package org.pdfclown.samples.cli;
import org.pdfclown.documents.Document;
import org.pdfclown.documents.NamedDestinations;
import org.pdfclown.documents.Names;
import org.pdfclown.documents.Pages;
import org.pdfclown.documents.interaction.navigation.document.Destination;
import org.pdfclown.documents.interaction.navigation.document.LocalDestination;
import org.pdfclown.files.File;
import org.pdfclown.objects.PdfString;
/**
This sample demonstrates <b>how to manipulate the named destinations</b> within a PDF document.
@author Stefano Chizzolini (http://www.stefanochizzolini.it)
@since 0.0.8
@version 0.1.0
*/
public class NamedDestinationSample
extends Sample
{
@Override
public boolean run(
)
{
// 1. Opening the PDF file...
File file;
{
String filePath = promptPdfFileChoice("Please select a PDF file");
try
{file = new File(filePath);}
catch(Exception e)
{throw new RuntimeException(filePath + " file access error.",e);}
}
Document document = file.getDocument();
Pages pages = document.getPages();
// 2. Inserting page destinations...
Names names = document.getNames(); if(names == null){document.setNames(names = new Names(document));}
NamedDestinations destinations = names.getDestinations(); if(destinations == null){names.setDestinations(destinations = new NamedDestinations(document));}
destinations.put(new PdfString("First page"), new LocalDestination(pages.get(0)));
if(pages.size() > 1)
{
destinations.put(new PdfString("Second page"), new LocalDestination(pages.get(1), Destination.ModeEnum.FitHorizontal, new Float[]{0f}));
if(pages.size() > 2)
{destinations.put(new PdfString("Third page"), new LocalDestination(pages.get(2), Destination.ModeEnum.XYZ, new Float[]{50f,null,null}));}
}
// (boilerplate metadata insertion -- ignore it)
buildAccessories(document,"Named destinations","manipulating named destinations");
// 3. Serialize the PDF file!
serialize(file);
return true;
}
}