penpot/frontend/src/app/main/ui/viewer/shapes.cljs
2023-03-31 12:22:16 +02:00

454 lines
20 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) KALEIDOS INC
(ns app.main.ui.viewer.shapes
"The main container for a frame in viewer mode"
(:require
[app.common.geom.shapes :as gsh]
[app.common.pages.helpers :as cph]
[app.common.types.shape.interactions :as ctsi]
[app.main.data.viewer :as dv]
[app.main.refs :as refs]
[app.main.store :as st]
[app.main.ui.shapes.bool :as bool]
[app.main.ui.shapes.circle :as circle]
[app.main.ui.shapes.frame :as frame]
[app.main.ui.shapes.group :as group]
[app.main.ui.shapes.image :as image]
[app.main.ui.shapes.path :as path]
[app.main.ui.shapes.rect :as rect]
[app.main.ui.shapes.shape :refer [shape-container]]
[app.main.ui.shapes.svg-raw :as svg-raw]
[app.main.ui.shapes.text :as text]
[app.util.dom :as dom]
[app.util.object :as obj]
[app.util.router :as rt]
[app.util.timers :as tm]
[okulary.core :as l]
[rumext.v2 :as mf]))
(def base-frame-ctx (mf/create-context nil))
(def frame-offset-ctx (mf/create-context nil))
(def viewer-interactions-show?
(l/derived :interactions-show? refs/viewer-local))
(defn- find-relative-to-base-frame
[shape objects overlays-ids base-frame]
(if (or (empty? overlays-ids) (nil? shape) (cph/root? shape))
base-frame
(if (contains? overlays-ids (:id shape))
shape
(find-relative-to-base-frame (cph/get-parent objects (:id shape)) objects overlays-ids base-frame))))
(defn- activate-interaction
[interaction shape base-frame frame-offset objects overlays]
(case (:action-type interaction)
:navigate
(when-let [frame-id (:destination interaction)]
(let [viewer-section (dom/get-element "viewer-section")
scroll (if (:preserve-scroll interaction)
(dom/get-scroll-pos viewer-section)
0)]
(st/emit! (dv/set-nav-scroll scroll)
(dv/go-to-frame frame-id (:animation interaction)))))
:open-overlay
(let [dest-frame-id (:destination interaction)
viewer-objects (deref (refs/get-viewer-objects))
dest-frame (get viewer-objects dest-frame-id)
relative-to-id (if (= :manual (:overlay-pos-type interaction))
(:id shape) ;; manual interactions are allways from "self"
(:position-relative-to interaction))
relative-to-shape (or (get objects relative-to-id) base-frame)
close-click-outside (:close-click-outside interaction)
background-overlay (:background-overlay interaction)
overlays-ids (set (map :id overlays))
relative-to-base-frame (find-relative-to-base-frame relative-to-shape objects overlays-ids base-frame)
position (ctsi/calc-overlay-position interaction
shape
viewer-objects
relative-to-shape
relative-to-base-frame
dest-frame
frame-offset)]
(when dest-frame-id
(st/emit! (dv/open-overlay dest-frame-id
position
close-click-outside
background-overlay
(:animation interaction)))))
:toggle-overlay
(let [frame-id (:destination interaction)
dest-frame (get objects frame-id)
relative-to-id (if (= :manual (:overlay-pos-type interaction))
(:id shape) ;; manual interactions are allways from "self"
(:position-relative-to interaction))
relative-to-shape (or (get objects relative-to-id) base-frame)
overlays-ids (set (map :id overlays))
relative-to-base-frame (find-relative-to-base-frame relative-to-shape objects overlays-ids base-frame)
position (ctsi/calc-overlay-position interaction
shape
objects
relative-to-shape
relative-to-base-frame
dest-frame
frame-offset)
close-click-outside (:close-click-outside interaction)
background-overlay (:background-overlay interaction)]
(when frame-id
(st/emit! (dv/toggle-overlay frame-id
position
close-click-outside
background-overlay
(:animation interaction)))))
:close-overlay
(let [frame-id (or (:destination interaction)
(if (= (:type shape) :frame)
(:id shape)
(:frame-id shape)))]
(st/emit! (dv/close-overlay frame-id (:animation interaction))))
:prev-screen
(st/emit! (rt/nav-back-local))
:open-url
(st/emit! (dom/open-new-window (:url interaction)))
nil))
;; Perform the opposite action of an interaction, if possible
(defn- deactivate-interaction
[interaction shape base-frame frame-offset objects overlays]
(case (:action-type interaction)
:open-overlay
(let [frame-id (or (:destination interaction)
(if (= (:type shape) :frame)
(:id shape)
(:frame-id shape)))]
(st/emit! (dv/close-overlay frame-id)))
:toggle-overlay
(let [frame-id (:destination interaction)
position (:overlay-position interaction)
close-click-outside (:close-click-outside interaction)
background-overlay (:background-overlay interaction)]
(when frame-id
(st/emit! (dv/toggle-overlay frame-id
position
close-click-outside
background-overlay
(:animation interaction)))))
:close-overlay
(let [dest-frame-id (:destination interaction)
dest-frame (get objects dest-frame-id)
