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form_fields/form_synchronized_fields

Create multiple form fields of type 'textfield' with synchronized values

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/* Synchronized form fields
 *
 * Create pairs of synchronized form fields, i.e. both fields display the same
 * values.
 *
 * The fields in each pair are part of a group with suitable type.
 * By using the group name as prefix for the field names the fields
 * are part of the corresponding group.
 * 
 * Required software: PDFlib/PDFlib+PDI/PPS 9
 * Required data: none
 */
package com.pdflib.cookbook.pdflib.form_fields;

import com.pdflib.pdflib;
import com.pdflib.PDFlibException;

public class form_synchronized_fields
{
    public static void main (String argv[])
    {
        /* This is where the data files are. Adjust as necessary */
        String searchpath = "../input";
        String outfile = "form_synchronized_fields.pdf";
        String title = "Form synchronized fields";
        
        pdflib p = null;
        int exitcode = 0;

        String optlist;
        int font;
        double width=150, height=20, llx1 = 100, lly = 600, llx2=llx1+200;
      
        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);

            font = p.load_font("NotoSerif-Regular", "winansi", "simplefont embedding nosubsetting");
            if (font == -1)
                throw new Exception("Error: " + p.get_errmsg());
            
            p.begin_page_ext(0, 0, " width=a4.width height=a4.height");
            
            p.fit_textline("The fields below contain synchronized values:", llx1, lly, "fontsize=14 font=" + font);


            /* ------------- Synchronized textfields ------------- */
            /* Create field group as container of synchronized fields. */
            p.create_fieldgroup("name", "fieldtype=textfield currentvalue={John Doe} fontsize=14 font=" + font);
            
            lly -= 2*height;
            optlist = "backgroundcolor={gray 0.9} bordercolor={gray 0.7}";
            
            p.create_field(llx1, lly, llx1 + width, lly + height, "name.1", "textfield", optlist);
            p.create_field(llx2, lly, llx2 + width, lly + height, "name.2", "textfield", optlist);
            
            /* ------------- Synchronized checkboxes ------------- */
            /* Create field group as container of synchronized fields. */
            p.create_fieldgroup("paper", "fieldtype=checkbox currentvalue=On buttonstyle=cross fontsize=14");

            lly -= 2*height;
            optlist = "backgroundcolor={gray 0.9} bordercolor={gray 0.7}";
            
            p.create_field(llx1, lly, llx1 + height, lly + height, "paper.1", "checkbox", optlist);
            p.create_field(llx2, lly, llx2 + height, lly + height, "paper.2", "checkbox", optlist);


            /* ------------- Synchronized comboboxes ------------- */
            /* Create field group as container of synchronized fields. */
            p.create_fieldgroup("size", "fieldtype=combobox fontsize=14 font=" + font + " itemnamelist={0 1 2 3 4} currentvalue=XXL itemtextlist={S M L XL XXL} editable");

            lly -= 2*height;
            optlist = "backgroundcolor={gray 0.9} bordercolor={gray 0.7}";
            
            p.create_field(llx1, lly, llx1 + width, lly + height, "size.1", "combobox", optlist);
            p.create_field(llx2, lly, llx2 + width, lly + height, "size.2", "combobox", optlist);


            /* ------------- Synchronized listboxes ------------- */
            /* Create field group as container of synchronized fields. */
            p.create_fieldgroup("plane", "fieldtype=listbox fontsize=14 font=" + font +
                " itemtextlist={{Long Distance Glider} {Giant Wing} {Cone Head Rocket} {Super Dart}}" +
                "  currentvalue=2");
            
            lly -= 6*height;
            optlist = "backgroundcolor={gray 0.9} bordercolor={gray 0.7}";
            
            p.create_field(llx1, lly, llx1 + width, lly + 4*height, "plane.1", "listbox", optlist);
            p.create_field(llx2, lly, llx2 + width, lly + 4*height, "plane.2", "listbox", optlist);

            
            /* ------------- Synchronized pushbuttons ------------- */
            /* Create field group as container of synchronized fields. */
            p.create_fieldgroup("press", "fieldtype=pushbutton fontsize=14 font=" + font + " caption={click me}");

            lly -= 2*height;
            optlist = "backgroundcolor={gray 0.9} bordercolor={gray 0.7}";
            
            p.create_field(llx1, lly, llx1 + width/2, lly + height, "press.1", "pushbutton", optlist);
            p.create_field(llx2, lly, llx2 + width/2, lly + height, "press.2", "pushbutton", optlist);
            
            p.end_page_ext("");
            
            p.end_document("");

        } catch (PDFlibException e) {
            System.err.println("PDFlib exception occurred:");
            System.err.println("[" + e.get_errnum() + "] " + e.get_apiname()
                + ": " + e.get_errmsg());
            exitcode = 1;
        } catch (Exception e) {
            System.err.println(e);
            exitcode = 1;
        } finally {
            if (p != null) {
                p.delete();
            }
            System.exit(exitcode);
        }
    }
}