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commands.cljs
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commands.cljs
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(ns portal.ui.commands
(:require ["react" :as react]
[clojure.pprint :as pp]
[clojure.set :as set]
[clojure.string :as str]
[clojure.walk :as walk]
[cognitect.transit :as t]
[portal.async :as a]
[portal.colors :as c]
[portal.shortcuts :as shortcuts]
[portal.ui.drag-and-drop :as dnd]
[portal.ui.icons :as icons]
[portal.ui.inspector :as ins]
[portal.ui.state :as state]
[portal.ui.styled :as s]
[portal.ui.theme :as theme]
[portal.ui.viewer.csv :as csv]
[portal.ui.viewer.edn :as edn]
[portal.ui.viewer.jwt :as jwt]
[reagent.core :as r]))
(def ^:dynamic *state* nil)
(defonce ^:private input (r/atom nil))
(defn open
([f] (open input f))
([state f] (swap! state assoc ::input f)))
(defn close
([] (close input))
([state] (swap! state dissoc ::input)))
(defn- palette-container [& children]
(let [theme (theme/use-theme)]
(into
[s/div
{:on-click #(.stopPropagation %)
:style
{:font-family (:font-family theme)
:max-height "100%"
:height :fit-content
:margin "0 auto"
:overflow :hidden
:display :flex
:flex-direction :column
:background (::c/background2 theme)
:box-shadow "0 0 10px #0007"
:border [1 :solid (::c/border theme)]
:border-radius (:border-radius theme)}}]
children)))
(defonce ^:private handlers (atom {}))
(def ^:private shortcut-context (react/createContext 0))
(defn- dispatch [log]
(when-let [[_ f] (last (sort-by first < @handlers))]
(f log)))
(defn- with-shortcuts [f & children]
(let [i (react/useContext shortcut-context)]
(react/useEffect
(fn []
(swap! handlers assoc i f)
(fn []
(swap! handlers dissoc i)))
#js [f])
(react/useEffect
(fn []
(shortcuts/add! ::with-shortcuts dispatch)
(fn []
(shortcuts/remove! ::with-shortcuts))))
(into [:r> (.-Provider shortcut-context) #js {:value (inc i)}] children)))
(defn- checkbox [checked?]
(let [theme (theme/use-theme)]
[s/div
{:style
{:width "1.25em"
:height "1.25em"
:position :relative
:display :flex
:align-items :center
:justify-content :center}}
[s/div
{:style
{:width "0.75em"
:position :absolute
:height "0.75em"
:border [2 :solid (::c/string theme)]
:border-radius "50%"}}]
(when checked?
[s/div
{:style
{:width "0.5em"
:height "0.5em"
:position :absolute
:background (::c/string theme)
:border-radius "50%"}}])]))
(defn- scroll-into-view []
(let [el (atom nil)]
(fn []
(r/create-class
{:component-did-mount
(fn []
(when-let [el @el] (.scrollIntoView el #js {:block "center"})))
:reagent-render
(fn [] [:div {:ref #(reset! el %)}])}))))
(defn- selector-component []
(let [selected (r/atom #{})
active (r/atom 0)]
(fn [input]
(let [theme (theme/use-theme)
selected? @selected
on-close (partial close (state/use-state))
on-done (:run input)
options (:options input)
n (count (:options input))
on-select #(swap! selected (if (selected? %) disj conj) %)
on-toggle (fn toggle-all []
(if (= (count @selected) (count options))
(reset! selected #{})
(swap! selected into options)))
on-invert (fn invert []
(swap! selected #(set/difference (into #{} options) %)))
style {:font :bold
:cursor :pointer
:color (::c/string theme)}]
[with-shortcuts
(fn [log]
(when
(condp shortcuts/match? log
"arrowup" (swap! active #(mod (dec %) n))
