require system.class

#if {![exists -proc class]} { package require oo }
#class browse {}

set _flatten [system pkginst flatten]

proc _addicon {img {hover ""} {class va}} {
	set icon "<img src=$img class=\"$class\" height=21"
	if {$hover ne ""} {
		append icon " alt=\"$hover\" title=\"$hover\""
	}
	append icon ">"
	return $icon
}

proc {dir iconset} {dir} {
	set icons {}
	set attrs {}

	set noflat 0
	if $::_flatten {
		if {[string match {\[*\]} [file tail $dir]]} { set noflat 1 }
		if {[file exists "$dir/.noflatten"]} { set noflat 1 }
		if $noflat { lappend icons \
		    [_addicon "/img/flat-tyre.png" "No-flatten" }
		lappend attrs "noflat=$noflat"
	}

	set autoshrink 0
	if {[file exists "$dir/.autoshrink"]} {
		set autoshrink 1
		lappend icons [_addicon "/img/compress.png" "Auto-shrink"]
		lappend attrs "autoshrink=$autoshrink"
	}

	set autodedup 0
	if {[file exists "$dir/.autodedup"]} {
		set autodedup 1
		lappend icons [_addicon "/img/dedup.png" "Auto-dedup"]
		lappend attrs "autodedup=$autodedup"
	}

	set autodecrypt 0
	if {[file exists "$dir/.autodecrypt"]} {
		set autodecrypt 1
		lappend icons [_addicon "/img/decrypt.png" "Auto-decrypt"]
		lappend attrs "autodecrypt=$autodecrypt"
	}

	return [list $icons $attrs]
}