2021-12-28 09:18:33 +01:00

338 lines
13 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.workspace.viewport
(:require
[app.common.colors :as clr]
[app.common.data :as d]
[app.common.geom.shapes :as gsh]
[app.main.refs :as refs]
[app.main.ui.context :as ctx]
[app.main.ui.measurements :as msr]
[app.main.ui.shapes.embed :as embed]
[app.main.ui.shapes.export :as use]
[app.main.ui.workspace.shapes :as shapes]
[app.main.ui.workspace.shapes.text.editor :as editor]
[app.main.ui.workspace.viewport.actions :as actions]
[app.main.ui.workspace.viewport.comments :as comments]
[app.main.ui.workspace.viewport.drawarea :as drawarea]
[app.main.ui.workspace.viewport.frame-grid :as frame-grid]
[app.main.ui.workspace.viewport.gradients :as gradients]
[app.main.ui.workspace.viewport.hooks :as hooks]
[app.main.ui.workspace.viewport.interactions :as interactions]
[app.main.ui.workspace.viewport.outline :as outline]
[app.main.ui.workspace.viewport.pixel-overlay :as pixel-overlay]
[app.main.ui.workspace.viewport.presence :as presence]
[app.main.ui.workspace.viewport.selection :as selection]
[app.main.ui.workspace.viewport.snap-distances :as snap-distances]
[app.main.ui.workspace.viewport.snap-points :as snap-points]
[app.main.ui.workspace.viewport.thumbnail-renderer :as wtr]
[app.main.ui.workspace.viewport.utils :as utils]
[app.main.ui.workspace.viewport.widgets :as widgets]
[beicon.core :as rx]
[rumext.alpha :as mf]))
;; --- Viewport
(mf/defc viewport
[{:keys [local selected layout file] :as props}]
(let [;; When adding data from workspace-local revisit `app.main.ui.workspace` to check
;; that the new parameter is sent
{:keys [edit-path
edition
options-mode
panning
picking-color?
selrect
show-distances?
tooltip
transform
vbox
vport
zoom]} local
;; CONTEXT
page-id (mf/use-ctx ctx/current-page-id)
;; DEREFS
drawing (mf/deref refs/workspace-drawing)
options (mf/deref refs/workspace-page-options)
base-objects (mf/deref refs/workspace-page-objects)
modifiers (mf/deref refs/workspace-modifiers)
objects-modified (mf/use-memo
(mf/deps base-objects modifiers)
#(gsh/merge-modifiers base-objects modifiers))
background (get options :background clr/canvas)
;; STATE
alt? (mf/use-state false)
ctrl? (mf/use-state false)
space? (mf/use-state false)
cursor (mf/use-state (utils/get-cursor :pointer-inner))
hover-ids (mf/use-state nil)
hover (mf/use-state nil)
hover-disabled? (mf/use-state false)
frame-hover (mf/use-state nil)
active-frames (mf/use-state {})
;; REFS
viewport-ref (mf/use-ref nil)
;; VARS
disable-paste (mf/use-var false)
in-viewport? (mf/use-var false)
;; STREAMS
move-stream (mf/use-memo #(rx/subject))
zoom (d/check-num zoom 1)
drawing-tool (:tool drawing)
drawing-obj (:object drawing)
xf-select-shape (comp (map (d/getf objects-modified)) (filter some?))
selected-shapes (into [] xf-select-shape selected)
selected-frames (into #{} (map :frame-id) selected-shapes)
;; Only when we have all the selected shapes in one frame
selected-frame (when (= (count selected-frames) 1) (get base-objects (first selected-frames)))
create-comment? (= :comments drawing-tool)
drawing-path? (or (and edition (= :draw (get-in edit-path [edition :edit-mode])))
(and (some? drawing-obj) (= :path (:type drawing-obj))))
node-editing? (and edition (not= :text (get-in base-objects [edition :type])))
text-editing? (and edition (= :text (get-in base-objects [edition :type])))
on-click (actions/on-click hover selected edition drawing-path? drawing-tool)
on-context-menu (actions/on-context-menu hover)
on-double-click (actions/on-double-click hover hover-ids drawing-path? base-objects edition)
on-drag-enter (actions/on-drag-enter)
on-drag-over (actions/on-drag-over)
on-drop (actions/on-drop file viewport-ref zoom)
on-mouse-down (actions/on-mouse-down @hover selected edition drawing-tool text-editing? node-editing?
drawing-path? create-comment? space? viewport-ref zoom)
on-mouse-up (actions/on-mouse-up disable-paste)
on-pointer-down (actions/on-pointer-down)
on-pointer-enter (actions/on-pointer-enter in-viewport?)
on-pointer-leave (actions/on-pointer-leave in-viewport?)
on-pointer-move (actions/on-pointer-move viewport-ref zoom move-stream)
on-pointer-up (actions/on-pointer-up)
on-move-selected (actions/on-move-selected hover hover-ids selected)
on-frame-enter (actions/on-frame-enter frame-hover)
on-frame-leave (actions/on-frame-leave frame-hover)
on-frame-select (actions/on-frame-select selected)
disable-events? (contains? layout :comments)
show-comments? (= drawing-tool :comments)
show-cursor-tooltip? tooltip
show-draw-area? drawing-obj
show-gradient-handlers? (= (count selected) 1)
show-grids? (contains? layout :display-grid)
show-outlines? (and (nil? transform) (not edition) (not drawing-obj) (not (#{:comments :path} drawing-tool)))
show-pixel-grid? (>= zoom 8)
show-presence? page-id
show-prototypes? (= options-mode :prototype)
show-selection-handlers? (seq selected)
show-snap-distance? (and (contains? layout :dynamic-alignment)
(= transform :move)
(seq selected))
show-snap-points? (and (or (contains? layout :dynamic-alignment)
(contains? layout :snap-grid))
(or drawing-obj transform))
show-selrect? (and selrect (empty? drawing))
show-measures? (and (not transform) (not node-editing?) show-distances?)]
