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success/packages/excalidraw/actions/actionHistory.tsx

131 lines
3.6 KiB
TypeScript

import type { Action, ActionResult } from "./types";
import { UndoIcon, RedoIcon } from "../components/icons";
import { ToolButton } from "../components/ToolButton";
import { t } from "../i18n";
import type { History } from "../history";
import { HistoryChangedEvent } from "../history";
import type { AppState } from "../types";
import { KEYS } from "../keys";
import { arrayToMap } from "../utils";
import { isWindows } from "../constants";
import type { SceneElementsMap } from "../element/types";
import type { Store } from "../store";
import { StoreAction } from "../store";
import { useEmitter } from "../hooks/useEmitter";
const writeData = (
appState: Readonly<AppState>,
updater: () => [SceneElementsMap, AppState] | void,
): ActionResult => {
if (
!appState.multiElement &&
!appState.resizingElement &&
!appState.editingElement &&
!appState.draggingElement
) {
const result = updater();
if (!result) {
return { storeAction: StoreAction.NONE };
}
const [nextElementsMap, nextAppState] = result;
const nextElements = Array.from(nextElementsMap.values());
return {
appState: nextAppState,
elements: nextElements,
storeAction: StoreAction.UPDATE,
};
}
return { storeAction: StoreAction.NONE };
};
type ActionCreator = (history: History, store: Store) => Action;
export const createUndoAction: ActionCreator = (history, store) => ({
name: "undo",
label: "buttons.undo",
icon: UndoIcon,
trackEvent: { category: "history" },
viewMode: false,
perform: (elements, appState, value, app) =>
writeData(appState, () =>
history.undo(
arrayToMap(elements) as SceneElementsMap, // TODO: #7348 refactor action manager to already include `SceneElementsMap`
appState,
store.snapshot,
app.scene,
),
),
keyTest: (event) =>
event[KEYS.CTRL_OR_CMD] &&
event.key.toLowerCase() === KEYS.Z &&
!event.shiftKey,
PanelComponent: ({ updateData, data }) => {
const { isUndoStackEmpty } = useEmitter<HistoryChangedEvent>(
history.onHistoryChangedEmitter,
new HistoryChangedEvent(
history.isUndoStackEmpty,
history.isRedoStackEmpty,
),
);
return (
<ToolButton
type="button"
icon={UndoIcon}
aria-label={t("buttons.undo")}
onClick={updateData}
size={data?.size || "medium"}
disabled={isUndoStackEmpty}
data-testid="button-undo"
/>
);
},
});
export const createRedoAction: ActionCreator = (history, store) => ({
name: "redo",
label: "buttons.redo",
icon: RedoIcon,
trackEvent: { category: "history" },
viewMode: false,
perform: (elements, appState, _, app) =>
writeData(appState, () =>
history.redo(
arrayToMap(elements) as SceneElementsMap, // TODO: #7348 refactor action manager to already include `SceneElementsMap`
appState,
store.snapshot,
app.scene,
),
),
keyTest: (event) =>
(event[KEYS.CTRL_OR_CMD] &&
event.shiftKey &&
event.key.toLowerCase() === KEYS.Z) ||
(isWindows && event.ctrlKey && !event.shiftKey && event.key === KEYS.Y),
PanelComponent: ({ updateData, data }) => {
const { isRedoStackEmpty } = useEmitter(
history.onHistoryChangedEmitter,
new HistoryChangedEvent(
history.isUndoStackEmpty,
history.isRedoStackEmpty,
),
);
return (
<ToolButton
type="button"
icon={RedoIcon}
aria-label={t("buttons.redo")}
onClick={updateData}
size={data?.size || "medium"}
disabled={isRedoStackEmpty}
data-testid="button-redo"
/>
);
},
});