"k" (swap! active #(mod (dec %) n))
#{"shift" "tab"} (swap! active #(mod (dec %) n))
"arrowdown" (swap! active #(mod (inc %) n))
"j" (swap! active #(mod (inc %) n))
"tab" (swap! active #(mod (inc %) n))
"a" (on-toggle)
"i" (on-invert)
" " (on-select (nth options @active))
"enter" (on-done @selected)
"escape" (on-close)
nil)
(shortcuts/matched! log)))
[palette-container
[s/div
{:style {:box-sizing :border-box
:padding (:padding theme)
:user-select :none
:border-bottom [1 :solid (::c/border theme)]}}
"Press "
[:span
{:style style
:on-click #(on-select (nth options @active))}
"space"]
" to select, "
[:span
{:style style
:on-click on-toggle}
"a"]
" to toggle all, "
[:span
{:style style
:on-click on-invert}
"i"]
" to invert and "
[:span
{:style style
:on-click #(on-done @selected)}
"enter"]
" to accept"]
[s/div
{:style {:overflow :auto}}
(->> options
(map-indexed
(fn [index option]
(let [active? (= index @active)]
[s/div
{:key (hash option)
:on-click (fn [e]
(.stopPropagation e)
(on-select option))
:style
(merge
{:border-left [5 :solid "#0000"]
:box-sizing :border-box
:padding-left (:padding theme)
:padding-top (* 0.5 (:padding theme))
:padding-bottom (* 0.5 (:padding theme))
:cursor :pointer
:color (if (selected? option)
(::c/boolean theme)
(::c/text theme))
:display :flex
:align-items :center
:height :fit-content}
(when active?
{:border-left [5 :solid (::c/boolean theme)]
:background (::c/background theme)}))}
(when active? [scroll-into-view])
[checkbox (some? (selected? option))]
[s/div {:style {:width (:padding theme)}}]
[ins/inspector option]])))
doall)]]]))))
(def ^:private keymap
{{::shortcuts/osx #{"meta" "shift" "p"}
::shortcuts/default #{"control" "shift" "p"}}
`open-command-palette
{::shortcuts/default #{"control" "j"}}
`open-command-palette
{::shortcuts/default #{"shift" ":"}}
`open-command-palette
{::shortcuts/osx #{"meta" "c"}
::shortcuts/default #{"control" "c"}}
`copy
{::shortcuts/default #{"shift" "c"}}
`copy-str
{::shortcuts/osx #{"meta" "arrowleft"}
::shortcuts/default #{"control" "arrowleft"}}
`history-back
{::shortcuts/default #{"shift" "h"}}
`history-back
{::shortcuts/osx #{"meta" "arrowright"}
::shortcuts/default #{"control" "arrowright"}}
`history-forward
{::shortcuts/default #{"shift" "l"}}
`history-forward
{::shortcuts/osx #{"meta" "shift" "arrowleft"}
::shortcuts/default #{"control" "shift" "arrowleft"}}
`history-first
{::shortcuts/osx #{"meta" "shift" "arrowright"}
::shortcuts/default #{"control" "shift" "arrowright"}}
`history-last
{::shortcuts/default ["/"]} `focus-filter
{::shortcuts/default #{"shift" "escape"}} `select-none
{::shortcuts/default #{"escape"}} `select-pop
{::shortcuts/default #{"v"}} `select-viewer
{::shortcuts/default #{"shift" "k"}} `select-prev-viewer
{::shortcuts/default #{"shift" "arrowup"}} `select-prev-viewer
{::shortcuts/default #{"shift" "j"}} `select-next-viewer
{::shortcuts/default #{"shift" "arrowdown"}} `select-next-viewer
{::shortcuts/default #{"arrowup"}} `select-prev
{::shortcuts/default #{"k"}} `select-prev
{::shortcuts/default #{"arrowdown"}} `select-next
{::shortcuts/default #{"j"}} `select-next
{::shortcuts/default #{"arrowleft"}} `select-parent
{::shortcuts/default #{"h"}} `select-parent
{::shortcuts/default #{"arrowright"}} `select-child
{::shortcuts/default #{"l"}} `select-child
