91 lines
2.3 KiB
TypeScript
91 lines
2.3 KiB
TypeScript
import { createOpaqueId } from "../core/ids";
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import { cloneScenePath } from "../document/paths";
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import type { EditorCommand } from "./command";
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interface SetPathAuthoredStateCommandOptions {
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pathId: string;
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visible?: boolean;
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enabled?: boolean;
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}
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function createCommandLabel(options: SetPathAuthoredStateCommandOptions): string {
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if (options.enabled !== undefined && options.visible === undefined) {
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return options.enabled ? "Enable path" : "Disable path";
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}
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if (options.visible !== undefined && options.enabled === undefined) {
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return options.visible ? "Show path" : "Hide path";
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}
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return "Update path state";
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}
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export function createSetPathAuthoredStateCommand(
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options: SetPathAuthoredStateCommandOptions
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): EditorCommand {
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if (options.visible === undefined && options.enabled === undefined) {
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throw new Error("Path authored state command requires at least one change.");
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}
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let previousVisible: boolean | null = null;
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let previousEnabled: boolean | null = null;
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return {
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id: createOpaqueId("command"),
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label: createCommandLabel(options),
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execute(context) {
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const currentDocument = context.getDocument();
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const path = currentDocument.paths[options.pathId];
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if (path === undefined) {
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throw new Error(`Path ${options.pathId} does not exist.`);
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}
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if (previousVisible === null) {
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previousVisible = path.visible;
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}
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if (previousEnabled === null) {
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previousEnabled = path.enabled;
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}
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context.setDocument({
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...currentDocument,
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paths: {
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...currentDocument.paths,
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[path.id]: cloneScenePath({
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...path,
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visible: options.visible ?? path.visible,
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enabled: options.enabled ?? path.enabled
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})
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}
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});
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},
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undo(context) {
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if (previousVisible === null || previousEnabled === null) {
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return;
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}
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const currentDocument = context.getDocument();
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const path = currentDocument.paths[options.pathId];
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if (path === undefined) {
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return;
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}
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context.setDocument({
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...currentDocument,
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paths: {
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...currentDocument.paths,
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[path.id]: cloneScenePath({
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...path,
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visible: previousVisible,
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enabled: previousEnabled
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})
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}
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});
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}
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};
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}
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