penpot/frontend/src/uxbox/main/ui/shapes/text.cljs
2020-01-09 13:42:13 +01:00

140 lines
4.2 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) 2016-2019 Andrey Antukh <niwi@niwi.nz>
(ns uxbox.main.ui.shapes.text
(:require
[cuerdas.core :as str]
[goog.events :as events]
[lentes.core :as l]
[rumext.core :as mx]
[rumext.alpha :as mf]
[uxbox.main.data.workspace :as udw]
[uxbox.main.geom :as geom]
[uxbox.main.refs :as refs]
[uxbox.main.store :as st]
[uxbox.main.ui.shapes.attrs :as attrs]
[uxbox.main.ui.shapes.common :as common]
[uxbox.util.color :as color]
[uxbox.util.dom :as dom]
[uxbox.util.geom.matrix :as gmt]))
;; --- Events
(defn handle-mouse-down
[event {:keys [id group] :as shape} selected]
(if (and (not (:blocked shape))
(or @refs/selected-drawing-tool
@refs/selected-edition))
(dom/stop-propagation event)
(common/on-mouse-down event shape selected)))
;; --- Text Wrapper
(declare text-shape-html)
(declare text-shape-edit)
(declare text-shape)
(mf/defc text-wrapper
[{:keys [shape] :as props}]
(let [{:keys [id x1 y1 content group]} shape
selected (mf/deref refs/selected-shapes)
edition (mf/deref refs/selected-edition)
edition? (= edition id)
selected? (and (contains? selected id)
(= (count selected) 1))]
(letfn [(on-mouse-down [event]
(handle-mouse-down event shape selected))
(on-double-click [event]
(dom/stop-propagation event)
(st/emit! (udw/start-edition-mode id)))]
[:g.shape {:class (when selected? "selected")
:on-double-click on-double-click
:on-mouse-down on-mouse-down}
(if edition?
[:& text-shape-edit {:shape shape}]
[:& text-shape {:shape shape}])])))
;; --- Text Styles Helpers
(defn- make-style
[{:keys [fill-color
fill-opacity
font-family
font-weight
font-style
font-size
text-align
line-height
letter-spacing
user-select
width
height]
:or {fill-color "#000000"
fill-opacity 1
font-family "sourcesanspro"
font-weight "normal"
font-style "normal"
font-size 18
line-height 1.4
letter-spacing 1
text-align "left"
user-select false}
:as shape}]
(let [color (-> fill-color
(color/hex->rgba fill-opacity)
(color/rgb->str))]
(rumext.util/map->obj
(merge
{:fontSize (str font-size "px")
:color color
:width width
:height height
:whiteSpace "pre-wrap"
:textAlign text-align
:fontFamily font-family
:fontWeight font-weight
:fontStyle font-style
:margin "0px"
:padding "0px"
:border "0px"
:resize "none"
:background "transparent"}
(when user-select {:userSelect "auto"})
(when line-height {:lineHeight line-height})
(when letter-spacing {:letterSpacing letter-spacing})))))
;; --- Text Shape Edit
(mf/defc text-shape-edit
[{:keys [shape] :as props}]
(let [ref (mf/use-ref)
{:keys [id x y width height content]} shape]
(mf/use-effect
#(fn []
(let [content (-> (mf/ref-val ref)
(dom/get-value))]
(st/emit! (udw/update-shape id {:content content})))))
[:foreignObject {:x x :y y :width width :height height}
[:textarea {:style (make-style shape)
:default-value content
:ref ref}]]))
;; --- Text Shape Wrapper
(mf/defc text-shape
[{:keys [shape] :as props}]
(let [{:keys [id rotation modifier-mtx]} shape
shape (cond
(gmt/matrix? modifier-mtx) (geom/transform shape modifier-mtx)
:else shape)
{:keys [x y width height content]} shape]
[:foreignObject {:x x
:y y
:id (str id)
:width width
:height height}
[:div {:style (make-style shape)} content]]))