# models.py
class HeaderIcon(CMSPlugin):
    title = models.CharField(_("Tytuł"), max_length=50)
    text = models.TextField(_("Opis"))
    def copy_relations(self, oldinstance):
        self.associated_item.all().delete()
        self.header_item.all().delete()

        for associated_item in oldinstance.associated_item.all():
            # instance.pk = None; instance.pk.save() is the slightly odd but
            # standard Django way of copying a saved model instance
            associated_item.pk = None
            associated_item.plugin = self
            associated_item.save()

        for associated_item in oldinstance.header_item.all():
            # instance.pk = None; instance.pk.save() is the slightly odd but
            # standard Django way of copying a saved model instance
            associated_item.pk = None
            associated_item.plugin = self
            associated_item.save()

class HeaderIconImage(models.Model):
    header = models.ForeignKey(HeaderIcon, related_name="associated_item")
    title = models.CharField(_("Tytuł"), max_length=50)
    url = models.CharField(_("URL"), max_length=50)
    anchor = models.CharField(_("Anchor"), max_length=50)
    image = models.ImageField(_("Grafika"), upload_to=None, height_field=None, width_field=None, max_length=None)
    def __str__(self):
        return self.title
    class Meta:
        verbose_name = "ikona"
        verbose_name_plural = "ikony"

class TileImage(models.Model):
    header = models.ForeignKey(HeaderIcon, related_name="header_item")
    title = models.CharField(_("Tytuł"), max_length=50)
    image = models.ImageField(_("Grafika"), upload_to=None, height_field=None, width_field=None, max_length=None)
    def __str__(self):
        return self.title
    class Meta:
        verbose_name = "kafelek"
        verbose_name_plural = "kafelki"

# Plugins
class HeadersImageAdmin(admin.StackedInline):
    model = HeaderIconImage
    extra = 0
class TileImageAdmin(admin.StackedInline):
    model = TileImage
    extra = 0

@plugin_pool.register_plugin
class HeaderIconPlugin(CMSPluginBase):
    model = HeaderIcon
    name = _("Ikony")
    render_template = "plugins/headers_icon.html"
    cache = False
    inlines = (HeadersImageAdmin, TileImageAdmin)

    def render(self, context, instance, placeholder):
        context = super(HeaderIconPlugin, self).render(context, instance, placeholder)
        items = instance.associated_item.all()
        header_items = instance.header_item.all()
        context.update({
            'items': items,
            'header_items': header_items
        })
        return context