{::shortcuts/default #{"control" "enter"}} `focus-selected
{::shortcuts/default #{"e"}} `toggle-expand
{::shortcuts/default #{" "}} `toggle-expand
{::shortcuts/default ["z" "a"]} `toggle-expand
{::shortcuts/default #{"shift" "e"}} `expand-inc
{::shortcuts/default #{"shift" " "}} `expand-inc
{::shortcuts/default #{"enter"}} 'clojure.datafy/nav
{::shortcuts/default #{"shift" "enter"}} 'clojure.datafy/datafy
{::shortcuts/default #{"control" "r"}} `redo-previous-command
{::shortcuts/default #{"control" "l"}} `clear
{::shortcuts/default ["g" "g"]} `scroll-top
{::shortcuts/default #{"shift" "g"}} `scroll-bottom
;; TODO Move to metadata of var when possible
{::shortcuts/default ["g" "d"]} `portal.runtime.jvm.editor/goto-definition
{::shortcuts/default ["p" "p"]} `paste
{::shortcuts/default ["y"]} `copy
;; PWA
{::shortcuts/osx #{"meta" "o"}
::shortcuts/default #{"control" "o"}} `open-file
{::shortcuts/osx #{"meta" "v"}
::shortcuts/default #{"control" "v"}} `paste
{::shortcuts/default ["p" "s"]} `parse-selected
{::shortcuts/osx #{"meta" "d"}
::shortcuts/default #{"control" "d"}} `portal.extensions.pwa/open-demo})
(def ^:private aliases {"cljs.core" "clojure.core"})
(defn- var->name [var]
(let [{:keys [name ns]} (meta var)
ns (str ns)]
(symbol (aliases ns ns) (str name))))
(defn- find-combos [command]
(let [command-name (or (:name command)
(var->name command))]
(sort-by
#(into [] (sort %))
(keep
(fn [[combo f]]
(when (= f command-name)
(shortcuts/get-shortcut combo)))
keymap))))
(def ^:private shortcut->symbol
{"arrowright" [icons/arrow-right {:size "xs"}]
"arrowleft" [icons/arrow-left {:size "xs"}]
"arrowup" [icons/arrow-up {:size "xs"}]
"arrowdown" [icons/arrow-down {:size "xs"}]
"meta" "⌘"
" " "SPACE"
"control" "CTRL"})
(defn ^:private combo-order [k]
(get {"control" 0 "meta" 1 "shift" 2 "alt" 3} k 4))
(defn- separate [coll]
(let [theme (theme/use-theme)]
[:<>
(drop-last
(interleave
coll
(for [i (-> coll count range)]
^{:key i}
[s/div
{:style {:box-sizing :border-box
:padding-left (:padding theme)
:padding-right (:padding theme)}}
[s/div {:style {:height "100%"
:border-right [1 :solid (::c/border theme)]}}]])))]))
(defn shortcut [command]
(let [theme (theme/use-theme)]
[s/div {:style
{:display :flex
:align-items :stretch
:white-space :nowrap}}
[separate
(for [combo (find-combos command)]
[:<>
{:key (hash combo)}
(map-indexed
(fn [index k]
[s/div
{:key index
:style
{:display :flex
:align-items :center
:background "#0002"
:border-radius (:border-radius theme)
:box-sizing :border-box
:padding-top (* 0.25 (:padding theme))
:padding-bottom (* 0.25 (:padding theme))
:padding-left (:padding theme)
:padding-right (:padding theme)
:margin-right (* 0.5 (:padding theme))
:margin-left (* 0.5 (:padding theme))}}
(get shortcut->symbol k (.toUpperCase k))])
(sort-by combo-order combo))])]]))
(defn- palette-component-item [props & children]
(let [theme (theme/use-theme)
{:keys [active? on-click]} props]
(into
[s/div
{:on-click on-click
:style
(merge
{:border-left [5 :solid "#0000"]
:cursor :pointer
:display :flex
:justify-content :space-between
:align-items :center
:height :fit-content
:box-sizing :border-box
:padding-left (:padding theme)
:padding-top (* 0.5 (:padding theme))
:padding-bottom (* 0.5 (:padding theme))}
(when active?
