotCommand)
        {
            ContextMenu popMenu = new ContextMenu();
            popMenu.FontSize = 14;

            MenuItem menuItem = new MenuItem();
            menuItem = new MenuItem();
            menuItem.CommandTarget = (UIElement)sender;
            menuItem.Command = ApplicationCommands.Copy;
            popMenu.Items.Add(menuItem);

            menuItem = new MenuItem();
            menuItem.CommandTarget = (UIElement)sender;
            menuItem.Command = ApplicationCommands.Paste;
            popMenu.Items.Add(menuItem);

            Separator separator = null;
            if (annotCommand.CommandTarget == TargetType.ImageSelection)
            {
                separator = SetSeparator();
                popMenu.Items.Add(separator);

                SetSelectTextOrImageMenuItem("导出图片...", "ExportPicture", annotCommand, out menuItem);
                popMenu.Items.Add(menuItem);
            }
            else if (annotCommand.CommandTarget == TargetType.Annot)
            {
                separator = SetSeparator();
                popMenu.Items.Add(separator);

                SetSelectTextOrImageMenuItem("高亮", "HighLight", annotCommand, out menuItem);
                popMenu.Items.Add(menuItem);

                SetSelectTextOrImageMenuItem("下划线", "UnderLine", annotCommand, out menuItem);
                popMenu.Items.Add(menuItem);

                SetSelectTextOrImageMenuItem("删除线", "Strikeout", annotCommand, out menuItem);
                popMenu.Items.Add(menuItem);
            }
            separator = SetSeparator();
            popMenu.Items.Add(separator);

            SetSelectTextOrImageMenuItem("文本", "Freetext", annotCommand, out menuItem);
            popMenu.Items.Add(menuItem);

            SetSelectTextOrImageMenuItem("便签", "StickyNote", annotCommand, out menuItem);
            popMenu.Items.Add(menuItem);

            separator = SetSeparator();
            popMenu.Items.Add(separator);

            SetSelectTextOrImageMenuItem("矩形", "Rect", annotCommand, out menuItem);
            popMenu.Items.Add(menuItem);

            SetSelectTextOrImageMenuItem("椭圆形", "Circle", annotCommand, out menuItem);
            popMenu.Items.Add(menuItem);

            SetSelectTextOrImageMenuItem("直线", "Line", annotCommand, out menuItem);
            popMenu.Items.Add(menuItem);

            separator = SetSeparator();
            popMenu.Items.Add(separator);

            SetSelectTextOrImageMenuItem("添加链接", "Link", annotCommand, out menuItem);
            popMenu.Items.Add(menuItem);

            SetSelectTextOrImageMenuItem("添加大纲", "OutLine", annotCommand, out menuItem);
            popMenu.Items.Add(menuItem);

            return popMenu;
        }

        private void SetSelectTextOrImageMenuItem(string header, string tag, AnnotCommandArgs annotCommand, out MenuItem menuItem)
        {
            menuItem = new MenuItem();
            menuItem.Header = header;
            menuItem.Tag = tag;
            menuItem.Click -= AnnotToolMenu_Click;
            menuItem.Click += AnnotToolMenu_Click;
            menuItem.CommandParameter = annotCommand;
        }

        private Separator SetSeparator()
        {
            Separator separator = new Separator
            {
                Height = 1,
                BorderBrush = new SolidColorBrush((Color)ColorConverter.ConvertFromString("#33000000")),
                BorderThickness = new Thickness(1),
                Style = (Style)App.Current.FindResource(System.Windows.Controls.ToolBar.SeparatorStyleKey)
            };
            return separator;
        }

        #endregion 阅读页 - 右键菜单

        #region 注释-右键菜单

        //高亮注释，右键菜单
        private ContextMenu SelectHightAnnotMenu(object sender)
        {
            var popMenu = App.Current.FindResource("HightAnnotContextMenu") as ContextMenu;
            CustomPopMenu customMenu = new CustomPopMenu(popMenu, sender);
            //颜色列表
            ColorContent colorContent = new ColorContent();
            colorContent.DataContext = sender;
            colorContent.SelectedColorHandler -= colorContent_SelectedColorHandler;
            colorContent.SelectedColorHandler += colorContent_SelectedColorHandler;
            customMenu.SetMenuUI(0,colorContent);
            //复制文本
            customMenu.SetMenuBinding(1, HightAnnotCopyText_MenuCommand);
            //删除
            customMenu.SetMenuBinding(2, ApplicationCommands.Delete);
            //添加笔记
            customMenu.SetMenuBinding(3, AnnotAddNoteText_MenuCommand);
            //设置当前属性为默认值
            customMenu.SetMenuBinding(4, AnnotDefaultValue_MenuCommand);
            return popMenu;
        }

        private void colorContent_SelectedColorHandler(object sender, Color e)
        {
            if (e == null) return;

            var annot =(sender as FrameworkElement).DataContext as AnnotHandlerEventArgs;
            if(annot != null)
            {
                var test = annot as TextHighlightAnnotArgs;
                if(test != null)
                {
                    var anvent = AnnotAttribEvent.GetAnnotAttribEvent(test, test.GetAnnotAttrib());
                    anvent.UpdateAttrib(AnnotAttrib.Color, e);
                    anvent.UpdateAnnot();
                }
               
