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Multicounter.hs
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Multicounter.hs
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{-# OPTIONS -XCPP #-}
module Multicounter ( multicounter) where
import Data.Monoid
import Data.String
import Counter(counterWidget)
-- #define ALONE -- to execute it alone, uncomment this
#ifdef ALONE
import MFlow.Wai.Blaze.Html.All
main= runNavigation "" $ transientNav multicounter
#else
import MFlow.Wai.Blaze.Html.All hiding(page)
import Menu
#endif
text= fromString
attr= fromString
multicounter= page . pageFlow "m" $ explain
++> firstOf [autoRefresh $ pageFlow (show i) (counterWidget 0) <++ hr | i <- [1..4]]
**> wlink () << p << "exit"
where
explain= do
p << "This example emulates the"
a ! href (attr "http://www.seaside.st/about/examples/multicounter")
<< " seaside example"
p << "It uses various copies of the " <> a ! href (attr "/noscript/counter") << "counter widget "
text "instantiated in the same page. This is an example of how it is possible to "
text "compose widgets with independent behaviours"