49 lines
1.4 KiB
TypeScript
49 lines
1.4 KiB
TypeScript
import { createOpaqueId } from "../core/ids";
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import type { EditorCommand } from "./command";
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export function createSetActiveSceneCommand(nextSceneId: string): EditorCommand {
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let previousSceneId: string | null = null;
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return {
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id: createOpaqueId("command"),
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label: "Switch active scene",
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execute(context) {
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const currentProjectDocument = context.getProjectDocument();
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if (currentProjectDocument.scenes[nextSceneId] === undefined) {
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throw new Error(`Cannot activate missing scene ${nextSceneId}.`);
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}
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if (previousSceneId === null) {
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previousSceneId = currentProjectDocument.activeSceneId;
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}
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context.setProjectDocument({
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...currentProjectDocument,
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activeSceneId: nextSceneId
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});
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context.setSelection({ kind: "none" });
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context.setToolMode("select");
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},
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undo(context) {
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if (previousSceneId === null) {
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return;
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}
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const currentProjectDocument = context.getProjectDocument();
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if (currentProjectDocument.scenes[previousSceneId] === undefined) {
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throw new Error(`Cannot restore missing scene ${previousSceneId}.`);
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}
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context.setProjectDocument({
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...currentProjectDocument,
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activeSceneId: previousSceneId
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});
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context.setSelection({ kind: "none" });
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context.setToolMode("select");
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}
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};
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}
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