Commit inicial: ITCA_API_SAP_WMS (.NET Core 3.1)

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

Net.CrossCotting/PageEventHelper.cs

@@ -0,0 +1,84 @@
+using iTextSharp.text;
+using iTextSharp.text.pdf;
+using System;
+
+namespace Net.CrossCotting
+{
+    public class PageEventHelper : PdfPageEventHelper
+    {
+        // This is the contentbyte object of the writer
+        PdfContentByte cb;
+        // we will put the final number of pages in a template
+        PdfTemplate template;
+
+        PdfTemplate templateHeader;
+        // this is the BaseFont we are going to use for the header / footer
+        BaseFont bf = null;
+        // This keeps track of the creation time
+        DateTime PrintTime = DateTime.Now;
+
+        #region Properties
+        private string _Title;
+        public string Title
+        {
+            get { return _Title; }
+            set { _Title = value; }
+        }
+        #endregion
+        // we override the onOpenDocument method
+        public override void OnOpenDocument(PdfWriter writer, Document document)
+        {
+            try
+            {
+                PrintTime = DateTime.Now;
+                bf = BaseFont.CreateFont(BaseFont.HELVETICA, BaseFont.CP1252, BaseFont.NOT_EMBEDDED);
+                cb = writer.DirectContent;
+                template = cb.CreateTemplate(document.PageSize.Width, 80);
+                templateHeader = cb.CreateTemplate(document.PageSize.Width, 80);
+            }
+            catch (DocumentException)
+            {
+            }
+            catch (System.IO.IOException)
+            {
+            }
+        }
+
+        public override void OnStartPage(PdfWriter writer, Document document)
+        {
+            base.OnStartPage(writer, document);
+            Rectangle pageSize = document.PageSize;
+            if (Title != string.Empty)
+            {
+                cb.BeginText();
+                cb.SetFontAndSize(bf, 15);
+                cb.SetRgbColorFill(50, 50, 200);
+                cb.SetColorFill(new BaseColor(103, 93, 152));
+                cb.SetTextMatrix(pageSize.GetLeft(40), pageSize.GetTop(40));
+                cb.ShowText(Title);
+                cb.EndText();
+            }
+        }
+
+        public override void OnEndPage(PdfWriter writer, Document document)
+        {
+            base.OnEndPage(writer, document);
+            int pageN = writer.PageNumber;
+            Rectangle pageSize = document.PageSize;
+            cb.SetRgbColorFill(100, 100, 100);
+            cb.BeginText();
+            cb.SetFontAndSize(bf, 8);
+            cb.SetTextMatrix(pageSize.GetLeft(40), pageSize.GetBottom(30));
+            cb.EndText();
+        }
+
+        public override void OnCloseDocument(PdfWriter writer, Document document)
+        {
+            base.OnCloseDocument(writer, document);
+            template.BeginText();
+            template.SetFontAndSize(bf, 8);
+            template.SetTextMatrix(0, 0);
+            template.EndText();
+        }
+    }
+}