♻️ Refactor icons dashboard page.

frontend/resources/styles/main/partials/dashboard-grid.scss

@@ -110,6 +110,11 @@
         justify-content: center;
       }
 
+      .grid-item-icon {
+        width:90px;
+        height:90px;
+      }
+
       .item-info {
         bottom: 0;
         display: flex;

frontend/src/uxbox/main/data/icons.cljs

@@ -19,25 +19,14 @@
 
 ;; --- Initialize
 
-(declare fetch-icons)
+(defrecord Initialize []
-(declare fetch-collections)
-(declare collections-fetched?)
-
-(defrecord Initialize [type id]
   ptk/UpdateEvent
   (update [_ state]
-    (-> state
+    (assoc-in state [:dashboard :icons] {:selected #{}})))
-        (assoc-in [:dashboard :icons] {:selected #{}})
-        (assoc-in [:dashboard :section] :dashboard/icons)))
-
-  ptk/WatchEvent
-  (watch [_ state s]
-    (rx/merge (rx/of (fetch-collections))
-              (rx/of (fetch-icons id)))))
 
 (defn initialize
-  [type id]
+  []
-  (Initialize. type id))
+  (Initialize.))
 
 ;; --- Select a Collection
 
@@ -236,7 +225,7 @@
                ;; TODO Keep the name of the original icon
                :name (str "Icon " (gensym "i"))
                :metadata metadata})]
-      (->> (rx/from-coll (jscoll->vec files))
+      (->> (rx/from-coll files)
            (rx/filter allowed?)
            (rx/flat-map parse)
            (rx/map prepare)

frontend/src/uxbox/main/locales/en.cljs

@@ -44,7 +44,7 @@
    "ds.your-icons-title" "YOUR ICONS"
    "ds.store-icons-title" "ICONS STORE"
    "ds.icons-collection.new" "+ New collection"
-   "ds.icon.new" "+ New icon"
+   "ds.icon-new" "+ New icon"
 
    "ds.images" "IMAGES"
    "ds.num-images" ["No images"

frontend/src/uxbox/main/locales/fr.cljs

@@ -44,7 +44,7 @@
    "ds.your-icons-title" "VOS ICÔNES"
    "ds.store-icons-title" "BOUTIQUE"
    "ds.icons-collection.new" "+ Nouvelle collection"
-   "ds.icon.new" "+ Nouvel icône"
+   "ds.icon-new" "+ Nouvel icône"
 
    "ds.images" "IMAGES"
    "ds.num-images" ["Nb images"

frontend/src/uxbox/main/ui/dashboard/icons.cljs

@@ -9,23 +9,19 @@
   (:require
    [cuerdas.core :as str]
    [lentes.core :as l]
-   [potok.core :as ptk]
-   [rumext.core :as mx]
    [rumext.alpha :as mf]
    [uxbox.builtins.icons :as i]
    [uxbox.main.data.icons :as di]
-   [uxbox.main.data.lightbox :as udl]
    [uxbox.main.store :as st]
-   [uxbox.main.ui.dashboard.header :refer (header)]
+   [uxbox.main.ui.confirm :refer [confirm-dialog]]
+   [uxbox.main.ui.dashboard.common :as common]
    [uxbox.main.ui.keyboard :as kbd]
-   [uxbox.main.ui.lightbox :as lbx]
+   [uxbox.main.ui.modal :as modal]
    [uxbox.main.ui.shapes.icon :as icon]
-   [uxbox.util.data :refer (read-string)]
+   [uxbox.util.components :refer [chunked-list]]
+   [uxbox.util.data :refer [read-string jscoll->vec seek]]
    [uxbox.util.dom :as dom]
-   [uxbox.util.forms :as sc]
+   [uxbox.util.i18n :as t :refer [tr]]
-   [uxbox.util.i18n :as t :refer (tr)]
-   [uxbox.util.i18n :refer (tr)]
-   [uxbox.util.lens :as ul]
    [uxbox.util.router :as rt]
    [uxbox.util.time :as dt]))
 
@@ -57,111 +53,67 @@
 
 ;; --- Refs
 
-(def collections-ref
+(def collections-iref
   (-> (l/key :icons-collections)
       (l/derive st/state)))
 
