// loads TOC structure from an XPathNavigator
private void LoadToc(XPathNavigator navigator, string parent, string parentVersion)
{
int i = -1;
XPathNodeIterator interator = navigator.SelectChildren(
TocXPath.Topic, String.Empty);
while (interator.MoveNext())
{
XPathNavigator current = interator.Current;
string id = current.GetAttribute(TocAttr.Id, String.Empty);
if (!String.IsNullOrEmpty(id))
{
// For the root namespace container, we change the id to
// the group id, which is same as the file name...
if (String.Equals(id, "R:Project",
StringComparison.OrdinalIgnoreCase))
{
id = current.GetAttribute(TocAttr.File, String.Empty);
}
TocInfo info = new TocInfo(parent, parentVersion, ++i);
_toc.Add(id, info);
LoadToc(current, id, _topicVersion);
}
}
}
//=====================================================================
// Loads TOC structure from an XPathNavigator
private void LoadToc(XPathNavigator navigator, string parent, string parentVersion)
{
// EFW - Reworked to support sortOrder attribute
int sortOrder = 0;
XPathNodeIterator interator = navigator.SelectChildren(TocXPath.Topic, String.Empty);
while (interator.MoveNext())
{
XPathNavigator current = interator.Current;
string id = current.GetAttribute(TocAttr.Id, String.Empty);
// If a sort order is defined, start from that value
string order = current.GetAttribute(TocAttr.SortOrder, String.Empty);
if (!String.IsNullOrEmpty(order) && Int32.TryParse(order, out int tempOrder))
{
sortOrder = tempOrder;
}
if (!String.IsNullOrEmpty(id))
{
TocInfo info = new TocInfo(parent, parentVersion, sortOrder++);
// EFW - Work around a bug in Sandcastle that can result in duplicate IDs
// by using the indexer to add the topic rather than Add() which throws
// an exception when the duplicate is encountered.
_toc[id] = info;
LoadToc(current, id, _topicVersion);
}
}
}
public static void Run()
{
// ExStart:AddTOC
// The path to the documents directory.
string dataDir = RunExamples.GetDataDir_AsposePdf_WorkingDocuments();
// Load an existing PDF files
Document doc = new Document(dataDir + "AddTOC.pdf");
// Get access to first page of PDF file
Page tocPage = doc.Pages.Insert(1);
// Create object to represent TOC information
TocInfo tocInfo = new TocInfo();
TextFragment title = new TextFragment("Table Of Contents");
title.TextState.FontSize = 20;
title.TextState.FontStyle = FontStyles.Bold;
// Set the title for TOC
tocInfo.Title = title;
tocPage.TocInfo = tocInfo;
// Create string objects which will be used as TOC elements
string[] titles = new string[4];
titles[0] = "First page";
titles[1] = "Second page";
titles[2] = "Third page";
titles[3] = "Fourth page";
for (int i = 0; i < 2; i++)
{
// Create Heading object
Aspose.Pdf.Heading heading2 = new Aspose.Pdf.Heading(1);
TextSegment segment2 = new TextSegment();
heading2.TocPage = tocPage;
heading2.Segments.Add(segment2);
// Specify the destination page for heading object
heading2.DestinationPage = doc.Pages[i + 2];
// Destination page
heading2.Top = doc.Pages[i + 2].Rect.Height;
// Destination coordinate
segment2.Text = titles[i];
// Add heading to page containing TOC
tocPage.Paragraphs.Add(heading2);
}
dataDir = dataDir + "TOC_out.pdf";
// Save the updated document
doc.Save(dataDir);
// ExEnd:AddTOC
Console.WriteLine("\nTOC added successfully to an existing PDF.\nFile saved at " + dataDir);
}
public static void Run()
{
// ExStart:AddTOC
// The path to the documents directory.
string dataDir = RunExamples.GetDataDir_AsposePdf_WorkingDocuments();
// Load an existing PDF files
Document doc = new Document(dataDir + "AddTOC.pdf");
// Get access to first page of PDF file
Page tocPage = doc.Pages.Insert(1);
// Create object to represent TOC information
TocInfo tocInfo = new TocInfo();
TextFragment title = new TextFragment("Table Of Contents");
title.TextState.FontSize = 20;
title.TextState.FontStyle = FontStyles.Bold;
// Set the title for TOC
tocInfo.Title = title;
tocPage.TocInfo = tocInfo;
// Create string objects which will be used as TOC elements
string[] titles = new string[4];
titles[0] = "First page";
titles[1] = "Second page";
titles[2] = "Third page";
titles[3] = "Fourth page";
for (int i = 0; i < 2; i++)
{
// Create Heading object
Aspose.Pdf.Heading heading2 = new Aspose.Pdf.Heading(1);
TextSegment segment2 = new TextSegment();
heading2.TocPage = tocPage;
heading2.Segments.Add(segment2);
// Specify the destination page for heading object
heading2.DestinationPage = doc.Pages[i + 2];
// Destination page
heading2.Top = doc.Pages[i + 2].Rect.Height;
// Destination coordinate
segment2.Text = titles[i];
// Add heading to page containing TOC
tocPage.Paragraphs.Add(heading2);
}
dataDir = dataDir + "TOC_out.pdf";
// Save the updated document
doc.Save(dataDir);
// ExEnd:AddTOC
Console.WriteLine("\nTOC added successfully to an existing PDF.\nFile saved at " + dataDir);
}
public static void Main(string[] args)
{
// The path to the documents directory.