            }
        }

        //手绘
        private ContextMenu SelectFreeHandAnnotMenu(object sender)
        {
            var popMenu = App.Current.FindResource("FreeHandAnnotContextMenu") as ContextMenu;
            CustomPopMenu customMenu = new CustomPopMenu(popMenu, sender);
            //复制
            customMenu.SetMenuBinding(0, ApplicationCommands.Copy);
            //剪切
            customMenu.SetMenuBinding(1, ApplicationCommands.Cut);
            //粘贴
            customMenu.SetMenuBinding(2, ApplicationCommands.Paste);
            //删除
            customMenu.SetMenuBinding(3, ApplicationCommands.Delete);
            //颜色
            customMenu.SetMenuBinding(4, AnnotColorPalette_MenuCommand);
            //线段样式
            var freeHand = sender as FreehandAnnotArgs;
            bool IsSolid = true;
            if (freeHand != null)
            {
                IsSolid = AnnotPropertyPanel.IsSolidStyle(freeHand.LineDash);
                
            }
            customMenu.SetSubMenuBinding(5, 0, FreeHandLineStyle_MenuCommand,null, IsSolid);
            customMenu.SetSubMenuBinding(5, 1, FreeHandLineStyle_MenuCommand, null, !IsSolid);
            //添加笔记
            customMenu.SetMenuBinding(6, AnnotAddNoteText_MenuCommand);
            //设置当前属性为默认值
            customMenu.SetMenuBinding(7, AnnotDefaultValue_MenuCommand);
            return popMenu;
        }

        //文本
        private ContextMenu SelectFreeTextAnnotMenu(object sender)
        {
            var popMenu = App.Current.FindResource("FreeTextAnnotContextMenu") as ContextMenu;
            CustomPopMenu customMenu = new CustomPopMenu(popMenu, sender);
            //复制
            customMenu.SetMenuBinding(0, ApplicationCommands.Copy);
            //剪切
            customMenu.SetMenuBinding(1, ApplicationCommands.Cut);
            //粘贴
            customMenu.SetMenuBinding(2, ApplicationCommands.Paste);
            //删除
            customMenu.SetMenuBinding(3, ApplicationCommands.Delete);
            //文本颜色
            customMenu.SetMenuBinding(4, AnnotColorPalette_MenuCommand);
            //字体
            var annot = sender as FreeTextAnnotArgs;

            customMenu.SetSubMenuBinding(5, 0, FreeTextFontFamily_MenuCommand, null, (annot != null && annot.FontFamily.ToString() == "Arial") ?true:false);
            customMenu.SetSubMenuBinding(5, 1, FreeTextFontFamily_MenuCommand, null,(annot != null && annot.FontFamily.ToString() == "Courier") ? true : false);
            customMenu.SetSubMenuBinding(5, 2, FreeTextFontFamily_MenuCommand, null, (annot != null && annot.FontFamily.ToString() == "Times New Roman") ? true : false);

            //文本对齐
            customMenu.SetSubMenuBinding(6, 0, FreeTextAglin_MenuCommand, null, (annot != null && annot.Align == TextAlignment.Left) ? true : false);
            customMenu.SetSubMenuBinding(6, 1, FreeTextAglin_MenuCommand, null, (annot != null && annot.Align == TextAlignment.Center) ? true : false);
            customMenu.SetSubMenuBinding(6, 2, FreeTextAglin_MenuCommand, null, (annot != null && annot.Align == TextAlignment.Right) ? true : false);
            //设置当前属性为默认值
            customMenu.SetMenuBinding(7, AnnotDefaultValue_MenuCommand);
            return popMenu;
        }

        //便签
        private ContextMenu SelectStrickNoteAnnotMenu(object sender)
        {
            var popMenu = App.Current.FindResource("StrickNoteAnnotContextMenu") as ContextMenu;
            CustomPopMenu customMenu = new CustomPopMenu(popMenu, sender);
            //复制
            customMenu.SetMenuBinding(0, ApplicationCommands.Copy);
            //剪切
            customMenu.SetMenuBinding(1, ApplicationCommands.Cut);
            //粘贴
            customMenu.SetMenuBinding(2, ApplicationCommands.Paste);
            //删除
            customMenu.SetMenuBinding(3, ApplicationCommands.Delete);
            //颜色
            customMenu.SetMenuBinding(4, AnnotColorPalette_MenuCommand);
            if(sender as StickyAnnotArgs != null)
            {
                
            }
            //编辑便签
            customMenu.SetMenuBinding(5, ApplicationCommands.Delete);//
            //设置当前属性为默认值
            customMenu.SetMenuBinding(7, AnnotDefaultValue_MenuCommand);
            return popMenu;
        }

