Files
logseq/src/main/frontend/components/editor.cljs
2020-12-02 11:11:27 +08:00

758 lines
35 KiB
Clojure

(ns frontend.components.editor
(:require [rum.core :as rum]
[frontend.components.svg :as svg]
[frontend.config :as config]
[frontend.handler.editor :as editor-handler :refer [get-state]]
[frontend.util :as util :refer-macros [profile]]
[frontend.handler.file :as file]
[frontend.handler.page :as page-handler]
[frontend.components.datetime :as datetime-comp]
[promesa.core :as p]
[frontend.state :as state]
[frontend.mixins :as mixins]
[frontend.ui :as ui]
[frontend.db :as db]
[frontend.config :as config]
[dommy.core :as d]
[goog.object :as gobj]
[goog.dom :as gdom]
[clojure.string :as string]
[clojure.set :as set]
[frontend.commands :as commands
:refer [*show-commands
*matched-commands
*slash-caret-pos
*angle-bracket-caret-pos
*matched-block-commands
*show-block-commands]]
[medley.core :as medley]
[cljs-drag-n-drop.core :as dnd]
[frontend.text :as text]
["/frontend/utils" :as utils]))
(rum/defc commands < rum/reactive
[id format]
(when (and (util/react *show-commands)
@*slash-caret-pos
(not (state/sub :editor/show-page-search?))
(not (state/sub :editor/show-block-search?))
(not (state/sub :editor/show-template-search?))
(not (state/sub :editor/show-input))
(not (state/sub :editor/show-date-picker?)))
(let [matched (util/react *matched-commands)]
(ui/auto-complete
(map first matched)
{:on-chosen (fn [chosen]
(reset! commands/*current-command chosen)
(let [command-steps (get (into {} matched) chosen)
restore-slash? (or
(contains? #{"Today" "Yesterday" "Tomorrow"} chosen)
(and
(not (fn? command-steps))
(not (contains? (set (map first command-steps)) :editor/input))
(not (contains? #{"Date Picker" "Template" "Deadline" "Scheduled"} chosen))))]
(editor-handler/insert-command! id command-steps
format
{:restore? restore-slash?})))
:class "black"}))))
(rum/defc block-commands < rum/reactive
[id format]
(when (and (util/react *show-block-commands)
@*angle-bracket-caret-pos)
(let [matched (util/react *matched-block-commands)]
(ui/auto-complete
(map first matched)
{:on-chosen (fn [chosen]
(editor-handler/insert-command! id (get (into {} matched) chosen)
format
{:last-pattern commands/angle-bracket}))
:class "black"}))))
(rum/defc page-search < rum/reactive
{:will-unmount (fn [state] (reset! editor-handler/*selected-text nil) state)}
[id format]
(when (state/sub :editor/show-page-search?)
(let [pos (:editor/last-saved-cursor @state/state)
input (gdom/getElement id)]
(when input
(let [current-pos (:pos (util/get-caret-pos input))
edit-content (state/sub [:editor/content id])
edit-block (state/sub :editor/block)
q (or
@editor-handler/*selected-text
(when (state/sub :editor/show-page-search-hashtag?)
(util/safe-subs edit-content pos current-pos))
(when (> (count edit-content) current-pos)
(util/safe-subs edit-content pos current-pos)))
matched-pages (when-not (string/blank? q)
(editor-handler/get-matched-pages q))
chosen-handler (if (state/sub :editor/show-page-search-hashtag?)
(fn [chosen _click?]
(state/set-editor-show-page-search! false)
(let [chosen (if (re-find #"\s+" chosen)
(util/format "[[%s]]" chosen)
chosen)]
(editor-handler/insert-command! id
(str "#" chosen)
format
{:last-pattern (str "#" (if @editor-handler/*selected-text "" q))})))
(fn [chosen _click?]
