75 lines
1.8 KiB
TypeScript
75 lines
1.8 KiB
TypeScript
import { Command, type CommandResult } from "@/commands/base-command";
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import { EditorCore } from "@/core";
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import { isVisualElement, updateElementInSceneTracks } from "@/timeline";
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import type { SceneTracks, VisualElement } from "@/model";
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function reorderEffectsOnElement({
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element,
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fromIndex,
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toIndex,
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}: {
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element: VisualElement;
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fromIndex: number;
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toIndex: number;
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}): VisualElement {
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const effects = [...(element.effects ?? [])];
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const [moved] = effects.splice(fromIndex, 1);
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effects.splice(toIndex, 0, moved);
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return { ...element, effects };
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}
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export class ReorderClipEffectsCommand extends Command {
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private savedState: SceneTracks | null = null;
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private readonly trackId: string;
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private readonly elementId: string;
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private readonly fromIndex: number;
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private readonly toIndex: number;
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constructor({
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trackId,
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elementId,
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fromIndex,
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toIndex,
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}: {
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trackId: string;
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elementId: string;
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fromIndex: number;
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toIndex: number;
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}) {
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super();
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this.trackId = trackId;
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this.elementId = elementId;
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this.fromIndex = fromIndex;
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this.toIndex = toIndex;
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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.scenes.getActiveScene().tracks;
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const updatedTracks = updateElementInSceneTracks({
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tracks: this.savedState,
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trackId: this.trackId,
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elementId: this.elementId,
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elementPredicate: isVisualElement,
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update: (element) => {
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return reorderEffectsOnElement({
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element: element as VisualElement,
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fromIndex: this.fromIndex,
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toIndex: this.toIndex,
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});
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},
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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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