{:border-left [5 :solid (::c/boolean theme)]
:background (::c/background theme)}))
:style/hover
{:background (::c/background theme)}}]
children)))
(defn- stringify [props option]
(pr-str
(if-let [filter-by (:filter-by props)]
(filter-by option)
option)))
(defn- filter-options [props text]
(if (str/blank? text)
(:options props)
(let [words (str/split text #"\s+")]
(for [option (:options props)
:let [s (stringify props option)]
:when (every? #(str/includes? s %) words)]
option))))
(defn- palette-component []
(let [active (r/atom 0)
filter-text (r/atom "")]
(fn [{:keys [on-select component]
:or {component ins/inspector}
:as options}]
(let [theme (theme/use-theme)
options (filter-options options @filter-text)
n (count options)
on-close (partial close (state/use-state))
on-select
(fn []
(reset! filter-text "")
(on-close)
(when-let [option (nth options @active)]
;; Give react time to close command palette
(js/setTimeout #(on-select option) 25)))]
[with-shortcuts
(fn [log]
(when
(condp shortcuts/match? log
"arrowup" (swap! active #(mod (dec %) n))
#{"shift" "tab"} (swap! active #(mod (dec %) n))
"arrowdown" (swap! active #(mod (inc %) n))
"tab" (swap! active #(mod (inc %) n))
"enter" (on-select)
"escape" (on-close)
nil)
(shortcuts/matched! log)))
[palette-container
[s/div
{:style
{:padding (:padding theme)
:border-bottom [1 :solid (::c/border theme)]}}
[s/input
{:placeholder "Type to filter, <up> and <down> to move selection, <enter> to confirm."
:auto-focus true
:value @filter-text
:on-change #(do
(reset! active 0)
(reset! filter-text (.-value (.-target %))))
:style
{:width "100%"
:background (::c/background theme)
:padding (:padding theme)
:box-sizing :border-box
:font-size (:font-size theme)
:font-family (:font-family theme)
:color (::c/text theme)
:border [1 :solid (::c/border theme)]}
:style/placeholder {:color (::c/border theme)}}]]
[s/div
{:style
{:height "100%"
:overflow :auto}}
(->> options
(map-indexed
(fn [index option]
(let [active? (= index @active)
on-click (fn [e]
(.stopPropagation e)
(reset! active index)
(on-select))]
^{:key index}
[:<>
(when active? [scroll-into-view])
[palette-component-item
{:active? active?
:on-click on-click}
[component
{:active? active?
:on-click on-click}
option]]])))
doall)]]]))))
(defn- catch* [value]
(-> js/Promise (.resolve value) (.catch ex-data)))
(defn- can-meta? [value] (implements? IWithMeta value))
(defn- with-meta* [obj m]
(if-not (can-meta? obj)
obj
(vary-meta obj #(merge m %))))
(defn make-command [{:keys [name command predicate args f] :as opts}]
(assoc opts
:predicate (fn [state]
(if-not predicate
true
(apply predicate (state/selected-values state))))
:run (fn [state]
(a/let [selected (for [context (:selected @state)]
(with-meta*
(:value context)
{:portal.viewer/default (:name (ins/get-viewer state context))}))
args (when args (binding [*state* state] (apply args selected)))
result (catch* (apply f (concat selected args)))]
(when-not command
(state/dispatch!
state
state/history-push
{:portal/key name
:portal/f f
:portal/args args
:portal/value result}))))))
(defn- command-item [{:keys [active?]} command]
(let [theme (theme/use-theme)]
[s/div
{:style {:width "100%"}}
[s/div
{:style
{:width "100%"
:display :flex
:align-items :center
:justify-content :space-between}}
[ins/inspector (:name command)]
[shortcut command]]
(when active?
