# modules/javascript.js

    /*global jsPDF */
    /**
     * @license
     * ====================================================================
     * Copyright (c) 2013 Youssef Beddad, youssef.beddad@gmail.com
     *
     * Permission is hereby granted, free of charge, to any person obtaining
     * a copy of this software and associated documentation files (the
     * "Software"), to deal in the Software without restriction, including
     * without limitation the rights to use, copy, modify, merge, publish,
     * distribute, sublicense, and/or sell copies of the Software, and to
     * permit persons to whom the Software is furnished to do so, subject to
     * the following conditions:
     *
     * The above copyright notice and this permission notice shall be
     * included in all copies or substantial portions of the Software.
     *
     * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
     * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
     * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
     * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
     * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
     * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
     * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
     * ====================================================================
     */

    /**
     * jsPDF JavaScript plugin
     *
     * @name javascript
     * @module
    */
    (function (jsPDFAPI) {
        'use strict';
        var jsNamesObj, jsJsObj, text;
    	/**
    	* @name addJS
    	* @function
    	* @param {string} javascript The javascript to be embedded into the PDF-file.
    	* @returns {jsPDF}
    	*/
        jsPDFAPI.addJS = function (javascript) {
            text = javascript;
            this.internal.events.subscribe(
                'postPutResources',
                function () {
                    jsNamesObj = this.internal.newObject();
                    this.internal.out('<<');
                    this.internal.out('/Names [(EmbeddedJS) ' + (jsNamesObj + 1) + ' 0 R]');
                    this.internal.out('>>');
                    this.internal.out('endobj');

                    jsJsObj = this.internal.newObject();
                    this.internal.out('<<');
                    this.internal.out('/S /JavaScript');
                    this.internal.out('/JS (' + text + ')');
                    this.internal.out('>>');
                    this.internal.out('endobj');
                }
            );
            this.internal.events.subscribe(
                'putCatalog',
                function () {
                    if (jsNamesObj !== undefined && jsJsObj !== undefined) {
                        this.internal.out('/Names <</JavaScript ' + jsNamesObj + ' 0 R>>');
                    }
                }
            );
            return this;
        };
    }(jsPDF.API));