penpot/frontend/src/app/main/ui/modal.cljs
2020-09-11 10:54:23 +02:00

104 lines
2.9 KiB
Clojure

;; This Source Code Form is subject to the terms of the Mozilla Public
;; License, v. 2.0. If a copy of the MPL was not distributed with this
;; file, You can obtain one at http://mozilla.org/MPL/2.0/.
;;
;; This Source Code Form is "Incompatible With Secondary Licenses", as
;; defined by the Mozilla Public License, v. 2.0.
;;
;; Copyright (c) 2020 UXBOX Labs SL
(ns app.main.ui.modal
(:require
[okulary.core :as l]
[goog.events :as events]
[rumext.alpha :as mf]
[app.main.store :as st]
[app.main.ui.keyboard :as k]
[app.util.dom :as dom]
[app.main.refs :as refs]
[potok.core :as ptk]
[app.main.data.modal :as mdm])
(:import goog.events.EventType))
(defonce components (atom {}))
(defn show!
([type props]
(let [id (random-uuid)]
(st/emit! (mdm/show-modal id type props)))))
(defn allow-click-outside! []
(st/emit! (mdm/update-modal {:allow-click-outside true})))
(defn disallow-click-outside! []
(st/emit! (mdm/update-modal {:allow-click-outside false})))
(defn hide!
[]
(st/emit! (mdm/hide-modal)))
(defn- on-esc-clicked
[event]
(when (k/esc? event)
(hide!)
(dom/stop-propagation event)))
(defn- on-pop-state
[event]
(dom/prevent-default event)
(dom/stop-propagation event)
(hide!)
(.forward js/history))
(defn- on-parent-clicked
[event parent-ref]
(let [parent (mf/ref-val parent-ref)
current (dom/get-target event)]
(when (and (dom/equals? (.-firstElementChild ^js parent) current)
(= (.-className ^js current) "modal-overlay"))
(dom/stop-propagation event)
(dom/prevent-default event)
(hide!))))
(defn- on-click-outside
[event wrapper-ref allow-click-outside]
(let [wrapper (mf/ref-val wrapper-ref)
current (dom/get-target event)]
(when (and wrapper (not allow-click-outside) (not (.contains wrapper current)))
(dom/stop-propagation event)
(dom/prevent-default event)
(hide!))))
(mf/defc modal-wrapper
{::mf/wrap-props false
::mf/wrap [mf/memo]}
[props]
(let [data (unchecked-get props "data")
wrapper-ref (mf/use-ref nil)
handle-click-outside
(fn [event]
(on-click-outside event wrapper-ref (:allow-click-outside data)))]
(mf/use-layout-effect
(fn []
(let [keys [(events/listen js/document EventType.KEYDOWN on-esc-clicked)
(events/listen js/window EventType.POPSTATE on-pop-state)
(events/listen js/document EventType.CLICK handle-click-outside)]]
#(for [key keys]
(events/unlistenByKey key)))))
[:div.modal-wrapper {:ref wrapper-ref}
(mf/element
(get @components (:type data))
(:props data))]))
(def modal-ref
(l/derived ::mdm/modal st/state))
(mf/defc modal
[]
(let [modal (mf/deref modal-ref)]
(when modal [:& modal-wrapper {:data modal
:key (:id modal)}])))