(when-let [doc (:doc command)]
[s/div
{:style
{:box-sizing :border-box
:padding (:padding theme)
:background "rgba(0,0,0,0.20)"
:color (::c/text theme)}}
doc]))]))
(def ^:no-doc registry
(atom ^{:portal.viewer/default :portal.viewer/table
:portal.viewer/table {:columns [:doc :command]}} {}))
(def ^:no-doc runtime-registry (atom nil))
(defn- get-commands []
(concat @runtime-registry (vals @registry)))
(defn ^:command open-command-palette
"Show All Commands"
[state]
(a/let [commands (sort-by
:name
(remove
(fn [option]
(or
(#{`open-command-palette}
(:name option))
(when-let [predicate (:predicate option)]
(not (predicate @state)))))
(get-commands)))]
(open
state
(fn [state]
[palette-component
{:filter-by :name
:options commands
:component command-item
:on-select
(fn [command]
((:run command) state))}]))))
;; pick args
(defn pick-one
([options] (pick-one *state* options))
([state options]
(js/Promise.
(fn [resolve]
(open
state
(fn [_state]
[palette-component
{:on-select #(resolve [%])
:options options}]))))))
(defn pick-many
([options]
(pick-many *state* options))
([state options]
(js/Promise.
(fn [resolve]
(open
state
(fn []
(let [state (state/use-state)]
[selector-component
{:options options
:run
(fn [options]
(close state)
(resolve [options]))}])))))))
(defn pick-in
([v]
(pick-in *state* v))
([state v]
(js/Promise.
(fn [resolve]
(let [get-key
(fn get-key [path v]
(open
state
(fn [_state]
[palette-component
{:options (concat [::done] (keys v))
:on-select
(fn [k]
(let [path (conj path k)
next-value (get v k)]
(cond
(= k ::done)
(resolve [(drop-last path)])
(not (map? next-value))
(resolve [path])
:else
(get-key path next-value))))}])))]
(get-key [] v))))))
;; portal data commands
(defn- coll-of-maps [value]
(and (not (map? value))
(coll? value)
(every? map? value)))
(defn- map-of-maps [value]
(and (map? value) (every? map? (vals value))))
(defn- coll-keys [value]
(into [] (set (mapcat keys value))))
(defn- map-keys [value]
(coll-keys (vals value)))
(defn- columns [value]
(cond
(map? value) (map-keys value)
:else (coll-keys value)))
(defn transpose-map
"Transpose a map."
[value]
(with-meta
(reduce
(fn [m path]
(assoc-in m (reverse path) (get-in value path)))
{}
(for [row (keys value)
column (map-keys value)
:when (contains? (get value row) column)]
[row column]))
(meta value)))
(defn select-columns
"Select column from list-of-maps or map-of-maps."
[value ks]
(with-meta
(cond
(map? value)
(reduce-kv
(fn [v k m]
(assoc v k (select-keys m ks)))
value
value)
:else (map #(select-keys % ks) value))
(meta value)))
(defn pprint
"Pretty print selected value to a string"
[value]
(with-out-str (pp/pprint value)))
(defn- copy-to-clipboard! [s]
(let [el (js/document.createElement "textarea")]
(set! (.-value el) s)
(js/document.body.appendChild el)
(.select el)
(js/document.execCommand "copy")
(js/document.body.removeChild el)))
(defn- copy-edn! [value]
(copy-to-clipboard!
(str/trim
(with-out-str
(binding [*print-meta* true
*print-length* 1000
*print-level* 100]
(pp/pprint value))))))
(defn- selected-values [state-val]
(let [values (state/selected-values state-val)]
(if (= (count values) 1)
(first values)
values)))
(defn ^:command copy
"Copy selected value as an edn string to the clipboard."
[state]
(if-let [selection (not-empty (.. js/window getSelection toString))]
(copy-to-clipboard! selection)
(copy-edn! (selected-values @state))))
(defn- pprint-json [v]
(.stringify js/JSON v nil 2))
(defn ^:command copy-json
"Copy selected value as a json string to the clipboard."
[state]
(-> @state
selected-values
clj->js
pprint-json
str/trim
copy-to-clipboard!))
(defn ^:command select-none
"Deselect all values."
[state]
(state/dispatch! state dissoc :selected))
(defn ^:command select-pop
[state]
(state/dispatch! state state/select-pop))
(defn ^:command select-viewer
"Set the viewer for the currently selected value(s)."