relative-to-id (if (= :manual (:overlay-pos-type interaction))
(:id shape) ;; manual interactions are allways from "self"
(:position-relative-to interaction))
relative-to-shape (or (get objects relative-to-id) base-frame)
close-click-outside (:close-click-outside interaction)
background-overlay (:background-overlay interaction)
overlays-ids (set (map :id overlays))
relative-to-base-frame (find-relative-to-base-frame relative-to-shape objects overlays-ids base-frame)
position (ctsi/calc-overlay-position interaction
shape
objects
relative-to-shape
relative-to-base-frame
dest-frame
frame-offset)]
(when dest-frame-id
(st/emit! (dv/open-overlay dest-frame-id
position
close-click-outside
background-overlay
(:animation interaction)))))
nil))
(defn- on-pointer-down
[event shape base-frame frame-offset objects overlays]
(let [interactions (->> (:interactions shape)
(filter #(or (= (:event-type %) :click)
(= (:event-type %) :mouse-press))))]
(when (seq interactions)
(dom/stop-propagation event)
(doseq [interaction interactions]
(activate-interaction interaction shape base-frame frame-offset objects overlays)))))
(defn- on-pointer-up
[event shape base-frame frame-offset objects overlays]
(let [interactions (->> (:interactions shape)
(filter #(= (:event-type %) :mouse-press)))]
(when (seq interactions)
(dom/stop-propagation event)
(doseq [interaction interactions]
(deactivate-interaction interaction shape base-frame frame-offset objects overlays)))))
(defn- on-pointer-enter
[event shape base-frame frame-offset objects overlays]
(let [interactions (->> (:interactions shape)
(filter #(or (= (:event-type %) :mouse-enter)
(= (:event-type %) :mouse-over))))]
(when (seq interactions)
(dom/stop-propagation event)
(doseq [interaction interactions]
(activate-interaction interaction shape base-frame frame-offset objects overlays)))))
(defn- on-pointer-leave
[event shape base-frame frame-offset objects overlays]
(let [interactions (->> (:interactions shape)
(filter #(= (:event-type %) :mouse-leave)))
interactions-inv (->> (:interactions shape)
(filter #(= (:event-type %) :mouse-over)))]
(when (or (seq interactions) (seq interactions-inv))
(dom/stop-propagation event)
(doseq [interaction interactions]
(activate-interaction interaction shape base-frame frame-offset objects overlays))
(doseq [interaction interactions-inv]
(deactivate-interaction interaction shape base-frame frame-offset objects overlays)))))
(defn- on-load
[shape base-frame frame-offset objects overlays]
(let [interactions (->> (:interactions shape)
(filter #(= (:event-type %) :after-delay)))]
(loop [interactions (seq interactions)
sems []]
(if-let [interaction (first interactions)]
(let [sem (tm/schedule (:delay interaction)
#(activate-interaction interaction shape base-frame frame-offset objects overlays))]
(recur (next interactions)
(conj sems sem)))
sems))))
(mf/defc interaction
[{:keys [shape interactions interactions-show?]}]
(let [{:keys [x y width height]} (:selrect shape)
frame? (= :frame (:type shape))]
(when-not (empty? interactions)
[:rect {:x (- x 1)
:y (- y 1)
:width (+ width 2)
:height (+ height 2)
:fill "var(--color-primary)"
:stroke "var(--color-primary)"
:stroke-width (if interactions-show? 1 0)
:fill-opacity (if interactions-show? 0.2 0)
:style {:pointer-events (when frame? "none")}
:transform (gsh/transform-str shape)}])))
;; TODO: use-memo use-fn
(defn generic-wrapper-factory
"Wrap some svg shape and add interaction controls"
[component]
(mf/fnc generic-wrapper
{::mf/wrap-props false}
[props]
(let [shape (unchecked-get props "shape")
childs (unchecked-get props "childs")
frame (unchecked-get props "frame")
objects (unchecked-get props "objects")
base-frame (mf/use-ctx base-frame-ctx)
frame-offset (mf/use-ctx frame-offset-ctx)
interactions-show? (mf/deref viewer-interactions-show?)
overlays (mf/deref refs/viewer-overlays)
interactions (:interactions shape)
svg-element? (and (= :svg-raw (:type shape))
(not= :svg (get-in shape [:content :tag])))
on-pointer-down
(mf/use-fn (mf/deps shape base-frame frame-offset objects)
#(on-pointer-down % shape base-frame frame-offset objects overlays))
on-pointer-up
(mf/use-fn (mf/deps shape base-frame frame-offset objects)
#(on-pointer-up % shape base-frame frame-offset objects overlays))
on-pointer-enter
(mf/use-fn (mf/deps shape base-frame frame-offset objects)
#(on-pointer-enter % shape base-frame frame-offset objects overlays))
on-pointer-leave
(mf/use-fn (mf/deps shape base-frame frame-offset objects)
#(on-pointer-leave % shape base-frame frame-offset objects overlays))]
(mf/with-effect []
(let [sems (on-load shape base-frame frame-offset objects overlays)]
(partial run! tm/dispose! sems)))
(if-not svg-element?
