80 lines
2.3 KiB
TypeScript
80 lines
2.3 KiB
TypeScript
import { createOpaqueId } from "../core/ids";
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import type { EditorSelection } from "../core/selection";
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import type { ToolMode } from "../core/tool-mode";
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import { cloneBoxBrush, type BoxBrush } from "../document/brushes";
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import { cloneSelectionForCommand, removeBrush } from "./brush-command-helpers";
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import type { EditorCommand } from "./command";
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function selectionIncludesBrush(selection: EditorSelection, brushId: string): boolean {
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return (
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(selection.kind === "brushes" && selection.ids.includes(brushId)) ||
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((selection.kind === "brushFace" || selection.kind === "brushEdge" || selection.kind === "brushVertex") &&
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selection.brushId === brushId)
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);
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}
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export function createDeleteBoxBrushCommand(brushId: string): EditorCommand {
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let previousBrush: BoxBrush | 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: "Delete box brush",
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execute(context) {
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const currentDocument = context.getDocument();
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const currentBrush = currentDocument.brushes[brushId];
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if (currentBrush === undefined) {
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throw new Error(`Box brush ${brushId} does not exist.`);
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}
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if (previousBrush === null) {
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previousBrush = cloneBoxBrush(currentBrush);
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}
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if (previousSelection === null) {
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previousSelection = cloneSelectionForCommand(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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context.setDocument(removeBrush(currentDocument, brushId));
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if (selectionIncludesBrush(context.getSelection(), brushId)) {
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context.setSelection({
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kind: "none"
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});
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}
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context.setToolMode("select");
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},
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undo(context) {
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if (previousBrush === null) {
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return;
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}
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const currentDocument = context.getDocument();
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context.setDocument({
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...currentDocument,
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brushes: {
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...currentDocument.brushes,
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[previousBrush.id]: cloneBoxBrush(previousBrush)
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}
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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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