Mercurial > urweb
view demo/more/dragList.ur @ 1100:9645e3c2978e
Test case for character code escapes
author | Adam Chlipala <adamc@hcoop.net> |
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date | Tue, 29 Dec 2009 15:03:44 -0500 |
parents | 6a77c3e33908 |
children | e6bc6bbd7a32 |
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fun draggableList title items = itemSources <- List.mapM source items; draggingItem <- source None; return <xml> <h2>Great {[title]}</h2> <ul> {List.mapX (fn itemSource => <xml> <li onmousedown={set draggingItem (Some itemSource)} onmouseup={set draggingItem None} onmouseover={di <- get draggingItem; case di of None => return () | Some di => original <- get di; movedOver <- get itemSource; set di movedOver; set itemSource original; set draggingItem (Some itemSource)}> <dyn signal={Monad.mp cdata (signal itemSource)}/> </li></xml>) itemSources} </ul> </xml> fun main () = bears <- draggableList "Bears" ("Pooh" :: "Paddington" :: "Rupert" :: "Edward" :: []); beers <- draggableList "Beers" ("Budvar" :: "Delirium Tremens" :: "Deuchars" :: []); boars <- draggableList "Boars" ("Sus scrofa scrofa" :: "Sus scrofa ussuricus" :: "Sus scrofa cristatus" :: "Sus scrofa taiwanus" :: []); return <xml> <head> <link rel="stylesheet" type="text/css" href="../../dragList.css"/> </head> <body> {bears} {beers} {boars} </body> </xml>