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110 lines
4 KiB
Clojure
110 lines
4 KiB
Clojure
;; This Source Code Form is subject to the terms of the Mozilla Public
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;; License, v. 2.0. If a copy of the MPL was not distributed with this
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;; file, You can obtain one at http://mozilla.org/MPL/2.0/.
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;;
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;; Copyright (c) KALEIDOS INC
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(ns app.main.ui.components.dropdown-menu
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(:require
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[app.common.data :as d]
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[app.config :as cfg]
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[app.util.dom :as dom]
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[app.util.globals :as globals]
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[app.util.keyboard :as kbd]
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[app.util.object :as obj]
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[goog.events :as events]
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[goog.object :as gobj]
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[rumext.v2 :as mf])
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(:import goog.events.EventType))
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(mf/defc dropdown-menu-item*
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{::mf/wrap-props false}
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[props]
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(let [props (-> (obj/clone props)
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(obj/set! "role" "menuitem"))]
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[:> :li props]))
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(mf/defc dropdown-menu'
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{::mf/wrap-props false}
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[props]
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(let [children (gobj/get props "children")
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on-close (gobj/get props "on-close")
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ref (gobj/get props "container")
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ids (gobj/get props "ids")
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list-class (gobj/get props "list-class")
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ids (filter some? ids)
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on-click
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(fn [event]
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(let [target (dom/get-target event)
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;; MacOS ctrl+click sends two events: context-menu and click.
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;; In order to not have two handlings we ignore ctrl+click for this platform
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mac-ctrl-click? (and (cfg/check-platform? :macos) (kbd/ctrl? event))]
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(when (and (not mac-ctrl-click?)
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(not (.-data-no-close ^js target)))
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(if ref
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(let [parent (mf/ref-val ref)]
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(when-not (or (not parent) (.contains parent target))
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(on-close)))
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(on-close)))))
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on-keyup
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(fn [event]
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(when (kbd/esc? event)
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(on-close)))
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on-key-down
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(fn [event]
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(let [first-id (dom/get-element (first ids))
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first-element (dom/get-element first-id)
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len (count ids)]
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(when (kbd/home? event)
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(when first-element
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(dom/focus! first-element)))
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(when (kbd/up-arrow? event)
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(let [actual-selected (dom/get-active)
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actual-id (dom/get-attribute actual-selected "id")
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actual-index (d/index-of ids actual-id)
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previous-id (if (= 0 actual-index)
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(last ids)
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(get ids (- actual-index 1) (last ids)))]
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(dom/focus! (dom/get-element previous-id))))
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(when (kbd/down-arrow? event)
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(let [actual-selected (dom/get-active)
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actual-id (dom/get-attribute actual-selected "id")
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actual-index (d/index-of ids actual-id)
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next-id (if (= (- len 1) actual-index)
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(first ids)
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(get ids (+ 1 actual-index) (first ids)))
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node-item (dom/get-element next-id)]
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(dom/focus! node-item)))
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(when (kbd/tab? event)
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(on-close))))]
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(mf/with-effect []
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(let [keys [(events/listen globals/document EventType.CLICK on-click)
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(events/listen globals/document EventType.CONTEXTMENU on-click)
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(events/listen globals/document EventType.KEYUP on-keyup)
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(events/listen globals/document EventType.KEYDOWN on-key-down)]]
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#(doseq [key keys]
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(events/unlistenByKey key))))
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[:ul {:class list-class :role "menu"} children]))
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(mf/defc dropdown-menu
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{::mf/wrap-props false}
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[props]
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(assert (fn? (gobj/get props "on-close")) "missing `on-close` prop")
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(assert (boolean? (gobj/get props "show")) "missing `show` prop")
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(let [ids (obj/get props "ids")
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ids (d/nilv ids (->> (obj/get props "children")
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(keep #(obj/get-in % ["props" "id"]))))]
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(when (gobj/get props "show")
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(mf/element
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dropdown-menu'
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(mf/spread-props props {:ids ids})))))
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