[state]
(when-let [selected-context (state/get-all-selected-context @state)]
(let [viewers (ins/get-compatible-viewers @ins/viewers selected-context)]
(when (> (count viewers) 1)
(a/let [[selected-viewer] (pick-one state (map :name viewers))]
(ins/set-viewer! state selected-context selected-viewer))))))
(defn- get-viewer [state context direction]
(let [viewers (map :name (ins/get-compatible-viewers @ins/viewers context))
current (:name (ins/get-viewer state (first context)))]
(when (> (count viewers) 1)
(some
(fn [[prev next]]
(case direction
:prev (when (= next current) prev)
:next (when (= prev current) next)))
(partition 2 1 (conj viewers (last viewers)))))))
(defn ^:command select-prev-viewer [state]
(when-let [selected-context (state/get-all-selected-context @state)]
(when-let [prev-viewer (get-viewer state selected-context :prev)]
(ins/set-viewer! state selected-context prev-viewer))))
(defn ^:command select-next-viewer [state]
(when-let [selected-context (state/get-all-selected-context @state)]
(when-let [next-viewer (get-viewer state selected-context :next)]
(ins/set-viewer! state selected-context next-viewer))))
(defn ^:command copy-path
"Copy the path from the root value to the currently selected item."
[state]
(when-let [path (state/get-path @state)]
(copy-edn! path)))
(defonce search-refs (atom #{}))
(defn ^:command focus-filter [_]
(doseq [ref @search-refs]
(when-let [input (.-current ref)] (.focus input))))
(defn ^:command clear-filter [state]
(state/dispatch! state dissoc :search-text))
(defn ^:command scroll-top [state]
(when-let [el (:scroll-element @state)]
(.scroll el #js {:top 0})))
(defn ^:command scroll-bottom [state]
(when-let [el (:scroll-element @state)]
(.scroll el #js {:top (+ (.-scrollHeight el) 1000)})))
(defn ^:command toggle-shell
"Toggle visibility of top / bottom helper UX. Allows for a value focused session."
[state]
(state/dispatch! state update :disable-shell? not))
(defn- apply-selected [state f]
(if-let [selected (state/get-selected-context @state)]
(state/dispatch! state f selected)
(state/dispatch! state state/select-root)))
(defn ^:command select-root [state]
(state/dispatch! state state/select-root))
(defn ^:command select-prev [state]
(apply-selected state state/select-prev))
(defn ^:command select-next [state]
(apply-selected state state/select-next))
(defn ^:command select-parent [state]
(apply-selected state state/select-parent))
(defn ^:command select-child [state]
(apply-selected state state/select-child))
(defn ^:command focus-selected [state]
(apply-selected state state/focus-selected))
(defn ^:command toggle-expand
"Expand or collapse currently selected values."
[state]
(state/dispatch! state state/toggle-expand))
(defn ^:command expand-inc
"Expand 1 additional layer of children from selected values."
[state]
(state/dispatch! state state/expand-inc))
(defn ^:command redo-previous-command [state]
(a/let [commands (::state/previous-commands @state)]
(when (seq commands)
(open
(fn [_state]
[palette-component
{:options commands
:filter-by :portal/key
:on-select
(fn [command]
(a/let [k (:portal/key command)
f (or (:portal/f command)
(if (keyword? k)
k
(partial state/invoke (:portal/key command))))
args (:portal/args command)
value (apply f (state/get-selected-value @state) args)]
(state/dispatch!
state
state/history-push
(assoc command :portal/value value))))
:component
(fn [command]
[s/div
{:style {:display :flex
:justify-content :space-between
:overflow :hidden
:align-items :center
:text-overflow :ellipsis
:white-space :nowrap}}
[ins/inspector (:portal/key command)]
[s/div
{:style {:opacity 0.5}}
(for [a (:portal/args command)] (pr-str a))]])}])))))
(defn ^:command set-theme [state]
(a/let [[theme] (pick-one state (keys c/themes))]
(state/dispatch! state state/set-theme! theme)))
(defn ^:command history-back [state]
(state/dispatch! state state/history-back))
(defn ^:command history-forward [state]
(state/dispatch! state state/history-forward))
(defn ^:command history-first [state]
(state/dispatch! state state/history-first))
(defn ^:command history-last [state]
(state/dispatch! state state/history-last))
(defn ^:command clear [state]
(state/dispatch! state state/clear))
(defn ^:command show-rpc-log
"Show up to the last 10 RPC the Portal UI has made."