string dataDir = Path.GetFullPath("../../../Data/");
// Load an existing PDF files
Document doc = new Document(dataDir + "input.pdf");
// Get access to first page of PDF file
Page tocPage = doc.Pages.Insert(1);
// Create object to represent TOC information
TocInfo tocInfo = new TocInfo();
TextFragment title = new TextFragment("Table Of Contents");
title.TextState.FontSize = 20;
title.TextState.FontStyle = FontStyles.Bold;
// Set the title for TOC
tocInfo.Title = title;
tocPage.TocInfo = tocInfo;
// Create string objects which will be used as TOC elements
string[] titles = new string[4];
titles[0] = "First page";
titles[1] = "Second page";
titles[2] = "Third page";
titles[3] = "Fourth page";
for (int i = 0; i < 2; i++)
{
// Create Heading object
Aspose.Pdf.Heading heading2 = new Aspose.Pdf.Heading(1);
TextSegment segment2 = new TextSegment();
heading2.TocPage = tocPage;
heading2.Segments.Add(segment2);
// Specify the destination page for heading object
heading2.DestinationPage = doc.Pages[i + 2];
// Destination page
heading2.Top = doc.Pages[i + 2].Rect.Height;
// Destination coordinate
segment2.Text = titles[i];
// Add heading to page containing TOC
tocPage.Paragraphs.Add(heading2);
}
// Save the updated document
doc.Save(dataDir + "TOC_Output.pdf");
}
public static void Main(string[] args)
{
// The path to the documents directory.
string dataDir = Path.GetFullPath("../../../Data/");
// Load an existing PDF files
Document doc = new Document(dataDir + "input.pdf");
// Get access to first page of PDF file
Page tocPage = doc.Pages.Insert(1);
// Create object to represent TOC information
TocInfo tocInfo = new TocInfo();
TextFragment title = new TextFragment("Table Of Contents");
title.TextState.FontSize = 20;
title.TextState.FontStyle = FontStyles.Bold;
// Set the title for TOC
tocInfo.Title = title;
tocPage.TocInfo = tocInfo;
// Create string objects which will be used as TOC elements
string[] titles = new string[4];
titles[0] = "First page";
titles[1] = "Second page";
titles[2] = "Third page";
titles[3] = "Fourth page";
for (int i = 0; i < 2; i++)
{
// Create Heading object
Aspose.Pdf.Heading heading2 = new Aspose.Pdf.Heading(1);
TextSegment segment2 = new TextSegment();
heading2.TocPage = tocPage;
heading2.Segments.Add(segment2);
// Specify the destination page for heading object
heading2.DestinationPage = doc.Pages[i + 2];
// Destination page
heading2.Top = doc.Pages[i + 2].Rect.Height;
// Destination coordinate
segment2.Text = titles[i];
// Add heading to page containing TOC
tocPage.Paragraphs.Add(heading2);
}
// Save the updated document
doc.Save(dataDir + "TOC_Output.pdf");
}
private void btnCreateTOC_Click(object sender, EventArgs e)
{
try
{
if (lstTitles.Items.Count > 0)
{
Document doc = new Document(txtPDF.Text);
Page tocPage = doc.Pages.Insert(1);
// Create object to represent TOC information
TocInfo tocInfo = new TocInfo();
TextFragment title = new TextFragment("Table Of Contents");
title.TextState.FontSize = 20;
title.TextState.FontStyle = FontStyles.Bold;
// Set the title for TOC
tocInfo.Title = title;
tocPage.TocInfo = tocInfo;
foreach (var item in lstTitles.Items)
{
TextFragmentAbsorber absorber = new TextFragmentAbsorber(item.ToString());
doc.Pages.Accept(absorber);
Page targetPage = doc.Pages[absorber.TextFragments[1].Page.Number];
// Create Heading object
Aspose.Pdf.Heading heading2 = new Aspose.Pdf.Heading(1);
TextSegment segment2 = new TextSegment();
heading2.TocPage = tocPage;
heading2.Segments.Add(segment2);
// Specify the destination page for heading object
heading2.DestinationPage = targetPage;
// Destination page
heading2.Top = targetPage.Rect.Height;
// Destination coordinate
segment2.Text = item.ToString();
// Add heading to page containing TOC
tocPage.Paragraphs.Add(heading2);
}
doc.Save("Toc_out.pdf");
MessageBox.Show("PDF with TOC has been created.", "Success");
}
else
{
MessageBox.Show("Please extract titles from PDF document first.", "Titles are not extracted");
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Error");
}
}
public static void Run()
{
//ExStart: CustomizePageNumbesWhileAddingTOC
//Sometimes when we add TOC into PDF document it is required to customize the page numbering in the TOC.