(state/set-editor-show-page-search! false)
(let [page-ref-text (page-handler/get-page-ref-text chosen)]
(editor-handler/insert-command! id
page-ref-text
format
{:last-pattern (str "[[" (if @editor-handler/*selected-text "" q))
:postfix-fn (fn [s] (util/replace-first "]]" s ""))}))))
non-exist-page-handler (fn [_state]
(state/set-editor-show-page-search! false)
(if (state/org-mode-file-link? (state/get-current-repo))
(let [page-ref-text (page-handler/get-page-ref-text q)
value (gobj/get input "value")
old-page-ref (util/format "[[%s]]" q)
new-value (string/replace value
old-page-ref
page-ref-text)]
(state/set-edit-content! id new-value)
(let [new-pos (+ current-pos
(- (count page-ref-text)
(count old-page-ref))
2)]
(util/move-cursor-to input new-pos)))
(util/cursor-move-forward input 2)))]
(ui/auto-complete
matched-pages
{:on-chosen chosen-handler
:on-enter non-exist-page-handler
:empty-div [:div.text-gray-500.pl-4.pr-4 "Search for a page"]
:class "black"}))))))
(rum/defc block-search < rum/reactive
{:will-unmount (fn [state] (reset! editor-handler/*selected-text nil) state)}
[id format]
(when (state/sub :editor/show-block-search?)
(let [pos (:editor/last-saved-cursor @state/state)
input (gdom/getElement id)]
(when input
(let [current-pos (:pos (util/get-caret-pos input))
edit-content (state/sub [:editor/content id])
q (or
@editor-handler/*selected-text
(when (> (count edit-content) current-pos)
(subs edit-content pos current-pos)))
matched-blocks (when-not (string/blank? q)
(editor-handler/get-matched-blocks q))
chosen-handler (fn [chosen _click?]
(state/set-editor-show-block-search! false)
(let [uuid-string (str (:block/uuid chosen))]
;; block reference
(editor-handler/insert-command! id
(util/format "((%s))" uuid-string)
format
{:last-pattern (str "((" (if @editor-handler/*selected-text "" q))
:postfix-fn (fn [s] (util/replace-first "))" s ""))})
;; Save it so it'll be parsed correctly in the future
(editor-handler/set-block-property! (:block/uuid chosen)
"ID"
uuid-string)
(when-let [input (gdom/getElement id)]
(.focus input))))
non-exist-block-handler (fn [_state]
(state/set-editor-show-block-search! false)
(util/cursor-move-forward input 2))]
(ui/auto-complete
matched-blocks
{:on-chosen chosen-handler
:on-enter non-exist-block-handler
:empty-div [:div.text-gray-500.pl-4.pr-4 "Search for a block"]
:item-render (fn [{:block/keys [content]}]
(subs content 0 64))
:class "black"}))))))
(rum/defc template-search < rum/reactive
{:will-unmount (fn [state] (reset! editor-handler/*selected-text nil) state)}
[id format]
(when (state/sub :editor/show-template-search?)
(let [pos (:editor/last-saved-cursor @state/state)
input (gdom/getElement id)]
(when input
(let [current-pos (:pos (util/get-caret-pos input))
edit-content (state/sub [:editor/content id])
edit-block (state/sub :editor/block)
q (or
(when (>= (count edit-content) current-pos)
(subs edit-content pos current-pos))
"")
matched-templates (editor-handler/get-matched-templates q)
chosen-handler (fn [[template db-id] _click?]
(if-let [block (db/entity db-id)]
(let [new-level (:block/level edit-block)
template-parent-level (:block/level block)
pattern (config/get-block-pattern format)
content
(db/get-block-full-content
(state/get-current-repo)
(:block/uuid block)
(fn [{:block/keys [level content properties] :as block}]
(let [new-level (+ new-level (- level template-parent-level))
properties' (dissoc (into {} properties) "id" "custom_id" "template")]
(-> content
(string/replace-first (apply str (repeat level pattern))
(apply str (repeat new-level pattern)))
text/remove-properties!
