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import { Command } from "@/lib/commands/base-command";
import { EditorCore } from "@/core";
import { isVisualElement, updateElementInTracks } from "@/lib/timeline";
import type { ParamValues } from "@/lib/params";
import type { TimelineTrack, VisualElement } from "@/lib/timeline";
function updateEffectParamsOnElement({
element,
effectId,
params,
}: {
element: VisualElement;
effectId: string;
params: Partial<ParamValues>;
}): VisualElement {
const currentEffects = element.effects ?? [];
const updated = currentEffects.map((effect) => {
if (effect.id !== effectId) {
return effect;
}
const nextParams = { ...effect.params };
for (const [key, value] of Object.entries(params)) {
if (value !== undefined) {
nextParams[key] = value;
}
}
return { ...effect, params: nextParams };
});
return { ...element, effects: updated };
}
export class UpdateClipEffectParamsCommand extends Command {
private savedState: TimelineTrack[] | null = null;
private readonly trackId: string;
private readonly elementId: string;
private readonly effectId: string;
private readonly params: Partial<ParamValues>;
constructor({
trackId,
elementId,
effectId,
params,
}: {
trackId: string;
elementId: string;
effectId: string;
params: Partial<ParamValues>;
}) {
super();
this.trackId = trackId;
this.elementId = elementId;
this.effectId = effectId;
this.params = params;
}
execute(): void {
const editor = EditorCore.getInstance();
this.savedState = editor.timeline.getTracks();
const updatedTracks = updateElementInTracks({
tracks: this.savedState,
trackId: this.trackId,
elementId: this.elementId,
elementPredicate: isVisualElement,
update: (element) => {
return updateEffectParamsOnElement({
element: element as VisualElement,
effectId: this.effectId,
params: this.params,
});
},
});
editor.timeline.updateTracks(updatedTracks);
}
undo(): void {
if (this.savedState) {
const editor = EditorCore.getInstance();
editor.timeline.updateTracks(this.savedState);
}
}
}
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