/*
 * jQuery Rebrush Fileupload plugin 0.1 Beta
 *
 * Copyright (c) 2009 Marc Bonsels
 *
 */

;(function($) {
    $.rebrushfileupload = {
        defaults: {
            button_text: 'Browse...',
            class_container: 'fileupload-rebrush',
            class_field: 'fileupload-rebrush-field',
            class_button: 'fileupload-rebrush-button'
        }
    };

    $.fn.extend({
        rebrushfileupload: function(settings) {
            // Check if user gave us some settings
            settings = $.extend({}, $.rebrushfileupload.defaults, settings);

            // Which attributes should be added to the width of the
            // created elements?
            var _uploadattributes = ["padding-left", "padding-right", "margin-left", "margin-right", "border-left-width", "border-right-width"];

            // Wrap the fileuploadfield with a div for positioning
            $(this).wrap('<div class="rebrush-container ' + settings['class_container'] + '" />');
            var obj_container_div = $(this).parent();

            // Create the new, stylable elements within the new div		
            obj_container_div.prepend('<input type="text" value="" readonly="readonly" class="rebrush-field ' + settings['class_field'] + '" /><input type="button" value="' + settings['button_text'] + '" class="rebrush-button ' + settings['class_button'] + '" />');
            var obj_rebrush_field = obj_container_div.find("input.rebrush-field");
            var obj_rebrush_button = obj_container_div.find("input.rebrush-button");

            // Calculate the real needed width of the container div for positioning
            var wrapperwidth = 0;

            for (var i = 0; i < _uploadattributes.length; i++) {

                    var val_field = Math.round(parseFloat(obj_rebrush_field.css(_uploadattributes[i]) + 0)) + 0;
                    var val_button = Math.round(parseFloat(obj_rebrush_button.css(_uploadattributes[i]) + 0)) + 0;
                    wrapperwidth += (isNaN(val_field) ? 0 : val_field) + (isNaN(val_button) ? 0 : val_button);
            }

            wrapperwidth += Math.round(parseFloat(obj_rebrush_field.width())) + Math.round(parseFloat(obj_rebrush_button.width()));

            // Give the containerdiv the calculated width and hide the original fileupload-field
            obj_container_div.css('width', '520px');

            $(this).css({
                'position': 'absolute',
                'z-index': 9999,
                'font-size': '12px',
                'opacity': '0',
                'right': '85px',
                'top': '0px'
            });

            // Bind the changeevent on the original field and copy its value
            // to the new textfield (which is readonly of course ;-)) everytime
            // the original field is changed
            $(this).change(function() {
                $(this).parent().find("input[type=text].rebrush-field").val($(this).val());
            });
        }
    });
})(jQuery);