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import React from 'react';
import RcMention, { Nav, toString, toEditorState, getMentions } from 'rc-editor-mention';
import classNames from 'classnames';
import shallowequal from 'shallowequal';
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import Icon from '../icon';
export interface MentionProps {
prefixCls?: string;
suggestionStyle?: React.CSSProperties;
suggestions?: Array<any>;
onSearchChange?: Function;
onChange?: Function;
notFoundContent?: any;
loading?: Boolean;
style?: React.CSSProperties;
defaultValue?: any;
value?: any;
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className?: string;
multiLines?: Boolean;
prefix?: string;
placeholder?: string;
getSuggestionContainer?: (triggerNode: Element) => HTMLElement;
onFocus?: Function;
onBlur?: Function;
readOnly?: boolean;
disabled?: boolean;
}
export interface MentionState {
suggestions?: Array<any>;
focus?: Boolean;
}
export default class Mention extends React.Component<MentionProps, MentionState> {
static getMentions = getMentions;
static defaultProps = {
prefixCls: 'ant-mention',
notFoundContent: '无匹配结果,轻敲空格完成输入',
loading: false,
multiLines: false,
};
static Nav = Nav;
static toString = toString;
static toContentState = toEditorState;
static toEditorState = text => {
console.warn('Mention.toEditorState is deprecated. Use toContentState instead.');
return toEditorState(text);
}
constructor(props) {
super(props);
this.state = {
suggestions: props.suggestions,
focus: false,
};
}
componentWillReceiveProps(nextProps: MentionProps) {
const { suggestions } = nextProps;
if (!shallowequal(suggestions, this.props.suggestions)) {
this.setState({
suggestions,
});
}
}
onSearchChange = (value, prefix) => {
if (this.props.onSearchChange) {
return this.props.onSearchChange(value, prefix);
}
return this.defaultSearchChange(value);
}
onChange = (editorState) => {
if (this.props.onChange) {
this.props.onChange(editorState);
}
}
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defaultSearchChange(value: String): void {
const searchValue = value.toLowerCase();
const filteredSuggestions = (this.props.suggestions || []).filter(
suggestion => suggestion.toLowerCase().indexOf(searchValue) !== -1,
);
this.setState({
suggestions: filteredSuggestions,
});
}
onFocus = (ev) => {
this.setState({
focus: true,
});
if (this.props.onFocus) {
this.props.onFocus(ev);
}
}
onBlur = (ev) => {
this.setState({
focus: false,
});
if (this.props.onBlur) {
this.props.onBlur(ev);
}
}
render() {
const { className = '', prefixCls, loading } = this.props;
const { suggestions, focus } = this.state;
const cls = classNames(className, {
[`${prefixCls}-active`]: focus,
});
const notFoundContent = loading
? <Icon type="loading" />
: this.props.notFoundContent;
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return (
<RcMention
{...this.props}
className={cls}
onSearchChange={this.onSearchChange}
onChange={this.onChange}
onFocus={this.onFocus}
onBlur={this.onBlur}
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suggestions={suggestions}
notFoundContent={notFoundContent}
/>
);
}
}