203 lines
6.7 KiB
JavaScript
203 lines
6.7 KiB
JavaScript
import React from 'react';
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import classnames from 'classnames';
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import { themr } from 'react-css-themr';
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import { INPUT } from '../identifiers.js';
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import InjectedFontIcon from '../font_icon/FontIcon.js';
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const factory = (FontIcon) => {
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class Input extends React.Component {
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static propTypes = {
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children: React.PropTypes.any,
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className: React.PropTypes.string,
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disabled: React.PropTypes.bool,
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error: React.PropTypes.string,
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floating: React.PropTypes.bool,
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hint: React.PropTypes.string,
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icon: React.PropTypes.oneOfType([
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React.PropTypes.string,
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React.PropTypes.element
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]),
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label: React.PropTypes.string,
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maxLength: React.PropTypes.number,
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multiline: React.PropTypes.bool,
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name: React.PropTypes.string,
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onBlur: React.PropTypes.func,
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onChange: React.PropTypes.func,
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onFocus: React.PropTypes.func,
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onKeyPress: React.PropTypes.func,
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required: React.PropTypes.bool,
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theme: React.PropTypes.shape({
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bar: React.PropTypes.string,
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counter: React.PropTypes.string,
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disabled: React.PropTypes.string,
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error: React.PropTypes.string,
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errored: React.PropTypes.string,
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hidden: React.PropTypes.string,
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hint: React.PropTypes.string,
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icon: React.PropTypes.string,
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input: React.PropTypes.string,
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inputElement: React.PropTypes.string,
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required: React.PropTypes.string,
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withIcon: React.PropTypes.string
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}),
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type: React.PropTypes.string,
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value: React.PropTypes.any
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};
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static defaultProps = {
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className: '',
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hint: '',
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disabled: false,
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floating: true,
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multiline: false,
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required: false,
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type: 'text'
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};
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componentDidMount () {
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if (this.props.multiline) {
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window.addEventListener('resize', this.handleAutoresize);
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this.handleAutoresize();
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}
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}
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componentWillReceiveProps (nextProps) {
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if (!this.props.multiline && nextProps.multiline) {
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window.addEventListener('resize', this.handleAutoresize);
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} else if (this.props.multiline && !nextProps.multiline) {
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window.removeEventListener('resize', this.handleAutoresize);
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}
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}
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componentDidUpdate () {
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// resize the textarea, if nessesary
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if (this.props.multiline) this.handleAutoresize();
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}
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componentWillUnmount () {
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if (this.props.multiline) window.removeEventListener('resize', this.handleAutoresize);
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}
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handleChange = (event) => {
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const { onChange, multiline, maxLength } = this.props;
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const valueFromEvent = event.target.value;
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// Trim value to maxLength if that exists (only on multiline inputs).
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// Note that this is still required even tho we have the onKeyPress filter
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// because the user could paste smt in the textarea.
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const haveToTrim = (multiline && maxLength && event.target.value.length > maxLength);
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const value = haveToTrim ? valueFromEvent.substr(0, maxLength) : valueFromEvent;
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// propagate to to store and therefore to the input
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if (onChange) onChange(value, event);
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};
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handleAutoresize = () => {
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const element = this.refs.input;
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// compute the height difference between inner height and outer height
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const style = getComputedStyle(element, null);
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const heightOffset = style.boxSizing === 'content-box'
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? -(parseFloat(style.paddingTop) + parseFloat(style.paddingBottom))
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: parseFloat(style.borderTopWidth) + parseFloat(style.borderBottomWidth);
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// resize the input to its content size
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element.style.height = 'auto';
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element.style.height = `${element.scrollHeight + heightOffset}px`;
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}
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handleKeyPress = (event) => {
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// prevent insertion of more characters if we're a multiline input
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// and maxLength exists
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const { multiline, maxLength, onKeyPress } = this.props;
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if (multiline && maxLength) {
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// check if smt is selected, in which case the newly added charcter would
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// replace the selected characters, so the length of value doesn't actually
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// increase.
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const isReplacing = event.target.selectionEnd - event.target.selectionStart;
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const value = event.target.value;
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if (!isReplacing && value.length === maxLength) {
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event.preventDefault();
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event.stopPropagation();
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return;
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}
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}
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if (onKeyPress) onKeyPress(event);
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};
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blur () {
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this.refs.input.blur();
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}
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focus () {
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this.refs.input.focus();
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}
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render () {
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const { children, disabled, error, floating, hint, icon,
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name, label: labelText, maxLength, multiline, required,
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theme, type, value, onKeyPress, ...others} = this.props;
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const length = maxLength && value ? value.length : 0;
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const labelClassName = classnames(theme.label, {[theme.fixed]: !floating});
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const className = classnames(theme.input, {
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[theme.disabled]: disabled,
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[theme.errored]: error,
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[theme.hidden]: type === 'hidden',
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[theme.withIcon]: icon
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}, this.props.className);
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const valuePresent = value !== null
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&& value !== undefined
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&& value !== ''
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&& !(typeof value === Number && isNaN(value));
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const inputElementProps = {
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...others,
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className: classnames(theme.inputElement, {[theme.filled]: valuePresent}),
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onChange: this.handleChange,
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ref: 'input',
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role: 'input',
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name,
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disabled,
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required,
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type,
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value
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};
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if (!multiline) {
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inputElementProps.maxLength = maxLength;
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inputElementProps.onKeyPress = onKeyPress;
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} else {
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inputElementProps.rows = 1;
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inputElementProps.onKeyPress = this.handleKeyPress;
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}
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return (
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<div data-react-toolbox='input' className={className}>
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{React.createElement(multiline ? 'textarea' : 'input', inputElementProps)}
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{icon ? <FontIcon className={theme.icon} value={icon} /> : null}
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<span className={theme.bar} />
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{labelText
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? <label className={labelClassName}>
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{labelText}
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{required ? <span className={theme.required}> * </span> : null}
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</label>
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: null}
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{hint ? <span className={theme.hint}>{hint}</span> : null}
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{error ? <span className={theme.error}>{error}</span> : null}
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{maxLength ? <span className={theme.counter}>{length}/{maxLength}</span> : null}
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{children}
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</div>
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);
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}
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}
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return Input;
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};
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const Input = factory(InjectedFontIcon);
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export default themr(INPUT, null, { withRef: true })(Input);
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export { factory as inputFactory };
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export { Input };
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