(text/rejoin-properties properties')))))
content (if (string/includes? (string/trim edit-content) "\n")
content
(text/remove-level-spaces content format))]
(state/set-editor-show-template-search! false)
(editor-handler/insert-command! id
content
format
{})))
(when-let [input (gdom/getElement id)]
(.focus input)))
non-exist-handler (fn [_state]
(state/set-editor-show-template-search! false))]
(ui/auto-complete
matched-templates
{:on-chosen chosen-handler
:on-enter non-exist-handler
:empty-div [:div.text-gray-500.pl-4.pr-4 "Search for a template"]
:item-render (fn [[template _block-db-id]]
template)
:class "black"}))))))
(rum/defc mobile-bar < rum/reactive
[parent-state parent-id]
[:div#mobile-editor-toolbar.bg-base-2.fix-ios-fixed-bottom
[:button.bottom-action
{:on-click #(editor-handler/adjust-block-level! parent-state :right)}
svg/indent-block]
[:button.bottom-action
{:on-click #(editor-handler/adjust-block-level! parent-state :left)}
svg/outdent-block]
[:button.bottom-action
{:on-click #(editor-handler/move-up-down % true)}
svg/move-up-block]
[:button.bottom-action
{:on-click #(editor-handler/move-up-down % false)}
svg/move-down-block]
[:button.bottom-action
{:on-click #(commands/simple-insert! parent-id "\n" {})}
svg/multi-line-input]
[:button.font-extrabold.bottom-action.-mt-1
{:on-click #(commands/simple-insert! parent-id "[[]]" {:backward-pos 2})}
"[[]]"]
[:button.font-extrabold.bottom-action.-mt-1
{:on-click #(commands/simple-insert! parent-id "(())" {:backward-pos 2})}
"(())"]])
(rum/defcs input < rum/reactive
(rum/local {} ::input-value)
(mixins/event-mixin
(fn [state]
(mixins/on-key-down
state
{;; enter
13 (fn [state e]
(let [input-value (get state ::input-value)
input-option (get @state/state :editor/show-input)]
(when (seq @input-value)
;; no new line input
(util/stop e)
(let [[_id on-submit] (:rum/args state)
{:keys [pos]} @*slash-caret-pos
command (:command (first input-option))]
(on-submit command @input-value pos))
(reset! input-value nil))))})))
{:did-update
(fn [state]
(when-let [show-input (state/get-editor-show-input)]
(let [id (str "modal-input-"
(name (:id (first show-input))))
first-input (gdom/getElement id)]
(when (and first-input
(not (d/has-class? first-input "focused")))
(.focus first-input)
(d/add-class! first-input "focused"))))
state)}
[state id on-submit]
(when-let [input-option (state/sub :editor/show-input)]
(let [{:keys [pos]} (util/react *slash-caret-pos)
input-value (get state ::input-value)]
(when (seq input-option)
(let [command (:command (first input-option))]
[:div.p-2.mt-2.rounded-md.shadow-sm.bg-base-2
(for [{:keys [id placeholder type] :as input-item} input-option]
[:div.my-3
[:input.form-input.block.w-full.pl-2.sm:text-sm.sm:leading-5
(merge
(cond->
{:key (str "modal-input-" (name id))
:id (str "modal-input-" (name id))
:type (or type "text")
:on-change (fn [e]
(swap! input-value assoc id (util/evalue e)))
:auto-complete (if (util/chrome?) "chrome-off" "off")}
placeholder
(assoc :placeholder placeholder))
(dissoc input-item :id))]])
(ui/button
"Submit"
:on-click
(fn [e]
(util/stop e)
(on-submit command @input-value pos)))])))))
(rum/defc absolute-modal < rum/static
[cp set-default-width? {:keys [top left]}]
[:div.absolute.rounded-md.shadow-lg.absolute-modal
{:style (merge
{:top (+ top 24)
:max-height 600
:z-index 11}
(if set-default-width?
{:width 400})
(if config/mobile?
{:left 0}
{:left left}))}
cp])
(rum/defc transition-cp < rum/reactive
[cp set-default-width? pos]
(when pos
(when-let [pos (rum/react pos)]
(ui/css-transition
{:class-names "fade"
:timeout {:enter 500
:exit 300}}
(absolute-modal cp set-default-width? pos)))))
(rum/defc image-uploader < rum/reactive
[id format]
[:div.image-uploader
[:input
{:id "upload-file"
:type "file"
:on-change (fn [e]
(let [files (.-files (.-target e))]
(editor-handler/upload-image id files format editor-handler/*image-uploading? false)))
:hidden true}]
(when-let [uploading? (util/react editor-handler/*image-uploading?)]
