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import { EditorCore } from "@/core";
import { Command, type CommandResult } from "@/commands/base-command";
import { isMaskableElement, updateElementInSceneTracks } from "@/timeline";
import type { Mask } from "@/masks/types";
import type { SceneTracks, MaskableElement } from "@/timeline";
export function toggleMaskInvertedOnElement({
element,
maskId,
}: {
element: MaskableElement;
maskId: string;
}): MaskableElement {
const currentMasks = element.masks ?? [];
const toggleMask = <TMask extends Mask>(mask: TMask): TMask => ({
...mask,
params: {
...mask.params,
inverted: !mask.params.inverted,
},
});
const updatedMasks = currentMasks.map((mask) =>
mask.id !== maskId ? mask : toggleMask(mask),
);
return { ...element, masks: updatedMasks };
}
export class ToggleMaskInvertedCommand extends Command {
private savedState: SceneTracks | null = null;
private readonly trackId: string;
private readonly elementId: string;
private readonly maskId: string;
constructor({
trackId,
elementId,
maskId,
}: {
trackId: string;
elementId: string;
maskId: string;
}) {
super();
this.trackId = trackId;
this.elementId = elementId;
this.maskId = maskId;
}
execute(): CommandResult | undefined {
const editor = EditorCore.getInstance();
this.savedState = editor.scenes.getActiveScene().tracks;
const updatedTracks = updateElementInSceneTracks({
tracks: this.savedState,
trackId: this.trackId,
elementId: this.elementId,
elementPredicate: isMaskableElement,
update: (element) => {
if (!isMaskableElement(element)) return element;
return toggleMaskInvertedOnElement({
element,
maskId: this.maskId,
});
},
});
editor.timeline.updateTracks(updatedTracks);
return undefined;
}
undo(): void {
if (this.savedState) {
const editor = EditorCore.getInstance();
editor.timeline.updateTracks(this.savedState);
}
}
}
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