//For exapmle we need add some prefix before page number like "P1, P2, P3 ...".
// For such case Aspose.PDF for .NET provides PageNumbersPrefix property of TocInfo class.
//Code snippet below shows how to use this feature.
string inFile = RunExamples.GetDataDir_AsposePdf_WorkingDocuments() + "42824.pdf";
string outFile = RunExamples.GetDataDir_AsposePdf_WorkingDocuments() + "42824_out.pdf";
// Load an existing PDF files
Document doc = new Document(inFile);
// Get access to first page of PDF file
Aspose.Pdf.Page tocPage = doc.Pages.Insert(1);
// Create object to represent TOC information
TocInfo tocInfo = new TocInfo();
TextFragment title = new TextFragment("Table Of Contents");
title.TextState.FontSize = 20;
title.TextState.FontStyle = FontStyles.Bold;
// Set the title for TOC
tocInfo.Title = title;
tocInfo.PageNumbersPrefix = "P";
tocPage.TocInfo = tocInfo;
for (int i = 1; i < doc.Pages.Count; i++)
{
// Create Heading object
Aspose.Pdf.Heading heading2 = new Aspose.Pdf.Heading(1);
TextSegment segment2 = new TextSegment();
heading2.TocPage = tocPage;
heading2.Segments.Add(segment2);
// Specify the destination page for heading object
heading2.DestinationPage = doc.Pages[i + 1];
// Destination page
heading2.Top = doc.Pages[i + 1].Rect.Height;
// Destination coordinate
segment2.Text = "Page " + i.ToString();
// Add heading to page containing TOC
tocPage.Paragraphs.Add(heading2);
}
// Save the updated document
doc.Save(outFile);
//ExEnd: CustomizePageNumbesWhileAddingTOC
}
// loads TOC structure from an XPathNavigator
private void LoadToc(XPathNavigator navigator, string parent, string parentVersion)
{
int i = -1;
XPathNodeIterator interator = navigator.SelectChildren(TocXPath.Topic, string.Empty);
while (interator.MoveNext())
{
XPathNavigator current = interator.Current;
string id = current.GetAttribute(TocAttr.Id, string.Empty);
if (!string.IsNullOrEmpty(id))
{
TocInfo info = new TocInfo(parent, parentVersion, ++i);
_toc.Add(id, info);
LoadToc(current, id, _topicVersion);
}
}
}
public static void Run()
{
//ExStart: CustomizePageNumbesWhileAddingTOC
string inFile = RunExamples.GetDataDir_AsposePdf_WorkingDocuments() + "42824.pdf";
string outFile = RunExamples.GetDataDir_AsposePdf_WorkingDocuments() + "42824_out.pdf";
// Load an existing PDF files
Document doc = new Document(inFile);
// Get access to first page of PDF file
Aspose.Pdf.Page tocPage = doc.Pages.Insert(1);
// Create object to represent TOC information
TocInfo tocInfo = new TocInfo();
TextFragment title = new TextFragment("Table Of Contents");
title.TextState.FontSize = 20;
title.TextState.FontStyle = FontStyles.Bold;
// Set the title for TOC
tocInfo.Title = title;
tocInfo.PageNumbersPrefix = "P";
tocPage.TocInfo = tocInfo;
for (int i = 1; i < doc.Pages.Count; i++)
{
// Create Heading object
Aspose.Pdf.Heading heading2 = new Aspose.Pdf.Heading(1);
TextSegment segment2 = new TextSegment();
heading2.TocPage = tocPage;
heading2.Segments.Add(segment2);
// Specify the destination page for heading object
heading2.DestinationPage = doc.Pages[i + 1];
// Destination page
heading2.Top = doc.Pages[i + 1].Rect.Height;
// Destination coordinate
segment2.Text = "Page " + i.ToString();
// Add heading to page containing TOC
tocPage.Paragraphs.Add(heading2);
}
// Save the updated document
doc.Save(outFile);
//ExEnd: CustomizePageNumbesWhileAddingTOC
}
protected override void RegisterTocToContext(TocItemViewModel toc, FileModel model, IDocumentBuildContext context)
{
var key = model.Key;
// Add current folder to the toc mapping, e.g. `a/` maps to `a/toc`
var directory = ((RelativePath)key).GetPathFromWorkingFolder().GetDirectoryPath();
context.RegisterToc(key, directory);
var tocInfo = new TocInfo(key);
if (toc.Homepage != null)
{
if (PathUtility.IsRelativePath(toc.Homepage))
{
var pathToRoot = ((RelativePath)model.File + (RelativePath)toc.Homepage).GetPathFromWorkingFolder();
tocInfo.Homepage = pathToRoot;
}
}
context.RegisterTocInfo(tocInfo);
}
public static void Run()
{
// ExStart:1
// The path to the documents directory.
