Improve item detail view

- Separate page (permalink) for item details

- Use available space and hide search menu

- Disable item navigation links if there is nothing to go to

- Show notes more prominently and allow to hide them

modules/webapp/src/main/elm/App/Data.elm

@@ -15,6 +15,7 @@ import Http
 import Page exposing (Page(..))
 import Page.CollectiveSettings.Data
 import Page.Home.Data
+import Page.ItemDetail.Data
 import Page.Login.Data
 import Page.ManageData.Data
 import Page.NewInvite.Data
@@ -39,6 +40,7 @@ type alias Model =
     , registerModel : Page.Register.Data.Model
     , uploadModel : Page.Upload.Data.Model
     , newInviteModel : Page.NewInvite.Data.Model
+    , itemDetailModel : Page.ItemDetail.Data.Model
     , navMenuOpen : Bool
     , subs : Sub Msg
     }
@@ -64,6 +66,7 @@ init key url flags =
     , registerModel = Page.Register.Data.emptyModel
     , uploadModel = Page.Upload.Data.emptyModel
     , newInviteModel = Page.NewInvite.Data.emptyModel
+    , itemDetailModel = Page.ItemDetail.Data.emptyModel
     , navMenuOpen = False
     , subs = Sub.none
     }
@@ -82,6 +85,7 @@ type Msg
     | RegisterMsg Page.Register.Data.Msg
     | UploadMsg Page.Upload.Data.Msg
     | NewInviteMsg Page.NewInvite.Data.Msg
+    | ItemDetailMsg Page.ItemDetail.Data.Msg
     | Logout
     | LogoutResp (Result Http.Error ())
     | SessionCheckResp (Result Http.Error AuthResult)

modules/webapp/src/main/elm/App/Update.elm

@@ -13,6 +13,8 @@ import Page.CollectiveSettings.Data
 import Page.CollectiveSettings.Update
 import Page.Home.Data
 import Page.Home.Update
+import Page.ItemDetail.Data
+import Page.ItemDetail.Update
 import Page.Login.Data
 import Page.Login.Update
 import Page.ManageData.Data
@@ -71,6 +73,9 @@ updateWithSub msg model =
         NewInviteMsg m ->
             updateNewInvite m model |> noSub
 
+        ItemDetailMsg m ->
+            updateItemDetail m model |> noSub
+
         VersionResp (Ok info) ->
             ( { model | version = info }, Cmd.none ) |> noSub
 
@@ -170,6 +175,20 @@ updateWithSub msg model =
             ( { model | navMenuOpen = not model.navMenuOpen }, Cmd.none, Sub.none )
 
 
+updateItemDetail : Page.ItemDetail.Data.Msg -> Model -> ( Model, Cmd Msg )
+updateItemDetail lmsg model =
+    let
+        inav =
+            Page.Home.Data.itemNav model.itemDetailModel.detail.item.id model.homeModel
+
+        ( lm, lc ) =
+            Page.ItemDetail.Update.update model.key model.flags inav.next lmsg model.itemDetailModel
+    in
+    ( { model | itemDetailModel = lm }
+    , Cmd.map ItemDetailMsg lc
+    )
+
+
 updateNewInvite : Page.NewInvite.Data.Msg -> Model -> ( Model, Cmd Msg )
 updateNewInvite lmsg model =
     let
@@ -265,7 +284,7 @@ updateHome : Page.Home.Data.Msg -> Model -> ( Model, Cmd Msg )
 updateHome lmsg model =
     let
         ( lm, lc ) =
-            Page.Home.Update.update model.flags lmsg model.homeModel
+            Page.Home.Update.update model.key model.flags lmsg model.homeModel
     in
     ( { model | homeModel = lm }
     , Cmd.map HomeMsg lc
@@ -321,6 +340,9 @@ initPage model page =
         NewInvitePage ->
             updateQueue Page.Queue.Data.StopRefresh model
 
+        ItemDetailPage id ->
+            updateItemDetail (Page.ItemDetail.Data.Init id) model
+
 
 noSub : ( Model, Cmd Msg ) -> ( Model, Cmd Msg, Sub Msg )
 noSub ( m, c ) =

modules/webapp/src/main/elm/App/View.elm

@@ -6,7 +6,9 @@ import Html.Attributes exposing (..)
 import Html.Events exposing (onClick)
 import Page exposing (Page(..))
 import Page.CollectiveSettings.View
+import Page.Home.Data
 import Page.Home.View
+import Page.ItemDetail.View
 import Page.Login.View
 import Page.ManageData.View
 import Page.NewInvite.View
@@ -105,11 +107,23 @@ defaultLayout model =
 
                 NewInvitePage ->
                     viewNewInvite model
+
+                ItemDetailPage id ->
+                    viewItemDetail id model
             ]
         , footer model
         ]
 
