//create by liuhuisheng 2012-10-27
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Drawing;
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using System.IO;
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using System.Collections;
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using System.Data;
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namespace HH.WMS.Utils.Gios.Pdf
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{
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public class PdfHelper
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{
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public static Stream ListToPdf(object list, Dictionary<string, string> titles, bool IsExportAllCol)
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{
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DataTable dt = ListToDataTable(list, titles, IsExportAllCol,string.Empty);
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var pdfTitle = dt.TableName;
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// Starting instantiate the document.
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// Remember to set the Docuement Format. In this case, we specify width and height.
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PdfDocument myPdfDocument = new PdfDocument(PdfDocumentFormat.InCentimeters(21, 29.7));
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// Now we create a Table of 100 lines, 6 columns and 4 points of Padding.
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PdfTable myPdfTable = myPdfDocument.NewTable(new Font("Arial", 12), dt.Rows.Count, dt.Columns.Count, 4);
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// Importing datas from the datatables... (also column names for the headers!)
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//myPdfTable.ImportDataTable(Table);
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myPdfTable.ImportDataTable(dt);
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// Sets the format for correct date-time representation
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//myPdfTable.Columns[2].SetContentFormat("{0:dd/MM/yyyy}");
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// Now we set our Graphic Design: Colors and Borders...
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myPdfTable.HeadersRow.SetColors(Color.White, Color.Navy);
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myPdfTable.SetColors(Color.Black, Color.White, Color.Gainsboro);
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myPdfTable.SetBorders(Color.Black, 1, BorderType.CompleteGrid);
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//// With just one method we can set the proportional width of the columns.
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//// It's a "percentage like" assignment, but the sum can be different from 100.
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//myPdfTable.SetColumnsWidth(new int[] { 5, 25, 16, 20, 20, 15 });
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//// You can also set colors for a range of cells, in this case, a row:
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//myPdfTable.Rows[7].SetColors(Color.Black, Color.LightGreen);
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// Now we set some alignment... for the whole table and then, for a column.
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myPdfTable.SetContentAlignment(ContentAlignment.MiddleCenter);
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myPdfTable.Columns[1].SetContentAlignment(ContentAlignment.MiddleLeft);
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// Here we start the loop to generate the table...
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while (!myPdfTable.AllTablePagesCreated)
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{
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// we create a new page to put the generation of the new TablePage:
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PdfPage newPdfPage = myPdfDocument.NewPage();
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PdfTablePage newPdfTablePage = myPdfTable.CreateTablePage(new PdfArea(myPdfDocument, 48, 120, 500, 670));
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// we also put a Label
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PdfTextArea pta = new PdfTextArea(new Font("Arial", 26, FontStyle.Bold), Color.Red
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, new PdfArea(myPdfDocument, 0, 20, 595, 120), ContentAlignment.MiddleCenter, pdfTitle);
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// nice thing: we can put all the objects in the following lines, so we can have
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// a great control of layer sequence...
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newPdfPage.Add(newPdfTablePage);
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newPdfPage.Add(pta);
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// we save each generated page before start rendering the next.
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newPdfPage.SaveToDocument();
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}
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//myPdfDocument.SaveToFile("Example1.pdf");
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var stream = new MemoryStream();
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myPdfDocument.SaveToStream(stream);
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return stream;
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}
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public static DataTable ListToDataTable(object list, Dictionary<string, string> titles, bool IsExportAllCol, string tableName)
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{
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if (string.IsNullOrEmpty(tableName))
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{
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var type = ZGeneric.GetGenericType(list);
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tableName = ZGeneric.IsDynamicType(type) ? string.Empty : type.Name;
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}
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DataTable table = new DataTable(tableName);
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table.BeginLoadData();
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EachHelper.EachListHeader(list, (rowIndex, name, cellType) =>
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{
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if (IsExportAllCol || titles.ContainsKey(name))
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{
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string typeName = cellType.ToString();
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if (cellType.IsGenericType)
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typeName = cellType.GetGenericArguments()[0].ToString();
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Type newType = Type.GetType(typeName, false);
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if (newType != null)
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{
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//table.Columns.Add((titles[name] ?? name).ToString(), newType);
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table.Columns.Add(name, newType);
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}
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}
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});
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EachHelper.EachListRow(list, (index, rowData) =>
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{
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DataRow row = table.NewRow();
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EachHelper.EachObjectProperty(rowData, (cellIndex, name, value) =>
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{
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if (IsExportAllCol || titles.ContainsKey(name))
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{
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if (value != null && (Type.GetType(value.GetType().ToString(), false) != null))
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//row[(titles[name] ?? name).ToString()] = value;
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row[name] = value;
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}
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});
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table.Rows.Add(row);
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});
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table.EndLoadData();
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table.AcceptChanges();
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return table;
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}
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}
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}
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