PDFlib Cookbook

cookbook

interactive/form_radiobutton

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/* $Id: form_radiobutton.java,v 1.9 2013/02/26 10:59:41 rp Exp $
 * Form radio button:
 * Create a field group with three form fields of type "radiobutton".
 * 
 * Create a field group and three radio buttons.
 * 
 * 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 form_radiobutton
{
    public static void main (String argv[])
    {
    /* This is where the data files are. Adjust as necessary */
    String searchpath = "../input";
    String outfile = "form_radiobutton.pdf";
    String title = "Form Radiobutton";
    
    pdflib p = null;

    String optlist;
    int font;
    double width=20, height=20, llx = 50, lly = 600;

    try {
        p = new pdflib();

        /* This means we must check return values of load_font() etc. */
        p.set_option("errorpolicy=return");

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

        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: 1.9 $");

        font = p.load_font("Helvetica", "winansi", "");
        if (font == -1)
            throw new Exception("Error: " + p.get_errmsg());
        
        /* Start page */
        p.begin_page_ext(0, 0, " width=a4.width height=a4.height");
        
        p.setfont(font, 12);
        
        /* First, create a form field group called "colors" */
        p.create_fieldgroup("colors", "fieldtype=radiobutton");
        

        p.fit_textline("Choose the paper plane color:", llx, lly, "");
        lly-=40;
        
        /* Then, create several form fields of type "radiobutton" which appear
         * as gray circles (buttonstyle=circle bordercolor={gray 0.8}). 
         * All fields belong to the "colors" field group. Indicate this
         * relationship by providing each radiobutton field name with the
         * prefix "colors.".
         * Activate the first radio button (currentvalue={On}).
	 * Provide a tooltip. The tooltip is always shared by the group.
         */
        optlist = "buttonstyle=circle bordercolor={gray 0.8}";
        
        p.create_field(llx, lly, llx + width, lly + height, "colors.standard",
            "radiobutton", optlist + " currentvalue={On} " +
            "tooltip={Select a color for the paper plane}");
        
        /* Output the button label */
        p.fit_textline("Standard", llx + 30, lly, "boxsize={0 " + height +
            "} position={left center}");
        lly-=40;
        
        p.create_field(llx, lly, llx + width, lly + height, 
            "colors.yellow", "radiobutton", optlist);
        
        p.fit_textline("Yellow", llx + 30, lly, "boxsize={0 " + height +
            "} position={left center}");
        lly-=40;
        
        p.create_field(llx, lly, llx + width, lly + height, "colors.blue",
            "radiobutton", optlist);
        
        p.fit_textline("Blue", llx + 30, lly, "boxsize={0 " + height +
            "} position={left center}");
        lly-=40;
 
        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();
            }
        }
    }
}