diff options
Diffstat (limited to 'apps/web/src/constants/actions.ts')
| -rw-r--r-- | apps/web/src/constants/actions.ts | 300 |
1 files changed, 150 insertions, 150 deletions
diff --git a/apps/web/src/constants/actions.ts b/apps/web/src/constants/actions.ts index 644bb0ec..5f1883f1 100644 --- a/apps/web/src/constants/actions.ts +++ b/apps/web/src/constants/actions.ts @@ -3,49 +3,49 @@ */ import { - useEffect, - useRef, - useState, - useCallback, - MutableRefObject, + useEffect, + useRef, + useState, + useCallback, + MutableRefObject, } from "react"; // Simple event emitter for action changes class ActionEmitter { - private listeners: Array<(actions: Action[]) => void> = []; + private listeners: Array<(actions: Action[]) => void> = []; - subscribe(listener: (actions: Action[]) => void) { - this.listeners.push(listener); - return () => { - this.listeners = this.listeners.filter((l) => l !== listener); - }; - } + subscribe(listener: (actions: Action[]) => void) { + this.listeners.push(listener); + return () => { + this.listeners = this.listeners.filter((l) => l !== listener); + }; + } - emit(actions: Action[]) { - this.listeners.forEach((listener) => listener(actions)); - } + emit(actions: Action[]) { + this.listeners.forEach((listener) => listener(actions)); + } } const actionEmitter = new ActionEmitter(); export type Action = - | "toggle-play" // Toggle play/pause state - | "stop-playback" // Stop playback - | "seek-forward" // Seek forward in playback - | "seek-backward" // Seek backward in playback - | "frame-step-forward" // Step forward by one frame - | "frame-step-backward" // Step backward by one frame - | "jump-forward" // Jump forward by 5 seconds - | "jump-backward" // Jump backward by 5 seconds - | "goto-start" // Go to timeline start - | "goto-end" // Go to timeline end - | "split-element" // Split element at current time - | "delete-selected" // Delete selected elements - | "select-all" // Select all elements - | "duplicate-selected" // Duplicate selected element - | "toggle-snapping" // Toggle snapping - | "undo" // Undo last action - | "redo"; // Redo last undone action + | "toggle-play" // Toggle play/pause state + | "stop-playback" // Stop playback + | "seek-forward" // Seek forward in playback + | "seek-backward" // Seek backward in playback + | "frame-step-forward" // Step forward by one frame + | "frame-step-backward" // Step backward by one frame + | "jump-forward" // Jump forward by 5 seconds + | "jump-backward" // Jump backward by 5 seconds + | "goto-start" // Go to timeline start + | "goto-end" // Go to timeline end + | "split-element" // Split element at current time + | "delete-selected" // Delete selected elements + | "select-all" // Select all elements + | "duplicate-selected" // Duplicate selected element + | "toggle-snapping" // Toggle snapping + | "undo" // Undo last action + | "redo"; // Redo last undone action /** * Defines the arguments, if present for a given type that is required to be passed on @@ -59,14 +59,14 @@ export type Action = * will know if you got something wrong if there is a type error in this file */ type ActionArgsMap = { - "seek-forward": { seconds: number } | undefined; // Args needed for seeking forward (default: 1) - "seek-backward": { seconds: number } | undefined; // Args needed for seeking backward (default: 1) - "jump-forward": { seconds: number } | undefined; // Args needed for jumping forward (default: 5) - "jump-backward": { seconds: number } | undefined; // Args needed for jumping backward (default: 5) + "seek-forward": { seconds: number } | undefined; // Args needed for seeking forward (default: 1) + "seek-backward": { seconds: number } | undefined; // Args needed for seeking backward (default: 1) + "jump-forward": { seconds: number } | undefined; // Args needed for jumping forward (default: 5) + "jump-backward": { seconds: number } | undefined; // Args needed for jumping backward (default: 5) }; type KeysWithValueUndefined<T> = { - [K in keyof T]: undefined extends T[K] ? K : never; + [K in keyof T]: undefined extends T[K] ? K : never; }[keyof T]; /** @@ -79,8 +79,8 @@ export type ActionWithArgs = keyof ActionArgsMap; */ export type ActionWithOptionalArgs = - | ActionWithNoArgs - | KeysWithValueUndefined<ActionArgsMap>; + | ActionWithNoArgs + | KeysWithValueUndefined<ActionArgsMap>; /** * Actions which