string dataDir = RunExamples.GetDataDir_AsposePdf_WorkingDocuments();
string outFile = dataDir + "HiddenPageNumbers_out.pdf";
Document doc = new Document();
Page tocPage = doc.Pages.Add();
TocInfo tocInfo = new TocInfo();
TextFragment title = new TextFragment("Table Of Contents");
title.TextState.FontSize = 20;
title.TextState.FontStyle = FontStyles.Bold;
tocInfo.Title = title;
//Add the list section to the sections collection of the Pdf document
tocPage.TocInfo = tocInfo;
//Define the format of the four levels list by setting the left margins and
//text format settings of each level
tocInfo.IsShowPageNumbers = false;
tocInfo.FormatArrayLength = 4;
tocInfo.FormatArray[0].Margin.Right = 0;
tocInfo.FormatArray[0].TextState.FontStyle = FontStyles.Bold | FontStyles.Italic;
tocInfo.FormatArray[1].Margin.Left = 30;
tocInfo.FormatArray[1].TextState.Underline = true;
tocInfo.FormatArray[1].TextState.FontSize = 10;
tocInfo.FormatArray[2].TextState.FontStyle = FontStyles.Bold;
tocInfo.FormatArray[3].TextState.FontStyle = FontStyles.Bold;
Page page = doc.Pages.Add();
//Add four headings in the section
for (int Level = 1; Level != 5; Level++)
{
Heading heading2 = new Heading(Level); TextSegment segment2 = new TextSegment(); heading2.TocPage = tocPage; heading2.Segments.Add(segment2); heading2.IsAutoSequence = true; segment2.Text = "this is heading of level " + Level; heading2.IsInList = true; page.Paragraphs.Add(heading2);
}
doc.Save(outFile);
// ExEnd:1
}
public override void UpdateHref(FileModel model, IDocumentBuildContext context)
{
var toc = (TocItemViewModel)model.Content;
var key = model.Key;
// Add current folder to the toc mapping, e.g. `a/` maps to `a/toc`
var directory = ((TypeForwardedToRelativePath)key).GetPathFromWorkingFolder().GetDirectoryPath();
context.RegisterToc(key, directory);
UpdateTocItemHref(toc, model, context);
var tocInfo = new TocInfo(key);
if (toc.Homepage != null)
{
if (TypeForwardedToPathUtility.IsRelativePath(toc.Homepage))
{
var pathToRoot = ((TypeForwardedToRelativePath)model.File + (TypeForwardedToRelativePath)toc.Homepage).GetPathFromWorkingFolder();
tocInfo.Homepage = pathToRoot;
}
}
context.RegisterTocInfo(tocInfo);
}
public RelativeInfo(TocInfo tocInfo, FileAndType article)
{
TocInfo = tocInfo;
TocPathRelativeToArticle = tocInfo.OutputPath.RemoveWorkingFolder().MakeRelativeTo(GetOutputPath(article));
}
/// <summary>
/// Responsible to merge different pdf documents and generate into one single PDF
/// along with the bookmark and table of content
/// </summary>
/// <returns> Path of the PDF document </returns>
public string GeneratePDF()
{
// Used to keep a track of current generated PDF page number
int pdfPageNo = 2;
// Used to create bookmark and Table of content
List <TOC> toc = new List <TOC>();
if (!Directory.Exists(PDFFolderPath))
{
Directory.CreateDirectory(PDFFolderPath);
}
//aspose words license
//var AsposeLicenseFilePath = "C://Users//Aditya//.nuget//packages//aspose.pdf//19.9.0//lib//net4.0 - client//Aspose.Pdf.lic";
//if (System.IO.File.Exists(AsposeLicenseFilePath))
//{
// Aspose.Pdf.License WordsLic = new Aspose.Pdf.License();
// WordsLic.SetLicense(AsposeLicenseFilePath);
//}
if (File.Exists(PDFFilePath))
{
File.Delete(PDFFilePath);
}
// Used to maintaint the list of all the documents to be merged.
