penpot/frontend/src/app/main/ui/viewer/shapes.cljs
2021-12-21 15:46:52 +01:00

422 lines
16 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.viewer.shapes
"The main container for a frame in viewer mode"
(:require
[app.common.geom.matrix :as gmt]
[app.common.geom.point :as gpt]
[app.common.geom.shapes :as geom]
[app.common.pages :as cp]
[app.common.types.interactions :as cti]
[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.alpha :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- activate-interaction
[interaction shape base-frame frame-offset objects]
(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)
close-click-outside (:close-click-outside interaction)
background-overlay (:background-overlay interaction)
dest-frame (get objects dest-frame-id)
position (cti/calc-overlay-position interaction
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)
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 [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]
(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)
close-click-outside (:close-click-outside interaction)
background-overlay (:background-overlay interaction)
dest-frame (get objects dest-frame-id)
position (cti/calc-overlay-position interaction
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-mouse-down
[event shape base-frame frame-offset objects]
(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)))))
(defn- on-mouse-up
[event shape base-frame frame-offset objects]
(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)))))
(defn- on-mouse-enter
[event shape base-frame frame-offset objects]
(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)))))
(defn- on-mouse-leave
[event shape base-frame frame-offset objects]
(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))
(doseq [interaction interactions-inv]
(deactivate-interaction interaction shape base-frame frame-offset objects)))))
(defn- on-load
[shape base-frame frame-offset objects]
(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))]
(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 (geom/transform-matrix shape)}])))
(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?)
interactions (:interactions shape)
svg-element? (and (= :svg-raw (:type shape))
(not= :svg (get-in shape [:content :tag])))]
(mf/use-effect
(fn []
(let [sems (on-load shape base-frame frame-offset objects)]
#(run! tm/dispose! sems))))
(if-not svg-element?
[:> shape-container {:shape shape
:cursor (when (cti/actionable? interactions) "pointer")
:on-mouse-down #(on-mouse-down % shape base-frame frame-offset objects)
:on-mouse-up #(on-mouse-up % shape base-frame frame-offset objects)
:on-mouse-enter #(on-mouse-enter % shape base-frame frame-offset objects)
:on-mouse-leave #(on-mouse-leave % shape base-frame frame-offset objects)}
[:& component {:shape shape
:frame frame
:childs childs
:is-child-selected? true}]
[:& 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}]))))
(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))
shape (geom/transform-shape 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 [shape (unchecked-get props "shape")
childs (mapv #(get objects %) (:shapes shape))
props (obj/merge! #js {} props
#js {:childs childs
:objects objects})]
[:> 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 [shape (unchecked-get props "shape")
childs (select-keys objects (cp/get-children (:id shape) 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 [shape (unchecked-get props "shape")
childs (mapv #(get objects %) (:shapes 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}
[props]
(let [group-container
(mf/use-memo (mf/deps objects)
#(group-container-factory objects))
bool-container
(mf/use-memo (mf/deps objects)
#(bool-container-factory objects))
svg-raw-container
(mf/use-memo (mf/deps objects)
#(svg-raw-container-factory objects))
shape (unchecked-get props "shape")
frame (unchecked-get props "frame")]
(when (and shape (not (:hidden shape)))
(let [shape (-> (geom/transform-shape shape)
(geom/translate-to-frame frame))
opts #js {:shape shape
:objects objects}]
(case (:type shape)
:frame [:g.empty]
: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}])))))))
(mf/defc frame-svg
{::mf/wrap [mf/memo]}
[{:keys [objects frame zoom] :or {zoom 1} :as props}]
(let [modifier (-> (gpt/point (:x frame) (:y frame))
(gpt/negate)
(gmt/translate-matrix))
update-fn #(assoc-in %1 [%2 :modifiers :displacement] modifier)
frame-id (:id frame)
modifier-ids (into [frame-id] (cp/get-children frame-id objects))
objects (reduce update-fn objects modifier-ids)
frame (assoc-in frame [:modifiers :displacement] modifier)
width (* (:width frame) zoom)
height (* (:height frame) zoom)
vbox (str "0 0 " (:width frame 0)
" " (:height frame 0))
wrapper (mf/use-memo
(mf/deps objects)
#(frame-container-factory objects))]
[:svg {:view-box vbox
:width width
:height height
:version "1.1"
:xmlnsXlink "http://www.w3.org/1999/xlink"
:xmlns "http://www.w3.org/2000/svg"}
[:& wrapper {:shape frame
:view-box vbox}]]))