(function () {
  'use strict';

  /* globals jQuery */
  // TODO: Might add support for "exportImage" custom
  //   handler as in "ext-server_opensave.js" (and in savefile.php)

  svgEditor.addExtension('php_savefile', {
    callback: function callback() {
      var $ = jQuery;
      var svgCanvas = svgEditor.canvas;
      function getFileNameFromTitle() {
        var title = svgCanvas.getDocumentTitle();
        return title.trim();
      }
      var saveSvgAction = svgEditor.curConfig.extPath + 'savefile.php';
      svgEditor.setCustomHandlers({
        save: function save(win, data) {
          var svg = '<?xml version="1.0" encoding="UTF-8"?>\n' + data,
              filename = getFileNameFromTitle();

          $.post(saveSvgAction, { output_svg: svg, filename: filename });
        }
      });
    }
  });

}());