private static bool AddInternalLink(
DocumentDefBuilder docBuilder,
ParsingContext context,
InternalLinkIdBuilder linkIdBuilder,
StringBuilder internalLinkDescription)
{
Contract.Requires(docBuilder != null);
Contract.Requires(context != null);
Contract.Requires(linkIdBuilder != null);
InternalLinkId linkId = linkIdBuilder.Build(context);
if (linkId == null)
{
return(false);
}
string description = null;
if (internalLinkDescription != null)
{
description = internalLinkDescription.ToString().Trim();
if (description.Length == 0)
{
context.ReportError("Internal link ('{0}') has an empty description".Fmt(linkId));
return(false);
}
}
InternalLinkElement linkEl = new InternalLinkElement(linkId, description);
docBuilder.AddToParagraph(linkEl);
return(true);
}
private void ProcessParagraphContents(ParagraphElement paragraphEl)
{
Contract.Requires(paragraphEl != null);
foreach (IDocumentElement el in paragraphEl.Children)
{
TextElement textEl = el as TextElement;
InternalLinkElement internalLinkEl = el as InternalLinkElement;
ExternalLinkElement externalLinkEl = el as ExternalLinkElement;
if (textEl != null)
{
ProcessTextElement(textEl);
}
else if (internalLinkEl != null)
{
ProcessInternalLinkElement(internalLinkEl);
}
else if (externalLinkEl != null)
{
ProcessExternalLinkElement(externalLinkEl);
}
else
{
throw new NotImplementedException("todo next:");
}
}
}
protected override void OnInternalLinkElement(InternalLinkElement linkEl)
{
writer.AddAttribute(HtmlTextWriterAttribute.Href, "http://google.com/{0}".Fmt(linkEl.LinkId));
writer.RenderBeginTag(HtmlTextWriterTag.A);
if (linkEl.LinkDescription != null)
{
writer.WriteEncodedText(linkEl.LinkDescription);
}
else
{
writer.WriteEncodedText(linkEl.LinkId.ToString());
}
writer.RenderEndTag();
}
protected void createPdfButton_Click(object sender, EventArgs e)
{
// Create a PDF document
Document pdfDocument = new Document();
// Set license key received after purchase to use the converter in licensed mode
// Leave it not set to use the converter in demo mode
pdfDocument.LicenseKey = "4W9+bn19bn5ue2B+bn1/YH98YHd3d3c=";
// Add a page to PDF document
PdfPage pdfPage = pdfDocument.AddPage();
// Add second page to PDF document
PdfPage secondPdfPage = pdfDocument.AddPage();
// Add third page to PDF document
PdfPage thirdPdfPage = pdfDocument.AddPage();
try
{
// The titles font used to mark various sections of the PDF document
PdfFont titleFont = pdfDocument.AddFont(new Font("Times New Roman", 10, FontStyle.Bold, GraphicsUnit.Point));
PdfFont subtitleFont = pdfDocument.AddFont(new Font("Times New Roman", 8, FontStyle.Regular, GraphicsUnit.Point));
// The links text font
PdfFont linkTextFont = pdfDocument.AddFont(new Font("Times New Roman", 8, FontStyle.Bold, GraphicsUnit.Point));
linkTextFont.IsUnderline = true;
float xLocation = 5;
float yLocation = 5;
// Add document title
TextElement titleTextElement = new TextElement(xLocation, yLocation, "Create Internal Links in PDF Document", titleFont);
AddElementResult addElementResult = pdfPage.AddElement(titleTextElement);
yLocation = addElementResult.EndPageBounds.Bottom + 15;
// Add a text in second page
TextElement secondPageTextElement = new TextElement(5, 5, "This text is the target of an internal text link", subtitleFont);
secondPdfPage.AddElement(secondPageTextElement);
// Add a text in third page
TextElement thirdPageTextElement = new TextElement(5, 5, "This text is the target of an internal image link", subtitleFont);
thirdPdfPage.AddElement(thirdPageTextElement);
// Make a text in PDF an internal link to the second page of the PDF document
// Add the text element
string text = "Click this text to go to the second page of this document!";
float textWidth = linkTextFont.GetTextWidth(text);
