90 lines
3 KiB
TypeScript
90 lines
3 KiB
TypeScript
import * as React from 'react';
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import { connect } from 'react-redux';
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import { Dispatch } from 'redux';
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import { Button, MenuItem } from '@blueprintjs/core';
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import { IconNames } from '@blueprintjs/icons';
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import { IItemRendererProps, ItemPredicate, Select } from '@blueprintjs/select';
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import { selectAndLoadInstance } from '../redux/actions';
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import { IAppState, IInstance } from '../redux/types';
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interface IInstanceSearchProps {
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currentInstanceName: string | null;
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instances?: IInstance[];
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selectAndLoadInstance: (instanceName: string) => void;
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}
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const InstanceSelect = Select.ofType<IInstance>();
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class InstanceSearchImpl extends React.Component<IInstanceSearchProps> {
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public render() {
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return (
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<InstanceSelect
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items={this.props.instances || []}
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itemRenderer={this.itemRenderer}
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onItemSelect={this.onItemSelect}
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itemPredicate={this.itemPredicate}
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disabled={!this.props.instances}
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initialContent={this.renderInitialContent()}
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noResults={this.renderNoResults()}
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popoverProps={{popoverClassName: "fediverse-instance-search-popover"}}
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>
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<Button
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icon={IconNames.SELECTION}
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rightIcon={IconNames.CARET_DOWN}
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text={this.props.currentInstanceName || ("Select an instance")}
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disabled={!this.props.instances}
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/>
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</InstanceSelect>
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);
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}
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private renderInitialContent = () => {
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return (
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<MenuItem disabled={true} text={"Start typing"} />
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);
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}
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private renderNoResults = () => {
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return (
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<MenuItem disabled={true} text={"Keep typing"} />
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);
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}
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private itemRenderer = (item: IInstance, itemProps: IItemRendererProps) => {
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if (!itemProps.modifiers.matchesPredicate) {
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return null;
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}
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return (
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<MenuItem
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text={item.name}
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key={item.name}
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active={itemProps.modifiers.active}
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onClick={itemProps.handleClick}
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/>
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);
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}
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private itemPredicate: ItemPredicate<IInstance> = (query, item, index) => {
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if (!item.name || query.length < 4) {
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return false;
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}
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return item.name.toLowerCase().indexOf(query.toLowerCase()) >= 0;
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}
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private onItemSelect = (item: IInstance, event?: React.SyntheticEvent<HTMLElement>) => {
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this.props.selectAndLoadInstance(item.name);
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}
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}
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const mapStateToProps = (state: IAppState) => ({
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currentInstanceName: state.currentInstance.currentInstanceName,
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instances: state.data.instances,
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})
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const mapDispatchToProps = (dispatch: Dispatch) => ({
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selectAndLoadInstance: (instanceName: string) => dispatch(selectAndLoadInstance(instanceName) as any),
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})
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export const InstanceSearch = connect(mapStateToProps, mapDispatchToProps)(InstanceSearchImpl)
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