PromucFlow_constructor/app/client/src/utils/WidgetFactory.tsx
2019-10-03 21:54:29 +05:30

50 lines
1.2 KiB
TypeScript

import { WidgetType, RenderMode } from "../constants/WidgetConstants";
import {
WidgetBuilder,
WidgetProps,
WidgetDataProps,
} from "../widgets/BaseWidget";
class WidgetFactory {
static widgetMap: Map<WidgetType, WidgetBuilder<WidgetProps>> = new Map();
static registerWidgetBuilder(
widgetType: WidgetType,
widgetBuilder: WidgetBuilder<WidgetProps>,
) {
this.widgetMap.set(widgetType, widgetBuilder);
}
static createWidget(
widgetData: WidgetDataProps,
renderMode: RenderMode,
): JSX.Element {
const widgetProps: WidgetProps = {
key: widgetData.widgetId,
renderMode: renderMode,
...widgetData,
};
const widgetBuilder = this.widgetMap.get(widgetData.type);
if (widgetBuilder) {
const widget = widgetBuilder.buildWidget(widgetProps);
return widget;
} else {
const ex: WidgetCreationException = {
message:
"Widget Builder not registered for widget type" + widgetData.type,
};
throw ex;
}
}
static getWidgetTypes(): WidgetType[] {
return Array.from(this.widgetMap.keys());
}
}
export interface WidgetCreationException {
message: string;
}
export default WidgetFactory;