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Add emoji suggestions to CW and poll option fields (mastodon#10555)
* Refactor selectComposeSuggestion so that different paths can be updated * Add suggestions in CW field * Add emoji suggestion to poll options * Attempt to fix CSS * Hide suggestions by default They will be enabled if the input has focus
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app/javascript/mastodon/components/autosuggest_input.js
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,229 @@ | ||
| import React from 'react'; | ||
| import AutosuggestAccountContainer from '../features/compose/containers/autosuggest_account_container'; | ||
| import AutosuggestEmoji from './autosuggest_emoji'; | ||
| import ImmutablePropTypes from 'react-immutable-proptypes'; | ||
| import PropTypes from 'prop-types'; | ||
| import { isRtl } from '../rtl'; | ||
| import ImmutablePureComponent from 'react-immutable-pure-component'; | ||
| import classNames from 'classnames'; | ||
| import { List as ImmutableList } from 'immutable'; | ||
|
|
||
| const textAtCursorMatchesToken = (str, caretPosition, searchTokens) => { | ||
| let word; | ||
|
|
||
| let left = str.slice(0, caretPosition).search(/\S+$/); | ||
| let right = str.slice(caretPosition).search(/\s/); | ||
|
|
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| if (right < 0) { | ||
| word = str.slice(left); | ||
| } else { | ||
| word = str.slice(left, right + caretPosition); | ||
| } | ||
|
|
||
| if (!word || word.trim().length < 3 || searchTokens.indexOf(word[0]) === -1) { | ||
| return [null, null]; | ||
| } | ||
|
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| word = word.trim().toLowerCase(); | ||
|
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| if (word.length > 0) { | ||
| return [left + 1, word]; | ||
| } else { | ||
| return [null, null]; | ||
| } | ||
| }; | ||
|
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| export default class AutosuggestInput extends ImmutablePureComponent { | ||
|
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| static propTypes = { | ||
| value: PropTypes.string, | ||
| suggestions: ImmutablePropTypes.list, | ||
| disabled: PropTypes.bool, | ||
| placeholder: PropTypes.string, | ||
| onSuggestionSelected: PropTypes.func.isRequired, | ||
| onSuggestionsClearRequested: PropTypes.func.isRequired, | ||
| onSuggestionsFetchRequested: PropTypes.func.isRequired, | ||
| onChange: PropTypes.func.isRequired, | ||
| onKeyUp: PropTypes.func, | ||
| onKeyDown: PropTypes.func, | ||
| autoFocus: PropTypes.bool, | ||
| className: PropTypes.string, | ||
| id: PropTypes.string, | ||
| searchTokens: PropTypes.list, | ||
| maxLength: PropTypes.number, | ||
| }; | ||
|
|
||
| static defaultProps = { | ||
| autoFocus: true, | ||
| searchTokens: ImmutableList(['@', ':', '#']), | ||
| }; | ||
|
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| state = { | ||
| suggestionsHidden: true, | ||
| focused: false, | ||
| selectedSuggestion: 0, | ||
| lastToken: null, | ||
| tokenStart: 0, | ||
| }; | ||
|
|
||
| onChange = (e) => { | ||
| const [ tokenStart, token ] = textAtCursorMatchesToken(e.target.value, e.target.selectionStart, this.props.searchTokens); | ||
|
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| if (token !== null && this.state.lastToken !== token) { | ||
| this.setState({ lastToken: token, selectedSuggestion: 0, tokenStart }); | ||
| this.props.onSuggestionsFetchRequested(token); | ||
| } else if (token === null) { | ||
| this.setState({ lastToken: null }); | ||
| this.props.onSuggestionsClearRequested(); | ||
| } | ||
|
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| this.props.onChange(e); | ||
| } | ||
|
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| onKeyDown = (e) => { | ||
| const { suggestions, disabled } = this.props; | ||
| const { selectedSuggestion, suggestionsHidden } = this.state; | ||
|
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||
| if (disabled) { | ||
| e.preventDefault(); | ||
| return; | ||
| } | ||
|
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||
| if (e.which === 229 || e.isComposing) { | ||
| // Ignore key events during text composition | ||
| // e.key may be a name of the physical key even in this case (e.x. Safari / Chrome on Mac) | ||
| return; | ||
| } | ||
|
|
||
| switch(e.key) { | ||
| case 'Escape': | ||
| if (suggestions.size === 0 || suggestionsHidden) { | ||
| document.querySelector('.ui').parentElement.focus(); | ||
| } else { | ||
| e.preventDefault(); | ||
| this.setState({ suggestionsHidden: true }); | ||