(let [processing (util/react editor-handler/*image-uploading-process)]
(transition-cp
[:div.flex.flex-row.align-center.rounded-md.shadow-sm.bg-base-2.pl-1.pr-1
[:span.lds-dual-ring.mr-2]
[:span {:style {:margin-top 2}}
(util/format "Uploading %s%" (util/format "%2d" processing))]]
false
*slash-caret-pos)))])
(rum/defcs box < rum/reactive
(mixins/event-mixin
(fn [state]
(let [{:keys [id format block]} (get-state state)
input-id id
input (gdom/getElement input-id)
repo (:block/repo block)]
(mixins/on-key-down
state
{;; enter
13 (fn [state e]
(when (and (not (gobj/get e "ctrlKey"))
(not (gobj/get e "metaKey"))
(not (editor-handler/in-auto-complete? input)))
(let [{:keys [block config]} (get-state state)]
(when (and block
(not (:ref? config))
(not (:custom-query? config))) ; in reference section
(let [content (state/get-edit-content)]
(if (and
(> (:block/level block) 2)
(string/blank? content))
(do
(util/stop e)
(editor-handler/adjust-block-level! state :left))
(let [shortcut (state/get-new-block-shortcut)
insert? (cond
config/mobile?
true
(and (= shortcut "alt+enter") (not (gobj/get e "altKey")))
false
(gobj/get e "shiftKey")
false
:else
true)]
(when (and
insert?
(not (editor-handler/in-auto-complete? input)))
(util/stop e)
(profile
"Insert block"
(editor-handler/insert-new-block! state))))))))))
;; up
38 (fn [state e]
(when (and
(not (gobj/get e "ctrlKey"))
(not (gobj/get e "metaKey"))
(not (editor-handler/in-auto-complete? input)))
(editor-handler/on-up-down state e true)))
;; down
40 (fn [state e]
(when (and
(not (gobj/get e "ctrlKey"))
(not (gobj/get e "metaKey"))
(not (editor-handler/in-auto-complete? input)))
(editor-handler/on-up-down state e false)))
;; backspace
8 (fn [state e]
(let [node (gdom/getElement input-id)
current-pos (:pos (util/get-caret-pos node))
value (gobj/get node "value")
deleted (and (> current-pos 0)
(util/nth-safe value (dec current-pos)))
selected-start (gobj/get node "selectionStart")
selected-end (gobj/get node "selectionEnd")
block-id (:block-id (first (:rum/args state)))
page (state/get-current-page)]
(cond
(not= selected-start selected-end)
nil
(and (zero? current-pos)
;; not the top block in a block page
(not (and page
(util/uuid-string? page)
(= (medley/uuid page) block-id))))
(editor-handler/delete-block! state repo e)
(and (> current-pos 1)
(= (util/nth-safe value (dec current-pos)) commands/slash))
(do
(reset! *slash-caret-pos nil)
(reset! *show-commands false))
(and (> current-pos 1)
(= (util/nth-safe value (dec current-pos)) commands/angle-bracket))
(do
(reset! *angle-bracket-caret-pos nil)
(reset! *show-block-commands false))
;; pair
(and
deleted
(contains?
(set (keys editor-handler/delete-map))
deleted)
(>= (count value) (inc current-pos))
(= (util/nth-safe value current-pos)
(get editor-handler/delete-map deleted)))
(do
(util/stop e)
(commands/delete-pair! id)
(cond
(and (= deleted "[") (state/get-editor-show-page-search?))
(state/set-editor-show-page-search! false)
(and (= deleted "(") (state/get-editor-show-block-search?))
(state/set-editor-show-block-search! false)
:else
nil))
;; deleting hashtag
(and (= deleted "#") (state/get-editor-show-page-search-hashtag?))
