penpot/frontend/src/app/main/ui/components/dropdown.cljs
2021-06-18 11:20:25 +02:00

56 lines
1.7 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/.
;;
;; Copyright (c) UXBOX Labs SL
(ns app.main.ui.components.dropdown
(:require
[app.util.dom :as dom]
[app.util.keyboard :as kbd]
[goog.events :as events]
[goog.object :as gobj]
[rumext.alpha :as mf])
(:import goog.events.EventType))
(mf/defc dropdown'
{::mf/wrap-props false}
[props]
(let [children (gobj/get props "children")
on-close (gobj/get props "on-close")
ref (gobj/get props "container")
on-click
(fn [event]
(let [target (dom/get-target event)]
(when-not (.-data-no-close ^js target)
(if ref
(let [parent (mf/ref-val ref)]
(when-not (or (not parent) (.contains parent target))
(on-close)))
(on-close)))))
on-keyup
(fn [event]
(when (kbd/esc? event)
(on-close)))
on-mount
(fn []
(let [keys [(events/listen js/document EventType.CLICK on-click)
(events/listen js/document EventType.CONTEXTMENU on-click)
(events/listen js/document EventType.KEYUP on-keyup)]]
#(doseq [key keys]
(events/unlistenByKey key))))]
(mf/use-effect on-mount)
children))
(mf/defc dropdown
{::mf/wrap-props false}
[props]
(assert (fn? (gobj/get props "on-close")) "missing `on-close` prop")
(assert (boolean? (gobj/get props "show")) "missing `show` prop")
(when (gobj/get props "show")
(mf/element dropdown' props)))