put calendar widget into separate file

[webpoll] / widgets.sh

diff --git a/widgets.sh b/widgets.sh
new file mode 100755 (executable)
index 0000000..02f7cb2
--- /dev/null
+++ b/widgets.sh
@@ -0,0 +1,60 @@
+#!/bin/sh
+
+checked(){
+  if [ "$1" = "$2" ] || [ "$1" -eq "$2" ]; then
+    printf 'checked="checked"'
+  fi 2>/dev/null
+}
+selected(){
+  if [ "$1" = "$2" ] || [ "$1" -eq "$2" ]; then
+    printf 'selected="selected"'
+  fi 2>/dev/null
+}
+
+w_month() {
+  local month="$1" selected="$2"
+  local dow dom days n=1 Y m d V w B
+  if [ $month ]; then
+    read Y m d V w B<<-EOF
+       $(date -d "${month}-01" +"%Y %m %d %V %w %B")
+       EOF
+  else
+    read Y m d V w <<-EOF
+       $(date +"%Y %m %d %V %w")
+       EOF
+    month="$Y-$m"
+    V="$((V - d / 7))"
+    [ $V -lt 1 ] && V=$((V + 53))
+  fi
+
+  case $m in
+    0[13578]|10|12)
+      days="1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31";;
+    0[469]|11)
+      days="1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30";;
+    02) if [ $(( Y / 400 )) = 0 ]; then
+        days="1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29";
+      elif [ $(( Y / 100 )) = 0 ]; then
+        days="1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28";
+      elif [ $(( Y /   4 )) = 0 ]; then
+        days="1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29";
+      else
+        days="1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28";
+      fi;;
+  esac
+
+  printf '[table .calendar month=%s [thead
+            [tr .monthname [th colspan=8 . %s]]
+            [tr   .weekday [th][th . %s][th . %s][th . %s][th . %s][th . %s][th . %s][th . %s]]
+          ][tbody
+         ' "$month" "$B $Y" Mo Di Mi Do Fr Sa So
+  for dom in $days; do
+    dow=$(( (w - d + 35 + dom ) % 7))
+    [ $dow = 1 -o $dom = 1 ] && printf '[tr [th .weekno . %i]' $V
+    [ $dom = 1 ] && while [ $n -lt $(( ($dow + 6) % 7 + 1)) ]; do printf '[td ]'; n=$((n + 1)); done
+    printf '[td [label [input type=radio name=date value="%04i-%02i-%02i" %s] %i]]' $Y $m $dom "$(checked $dom $selected)" $dom
+    [ $dow = 0 ] && printf ']\n'
+    [ $dow = 0 ] && V=$(( V % 53 + 1))
+  done
+  printf ']]'
+}