TextElement linkTextElement = new TextElement(xLocation, yLocation, text, linkTextFont);
linkTextElement.ForeColor = Color.Navy;
addElementResult = pdfPage.AddElement(linkTextElement);
// Make the text element an internal link to the second page of this document
RectangleF linkRectangle = new RectangleF(xLocation, yLocation, textWidth, addElementResult.EndPageBounds.Height);
// Create the destination in second page
ExplicitDestination secondPageDestination = new ExplicitDestination(secondPdfPage, new PointF(5, 5));
// Create the internal link from text element to second page
InternalLinkElement internalLink = new InternalLinkElement(linkRectangle, secondPageDestination);
// Add the internal link to PDF document
pdfPage.AddElement(internalLink);
yLocation = addElementResult.EndPageBounds.Bottom + 10;
// Make an image in PDF an internal link to the third page of the PDF document
TextElement subtitleTextElement = new TextElement(xLocation, yLocation, "Click the image below to go to the third page of this document:", subtitleFont);
addElementResult = pdfPage.AddElement(subtitleTextElement);
yLocation = addElementResult.EndPageBounds.Bottom + 5;
// Add the image element
ImageElement linkImageElement = new ImageElement(xLocation, yLocation, 120, Server.MapPath("~/DemoAppFiles/Input/Images/logo.jpg"));
addElementResult = pdfPage.AddElement(linkImageElement);
// Make the image element an internal link to the third page of this document
linkRectangle = addElementResult.EndPageBounds;
// Create the destination in third page
ExplicitDestination thirdPageDestination = new ExplicitDestination(thirdPdfPage, new PointF(5, 5));
// Create the internal link from image element to third page
internalLink = new InternalLinkElement(linkRectangle, thirdPageDestination);
// Add the internal link to PDF document
pdfPage.AddElement(internalLink);
// Save the PDF document in a memory buffer
byte[] outPdfBuffer = pdfDocument.Save();
// Send the PDF as response to browser
// Set response content type
Response.AddHeader("Content-Type", "application/pdf");
// Instruct the browser to open the PDF file as an attachment or inline
Response.AddHeader("Content-Disposition", String.Format("attachment; filename=Internal_Links.pdf; size={0}", outPdfBuffer.Length.ToString()));
// Write the PDF document buffer to HTTP response
Response.BinaryWrite(outPdfBuffer);
// End the HTTP response and stop the current page processing
Response.End();
}
finally
{
// Close the PDF document
pdfDocument.Close();
}
}
public ActionResult CreatePdf(IFormCollection collection)
{
// Create a PDF document
Document pdfDocument = new Document();
// Set license key received after purchase to use the converter in licensed mode
// Leave it not set to use the converter in demo mode
pdfDocument.LicenseKey = "4W9+bn19bn5ue2B+bn1/YH98YHd3d3c=";
// Add a page to PDF document
PdfPage pdfPage = pdfDocument.AddPage();
// Add second page to PDF document
PdfPage secondPdfPage = pdfDocument.AddPage();
// Add third page to PDF document
PdfPage thirdPdfPage = pdfDocument.AddPage();
try
{
// The titles font used to mark various sections of the PDF document
PdfFont titleFont = pdfDocument.AddFont(new Font("Times New Roman", 10, FontStyle.Bold, GraphicsUnit.Point));
PdfFont subtitleFont = pdfDocument.AddFont(new Font("Times New Roman", 8, FontStyle.Regular, GraphicsUnit.Point));
// The links text font
PdfFont linkTextFont = pdfDocument.AddFont(new Font("Times New Roman", 8, FontStyle.Bold, GraphicsUnit.Point));
linkTextFont.IsUnderline = true;
float xLocation = 5;
float yLocation = 5;
// Add document title
TextElement titleTextElement = new TextElement(xLocation, yLocation, "Create Internal Links in PDF Document", titleFont);
