PDFOffice_Windows_exe/PDF Office/ViewModels/Dialog/HomePageToolsDialogs/HomePagePrinter/HomePagePrinterModPosterContentViewModel.cs

using Microsoft.Office.Interop.Word;
using PDF_Office.EventAggregators;
using PDF_Office.Model.Dialog.HomePageToolsDialogs.HomePagePrinter;
using Prism.Commands;
using Prism.Events;
using Prism.Mvvm;
using Prism.Regions;
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Printing;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Media;

namespace PDF_Office.ViewModels.Dialog.HomePageToolsDialogs.HomePagePrinter
{
    public class HomePagePrinterModPosterContentViewModel : BindableBase, INavigationAware
    {

        private IEventAggregator eventAggregator;
        private string Unicode = null;
        private Visibility _pageRangeSettingVisibility = Visibility.Visible;

        public bool HasCutMarks = false;
        public bool HasLabel = false;

        private string _defaultLabel;
        public string DefaultLabel
        {
            get { return _defaultLabel; }
            set { _defaultLabel = value; }
        }

        public Visibility PageRangeSettingVisibility
        {
            get => _pageRangeSettingVisibility;
            set => SetProperty(ref _pageRangeSettingVisibility, value);
        }

        private Visibility _pagesPerSheetVisibility = Visibility.Hidden;
        public Visibility PagesPerSheetVisibility
        {
            get => _pagesPerSheetVisibility;
            set => SetProperty(ref _pagesPerSheetVisibility, value);
        }

        private string _tileRatio = "100";
        public string TileRatio
        {
            get => _tileRatio;
            set => SetProperty(ref _tileRatio, value);
        }

        private PosterInfo _posterInfo = new PosterInfo();
        public PosterInfo PosterInfo
        {
            get => _posterInfo;
            set => _posterInfo = value;
        }

        private List<string> _pageSheetList = new List<string>();
        /// <summary>
        /// <para>0: 1x2</para>
        /// <para>1: 2x2</para>
        /// <para>2: 3x2</para>
        /// <para>3: 3x3</para>
        /// <para>4: 4x4</para>
        /// <para>5: 自定义</para>
        /// </summary>
        public List<string> PageSheetList
        {
            get => _pageSheetList;
            set => _pageSheetList = value;
        }

        private bool _enableCustomSheet;
        public bool EnableCustomSheet
        {
            get { return _enableCustomSheet; }
            set
            {
                SetProperty(ref _enableCustomSheet, value);
            }
        }

        private int _pageSheetIndex = 0;
        public int PageSheetIndex
        {
            get { return _pageSheetIndex; }
            set
            {
                _pageSheetIndex = value;
                if (_pageSheetIndex < 5)
                {
                    EnableCustomSheet = false;
                }
                else
                {
                    EnableCustomSheet = true;
                }
                SetPageSheetValue(value);
            }
        }

        private int? _horizontalSheetNumber = 1;
        public int? HorizontalSheetNumber
        {
            get => _horizontalSheetNumber;
            set => SetProperty(ref _horizontalSheetNumber, value);
        }

        private int? _verticalSheetNumber = 2;
        public int? VerticalSheetNumber
        {
            get => _verticalSheetNumber;
            set => SetProperty(ref _verticalSheetNumber, value);
        }

        private double? _overlapNumber = 0;
        public double? OverlapNumber
        {
            get => _overlapNumber;
            set
            {
                if (value > 5.08)
                {
                    value = 5.08;
                }
                else if (value < 0)
                {
                    value = 0;
                }
                SetProperty(ref _overlapNumber, value);
            }
        }

        public DelegateCommand<object> SetModPosterStatusCommand { get; set; }
        public DelegateCommand<object> SetSheetCommand { get; set; }
        public DelegateCommand SetCustomSheetCommand { get; set; }
        public DelegateCommand SetOverlapCommand { get; set; }
        public DelegateCommand<object> SetCutMarksCommand { get; set; }
        public DelegateCommand<object> SetLabelCommand { get; set; }
        public DelegateCommand SetTileRatioCommand { get; set; }
        HomePagePrinterModPosterContentViewModel(IEventAggregator eventAggregator)
        {
            this.eventAggregator = eventAggregator;
            SetModPosterStatusCommand = new DelegateCommand<object>(SetModPosterStatus);
            SetSheetCommand = new DelegateCommand<object>(SetSheet);
            SetCustomSheetCommand = new DelegateCommand(SetCustomSheet);
            SetOverlapCommand = new DelegateCommand(SetOverlap);
            SetCutMarksCommand = new DelegateCommand<object>(SetCutMarks);
            SetLabelCommand = new DelegateCommand<object>(SetLabel);
            SetTileRatioCommand = new DelegateCommand(SetTileRatio);
            InitComponent();

