%%  Copyright (c) 2012 Marco Daniel
%% 
%%  This package may be distributed under the terms of the LaTeX Project
%%  Public License, as described in lppl.txt in the base LaTeX distribution.
%%  Either version 1.0 or, at your option, any later version.
\ProvidesFile{trad-alpha.bbx}[2012/09/29]

\RequireBibliographyStyle{trad-standard}

\ExecuteBibliographyOptions{%
 maxnames   =  99      , % set the maximum number of authors
 sorting    =  anyt    , % sorting alphlabel-name-title year
 dateabbrev =  false   , % no short form of dates
 abbreviate =  false   ,
 labelalpha =  true    ,
 maxalphanames =  99,
}


\DeclareNameAlias{author}{default}
\DeclareNameAlias{editor}{default}
\DeclareNameAlias{translator}{default}

\DeclareFieldFormat{labelalphawidth}{\mkbibbrackets{#1}}
\DeclareFieldFormat{shorthandwidth}{\mkbibbrackets{#1}}


\defbibenvironment{bibliography}
  {\list
     {\printtext[labelalphawidth]{%
        \printfield{prefixnumber}%
	\printfield{labelalpha}%
        \printfield{extraalpha}}}
     {\setlength{\labelwidth}{\labelalphawidth}%
      \setlength{\leftmargin}{\labelwidth}%
      \setlength{\labelsep}{\biblabelsep}%
      \addtolength{\leftmargin}{\labelsep}%
      \setlength{\itemsep}{\bibitemsep}%
      \setlength{\parsep}{\bibparsep}}%
      \renewcommand*{\makelabel}[1]{##1\hss}}
  {\endlist}
  {\item}

\defbibenvironment{shorthands}
  {\list
     {\printfield[shorthandwidth]{shorthand}}
     {\setlength{\labelwidth}{\shorthandwidth}%
      \setlength{\leftmargin}{\labelwidth}%
      \setlength{\labelsep}{\biblabelsep}%
      \addtolength{\leftmargin}{\labelsep}%
      \setlength{\itemsep}{\bibitemsep}%
      \setlength{\parsep}{\bibparsep}%
      \renewcommand*{\makelabel}[1]{##1\hss}}}
  {\endlist}
  {\item}

\endinput