From 04b98841de74bdf38e905729a501b34913902db7 Mon Sep 17 00:00:00 2001 From: Adam Chlipala Date: Sat, 19 Sep 2009 13:32:33 -0400 Subject: Grid sorting working --- demo/more/dbgrid.ur | 47 +++++++++++++++++++++++++++++++++-------------- demo/more/dbgrid.urs | 7 +++++-- demo/more/grid.ur | 14 ++++++++++---- demo/more/grid.urs | 3 ++- 4 files changed, 50 insertions(+), 21 deletions(-) (limited to 'demo/more') diff --git a/demo/more/dbgrid.ur b/demo/more/dbgrid.ur index eb30a990..a935e900 100644 --- a/demo/more/dbgrid.ur +++ b/demo/more/dbgrid.ur @@ -11,7 +11,8 @@ con colMeta' = fn (row :: {Type}) (input :: Type) (filter :: Type) => Validate : input -> signal bool, CreateFilter : transaction filter, DisplayFilter : filter -> xbody, - Filter : filter -> $row -> signal bool} + Filter : filter -> $row -> signal bool, + Sort : option ($row -> $row -> bool)} con colMeta = fn (row :: {Type}) (global_input_filter :: (Type * Type * Type)) => {Initialize : transaction global_input_filter.1, @@ -30,7 +31,8 @@ structure Direct = struct Parse : actual_input_filter.2 -> signal (option actual_input_filter.1), CreateFilter : transaction actual_input_filter.3, DisplayFilter : actual_input_filter.3 -> xbody, - Filter : actual_input_filter.3 -> actual_input_filter.1 -> signal bool} + Filter : actual_input_filter.3 -> actual_input_filter.1 -> signal bool, + Sort : actual_input_filter.1 -> actual_input_filter.1 -> bool} datatype metaBoth actual input filter = NonNull of metaBase (actual, input, filter) * metaBase (option actual, input, filter) @@ -58,7 +60,8 @@ structure Direct = struct Validate = fn s => vo <- mr.Parse s; return (Option.isSome vo), CreateFilter = mr.CreateFilter, DisplayFilter = mr.DisplayFilter, - Filter = fn i r => mr.Filter i r.nm} + Filter = fn i r => mr.Filter i r.nm, + Sort = Some (fn r1 r2 => mr.Sort r1.nm r2.nm)} in {Initialize = m.Initialize, Handlers = fn data => case m.Handlers data of @@ -78,7 +81,8 @@ structure Direct = struct Validate = fn _ => return True, CreateFilter = mr.CreateFilter, DisplayFilter = mr.DisplayFilter, - Filter = fn i r => mr.Filter i r.nm} + Filter = fn i r => mr.Filter i r.nm, + Sort = Some (fn r1 r2 => mr.Sort r1.nm r2.nm)} in {Initialize = m.Initialize, Handlers = fn data => case m.Handlers data of @@ -96,7 +100,8 @@ structure Direct = struct CreateFilter : actual_input_filter.3, DisplayFilter : source actual_input_filter.3 -> xbody, Filter : actual_input_filter.3 -> actual_input_filter.1 -> bool, - FilterIsNull : actual_input_filter.3 -> bool} + FilterIsNull : actual_input_filter.3 -> bool, + Sort : actual_input_filter.1 -> actual_input_filter.1 -> bool} con basicState = source con basicFilter = source @@ -113,7 +118,8 @@ structure Direct = struct return (if m.FilterIsNull f then True else - m.Filter f v)}, + m.Filter f v), + Sort = m.Sort}, {Display = fn s => , Edit = m.Edit, Initialize = fn v => source (case v of @@ -134,7 +140,12 @@ structure Direct = struct else case v of None => False - | Some v => m.Filter f v) : signal bool})} + | Some v => m.Filter f v), + Sort = fn x y => + case (x, y) of + (None, _) => True + | (Some x', Some y') => m.Sort x' y' + | _ => False})} fun nullable [global] [actual] [input] [filter] (m : meta (global, actual, input, filter)) = {Initialize = m.Initialize, @@ -158,7 +169,8 @@ structure Direct = struct case read s of None => True | Some n' => n' = n, - FilterIsNull = eq ""} + FilterIsNull = eq "", + Sort = le} type stringGlobal = unit type stringInput = basicState string @@ -176,7 +188,8 @@ structure Direct = struct case read s of None => True | Some n' => n' = n, - FilterIsNull = eq ""} + FilterIsNull = eq "", + Sort = le} type boolGlobal = unit type boolInput = basicState bool @@ -199,7 +212,8 @@ structure Direct = struct "0" => b = False | "1" => b = True | _ => True, - FilterIsNull = eq ""} + FilterIsNull = eq "", + Sort = le} functor Foreign (M : sig con row :: {Type} @@ -207,6 +221,7 @@ structure Direct = struct val show_t : show t val read_t : read t val eq_t : eq t + val ord_t : ord t val inj_t : sql_injectable t con nm :: Name constraint [nm] ~ row @@ -258,7 +273,8 @@ structure Direct = struct Filter = fn s k => s <- signal s; return (case read s : option t of None => True - | Some k' => k' = k)}, + | Some k' => k' = k), + Sort = le}, {Display = fn (_, kr) => case kr of None => NULL | Some (k, r) => {[render ({nm = k} ++ r)]}, @@ -308,7 +324,8 @@ structure Direct = struct Len = String.length s - 1}) : option t of None => True - | Some k => ko = Some k)})} + | Some k => ko = Some k), + Sort = le})} end end @@ -323,7 +340,8 @@ fun computed [row] [t] (_ : show t) name (f : $row -> t) : colMeta row computedS Validate = fn _ => return True, CreateFilter = return (), DisplayFilter = fn _ => , - Filter = fn _ _ => return True}} + Filter = fn _ _ => return True, + Sort = None}} fun computedHtml [row] name (f : $row -> xbody) : colMeta row computedState = {Initialize = return (), Handlers = fn () => {Header = name, @@ -334,7 +352,8 @@ fun computedHtml [row] name (f : $row -> xbody) : colMeta row computedState = Validate = fn _ => return True, CreateFilter = return (), DisplayFilter = fn _ => , - Filter = fn _ _ => return True}} + Filter = fn _ _ => return True, + Sort = None}} functor Make(M : sig con key :: {Type} diff --git a/demo/more/dbgrid.urs b/demo/more/dbgrid.urs index 58c5197a..f241c334 100644 --- a/demo/more/dbgrid.urs +++ b/demo/more/dbgrid.urs @@ -11,7 +11,8 @@ con colMeta' = fn (row :: {Type}) (input :: Type) (filter :: Type) => Validate : input -> signal bool, CreateFilter : transaction filter, DisplayFilter : filter -> xbody, - Filter : filter -> $row -> signal bool} + Filter : filter -> $row -> signal bool, + Sort : option ($row -> $row -> bool)} con colMeta = fn (row :: {Type}) (global_input_filter :: (Type * Type * Type)) => {Initialize : transaction global_input_filter.1, @@ -30,7 +31,8 @@ structure Direct : sig Parse : actual_input_filter.2 -> signal (option actual_input_filter.1), CreateFilter : transaction actual_input_filter.3, DisplayFilter : actual_input_filter.3 -> xbody, - Filter : actual_input_filter.3 -> actual_input_filter.1 -> signal bool} + Filter : actual_input_filter.3 -> actual_input_filter.1 -> signal bool, + Sort : actual_input_filter.1 -> actual_input_filter.1 -> bool} datatype metaBoth actual input filter = NonNull of metaBase (actual, input, filter) * metaBase (option actual, input, filter) @@ -79,6 +81,7 @@ structure Direct : sig val show_t : show t val read_t : read t val eq_t : eq t + val ord_t : ord t val inj_t : sql_injectable t con nm :: Name constraint [nm] ~ row diff --git a/demo/more/grid.ur b/demo/more/grid.ur index 829fead0..7cd16d72 100644 --- a/demo/more/grid.ur +++ b/demo/more/grid.ur @@ -7,7 +7,8 @@ con colMeta' = fn (row :: Type) (input :: Type) (filter :: Type) => Validate : input -> signal bool, CreateFilter : transaction filter, DisplayFilter : filter -> xbody, - Filter : filter -> row -> signal bool} + Filter : filter -> row -> signal bool, + Sort : option (row -> row -> bool)} con colMeta = fn (row :: Type) (global_input_filter :: (Type * Type * Type)) => {Initialize : transaction global_input_filter.1, @@ -101,14 +102,19 @@ functor Make(M : sig rs <- List.mapM (newRow cols) init; Dlist.replace rows rs - fun render grid = + fun render (grid : grid) = - {foldRX2 [fst3] [colMeta M.row] [_] (fn [nm :: Name] [p :: (Type * Type * Type)] [rest :: {(Type * Type * Type)}] [[nm] ~ rest] data (meta : colMeta M.row p) => - ) + ) [_] M.folder grid.Cols M.cols} diff --git a/demo/more/grid.urs b/demo/more/grid.urs index 2ab9fbcc..30cd9bc6 100644 --- a/demo/more/grid.urs +++ b/demo/more/grid.urs @@ -7,7 +7,8 @@ con colMeta' = fn (row :: Type) (input :: Type) (filter :: Type) => Validate : input -> signal bool, CreateFilter : transaction filter, DisplayFilter : filter -> xbody, - Filter : filter -> row -> signal bool} + Filter : filter -> row -> signal bool, + Sort : option (row -> row -> bool)} con colMeta = fn (row :: Type) (global_input_filter :: (Type * Type * Type)) => {Initialize : transaction global_input_filter.1, -- cgit v1.2.3
+ {[(meta.Handlers data).Header]} + {case (meta.Handlers data).Sort of + None => txt (meta.Handlers data).Header + | sort =>