penpot/frontend/src/app/main/ui/viewer/handoff/render.cljs
2022-03-30 13:35:52 +02:00

225 lines
7.8 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.handoff.render
"The main container for a frame in handoff mode"
(:require
[app.common.geom.shapes :as geom]
[app.common.pages.helpers :as cph]
[app.main.data.viewer :as dv]
[app.main.store :as st]
[app.main.ui.shapes.bool :as bool]
[app.main.ui.shapes.circle :as circle]
[app.main.ui.shapes.filters :as filters]
[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.main.ui.viewer.handoff.selection-feedback :refer [selection-feedback]]
[app.main.ui.viewer.interactions :refer [prepare-objects]]
[app.util.dom :as dom]
[app.util.object :as obj]
[rumext.alpha :as mf]))
(declare shape-container-factory)
(defn handle-hover-shape
[{:keys [type id]} hover?]
(fn [event]
(when-not (#{:group :frame} type)
(dom/prevent-default event)
(dom/stop-propagation event)
(st/emit! (dv/hover-shape id hover?)))))
(defn select-shape [{:keys [type id]}]
(fn [event]
(when-not (#{:group :frame} type)
(dom/stop-propagation event)
(dom/prevent-default event)
(cond
(.-shiftKey ^js event)
(st/emit! (dv/toggle-selection id))
:else
(st/emit! (dv/select-shape id))))))
(defn shape-wrapper-factory
[component]
(mf/fnc shape-wrapper
{::mf/wrap-props false}
[props]
(let [shape (unchecked-get props "shape")
childs (unchecked-get props "childs")
frame (unchecked-get props "frame")
render-wrapper? (or (not= :svg-raw (:type shape))
(svg-raw/graphic-element? (get-in shape [:content :tag])))]
(if render-wrapper?
[:> shape-container {:shape shape
:on-mouse-enter (handle-hover-shape shape true)
:on-mouse-leave (handle-hover-shape shape false)
:on-click (select-shape shape)}
[:& component {:shape shape
:frame frame
:childs childs
:is-child-selected? true}]]
;; Don't wrap svg elements inside a <g> otherwise some can break
[:& component {:shape shape
:frame frame
:childs childs}]))))
(defn frame-container-factory
[objects]
(let [shape-container (shape-container-factory objects)
frame-shape (frame/frame-shape shape-container)
frame-wrapper (shape-wrapper-factory frame-shape)]
(mf/fnc frame-container
{::mf/wrap-props false
::mf/wrap [mf/memo]}
[props]
(let [shape (unchecked-get props "shape")
childs (mapv #(get objects %) (:shapes shape))
shape (geom/transform-shape shape)
props (-> (obj/new)
(obj/merge! props)
(obj/merge! #js {:shape shape
:childs childs}))]
[:> frame-wrapper props]))))
(defn group-container-factory
[objects]
(let [shape-container (shape-container-factory objects)
group-shape (group/group-shape shape-container)
group-wrapper (shape-wrapper-factory group-shape)]
(mf/fnc group-container
{::mf/wrap-props false}
[props]
(let [shape (unchecked-get props "shape")
childs (mapv #(get objects %) (:shapes shape))
props (-> (obj/new)
(obj/merge! props)
(obj/merge! #js {:childs childs}))]
[:> group-wrapper props]))))
(defn bool-container-factory
[objects]
(let [shape-container (shape-container-factory objects)
bool-shape (bool/bool-shape shape-container)
bool-wrapper (shape-wrapper-factory bool-shape)]
(mf/fnc bool-container
{::mf/wrap-props false}
[props]
(let [shape (unchecked-get props "shape")
children (->> (cph/get-children-ids objects (:id shape))
(select-keys objects))
props (-> (obj/new)
(obj/merge! props)
(obj/merge! #js {:childs children}))]
[:> bool-wrapper props]))))
(defn svg-raw-container-factory
[objects]
(let [shape-container (shape-container-factory objects)
svg-raw-shape (svg-raw/svg-raw-shape shape-container)
svg-raw-wrapper (shape-wrapper-factory svg-raw-shape)]
(mf/fnc group-container
{::mf/wrap-props false}
[props]
(let [shape (unchecked-get props "shape")
childs (mapv #(get objects %) (:shapes shape))
props (-> (obj/new)
(obj/merge! props)
(obj/merge! #js {:childs childs}))]
[:> svg-raw-wrapper props]))))
(defn shape-container-factory
[objects]
(let [path-wrapper (shape-wrapper-factory path/path-shape)
text-wrapper (shape-wrapper-factory text/text-shape)
rect-wrapper (shape-wrapper-factory rect/rect-shape)
image-wrapper (shape-wrapper-factory image/image-shape)
circle-wrapper (shape-wrapper-factory circle/circle-shape)]
(mf/fnc shape-container
{::mf/wrap-props false}
[props]
(let [shape (unchecked-get props "shape")
frame (unchecked-get props "frame")
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))]
(when (and shape (not (:hidden shape)))
(let [shape (-> (geom/transform-shape shape)
(geom/translate-to-frame frame))
opts #js {:shape shape
:frame frame}]
(case (:type shape)
:text [:> text-wrapper opts]
:rect [:> rect-wrapper opts]
:path [:> path-wrapper opts]
:image [:> image-wrapper opts]
:circle [:> circle-wrapper opts]
:group [:> group-container opts]
:bool [:> bool-container opts]
:svg-raw [:> svg-raw-container opts])))))))
(mf/defc render-frame-svg
[{:keys [page frame local]}]
(let [objects (mf/use-memo
(mf/deps page frame)
(prepare-objects page frame))
;; Retrieve frame again with correct modifier
frame (get objects (:id frame))
zoom (:zoom local 1)
{:keys [_ _ width height]} (filters/get-filters-bounds frame)
padding (filters/calculate-padding frame)
x (- (:horizontal padding))
y (- (:vertical padding))
width (+ width (* 2 (:horizontal padding)))
height (+ height (* 2 (:vertical padding)))
vbox (str x " " y " " width " " height)
width (* width zoom)
height (* height zoom)
render (mf/use-memo
(mf/deps objects)
#(frame-container-factory objects))]
[:svg
{:id "svg-frame"
:view-box vbox
:width width
:height height
:version "1.1"
:xmlnsXlink "http://www.w3.org/1999/xlink"
:xmlns "http://www.w3.org/2000/svg"}
[:& render {:shape frame :view-box vbox}]
[:& selection-feedback
{:frame frame
:objects objects
:local local}]]))