198 lines
6.4 KiB
Plaintext
198 lines
6.4 KiB
Plaintext
module Component.NNote where
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import Prelude hiding (div)
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import App (destroyNote, editNote)
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import Component.Markdown as Markdown
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import Data.Array (drop, foldMap)
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import Data.Either (Either(..))
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import Data.Lens (Lens', lens, use, (%=), (.=))
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import Data.Maybe (Maybe(..), maybe)
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import Data.Monoid (guard)
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import Data.String (null, split) as S
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import Data.String.Pattern (Pattern(..))
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import Data.Tuple (fst, snd)
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import Effect.Aff (Aff)
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import Effect.Class (liftEffect)
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import Globals (app', mmoment8601)
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import Halogen as H
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import Halogen.HTML (br_, button, div, form, input, label, p, span, text, textarea)
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import Halogen.HTML as HH
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import Halogen.HTML.Events (onChecked, onClick, onSubmit, onValueChange)
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import Halogen.HTML.Events as HE
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import Halogen.HTML.Properties (ButtonType(..), InputType(..), checked, for, id_, name, rows, title, type_, value)
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import Model (Note)
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import Util (_loc, class_, fromNullableStr)
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import Web.Event.Event (Event, preventDefault)
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import Web.HTML.Location (setHref)
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data NQuery a
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= NNop a
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| NEditField EditField a
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| NEditSubmit Event a
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| NEdit Boolean a
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| NDeleteAsk Boolean a
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| NDestroy a
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type NState =
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{ note :: Note
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, edit_note :: Note
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, deleteAsk :: Boolean
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, edit :: Boolean
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, destroyed :: Boolean
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}
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_note :: Lens' NState Note
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_note = lens _.note (_ { note = _ })
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_edit_note :: Lens' NState Note
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_edit_note = lens _.edit_note (_ { edit_note = _ })
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_edit :: Lens' NState Boolean
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_edit = lens _.edit (_ { edit = _ })
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-- | FormField Edits
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data EditField
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= Etitle String
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| Etext String
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| EisMarkdown Boolean
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type NChildQuery = Markdown.MQuery
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nnote :: Note -> H.Component HH.HTML NQuery Unit Void Aff
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nnote st' =
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H.parentComponent
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{ initialState: const (mkState st')
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, render
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, eval
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, receiver: const Nothing
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}
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where
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app = app' unit
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mkState note' =
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{ note: note'
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, edit_note: note'
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, deleteAsk: false
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, edit: note'.id <= 0
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, destroyed: false
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}
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render :: NState -> H.ParentHTML NQuery NChildQuery Unit Aff
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render st@{ note, edit_note } =
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if st.destroyed
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then display_destroyed
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else
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if st.edit
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then renderNote_edit
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else renderNote
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where
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renderNote =
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div [ id_ (show note.id) , class_ ("note w-100 mw7 pa1 mb2")] $
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[ div [ class_ "display" ] $
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[ div [ class_ ("link f5 lh-title")]
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[ text $ if S.null note.title then "[no title]" else note.title ]
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, br_
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, if note.isMarkdown
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then div [ class_ "description mt1" ] [ HH.slot unit Markdown.component note.text absurd ]
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else div [ class_ "description mt1 mid-gray" ] (toTextarea note.text)
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, div [ class_ "link f7 dib gray w4", title (maybe note.created snd (mmoment note)) ]
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[ text (maybe " " fst (mmoment note)) ]
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]
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]
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<> -- | Render Action Links
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[ div [ class_ "edit_links db mt3" ]
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[ button [ type_ ButtonButton, onClick (HE.input_ (NEdit true)), class_ "edit light-silver hover-blue" ] [ text "edit " ]
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, div [ class_ "delete_link di" ]
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[ button [ type_ ButtonButton, onClick (HE.input_ (NDeleteAsk true)), class_ ("delete light-silver hover-blue" <> guard st.deleteAsk " dn") ] [ text "delete" ]
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, span ([ class_ ("confirm red" <> guard (not st.deleteAsk) " dn") ] )
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[ button [ type_ ButtonButton, onClick (HE.input_ (NDeleteAsk false))] [ text "cancel / " ]
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, button [ type_ ButtonButton, onClick (HE.input_ NDestroy), class_ "red" ] [ text "destroy" ]
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]
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]
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]
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]
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renderNote_edit =
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form [ onSubmit (HE.input NEditSubmit) ]
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[ p [ class_ "mt2 mb1"] [ text "title:" ]
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, input [ type_ InputText , class_ "title w-100 mb1 pt1 f7 edit_form_input" , name "title"
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, value (edit_note.title) , onValueChange (editField Etitle)
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]
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, br_
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, p [ class_ "mt2 mb1"] [ text "description:" ]
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, textarea [ class_ "description w-100 mb1 pt1 f7 edit_form_input" , name "text", rows 30
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, value (edit_note.text) , onValueChange (editField Etext)
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]
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, div [ class_ "edit_form_checkboxes mb3"]
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[ input [ type_ InputCheckbox , class_ "is-markdown pointer" , id_ "edit_ismarkdown", name "ismarkdown"
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, checked (edit_note.isMarkdown) , onChecked (editField EisMarkdown) ]
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, text " "
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, label [ for "edit_ismarkdown" , class_ "mr2" ] [ text "use markdown?" ]
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, br_
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]
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, input [ type_ InputSubmit , class_ "mr1 pv1 ph2 dark-gray ba b--moon-gray bg-near-white pointer rdim" , value "save" ]
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, text " "
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, input [ type_ InputReset , class_ "pv1 ph2 dark-gray ba b--moon-gray bg-near-white pointer rdim" , value "cancel"
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, onClick (HE.input_ (NEdit false))
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]
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]
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display_destroyed = p [ class_ "red"] [text "you killed this note"]
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mmoment n = mmoment8601 n.created
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editField :: forall a. (a -> EditField) -> a -> Maybe (NQuery Unit)
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editField f = HE.input NEditField <<< f
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toTextarea input =
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S.split (Pattern "\n") input
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# foldMap (\x -> [br_, text x])
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# drop 1
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eval :: NQuery ~> H.ParentDSL NState NQuery NChildQuery Unit Void Aff
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eval (NNop next) = pure next
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-- | EditField
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eval (NEditField f next) = do
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_edit_note %= case f of
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Etitle e -> _ { title = e }
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Etext e -> _ { text = e }
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EisMarkdown e -> _ { isMarkdown = e }
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pure next
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-- | Delete
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eval (NDeleteAsk e next) = do
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H.modify_ (_ { deleteAsk = e })
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pure next
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-- | Destroy
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eval (NDestroy next) = do
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note <- use _note
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void $ H.liftAff (destroyNote note.id)
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H.modify_ (_ { destroyed = true })
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pure next
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-- | Start/Stop Editing
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eval (NEdit e next) = do
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note <- use _note
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_edit_note .= note
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_edit .= e
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pure next
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-- | Submit
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eval (NEditSubmit e next) = do
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H.liftEffect (preventDefault e)
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edit_note <- use _edit_note
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res <- H.liftAff (editNote edit_note)
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case res.body of
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Left err -> pure next
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Right r -> do
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if (edit_note.id == 0)
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then do
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liftEffect (setHref (fromNullableStr app.noteR) =<< _loc)
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else do
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_note .= edit_note
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_edit .= false
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pure next
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