% $Id: authortitle-comp.cbx,v 0.8e 2009/07/04 15:02:31 lehman beta $

\ProvidesFile{authortitle-comp.cbx}
[\abx@cbxid $Id: authortitle-comp.cbx,v 0.8e 2009/07/04 15:02:31 lehman beta $]

\ExecuteBibliographyOptions{sortcites,autocite=footnote}
\newbool{cbx:parens}

\newbibmacro*{cite:init}{%
  \global\let\cbx@tempa=\empty
  \global\undef\cbx@lasthash}

\newbibmacro*{cite}{%
  \iffieldundef{shorthand}
    {\iffieldequals{namehash}{\cbx@lasthash}
       {\gdef\cbx@tempa{\compcitedelim}}
       {\cbx@tempa
        \ifnameundef{labelname}
          {\global\let\cbx@tempa=\empty}
          {\printnames{labelname}%
           \gdef\cbx@tempa{\addcomma\space}}%
        \savefield{namehash}{\cbx@lasthash}}%
     \usebibmacro{cite:title}}
    {\usebibmacro{cite:shorthand}%
     \usebibmacro{cite:init}}%
  \global\let\cbx@tempa=\multicitedelim}

\newbibmacro*{citetitle}{%
  \iffieldundef{shorthand}
    {\usebibmacro{cite:title}}
    {\usebibmacro{cite:shorthand}}%
  \global\let\cbx@tempa=\multicitedelim}

\newbibmacro*{textcite}{%
  \iffieldequals{namehash}{\cbx@lasthash}
    {\gdef\cbx@tempa{\compcitedelim}}
    {\cbx@tempa
     \ifnameundef{labelname}
       {\global\let\cbx@tempa=\empty}
       {\printnames{labelname}%
        \gdef\cbx@tempa{%
	  \global\booltrue{cbx:parens}%
	  \addspace\bibleftparen}}%
     \savefield{namehash}{\cbx@lasthash}}%
  \iffieldundef{shorthand}
    {\usebibmacro{cite:title}}%
    {\usebibmacro{cite:shorthand}}%
  \gdef\cbx@tempa{%
    \ifbool{cbx:parens}
      {\bibrightparen
       \global\boolfalse{cbx:parens}}
      {}%
    \multicitedelim}}

\newbibmacro*{cite:title}{%
  \cbx@tempa
  \printtext[bibhyperref]{\printfield[citetitle]{labeltitle}}}

\newbibmacro*{cite:shorthand}{%
  \cbx@tempa
  \printtext[bibhyperref]{\printfield{shorthand}}}

\DeclareCiteCommand{\cite}
  {\usebibmacro{cite:init}%
   \usebibmacro{prenote}}
  {\usebibmacro{citeindex}%
   \usebibmacro{cite}}
  {}
  {\usebibmacro{postnote}}

\DeclareCiteCommand*{\cite}
  {\usebibmacro{cite:init}%
   \usebibmacro{prenote}}
  {\usebibmacro{citeindex}%
   \usebibmacro{citetitle}}
  {}
  {\usebibmacro{postnote}}

\DeclareCiteCommand{\parencite}[\mkbibparens]
  {\usebibmacro{cite:init}%
   \usebibmacro{prenote}}
  {\usebibmacro{citeindex}%
   \usebibmacro{cite}}
  {}
  {\usebibmacro{postnote}}

\DeclareCiteCommand*{\parencite}[\mkbibparens]
  {\usebibmacro{cite:init}%
   \usebibmacro{prenote}}
  {\usebibmacro{citeindex}%
   \usebibmacro{citetitle}}
  {}
  {\usebibmacro{postnote}}

\DeclareCiteCommand{\footcite}[\mkbibfootnote]
  {\usebibmacro{cite:init}%
   \usebibmacro{prenote}}
  {\usebibmacro{citeindex}%
   \usebibmacro{cite}}
  {}
  {\usebibmacro{postnote}}

\DeclareCiteCommand{\textcite}
  {\boolfalse{cbx:parens}%
   \usebibmacro{cite:init}%
   \usebibmacro{prenote}}
  {\usebibmacro{citeindex}%
   \usebibmacro{textcite}}
  {}
  {\iffieldundef{postnote}
     {\ifbool{cbx:parens}
        {\bibrightparen}
	{}}
     {\ifbool{cbx:parens}
        {\postnotedelim}
	{\addspace\bibleftparen}%
      \printfield{postnote}\bibrightparen}}

\endinput