List <String> inputDocs = new List <String>();
// Fetches all the documents from the specified DocumentFolderPath
foreach (string file in Directory.EnumerateFiles(DocumentFolderPath, "*.pdf"))
{
inputDocs.Add(file);
}
Document targetDoc = new Document();
Document doc;
for (int i = 0; i < inputDocs.Count; i++)
{
doc = new Document(inputDocs[i]);
toc.Add(new TOC
{
BookmarkName = Path.GetFileName(doc.FileName),
PageNo = pdfPageNo
});
// Add the pages of the source documents to the target document
targetDoc.Pages.Add(doc.Pages);
#region Code to generate Blank page between two documents
Page pageI = targetDoc.Pages.Insert(pdfPageNo);
TextFragment textI = new TextFragment("Blank Page");
pageI.Paragraphs.Add(textI);
// Create a bookmark object
OutlineItemCollection pdfOutlineI = new OutlineItemCollection(targetDoc.Outlines);
pdfOutlineI.Title = "Blank Page";
pdfOutlineI.Italic = true;
pdfOutlineI.Bold = true;
// Add bookmark in the document's outline collection.
targetDoc.Outlines.Add(pdfOutlineI);
pdfPageNo = pdfPageNo + doc.Pages.Count;
pdfPageNo++;
#endregion
}
#region Code to generate Table of Content
string html = "";// above html
HtmlDocument htmlDoc = new HtmlDocument();
htmlDoc.LoadHtml(html);
Page tocPage = targetDoc.Pages.Insert(1);
tocPage.Background = Aspose.Pdf.Color.FromRgb(System.Drawing.Color.White);
// Create object to represent TOC information
TocInfo tocInfo = new TocInfo();
TextFragment title = new TextFragment("Table Of Contents");
title.TextState.FontSize = 20;
title.TextState.FontStyle = FontStyles.Bold;
// Set the title for TOC
tocInfo.Title = title;
tocPage.TocInfo = tocInfo;
foreach (var item in toc)
{
// Create Heading object
Heading heading2 = new Heading(1);
TextSegment segment2 = new TextSegment();
segment2 = new TextSegment();
heading2.TocPage = tocPage;
heading2.Segments.Add(segment2);
// Specify the destination page for heading object
heading2.DestinationPage = targetDoc.Pages[item.PageNo];
// Destination page
heading2.Top = targetDoc.Pages[item.PageNo].Rect.Height;
// Destination coordinate
segment2.Text = item.BookmarkName;
// Add heading to page containing TOC
tocPage.Paragraphs.Add(heading2);
}
#endregion
targetDoc.Save(PDFFilePath);
#region Code to bookmark the pages
// For complete examples and data files, please go to https://github.com/aspose-pdf/Aspose.Pdf-for-.NET
// Open document
PdfBookmarkEditor bookmarkEditor = new PdfBookmarkEditor();
bookmarkEditor.BindPdf(PDFFilePath);
// Create bookmark of a range of pages
foreach (var item in toc)
{
bookmarkEditor.CreateBookmarkOfPage(item.BookmarkName, item.PageNo);
}
// Save updated PDF file
bookmarkEditor.Save(PDFFilePath);
#endregion
return(PDFFilePath);
}
/// <summary>
/// Applies Microsoft Help System transformation to the output document.
/// </summary>
/// <param name="document">The <see cref="XmlDocument"/> to apply transformation to.</param>
/// <param name="key">Topic key of the output document.</param>
public override void Apply(XmlDocument document, string key)
{
ModifyAttribute(document, "id", "mainSection");
ModifyAttribute(document, "class", "members");
FixHeaderBottomBackground(document, "nsrBottom", "headerBottom");
XmlElement html = document.DocumentElement;
XmlElement head = html.SelectSingleNode(Help2XPath.Head) as XmlElement;
if (head == null)
{
head = document.CreateElement(Help2XPath.Head);
if (!html.HasChildNodes)
{
html.AppendChild(head);
}
else
{
html.InsertBefore(head, html.FirstChild);
}
}
else
{
XmlNode hxNode = head.SelectSingleNode(Help2XPath.HxRuntime);
if (hxNode != null)
{
head.RemoveChild(hxNode);
}
}
AddMHSMeta(document, head, MHSMetaName.SelfBranded,
_selfBranded.ToString().ToLower());
AddMHSMeta(document, head, MHSMetaName.ContentType,
MHSDefault.Reference);
AddMHSMeta(document, head, MHSMetaName.TopicVersion,
_topicVersion);
string locale = _locale;
string id = Guid.NewGuid().ToString();
XmlNode xmlIsland = head.SelectSingleNode(Help2XPath.Xml);
if (xmlIsland != null)
{
