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54 lines
1.6 KiB
Clojure
54 lines
1.6 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.movement
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"Shape movement in workspace logic."
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(:require-macros [uxbox.util.syntax :refer [define-once]])
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(:require [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.state :as st]
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[uxbox.ui.core :as uuc]
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[uxbox.ui.workspace.base :as wb]
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[uxbox.data.shapes :as uds]
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[uxbox.util.geom.point :as gpt]))
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(declare initialize)
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(declare handle-movement)
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;; --- Public Api
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(defn watch-move-actions
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[]
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(as-> uuc/actions-s $
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(rx/filter #(= "ui.shape.move" (:type %)) $)
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(rx/on-value $ initialize)))
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;; --- Implementation
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(defn- initialize
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[]
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(let [stoper (->> uuc/actions-s
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(rx/map :type)
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(rx/filter empty?)
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(rx/take 1))]
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(as-> wb/mouse-delta-s $
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(rx/take-until stoper $)
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(rx/on-value $ handle-movement))))
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(defn- handle-movement
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[delta]
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(let [pageid (get-in @st/state [:workspace :page])
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selected (get-in @st/state [:workspace :selected])
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shapes (->> (vals @wb/shapes-by-id-l)
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(filter #(= (:page %) pageid))
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(filter (comp selected :id)))
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delta (gpt/divide delta @wb/zoom-l)]
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(doseq [{:keys [id group]} shapes]
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(rs/emit! (uds/move-shape id delta)))))
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