/*
 * Style File - jQuery plugin for styling file input elements
 *  
 * Copyright (c) 2007-2008 Mika Tuupola
 *
 * Licensed under the MIT license:
 *   http://www.opensource.org/licenses/mit-license.php
 *
 * Based on work by Shaun Inman
 *   http://www.shauninman.com/archive/2007/09/10/styling_file_inputs_with_css_and_the_dom
 *
 * Revision: $Id: jquery.filestyle.js 303 2008-01-30 13:53:24Z tuupola $
 *
 */

(function($) {

  $.fn.filestyle = function(options) {

    /* TODO: This should not override CSS. */
    var settings = {
      width: 250
    };

    if (options) {
      $.extend(settings, options);
    };

    return this.each(function() {

      var self = this;
      var wrapper = $("<div>")
                            .css({
                              "width": settings.imagewidth + "px",
                              "height": settings.imageheight + "px",
                              "background": "url(" + settings.image + ") 0 0 no-repeat",
                              "background-position": "right",
                              "display": "inline",
                              "position": "absolute",
                              "overflow": "hidden"
                            });

      var filename = $('<input class="file">')
                             .addClass($(self).attr("class"))
                             .css({
                               "display": "inline",
                               "width": settings.width + "px"
                             });

      $(self).before(filename);
      $(self).wrap(wrapper);

      $(self).css({
        "position": "relative",
        "height": settings.imageheight + "px",
        "width": settings.width + "px",
        "display": "inline",
        "cursor": "pointer",
        "opacity": "0.0"
      });

      if ($.browser.mozilla) {
        if (/Win/.test(navigator.platform)) {
          $(self).css("margin-left", "-142px");
        } else {
          $(self).css("margin-left", "-168px");
        };
      } else {
        $(self).css("margin-left", settings.imagewidth - settings.width + "px");
      };

      $(self).bind("change", function() {
        filename.val($(self).val());
      });

    });


  };

})(jQuery);