        //形状
        private ContextMenu SelectShapeAnnotMenu(object sender)
        {
            var popMenu = App.Current.FindResource("ShapeAnnotContextMenu") as ContextMenu;
            CustomPopMenu customMenu = new CustomPopMenu(popMenu, sender);
            //复制
            customMenu.SetMenuBinding(0, ApplicationCommands.Copy);
            //剪切
            customMenu.SetMenuBinding(1, ApplicationCommands.Cut);
            //粘贴
            customMenu.SetMenuBinding(2, ApplicationCommands.Paste);
            //删除
            customMenu.SetMenuBinding(3, ApplicationCommands.Delete);
            //颜色
            customMenu.SetMenuBinding(4, AnnotColorPalette_MenuCommand);
            //线段样式
            bool IsSolid = true;
            if (sender as SquareAnnotArgs != null)
            {
                IsSolid = AnnotPropertyPanel.IsSolidStyle((sender as SquareAnnotArgs).LineDash);
            }
            else if(sender as CircleAnnotArgs != null)
            {
                IsSolid = AnnotPropertyPanel.IsSolidStyle((sender as CircleAnnotArgs).LineDash);
            }
            else if(sender as LineAnnotArgs != null)
            {
                IsSolid = AnnotPropertyPanel.IsSolidStyle((sender as LineAnnotArgs).LineDash);
            }

            customMenu.SetSubMenuBinding(5, 0, ShapeLineStyle_MenuCommand, null, IsSolid);
            customMenu.SetSubMenuBinding(5, 1, ShapeLineStyle_MenuCommand, null, !IsSolid);
            //线段方向
            if(sender as LineAnnotArgs != null)
            {
                customMenu.SetSubMenuBinding(6, 0, ShapeLineDirect_MenuCommand ,null, true);//暂无，待确认
                customMenu.SetSubMenuBinding(6, 1, ShapeLineDirect_MenuCommand ,null, true);//
                customMenu.SetVisibilityProperty(6, true);
            }
            else
            {
                customMenu.SetVisibilityProperty(6,false);
            }
            //添加笔记
            customMenu.SetMenuBinding(7, AnnotAddNoteText_MenuCommand);
            //设置当前属性为默认值
            customMenu.SetMenuBinding(8, AnnotDefaultValue_MenuCommand);
            return popMenu;
        }

        //链接
        private ContextMenu SelectLinkAnnotMenu(object sender)
        {
            var popMenu = App.Current.FindResource("LinkAnnotContextMenu") as ContextMenu;
            CustomPopMenu customMenu = new CustomPopMenu(popMenu, sender);
            //复制
            customMenu.SetMenuBinding(0, ApplicationCommands.Copy);
            //剪切
            customMenu.SetMenuBinding(1, ApplicationCommands.Cut);
            //粘贴
            customMenu.SetMenuBinding(2, ApplicationCommands.Paste);
            //删除
            customMenu.SetMenuBinding(3, ApplicationCommands.Delete);
            return popMenu;
        }

        //图章、签名
        private ContextMenu SelectStampAnnotMenu(object sender)
        {
            var popMenu = App.Current.FindResource("StampAnnotContextMenu") as ContextMenu;
            CustomPopMenu customMenu = new CustomPopMenu(popMenu, sender);
            //复制
            customMenu.SetMenuBinding(0, ApplicationCommands.Copy);
            //剪切
            customMenu.SetMenuBinding(1, ApplicationCommands.Cut);
            //粘贴
            customMenu.SetMenuBinding(2, ApplicationCommands.Paste);
            //删除
            customMenu.SetMenuBinding(3, ApplicationCommands.Delete);
            //导出
            customMenu.SetSubMenuBinding(4, 0, StampExportPicture_MenuCommand);//
            customMenu.SetSubMenuBinding(4, 1, StampExportPicture_MenuCommand);//
            customMenu.SetSubMenuBinding(4, 2, StampExportPicture_MenuCommand);//
            //添加笔记
            customMenu.SetMenuBinding(5, AnnotAddNoteText_MenuCommand);
            return popMenu;
        }

        //多选注释
        private ContextMenu SelectMultiAnnotMenu(object sender, bool isHightAnnot)
        {
            var popMenu = App.Current.FindResource("MultiSelectAnnotContextMenu") as ContextMenu;
            CustomPopMenu customMenu = new CustomPopMenu(popMenu, sender);
            if (isHightAnnot)
            {
                customMenu.SetVisibilityProperty(0, false);
                customMenu.SetVisibilityProperty(1, false);
            }
            else
            {
                //复制
                customMenu.SetMenuBinding(0, ApplicationCommands.Copy);
                //剪切
                customMenu.SetMenuBinding(1, ApplicationCommands.Cut);
            }
            //删除
            customMenu.SetMenuBinding(2, ApplicationCommands.Delete);
            return popMenu;
        }

        #endregion 注释-右键菜单
    }
}