/*! Parser: filetype - updated 11/10/2015 (v2.24.4) *//*
 * When a file type extension is found, the equivalent name is
 * prefixed into the parsed data, so sorting occurs in groups
 */
/*global jQuery: false */
;(function($) {
	'use strict';

	// basic list from http://en.wikipedia.org/wiki/List_of_file_formats
	// To add a custom equivalent, define:
	// $.tablesorter.fileTypes.equivalents['xx'] = 'A|B|C';
	$.tablesorter.fileTypes = {
		// divides filetype extensions in the equivalent list below
		separator : '|',
		equivalents : {
			'3D Image'     : '3dm|3ds|dwg|max|obj',
			'Audio'        : 'aif|aac|ape|flac|la|m4a|mid|midi|mp2|mp3|ogg|ra|raw|rm|wav|wma',
			'Compressed'   : '7z|bin|cab|cbr|gz|gzip|iso|lha|lz|rar|tar|tgz|zip|zipx|zoo',
			'Database'     : 'csv|dat|db|dbf|json|ldb|mdb|myd|pdb|sql|tsv|wdb|wmdb|xlr|xls|xlsx|xml',
			'Development'  : 'asm|c|class|cls|cpp|cc|cs|cxx|cbp|cs|dba|fla|h|java|lua|pl|py|pyc|pyo|sh|sln|r|rb|vb',
			'Document'     : 'doc|docx|odt|ott|pages|pdf|rtf|tex|wpd|wps|wrd|wri',
			'Executable'   : 'apk|app|com|exe|gadget|lnk|msi',
			'Fonts'        : 'eot|fnt|fon|otf|ttf|woff',
			'Icons'        : 'ani|cur|icns|ico',
			'Images'       : 'bmp|gif|jpg|jpeg|jpe|jp2|pic|png|psd|tga|tif|tiff|wmf|webp',
			'Presentation' : 'pps|ppt',
			'Published'    : 'chp|epub|lit|pub|ppp|fm|mobi',
			'Script'       : 'as|bat|cgi|cmd|jar|js|lua|scpt|scptd|sh|vbs|vb|wsf',
			'Styles'       : 'css|less|sass',
			'Text'         : 'info|log|md|markdown|nfo|tex|text|txt',
			'Vectors'      : 'awg|ai|eps|cdr|ps|svg',
			'Video'        : 'asf|avi|flv|m4v|mkv|mov|mp4|mpe|mpeg|mpg|ogg|rm|rv|swf|vob|wmv',
			'Web'          : 'asp|aspx|cer|cfm|htm|html|php|url|xhtml'
		}
	};

	$.tablesorter.addParser({
		id: 'filetype',
		is: function() {
			return false;
		},
		format: function(s, table) {
			var t,
				c = table.config,
				wo = c.widgetOptions,
				groupSeparator = wo.group_separator || '-',
				i = s.lastIndexOf('.'),
				sep = $.tablesorter.fileTypes.separator,
				m = $.tablesorter.fileTypes.matching,
				types = $.tablesorter.fileTypes.equivalents;
			if (!m) {
				// make a string to 'quick' match the existing equivalents
				t = [];
				$.each(types, function(i, v) {
					t.push(v);
				});
				m = $.tablesorter.fileTypes.matching = sep + t.join(sep) + sep;
			}
			if (i >= 0) {
				t = sep + s.substring(i + 1, s.length) + sep;
				if (m.indexOf(t) >= 0) {
					for (i in types) {
						if ((sep + types[i] + sep).indexOf(t) >= 0) {
							// groupSeparator may use a regular expression!
							return i + ( groupSeparator.toString().charAt(0) !== '/' ? wo.group_separator : '-' ) + s;
						}
					}
				}
			}
			return s;
		},
		type: 'text'
	});

	// sort by file extension
	// converts "this.is.an.image.jpg" into "jpg.this.is.an.image"
	$.tablesorter.addParser({
		id: 'file-extension',
		is: function() {
			return false;
		},
		format: function( str ) {
			var ext,
				parts = str.split( '.' );
			if ( parts.length ) {
				ext = parts.pop();
				parts.unshift( ext );
				return parts.join( '.' );
			}
			return str;
		},
		type: 'text'
	});

})(jQuery);