-(def opts-ref
+(def opts-iref
   (-> (l/in [:dashboard :icons])
       (l/derive st/state)))
 
-;; TODO: remove when sidebar is refactored
-(def icons-ref
-  (-> (l/key :icons)
-      (l/derive st/state)))
-
 ;; --- Page Title
 
-(mf/def page-title
+(mf/defc grid-header
-  :mixins [(mf/local) mf/memo]
+  [{:keys [coll] :as props}]
-
+  (letfn [(on-change [name]
-  :render
+            (st/emit! (di/rename-collection (:id coll) name)))
-  (fn [{:keys [::mf/local] :as own} {:keys [id type] :as coll}]
-    (let [own? (= :own (:type coll))
-          edit? (:edit @local)]
-      (letfn [(on-save [e]
-                (let [dom (mx/ref-node own "input")
-                      name (.-innerText dom)]
-                  (st/emit! (di/rename-collection id (str/trim name)))
-                  (swap! local assoc :edit false)))
-              (on-cancel [e]
-                (swap! local assoc :edit false))
-              (on-edit [e]
-                (swap! local assoc :edit true))
-              (on-input-keydown [e]
-                (cond
-                  (kbd/esc? e) (on-cancel e)
-                  (kbd/enter? e)
-                  (do
-                    (dom/prevent-default e)
-                    (dom/stop-propagation e)
-                    (on-save e))))
           (delete []
-                (st/emit! (di/delete-collection id)))
+            (st/emit!
+             (di/delete-collection (:id coll))
+             (rt/nav :dashboard/icons nil {:type (:type coll)})))
           (on-delete []
-                (udl/open! :confirm {:on-accept delete}))]
+            (modal/show! confirm-dialog {:on-accept delete}))]
-        [:div.dashboard-title
+    [:& common/grid-header {:value (:name coll)
-         [:h2
+                            :on-change on-change
-          (if edit?
+                            :on-delete on-delete}]))
-            [:div.dashboard-title-field
-             [:span.edit
-              {:content-editable true
-               :ref "input"
-               :on-key-down on-input-keydown}
-              (:name coll)]
-             [:span.close {:on-click on-cancel} i/close]]
-            (if own?
-              [:span.dashboard-title-field
-               {:on-double-click on-edit}
-               (:name coll)]
-              [:span.dashboard-title-field
-               (:name coll "Storage")]))]
-         (when (and own? coll)
-           [:div.edition
-            (if edit?
-              [:span {:on-click on-save} i/save]
-              [:span {:on-click on-edit} i/pencil])
-            [:span {:on-click on-delete} i/trash]])]))))
 
 ;; --- Nav
 
-(defn num-icons-ref
+(defn- make-num-icons-iref
   [id]
-  (let [selector (fn [icons] (count (filter #(= id (:collection %)) (vals icons))))]
+  (letfn [(selector [icons]
+            (->> (vals icons)
+                 (filter #(= id (:collection %)))
+                 (count)))]
     (-> (comp (l/key :icons)
               (l/lens selector))
         (l/derive st/state))))
 
