/*
 * Style File - jQuery plugin for styling file input elements
 *  
 * Copyright (c) 2007-2009 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
 *
 */

(function($) {
    
    $.fn.filestyle = function(options) {
                
        /* TODO: This should not override CSS. */
        var settings = {
            width : 380,
            height: 42
        };
                
        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": "transparent",
                                "display": "inline",
                                "position": "absolute",
                                "overflow": "hidden",
                                "margin" : "0 0 0 7px",
								'background': 'url('+settings.imagemBotao+')'
                            });
                            
            var filename = $('<input class="file">')
                             .addClass($(self).attr("class"))
                             .css({
                                "padding-top": "6px", 
								"padding-left": "10px",
								"color": "#888",
								"font-weight": "bold",
								"font-size": "16px",
                                "display": "inline",
                                "width": settings.width + "px",
                                "height": settings.height + "px",
                                'background': 'url('+settings.imagemProcurar+')'
                             });

            $(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);