(hooks/setup-dom-events viewport-ref zoom disable-paste in-viewport?)
(hooks/setup-viewport-size viewport-ref)
(hooks/setup-cursor cursor alt? panning drawing-tool drawing-path? node-editing?)
(hooks/setup-resize layout viewport-ref)
(hooks/setup-keyboard alt? ctrl? space?)
(hooks/setup-hover-shapes page-id move-stream base-objects transform selected ctrl? hover hover-ids @hover-disabled? zoom)
(hooks/setup-viewport-modifiers modifiers base-objects)
(hooks/setup-shortcuts node-editing? drawing-path?)
(hooks/setup-active-frames base-objects vbox hover active-frames)
[:div.viewport
[:div.viewport-overlays
[:& wtr/frame-renderer {:objects base-objects
:background background}]
(when show-comments?
[:& comments/comments-layer {:vbox vbox
:vport vport
:zoom zoom
:drawing drawing
:page-id page-id
:file-id (:id file)}])
(when picking-color?
[:& pixel-overlay/pixel-overlay {:vport vport
:vbox vbox
:options options
:layout layout
:viewport-ref viewport-ref}])
[:& widgets/viewport-actions]]
[:svg.render-shapes
{:id "render"
:xmlns "http://www.w3.org/2000/svg"
:xmlnsXlink "http://www.w3.org/1999/xlink"
:xmlns:penpot "https://penpot.app/xmlns"
:preserveAspectRatio "xMidYMid meet"
:key (str "render" page-id)
:width (:width vport 0)
:height (:height vport 0)
:view-box (utils/format-viewbox vbox)
:style {:background-color background
:pointer-events "none"}}
[:& use/export-page {:options options}]
[:& (mf/provider use/include-metadata-ctx) {:value false}
[:& (mf/provider embed/context) {:value true}
;; Render root shape
[:& shapes/root-shape {:key page-id
:objects base-objects
:active-frames @active-frames}]]]]
[:svg.viewport-controls
{:xmlns "http://www.w3.org/2000/svg"
:xmlnsXlink "http://www.w3.org/1999/xlink"
:preserveAspectRatio "xMidYMid meet"
:key (str "viewport" page-id)
:width (:width vport 0)
:height (:height vport 0)
:view-box (utils/format-viewbox vbox)
:ref viewport-ref
:class (when drawing-tool "drawing")
:style {:cursor @cursor}
:on-click on-click
:on-context-menu on-context-menu
:on-double-click on-double-click
:on-drag-enter on-drag-enter
:on-drag-over on-drag-over
:on-drop on-drop
:on-mouse-down on-mouse-down
:on-mouse-up on-mouse-up
:on-pointer-down on-pointer-down
:on-pointer-enter on-pointer-enter
:on-pointer-leave on-pointer-leave
:on-pointer-move on-pointer-move
:on-pointer-up on-pointer-up}
[:g {:style {:pointer-events (if disable-events? "none" "auto")}}
(when show-outlines?
[:& outline/shape-outlines
{:objects base-objects
:selected selected
:hover (when (not= :frame (:type @hover))
#{(or @frame-hover (:id @hover))})
:edition edition
:zoom zoom}])
(when show-selection-handlers?
[:& selection/selection-handlers
{:selected selected
:shapes selected-shapes
:zoom zoom
:edition edition
:disable-handlers (or drawing-tool edition)
:on-move-selected on-move-selected}])
(when show-measures?
[:& msr/measurement
{:bounds vbox
:selected-shapes selected-shapes
:frame selected-frame
:hover-shape @hover
:zoom zoom}])
(when text-editing?
[:& editor/text-shape-edit {:shape (get base-objects edition)}])
[:& widgets/frame-titles
{:objects objects-modified
:selected selected
:zoom zoom
:modifiers modifiers
:on-frame-enter on-frame-enter
:on-frame-leave on-frame-leave
:on-frame-select on-frame-select}]
(when show-prototypes?
[:& widgets/frame-flows
{:flows (:flows options)
:objects base-objects
:selected selected
:zoom zoom
:modifiers modifiers
:on-frame-enter on-frame-enter
:on-frame-leave on-frame-leave
:on-frame-select on-frame-select}])
(when show-gradient-handlers?
[:& gradients/gradient-handlers
{:id (first selected)
:zoom zoom}])
(when show-draw-area?
[:& drawarea/draw-area
{:shape drawing-obj
:zoom zoom
:tool drawing-tool
:modifiers modifiers}])
(when show-grids?
[:& frame-grid/frame-grid
{:zoom zoom :selected selected :transform transform}])
(when show-pixel-grid?
[:& widgets/pixel-grid
{:vbox vbox
:zoom zoom}])
(when show-snap-points?
[:& snap-points/snap-points
{:layout layout
:transform transform
:drawing drawing-obj
:zoom zoom
:page-id page-id
:selected selected
:objects base-objects
:modifiers modifiers}])
(when show-snap-distance?
[:& snap-distances/snap-distances
{:layout layout
:zoom zoom
:transform transform
:selected selected
:page-id page-id}])
(when show-cursor-tooltip?
[:& widgets/cursor-tooltip
{:zoom zoom
:tooltip tooltip}])
(when show-presence?
[:& presence/active-cursors
{:page-id page-id}])
[:& widgets/viewport-actions]
(when show-prototypes?
[:& interactions/interactions
{:selected selected
:hover-disabled? hover-disabled?}])
(when show-selrect?
[:& widgets/selection-rect {:data selrect
:zoom zoom}])]]]))