-(mf/def nav-item
+(mf/defc nav-item
-  :key-fn :id
+  [{:keys [coll selected?] :as props}]
-  :mixins [(mf/local) mf/memo mf/reactive]
+  (let [local (mf/use-state {})
-
+        {:keys [id type name num-icons]} coll
-  :init
+        ;; TODO: recalculate the num-icons on crud operations for
-  (fn [own {:keys [id] :as props}]
+        ;; avod doing this on UI.
-    (assoc own ::num-icons-ref (num-icons-ref id)))
+        ;; num-icons-iref (mf/use-memo {:deps #js [id]
-
+        ;;                               :init #(make-num-icons-iref (:id coll))})
-  :render
+        ;; num-icons (mf/deref num-icons-iref)
-  (fn [{:keys [::mf/local] :as own}
-       {:keys [id type name num-icons ::selected?] :as coll}]
-    (let [num-icons (or num-icons (mf/react (::num-icons-ref own)))
         editable? (= type :own)]
     (letfn [(on-click [event]
               (let [type (or type :own)]
-                  (st/emit! (rt/navigate :dashboard/icons {} {:type type :id id}))))
+                (st/emit! (rt/nav :dashboard/icons {} {:type type :id id}))))
             (on-input-change [event]
-                (let [value (dom/get-target event)
+              (-> (dom/get-target event)
-                      value (dom/get-value value)]
+                  (dom/get-value)
-                  (swap! local assoc :name value)))
+                  (swap! local assoc :name)))
           (on-cancel [event]
-                (swap! local dissoc :name)
+            (swap! local dissoc :name :edit))
-                (swap! local dissoc :edit))
           (on-double-click [event]
             (when editable?
               (swap! local assoc :edit true)))
           (on-input-keyup [event]
             (when (kbd/enter? event)
-                  (let [value (dom/get-target event)
+              (let [value (-> (dom/get-target event) (dom/get-value))]
-                        value (dom/get-value value)]
                 (st/emit! (di/rename-collection id (str/trim (:name @local))))
                 (swap! local assoc :edit false))))]
       [:li {:on-click on-click
@@ -169,31 +121,21 @@
             :class-name (when selected? "current")}
        (if (:edit @local)
          [:div
-            [:input.element-title
+          [:input.element-title {:value (if (:name @local)
-             {:value (if (:name @local) (:name @local) (if id name "Storage"))
+                                          (:name @local)
+                                          (if id name "Storage"))
                                  :on-change on-input-change
                                  :on-key-down on-input-keyup}]
           [:span.close {:on-click on-cancel} i/close]]
-           [:span.element-title
+         [:span.element-title (if id name "Storage")])
-            (if id name "Storage")])
+       [:span.element-subtitle (tr "ds.num-elements" (t/c num-icons))]])))
-         [:span.element-subtitle
-          (tr "ds.num-elements" (t/c num-icons))]]))))
 
-(mf/def nav
-  :mixins [mf/memo mf/reactive]
 
-  :render
+(mf/defc nav
-  (fn [own {:keys [id type] :as props}]
+  [{:keys [id type colls selected-coll] :as props}]
   (let [own? (= type :own)
         builtin? (= type :builtin)
-          colls (mf/react collections-ref)
+        select-tab #(st/emit! (rt/nav :dashboard/icons nil {:type %}))]
-          select-tab (fn [type]
-                       (if-let [coll (->> (vals colls)
-                                          (filter #(= type (:type %)))
-                                          (sort-by :created-at)
-                                          (first))]
-                         (st/emit! (rt/nav :dashboard/icons nil {:type type :id (:id coll)}))
-                         (st/emit! (rt/nav :dashboard/icons nil {:type type}))))]
     [:div.library-bar
      [:div.library-bar-inside
       [:ul.library-tabs
@@ -203,40 +145,41 @@
        [:li {:class-name (when builtin? "current")
              :on-click (partial select-tab :builtin)}
         (tr "ds.store-icons-title")]]
+
       [:ul.library-elements
        (when own?
          [:li
           [:a.btn-primary {:on-click #(st/emit! (di/create-collection))}
            (tr "ds.icons-collection.new")]])
        (when own?
-           (nav-item {::selected? (nil? id)}))
+         [:& nav-item {:selected? (nil? id)}])
-         (for [coll (cond->> (vals colls)
+       (for [item colls]
-                      own? (filter #(= :own (:type %)))
+         [:& nav-item {:coll item
-                      builtin? (filter #(= :builtin (:type %)))
+                       :selected? (= (:id item) id)
-                      true (sort-by :name))]
+                       :key (:id item)}])]]]))
-           (let [selected? (= (:id coll) id)]
+
-             (nav-item (assoc coll ::selected? selected?))))]]])))
 
