Criteria

This package help you create a hierarchy of "filters" contained in a dropdown

Have a look at a live example and its code

View

view : Config msg filter -> State -> List filter -> Html msg

The view function which take the configuration the state and a list of filters

Config

type Config msg filter

Configuration for displaying the hierarchy of filters

config :

{ title : String

, toMsg : State -> msg

, toId : filter -> String

, toString : filter -> String

, getSubFilters : filter -> List filter

}

-> Config msg filter

Create the configuation to pass in your view.

title — A string displayed for the button text
toMsg — The message which is responsible for updating the Criteria.State in your model
toId — A function taking a filter and returning a unique string which represent the filter
tostring — A function taking a filter and returning a string which will be used as label in the hierarchy
getSubFilters — A fuction taking a filter and returning the a list of its sub-filters

State

type State

Define if the hierarchy of filters is open the set of the selected filters the set of filters where the sub-filters are displayed State False Set.empty

init : State

Initialise the state, ie filters are hidden and no filter selected yet

import Criteria


Criteria.init

Helpers

selectedIdFilters : State -> Set String

Return the set of the selected filters' id

Modules

Criteria