121 lines
3.6 KiB
React
121 lines
3.6 KiB
React
// In-place text editor. Shows text with an icon which toggles it into an input field.
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import React from 'react';
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import ReactDOM from 'react-dom';
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import VisiblePassword from './visible-password.jsx';
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export default class InPlaceEdit extends React.Component {
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constructor(props) {
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super(props);
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this.state = {
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active: props.active,
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initialValue: props.value || '',
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value: props.value || ''
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};
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this.handeTextChange = this.handeTextChange.bind(this);
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this.handleKeyDown = this.handleKeyDown.bind(this);
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this.handleStartEditing = this.handleStartEditing.bind(this);
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this.handleEditingFinished = this.handleEditingFinished.bind(this);
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this.handlePasswordFinished = this.handlePasswordFinished.bind(this);
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}
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static getDerivedStateFromProps(nextProps, prevState) {
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// If text has changed while in read mode, update text and discard changes.
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// Ignore update if in edit mode.
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if (prevState.initialValue != nextProps.value && !prevState.active) {
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return {
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initialValue: nextProps.value || '',
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value: nextProps.value || ''
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};
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}
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return null;
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}
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handeTextChange(e) {
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this.setState({value: e.target.value});
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}
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handleKeyDown(e) {
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if (e.keyCode === 27) {
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// Escape pressed
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this.setState({value: this.props.value, active: false});
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} else if (e.keyCode === 13) {
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// Enter pressed
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this.handleEditingFinished(e);
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}
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}
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handleStartEditing() {
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if (!this.props.readOnly) {
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ReactDOM.findDOMNode(this).focus();
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this.setState({active: true});
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}
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}
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handleEditingFinished(event) {
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if (this.props.required && !event.target.checkValidity()) {
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// Empty input
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this.setState({value: this.props.value, active: false});
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return;
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}
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this.setState({active: false});
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let value = this.state.value.trim();
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if ((value || this.props.value) && (value !== this.props.value)) {
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this.props.onFinished(value);
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}
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}
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handlePasswordFinished(value) {
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this.setState({active: false});
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if (value && (value !== this.props.value)) {
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this.props.onFinished(value);
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}
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}
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render() {
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if (this.state.active) {
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var fieldType = this.props.type || 'text';
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} else {
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var spanText = this.props.type == 'password' ? '••••••••' : this.state.value;
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var spanClass = 'in-place-edit' +
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(this.props.readOnly ? ' disabled' : '');
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if (!spanText) {
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spanText = this.props.placeholder;
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spanClass += ' placeholder';
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}
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if (spanText.length > 20) {
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// FIXME: this is wrong for RTL languages.
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spanText = spanText.substring(0, 19) + '...';
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}
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}
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return (
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this.state.active ?
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(fieldType == 'password' ?
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<VisiblePassword
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value={this.state.value}
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placeholder={this.props.placeholder}
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required={this.props.required ? 'required' : ''}
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autoComplete={this.props.autoComplete}
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autoFocus={true}
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onFinished={this.handlePasswordFinished}/>
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:
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<input type={fieldType}
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value={this.state.value}
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placeholder={this.props.placeholder}
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required={this.props.required ? 'required' : ''}
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autoComplete={this.props.autoComplete}
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autoFocus
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onChange={this.handeTextChange}
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onKeyDown={this.handleKeyDown}
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onBlur={this.handleEditingFinished} />
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)
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:
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<span className={spanClass} onClick={this.handleStartEditing}>
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<span className="content">{spanText}</span>
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</span>
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);
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}
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};
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