% \subsubsection{Answers} % \DescribeMacro{\answer}{A math answer} % \begin{macrocode} %<*classXimera> \ifdefined\HCode \newcommand{\recordvariable}[1]{} \else \newwrite\idfile \immediate\openout\idfile=\jobname.ids \newcommand{\recordvariable}[1]{\ifthenelse{\equal{#1}{}}{}{\immediate\write\idfile{var #1;}}} \fi % \end{macrocode} % Determines if answer is shown in handout mode. when |given=true|, % show answer in handout mode, show answer in ``given box'' outside % handout mode. When |given=false|, do not show answer in handout % mode, show answer outside handout mode % \begin{macrocode} \define@key{answer}{given}[true]{\def\ans@given{#1}} % \end{macrocode} % Used for setting numeric answer tolerance for online student input. % \begin{macrocode} \define@key{answer}{tolerance}{\def\ans@tol{#1}} % \end{macrocode} % Used to run dynamic js code on student provided answers. Note: % currently pdf outputs the validator code itself. % \begin{macrocode} \define@key{answer}{validator}{} % \end{macrocode} % Used for assigning a js ID to answer for dynamic code (eg validators). % \begin{macrocode} \define@key{answer}{id}{\def\ans@id{#1}} % \end{macrocode} % Used to set anticipated input format; eg "string". % \begin{macrocode} \define@key{answer}{format}{} % \end{macrocode} % Used to hide the answer input box on the web. % \begin{macrocode} \define@key{answer}{onlinenoinput}[false]{} % \end{macrocode} % Used to add a `show answer' button to the answer blank. % \begin{macrocode} \define@key{answer}{onlineshowanswerbutton}[false]{} % \end{macrocode} % Set default values for |\answer| command |key=value| pairs. % Default values are |given = false|. % \begin{macrocode} \setkeys{answer}{id=,given=false,onlinenoinput=false,onlineshowanswerbutton=false} % \end{macrocode} % Basic code for |\answer|. % \begin{macrocode} % Options for handout \newcommand{\answerFormatLength}{2cm} \newcommand{\answerFormatDots}[1]{\ldots\ldots} \newcommand{\answerFormatLine}[1]{\protect\rule{\answerFormatLength}{0.4pt}} \newcommand{\answerFormatFlexibleLine}[1]{\protect\rule{\widthof{$#1$}*2}{0.4pt}} \newcommand{\answerFormatFlexibleBox}[1]{\fbox{\scalebox{2}{\phantom{$#1$}}}} % options for default (i.e with answers filled in) \newcommand{\answerFormatPlain}[1]{\ensuremath{#1}} \newcommand{\answerFormatBlue}[1]{\color{blue}\ensuremath{#1}} \newcommand{\answerFormatBoxed}[1]{\fbox{\ensuremath{#1}}} \newcommand{\answerFormatBoxedGiven}[1]{\underset{\scriptstyle\mathrm{given}}{\fbox{\ensuremath{#1}}}} % defaults for handout and default mode, and for \answer[given] \let\handoutAnswerFormat\answerFormatDots \let\defaultAnswerFormat\answerFormatBlue \let\givenAnswerFormat\answerFormatBoxedGiven \newcommand{\answer}[2][]{% \ifmmode% \setkeys{answer}{#1}% \recordvariable{\ans@id} \ifthenelse{\boolean{\ans@given}} {% Start then statement \ifhandout #2 \else \givenAnswerFormat{#2} %% in case the argument helps formatting \fi }% End then statement {% Start else statement \ifhandout \handoutAnswerFormat{#2} %% in case the argument helps formatting \else% show answer in box outside handout mode \defaultAnswerFormat{#2} %% in case the argument helps formatting \fi }% End else statement \else% \GenericError{\space\space\space\space}% Throw an error based on... something? -- Jason {Attempt to use \@backslashchar answer outside of math mode} {See https://github.com/ximeraProject/ximeraLatex for explanation.} {Need to use either inline or display math.}% \fi } % % \end{macrocode} % On the HTML side, |\answer| emits spans---but it is usually just % handled directly by MathJax. % \begin{macrocode} %<*htXimera> \renewcommand{\answer}[2][false]{\HCode{}#2\HCode{}} \def\validator[#1]{\stepcounter{identification}\HCode{
}} \def\endvalidator{\HCode{
}} % % \end{macrocode}