interactive/form_pushbutton

 * Form pushbutton:

 * Create two form fields of type "pushbutton" for executing the "Print" and

 * "Save As" commands.

 *

 * Create two form fields of type "pushbutton". Define two actions which

 * execute the Acrobat menu commands "File/Print" or "File/Save As",

 * respectively. Perform the Print or Save As action when the user clicks the

 * respective field. Represent the buttons using a caption or using an image

 * loaded as a template.

 *

 * Required software: PDFlib/PDFlib+PDI/PPS 8

 * Required data: none

 */

package com.pdflib.cookbook.pdflib.interactive;

import com.pdflib.pdflib;

import com.pdflib.PDFlibException;

public class form_pushbutton

{

    public static void main (String argv[])

    {

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

    String searchpath = "../input";

    String outfile = "form_pushbutton.pdf";

    String title = "Form Pushbutton";

    pdflib p = null;

    String optlist;

    String p_imagefile = "fileprint.jpg";

    String s_imagefile = "filesaveas.jpg";

    int font;

    double width=60, height=30, llx = 40, lly = 600;

    int pact, sact, pimg, simg;

    double pwidth, pheight, swidth, sheight;

    try {

        p = new pdflib();

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

        p.set_parameter("errorpolicy", "return");

        p.set_parameter("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: 1.8 $");

        font = p.load_font("Helvetica", "winansi", "");

        if (font == -1)

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

        /* Load the "Print" image as template */

        pimg = p.load_image("auto", p_imagefile, "template=true");

        if (pimg == -1)

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

        /* Load the "Save As" image as template */

        simg = p.load_image("auto", s_imagefile, "template=true");

        if (simg == -1)

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

        /* Create an action for executing the Acrobat command File/Print */

        pact = p.create_action("Named", "menuname=Print");

        /* Create an action for executing the Acrobat command File/Save As */

        sact = p.create_action("Named", "menuname=SaveAs");

        /* Start page */

        p.begin_page_ext(0, 0, " width=a4.width height=a4.height");

        p.setfont(font, 14);

        /* ------------------------------------------------------------

         * Create two pushbutton form fields for executing Acrobat menu

         * commands and represent them using a caption

         * ------------------------------------------------------------

         */

        /* Output some descriptive text */

        p.fit_textline("Two buttons executing Acrobat menu commands and " +

            "represented by a caption:", llx, lly, "");

        lly-=60;

        /* Create the "print" and "save" form fields of type "pushbutton".

         * Provide the buttons with a light blue background

         * (backgroundcolor={rgb 0.95 0.95 1}) and

         * a blue border (bordercolor={rgb 0.25 0 0.95}) with a default line

         * width of 1.

         * Supply a blue caption describing the menu command

         * (caption={Print} fillcolor={rgb 0.25 0 0.95}).

         * Define an individual tooltip for each button.

         * Supply the action defined above to be performed when the user

         * releases the mouse button inside the field's area

         * (action={up <actionhandle>}).

         *

         */

        optlist = "bordercolor={rgb 0.25 0 0.95} " +

            "backgroundcolor={rgb 0.95 0.95 1} " +

            "fillcolor={rgb 0.25 0 0.95} font=" + font + " fontsize=14";

        p.create_field(llx, lly, llx + width, lly + height, "print",

            "pushbutton", optlist + " caption={Print} action={up " + pact +

            "} tooltip={Print the document}");

        llx+=100;

        p.create_field(llx, lly, llx + width, lly + height, "save",

                "pushbutton", optlist + " caption={Save As} action={up " + sact +

            "} tooltip={Save the document}");

        /* ------------------------------------------------------------

         * Create two pushbutton form fields for executing Acrobat menu

         * commands and represent them using images

         * ------------------------------------------------------------

         */

        llx=40;

        lly=400;

        /* Output some descriptive text */

        p.fit_textline("Two buttons executing Acrobat menu commands and " +

            "represented by an image:", llx, lly, "");

        lly-=60;

        /* Get the width and height of the "Print" image */

        pwidth = p.info_image(pimg, "imagewidth", "");

        pheight = p.info_image(pimg, "imageheight", "");

        /* Get the width and height of the "Save" image */

        swidth = p.info_image(pimg, "imagewidth", "");

        sheight = p.info_image(pimg, "imageheight", "");

        /* Create a "printicon" and a "saveicon" form field of type

         * "pushbutton".

         * Calculate the button width based on a fixed button

         * height as well as the image proportions.

         * Supply the action defined above to be performed when the user

         * releases the mouse button inside the field's area

         * (action={up <actionhandle>}).

         * Provide the buttons with an image (icon=<imagehandle>).

         * Define an individual tooltip for each button.

         * Fit the image completely into the button rectangle: because of

         * a particular behaviour of Acrobat we need to define a border color

         * and set the line width to zero.

         * .

         */

        double pbuttonwidth = pwidth/pheight*height;

        p.create_field(llx, lly, llx + pbuttonwidth, lly + height, "printicon",

            "pushbutton", "action={up " + pact + "} icon=" + pimg +

            " tooltip={Print the document} bordercolor={gray 0} linewidth=0" +

            " font=" + font);

        llx+=100;

        double sbuttonwidth = swidth/sheight*height;

        p.create_field(llx, lly, llx + sbuttonwidth, lly + height, "saveicon",

            "pushbutton", "action={up " + sact + "} icon=" + simg +

            " tooltip={Save the document} bordercolor={gray 0} linewidth=0" +

            " font=" + font);

        p.close_image(pimg);

        p.close_image(simg);

        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();

            }

        }

    }

}