from django import template
import seminar.models as m

register = template.Library()

@register.filter
def nodeType(value):
	if isinstance(value,RocnikNode): return "Ročník"
	if isinstance(value,CisloNode): return "Číslo"
	if isinstance(value,CastNode): return "Část"
	if isinstance(value,TextNode): return "Text"
	if isinstance(value,TemaVCisleNode): return "Téma v čísle"
	if isinstance(value,KonferaNode): return "Konfera"
	if isinstance(value,ClanekNode): return "Článek"
	if isinstance(value,UlohaVzorakNode): return "Vzorák"
	if isinstance(value,UlohaZadaniNode): return "Zadání úlohy"
	if isinstance(value,PohadkaNode): return "Pohádka"

@register.filter
def isRocnik(value):
	 return isinstance(value, m.RocnikNode)

@register.filter
def isCislo(value):
	 return isinstance(value, m.CisloNode)

@register.filter
def isCast(value):
	 return isinstance(value, m.CastNode)

@register.filter
def isText(value):
	 return isinstance(value, m.TextNode)

@register.filter
def isTemaVCisle(value):
	 return isinstance(value, m.TemaVCisleNode)

@register.filter
def isKonfera(value):
	 return isinstance(value, m.KonferaNode)

@register.filter
def isClanek(value):
	 return isinstance(value, m.ClanekNode)

@register.filter
def isUlohaVzorak(value):
	 return isinstance(value, m.UlohaVzorakNode)

@register.filter
def isUlohaZadani(value):
	 return isinstance(value, m.UlohaZadaniNode)

@register.filter
def isPohadka(value):
	 return isinstance(value, m.PohadkaNode)

#@register.filter
#def isOtisteneReseniNode(value):
#	 return isinstance(value, m.OtisteneReseniNode)