AddElementResult addElementResult = pdfPage.AddElement(titleTextElement);
yLocation = addElementResult.EndPageBounds.Bottom + 15;
// Add a text in second page
TextElement secondPageTextElement = new TextElement(5, 5, "This text is the target of an internal text link", subtitleFont);
secondPdfPage.AddElement(secondPageTextElement);
// Add a text in third page
TextElement thirdPageTextElement = new TextElement(5, 5, "This text is the target of an internal image link", subtitleFont);
thirdPdfPage.AddElement(thirdPageTextElement);
// Make a text in PDF an internal link to the second page of the PDF document
// Add the text element
string text = "Click this text to go to the second page of this document!";
float textWidth = linkTextFont.GetTextWidth(text);
TextElement linkTextElement = new TextElement(xLocation, yLocation, text, linkTextFont);
linkTextElement.ForeColor = Color.Navy;
addElementResult = pdfPage.AddElement(linkTextElement);
// Make the text element an internal link to the second page of this document
RectangleF linkRectangle = new RectangleF(xLocation, yLocation, textWidth, addElementResult.EndPageBounds.Height);
// Create the destination in second page
ExplicitDestination secondPageDestination = new ExplicitDestination(secondPdfPage, new PointF(5, 5));
// Create the internal link from text element to second page
InternalLinkElement internalLink = new InternalLinkElement(linkRectangle, secondPageDestination);
// Add the internal link to PDF document
pdfPage.AddElement(internalLink);
yLocation = addElementResult.EndPageBounds.Bottom + 10;
// Make an image in PDF an internal link to the third page of the PDF document
TextElement subtitleTextElement = new TextElement(xLocation, yLocation, "Click the image below to go to the third page of this document:", subtitleFont);
addElementResult = pdfPage.AddElement(subtitleTextElement);
yLocation = addElementResult.EndPageBounds.Bottom + 5;
// Add the image element
ImageElement linkImageElement = new ImageElement(xLocation, yLocation, 120, m_hostingEnvironment.ContentRootPath + "/wwwroot" + "/DemoAppFiles/Input/Images/logo.jpg");
addElementResult = pdfPage.AddElement(linkImageElement);
// Make the image element an internal link to the third page of this document
linkRectangle = addElementResult.EndPageBounds;
// Create the destination in third page
ExplicitDestination thirdPageDestination = new ExplicitDestination(thirdPdfPage, new PointF(5, 5));
// Create the internal link from image element to third page
internalLink = new InternalLinkElement(linkRectangle, thirdPageDestination);
// Add the internal link to PDF document
pdfPage.AddElement(internalLink);
// Save the PDF document in a memory buffer
byte[] outPdfBuffer = pdfDocument.Save();
// Send the PDF file to browser
FileResult fileResult = new FileContentResult(outPdfBuffer, "application/pdf");
fileResult.FileDownloadName = "Internal_Links.pdf";
return(fileResult);
}
finally
{
// Close the PDF document
pdfDocument.Close();
}
}
private void ProcessInternalLinkElement(InternalLinkElement linkEl)
{
Contract.Requires(linkEl != null);
OnInternalLinkElement(linkEl);
}
protected virtual void OnInternalLinkElement(InternalLinkElement linkEl)
{
Contract.Requires(linkEl != null);
}
protected void createPdfButton_Click(object sender, EventArgs e)
{
// Get the server IP and port
String serverIP = textBoxServerIP.Text;
uint serverPort = uint.Parse(textBoxServerPort.Text);
// Create a PDF document
Document pdfDocument = new Document(serverIP, serverPort);
// Set optional service password
if (textBoxServicePassword.Text.Length > 0)
{
pdfDocument.ServicePassword = textBoxServicePassword.Text;
}
// Set license key received after purchase to use the converter in licensed mode
