bbwy/BBWY.Client/Views/PackTask/ServiceWindow.xaml.cs

using BarcodeLib;
using BBWY.Client.APIServices;
using BBWY.Client.ViewModels;
using BBWY.Client.ViewModels.PackTask;
using BBWY.Controls;
using Org.BouncyCastle.Asn1.Ocsp;
using System;
using System.Collections.Generic;
using System.IO;
using System.Printing;
using System.Reflection;
using System.Runtime.InteropServices.WindowsRuntime;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Shapes;

namespace BBWY.Client.Views.PackTask
{
    /// <summary>
    /// ServiceWindow.xaml 的交互逻辑
    /// </summary>
    public partial class ServiceWindow : BWindow
    {
        public ServiceWindow()
        {
            InitializeComponent();
        }

    

        private void BButton_Click(object sender, RoutedEventArgs e)
        {
            var localPrintServer = new LocalPrintServer();
            string printName = cbPrintName.Text.Trim();
            if (string.IsNullOrEmpty(printName))
            {
                MessageBox.Show("选择打印机");
                return;
            }

            var printQueue = localPrintServer.GetPrintQueue(printName);
            if (printQueue.IsInError)
            {
                MessageBox.Show("打印机处于错误状态");
                return;
            }
            //Print(this.printArea, cbPrintName.Text, "打印任务",1);


            this.printArea.Arrange(new Rect(new Point(0, 0), new Size(printArea.ActualWidth, printArea.ActualHeight)));

            PrintDialog printDialog = new PrintDialog();


            //设置纸张大小
            var pageWidth = (int)Math.Ceiling(printDialog.PrintableAreaWidth);
            var pageHeight = (int)Math.Ceiling(printDialog.PrintableAreaHeight);
            printDialog.PrintTicket.PageMediaSize = new PageMediaSize(pageWidth, pageHeight);


            printDialog.PrintVisual(this.printArea, "打印任务");

            var applicationPath = System.IO.Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);
            string printNames = System.IO.Path.Combine(applicationPath, "printName.init");
            File.WriteAllText(printNames, cbPrintName.Text);



        }



        /// <summary>
        /// 打印
        /// </summary>
        /// <param name="document">流文档</param>
        /// <param name="printer">打印机名称</param>
        /// <param name="description">打印描述</param>
        /// <param name="copyCount">打印个数</param>
        public static void Print(Visual document, string printer, string description, int copyCount)
        {
            var localPrintServer = new LocalPrintServer();
            var printQueue = localPrintServer.GetPrintQueue(printer);
            if (printQueue.IsInError)
            {
                throw new Exception("打印机处于错误状态");
            }

            var printDialog = new PrintDialog
            {
                PrintQueue = printQueue, //打印队列
                PrintTicket = { CopyCount = copyCount } //打印个数
            };

            //设置纸张大小
            var pageWidth = (int)Math.Ceiling(printDialog.PrintableAreaWidth); //小标签：114
            var pageHeight = (int)Math.Ceiling(printDialog.PrintableAreaHeight); //小标签：227
            printDialog.PrintTicket.PageMediaSize = new PageMediaSize(pageWidth, pageHeight);

            //设置纸张边距
            var paperSize = GetPaperSize(printer); //小标签：118*246
            //var offsetX = (int)Math.Ceiling((paperSize.Width - pageWidth) / 2f);
            //var offsetY = (int)Math.Ceiling((paperSize.Height - pageHeight) / 2f);
            //document.PagePadding = new Thickness(offsetX, offsetY, offsetX, offsetY);

            //打印
            var paginator = ((IDocumentPaginatorSource)document).DocumentPaginator;
            printDialog.PrintDocument(paginator, description);

            var applicationPath = System.IO.Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);
            string printNames = System.IO.Path.Combine(applicationPath, "printName.init");
            File.WriteAllText(printNames, printer);

        }

        private static object GetPaperSize(string printer)
        {
            return null;
        }

        public interface IDocumentRenderer
        {
            void Render(FlowDocument doc, object data);
        }

        public class CommonDocumentRenderer : IDocumentRenderer
        {
            public void Render(FlowDocument doc, object data)
            {
                var model = data as PrintModel;
                if (model == null)
                {
                    throw new ArgumentException("data is not PrintModel");
                }

                var type = typeof(PrintModel);
                var properties = type.GetProperties();
                foreach (var property in properties)
                {
                    //文本赋值
                    if (doc.FindName(property.Name) is TextBlock textBlock)
                    {
                        textBlock.Text = property.GetValue(model)?.ToString();
                    }
                }
            }
        }

        public class PrintModel
        {
            /// <summary>
            /// 批号
            /// </summary>
            public string BatchNumber { get; set; }

            /// <summary>
            /// 订单号
            /// </summary>
            public string OrderNumber { get; set; }

            /// <summary>
            /// 物料代码
            /// </summary>
            public string MaterialNumber { get; set; }
        }

    }
}