50 lines
1.3 KiB
TypeScript
50 lines
1.3 KiB
TypeScript
import { createOpaqueId } from "../core/ids";
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import {
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cloneProjectSequenceLibrary,
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type ProjectSequenceLibrary
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} from "../sequencer/project-sequences";
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import type { EditorCommand } from "./command";
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interface SetProjectSequencesCommandOptions {
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label: string;
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sequences: ProjectSequenceLibrary;
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}
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export function createSetProjectSequencesCommand(
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options: SetProjectSequencesCommandOptions
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): EditorCommand {
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const nextSequences = cloneProjectSequenceLibrary(options.sequences);
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let previousSequences: ProjectSequenceLibrary | null = null;
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return {
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id: createOpaqueId("command"),
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label: options.label,
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execute(context) {
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const currentProjectDocument = context.getProjectDocument();
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if (previousSequences === null) {
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previousSequences = cloneProjectSequenceLibrary(
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currentProjectDocument.sequences
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);
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}
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context.setProjectDocument({
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...currentProjectDocument,
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sequences: cloneProjectSequenceLibrary(nextSequences)
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});
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},
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undo(context) {
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if (previousSequences === null) {
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return;
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}
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const currentProjectDocument = context.getProjectDocument();
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context.setProjectDocument({
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...currentProjectDocument,
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sequences: cloneProjectSequenceLibrary(previousSequences)
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});
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}
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};
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}
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