XmlNamespaceManager nsmgr = new XmlNamespaceManager(document.NameTable);
if (!nsmgr.HasNamespace(Help2Namespace.Prefix))
{
nsmgr.AddNamespace(Help2Namespace.Prefix, Help2Namespace.Uri);
}
XmlElement elem = xmlIsland.SelectSingleNode(Help2XPath.TocTitle, nsmgr) as XmlElement;
if (elem != null)
{
AddMHSMeta(document, head, MHSMetaName.Title, elem.GetAttribute(Help2Attr.Title));
}
foreach (XmlElement keyword in xmlIsland.SelectNodes(String.Format(Help2XPath.Keyword, Help2Value.K), nsmgr))
{
AddMHSMeta(document, head, MHSMetaName.Keywords, keyword.GetAttribute(Help2Attr.Term), true);
}
foreach (XmlElement keyword in xmlIsland.SelectNodes(String.Format(Help2XPath.Keyword, Help2Value.F), nsmgr))
{
AddMHSMeta(document, head, MHSMetaName.F1, keyword.GetAttribute(Help2Attr.Term), true);
}
foreach (XmlElement lang in xmlIsland.SelectNodes(String.Format(Help2XPath.Attr, Help2Value.DevLang), nsmgr))
{
AddMHSMeta(document, head, MHSMetaName.Category, Help2Value.DevLang + ":" + lang.GetAttribute(Help2Attr.Value), true);
}
elem = xmlIsland.SelectSingleNode(String.Format(Help2XPath.Attr, Help2Value.Abstract), nsmgr) as XmlElement;
if (elem != null)
{
AddMHSMeta(document, head, MHSMetaName.Description, elem.GetAttribute(Help2Attr.Value));
}
elem = xmlIsland.SelectSingleNode(String.Format(Help2XPath.Attr, Help2Value.AssetID), nsmgr) as XmlElement;
if (elem != null)
{
id = elem.GetAttribute(Help2Attr.Value);
}
if (String.IsNullOrEmpty(locale))
{
elem = xmlIsland.SelectSingleNode(String.Format(Help2XPath.Attr, Help2Value.Locale), nsmgr) as XmlElement;
if (elem != null)
{
locale = elem.GetAttribute(Help2Attr.Value);
}
}
head.RemoveChild(xmlIsland);
}
if (String.IsNullOrEmpty(locale))
{
locale = MHSDefault.Locale;
}
AddMHSMeta(document, head, MHSMetaName.Locale, locale);
AddMHSMeta(document, head, MHSMetaName.TopicLocale, locale);
AddMHSMeta(document, head, MHSMetaName.Id, id);
if (_toc.ContainsKey(id))
{
TocInfo tocInfo = _toc[id];
AddMHSMeta(document, head, MHSMetaName.TocParent, tocInfo.Parent);
if (tocInfo.Parent != MHSDefault.TocParent)
{
AddMHSMeta(document, head, MHSMetaName.TocParentVersion, tocInfo.ParentVersion);
}
AddMHSMeta(document, head, MHSMetaName.TocOrder, tocInfo.Order.ToString());
}
//FixFooter(document);
}
public void RegisterTocInfo(TocInfo toc)
{
_tableOfContents[toc.TocFileKey] = toc;
}
/// <summary>
/// Applies Microsoft Help System transformation to the output document.
/// </summary>
/// <param name="document">The <see cref="XmlDocument"/> to apply transformation to.</param>
/// <param name="key">Topic key of the output document.</param>
public override void Apply(XmlDocument document, string key)
{
_document = document;
XmlElement html = _document.DocumentElement;
_head = html.SelectSingleNode(Help2XPath.Head);
if (_head == null)
{
_head = document.CreateElement(Help2XPath.Head);
if (!html.HasChildNodes)
{
html.AppendChild(_head);
}
else
{
html.InsertBefore(_head, html.FirstChild);
}
}
else
{
// !EFW - Remove the unnecessary Help 2 CSS link element from the header
XmlNode hxLink = _head.SelectSingleNode(Help2XPath.HxLink);
if (hxLink != null)
{
_head.RemoveChild(hxLink);
}
}
// Apply some fix-ups if not branding aware
if (_head.SelectSingleNode("meta[@name='BrandingAware']") == null)
{
ModifyAttribute("id", "mainSection");
ModifyAttribute("class", "members");
}
AddMHSMeta(MHSMetaName.SelfBranded, _selfBranded.ToString().ToLowerInvariant());
AddMHSMeta(MHSMetaName.TopicVersion, _topicVersion);
string locale = _locale;
string id = Guid.NewGuid().ToString();
_xml = _head.SelectSingleNode(Help2XPath.Xml);
if (_xml != null)
{
XmlNamespaceManager nsmgr = new XmlNamespaceManager(_document.NameTable);
if (!nsmgr.HasNamespace(Help2Namespace.Prefix))
{
nsmgr.AddNamespace(Help2Namespace.Prefix, Help2Namespace.Uri);
}
XmlElement elem = _xml.SelectSingleNode(Help2XPath.TocTitle, nsmgr) as XmlElement;
if (elem != null)
{
AddMHSMeta(MHSMetaName.Title, elem.GetAttribute(Help2Attr.Title));
}
