Mercurial > gui
annotate popupNav.ur @ 6:f17b869fbb71
Shifting some generic theme navigation menu code to the library.
author | Karn Kallio <kkallio@eka> |
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date | Tue, 26 Apr 2011 20:27:04 -0430 |
parents | |
children | 48a4180171b0 |
rev | line source |
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kkallio@6 | 1 datatype menuState = Open | Closed |
kkallio@6 | 2 |
kkallio@6 | 3 type formatCtl = {FormatMenu : xbody -> xbody -> xbody, |
kkallio@6 | 4 OpenCtl : transaction unit -> xbody, |
kkallio@6 | 5 CloseCtl : transaction unit -> xbody} |
kkallio@6 | 6 |
kkallio@6 | 7 val defaultFormat = {FormatMenu = fn ctl menu => <xml>{ctl}<ul>{menu}</ul></xml>, |
kkallio@6 | 8 OpenCtl = fn behaviour => <xml><button value="Open" onclick={behaviour}/></xml>, |
kkallio@6 | 9 CloseCtl = fn behaviour => <xml><button value="Close" onclick={behaviour}/></xml>} |
kkallio@6 | 10 |
kkallio@6 | 11 open Navbar |
kkallio@6 | 12 |
kkallio@6 | 13 con popupNav t = {MenuState : source menuState, |
kkallio@6 | 14 FormatCtl : formatCtl, |
kkallio@6 | 15 NavBar : navBar t} |
kkallio@6 | 16 |
kkallio@6 | 17 fun create [t ::: Type] (f : formatCtl) (m : mode t) (bar : navBar t) : transaction (popupNav t) = |
kkallio@6 | 18 state <- source Closed; |
kkallio@6 | 19 |
kkallio@6 | 20 return {MenuState = state, |
kkallio@6 | 21 FormatCtl = f, |
kkallio@6 | 22 NavBar = bar} |
kkallio@6 | 23 |
kkallio@6 | 24 fun render [t ::: Type] (m : mode t) (popup : popupNav t) = |
kkallio@6 | 25 popup.FormatCtl.FormatMenu |
kkallio@6 | 26 <xml> |
kkallio@6 | 27 <dyn signal={c <- signal popup.MenuState; |
kkallio@6 | 28 return |
kkallio@6 | 29 (case c of |
kkallio@6 | 30 Open => <xml>{popup.FormatCtl.CloseCtl (set popup.MenuState Closed)}</xml> |
kkallio@6 | 31 | Closed => <xml>{popup.FormatCtl.OpenCtl (set popup.MenuState Open)}</xml>) |
kkallio@6 | 32 }/> |
kkallio@6 | 33 </xml> |
kkallio@6 | 34 |
kkallio@6 | 35 <xml> |
kkallio@6 | 36 <dyn signal={c <- signal popup.MenuState; |
kkallio@6 | 37 return |
kkallio@6 | 38 (case c of |
kkallio@6 | 39 Open => <xml>{navBarToXml popup.NavBar}</xml> |
kkallio@6 | 40 | Closed => <xml/>) |
kkallio@6 | 41 }/> |
kkallio@6 | 42 </xml> |