 
+viewItemDetail : String -> Model -> Html Msg
+viewItemDetail id model =
+    let
+        inav =
+            Page.Home.Data.itemNav id model.homeModel
+    in
+    Html.map ItemDetailMsg (Page.ItemDetail.View.view inav model.itemDetailModel)
+
+
 viewNewInvite : Model -> Html Msg
 viewNewInvite model =
     Html.map NewInviteMsg (Page.NewInvite.View.view model.flags model.newInviteModel)

modules/webapp/src/main/elm/Comp/ItemDetail.elm

@@ -1,7 +1,6 @@
 module Comp.ItemDetail exposing
     ( Model
     , Msg(..)
-    , UserNav(..)
     , emptyModel
     , update
     , view
@@ -20,6 +19,7 @@ import Api.Model.OptionalText exposing (OptionalText)
 import Api.Model.ReferenceList exposing (ReferenceList)
 import Api.Model.Tag exposing (Tag)
 import Api.Model.TagList exposing (TagList)
+import Browser.Navigation as Nav
 import Comp.DatePicker
 import Comp.Dropdown exposing (isDropdownChangeMsg)
 import Comp.YesNoDimmer
@@ -31,6 +31,7 @@ import Html.Attributes exposing (..)
 import Html.Events exposing (onClick, onInput)
 import Http
 import Markdown
+import Page exposing (Page(..))
 import Util.Maybe
 import Util.Size
 import Util.String
@@ -49,6 +50,7 @@ type alias Model =
     , concEquipModel : Comp.Dropdown.Model IdName
     , nameModel : String
     , notesModel : Maybe String
+    , notesHidden : Bool
     , deleteConfirm : Comp.YesNoDimmer.Model
     , itemDatePicker : DatePicker
     , itemDate : Maybe Int
@@ -76,7 +78,11 @@ emptyModel =
             }
     , directionModel =
         Comp.Dropdown.makeSingleList
-            { makeOption = \entry -> { value = Data.Direction.toString entry, text = Data.Direction.toString entry }
+            { makeOption =
+                \entry ->
+                    { value = Data.Direction.toString entry
+                    , text = Data.Direction.toString entry
+                    }
             , options = Data.Direction.all
             , placeholder = "Choose a direction…"
             , selected = Nothing
@@ -103,6 +109,7 @@ emptyModel =
             }
     , nameModel = ""
     , notesModel = Nothing
+    , notesHidden = False
     , deleteConfirm = Comp.YesNoDimmer.emptyModel
     , itemDatePicker = Comp.DatePicker.emptyModel
     , itemDate = Nothing
@@ -112,26 +119,12 @@ emptyModel =
     }
 
 
-type UserNav
-    = NavBack
-    | NavPrev
-    | NavNext
-    | NavNone
-    | NavNextOrBack
-
-
-noNav : ( Model, Cmd Msg ) -> ( Model, Cmd Msg, UserNav )
-noNav ( model, cmd ) =
-    ( model, cmd, NavNone )
-
-
 type Msg
     = ToggleMenu
     | ReloadItem
     | Init
     | SetItem ItemDetail
     | SetActiveAttachment Int
-    | NavClick UserNav
     | TagDropdownMsg (Comp.Dropdown.Msg Tag)
     | DirDropdownMsg (Comp.Dropdown.Msg Direction)
     | OrgDropdownMsg (Comp.Dropdown.Msg IdName)
@@ -145,6 +138,7 @@ type Msg
     | SetName String
     | SaveName
     | SetNotes String
+    | ToggleNotes
     | SaveNotes
     | ConfirmItem
     | UnconfirmItem
@@ -281,8 +275,8 @@ setDueDate flags model date =
     Api.setItemDueDate flags model.item.id (OptionalDate date) SaveResp
 
 
-update : Flags -> Msg -> Model -> ( Model, Cmd Msg, UserNav )
-update flags msg model =
+update : Nav.Key -> Flags -> Maybe String -> Msg -> Model -> ( Model, Cmd Msg )
+update key flags next msg model =
     case msg of
         Init ->
             let
@@ -295,16 +289,17 @@ update flags msg model =
                 , Cmd.map ItemDatePickerMsg dpc
                 , Cmd.map DueDatePickerMsg dpc
                 ]
-            , NavNone
             )
 
         SetItem item ->
             let
-                ( m1, c1, _ ) =
-                    update flags (TagDropdownMsg (Comp.Dropdown.SetSelection item.tags)) model
+                ( m1, c1 ) =
+                    update key flags next (TagDropdownMsg (Comp.Dropdown.SetSelection item.tags)) model
 
-                ( m2, c2, _ ) =
-                    update flags
+                ( m2, c2 ) =
+                    update key
+                        flags
+                        next
                         (DirDropdownMsg
                             (Comp.Dropdown.SetSelection
                                 (Data.Direction.fromString item.direction
@@ -315,8 +310,10 @@ update flags msg model =
                         )
                         m1
 
-                ( m3, c3, _ ) =
-                    update flags
+                ( m3, c3 ) =
+                    update key
+                        flags
+                        next
                         (OrgDropdownMsg
                             (Comp.Dropdown.SetSelection
                                 (item.corrOrg
@@ -327,8 +324,10 @@ update flags msg model =
                         )
                         m2
 
