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import React from "react";
import type {
Action,
UpdaterFn,
ActionName,
ActionResult,
PanelComponentProps,
ActionSource,
} from "./types";
import type {
ExcalidrawElement,
OrderedExcalidrawElement,
} from "../element/types";
import type { AppClassProperties, AppState } from "../types";
import { trackEvent } from "../analytics";
import { isPromiseLike } from "../utils";
const trackAction = (
action: Action,
source: ActionSource,
appState: Readonly<AppState>,
elements: readonly ExcalidrawElement[],
app: AppClassProperties,
value: any,
) => {
if (action.trackEvent) {
try {
if (typeof action.trackEvent === "object") {
const shouldTrack = action.trackEvent.predicate
? action.trackEvent.predicate(appState, elements, value)
: true;
if (shouldTrack) {
trackEvent(
action.trackEvent.category,
action.trackEvent.action || action.name,
`${source} (${app.device.editor.isMobile ? "mobile" : "desktop"})`,
);
}
}
} catch (error) {
console.error("error while logging action:", error);
}
}
};
export class ActionManager {
actions = {} as Record<ActionName, Action>;
updater: (actionResult: ActionResult | Promise<ActionResult>) => void;
getAppState: () => Readonly<AppState>;
getElementsIncludingDeleted: () => readonly OrderedExcalidrawElement[];
app: AppClassProperties;
constructor(
updater: UpdaterFn,
getAppState: () => AppState,
getElementsIncludingDeleted: () => readonly OrderedExcalidrawElement[],
app: AppClassProperties,
) {
this.updater = (actionResult) => {
if (isPromiseLike(actionResult)) {
actionResult.then((actionResult) => {
return updater(actionResult);
});
} else {
return updater(actionResult);
}
};
this.getAppState = getAppState;
this.getElementsIncludingDeleted = getElementsIncludingDeleted;
this.app = app;
}
registerAction(action: Action) {
this.actions[action.name] = action;
}
registerAll(actions: readonly Action[]) {
actions.forEach((action) => this.registerAction(action));
}
handleKeyDown(event: React.KeyboardEvent | KeyboardEvent) {
const canvasActions = this.app.props.UIOptions.canvasActions;
const data = Object.values(this.actions)
.sort((a, b) => (b.keyPriority || 0) - (a.keyPriority || 0))
.filter(
(action) =>
(action.name in canvasActions
? canvasActions[action.name as keyof typeof canvasActions]
: true) &&
action.keyTest &&
action.keyTest(
event,
this.getAppState(),
this.getElementsIncludingDeleted(),
this.app,
),
);
if (data.length !== 1) {
if (data.length > 1) {
console.warn("Canceling as multiple actions match this shortcut", data);
}
return false;
}
const action = data[0];
if (this.getAppState().viewModeEnabled && action.viewMode !== true) {
return false;
}
const elements = this.getElementsIncludingDeleted();
const appState = this.getAppState();
const value = null;
trackAction(action, "keyboard", appState, elements, this.app, null);
event.preventDefault();
event.stopPropagation();
this.updater(data[0].perform(elements, appState, value, this.app));
return true;
}
executeAction<T extends Action>(
action: T,
source: ActionSource = "api",
value: Parameters<T["perform"]>[2] = null,
) {
const elements = this.getElementsIncludingDeleted();
const appState = this.getAppState();
trackAction(action, source, appState, elements, this.app, value);
this.updater(action.perform(elements, appState, value, this.app));
}
/**
* @param data additional data sent to the PanelComponent
*/
renderAction = (name: ActionName, data?: PanelComponentProps["data"]) => {
const canvasActions = this.app.props.UIOptions.canvasActions;
if (
this.actions[name] &&
"PanelComponent" in this.actions[name] &&
(name in canvasActions
? canvasActions[name as keyof typeof canvasActions]
: true)
) {
const action = this.actions[name];
const PanelComponent = action.PanelComponent!;
PanelComponent.displayName = "PanelComponent";
const elements = this.getElementsIncludingDeleted();
const appState = this.getAppState();
const updateData = (formState?: any) => {
trackAction(action, "ui", appState, elements, this.app, formState);
this.updater(
action.perform(
this.getElementsIncludingDeleted(),
this.getAppState(),
formState,
this.app,
),
);
};
return (
<PanelComponent
elements={this.getElementsIncludingDeleted()}
appState={this.getAppState()}
updateData={updateData}
appProps={this.app.props}
app={this.app}
data={data}
/>
);
}
return null;
};
isActionEnabled = (action: Action) => {
const elements = this.getElementsIncludingDeleted();
const appState = this.getAppState();
return (
!action.predicate ||
action.predicate(elements, appState, this.app.props, this.app)
);
};
}
|
