ActionSample.cs :  » PDF » PDF-Clown » it » stefanochizzolini » clown » samples » C# / CSharp Open Source

using it.stefanochizzolini.clown.documents;
using it.stefanochizzolini.clown.documents.contents.composition;
using it.stefanochizzolini.clown.documents.contents.entities;
using it.stefanochizzolini.clown.documents.contents.fonts;
using it.stefanochizzolini.clown.documents.contents.xObjects;
using it.stefanochizzolini.clown.documents.interaction.actions;
using it.stefanochizzolini.clown.documents.interaction.navigation.document;
using it.stefanochizzolini.clown.files;

using System;
using System.Collections.Generic;
using System.Drawing;

namespace it.stefanochizzolini.clown.samples{
  /**
    <summary>This sample demonstrates how to apply actions to a document.</summary>
    <remarks>In this case, on document opening a go-to-page-2 action is triggered;
    then on page 2 opening a go-to-URI action is triggered.</remarks>
  */
  public class ActionSample
    : ISample
  {
    #region dynamic
    #region interface
    #region public
    #region ISample
    public void Run(
      SampleLoader loader
      )
    {
      // (boilerplate user choice -- ignore it)
      string filePath = loader.GetPdfFileChoice("Please select a PDF file");

      // 1. Open the PDF file!
      File file = new File(filePath);
      // Get the PDF document!
      Document document = file.Document;

      // 2. Applying actions...
      // 2.1. Local go-to.
      {
        DocumentActions documentActions = document.Actions;
        if(documentActions == null)
        {
          document.Actions = documentActions = new DocumentActions(document);
          document.Update();
        }

        /*
          NOTE: This statement instructs the PDF viewer to go to page 2 on document opening.
        */
        documentActions.OnOpen = new GoToLocal(
          document,
          new LocalDestination(
            document.Pages[1],
            Destination.ModeEnum.Fit,
            null
            )
          );
        documentActions.Update();
      }
      // 2.2. Remote go-to.
      {
        Page page = document.Pages[1];
        PageActions pageActions = page.Actions;
        if(pageActions == null)
        {
          page.Actions = pageActions = new PageActions(document);
          page.Update();
        }
        try
        {
          /*
            NOTE: This statement instructs the PDF viewer to navigate to the given URI on page 2 opening.
          */
          pageActions.OnOpen = new GoToURI(
            document,
            new Uri("http://www.sourceforge.net/projects/clown")
            );
          pageActions.Update();
        }
        catch(Exception exception)
        {throw new Exception("Remote goto failed.",exception);}
      }

      // (boilerplate metadata insertion -- ignore it)
      loader.BuildAccessories(document,this.GetType(),"Actions","applying actions");

      // 3. Serialize the PDF file (again, boilerplate code -- see the SampleLoader class source code)!
      loader.Serialize(file,this.GetType().Name,false);
    }
    #endregion
    #endregion
    #endregion
    #endregion
  }
}