foreach (XmlElement keyword in _xml.SelectNodes(String.Format(CultureInfo.InvariantCulture, Help2XPath.Keyword, Help2Value.K), nsmgr))
{
AddMHSMeta(MHSMetaName.Keywords, keyword.GetAttribute(Help2Attr.Term), true);
}
foreach (XmlElement keyword in _xml.SelectNodes(String.Format(CultureInfo.InvariantCulture, Help2XPath.Keyword, Help2Value.F), nsmgr))
{
AddMHSMeta(MHSMetaName.F1, keyword.GetAttribute(Help2Attr.Term), true);
}
foreach (XmlElement lang in _xml.SelectNodes(String.Format(CultureInfo.InvariantCulture, Help2XPath.Attr, Help2Value.DevLang), nsmgr))
{
AddMHSMeta(MHSMetaName.Category, Help2Value.DevLang + ":" + lang.GetAttribute(Help2Attr.Value), true);
}
elem = _xml.SelectSingleNode(String.Format(CultureInfo.InvariantCulture, Help2XPath.Attr, Help2Value.Abstract), nsmgr) as XmlElement;
if (elem != null)
{
AddMHSMeta(MHSMetaName.Description, elem.GetAttribute(Help2Attr.Value));
}
elem = _xml.SelectSingleNode(String.Format(CultureInfo.InvariantCulture, Help2XPath.Attr, Help2Value.AssetID), nsmgr) as XmlElement;
if (elem != null)
{
id = elem.GetAttribute(Help2Attr.Value);
}
if (String.IsNullOrEmpty(locale))
{
elem = _xml.SelectSingleNode(String.Format(CultureInfo.InvariantCulture, Help2XPath.Attr, Help2Value.Locale), nsmgr) as XmlElement;
if (elem != null)
{
locale = elem.GetAttribute(Help2Attr.Value);
}
}
// !EFW - Remove the XML data island as it serves no purpose
_head.RemoveChild(_xml);
}
if (String.IsNullOrEmpty(locale))
{
locale = MHSDefault.Locale;
}
AddMHSMeta(MHSMetaName.Locale, locale);
AddMHSMeta(MHSMetaName.TopicLocale, locale);
AddMHSMeta(MHSMetaName.Id, id);
if (_toc.ContainsKey(id))
{
TocInfo tocInfo = _toc[id];
AddMHSMeta(MHSMetaName.TocParent, tocInfo.Parent);
if (tocInfo.Parent != MHSDefault.TocParent)
{
AddMHSMeta(MHSMetaName.TocParentVersion, tocInfo.ParentVersion);
}
AddMHSMeta(MHSMetaName.TocOrder, tocInfo.Order.ToString(CultureInfo.InvariantCulture));
}
}
protected void btnMergeAllFiles_Click(object sender, EventArgs e)
{
try
{
//delete file if already exists...
if (File.Exists(Server.MapPath("~/Uploads/Catalog.pdf")))
{
File.Delete(Server.MapPath("~/Uploads/Catalog.pdf"));
}
// create new document to save the catalog...
Document doc = new Document();
//get all the applications in the directory
string[] pdfFiles = Directory.GetFiles(Server.MapPath("~/Uploads"), "*.pdf")
.Select(path => Path.GetFileName(path))
.ToArray();
if (pdfFiles.Count() == 0)
{
msg.Text = "<div class='alert alert-danger'><button data-dismiss='alert' class='close' type='button'>×</button>There is currently no application available.</div>";
return;
}
else
{
foreach (string val in pdfFiles)
{
//get the pdf document..
Document application = new Document(Server.MapPath("~/Uploads/" + val));
//merge the pages in catalog document...
doc.Pages.Add(application.Pages);
}
//====================================== Adding Table of Content Starts =========================================
//add TOC page...
Aspose.Pdf.Page tocPage = doc.Pages.Insert(1);
//add watermark on table of content
AddWaterMark(tocPage);
// Create object to represent TOC information
TocInfo tocInfo = new TocInfo();
TextFragment title = new TextFragment("Table Of Contents");
title.TextState.FontSize = 20;
title.TextState.FontStyle = FontStyles.Bold;
// Set the title for TOC
tocInfo.Title = title;
tocPage.TocInfo = tocInfo;
for (int i = 0; i < pdfFiles.Count(); i++)
{
// Create Heading object
Aspose.Pdf.Heading heading2 = new Aspose.Pdf.Heading(1);
TextSegment segment2 = new TextSegment();
heading2.TocPage = tocPage;
heading2.Segments.Add(segment2);
// Specify the destination page for heading object
heading2.DestinationPage = doc.Pages[i + 2];
// Destination page
heading2.Top = doc.Pages[i + 2].Rect.Height;
// Destination coordinate
segment2.Text = "Application Form No. " + (i + 1).ToString();
// Add heading to page containing TOC
tocPage.Paragraphs.Add(heading2);
}
//===================================== TOC Ends ==========================================
//save the final catalog file...
