73 lines
1.7 KiB
TypeScript
73 lines
1.7 KiB
TypeScript
import { Command, type CommandResult } from "@/commands/base-command";
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import type { SceneTracks } from "@/timeline";
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import { EditorCore } from "@/core";
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import type { TimelineTrack } from "@/timeline";
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function removeTrackElements<TTrack extends TimelineTrack>({
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track,
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elements,
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}: {
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track: TTrack;
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elements: { trackId: string; elementId: string }[];
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}): TTrack {
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const nextElements = track.elements.filter(
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(element) =>
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!elements.some(
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(target) =>
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target.trackId === track.id && target.elementId === element.id,
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),
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);
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return { ...track, elements: nextElements } as TTrack;
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}
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export class DeleteElementsCommand extends Command {
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private savedState: SceneTracks | null = null;
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private readonly elements: { trackId: string; elementId: string }[];
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constructor({
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elements,
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}: {
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elements: { trackId: string; elementId: string }[];
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}) {
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super();
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this.elements = elements;
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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: SceneTracks = {
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overlay: this.savedState.overlay.map((track) =>
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removeTrackElements({ track, elements: this.elements }),
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),
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main: removeTrackElements({
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track: this.savedState.main,
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elements: this.elements,
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}),
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audio: this.savedState.audio.map((track) =>
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removeTrackElements({ track, elements: this.elements }),
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),
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};
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editor.timeline.updateTracks(updatedTracks);
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return {
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selection: {
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selectedElements: [],
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selectedKeyframes: [],
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keyframeSelectionAnchor: null,
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selectedMaskPoints: null,
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},
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};
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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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