Add default file templates for org and LaTeX

config.org

@@ -470,6 +470,12 @@ Radians are just better
 (setq calc-angle-mode 'rad)
 #+END_SRC
 * Language configuration
+*** File Templates
+For some file types, we overwrite defaults in the [[file:./snippets][snippets]] directory, others
+need to have a template assigned.
+#+BEGIN_SRC emacs-lisp
+(set-file-template! "\\.tex$" :trigger "__" :mode 'latex-mode)
+#+END_SRC
 ** Org Mode
 *** Behaviour
 #+BEGIN_SRC emacs-lisp
@@ -952,6 +958,49 @@ Syntax highlighting is nice, so let's turn all of that on
  (ess-fl-keyword:= . t)
  (ess-R-fl-keyword:F&T . t)))
 #+END_SRC
+** LaTeX
+*** Snippet value
+For use in the new-file template, let's set out a nice preamble we may want to use.
+#+NAME: latex-nice-preable
+#+BEGIN_SRC latex :tangle no
+\\usepackage[pdfa,unicode=true,hidelinks]{hyperref}
+
+\\usepackage[dvipsnames,svgnames,table,hyperref]{xcolor}
+\\renewcommand{\\UrlFont}{\\ttfamily\\small}
+
+\\usepackage[a-2b]{pdfx} % why not be archival
+
+\\usepackage[T1]{fontenc}
+\\usepackage[osf,helvratio=0.9]{newpxtext} % pallatino
+\\usepackage[scale=0.92]{sourcecodepro}
+
+\\usepackage[varbb]{newpxmath}
+\\usepackage{mathtools}
+\\usepackage{amssymb}
+
+\\usepackage[activate={true,nocompatibility},final,tracking=true,kerning=true,spacing=true,factor=2000]{microtype}
+% microtype makes text look nicer
+
+\\usepackage{graphicx} % include graphics
+\\usepackage{grffile} % fix allowed graphicx filenames
+
+\\usepackage{booktabs} % nice table rules
+#+END_SRC
+Then let's bind the content to a function, and define some nice helpers.
+#+BEGIN_SRC emacs-lisp :noweb yes
+(setq tec/yas-latex-template-preamble "
+<<latex-nice-preable>>
+")
+
+(defun tec/yas-latex-get-class-choice ()
+  "Prompt user for LaTeX class choice"
+  (setq tec/yas-latex-class-choice (ivy-read "Select document class: " '("article" "scrartcl" "bmc") :def "bmc")))
+
+(defun tec/yas-latex-preamble-if ()
+  "Based on class choice prompt for insertion of default preamble"
+    (if (equal tec/yas-latex-class-choice "bmc") 'nil
+             (eq (read-char-choice "Include default preamble? [Type y/n]" '(?y ?n)) ?y)))
+#+END_SRC
 ** R
 *** Editor Visuals
 #+BEGIN_SRC emacs-lisp

snippets/latex-mode/__

@@ -0,0 +1,16 @@
+# -*- mode: snippet -*-
+# name: LaTeX template                                                                                         
+# --
+\documentclass${1:[${2:opt1,...}]}{`(tec/yas-latex-get-class-choice)`}
+
+\title{${3:`(s-titleized-words (file-name-base buffer-file-name))`}}
+\author{${4:`(user-full-name)`}}
+\date{${5:`(format-time-string "%Y-%m-%d")`}}
+`(if (tec/yas-latex-preamble-if) tec/yas-latex-template-preamble "")`
+\begin{document}
+
+\maketitle
+
+$0
+
+\end{document}

snippets/org-mode/__

@@ -0,0 +1,8 @@
+# -*- mode: snippet -*-
+# name: Org template                        
+# --
+#+TITLE: ${1:`(s-titleized-words (file-name-base buffer-file-name))`}
+#+AUTHOR: ${2:`(user-full-name)`}
+#+DATE: ${3: `(format-time-string "%Y-%m-%d")`}
+
+$0