91 lines
2.3 KiB
TypeScript
91 lines
2.3 KiB
TypeScript
import { createOpaqueId } from "../core/ids";
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import { cloneEditorSelection, type EditorSelection } from "../core/selection";
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import type { ToolMode } from "../core/tool-mode";
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import {
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cloneScenePath,
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type ScenePath
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} from "../document/paths";
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import type { EditorCommand } from "./command";
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interface UpsertPathCommandOptions {
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path: ScenePath;
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label?: string;
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}
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function setSinglePathSelection(pathId: string): EditorSelection {
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return {
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kind: "paths",
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ids: [pathId]
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};
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}
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function createDefaultPathCommandLabel(isNewPath: boolean): string {
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return isNewPath ? "Create path" : "Update path";
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}
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export function createUpsertPathCommand(
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options: UpsertPathCommandOptions
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): EditorCommand {
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const nextPath = cloneScenePath(options.path);
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let previousPath: ScenePath | null = null;
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let previousSelection: EditorSelection | null = null;
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let previousToolMode: ToolMode | null = null;
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return {
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id: createOpaqueId("command"),
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label: options.label ?? createDefaultPathCommandLabel(true),
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execute(context) {
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const currentDocument = context.getDocument();
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const currentPath = currentDocument.paths[nextPath.id];
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if (previousSelection === null) {
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previousSelection = cloneEditorSelection(context.getSelection());
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}
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if (previousToolMode === null) {
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previousToolMode = context.getToolMode();
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}
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if (previousPath === null && currentPath !== undefined) {
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previousPath = cloneScenePath(currentPath);
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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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[nextPath.id]: cloneScenePath(nextPath)
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}
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});
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context.setSelection(setSinglePathSelection(nextPath.id));
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context.setToolMode("select");
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},
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undo(context) {
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const currentDocument = context.getDocument();
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const nextPaths = {
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...currentDocument.paths
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};
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if (previousPath === null) {
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delete nextPaths[nextPath.id];
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} else {
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nextPaths[nextPath.id] = cloneScenePath(previousPath);
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}
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context.setDocument({
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...currentDocument,
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paths: nextPaths
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});
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if (previousSelection !== null) {
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context.setSelection(previousSelection);
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}
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if (previousToolMode !== null) {
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context.setToolMode(previousToolMode);
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}
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}
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};
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}
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