 ;; --- Grid
 
-(mx/defcs grid-form
+(mf/defc grid-form
-  {:mixins [mx/static]}
+  [{:keys [id type uploading?] :as props}]
-  [own coll-id]
+  (let [input (mf/use-ref* nil)
-  (letfn [(forward-click [event]
+        on-click #(dom/click (mf/ref-node input))
-            (dom/click (mx/ref-node own "file-input")))
+        on-select #(st/emit! (->> (dom/get-event-files %)
-          (on-file-selected [event]
+                                  (jscoll->vec)
-            (let [files (dom/get-event-files event)]
+                                  (di/create-icons id)))]
-              (st/emit! (di/create-icons coll-id files))))]
+    [:div.grid-item.add-project {:on-click on-click}
-    [:div.grid-item.small-item.add-project {:on-click forward-click}
+     (if uploading?
-     [:span (tr "ds.icon.new")]
+       [:div i/loader-pencil]
-     [:input.upload-image-input
+       [:span (tr "ds.icon-new")])
+     [:input.upload-icon-input
       {:style {:display "none"}
        :multiple true
-       :ref "file-input"
+       :ref input
        :value ""
-       :accept "image/svg+xml"
+       :accept "icon/svg+xml"
        :type "file"
-       :on-change on-file-selected}]]))
+       :on-change on-select}]]))
 
 (mf/def grid-options-tooltip
   :mixins [mf/reactive mf/memo]
@@ -246,7 +189,7 @@
     {:pre [(uuid? selected)
            (fn? on-select)
            (string? title)]}
-    (let [colls (mf/react collections-ref)
+    (let [colls (mf/react collections-iref)
           colls (->> (vals colls)
                      (filter #(= :own (:type %)))
                      (remove #(= selected (:id %)))
@@ -272,7 +215,7 @@
     (letfn [(delete []
               (st/emit! (di/delete-selected)))
             (on-delete [event]
-              (udl/open! :confirm {:on-accept delete}))
+              (modal/show! confirm-dialog {:on-accept delete}))
             (on-toggle-copy [event]
               (swap! local update :show-copy-tooltip not))
             (on-toggle-move [event]
@@ -333,14 +276,12 @@
                                     :on-select on-copy}))
            i/organize]])])))
 
-(mf/def grid-item
+;; --- Grid Item
-  :key-fn :id
+
-  :mixins [mf/memo]
+(mf/defc grid-item
-  :render
+  [{:keys [icon selected? edition?] :as props}]
-  (fn [own {:keys [id created-at ::selected? ::edition?] :as icon}]
   (letfn [(toggle-selection [event]
-              (prn "toggle-selection")
+            (st/emit! (di/toggle-icon-selection (:id icon))))
-              (st/emit! (di/toggle-icon-selection id)))
           (on-key-down [event]
             (when (kbd/enter? event)
               (on-blur event)))
@@ -348,22 +289,22 @@
             (let [target (dom/event->target event)
                   name (dom/get-value target)]
               (st/emit! (di/update-opts :edition false)
-                          (di/rename-icon id name))))
+                        (di/rename-icon (:id icon) name))))
           (ignore-click [event]
             (dom/stop-propagation event)
             (dom/prevent-default event))
           (on-edit [event]
             (dom/stop-propagation event)
             (dom/prevent-default event)
-              (st/emit! (di/update-opts :edition id)))]
+            (st/emit! (di/update-opts :edition (:id icon))))]
-      [:div.grid-item.small-item.project-th {:id (str "grid-item-" id)}
+    [:div.grid-item.small-item.project-th
      [:div.input-checkbox.check-primary
       [:input {:type "checkbox"
                :id (:id icon)
                :on-change toggle-selection
                :checked selected?}]
       [:label {:for (:id icon)}]]
-       [:span.grid-item-image (icon/icon-svg icon)]
+     [:span.grid-item-icon (icon/icon-svg icon)]
      [:div.item-info {:on-click ignore-click}
       (if edition?
         [:input.element-name {:type "text"
@@ -374,47 +315,47 @@
                               :default-value (:name icon)}]
         [:h3 {:on-double-click on-edit}
          (:name icon)])
-        (str (tr "ds.uploaded-at" (dt/format created-at "DD/MM/YYYY")))]])))
+      (str (tr "ds.uploaded-at" (dt/format (:created-at icon) "DD/MM/YYYY")))]]))
 