            PosterInfo.EnumPrintMod = EnumPrintMod.StatusPoster;
        }

        public void InitPageSheetList()
        {
            PageSheetList.Clear();
            PageSheetList.Add("2");
            PageSheetList.Add("4");
            PageSheetList.Add("6");
            PageSheetList.Add("9");
            PageSheetList.Add("16");
            PageSheetList.Add("Custom");
        }

        public void InitComponent()
        {
            InitPageSheetList();
        }

        public void SetModPosterStatus(object e)
        {
            var rdo = e as RadioButton;
            if (rdo.Name == "StatusTileRdo")
            {
                PosterInfo.EnumPosterMod = EnumPosterMod.StatusTile;
                PageRangeSettingVisibility = Visibility.Visible;
                PagesPerSheetVisibility = Visibility.Hidden;
            }
            else
            {
                PosterInfo.EnumPosterMod = EnumPosterMod.StatusSplit;
                PageRangeSettingVisibility = Visibility.Hidden;
                PagesPerSheetVisibility = Visibility.Visible;
            }
            SendPosterInfo();
        }

        public void SetSheet(object e)
        {
            SendPosterInfo();
        }

        public void SetCustomSheet()
        {
            SendPosterInfo();
        }

        public void SetOverlap()
        {
            SendPosterInfo();
        }

        public void SetTileRatio()
        {
            int previousDisplayRatio = PosterInfo.TileRatio;
            PosterInfo.TileRatio = int.Parse(TileRatio);
            if (previousDisplayRatio != PosterInfo.TileRatio)
            {
                SendPosterInfo();
            }
        }

        public void SetPageSheetValue(int sheetIndex)
        {
            switch (sheetIndex)
            {
                case 0:
                    HorizontalSheetNumber = 1;
                    VerticalSheetNumber = 2;
                    break;
                case 1:
                    HorizontalSheetNumber = 2;
                    VerticalSheetNumber = 2;
                    break;
                case 2:
                    HorizontalSheetNumber = 3;
                    VerticalSheetNumber = 2;
                    break;
                case 3:
                    HorizontalSheetNumber = 3;
                    VerticalSheetNumber = 3;
                    break;
                case 4:
                    HorizontalSheetNumber = 4;
                    VerticalSheetNumber = 4;
                    break;
                case 5:
                    HorizontalSheetNumber = null;
                    VerticalSheetNumber = null;
                    break;
            }
            SendPosterInfo();
        }

        public void SendPosterInfo()
        {
            if (HorizontalSheetNumber == null)
            {
                HorizontalSheetNumber = 1;
            }

            if (VerticalSheetNumber == null)
            {
                VerticalSheetNumber = 1;
            }
            if (OverlapNumber == null)
            {
                OverlapNumber = 0;
            }
            else if (OverlapNumber < 0)
            {
                OverlapNumber = 0;
            }
            else if (OverlapNumber > 5.08)
            {
                OverlapNumber = 5.08;
            }
            if (PosterInfo != null)
            {
                if (PosterInfo.EnumPosterMod == EnumPosterMod.StatusTile)
                {
                    PosterInfo.TileRatio = int.Parse(TileRatio);
                }
                else
                {
                    PosterInfo.HorizontalSheetNumber = (int)HorizontalSheetNumber;
                    PosterInfo.VerticalSheetNumber = (int)VerticalSheetNumber;
                }
                PosterInfo.OverLap = (double)OverlapNumber;
                PosterInfo.HasCutMarks = HasCutMarks;
                PosterInfo.HasLabel = HasLabel;
            }
            this.eventAggregator.GetEvent<SendPrintSettingsModInfoEvent>().Publish(new PrintModInfoWithUnicode { printModInfo = PosterInfo, Unicode = this.Unicode }); 
        }


        public void SetCutMarks(object e)
        {
            var chk = e as System.Windows.Controls.CheckBox;
            if(chk.IsChecked == true)
            {
               HasCutMarks = true;
            }
            else
            {
                HasCutMarks = false;
            }
            SendPosterInfo();
        }

        public void SetLabel(object e)
        {
            var chk = e as System.Windows.Controls.CheckBox;
            if (chk.IsChecked == true)
            {
                HasLabel = true;
            }
            else
            {
                HasLabel = false;
            }
            SendPosterInfo();
        }

        public bool IsNavigationTarget(NavigationContext navigationContext)
        {
            return true;
        }

        public void OnNavigatedFrom(NavigationContext navigationContext)
        {
        }

        public void OnNavigatedTo(NavigationContext navigationContext)
        {
            DefaultLabel = "(column, row) 1.pdf "+ DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss");
            navigationContext.Parameters.TryGetValue<string>("Unicode", out Unicode);
            SendPosterInfo();
        }
    }
}