-                ( m4, c4, _ ) =
-                    update flags
+                ( m4, c4 ) =
+                    update key
+                        flags
+                        next
                         (CorrPersonMsg
                             (Comp.Dropdown.SetSelection
                                 (item.corrPerson
@@ -339,8 +338,10 @@ update flags msg model =
                         )
                         m3
 
-                ( m5, c5, _ ) =
-                    update flags
+                ( m5, c5 ) =
+                    update key
+                        flags
+                        next
                         (ConcPersonMsg
                             (Comp.Dropdown.SetSelection
                                 (item.concPerson
@@ -358,26 +359,28 @@ update flags msg model =
                     else
                         Cmd.none
             in
-            ( { m5 | item = item, nameModel = item.name, notesModel = item.notes, itemDate = item.itemDate, dueDate = item.dueDate }
+            ( { m5
+                | item = item
+                , nameModel = item.name
+                , notesModel = item.notes
+                , itemDate = item.itemDate
+                , dueDate = item.dueDate
+              }
             , Cmd.batch [ c1, c2, c3, c4, c5, getOptions flags, proposalCmd ]
             )
-                |> noNav
 
         SetActiveAttachment pos ->
-            ( { model | visibleAttach = pos }, Cmd.none, NavNone )
-
-        NavClick nav ->
-            ( model, Cmd.none, nav )
+            ( { model | visibleAttach = pos }, Cmd.none )
 
         ToggleMenu ->
-            ( { model | menuOpen = not model.menuOpen }, Cmd.none, NavNone )
+            ( { model | menuOpen = not model.menuOpen }, Cmd.none )
 
         ReloadItem ->
             if model.item.id == "" then
-                ( model, Cmd.none, NavNone )
+                ( model, Cmd.none )
 
             else
-                ( model, Api.itemDetail flags model.item.id GetItemResp, NavNone )
+                ( model, Api.itemDetail flags model.item.id GetItemResp )
 
         TagDropdownMsg m ->
             let
@@ -394,7 +397,7 @@ update flags msg model =
                     else
                         Cmd.none
             in
-            ( newModel, Cmd.batch [ save, Cmd.map TagDropdownMsg c2 ], NavNone )
+            ( newModel, Cmd.batch [ save, Cmd.map TagDropdownMsg c2 ] )
 
         DirDropdownMsg m ->
             let
@@ -411,7 +414,7 @@ update flags msg model =
                     else
                         Cmd.none
             in
-            ( newModel, Cmd.batch [ save, Cmd.map DirDropdownMsg c2 ] ) |> noNav
+            ( newModel, Cmd.batch [ save, Cmd.map DirDropdownMsg c2 ] )
 
         OrgDropdownMsg m ->
             let
@@ -431,7 +434,7 @@ update flags msg model =
                     else
                         Cmd.none
             in
-            ( newModel, Cmd.batch [ save, Cmd.map OrgDropdownMsg c2 ] ) |> noNav
+            ( newModel, Cmd.batch [ save, Cmd.map OrgDropdownMsg c2 ] )
 
         CorrPersonMsg m ->
             let
@@ -451,7 +454,7 @@ update flags msg model =
                     else
                         Cmd.none
             in
-            ( newModel, Cmd.batch [ save, Cmd.map CorrPersonMsg c2 ] ) |> noNav
+            ( newModel, Cmd.batch [ save, Cmd.map CorrPersonMsg c2 ] )
 
         ConcPersonMsg m ->
             let
@@ -471,7 +474,7 @@ update flags msg model =
                     else
                         Cmd.none
             in
-            ( newModel, Cmd.batch [ save, Cmd.map ConcPersonMsg c2 ] ) |> noNav
+            ( newModel, Cmd.batch [ save, Cmd.map ConcPersonMsg c2 ] )
 
         ConcEquipMsg m ->
             let
@@ -491,13 +494,13 @@ update flags msg model =
                     else
                         Cmd.none
             in
-            ( newModel, Cmd.batch [ save, Cmd.map ConcEquipMsg c2 ] ) |> noNav
+            ( newModel, Cmd.batch [ save, Cmd.map ConcEquipMsg c2 ] )
 
         SetName str ->
-            ( { model | nameModel = str }, Cmd.none ) |> noNav
+            ( { model | nameModel = str }, Cmd.none )
 
         SaveName ->
-            ( model, setName flags model ) |> noNav
+            ( model, setName flags model )
 
         SetNotes str ->
             ( { model
@@ -510,16 +513,20 @@ update flags msg model =
               }
             , Cmd.none
             )
-                |> noNav
+
+        ToggleNotes ->
+            ( { model | notesHidden = not model.notesHidden }
+            , Cmd.none
+            )
 
         SaveNotes ->
-            ( model, setNotes flags model ) |> noNav
+            ( model, setNotes flags model )
 
         ConfirmItem ->
-            ( model, Api.setConfirmed flags model.item.id SaveResp ) |> noNav
+            ( model, Api.setConfirmed flags model.item.id SaveResp )
 