| } | ||
|
|
||
| break; | ||
| case 'ArrowDown': | ||
| if (suggestions.size > 0 && !suggestionsHidden) { | ||
| e.preventDefault(); | ||
| this.setState({ selectedSuggestion: Math.min(selectedSuggestion + 1, suggestions.size - 1) }); | ||
| } | ||
|
|
||
| break; | ||
| case 'ArrowUp': | ||
| if (suggestions.size > 0 && !suggestionsHidden) { | ||
| e.preventDefault(); | ||
| this.setState({ selectedSuggestion: Math.max(selectedSuggestion - 1, 0) }); | ||
| } | ||
|
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||
| break; | ||
| case 'Enter': | ||
| case 'Tab': | ||
| // Select suggestion | ||
| if (this.state.lastToken !== null && suggestions.size > 0 && !suggestionsHidden) { | ||
| e.preventDefault(); | ||
| e.stopPropagation(); | ||
| this.props.onSuggestionSelected(this.state.tokenStart, this.state.lastToken, suggestions.get(selectedSuggestion)); | ||
| } | ||
|
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||
| break; | ||
| } | ||
|
|
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| if (e.defaultPrevented || !this.props.onKeyDown) { | ||
| return; | ||
| } | ||
|
|
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| this.props.onKeyDown(e); | ||
| } | ||
|
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| onBlur = () => { | ||
| this.setState({ suggestionsHidden: true, focused: false }); | ||
| } | ||
|
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| onFocus = () => { | ||
| this.setState({ focused: true }); | ||
| } | ||
|
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||
| onSuggestionClick = (e) => { | ||
| const suggestion = this.props.suggestions.get(e.currentTarget.getAttribute('data-index')); | ||
| e.preventDefault(); | ||
| this.props.onSuggestionSelected(this.state.tokenStart, this.state.lastToken, suggestion); | ||
| this.input.focus(); | ||
| } | ||
|
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||
| componentWillReceiveProps (nextProps) { | ||
| if (nextProps.suggestions !== this.props.suggestions && nextProps.suggestions.size > 0 && this.state.suggestionsHidden && this.state.focused) { | ||
| this.setState({ suggestionsHidden: false }); | ||
| } | ||
| } | ||
|
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||
| setInput = (c) => { | ||
| this.input = c; | ||
| } | ||
|
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| renderSuggestion = (suggestion, i) => { | ||
| const { selectedSuggestion } = this.state; | ||
| let inner, key; | ||
|
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||
| if (typeof suggestion === 'object') { | ||
| inner = <AutosuggestEmoji emoji={suggestion} />; | ||
| key = suggestion.id; | ||
| } else if (suggestion[0] === '#') { | ||
| inner = suggestion; | ||
| key = suggestion; | ||
| } else { | ||
| inner = <AutosuggestAccountContainer id={suggestion} />; | ||
| key = suggestion; | ||
| } | ||
|
|
||
| return ( | ||
| <div role='button' tabIndex='0' key={key} data-index={i} className={classNames('autosuggest-textarea__suggestions__item', { selected: i === selectedSuggestion })} onMouseDown={this.onSuggestionClick}> | ||
| {inner} | ||
| </div> | ||
| ); | ||
| } | ||
|
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||
| render () { | ||
| const { value, suggestions, disabled, placeholder, onKeyUp, autoFocus, className, id, maxLength } = this.props; | ||
| const { suggestionsHidden } = this.state; | ||
| const style = { direction: 'ltr' }; | ||
|
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| if (isRtl(value)) { | ||
| style.direction = 'rtl'; | ||
| } | ||
|
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| return ( | ||
| <div className='autosuggest-input'> | ||
| <label> | ||
| <span style={{ display: 'none' }}>{placeholder}</span> | ||
|
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||
| <input | ||
| type='text' | ||
| ref={this.setInput} | ||
| disabled={disabled} | ||
| placeholder={placeholder} | ||
| autoFocus={autoFocus} | ||
| value={value} | ||
| onChange={this.onChange} | ||
| onKeyDown={this.onKeyDown} | ||
| onKeyUp={onKeyUp} | ||
| onFocus={this.onFocus} | ||
| onBlur={this.onBlur} | ||
| style={style} | ||
| aria-autocomplete='list' | ||
| id={id} | ||
| className={className} | ||
| maxLength={maxLength} | ||
| /> | ||
| </label> | ||
|
|
||
| <div className={`autosuggest-textarea__suggestions ${suggestionsHidden || suggestions.isEmpty() ? '' : 'autosuggest-textarea__suggestions--visible'}`}> | ||
| {suggestions.map(this.renderSuggestion)} | ||
| </div> | ||
| </div> | ||
| ); | ||
| } | ||
|
|
||
| } |
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