-(mf/def grid
+;; --- Grid
-  :mixins [mf/reactive]
+
-  :init
+(defn- make-icons-iref
-  (fn [own {:keys [id] :as props}]
+  [id]
-    (let [selector (fn [icons]
+  (-> (comp (l/key :icons)
+            (l/lens (fn [icons]
                       (->> (vals icons)
-                          (filter #(= id (:collection %)))))]
+                           (filter #(= id (:collection %)))))))
-      (assoc own ::icons-ref (-> (comp (l/key :icons)
+      (l/derive st/state)))
-                                       (l/lens selector))
-                                 (l/derive st/state)))))
 
-  :render
+(mf/defc grid
-  (fn [own {:keys [selected edition id type] :as props}]
+  [{:keys [id type coll opts] :as props}]
   (let [editable? (or (= type :own) (nil? id))
-          icons (->> (mf/react (::icons-ref own))
+        icons-iref (mf/use-memo {:deps #js [id] :init #(make-icons-iref id)})
-                     (filter-icons-by (:filter props ""))
+        icons (->> (mf/deref icons-iref)
-                     (sort-icons-by (:order props :name)))]
+                   (filter-icons-by (:filter opts ""))
-
+                   (sort-icons-by (:order opts :name)))]
     [:div.dashboard-grid-content
      [:div.dashboard-grid-row
-        (when editable? (grid-form id))
+      (when editable?
-        (for [icon icons]
+        [:& grid-form {:id id :type type :uploading? (:uploading opts)}])
-          (let [edition? (= edition (:id icon))
+
-                selected? (contains? selected (:id icon))]
+      [:& chunked-list {:items icons
-            (grid-item (assoc icon ::selected? selected? ::edition? edition?))))]])))
+                        :initial-size 30
+                        :chunk-size 30
+                        :key (str type id (count icons))}
+       (fn [icon]
+         [:& grid-item {:icon icon
+                        :key (:id icon)
+                        :selected (contains? (:selected opts) (:id icon))
+                        :edition? (= (:edition opts) (:id icon))}])]]]))
 
 ;; --- Menu
 
-(mf/def menu
+(mf/defc menu
-  :mixins [mf/memo mf/reactive]
+  [{:keys [opts coll] :as props}]
-
+  (let [ordering (:order opts :name)
-  :init
+        filtering (:filter opts "")
-  (fn [own {:keys [id] :as props}]
+        icount (count (:icons coll))]
-    (assoc own ::num-icons-ref (num-icons-ref id)))
-
-  :render
-  (fn [own props]
-    (let [{:keys [id num-icons] :as coll} (::coll props)
-          num-icons (or num-icons (mf/react (::num-icons-ref own)))]
     (letfn [(on-term-change [event]
               (let [term (-> (dom/get-target event)
                              (dom/get-value))]
@@ -427,16 +368,18 @@
               (st/emit! (di/update-opts :filter "")))]
       [:section.dashboard-bar.library-gap
        [:div.dashboard-info
+
         ;; Counter
-          [:span.dashboard-icons (tr "ds.num-icons" (t/c num-icons))]
+        [:span.dashboard-icons (tr "ds.num-icons" (t/c icount))]
 
         ;; Sorting
         [:div
          [:span (tr "ds.ordering")]
          [:select.input-select {:on-change on-ordering-change
-                                  :value (pr-str (:order props :name))}
+                                :value (pr-str ordering)}
           (for [[key value] (seq +ordering-options+)]
             [:option {:key key :value (pr-str key)} (tr value)])]]
+
         ;; Search
         [:form.dashboard-search
          [:input.input-text {:key :icons-search-box
@@ -444,48 +387,53 @@
                              :on-change on-term-change
                              :auto-focus true
                              :placeholder (tr "ds.search.placeholder")
-                               :value (:filter props "")}]
+                             :value filtering}]
-           [:div.clear-search {:on-click on-clear}
+         [:div.clear-search {:on-click on-clear} i/close]]]])))
-            i/close]]]]))))
 
-(mf/def content
+;; --- Content
-  :mixins [mf/reactive mf/memo]
 
