--- /dev/null
+#!/bin/sh
+# Copyright 2015, 2017, 2018, 2021 Paul Hänsch
+#
+# This file is part of Confetti.
+#
+# Confetti is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# Confetti is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with Confetti. If not, see <http://www.gnu.org/licenses/>.
+
+. $_EXEC/pdiread.sh
+. $_EXEC/categories/l10n.sh
+
+catfile="${_DATA}/mappings/categories"
+
+list_categories() {
+ grep -vxE '[ ]*' "$catfile" |sort -u
+}
+
+list_catsel(){
+ local vcf="$1" card="$2" n=1 cats="${BR}"
+ while cats="${cats}${BR}$(pdi_value "$vcf" CATEGORIES $n)"; do n=$((n + 1)); done
+
+ list_categories |while read cat; do
+ printf '[li [label [input %s type="checkbox" name="%s" value="%s"] %s]]' \
+ "$([ "${cats%*${BR}${cat}${BR}*}" != "$cats" ] && printf checked=checked)" \
+ "$(HTML "$card")" "$(HTML "$cat")" "$(HTML "$cat")"
+ done
+}
+
+cat <<EOF |yield_page categories
+[form .categories action="edit_categories.sh" method="POST"
+ [h1 $(l10n categories_label)]
+ [input type="hidden" name="page" value="categories"]
+ [ul
+ $(list_categories | while read cat; do
+ printf '[li . %s [button type="submit" name="remove" value="%s" . %s]]\n' \
+ "$(HTML "$cat")" "$(HTML "$cat")" "$(l10n cat_remove)"
+ done)
+ [li
+ [input type="text" name="newcat" placeholder="$(l10n cat_newlabel)"]
+ [button type="submit" name="add" value="add" . $(l10n cat_add)]
+ ]
+ ]
+]
+
+[form .namelist action="update_categories.sh" method="POST"
+ [fieldset
+ [button type="submit" name="submit" value="submit" . $(l10n cat_update)]
+ ]
+ [ul .namelist
+ $(for vcffile in "$_DATA"/vcard/*vcf; do
+ vcf="$(pdi_load "$vcffile")"
+ printf ' [li [h2 . %s][ul ' "$(pdi_value "$vcf" FN)"
+ list_catsel "$vcf" "${vcffile##*/}"
+ printf ']]\n'
+ done |sort)
+ ]
+ [fieldset
+ [button type="submit" name="submit" value="submit" . $(l10n cat_update)]
+ ]
+]
+EOF