string catalogpath = Server.MapPath("~/Catalogs/Catalog.pdf");
doc.Save(catalogpath);
msg.Text = "<div class='alert alert-success'><button data-dismiss='alert' class='close' type='button'>×</button>Applications have been saved in catalog.</div>";
//show success message
}
}
catch (Exception exp)
{
msg.Text = "<div class='alert alert-danger'><button data-dismiss='alert' class='close' type='button'>×</button>Exception Occured:" + exp.Message + "</div>";
}
}
// loads TOC structure from an XPathNavigator
private void LoadToc(XPathNavigator navigator, string parent, string parentVersion)
{
int i = -1;
XPathNodeIterator interator = navigator.SelectChildren(TocXPath.Topic, string.Empty);
while (interator.MoveNext())
{
XPathNavigator current = interator.Current;
string id = current.GetAttribute(TocAttr.Id, string.Empty);
if (!string.IsNullOrEmpty(id))
{
TocInfo info = new TocInfo(parent, parentVersion, ++i);
_toc.Add(id, info);
LoadToc(current, id, _topicVersion);
}
}
}
//=====================================================================
// Loads TOC structure from an XPathNavigator
private void LoadToc(XPathNavigator navigator, string parent, string parentVersion)
{
// EFW - Reworked to support sortOrder attribute
int sortOrder = 0, tempOrder;
XPathNodeIterator interator = navigator.SelectChildren(TocXPath.Topic, String.Empty);
while(interator.MoveNext())
{
XPathNavigator current = interator.Current;
string id = current.GetAttribute(TocAttr.Id, String.Empty);
// If a sort order is defined, start from that value
string order = current.GetAttribute(TocAttr.SortOrder, String.Empty);
if(!String.IsNullOrEmpty(order) && Int32.TryParse(order, out tempOrder))
sortOrder = tempOrder;
if(!String.IsNullOrEmpty(id))
{
TocInfo info = new TocInfo(parent, parentVersion, sortOrder++);
// EFW - Work around a bug in Sandcastle that can result in duplicate IDs
// by using the indexer to add the topic rather than Add() which throws
// an exception when the duplicate is encountered.
_toc[id] = info;
LoadToc(current, id, _topicVersion);
}
}
}
private void btnCreatePDF_Click(object sender, EventArgs e)
{
try
{
if (lstTitles.Items.Count > 0)
{
Dictionary <string, List <int> > titles = new Dictionary <string, List <int> >();
List <string> ts = new List <string>();
Document doc = new Document(txtPDF.Text);
foreach (Page page in doc.Pages)
{
TextFragmentAbsorber absorber = new TextFragmentAbsorber();
page.Accept(absorber);
if (titles.Where(x => x.Key == absorber.TextFragments[1].Text).ToList().Count > 0)
{
titles[absorber.TextFragments[1].Text].Add(absorber.TextFragments[1].Page.Number);
ts.Remove(absorber.TextFragments[1].Text);
}
else
{
titles.Add(absorber.TextFragments[1].Text, new List <int>()
{
absorber.TextFragments[1].Page.Number
});
ts.Add(absorber.TextFragments[1].Text);
}
}
// Get chapters which are more than 1 page
var pages = titles.Where(x => x.Value.Count > 1).Select(x => x.Value).ToList();
List <int> ps = new List <int>();
if (pages.Count > 0)
{
foreach (var page in pages)
{
Document newDoc = new Document();
foreach (var p in page)
{
newDoc.Pages.Add(doc.Pages[p]);
ps.Add(p);
}
newDoc.Save("newPDF_" + DateTime.Now.Millisecond + ".pdf");
}
// Delete extracted pages from existing PDF
doc.Pages.Delete(ps.ToArray());
doc.Save("tmp.pdf");
}
// Create TOC for remaining pages
doc = new Document("tmp.pdf");
Page tocPage = doc.Pages.Insert(1);
// Create object to represent TOC information
TocInfo tocInfo = new TocInfo();
TextFragment title = new TextFragment("Table Of Contents");
title.TextState.FontSize = 20;
title.TextState.FontStyle = FontStyles.Bold;
// Set the title for TOC
tocInfo.Title = title;
tocPage.TocInfo = tocInfo;
foreach (var s in ts)
{
TextFragmentAbsorber absorber = new TextFragmentAbsorber(s);
doc.Pages.Accept(absorber);
Page targetPage = doc.Pages[absorber.TextFragments[1].Page.Number];
// Create Heading object
Aspose.Pdf.Heading heading2 = new Aspose.Pdf.Heading(1);
TextSegment segment2 = new TextSegment();
heading2.TocPage = tocPage;
heading2.Segments.Add(segment2);
// Specify the destination page for heading object
heading2.DestinationPage = targetPage;
// Destination page
heading2.Top = targetPage.Rect.Height;
// Destination coordinate
segment2.Text = s;
// Add heading to page containing TOC
tocPage.Paragraphs.Add(heading2);
}
doc.Save("Toc_" + DateTime.Now.Millisecond + ".pdf");
File.Delete("tmp.pdf");
MessageBox.Show("PDF with TOC has been created.", "Success");
}
else
{
MessageBox.Show("Please extract titles from PDF document first.", "Titles are not extracted");
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Error");
}
}
