Files
logseq/src/main/frontend/handler/block.cljs

277 lines
9.9 KiB
Clojure

(ns frontend.handler.block
(:require
[clojure.set :as set]
[clojure.walk :as walk]
[frontend.db :as db]
[frontend.db.model :as db-model]
[frontend.db.react :as react]
[frontend.db.utils :as db-utils]
[frontend.format.block :as block]
[frontend.mobile.haptics :as haptics]
[frontend.modules.outliner.core :as outliner-core]
[frontend.modules.outliner.transaction :as outliner-tx]
[frontend.state :as state]
[frontend.util :as util]
[goog.dom :as gdom]))
;; Fns
(defn long-page?
[repo page-id]
(>= (db/get-page-blocks-count repo page-id) db-model/initial-blocks-length))
(defn get-block-refs-with-children
[block]
(->>
(tree-seq :block/refs
:block/children
block)
(mapcat :block/refs)
(distinct)))
(defn filter-blocks
[repo ref-blocks filters group-by-page?]
(let [ref-pages-ids (->> (if group-by-page?
(mapcat last ref-blocks)
ref-blocks)
(mapcat (fn [b] (get-block-refs-with-children b)))
(concat (when group-by-page? (map first ref-blocks)))
(distinct)
(map :db/id)
(remove nil?))
ref-pages (db/pull-many repo '[:db/id :block/name] ref-pages-ids)
ref-pages (zipmap (map :block/name ref-pages) (map :db/id ref-pages))
exclude-ids (->> (map (fn [page] (get ref-pages page)) (get filters false))
(remove nil?)
(set))
include-ids (->> (map (fn [page] (get ref-pages page)) (get filters true))
(remove nil?)
(set))]
(if (empty? filters)
ref-blocks
(let [filter-f (fn [ref-blocks]
(cond->> ref-blocks
(seq exclude-ids)
(remove (fn [block]
(let [ids (set (concat (map :db/id (get-block-refs-with-children block))
[(:db/id (:block/page block))]))]
(seq (set/intersection exclude-ids ids)))))
(seq include-ids)
(remove (fn [block]
(let [page-block-id (:db/id (:block/page block))
ids (set (map :db/id (get-block-refs-with-children block)))]
(if (and (contains? include-ids page-block-id)
(= 1 (count include-ids)))
(not= page-block-id (first include-ids))
(empty? (set/intersection include-ids (set (conj ids page-block-id))))))))))]
(if group-by-page?
(->> (map (fn [[p ref-blocks]]
[p (filter-f ref-blocks)]) ref-blocks)
(remove #(empty? (second %))))
(->> (filter-f ref-blocks)
(remove nil?)))))))
;; TODO: reduced version
(defn- walk-block
[block check? transform]
(let [result (atom nil)]
(walk/postwalk
(fn [x]
(if (check? x)
(reset! result (transform x))
x))
(:block/body block))
@result))
(defn get-timestamp
[block typ]
(walk-block block
(fn [x]
(and (block/timestamp-block? x)
(= typ (first (second x)))))
#(second (second %))))
(defn get-scheduled-ast
[block]
(get-timestamp block "Scheduled"))
(defn get-deadline-ast
[block]
(get-timestamp block "Deadline"))
(defn load-more!
[db-id start-id]
(let [repo (state/get-current-repo)
db (db/get-db repo)
block (db/entity repo db-id)
block? (not (:block/name block))
k (if block?
:frontend.db.react/block-and-children
:frontend.db.react/page-blocks)
query-k [repo k db-id]
option (cond-> {:limit db-model/step-loading-blocks}
block?
(assoc :scoped-block-id db-id))
more-data (->> (db-model/get-paginated-blocks-no-cache db start-id option)
(map #(db/pull (:db/id %))))]
(react/swap-new-result! query-k
(fn [result]
(->> (concat result more-data)
(util/distinct-by :db/id))))))
(defn indentable?
[{:block/keys [parent] :as block}]
(when parent
(let [parent-block (db-utils/pull (:db/id parent))
first-child (first
(db-model/get-block-immediate-children
(state/get-current-repo)
(:block/uuid parent-block)))]
(not= (:db/id block) (:db/id first-child)))))
(defn outdentable?
[{:block/keys [level] :as _block}]
(not= level 1))
(defn indent-outdent-block!
[block direction]
(outliner-tx/transact!
