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import { Command, type CommandResult } from "@/lib/commands/base-command";
import type { TimelineElement, TimelineTrack } from "@/lib/timeline";
import { EditorCore } from "@/core";
import { updateElementInTracks } from "@/lib/timeline";
export class UpdateElementCommand extends Command {
private savedState: TimelineTrack[] | null = null;
private readonly trackId: string;
private readonly elementId: string;
private readonly updates: Partial<TimelineElement>;
constructor({
trackId,
elementId,
updates,
}: {
trackId: string;
elementId: string;
updates: Partial<TimelineElement>;
}) {
super();
this.trackId = trackId;
this.elementId = elementId;
this.updates = updates;
}
execute(): CommandResult | undefined {
const editor = EditorCore.getInstance();
this.savedState = editor.timeline.getTracks();
const updatedTracks = updateElementInTracks({
tracks: this.savedState,
trackId: this.trackId,
elementId: this.elementId,
update: (element) => ({ ...element, ...this.updates }) as TimelineElement,
});
editor.timeline.updateTracks(updatedTracks);
return undefined;
}
undo(): void {
if (this.savedState) {
const editor = EditorCore.getInstance();
editor.timeline.updateTracks(this.savedState);
}
}
}
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