-  :init
+(mf/defc content
-  (fn [own {:keys [id] :as props}]
+  [{:keys [id type coll] :as props}]
-    (assoc own ::coll-ref (-> (l/in [:icons-collections id])
+  (let [opts (mf/deref opts-iref)]
-                              (l/derive st/state))))
-
-  :render
-  (fn [own props]
-    (let [opts (mf/react opts-ref)
-          coll (mf/react (::coll-ref own))
-          props (merge opts props)]
     [:*
-       (menu (assoc props ::coll coll))
+     [:& menu {:opts opts :coll coll}]
      [:section.dashboard-grid.library
-        (page-title coll)
+      (when coll
-        (grid props)
+        [:& grid-header {:coll coll}])
+      [:& grid {:id id
+                :key [id type]
+                :type type
+                :coll coll
+                :opts opts}]
       (when (seq (:selected opts))
-          (grid-options props))]])))
+        [:& grid-options {:id id :type type :selected (:selected opts)}])]]))
-
 
 ;; --- Icons Page
 
-(mf/def icons-page
+(mf/defc icons-page
-  :key-fn identity
+  [{:keys [id type] :as props}]
-  :mixins #{mf/memo mf/reactive}
-
-  :init
-  (fn [own props]
-    (let [{:keys [type id]} (::mf/props own)]
-      (st/emit! (di/initialize type id))
-      own))
-
-  :render
-  (fn [own {:keys [type] :as props}]
   (let [type (or type :own)
-          props (assoc props :type type)]
+        colls (mf/deref collections-iref)
+        colls (cond->> (vals colls)
+                (= type :own) (filter #(= :own (:type %)))
+                (= type :builtin) (filter #(= :builtin (:type %)))
+                true (sort-by :created-at))
+        selected-coll (cond
+                        (and (= type :own) (nil? id)) nil
+                        (uuid? id) (seek #(= id (:id %)) colls)
+                        :else (first colls))
+        id (:id selected-coll)]
+
+    (mf/use-effect {:init #(st/emit! (di/fetch-collections))})
+    (mf/use-effect {:init #(st/emit! (di/initialize)
+                                     (di/fetch-icons id))
+                    :deps #js [id type]})
+
     [:section.dashboard-content
-       (nav props)
+     [:& nav {:type type
-       (content props)])))
+              :id id
+              :colls colls
+              :selected-coll selected-coll}]
+     [:& content {:type type
+                  :id id
+                  :coll selected-coll}]]))

frontend/src/uxbox/main/ui/dashboard/images.cljs

@@ -15,7 +15,6 @@
    [uxbox.main.data.images :as di]
    [uxbox.main.data.lightbox :as udl]
    [uxbox.main.store :as st]
-   [uxbox.main.ui.dashboard.header :refer [header]]
    [uxbox.main.ui.dashboard.common :as common]
    [uxbox.main.ui.keyboard :as kbd]
    [uxbox.main.ui.lightbox :as lbx]
@@ -53,11 +52,11 @@
 
 ;; --- Refs
 
-(def collections-ref
+(def collections-iref
   (-> (l/key :images-collections)
       (l/derive st/state)))
 
-(def opts-ref
+(def opts-iref
   (-> (l/in [:dashboard :images])
       (l/derive st/state)))
 
@@ -71,7 +70,7 @@
           (delete []
             (st/emit!
              (di/delete-collection (:id coll))
-             (rt/nav :dashboard/mages nil {:type (:type coll)})))
+             (rt/nav :dashboard/images nil {:type (:type coll)})))
 
           (on-delete []
             (modal/show! confirm-dialog {:on-accept delete}))]
@@ -166,7 +165,7 @@
   {:pre [(uuid? selected)
          (fn? on-select)
          (string? title)]}
-  (let [colls (mf/deref collections-ref)
+  (let [colls (mf/deref collections-iref)
         colls (->> (vals colls)
                    (filter #(= :own (:type %)))
                    (remove #(= selected (:id %)))
@@ -190,7 +189,7 @@
     (letfn [(delete []
               (st/emit! (di/delete-selected)))
             (on-delete [event]
-              (udl/open! :confirm {:on-accept delete}))
+              (modal/show! confirm-dialog {:on-accept delete}))
             (on-toggle-copy [event]
               (swap! local update :show-copy-tooltip not))
             (on-toggle-move [event]
@@ -283,6 +282,8 @@
       [:span.date (str (tr "ds.uploaded-at"
                            (dt/format (:created-at image) "DD/MM/YYYY")))]]]))
 