{:outliner-op :move-blocks}
(outliner-core/indent-outdent-blocks! [block] (= direction :right))))
(defn select-block!
[block-uuid]
(let [blocks (js/document.getElementsByClassName (str block-uuid))]
(when (seq blocks)
(state/exit-editing-and-set-selected-blocks! blocks))))
(def *swipe (atom nil))
(defn on-touch-start
[event]
(when-let [touches (.-targetTouches event)]
(when (= (.-length touches) 1)
(let [touch (aget touches 0)
x (.-clientX touch)
y (.-clientY touch)]
(reset! *swipe {:x0 x :y0 y :xi x :yi y :tx x :ty y :direction nil :reversed false})))))
(defn on-touch-move
[event block uuid *show-left-menu? *show-right-menu?]
(when-let [touches (.-targetTouches event)]
(when (and (= (.-length touches) 1) @*swipe)
(let [{:keys [x0 xi direction]} @*swipe
touch (aget touches 0)
tx (.-clientX touch)
ty (.-clientY touch)
direction (if (nil? direction)
(if (> tx x0)
:right
:left)
direction)]
(swap! *swipe #(-> %
(assoc :tx tx)
(assoc :ty ty)
(assoc :xi tx)
(assoc :yi ty)
(assoc :direction direction)))
(when (< (* (- xi x0) (- tx xi)) 0)
(swap! *swipe #(-> %
(assoc :x0 tx)
(assoc :y0 ty)
(assoc :reversed true))))
(let [{:keys [x0 y0]} @*swipe
dx (- tx x0)
dy (- ty y0)]
(when-not (and (not (:reversed @*swipe))
(or (> (. js/Math abs dy) 10)
(< (. js/Math abs dx) 3)))
(let [left (gdom/getElement (str "block-left-menu-" uuid))
right (gdom/getElement (str "block-right-menu-" uuid))]
(cond
(= direction :right)
(do
(reset! *show-left-menu? true)
(when left
(if (> dx 0)
(set! (.. left -style -width) (str dx "px"))
(set! (.. left -style -width) (str (+ 50 dx) "px")))
(let [indent (gdom/getFirstElementChild left)]
(when (indentable? block)
(if (>= (.-clientWidth left) 50)
(set! (.. indent -style -opacity) "100%")
(set! (.. indent -style -opacity) "30%"))))))
(= direction :left)
(do
(reset! *show-right-menu? true)
(when right
(if (< dx 0)
(set! (.. right -style -width) (str (- dx) "px"))
(set! (.. right -style -width) (str (- 80 dx) "px")))
(let [outdent (gdom/getFirstElementChild right)
more (gdom/getLastElementChild right)]
(when (outdentable? block)
(if (and (>= (.-clientWidth right) 40)
(< (.-clientWidth right) 80))
(set! (.. outdent -style -opacity) "100%")
(set! (.. outdent -style -opacity) "30%")))
(if (>= (.-clientWidth right) 80)
(set! (.. more -style -opacity) "100%")
(set! (.. more -style -opacity) "30%")))))
:else
nil))))))))
(defn on-touch-end
[_event block uuid *show-left-menu? *show-right-menu?]
(when @*swipe
(let [left-menu (gdom/getElement (str "block-left-menu-" uuid))
right-menu (gdom/getElement (str "block-right-menu-" uuid))
{:keys [x0 tx]} @*swipe
dx (- tx x0)]
(try
(when (> (. js/Math abs dx) 10)
(cond
(and left-menu (>= (.-clientWidth left-menu) 50))
(when (indentable? block)
(haptics/with-haptics-impact
(indent-outdent-block! block :right)
:light))
(and right-menu (< 40 (.-clientWidth right-menu) 80))
(when (outdentable? block)
(haptics/with-haptics-impact
(indent-outdent-block! block :left)
:light))
(and right-menu (>= (.-clientWidth right-menu) 80))
(haptics/with-haptics-impact
(do (state/set-state! :mobile/show-action-bar? true)
(state/set-state! :mobile/actioned-block block)
(select-block! uuid))
:light)
:else
nil))
(catch js/Error e
(js/console.error e))
(finally
(reset! *show-left-menu? false)
(reset! *show-right-menu? false)
(reset! *swipe nil))))))
(defn on-touch-cancel
[_event *show-left-menu? *show-right-menu?]
(reset! *show-left-menu? false)
(reset! *show-right-menu? false)
(reset! *swipe nil))