         UnconfirmItem ->
-            ( model, Api.setUnconfirmed flags model.item.id SaveResp ) |> noNav
+            ( model, Api.setUnconfirmed flags model.item.id SaveResp )
 
         ItemDatePickerMsg m ->
             let
@@ -532,13 +539,13 @@ update flags msg model =
                         newModel =
                             { model | itemDatePicker = dp, itemDate = Just (Comp.DatePicker.midOfDay date) }
                     in
-                    ( newModel, setDate flags newModel newModel.itemDate ) |> noNav
+                    ( newModel, setDate flags newModel newModel.itemDate )
 
                 _ ->
-                    ( { model | itemDatePicker = dp }, Cmd.none ) |> noNav
+                    ( { model | itemDatePicker = dp }, Cmd.none )
 
         RemoveDate ->
-            ( { model | itemDate = Nothing }, setDate flags model Nothing ) |> noNav
+            ( { model | itemDate = Nothing }, setDate flags model Nothing )
 
         DueDatePickerMsg m ->
             let
@@ -551,13 +558,13 @@ update flags msg model =
                         newModel =
                             { model | dueDatePicker = dp, dueDate = Just (Comp.DatePicker.midOfDay date) }
                     in
-                    ( newModel, setDueDate flags newModel newModel.dueDate ) |> noNav
+                    ( newModel, setDueDate flags newModel newModel.dueDate )
 
                 _ ->
-                    ( { model | dueDatePicker = dp }, Cmd.none ) |> noNav
+                    ( { model | dueDatePicker = dp }, Cmd.none )
 
         RemoveDueDate ->
-            ( { model | dueDate = Nothing }, setDueDate flags model Nothing ) |> noNav
+            ( { model | dueDate = Nothing }, setDueDate flags model Nothing )
 
         YesNoMsg m ->
             let
@@ -571,67 +578,67 @@ update flags msg model =
                     else
                         Cmd.none
             in
-            ( { model | deleteConfirm = cm }, cmd ) |> noNav
+            ( { model | deleteConfirm = cm }, cmd )
 
         RequestDelete ->
-            update flags (YesNoMsg Comp.YesNoDimmer.activate) model
+            update key flags next (YesNoMsg Comp.YesNoDimmer.activate) model
 
         SetCorrOrgSuggestion idname ->
-            ( model, setCorrOrg flags model (Just idname) ) |> noNav
+            ( model, setCorrOrg flags model (Just idname) )
 
         SetCorrPersonSuggestion idname ->
-            ( model, setCorrPerson flags model (Just idname) ) |> noNav
+            ( model, setCorrPerson flags model (Just idname) )
 
         SetConcPersonSuggestion idname ->
-            ( model, setConcPerson flags model (Just idname) ) |> noNav
+            ( model, setConcPerson flags model (Just idname) )
 
         SetConcEquipSuggestion idname ->
-            ( model, setConcEquip flags model (Just idname) ) |> noNav
+            ( model, setConcEquip flags model (Just idname) )
 
         SetItemDateSuggestion date ->
-            ( model, setDate flags model (Just date) ) |> noNav
+            ( model, setDate flags model (Just date) )
 
         SetDueDateSuggestion date ->
-            ( model, setDueDate flags model (Just date) ) |> noNav
+            ( model, setDueDate flags model (Just date) )
 
         GetTagsResp (Ok tags) ->
             let
                 tagList =
                     Comp.Dropdown.SetOptions tags.items
 
-                ( m1, c1, _ ) =
-                    update flags (TagDropdownMsg tagList) model
+                ( m1, c1 ) =
+                    update key flags next (TagDropdownMsg tagList) model
             in
-            ( m1, c1 ) |> noNav
+            ( m1, c1 )
 
         GetTagsResp (Err _) ->
-            ( model, Cmd.none ) |> noNav
+            ( model, Cmd.none )
 
         GetOrgResp (Ok orgs) ->
             let
                 opts =
                     Comp.Dropdown.SetOptions orgs.items
             in
-            update flags (OrgDropdownMsg opts) model
+            update key flags next (OrgDropdownMsg opts) model
 
         GetOrgResp (Err _) ->
-            ( model, Cmd.none ) |> noNav
+            ( model, Cmd.none )
 
         GetPersonResp (Ok ps) ->
             let
                 opts =
                     Comp.Dropdown.SetOptions ps.items
 
-                ( m1, c1, _ ) =
-                    update flags (CorrPersonMsg opts) model
+                ( m1, c1 ) =
+                    update key flags next (CorrPersonMsg opts) model
 
-                ( m2, c2, _ ) =
-                    update flags (ConcPersonMsg opts) m1
+                ( m2, c2 ) =
+                    update key flags next (ConcPersonMsg opts) m1
             in
-            ( m2, Cmd.batch [ c1, c2 ] ) |> noNav
+            ( m2, Cmd.batch [ c1, c2 ] )
 
         GetPersonResp (Err _) ->
-            ( model, Cmd.none ) |> noNav
+            ( model, Cmd.none )
 