do not require arguments for their invocation @@ -91,18 +91,18 @@ export type ActionWithNoArgs = Exclude<Action, ActionWithArgs>; * Resolves the argument type for a given Action */ type ArgOfHoppAction<A extends Action> = A extends ActionWithArgs - ? ActionArgsMap[A] - : undefined; + ? ActionArgsMap[A] + : undefined; /** * Resolves the action function for a given Action, used by action handler function defs */ type ActionFunc<A extends Action> = A extends ActionWithArgs - ? (arg: ArgOfHoppAction<A>, trigger?: InvocationTriggers) => void - : (_?: undefined, trigger?: InvocationTriggers) => void; + ? (arg: ArgOfHoppAction<A>, trigger?: InvocationTriggers) => void + : (_?: undefined, trigger?: InvocationTriggers) => void; type BoundActionList = { - [A in Action]?: Array<ActionFunc<A>>; + [A in Action]?: Array<ActionFunc<A>>; }; const boundActions: BoundActionList = {}; @@ -110,34 +110,34 @@ const boundActions: BoundActionList = {}; let currentActiveActions: Action[] = []; function updateActiveActions() { - const newActions = Object.keys(boundActions) as Action[]; - currentActiveActions = newActions; - actionEmitter.emit(newActions); + const newActions = Object.keys(boundActions) as Action[]; + currentActiveActions = newActions; + actionEmitter.emit(newActions); } export function bindAction<A extends Action>( - action: A, - handler: ActionFunc<A>, + action: A, + handler: ActionFunc<A> ) { - if (boundActions[action]) { - boundActions[action]?.push(handler); - } else { - // 'any' assertion because TypeScript doesn't seem to be able to figure out the links. - boundActions[action] = [handler] as any; - } + if (boundActions[action]) { + boundActions[action]?.push(handler); + } else { + // 'any' assertion because TypeScript doesn't seem to be able to figure out the links. + boundActions[action] = [handler] as any; + } - updateActiveActions(); + updateActiveActions(); } export type InvocationTriggers = "keypress" | "mouseclick"; type InvokeActionFunc = { - ( - action: ActionWithOptionalArgs, - args?: undefined, - trigger?: InvocationTriggers, - ): void; - <A extends ActionWithArgs>(action: A, args: ActionArgsMap[A]): void; + ( + action: ActionWithOptionalArgs, + args?: undefined, + trigger?: InvocationTriggers + ): void; + <A extends ActionWithArgs>(action: A, args: ActionArgsMap[A]): void; }; /** @@ -148,27 +148,27 @@ type InvokeActionFunc = { * @param trigger Optionally supply the trigger that invoked the action (keypress/mouseclick) */ export const invokeAction: InvokeActionFunc = <A extends Action>( - action: A, - args?: ArgOfHoppAction<A>, - trigger?: InvocationTriggers, + action: A, + args?: ArgOfHoppAction<A>, + trigger?: InvocationTriggers ) => { - boundActions[action]?.forEach((handler) => (handler as any)(args, trigger)); + boundActions[action]?.forEach((handler) => (handler as any)(args, trigger)); }; export function unbindAction<A extends Action>( - action: A, - handler: ActionFunc<A>, + action: A, + handler: ActionFunc<A> ) { - // 'any' assertion because TypeScript doesn't seem to be able to figure out the links. - boundActions[action] = boundActions[action]?.filter( - (x) => x !== handler, - ) as any; + // 'any' assertion because TypeScript doesn't seem to be able to figure out the links. + boundActions[action] = boundActions[action]?.filter( + (x) => x !== handler + ) as any; - if (boundActions[action]?.length === 0) { - delete boundActions[action]; - } + if (boundActions[action]?.length === 0) { + delete boundActions[action]; + } - updateActiveActions(); + updateActiveActions(); } /** @@ -177,7 +177,7 @@ export function unbindAction<A extends Action>( * @param action The action to check */ export function isActionBound(action: Action): boolean { - return !!boundActions[action]; + return !!boundActions[action]; } /** @@ -189,65 +189,65 @@ export function isActionBound(action: Action): boolean { * @param isActive A ref that indicates whether the action is active */ export function useActionHandler<A extends Action>( - action: A, - handler: ActionFunc<A>, - isActive: MutableRefObject<boolean> | boolean | undefined = undefined, + action: A, + handler: ActionFunc<A>, + isActive: MutableRefObject<boolean> | boolean | undefined = undefined ) { - const handlerRef = useRef(handler); - const [isBound, setIsBound] = useState(false); + const handlerRef = useRef(handler); + const [isBound, setIsBound] = useState(false); - // Update handler ref when handler changes - useEffect(() => { - handlerRef.current = handler; - }, [handler]); + // Update handler ref when handler changes + useEffect(() => { + handlerRef.current = handler; + }, [handler]); - // Create a stable handler wrapper - const stableHandler = useCallback( - (args: any, trigger?: InvocationTriggers) => { - (handlerRef.current as any)(args, trigger); - }, - [], - ) as ActionFunc<A>; + // Create a stable handler wrapper + const stableHandler = useCallback( + (args: any, trigger?: InvocationTriggers) => { + (handlerRef.current as any)(args, trigger); + }, + [] + ) as ActionFunc<A>; - useEffect(() => { - const shouldBind = - isActive === undefined || - (typeof isActive === "boolean" ? isActive : isActive.current); + useEffect(() => { + const shouldBind = + isActive === undefined || + (typeof isActive === "boolean" ? isActive : isActive.current); - if (shouldBind && !isBound) { - bindAction(action, stableHandler); - setIsBound(true); - } else if (!shouldBind && isBound) { - unbindAction(action, stableHandler); - setIsBound(false); - } + if (shouldBind && !isBound) { + bindAction(action, stableHandler); + setIsBound(true); + } else if (!shouldBind && isBound) { + unbindAction(action, stableHandler); + setIsBound(false); + } - return () => { - if (isBound) { - unbindAction(action, stableHandler); - setIsBound(false); - } - }; - }, [action, stableHandler, isActive, isBound]); + return () => { + if (isBound) { + unbindAction(action, stableHandler); + setIsBound(false); + } + }; + }, [action, stableHandler, isActive, isBound]); - // Handle ref-based isActive changes - useEffect(() => { - if (isActive && typeof isActive === "object" && "current" in isActive) { - // Poll for ref changes - const interval = setInterval(() => { - const shouldBind = isActive.current; - if (shouldBind !== isBound) { - if (shouldBind) { - bindAction(action, stableHandler); - } else { - unbindAction(action, stableHandler); - } - setIsBound(shouldBind); - } - }, 100); - return () => clearInterval(interval); - } - }, [action, stableHandler, isActive, isBound]); + // Handle ref-based isActive changes + useEffect(() => { + if (isActive && typeof isActive === "object" && "current" in isActive) { + // Poll for ref changes + const interval = setInterval(() => { + const shouldBind = isActive.current; + if (shouldBind !== isBound) { + if (shouldBind) { + bindAction(action, stableHandler); + } else { + unbindAction(action, stableHandler); + } + setIsBound(shouldBind); + } + }, 100); + return () => clearInterval(interval); + } + }, [action, stableHandler, isActive, isBound]); } /** @@ -255,18 +255,18 @@ export function useActionHandler<A extends Action>( * and re-renders when the list changes */ export function useActiveActions(): Action[] { - const [activeActions, setActiveActions] = useState<Action[]>([]); + const [activeActions, setActiveActions] = useState<Action[]>([]); - useEffect(() => { - // Set initial value - setActiveActions(currentActiveActions); + useEffect(() => { + // Set initial value + setActiveActions(currentActiveActions); - // Subscribe to changes - const unsubscribe = actionEmitter.subscribe(setActiveActions); - return unsubscribe; - }, []); + // Subscribe to changes + const unsubscribe = actionEmitter.subscribe(setActiveActions); + return unsubscribe; + }, []); - return activeActions; + return activeActions; } /** @@ -274,20 +274,20 @@ export function useActiveActions(): Action[] { * and re-renders when the binding state changes */ export function useIsActionBound(action: Action): boolean { - const [isBound, setIsBound] = useState(() => isActionBound(action)); + const [isBound, setIsBound] = useState(() => isActionBound(action)); - useEffect(() => { - const updateBoundState = () => { - setIsBound(isActionBound(action)); - }; + useEffect(() => { + const updateBoundState = () => { + setIsBound(isActionBound(action)); + }; - // Set initial value - updateBoundState(); + // Set initial value + updateBoundState(); - // Subscribe to changes - const unsubscribe = actionEmitter.subscribe(updateBoundState); - return unsubscribe; - }, [action]); + // Subscribe to changes + const unsubscribe = actionEmitter.subscribe(updateBoundState); + return unsubscribe; + }, [action]); - return isBound; + return isBound; } |
