From 503565a7be2813fcf8eba25c542b8e21d29c8d1c Mon Sep 17 00:00:00 2001
From: =?utf8?q?Paul=20H=C3=A4nsch?= <paul@plutz.net>
Date: Mon, 16 Jul 2018 20:14:21 +0200
Subject: [PATCH] enabled complete filter reuse

---
 style.css  |  2 ++
 widgets.sh | 41 +++++++++++++++++++++++++++++------------
 2 files changed, 31 insertions(+), 12 deletions(-)

diff --git a/style.css b/style.css
index 05d278f..d735b8b 100644
--- a/style.css
+++ b/style.css
@@ -17,6 +17,8 @@ select {
   border: 1px solid;
   padding: .125em .5em;
 }
+select[multiple] { padding: 0; }
+select[multiple] option { padding: .25em .5em; }
 
 body {
   color: white;
diff --git a/widgets.sh b/widgets.sh
index 81807c0..158df4b 100644
--- a/widgets.sh
+++ b/widgets.sh
@@ -60,6 +60,9 @@ w_index(){
 }
 
 w_advsearch(){
+  local n lbid tag category tn filter f
+  filter="${FILTER}^"
+
   printf '[form #advsearch action=?a=advsearch method=POST
             [a href="#" Hide]
             [p .help Select multiple tags from each category by holding down the [strong Ctrl] key on your keyboard.[br]
@@ -68,31 +71,45 @@ w_advsearch(){
          ' "$w_refuri"
 
   for n in 1 2 3 4 5 6 7 8 9 10; do
+    f="${filter%%^*}"; filter="${filter#*^}"
+
     lbid="$(HTML "cat_${n}_(none)")"
-    printf '[input .and type=checkbox name=and id="and_%i"][label for="and_%i" +and
+    printf '[input .and type=checkbox name=and id="and_%i" %s][label for="and_%i" +and
             ][fieldset .select
-            [input .pol type="radio" name=pol_%i id="pol_pos_%i"][label for=pol_pos_%i Any]
-            [input .pol type="radio" name=pol_%i id="pol_neg_%i"][label for=pol_neg_%i None]
+            [input .pol type="radio" name=pol_%i %s id="pol_pos_%i"][label for=pol_pos_%i Any]
+            [input .pol type="radio" name=pol_%i %s id="pol_neg_%i"][label for=pol_neg_%i None]
             [label .head Category:]
-            [input .cat type=radio name="cat_%i" id="%s" ][label for="%s" %s]
-            [select name=tag_%s size=10 multiple' \
-            $n $n $n $n $n $n $n $n \
-            $n "$lbid" "$lbid" "(none)" $n
+            [input .cat type=radio name="cat_%i" %s id="%s" ][label for="%s" %s]
+            [select name=tag_%s size=10 multiple="multiple"' \
+            $n "$([ "$f" ] && printf 'checked="checked"')" $n \
+            $n "$([ "$f" -a \! "${f%%~*}" ] || printf 'checked="checked"')" $n $n \
+            $n "$([ "$f" -a \! "${f%%~*}" ] && printf 'checked="checked"')" $n $n \
+            $n "$([ "$f" = "${f%:*}" ] && printf 'checked="checked"')" "$lbid" "$lbid" "(none)" \
+            $n
+
+    f="|${f#~}|"
     printf %s "$w_tags" |grep -vF ":" \
     | while read -r tag; do
       [ ! "$tag" ] && continue
-      printf '[option value="%s" %s]' "$(HTML "$tag")" "$(HTML "$tag")"
+      tg="$(HTML "$tag")"
+      printf '[option %s value="%s" %s]' \
+        "$([ "$f" != "${f%|${tag}|*}" ] && printf 'selected="selected"')" \
+        "$tg" "$tg"
     done
     printf ']'
     printf %s "$w_tags" |cut -sd: -f1 |sort -u \
     | while read -r category; do
       lbid="$(HTML "cat_${n}_${category}")"
-      printf '[input .cat type=radio name="cat_%i" id="%s" [label for="%s" %s]]
-              [select name=tag_%s size=10 multiple' $n "$lbid" "$lbid" "$(HTML "$category")" $n
+      printf '[input .cat type=radio name="cat_%i" %s id="%s"][label for="%s" %s]
+              [select name=tag_%s size=10 multiple="multiple"' \
+              $n "$([ "$f" != "${f%|${category}:*}" ] && printf 'checked="checked"')" \
+              "$lbid" "$lbid" "$(HTML "$category")" $n
       printf %s "$w_tags" |grep -wF "${category}" \
       | while read -r tag; do
-        tag="$(HTML "$tag")"; tn="${tag#*&#58;}"
-        printf '[option value="%s" %s]' "$tag" "$tn"
+        tg="$(HTML "$tag")"; tn="${tg#*&#58;}"
+        printf '[option %s value="%s" %s]' \
+          "$([ "$f" != "${f%|${tag}|*}" ] && printf 'selected="selected"')" \
+          "$tg" "$tn"
       done
       printf ']'
     done
-- 
2.39.2