         GetEquipResp (Ok equips) ->
             let
@@ -641,42 +648,47 @@ update flags msg model =
                             equips.items
                         )
             in
-            update flags (ConcEquipMsg opts) model
+            update key flags next (ConcEquipMsg opts) model
 
         GetEquipResp (Err _) ->
-            ( model, Cmd.none ) |> noNav
+            ( model, Cmd.none )
 
         SaveResp (Ok res) ->
             if res.success then
-                ( model, Api.itemDetail flags model.item.id GetItemResp ) |> noNav
+                ( model, Api.itemDetail flags model.item.id GetItemResp )
 
             else
-                ( model, Cmd.none ) |> noNav
+                ( model, Cmd.none )
 
         SaveResp (Err _) ->
-            ( model, Cmd.none ) |> noNav
+            ( model, Cmd.none )
 
         DeleteResp (Ok res) ->
             if res.success then
-                ( model, Cmd.none, NavNextOrBack )
+                case next of
+                    Just id ->
+                        ( model, Page.set key (ItemDetailPage id) )
+
+                    Nothing ->
+                        ( model, Page.set key HomePage )
 
             else
-                ( model, Cmd.none ) |> noNav
+                ( model, Cmd.none )
 
         DeleteResp (Err _) ->
-            ( model, Cmd.none ) |> noNav
+            ( model, Cmd.none )
 
         GetItemResp (Ok item) ->
-            update flags (SetItem item) model
+            update key flags next (SetItem item) model
 
         GetItemResp (Err _) ->
-            ( model, Cmd.none ) |> noNav
+            ( model, Cmd.none )
 
         GetProposalResp (Ok ip) ->
-            ( { model | itemProposals = ip }, Cmd.none ) |> noNav
+            ( { model | itemProposals = ip }, Cmd.none )
 
         GetProposalResp (Err _) ->
-            ( model, Cmd.none ) |> noNav
+            ( model, Cmd.none )
 
 
 
@@ -692,21 +704,38 @@ actionInputDatePicker =
     { ds | containerClassList = [ ( "ui action input", True ) ] }
 
 
-view : Model -> Html Msg
-view model =
+view : { prev : Maybe String, next : Maybe String } -> Model -> Html Msg
+view inav model =
     div []
-        [ div
+        [ renderItemInfo model
+        , div
             [ classList
                 [ ( "ui ablue-comp menu", True )
                 ]
             ]
-            [ a [ class "item", href "", onClick (NavClick NavBack) ]
+            [ a [ class "item", Page.href HomePage ]
                 [ i [ class "arrow left icon" ] []
                 ]
-            , a [ class "item", href "", onClick (NavClick NavPrev) ]
+            , a
+                [ classList
+                    [ ( "item", True )
+                    , ( "disabled", inav.prev == Nothing )
+                    ]
+                , Maybe.map ItemDetailPage inav.prev
+                    |> Maybe.map Page.href
+                    |> Maybe.withDefault (href "#")
+                ]
                 [ i [ class "caret square left outline icon" ] []
                 ]
-            , a [ class "item", href "", onClick (NavClick NavNext) ]
+            , a
+                [ classList
+                    [ ( "item", True )
+                    , ( "disabled", inav.next == Nothing )
+                    ]
+                , Maybe.map ItemDetailPage inav.next
+                    |> Maybe.map Page.href
+                    |> Maybe.withDefault (href "#")
+                ]
                 [ i [ class "caret square right outline icon" ] []
                 ]
             , a
@@ -722,9 +751,10 @@ view model =
                 ]
             ]
         , div [ class "ui grid" ]
-            [ div
+            [ Html.map YesNoMsg (Comp.YesNoDimmer.view model.deleteConfirm)
+            , div
                 [ classList
-                    [ ( "six wide column", True )
+                    [ ( "four wide column", True )
                     , ( "invisible", not model.menuOpen )
                     ]
                 ]
@@ -736,17 +766,17 @@ view model =
                 )
             , div
                 [ classList
-                    [ ( "ten", model.menuOpen )
+                    [ ( "twelve", model.menuOpen )
                     , ( "sixteen", not model.menuOpen )
                     , ( "wide column", True )
                     ]
                 ]
               <|
                 List.concat
-                    [ [ renderItemInfo model ]
-                    , [ renderAttachmentsTabMenu model ]
+                    [ renderNotes model
+                    , [ renderAttachmentsTabMenu model
+                      ]
                     , renderAttachmentsTabBody model
-                    , renderNotes model
                     , renderIdInfo model
                     ]
             ]
@@ -776,11 +806,31 @@ renderNotes model =
             []
 
