Files
webeditor3d/src/commands/upsert-path-command.ts

91 lines
2.3 KiB
TypeScript

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