Files
logseq/web/src/main/frontend/extensions/code.cljs
2020-10-09 16:45:05 +08:00

130 lines
5.7 KiB
Clojure

(ns frontend.extensions.code
(:require [rum.core :as rum]
[frontend.config :as config]
[frontend.util :as util]
[frontend.mixins :as mixins]
[goog.dom :as gdom]
[goog.object :as gobj]
[frontend.db :as db]
[frontend.state :as state]
[frontend.handler.editor :as editor-handler]
[frontend.handler.file :as file-handler]
[clojure.string :as string]
[frontend.utf8 :as utf8]
["codemirror" :as cm]
["codemirror/addon/edit/matchbrackets"]
["codemirror/addon/edit/closebrackets"]
["codemirror/mode/clojure/clojure"]
["codemirror/mode/javascript/javascript"]
["codemirror/mode/commonlisp/commonlisp"]
["codemirror/mode/coffeescript/coffeescript"]
["codemirror/mode/css/css"]
["codemirror/mode/dart/dart"]
["codemirror/mode/dockerfile/dockerfile"]
["codemirror/mode/elm/elm"]
["codemirror/mode/erlang/erlang"]
["codemirror/mode/go/go"]
["codemirror/mode/haskell/haskell"]
["codemirror/mode/lua/lua"]
["codemirror/mode/mathematica/mathematica"]
["codemirror/mode/perl/perl"]
["codemirror/mode/php/php"]
["codemirror/mode/python/python"]
["codemirror/mode/ruby/ruby"]
["codemirror/mode/rust/rust"]
["codemirror/mode/scheme/scheme"]
["codemirror/mode/shell/shell"]
["codemirror/mode/smalltalk/smalltalk"]
["codemirror/mode/sql/sql"]
["codemirror/mode/swift/swift"]
["codemirror/mode/xml/xml"]
["parinfer-codemirror" :as par-cm]))
;; codemirror
(def from-text-area (gobj/get cm "fromTextArea"))
(defn render!
[state]
(let [[config id attr code pos_meta] (:rum/args state)
original-mode (get attr :data-lang)
mode (or original-mode "javascript")
clojure? (contains? #{"clojure" "clj"} mode)
mode (if clojure? "clojure" mode)
lisp? (contains? #{"clojure" "scheme" "racket" "lisp"} mode)
textarea (gdom/getElement id)
editor (from-text-area textarea
#js {:mode mode
:matchBrackets lisp?
:autoCloseBrackets true
:lineNumbers true})
element (.getWrapperElement editor)]
(.on editor "blur" (fn []
(.save editor)
(let [value (gobj/get textarea "value")
default-value (gobj/get textarea "defaultValue")]
(cond
(:block/uuid config)
(let [block (db/pull [:block/uuid (:block/uuid config)])
format (:block/format block)
;; Get newest state
pos-meta (::pos-meta state)
{:keys [start_pos end_pos]} @pos-meta
value (str (string/trimr value) "\n")
content (:block/content block)
content' (utf8/insert! content
start_pos
end_pos
value)]
(reset! pos-meta {:start_pos start_pos
:end_pos (+ start_pos
(utf8/length (utf8/encode value)))})
(editor-handler/save-block-if-changed! block content'))
(:file-path config)
(let [path (:file-path config)
content (db/get-file-no-sub path)
value (some-> (gdom/getElement path)
(gobj/get "value"))]
(when (and
(not (string/blank? value))
(not= (string/trim value) (string/trim content)))
(file-handler/alter-file (state/get-current-repo) path (string/trim value)
{:re-render-root? true})))
:else
nil))))
(.addEventListener element "click"
(fn [e]
(util/stop e)))
(.save editor)
(.refresh editor)
(when clojure?
(par-cm/init editor))
editor))
(defn- load-and-render!
[state]
(let [editor (render! state)]
(assoc state ::editor editor)))
(rum/defcs editor < rum/reactive
{:init (fn [state]
(assoc state ::pos-meta (atom (last (:rum/args state)))))
:did-mount (fn [state]
(load-and-render! state))
:did-update (fn [state]
(when-let [editor (::editor state)]
(let [code (nth (:rum/args state) 3)]
(.setValue (.getDoc editor) code)))
(when-let [pos-meta (::pos-meta state)]
(reset! pos-meta (last (:rum/args state)))))}
[state config id attr code pos_meta]
[:div.relative.fixed-width
[:div.absolute.top-0.right-0.p-1.text-sm.text-gray-500
{:style {:z-index 1000
:background "white"}}
(get attr :data-lang "javascript")]
[:textarea (merge {:id id
:default-value code} attr)]])