         Just str ->
-            [ h3 [ class "ui header" ]
-                [ text "Notes"
+            if model.notesHidden then
+                [ div [ class "ui segment" ]
+                    [ a
+                        [ class "ui top left attached label"
+                        , onClick ToggleNotes
+                        , href "#"
+                        ]
+                        [ i [ class "eye icon" ] []
+                        , text "Show notes…"
+                        ]
+                    ]
+                ]
+
+            else
+                [ div [ class "ui segment" ]
+                    [ Markdown.toHtml [ class "item-notes" ] str
+                    , a
+                        [ class "ui right corner label"
+                        , onClick ToggleNotes
+                        , href "#"
+                        ]
+                        [ i [ class "delete icon" ] []
+                        ]
+                    ]
                 ]
-            , Markdown.toHtml [ class "item-notes" ] str
-            ]
 
 
 renderAttachmentsTabMenu : Model -> Html Msg
@@ -829,12 +879,6 @@ renderAttachmentsTabBody model =
 renderItemInfo : Model -> Html Msg
 renderItemInfo model =
     let
-        name =
-            div [ class "item" ]
-                [ i [ class (Data.Direction.iconFromString model.item.direction) ] []
-                , text model.item.name
-                ]
-
         date =
             div [ class "item" ]
                 [ Maybe.withDefault model.item.created model.item.itemDate
@@ -876,7 +920,7 @@ renderItemInfo model =
                 ]
     in
     div [ class "ui fluid container" ]
-        ([ h2 [ class "ui header" ]
+        (h2 [ class "ui header" ]
             [ i [ class (Data.Direction.iconFromString model.item.direction) ] []
             , div [ class "content" ]
                 [ text model.item.name
@@ -905,8 +949,7 @@ renderItemInfo model =
                     ]
                 ]
             ]
-         ]
-            ++ renderTags model
+            :: renderTags model
         )
 
 
@@ -973,8 +1016,7 @@ renderEditButtons model =
 renderEditForm : Model -> Html Msg
 renderEditForm model =
     div [ class "ui attached segment" ]
-        [ Html.map YesNoMsg (Comp.YesNoDimmer.view model.deleteConfirm)
-        , div [ class "ui form" ]
+        [ div [ class "ui form" ]
             [ div [ class "field" ]
                 [ label []
                     [ i [ class "tags icon" ] []
@@ -986,7 +1028,12 @@ renderEditForm model =
                 [ label [] [ text "Name" ]
                 , div [ class "ui action input" ]
                     [ input [ type_ "text", value model.nameModel, onInput SetName ] []
-                    , button [ class "ui icon button", onClick SaveName ] [ i [ class "save outline icon" ] [] ]
+                    , button
+                        [ class "ui icon button"
+                        , onClick SaveName
+                        ]
+                        [ i [ class "save outline icon" ] []
+                        ]
                     ]
                 ]
             , div [ class "field" ]
@@ -996,7 +1043,12 @@ renderEditForm model =
             , div [ class " field" ]
                 [ label [] [ text "Date" ]
                 , div [ class "ui action input" ]
-                    [ Html.map ItemDatePickerMsg (Comp.DatePicker.viewTime model.itemDate actionInputDatePicker model.itemDatePicker)
+                    [ Html.map ItemDatePickerMsg
+                        (Comp.DatePicker.viewTime
+                            model.itemDate
+                            actionInputDatePicker
+                            model.itemDatePicker
+                        )
                     , a [ class "ui icon button", href "", onClick RemoveDate ]
                         [ i [ class "trash alternate outline icon" ] []
                         ]
@@ -1006,7 +1058,12 @@ renderEditForm model =
             , div [ class " field" ]
                 [ label [] [ text "Due Date" ]
                 , div [ class "ui action input" ]
-                    [ Html.map DueDatePickerMsg (Comp.DatePicker.viewTime model.dueDate actionInputDatePicker model.dueDatePicker)
+                    [ Html.map DueDatePickerMsg
+                        (Comp.DatePicker.viewTime
+                            model.dueDate
+                            actionInputDatePicker
+                            model.dueDatePicker
+                        )
                     , a [ class "ui icon button", href "", onClick RemoveDueDate ]
                         [ i [ class "trash alternate outline icon" ] [] ]
                     ]

modules/webapp/src/main/elm/Page.elm

@@ -10,6 +10,7 @@ module Page exposing
     , pageFromString
     , pageName
     , pageToString
+    , set
     , uploadId
     )
 
@@ -31,6 +32,7 @@ type Page
     | RegisterPage
     | UploadPage (Maybe String)
     | NewInvitePage
+    | ItemDetailPage String
 
 
 isSecured : Page -> Bool
@@ -63,6 +65,9 @@ isSecured page =
         UploadPage arg ->
             Util.Maybe.isEmpty arg
 
+        ItemDetailPage _ ->
+            True
+
 
 isOpen : Page -> Bool
 isOpen page =
@@ -114,6 +119,9 @@ pageName page =
                 Nothing ->
                     "Upload"
 
+        ItemDetailPage _ ->
+            "Item"
+
 
 loginPageReferrer : Page -> Maybe Page
 loginPageReferrer page =
@@ -169,6 +177,9 @@ pageToString page =
         NewInvitePage ->
             "/app/newinvite"
 