(state/set-editor-show-page-search-hashtag! false)
:else
nil)))
;; tab
9 (fn [state e]
(let [input-id (state/get-edit-input-id)
input (and input-id (gdom/getElement id))
pos (and input (:pos (util/get-caret-pos input)))]
(when-not (state/get-editor-show-input)
(util/stop e)
(let [direction (if (gobj/get e "shiftKey") ; shift+tab move to left
:left
:right)]
(p/let [_ (editor-handler/adjust-block-level! state direction)]
(and input pos (js/setTimeout #(when-let [input (gdom/getElement input-id)]
(util/move-cursor-to input pos))
0)))))))}
{:not-matched-handler
(fn [e key-code]
(let [key (gobj/get e "key")
value (gobj/get input "value")
pos (:pos (util/get-caret-pos input))]
(cond
(or
(and (= key "#")
(and
(> pos 0)
(= "#" (util/nth-safe value (dec pos)))))
(and (= key " ")
(state/get-editor-show-page-search-hashtag?)))
(state/set-editor-show-page-search-hashtag! false)
(or
(editor-handler/surround-by? input "#" " ")
(editor-handler/surround-by? input "#" :end)
(= key "#"))
(do
(commands/handle-step [:editor/search-page-hashtag])
(state/set-last-pos! (:pos (util/get-caret-pos input)))
(reset! commands/*slash-caret-pos (util/get-caret-pos input)))
(and
(= key " ")
(state/get-editor-show-page-search-hashtag?))
(state/set-editor-show-page-search-hashtag! false)
(and
(contains? (set/difference (set (keys editor-handler/reversed-autopair-map))
#{"`"})
key)
(= (editor-handler/get-current-input-char input) key))
(do
(util/stop e)
(util/cursor-move-forward input 1))
(contains? (set (keys editor-handler/autopair-map)) key)
(do
(util/stop e)
(editor-handler/autopair input-id key format nil)
(cond
(editor-handler/surround-by? input "[[" "]]")
(do
(commands/handle-step [:editor/search-page])
(reset! commands/*slash-caret-pos (util/get-caret-pos input)))
(editor-handler/surround-by? input "((" "))")
(do
(commands/handle-step [:editor/search-block :reference])
(reset! commands/*slash-caret-pos (util/get-caret-pos input)))
:else
nil))
(let [sym "$"]
(and (= key sym)
(>= (count value) 1)
(> pos 0)
(= (nth value (dec pos)) sym)
(if (> (count value) pos)
(not= (nth value pos) sym)
true)))
(commands/simple-insert! input-id "$$" {:backward-pos 2})
(let [sym "^"]
(and (= key sym)
(>= (count value) 1)
(> pos 0)
(= (nth value (dec pos)) sym)
(if (> (count value) pos)
(not= (nth value pos) sym)
true)))
(commands/simple-insert! input-id "^^" {:backward-pos 2})
:else
nil)))})
(mixins/on-key-up
state
{}
(fn [e key-code]
(let [k (gobj/get e "key")
format (:format (get-state state))]
(when-not (state/get-editor-show-input)
(when (and @*show-commands (not= key-code 191)) ; not /
(let [matched-commands (editor-handler/get-matched-commands input)]
(if (seq matched-commands)
(do
(cond
(= key-code 9) ;tab
(when @*show-commands
(util/stop e)
(editor-handler/insert-command! input-id
(last (first matched-commands))
format
nil))
:else
(do
(reset! *show-commands true)
(reset! *matched-commands matched-commands))))
(reset! *show-commands false))))
(when (and @*show-block-commands (not= key-code 188)) ; not <
(let [matched-block-commands (editor-handler/get-matched-block-commands input)]
(if (seq matched-block-commands)
(cond
(= key-code 9) ;tab
(when @*show-block-commands
(util/stop e)
(editor-handler/insert-command! input-id
(last (first matched-block-commands))
format
{:last-pattern commands/angle-bracket}))
:else
(reset! *matched-block-commands matched-block-commands))
(reset! *show-block-commands false))))
(editor-handler/close-autocomplete-if-outside input))))))))
{:did-mount (fn [state]
(let [[{:keys [dummy? format block-parent-id]} id] (:rum/args state)
content (get-in @state/state [:editor/content id])]
(when block-parent-id
(state/set-editing-block-dom-id! block-parent-id))
(editor-handler/restore-cursor-pos! id content dummy?)
