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#!/usr/bin/env sh
# Description: Open a Drag and drop window, to drop files onto other programs.
# Also provides drag and drop window for files.
#
# Files that are dropped will be added to nnn's selection
# Some webbased files will be downloaded to current directory with curl
# and it may overwrite some existing files
#
# The user has to mm to clear nnn's selection first
#
# Dependency: https://github.com/mwh/dragon
# Shell: POSIX compliant
# Author: 0xACE
selection=${XDG_CONFIG_HOME:-$HOME/.config}/nnn/.selection
resp=f
all=
if which dragon-drag-and-drop >/dev/null 2>&1; then
dnd="dragon-drag-and-drop"
else
dnd="dragon"
fi
add_file ()
{
printf '%s\0' "$@" >> "$selection"
}
use_all ()
{
printf "mark --all (a) [default=none]: "
read -r resp
if [ "$resp" = "a" ]; then
all="--all"
else
all=""
fi
}
if [ -s "$selection" ]; then
printf "Drop file (r). Drag selection (s), Drag current directory (d) or drag current file (f) [default=f]: "
read -r resp
else
printf "Drop file (r). Drag current directory (d) or drag current file (f) [default=f]: "
read -r resp
if [ "$resp" = "s" ]; then
resp=f
fi
fi
if [ "$resp" = "s" ]; then
use_all
sed -z 's|'"$PWD/"'||g' < "$selection" | xargs -0 "$dnd" "$all" &
elif [ "$resp" = "d" ]; then
use_all
"$dnd" "$all" "$PWD/"* &
elif [ "$resp" = "r" ]; then
true > "$selection"
"$dnd" --print-path --target | while read -r f
do
if printf "%s" "$f" | grep '^\(https\?\|ftps\?\|s\?ftp\):\/\/' ; then
curl -LJO "$f"
add_file "$PWD/$(basename "$f")"
elif [ -e "$f" ]; then
add_file "$f"
fi
done &
else
if [ -n "$1" ] && [ -e "$1" ]; then
"$dnd" "$1" &
fi
fi
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