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102 lines
3.9 KiB
Clojure
102 lines
3.9 KiB
Clojure
;; This Source Code Form is subject to the terms of the Mozilla Public
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;; License, v. 2.0. If a copy of the MPL was not distributed with this
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;; file, You can obtain one at http://mozilla.org/MPL/2.0/.
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;;
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;; Copyright (c) 2015-2016 Andrey Antukh <niwi@niwi.nz>
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;; Copyright (c) 2015-2016 Juan de la Cruz <delacruzgarciajuan@gmail.com>
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(ns uxbox.ui.workspace.canvas.draw
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(:require-macros [uxbox.util.syntax :refer [define-once]])
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(:require [sablono.core :as html :refer-macros [html]]
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[rum.core :as rum]
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[beicon.core :as rx]
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[lentes.core :as l]
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[uxbox.rstore :as rs]
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[uxbox.shapes :as ush]
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[uxbox.data.workspace :as udw]
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[uxbox.data.shapes :as uds]
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[uxbox.ui.core :as uuc]
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[uxbox.ui.shapes.core :as uusc]
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[uxbox.ui.workspace.base :as wb]
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[uxbox.ui.mixins :as mx]
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[uxbox.util.geom.point :as gpt]
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[uxbox.util.dom :as dom]))
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(defonce +drawing-shape+ (atom nil))
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(defonce +drawing-position+ (atom nil))
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; Component
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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(defn- draw-area-render
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[own]
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(let [shape (rum/react +drawing-shape+)
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position (rum/react +drawing-position+)]
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(when shape
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(-> (assoc shape :drawing? true)
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(ush/resize position)
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(uusc/render-shape identity)))))
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(def ^:static draw-area
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(mx/component
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{:render draw-area-render
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:name "draw-area"
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:mixins [mx/static rum/reactive]}))
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; Subscriptions
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; FIXME: this works for now, but should be refactored when advanced rendering
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;; is introduced such as polyline, polygon and path.
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(define-once :drawing-subscriptions
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(letfn [(init-shape [shape]
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(let [{:keys [x y] :as point} @wb/mouse-canvas-a
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shape (ush/initialize shape {:x1 x :y1 y :x2 x :y2 y})]
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(reset! +drawing-shape+ shape)
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(reset! +drawing-position+ (assoc point :lock false))
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(let [stoper (->> uuc/actions-s
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(rx/map :type)
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(rx/filter #(not= % :shape/movement))
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(rx/take 1))]
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(as-> wb/mouse-canvas-s $
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(rx/take-until stoper $)
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(rx/with-latest-from vector wb/mouse-ctrl-s $)
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(rx/subscribe $ on-value nil on-complete)))))
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(on-value [[point ctrl?]]
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(reset! +drawing-position+ (assoc point :lock ctrl?)))
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(on-complete []
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(let [shape @+drawing-shape+
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shpos @+drawing-position+
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shape (ush/resize shape shpos)]
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(rs/emit! (uds/add-shape shape)
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(udw/select-for-drawing nil))
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(reset! +drawing-position+ nil)
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(reset! +drawing-shape+ nil)))
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(init-icon [shape]
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(let [{:keys [x y]} @wb/mouse-canvas-a
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props {:x1 x :y1 y :x2 (+ x 100) :y2 (+ y 100)}
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shape (ush/initialize shape props)]
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(rs/emit! (uds/add-shape shape)
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(udw/select-for-drawing nil))))
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(init []
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(when-let [shape (:drawing @wb/workspace-l)]
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(case (:type shape)
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:builtin/icon (init-icon shape)
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:builtin/text (init-shape shape)
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:builtin/rect (init-shape shape)
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:builtin/circle (init-shape shape)
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:builtin/line (init-shape shape))))]
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(as-> uuc/actions-s $
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(rx/map :type $)
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(rx/dedupe $)
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(rx/filter #(= :draw/shape %) $)
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(rx/on-value $ init))))
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