// Leave it not set to use the converter in demo mode
pdfDocument.LicenseKey = "4W9+bn19bn5ue2B+bn1/YH98YHd3d3c=";
// Add a page to PDF document
PdfPage pdfPage = pdfDocument.AddPage();
// Add second page to PDF document
PdfPage secondPdfPage = pdfDocument.AddPage();
// Add third page to PDF document
PdfPage thirdPdfPage = pdfDocument.AddPage();
// The titles font used to mark various sections of the PDF document
PdfFont titleFont = new PdfFont("Times New Roman", 10, true);
titleFont.Bold = true;
PdfFont subtitleFont = new PdfFont("Times New Roman", 8, true);
// The links text font
PdfFont linkTextFont = new PdfFont("Times New Roman", 8, true);
linkTextFont.Bold = true;
linkTextFont.Underline = true;
// Add document title
TextElement titleTextElement = new TextElement(5, 5, "Create Internal Links in PDF Document", titleFont);
pdfPage.AddElement(titleTextElement);
// Add a text in second page
TextElement secondPageTextElement = new TextElement(5, 5, "This text is the target of an internal text link", subtitleFont);
secondPdfPage.AddElement(secondPageTextElement);
// Add a text in third page
TextElement thirdPageTextElement = new TextElement(5, 5, "This text is the target of an internal image link", subtitleFont);
thirdPdfPage.AddElement(thirdPageTextElement);
// Make a text in PDF an internal link to the second page of the PDF document
// Add the text element
string text = "Click this text to go to the second page of this document!";
TextElement linkTextElement = new TextElement(5, 30, 200, text, linkTextFont);
linkTextElement.ForeColor = RgbColor.Navy;
pdfPage.AddElement(linkTextElement);
// Make the text element an internal link to the second page of this document
RectangleFloat linkRectangle = RectangleFloat.Empty;
// Create the destination in second page
ExplicitDestination secondPageDestination = new ExplicitDestination(secondPdfPage, new PointFloat(5, 5));
// Create the internal link from text element to second page
InternalLinkElement internalLink = new InternalLinkElement(linkRectangle, secondPageDestination);
// Add the internal link to PDF document
pdfDocument.AddElement(internalLink, 0, true, true, 0, true, false);
// Make an image in PDF an internal link to the third page of the PDF document
TextElement subtitleTextElement = new TextElement(0, 0, "Click the image below to go to the third page of this document:", subtitleFont);
pdfDocument.AddElement(subtitleTextElement, 10);
// Add the image element
ImageElement linkImageElement = new ImageElement(0, 0, 120, Server.MapPath("~/DemoAppFiles/Input/Images/logo.jpg"));
pdfDocument.AddElement(linkImageElement);
// Make the image element an internal link to the third page of this document
linkRectangle = RectangleFloat.Empty;
// Create the destination in third page
ExplicitDestination thirdPageDestination = new ExplicitDestination(thirdPdfPage, new PointFloat(5, 5));
// Create the internal link from image element to third page
internalLink = new InternalLinkElement(linkRectangle, thirdPageDestination);
// Add the internal link to PDF document
pdfDocument.AddElement(internalLink, 0, true, true, 0, true, false);
// Save the PDF document in a memory buffer
byte[] outPdfBuffer = pdfDocument.Save();
// Send the PDF as response to browser
// Set response content type
Response.AddHeader("Content-Type", "application/pdf");
// Instruct the browser to open the PDF file as an attachment or inline
Response.AddHeader("Content-Disposition", String.Format("attachment; filename=Internal_Links.pdf; size={0}", outPdfBuffer.Length.ToString()));
// Write the PDF document buffer to HTTP response
Response.BinaryWrite(outPdfBuffer);
// End the HTTP response and stop the current page processing
Response.End();
}
