PromucFlow_constructor/app/client/src/widgets/DropdownWidget.tsx
Nikhil Nandagopal 9d659ddff0 Feature/dropdown
2019-10-31 05:28:11 +00:00

94 lines
2.7 KiB
TypeScript

import React from "react";
import BaseWidget, { WidgetProps, WidgetState } from "./BaseWidget";
import { WidgetType } from "../constants/WidgetConstants";
import { ActionPayload } from "../constants/ActionConstants";
import DropDownComponent from "../components/blueprint/DropdownComponent";
import _ from "lodash";
class DropdownWidget extends BaseWidget<DropdownWidgetProps, WidgetState> {
constructor(props: DropdownWidgetProps) {
super(props);
}
getPageView() {
return (
<DropDownComponent
onOptionSelected={this.onOptionSelected}
onOptionRemoved={this.onOptionRemoved}
widgetId={this.props.widgetId}
style={this.getPositionStyle()}
placeholder={this.props.placeholderText}
options={this.props.options || []}
selectionType={this.props.selectionType}
selectedIndex={this.props.selectedIndex || 0}
selectedIndexArr={this.props.selectedIndexArr || []}
label={this.props.label}
/>
);
}
onOptionSelected = (selectedOption: DropdownOption) => {
const selectedIndex = _.findIndex(this.props.options, option => {
return option.value === selectedOption.value;
});
if (this.props.selectionType === "SINGLE_SELECT") {
this.context.updateWidgetProperty(
this.props.widgetId,
"selectedIndex",
selectedIndex,
);
} else if (this.props.selectionType === "MULTI_SELECT") {
const selectedIndexArr = this.props.selectedIndexArr || [];
const isAlreadySelected =
_.find(selectedIndexArr, index => {
return index === selectedIndex;
}) !== undefined;
if (isAlreadySelected) {
this.onOptionRemoved(selectedIndex);
} else {
selectedIndexArr.push(selectedIndex);
this.context.updateWidgetProperty(
this.props.widgetId,
"selectedIndexArr",
selectedIndexArr,
);
}
}
};
onOptionRemoved = (removedIndex: number) => {
const updateIndexArr = this.props.selectedIndexArr
? this.props.selectedIndexArr.filter(index => {
return removedIndex !== index;
})
: [];
this.context.updateWidgetProperty(
this.props.widgetId,
"selectedIndexArr",
updateIndexArr,
);
};
getWidgetType(): WidgetType {
return "DROP_DOWN_WIDGET";
}
}
export type SelectionType = "SINGLE_SELECT" | "MULTI_SELECT";
export interface DropdownOption {
label: string;
value: string;
}
export interface DropdownWidgetProps extends WidgetProps {
placeholderText?: string;
label?: string;
selectedIndex?: number;
selectedIndexArr?: number[];
selectionType: SelectionType;
options?: DropdownOption[];
onOptionSelected?: ActionPayload[];
}
export default DropdownWidget;