penpot/frontend/src/app/main/ui/modal.cljs
2020-08-18 19:32:11 +02:00

62 lines
1.5 KiB
Clojure

(ns app.main.ui.modal
(:require
[cuerdas.core :as str]
[goog.events :as events]
[rumext.alpha :as mf]
[app.main.store :as st]
[app.main.ui.keyboard :as k]
[app.util.data :refer [classnames]]
[app.util.dom :as dom])
(:import goog.events.EventType))
(defonce state (atom nil))
(defn show!
[component props]
(reset! state {:component component :props props}))
(defn hide!
[]
(reset! state nil))
(defn- on-esc-clicked
[event]
(when (k/esc? event)
(reset! state nil)
(dom/stop-propagation event)))
(defn- on-parent-clicked
[event parent-ref]
(let [parent (mf/ref-val parent-ref)
current (dom/get-target event)]
;; (js/console.log current (.-className ^js current))
(when (and (dom/equals? (.-firstElementChild ^js parent) current)
(str/includes? (.-className ^js current) "modal-overlay"))
(dom/stop-propagation event)
(dom/prevent-default event)
(reset! state nil))))
(mf/defc modal-wrapper
[{:keys [component props]}]
(mf/use-effect
(fn []
(let [key (events/listen js/document EventType.KEYDOWN on-esc-clicked)]
#(events/unlistenByKey %))))
(let [ref (mf/use-ref nil)]
[:div.modal-wrapper
{:ref ref
:on-click #(on-parent-clicked % ref)}
[:& component props]]))
(mf/defc modal
[]
(when-let [{:keys [component props]} (mf/deref state)]
[:& modal-wrapper {:component component
:props props
:key (random-uuid)}]))