+;; --- Grid Form
+
 (mf/defc grid-form
   [{:keys [id type uploading?] :as props}]
   (let [input (mf/use-ref* nil)
@@ -303,6 +304,8 @@
        :type "file"
        :on-change on-select}]]))
 
+;; --- Grid
+
 (defn- make-images-iref
   [id]
   (-> (comp (l/key :images)
@@ -371,7 +374,7 @@
 
 (mf/defc content
   [{:keys [id type coll] :as props}]
-  (let [opts (mf/deref opts-ref)]
+  (let [opts (mf/deref opts-iref)]
     [:*
      [:& menu {:opts opts :coll coll}]
      [:section.dashboard-grid.library
@@ -389,7 +392,7 @@
 (mf/defc images-page
   [{:keys [id type] :as props}]
   (let [type (or type :own)
-        colls (mf/deref collections-ref)
+        colls (mf/deref collections-iref)
         colls (cond->> (vals colls)
                 (= type :own) (filter #(= :own (:type %)))
                 (= type :builtin) (filter #(= :builtin (:type %)))

frontend/src/uxbox/main/ui/workspace/sidebar/icons.cljs

@@ -50,7 +50,7 @@
   {:mixins [mx/static mx/reactive]
    :init icons-toolbox-init}
   []
-  (let [drawing (mx/react drawing-shape-ref)
+  #_(let [drawing (mx/react drawing-shape-ref)
         selected (mx/react icons-toolbox-ref)
         colls (mx/react icons/collections-ref)
         selected-coll (get colls selected)

frontend/src/uxbox/util/components.cljs

@@ -0,0 +1,40 @@
+;; This Source Code Form is subject to the terms of the Mozilla Public
+;; License, v. 2.0. If a copy of the MPL was not distributed with this
+;; file, You can obtain one at http://mozilla.org/MPL/2.0/.
+;;
+;; Copyright (c) 2019 Andrey Antukh <niwi@niwi.nz>
+
+(ns uxbox.util.components
+  "A collection of general purpose utility components."
+  (:require
+   [beicon.core :as rx]
+   [rumext.alpha :as mf]
+   [uxbox.util.timers :refer [schedule-on-idle]]))
+
+(mf/defc chunked-list
+  [{:keys [items children initial-size chunk-size]
+    :or {initial-size 30 chunk-size 5}
+    :as props}]
+  (letfn [(initial-state []
+            (let [total (count items)
+                  size (if (> total initial-size) initial-size total)
+                  current (take size items)
+                  pending (drop size items)]
+              {:current (vec current)
+               :pending pending
+               :pending-num (- total size)}))
+
+          (update-state [{:keys [current pending pending-num] :as state}]
+            (let [chunk-size (if (> pending-num chunk-size) chunk-size pending-num)]
+              {:current (into current (take chunk-size pending))
+               :pending (drop chunk-size pending)
+               :pending-num (- pending-num chunk-size)}))]
+
+    (let [initial (mf/use-memo {:init initial-state})
+          state   (mf/use-state initial)]
+      (mf/use-effect {:deps true
+                      :init #(when (pos? (:pending-num @state))
+                               (swap! state update-state))
+                      :end #(when % (rx/cancel! %))})
+      (for [item (:current @state)]
+        (children item)))))

frontend/src/uxbox/util/timers.cljs

@@ -2,7 +2,7 @@
 ;; License, v. 2.0. If a copy of the MPL was not distributed with this
 ;; file, You can obtain one at http://mozilla.org/MPL/2.0/.
 ;;
-;; Copyright (c) 2016-2017 Andrey Antukh <niwi@niwi.nz>
+;; Copyright (c) 2016-2019 Andrey Antukh <niwi@niwi.nz>
 
 (ns uxbox.util.timers
   (:require [beicon.core :as rx]))
@@ -20,3 +20,10 @@
     (reify rx/ICancellable
       (-cancel [_]
         (js/clearInterval sem)))))
+
+(defn schedule-on-idle
+  [func]
+  (let [sem (js/requestIdleCallback #(func))]
+    (reify rx/ICancellable
+      (-cancel [_]
+        (js/cancelIdleCallback sem)))))