penpot/frontend/src/app/main/ui/viewer/shapes.cljs
2021-04-29 11:50:31 +02:00

224 lines
8.5 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
[rumext.alpha :as mf]
[app.common.data :as d]
[app.common.pages :as cp]
[app.main.data.viewer :as dv]
[app.main.refs :as refs]
[app.main.store :as st]
[app.main.ui.shapes.filters :as filters]
[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.svg-raw :as svg-raw]
[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.text :as text]
[app.util.object :as obj]
[app.common.geom.matrix :as gmt]
[app.common.geom.point :as gpt]
[app.common.geom.shapes :as geom]
[app.main.ui.shapes.shape :refer [shape-container]]))
(defn on-mouse-down
[event {:keys [interactions] :as shape}]
(let [interaction (first (filter #(= (:event-type %) :click) interactions))]
(case (:action-type interaction)
:navigate
(let [frame-id (:destination interaction)]
(st/emit! (dv/go-to-frame frame-id)))
nil)))
(defn generic-wrapper-factory
"Wrap some svg shape and add interaction controls"
[component show-interactions?]
(mf/fnc generic-wrapper
{::mf/wrap-props false}
[props]
(let [shape (unchecked-get props "shape")
{:keys [x y width height]} (:selrect shape)
childs (unchecked-get props "childs")
frame (unchecked-get props "frame")
on-mouse-down (mf/use-callback
(mf/deps shape)
#(on-mouse-down % shape))
svg-element? (and (= :svg-raw (:type shape))
(not= :svg (get-in shape [:content :tag])))]
(if-not svg-element?
[:> shape-container {:shape shape
:on-mouse-down on-mouse-down
:cursor (when (seq (:interactions shape)) "pointer")}
[:& component {:shape shape
:frame frame
:childs childs
:is-child-selected? true}]
(when (:interactions shape)
[:rect {:x (- x 1)
:y (- y 1)
:width (+ width 2)
:height (+ height 2)
:fill "#31EFB8"
:stroke "#31EFB8"
:stroke-width (if show-interactions? 1 0)
:fill-opacity (if show-interactions? 0.2 0)}])]
;; Don't wrap svg elements inside a <g> otherwise some can break
[:& component {:shape shape
:frame frame
:childs childs}]))))
(defn frame-wrapper
[shape-container show-interactions?]
(generic-wrapper-factory (frame/frame-shape shape-container) show-interactions?))
(defn group-wrapper
[shape-container show-interactions?]
(generic-wrapper-factory (group/group-shape shape-container) show-interactions?))
(defn svg-raw-wrapper
[shape-container show-interactions?]
(generic-wrapper-factory (svg-raw/svg-raw-shape shape-container) show-interactions?))
(defn rect-wrapper
[show-interactions?]
(generic-wrapper-factory rect/rect-shape show-interactions?))
(defn image-wrapper
[show-interactions?]
(generic-wrapper-factory image/image-shape show-interactions?))
(defn path-wrapper
[show-interactions?]
(generic-wrapper-factory path/path-shape show-interactions?))
(defn text-wrapper
[show-interactions?]
(generic-wrapper-factory text/text-shape show-interactions?))
(defn circle-wrapper
[show-interactions?]
(generic-wrapper-factory circle/circle-shape show-interactions?))
(declare shape-container-factory)
(defn frame-container-factory
[objects show-interactions?]
(let [shape-container (shape-container-factory objects show-interactions?)
frame-wrapper (frame-wrapper shape-container show-interactions?)]
(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
:show-interactions? show-interactions?})]
[:> frame-wrapper props]))))
(defn group-container-factory
[objects show-interactions?]
(let [shape-container (shape-container-factory objects show-interactions?)
group-wrapper (group-wrapper shape-container show-interactions?)]
(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
:show-interactions? show-interactions?})]
[:> group-wrapper props]))))
(defn svg-raw-container-factory
[objects show-interactions?]
(let [shape-container (shape-container-factory objects show-interactions?)
svg-raw-wrapper (svg-raw-wrapper shape-container show-interactions?)]
(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
:show-interactions? show-interactions?})]
[:> svg-raw-wrapper props]))))
(defn shape-container-factory
[objects show-interactions?]
(let [path-wrapper (path-wrapper show-interactions?)
text-wrapper (text-wrapper show-interactions?)
rect-wrapper (rect-wrapper show-interactions?)
image-wrapper (image-wrapper show-interactions?)
circle-wrapper (circle-wrapper show-interactions?)]
(mf/fnc shape-container
{::mf/wrap-props false}
[props]
(let [group-container (mf/use-memo
(mf/deps objects)
#(group-container-factory objects show-interactions?))
svg-raw-container (mf/use-memo
(mf/deps objects)
#(svg-raw-container-factory objects show-interactions?))
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}]
(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}]
:svg-raw [:> svg-raw-container {:shape shape :frame frame}])))))))
(mf/defc frame-svg
{::mf/wrap [mf/memo]}
[{:keys [objects frame zoom show-interactions?] :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 (d/concat [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 show-interactions?))]
[: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
:show-interactions? show-interactions?
:view-box vbox}]]))