[state]
(state/dispatch! state state/history-push {:portal/value @state/log}))
(defn- then-first [value] (.then value first))
(defn- when-one [f]
(fn [& args]
(when (= (count args) 1)
(f (first args)))))
(def ^:private clojure-commands
{#'clojure.core/vals {:predicate map?}
#'clojure.core/keys {:predicate map?}
#'clojure.core/count {:predicate #(or (coll? %) (string? %))}
#'clojure.core/first {:predicate coll?}
#'clojure.core/rest {:predicate coll?}
#'clojure.core/get {:predicate map? :args (when-one (comp pick-one keys))}
#'clojure.core/get-in {:predicate map? :args (when-one pick-in)}
#'clojure.core/select-keys {:predicate map? :args (when-one (comp pick-many keys))}
#'walk/keywordize-keys {}
#'clojure.core/dissoc {:predicate map? :args (when-one (comp then-first pick-many keys))}
#'clojure.core/vector {}
#'clojure.core/str {}
#'clojure.core/concat {:predicate (fn [& args] (every? coll? args))}
#'clojure.core/contains? {:predicate (fn [coll & args]
(and (coll? coll) (= (count args) 1)))}
#'clojure.core/merge {:predicate (fn [& args] (every? map? args))}})
(def ^:private portal-data-commands
{#'pprint {:name 'portal.data/pprint
:predicate any?}
#'transpose-map {:predicate map-of-maps
:name 'portal.data/transpose-map}
#'select-columns {:predicate (some-fn coll-of-maps map-of-maps)
:args (comp pick-many columns)
:name 'portal.data/select-columns}})
(defn register!
([var] (register! var {}))
([var opts]
(let [name (var->name var)]
(swap! registry
assoc name (merge {:name name
:run var
:doc (:doc (meta var))}
opts)))))
(doseq [var (vals (ns-publics 'portal.ui.commands))
:when (-> var meta :command)]
(register! var))
(doseq [[var opts] (merge clojure-commands portal-data-commands)]
(let [name (var->name var)]
(swap! registry
assoc name (make-command (merge (meta var) {:f var :name name} opts)))))
(defn- nav [state]
(state/dispatch!
state
state/nav
(state/get-selected-context @state)))
(register! #'nav {:name 'clojure.datafy/nav
:predicate (comp :collection state/get-selected-context)})
(defn- get-style []
(some-> js/document
(.getElementsByTagName "html")
(aget 0)
(.getAttribute "style")
not-empty))
(defn- get-vs-code-css-vars []
(when-let [style (get-style)]
(persistent!
(reduce
(fn [vars rule]
(if-let [[attr value] (str/split rule #"\s*:\s*")]
(assoc! vars attr value)
vars))
(transient {})
(str/split style #"\s*;\s*")))))
(defn- vs-code-vars
"List all available css variable provided by vs-code."
[state]
(state/dispatch!
state
state/history-push
{:portal/value (get-vs-code-css-vars)}))
(register! #'vs-code-vars {:predicate theme/is-vs-code?})
(defn copy-str
"Copy string to the clipboard."
[state]
(copy-to-clipboard! (state/get-selected-value @state)))
(register! #'copy-str {:predicate (comp string? state/get-selected-value)})
(defn- prompt-file []
(js/Promise.
(fn [resolve _reject]
(let [id "open-file-dialog"
input (or
(js/document.getElementById id)
(js/document.createElement "input"))]
(set! (.-id input) id)
(set! (.-type input) "file")
(set! (.-multiple input) "true")
(set! (.-style input) "visibility:hidden")
(.addEventListener
input
"change"
(fn [event]
(a/let [value (dnd/handle-files (-> event .-target .-files))]
(resolve value)))