(when-let [input (gdom/getElement id)]
(dnd/subscribe!
input
:upload-images
{:drop (fn [e files]
(editor-handler/upload-image id files format editor-handler/*image-uploading? true))}))
;; Here we delay this listener, otherwise the click to edit event will trigger a outside click event,
;; which will hide the editor so no way for editing.
(js/setTimeout
(fn []
(mixins/hide-when-esc-or-outside
state
:on-hide
(fn [state e event]
(let [target (.-target e)]
(if (d/has-class? target "bottom-action") ;; FIXME: not particular case
(.preventDefault e)
(let [{:keys [on-hide format value block id repo dummy?]} (get-state state)]
(when on-hide
(on-hide value event))
(when
(or (= event :esc)
(= event :visibilitychange)
(and (= event :click)
(not (editor-handler/in-auto-complete? (gdom/getElement id)))))
(state/clear-edit!))))))
:node (gdom/getElement id)
;; :visibilitychange? true
))
100)
(when-let [element (gdom/getElement id)]
(.focus element)))
state)
:will-unmount (fn [state]
(let [{:keys [id value format block repo dummy? config]} (get-state state)
file? (:file? config)]
(when-let [input (gdom/getElement id)]
;; (.removeEventListener input "paste" (fn [event]
;; (append-paste-doc! format event)))
(let [s (str "cljs-drag-n-drop." :upload-images)
a (gobj/get input s)
timer (:timer a)]
(and timer
(dnd/unsubscribe!
input
:upload-images))))
(editor-handler/clear-when-saved!)
(if file?
(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)))
(let [old-page-name (db/get-file-page path false)]
(page-handler/rename-when-alter-title-property! old-page-name path format content value)
(file/alter-file (state/get-current-repo) path (string/trim value)
{:re-render-root? true}))))
(when-not (contains? #{:insert :indent-outdent} (state/get-editor-op))
(editor-handler/save-block! (get-state state) value))))
state)}
[state {:keys [on-hide dummy? node format block block-parent-id]
:or {dummy? false}
:as option} id config]
(let [content (state/get-edit-content)]
[:div.editor-inner {:class (if block "block-editor" "non-block-editor")}
(when config/mobile? (mobile-bar state id))
(ui/ls-textarea
{:id id
:cacheMeasurements true
:default-value (or content "")
:minRows (if (state/enable-grammarly?) 2 1)
:on-click (fn [_e]
(let [input (gdom/getElement id)
current-pos (:pos (util/get-caret-pos input))]
(state/set-edit-pos! current-pos)
(editor-handler/close-autocomplete-if-outside input)))
:on-change (fn [e]
(let [value (util/evalue e)
current-pos (:pos (util/get-caret-pos (gdom/getElement id)))]
(state/set-edit-content! id value)
(state/set-edit-pos! current-pos)
(let [input (gdom/getElement id)
native-e (gobj/get e "nativeEvent")
last-input-char (util/nth-safe value (dec current-pos))]
(case last-input-char
"/"
;; TODO: is it cross-browser compatible?
(when (not= (gobj/get native-e "inputType") "insertFromPaste")
(when-let [matched-commands (seq (editor-handler/get-matched-commands input))]
(reset! *slash-caret-pos (util/get-caret-pos input))
(reset! *show-commands true)))
"<"
(when-let [matched-commands (seq (editor-handler/get-matched-block-commands input))]
(reset! *angle-bracket-caret-pos (util/get-caret-pos input))
(reset! *show-block-commands true))
nil))))
:auto-focus true})
;; TODO: how to render the transitions asynchronously?
(transition-cp
(commands id format)
true
*slash-caret-pos)
(transition-cp
(block-commands id format)
true
*angle-bracket-caret-pos)
(transition-cp
(page-search id format)
true
*slash-caret-pos)
(transition-cp
(block-search id format)
true
*slash-caret-pos)
(transition-cp
(template-search id format)
true
*slash-caret-pos)
(transition-cp
(datetime-comp/date-picker id format nil)
false
*slash-caret-pos)
(transition-cp
(input id
(fn [command m pos]
(editor-handler/handle-command-input command id format m pos)))
true
*slash-caret-pos)
(when format
(image-uploader id format))]))