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kkallio@8
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1 datatype panelState = Open | Closed
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kkallio@8
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2
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adam@27
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3 con formatCtl = fn ctx :: {Unit} => [[Dyn] ~ ctx] =>
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adam@27
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4 {FormatPanel : xml ([Dyn] ++ ctx) [] []
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adam@27
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5 -> xml ([Dyn] ++ ctx) [] []
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adam@27
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6 -> xml ([Dyn] ++ ctx) [] [],
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adam@27
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7 OpenCtl : transaction unit -> xml ([Dyn] ++ ctx) [] [],
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adam@27
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8 CloseCtl : transaction unit -> xml ([Dyn] ++ ctx) [] []}
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kkallio@8
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9
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adam@27
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10 val defaultFormat [[Dyn] ~ body'] =
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adam@20
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11 {FormatPanel = fn ctl panel => <xml>{ctl}{panel}</xml>,
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adam@20
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12 OpenCtl = fn behaviour => <xml><button value="Open" onclick={behaviour}/></xml>,
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adam@20
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13 CloseCtl = fn behaviour => <xml><button value="Close" onclick={behaviour}/></xml>}
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kkallio@8
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14
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adam@20
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15 con togglePanel t ctx = {PanelState : source panelState,
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adam@20
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16 FormatCtl : formatCtl ctx,
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adam@20
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17 Content : t}
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kkallio@8
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18
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kkallio@8
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19 open Gui
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kkallio@8
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20
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adam@20
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21 fun create [t ::: Type] [ctx ::: {Unit}] (f : formatCtl ctx) (content : t) (startOpen : bool) : transaction (togglePanel t ctx) =
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kkallio@8
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22 state <- source (if startOpen then Open else Closed);
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kkallio@8
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23
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kkallio@8
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24 return {PanelState = state,
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adam@20
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25 FormatCtl = @f,
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kkallio@8
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26 Content = content}
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kkallio@8
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27
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adam@27
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28 fun render [t ::: Type] [ctx ::: {Unit}] (_ : gui t ctx) [[Dyn] ~ ctx] (panel : togglePanel t ctx) =
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kkallio@8
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29 let
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adam@20
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30 val format = panel.FormatCtl !
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adam@20
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31 val openCtl = format.CloseCtl (set panel.PanelState Closed)
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adam@20
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32 val closeCtl = format.OpenCtl (set panel.PanelState Open)
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kkallio@8
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33
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kkallio@8
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34 val content = toXml panel.Content
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kkallio@8
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35 in
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adam@20
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36 format.FormatPanel
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kkallio@8
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37 <xml>
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kkallio@8
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38 <dyn signal={c <- signal panel.PanelState;
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kkallio@8
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39 return
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kkallio@8
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40 (case c of
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kkallio@8
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41 Open => <xml>{openCtl}</xml>
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kkallio@8
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42 | Closed => <xml>{closeCtl}</xml>)
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kkallio@8
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43 }/>
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kkallio@8
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44 </xml>
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kkallio@8
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45
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kkallio@8
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46 <xml>
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kkallio@8
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47 <dyn signal={c <- signal panel.PanelState;
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kkallio@8
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48 return
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kkallio@8
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49 (case c of
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kkallio@8
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50 Open => <xml>{content}</xml>
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kkallio@8
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51 | Closed => <xml/>)
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kkallio@8
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52 }/>
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kkallio@8
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53 </xml>
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kkallio@8
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54 end
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kkallio@8
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55
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adam@20
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56 fun gui_togglePanel [t ::: Type] [ctx ::: {Unit}] (g : gui t ctx) = mkGui (@render g)
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