Created
February 7, 2016 14:22
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| table server : { Temperature : float, | |
| Uptime: int } | |
| task initialize = fn () => | |
| dml (DELETE FROM server WHERE TRUE); | |
| dml (INSERT INTO server(Temperature, Uptime) VALUES({[0.0]}, {[0]})) | |
| style selected | |
| val main : transaction page = | |
| initial <- oneRow1 (SELECT * FROM server); | |
| temperature <- source initial.Temperature; | |
| uptime <- source initial.Uptime; | |
| seled <- source False; | |
| mode <- source "Temperature"; | |
| return <xml><body> | |
| <ccheckbox source={seled}/> Selected<br/> | |
| <cselect source={mode}> | |
| <coption>Temperature</coption> | |
| <coption>Uptime</coption> | |
| </cselect><br/> | |
| <hr/> | |
| <span dynClass={seled <- signal seled; | |
| return (if seled then selected else null)}> | |
| <dyn signal={mode <- signal mode; | |
| case mode of | |
| "Temperature" => | |
| temperature <- signal temperature; | |
| return <xml>{[temperature]} degrees</xml> | |
| | "Uptime" => | |
| uptime <- signal uptime; | |
| return <xml>{[uptime]} days</xml> | |
| | _ => error <xml>oh dear</xml>}/> | |
| </span> | |
| </body></xml> |
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