jiti-meet/react/features/display-name/components/DisplayName.web.js

240 lines
6.5 KiB
JavaScript

import React, { Component } from 'react';
import { connect } from 'react-redux';
import { translate } from '../../base/i18n';
import { participantDisplayNameChanged } from '../../base/participants';
/**
* React {@code Component} for displaying and editing a participant's name.
*
* @extends Component
*/
class DisplayName extends Component {
/**
* {@code DisplayName}'s property types.
*
* @static
*/
static propTypes = {
/**
* Whether or not the display name should be editable on click.
*/
allowEditing: React.PropTypes.bool,
/**
* Invoked to update the participant's display name.
*/
dispatch: React.PropTypes.func,
/**
* The participant's current display name.
*/
displayName: React.PropTypes.string,
/**
* A string to append to the displayName, if provided.
*/
displayNameSuffix: React.PropTypes.string,
/**
* The ID attribute to add to the component. Useful for global querying
* for the component by legacy components and torture tests.
*/
elementID: React.PropTypes.string,
/**
* The ID of the participant whose name is being displayed.
*/
participantID: React.PropTypes.string,
/**
* Invoked to obtain translated strings.
*/
t: React.PropTypes.func
};
/**
* Initializes a new {@code DisplayName} instance.
*
* @param {Object} props - The read-only properties with which the new
* instance is to be initialized.
*/
constructor(props) {
super(props);
this.state = {
/**
* The current value of the display name in the edit field.
*
* @type {string}
*/
editDisplayNameValue: '',
/**
* Whether or not the component should be displaying an editable
* input.
*
* @type {boolean}
*/
isEditing: false
};
/**
* The internal reference to the HTML element backing the React
* {@code Component} input with id {@code editDisplayName}. It is
* necessary for automatically selecting the display name input field
* when starting to edit the display name.
*
* @private
* @type {HTMLInputElement}
*/
this._nameInput = null;
// Bind event handlers so they are only bound once for every instance.
this._onChange = this._onChange.bind(this);
this._onKeyDown = this._onKeyDown.bind(this);
this._onStartEditing = this._onStartEditing.bind(this);
this._onSubmit = this._onSubmit.bind(this);
this._setNameInputRef = this._setNameInputRef.bind(this);
}
/**
* Automatically selects the input field's value after starting to edit the
* display name.
*
* @inheritdoc
* @returns {void}
*/
componentDidUpdate(previousProps, previousState) {
if (!previousState.isEditing && this.state.isEditing) {
this._nameInput.select();
}
}
/**
* Implements React's {@link Component#render()}.
*
* @inheritdoc
* @returns {ReactElement}
*/
render() {
const {
allowEditing,
displayName,
displayNameSuffix,
elementID,
t
} = this.props;
if (allowEditing && this.state.isEditing) {
return (
<input
autoFocus = { true }
className = 'editdisplayname'
id = 'editDisplayName'
onBlur = { this._onSubmit }
onChange = { this._onChange }
onKeyDown = { this._onKeyDown }
placeholder = { t('defaultNickname') }
ref = { this._setNameInputRef }
type = 'text'
value = { this.state.editDisplayNameValue } />
);
}
const suffix
= displayName && displayNameSuffix ? ` (${displayNameSuffix})` : '';
return (
<span
className = 'displayname'
id = { elementID }
onClick = { this._onStartEditing }>
{ `${displayName || displayNameSuffix || ''}${suffix}` }
</span>
);
}
/**
* Updates the internal state of the display name entered into the edit
* field.
*
* @param {Object} event - DOM Event for value change.
* @private
* @returns {void}
*/
_onChange(event) {
this.setState({
editDisplayNameValue: event.target.value
});
}
/**
* Submits the editted display name update if the enter key is pressed.
*
* @param {Event} event - Key down event object.
* @private
* @returns {void}
*/
_onKeyDown(event) {
if (event.key === 'Enter') {
this._onSubmit();
}
}
/**
* Updates the component to display an editable input field and sets the
* initial value to the current display name.
*
* @private
* @returns {void}
*/
_onStartEditing() {
if (this.props.allowEditing) {
this.setState({
isEditing: true,
editDisplayNameValue: this.props.displayName || ''
});
}
}
/**
* Dispatches an action to update the display name if any change has
* occurred after editing. Clears any temporary state used to keep track
* of pending display name changes and exits editing mode.
*
* @param {Event} event - Key down event object.
* @private
* @returns {void}
*/
_onSubmit() {
const { editDisplayNameValue } = this.state;
const { dispatch, participantID } = this.props;
dispatch(participantDisplayNameChanged(
participantID, editDisplayNameValue));
this.setState({
isEditing: false,
editDisplayNameValue: ''
});
this._nameInput = null;
}
/**
* Sets the internal reference to the HTML element backing the React
* {@code Component} input with id {@code editDisplayName}.
*
* @param {HTMLInputElement} element - The DOM/HTML element for this
* {@code Component}'s input.
* @private
* @returns {void}
*/
_setNameInputRef(element) {
this._nameInput = element;
}
}
export default translate(connect()(DisplayName));