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interactive/nested_bookmarks

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/* $Id: nested_bookmarks.java,v 1.7 2013/01/15 10:12:00 stm Exp $

 * Nested bookmarks:

 * Create bookmarks which are nested in several levels

 *

 * Create a title page with a top-level bookmark and provide the following

 * pages with bookmarks nested on the second level. Below each of those the

 * second level bookmarks create another bookmark which jumps to a Web site. 

 *

 * Required software: PDFlib/PDFlib+PDI/PPS 9

 * Required data: none

 */

package com.pdflib.cookbook.pdflib.interactive;


import com.pdflib.pdflib;

import com.pdflib.PDFlibException;


public class nested_bookmarks

{

    public static void main (String argv[])

    {

    /* This is where the data files are. Adjust as necessary. */

    String searchpath = "../input";

    String outfile = "nested_bookmarks.pdf";

    String title = "Nested Bookmarks";


    pdflib p = null;

    int font, i, numpages = 5, pagewidth=200, pageheight=100;

    int bm_planes, bm_plane;

    int x = 20, y = 50;

   

    String planes[] =

    {

        "Giant Wing",

        "Long Distance Glider",

        "Cone Head Rocket",

        "Super Dart",

        "German Bi-Plane"

    };


    try {

        p = new pdflib();


        p.set_option("searchpath={" + searchpath + "}");


        /* This means we must check return values of load_font() etc. */

        p.set_option("errorpolicy=return");


        if (p.begin_document(outfile, "") == -1)

        throw new Exception("Error: " + p.get_errmsg());


        p.set_info("Creator", "PDFlib Cookbook");

        p.set_info("Title", title + " $Revision: 1.7 $");

       

        /* Load a font */

        font = p.load_font("Helvetica-Bold", "unicode", "");

        if (font == -1)

            throw new Exception("Error: " + p.get_errmsg());

       

        /* Create the title page with a top-level bookmark */

        p.begin_page_ext(pagewidth, pageheight, "");

        p.fit_textline("Kraxi Paper Planes", x, y, "font= " + font +

            " fontsize=14");

        bm_planes = p.create_bookmark("Kraxi Paper Planes", "");

        p.end_page_ext("");


        /* Create further pages with a bookmark each which is nested below the

         * top-level bookmark created above */

        for (i=0; i < numpages; i++)

        {

            int action;

       

            /* Start page */

            p.begin_page_ext(pagewidth, pageheight, "");

       

            /* Output some text on the page */

            p.fit_textline(planes[i], x, y, "font= " + font + " fontsize=14");


            /* Create a "Plane" bookmark on the page which is nested under the

             * "Kraxi Paper Planes" bookmark */

            bm_plane = p.create_bookmark(planes[i], "parent=" + bm_planes);

       

            /* Create a "URI" action for opening a URL */

            action = p.create_action("URI", "url={http://www.kraxi.com}");

       

            /* Create a bookmark which jumps to be URL defined above. This

             * bookmark is nested on level three under the "Plane" bookmark

             * created above.

             */

            p.create_bookmark("Jump to the Kraxi Website",

                 "parent=" + bm_plane + " action={activate=" + action + "}");

   

            p.end_page_ext("");

        }

        p.end_document("");


        } catch (PDFlibException e) {

            System.err.print("PDFlib exception occurred:\n");

            System.err.print("[" + e.get_errnum() + "] " + e.get_apiname() +

                ": " + e.get_errmsg() + "\n");

        } catch (Exception e) {

            System.err.println(e.getMessage());

        } finally {

            if (p != null) {

                p.delete();

            }

        }

    }

}