+        ItemDetailPage id ->
+            "/app/item/" ++ id
+
 
 pageFromString : String -> Maybe Page
 pageFromString str =
@@ -191,6 +202,11 @@ href page =
     Attr.href (pageToString page)
 
 
+set : Nav.Key -> Page -> Cmd msg
+set key page =
+    Nav.pushUrl key (pageToString page)
+
+
 goto : Page -> Cmd msg
 goto page =
     Nav.load (pageToString page)
@@ -215,6 +231,7 @@ parser =
         , Parser.map (\s -> UploadPage (Just s)) (s pathPrefix </> s "upload" </> string)
         , Parser.map (UploadPage Nothing) (s pathPrefix </> s "upload")
         , Parser.map NewInvitePage (s pathPrefix </> s "newinvite")
+        , Parser.map ItemDetailPage (s pathPrefix </> s "item" </> string)
         ]
 
 

modules/webapp/src/main/elm/Page/Home/Data.elm

@@ -3,11 +3,11 @@ module Page.Home.Data exposing
     , Msg(..)
     , ViewMode(..)
     , emptyModel
+    , itemNav
     )
 
 import Api.Model.ItemDetail exposing (ItemDetail)
 import Api.Model.ItemLightList exposing (ItemLightList)
-import Comp.ItemDetail
 import Comp.ItemList
 import Comp.SearchMenu
 import Http
@@ -17,7 +17,6 @@ type alias Model =
     { searchMenuModel : Comp.SearchMenu.Model
     , itemListModel : Comp.ItemList.Model
     , searchInProgress : Bool
-    , itemDetailModel : Comp.ItemDetail.Model
     , viewMode : ViewMode
     }
 
@@ -26,7 +25,6 @@ emptyModel : Model
 emptyModel =
     { searchMenuModel = Comp.SearchMenu.emptyModel
     , itemListModel = Comp.ItemList.emptyModel
-    , itemDetailModel = Comp.ItemDetail.emptyModel
     , searchInProgress = False
     , viewMode = Listing
     }
@@ -38,10 +36,22 @@ type Msg
     | ItemListMsg Comp.ItemList.Msg
     | ItemSearchResp (Result Http.Error ItemLightList)
     | DoSearch
-    | ItemDetailMsg Comp.ItemDetail.Msg
-    | ItemDetailResp (Result Http.Error ItemDetail)
 
 
 type ViewMode
     = Listing
     | Detail
+
+
+itemNav : String -> Model -> { prev : Maybe String, next : Maybe String }
+itemNav id model =
+    let
+        prev =
+            Comp.ItemList.prevItem model.itemListModel id
+
+        next =
+            Comp.ItemList.nextItem model.itemListModel id
+    in
+    { prev = Maybe.map .id prev
+    , next = Maybe.map .id next
+    }

modules/webapp/src/main/elm/Page/Home/Update.elm

@@ -1,21 +1,22 @@
 module Page.Home.Update exposing (update)
 
 import Api
+import Browser.Navigation as Nav
 import Comp.ItemDetail
 import Comp.ItemList
 import Comp.SearchMenu
 import Data.Flags exposing (Flags)
+import Page exposing (Page(..))
 import Page.Home.Data exposing (..)
 import Util.Update
 
 
-update : Flags -> Msg -> Model -> ( Model, Cmd Msg )
-update flags msg model =
+update : Nav.Key -> Flags -> Msg -> Model -> ( Model, Cmd Msg )
+update key flags msg model =
     case msg of
         Init ->
             Util.Update.andThen1
-                [ update flags (SearchMenuMsg Comp.SearchMenu.Init)
-                , update flags (ItemDetailMsg Comp.ItemDetail.Init)
+                [ update key flags (SearchMenuMsg Comp.SearchMenu.Init)
                 , doSearch flags
                 ]
                 model
@@ -45,7 +46,7 @@ update flags msg model =
                 cmd =
                     case mitem of
                         Just item ->
-                            Api.itemDetail flags item.id ItemDetailResp
+                            Page.set key (ItemDetailPage item.id)
 
                         Nothing ->
                             Cmd.none
@@ -57,7 +58,7 @@ update flags msg model =
                 m =
                     { model | searchInProgress = False, viewMode = Listing }
             in
-            update flags (ItemListMsg (Comp.ItemList.SetResults list)) m
+            update key flags (ItemListMsg (Comp.ItemList.SetResults list)) m
 
         ItemSearchResp (Err _) ->
             ( { model | searchInProgress = False }, Cmd.none )
@@ -65,58 +66,6 @@ update flags msg model =
         DoSearch ->
             doSearch flags model
 
