/*
 * 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: upload.js,v 1.1.1.1 2009/10/13 10:37:25 ignar Exp $
 *
 */

(function($) {

    $.fn.filestyle = function(options) {

        /* TODO: This should not override CSS. */
        var settings = {
            width : 250,
            input : true,
            inputChange : null
        };

        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",
                                'margin-left': '8px'
                            });

            $(wrapper).addClass('fileUploadButton');

            if (settings.input){
                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",
                        'z-index':'100'
                    });

            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");
            };

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

            if (settings.inputChange != null){
                $(self).bind("change", function() {
                    $(settings.inputChange).html($(self).val());
                });
            };

        });


    };

})(jQuery);