[:> shape-container {:shape shape
:cursor (when (ctsi/actionable? interactions) "pointer")
:on-pointer-down on-pointer-down
:on-pointer-up on-pointer-up
:on-pointer-enter on-pointer-enter
:on-pointer-leave on-pointer-leave}
[:& component {:shape shape
:frame frame
:childs childs
:is-child-selected? true
:objects objects}]
[:& interaction {:shape shape
:interactions interactions
:interactions-show? interactions-show?}]]
;; Don't wrap svg elements inside a <g> otherwise some can break
[:& component {:shape shape
:frame frame
:childs childs
:objects objects}]))))
(defn frame-wrapper
[shape-container]
(generic-wrapper-factory (frame/frame-shape shape-container)))
(defn group-wrapper
[shape-container]
(generic-wrapper-factory (group/group-shape shape-container)))
(defn bool-wrapper
[shape-container]
(generic-wrapper-factory (bool/bool-shape shape-container)))
(defn svg-raw-wrapper
[shape-container]
(generic-wrapper-factory (svg-raw/svg-raw-shape shape-container)))
(defn rect-wrapper
[]
(generic-wrapper-factory rect/rect-shape))
(defn image-wrapper
[]
(generic-wrapper-factory image/image-shape))
(defn path-wrapper
[]
(generic-wrapper-factory path/path-shape))
(defn text-wrapper
[]
(generic-wrapper-factory text/text-shape))
(defn circle-wrapper
[]
(generic-wrapper-factory circle/circle-shape))
(declare shape-container-factory)
(defn frame-container-factory
[objects]
(let [shape-container (shape-container-factory objects)
frame-wrapper (frame-wrapper shape-container)]
(mf/fnc frame-container
{::mf/wrap-props false}
[props]
(let [shape (obj/get props "shape")
childs (mapv #(get objects %) (:shapes shape))
props (obj/merge! #js {} props
#js {:shape shape
:childs childs
:objects objects})]
[:> frame-wrapper props]))))
(defn group-container-factory
[objects]
(let [shape-container (shape-container-factory objects)
group-wrapper (group-wrapper shape-container)]
(mf/fnc group-container
{::mf/wrap-props false}
[props]
(let [childs (mapv #(get objects %) (:shapes (unchecked-get props "shape")))
props (obj/merge! #js {} props
#js {:childs childs
:objects objects})]
(when (not-empty childs)
[:> group-wrapper props])))))
(defn bool-container-factory
[objects]
(let [shape-container (shape-container-factory objects)
bool-wrapper (bool-wrapper shape-container)]
(mf/fnc bool-container
{::mf/wrap-props false}
[props]
(let [childs (->> (cph/get-children-ids objects (:id (unchecked-get props "shape")))
(select-keys objects))
props (obj/merge! #js {} props
#js {:childs childs
:objects objects})]
[:> bool-wrapper props]))))
(defn svg-raw-container-factory
[objects]
(let [shape-container (shape-container-factory objects)
svg-raw-wrapper (svg-raw-wrapper shape-container)]
(mf/fnc svg-raw-container
{::mf/wrap-props false}
[props]
(let [childs (mapv #(get objects %) (:shapes (unchecked-get props "shape")))
props (obj/merge! #js {} props
#js {:childs childs
:objects objects})]
[:> svg-raw-wrapper props]))))
(defn shape-container-factory
[objects]
(let [path-wrapper (path-wrapper)
text-wrapper (text-wrapper)
rect-wrapper (rect-wrapper)
image-wrapper (image-wrapper)
circle-wrapper (circle-wrapper)]
(mf/fnc shape-container
{::mf/wrap-props false
::mf/wrap [mf/memo]}
[props]
(let [shape (unchecked-get props "shape")
frame (unchecked-get props "frame")
group-container
(mf/with-memo [objects]
(group-container-factory objects))
frame-container
(mf/with-memo [objects]
(frame-container-factory objects))
bool-container
(mf/with-memo [objects]
(bool-container-factory objects))
svg-raw-container
(mf/with-memo [objects]
(svg-raw-container-factory objects))]
(when (and shape (not (:hidden shape)))
(let [shape (-> shape
#_(gsh/transform-shape)
(gsh/translate-to-frame frame))
opts #js {:shape shape
:objects objects}]
(case (:type shape)
:frame [:> frame-container opts]
:text [:> text-wrapper opts]
:rect [:> rect-wrapper opts]
:path [:> path-wrapper opts]
:image [:> image-wrapper opts]
:circle [:> circle-wrapper opts]
:group [:> group-container {:shape shape :frame frame :objects objects}]
:bool [:> bool-container {:shape shape :frame frame :objects objects}]
:svg-raw [:> svg-raw-container {:shape shape :frame frame :objects objects}])))))))