-        ItemDetailMsg m ->
-            let
-                ( m2, c2, nav ) =
-                    Comp.ItemDetail.update flags m model.itemDetailModel
-
-                newModel =
-                    { model | itemDetailModel = m2 }
-
-                newCmd =
-                    Cmd.map ItemDetailMsg c2
-            in
-            case nav of
-                Comp.ItemDetail.NavBack ->
-                    doSearch flags newModel
-
-                Comp.ItemDetail.NavPrev ->
-                    case Comp.ItemList.prevItem model.itemListModel m2.item.id of
-                        Just n ->
-                            ( newModel, Cmd.batch [ newCmd, Api.itemDetail flags n.id ItemDetailResp ] )
-
-                        Nothing ->
-                            ( newModel, newCmd )
-
-                Comp.ItemDetail.NavNext ->
-                    case Comp.ItemList.nextItem model.itemListModel m2.item.id of
-                        Just n ->
-                            ( newModel, Cmd.batch [ newCmd, Api.itemDetail flags n.id ItemDetailResp ] )
-
-                        Nothing ->
-                            ( newModel, newCmd )
-
-                Comp.ItemDetail.NavNextOrBack ->
-                    case Comp.ItemList.nextItem model.itemListModel m2.item.id of
-                        Just n ->
-                            ( newModel, Cmd.batch [ newCmd, Api.itemDetail flags n.id ItemDetailResp ] )
-
-                        Nothing ->
-                            doSearch flags newModel
-
-                Comp.ItemDetail.NavNone ->
-                    ( newModel, newCmd )
-
-        ItemDetailResp (Ok item) ->
-            let
-                m =
-                    { model | viewMode = Detail }
-            in
-            update flags (ItemDetailMsg (Comp.ItemDetail.SetItem item)) m
-
-        ItemDetailResp (Err _) ->
-            ( model, Cmd.none )
-
 
 doSearch : Flags -> Model -> ( Model, Cmd Msg )
 doSearch flags model =

modules/webapp/src/main/elm/Page/Home/View.elm

@@ -42,7 +42,7 @@ view model =
                         Html.map ItemListMsg (Comp.ItemList.view model.itemListModel)
 
                 Detail ->
-                    Html.map ItemDetailMsg (Comp.ItemDetail.view model.itemDetailModel)
+                    div [] []
             ]
         ]
 

modules/webapp/src/main/elm/Page/ItemDetail/Data.elm

@@ -0,0 +1,22 @@
+module Page.ItemDetail.Data exposing (Model, Msg(..), emptyModel)
+
+import Api.Model.ItemDetail exposing (ItemDetail)
+import Comp.ItemDetail
+import Http
+
+
+type alias Model =
+    { detail : Comp.ItemDetail.Model
+    }
+
+
+emptyModel : Model
+emptyModel =
+    { detail = Comp.ItemDetail.emptyModel
+    }
+
+
+type Msg
+    = Init String
+    | ItemDetailMsg Comp.ItemDetail.Msg
+    | ItemResp (Result Http.Error ItemDetail)

modules/webapp/src/main/elm/Page/ItemDetail/Update.elm

@@ -0,0 +1,39 @@
+module Page.ItemDetail.Update exposing (update)
+
+import Api
+import Browser.Navigation as Nav
+import Comp.ItemDetail
+import Data.Flags exposing (Flags)
+import Page.ItemDetail.Data exposing (Model, Msg(..))
+
+
+update : Nav.Key -> Flags -> Maybe String -> Msg -> Model -> ( Model, Cmd Msg )
+update key flags next msg model =
+    case msg of
+        Init id ->
+            let
+                ( lm, lc ) =
+                    Comp.ItemDetail.update key flags next Comp.ItemDetail.Init model.detail
+            in
+            ( { model | detail = lm }
+            , Cmd.batch [ Api.itemDetail flags id ItemResp, Cmd.map ItemDetailMsg lc ]
+            )
+
+        ItemDetailMsg lmsg ->
+            let
+                ( lm, lc ) =
+                    Comp.ItemDetail.update key flags next lmsg model.detail
+            in
+            ( { model | detail = lm }
+            , Cmd.map ItemDetailMsg lc
+            )
+
+        ItemResp (Ok item) ->
+            let
+                lmsg =
+                    Comp.ItemDetail.SetItem item
+            in
+            update key flags next (ItemDetailMsg lmsg) model
+
+        ItemResp (Err err) ->
+            ( model, Cmd.none )

modules/webapp/src/main/elm/Page/ItemDetail/View.elm

@@ -0,0 +1,19 @@
+module Page.ItemDetail.View exposing (view)
+
+import Comp.ItemDetail
+import Html exposing (..)
+import Html.Attributes exposing (..)
+import Page.ItemDetail.Data exposing (Model, Msg(..))
+
+
+type alias ItemNav =
+    { prev : Maybe String
+    , next : Maybe String
+    }
+
+
+view : ItemNav -> Model -> Html Msg
+view inav model =
+    div [ class "ui fluid container item-detail-page" ]
+        [ Html.map ItemDetailMsg (Comp.ItemDetail.view inav model.detail)
+        ]

modules/webapp/src/main/webjar/docspell.css

@@ -59,6 +59,12 @@
     background: aliceblue;
 }
 
+.default-layout .ui.fluid.container.item-detail-page {
+    padding-top: 1em;
+    padding-left: 1em;
+    padding-right: 1em;
+}
+
 .ui.search.dropdown.open {
     z-index: 20;
 }