Mercurial > urweb
annotate demo/more/dragList.ur @ 2135:a159625975a7
Allow file directives to contain slashes
Previously, adding a line such as "file /c/foo.css css/foo.css" would
cause the compiler to raise an InvalidArc exception.
| author | Julian Squires <julian@cipht.net> |
|---|---|
| date | Fri, 24 Apr 2015 07:51:47 -0400 |
| parents | e6bc6bbd7a32 |
| children |
| rev | line source |
|---|---|
| adamc@916 | 1 fun draggableList title items = |
| adamc@916 | 2 itemSources <- List.mapM source items; |
| adamc@916 | 3 draggingItem <- source None; |
| adamc@916 | 4 return <xml> |
| adamc@916 | 5 <h2>Great {[title]}</h2> |
| adamc@916 | 6 <ul> |
| adamc@916 | 7 {List.mapX (fn itemSource => <xml> |
| adam@1784 | 8 <li onmousedown={fn _ => set draggingItem (Some itemSource)} |
| adam@1784 | 9 onmouseup={fn _ => set draggingItem None} |
| adam@1784 | 10 onmouseover={fn _ => di <- get draggingItem; |
| adam@1784 | 11 case di of |
| adam@1784 | 12 None => return () |
| adam@1784 | 13 | Some di => original <- get di; |
| adam@1784 | 14 movedOver <- get itemSource; |
| adam@1784 | 15 set di movedOver; |
| adam@1784 | 16 set itemSource original; |
| adam@1784 | 17 set draggingItem (Some itemSource)}> |
| adamc@918 | 18 <dyn signal={Monad.mp cdata (signal itemSource)}/> |
| adamc@916 | 19 </li></xml>) itemSources} |
| adamc@916 | 20 </ul> |
| adamc@916 | 21 </xml> |
| adamc@916 | 22 |
| adamc@916 | 23 fun main () = |
| adamc@916 | 24 bears <- draggableList "Bears" ("Pooh" :: "Paddington" :: "Rupert" :: "Edward" :: []); |
| adamc@916 | 25 beers <- draggableList "Beers" ("Budvar" :: "Delirium Tremens" :: "Deuchars" :: []); |
| adamc@916 | 26 boars <- draggableList "Boars" ("Sus scrofa scrofa" |
| adamc@916 | 27 :: "Sus scrofa ussuricus" |
| adamc@916 | 28 :: "Sus scrofa cristatus" |
| adamc@916 | 29 :: "Sus scrofa taiwanus" :: []); |
| adamc@917 | 30 return <xml> |
| adamc@917 | 31 <head> |
| adamc@917 | 32 <link rel="stylesheet" type="text/css" href="../../dragList.css"/> |
| adamc@917 | 33 </head> |
| adamc@917 | 34 <body> |
| adamc@917 | 35 {bears} |
| adamc@917 | 36 {beers} |
| adamc@917 | 37 {boars} |
| adamc@917 | 38 </body> |
| adamc@917 | 39 </xml> |