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75 lines
2.2 KiB
75 lines
2.2 KiB
import React from 'react';
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import PropTypes from 'prop-types';
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import ImmutablePropTypes from 'react-immutable-proptypes';
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import ImmutablePureComponent from 'react-immutable-pure-component';
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import ConversationContainer from '../containers/conversation_container';
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import ScrollableList from '../../../components/scrollable_list';
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import { debounce } from 'lodash';
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export default class ConversationsList extends ImmutablePureComponent {
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static propTypes = {
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conversations: ImmutablePropTypes.list.isRequired,
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scrollKey: PropTypes.string.isRequired,
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hasMore: PropTypes.bool,
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isLoading: PropTypes.bool,
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onLoadMore: PropTypes.func,
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};
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getCurrentIndex = id => this.props.conversations.findIndex(x => x.get('id') === id)
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handleMoveUp = id => {
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const elementIndex = this.getCurrentIndex(id) - 1;
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this._selectChild(elementIndex, true);
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}
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handleMoveDown = id => {
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const elementIndex = this.getCurrentIndex(id) + 1;
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this._selectChild(elementIndex, false);
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}
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_selectChild (index, align_top) {
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const container = this.node.node;
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const element = container.querySelector(`article:nth-of-type(${index + 1}) .focusable`);
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if (element) {
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if (align_top && container.scrollTop > element.offsetTop) {
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element.scrollIntoView(true);
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} else if (!align_top && container.scrollTop + container.clientHeight < element.offsetTop + element.offsetHeight) {
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element.scrollIntoView(false);
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}
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element.focus();
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}
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}
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setRef = c => {
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this.node = c;
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}
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handleLoadOlder = debounce(() => {
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const last = this.props.conversations.last();
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if (last && last.get('last_status')) {
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this.props.onLoadMore(last.get('last_status'));
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}
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}, 300, { leading: true })
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render () {
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const { conversations, onLoadMore, ...other } = this.props;
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return (
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<ScrollableList {...other} onLoadMore={onLoadMore && this.handleLoadOlder} ref={this.setRef}>
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{conversations.map(item => (
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<ConversationContainer
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key={item.get('id')}
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conversationId={item.get('id')}
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onMoveUp={this.handleMoveUp}
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onMoveDown={this.handleMoveDown}
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scrollKey={this.props.scrollKey}
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/>
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))}
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</ScrollableList>
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);
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}
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}
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