49 lines
1.6 KiB
TypeScript
49 lines
1.6 KiB
TypeScript
import { Command, type CommandResult } from "@/lib/commands/base-command";
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import type { TimelineTrack } from "@/lib/timeline";
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import { canElementBeHidden } from "@/lib/timeline/element-utils";
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import { EditorCore } from "@/core";
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export class ToggleElementsVisibilityCommand extends Command {
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private savedState: TimelineTrack[] | null = null;
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constructor(private elements: { trackId: string; elementId: string }[]) {
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super();
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}
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execute(): CommandResult | undefined {
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const editor = EditorCore.getInstance();
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this.savedState = editor.timeline.getTracks();
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const shouldHide = this.elements.some(({ trackId, elementId }) => {
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const track = this.savedState?.find((t) => t.id === trackId);
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const element = track?.elements.find((e) => e.id === elementId);
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return element && canElementBeHidden(element) && !element.hidden;
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});
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const updatedTracks = this.savedState.map((track) => {
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const newElements = track.elements.map((element) => {
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const shouldUpdate = this.elements.some(
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({ trackId, elementId }) =>
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track.id === trackId && element.id === elementId,
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);
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return shouldUpdate &&
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canElementBeHidden(element) &&
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element.hidden !== shouldHide
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? { ...element, hidden: shouldHide }
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: element;
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});
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return { ...track, elements: newElements } as typeof track;
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});
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editor.timeline.updateTracks(updatedTracks);
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return undefined;
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}
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undo(): void {
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if (this.savedState) {
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const editor = EditorCore.getInstance();
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editor.timeline.updateTracks(this.savedState);
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}
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}
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}
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