antd-mobile
Version:
基于 React 的移动设计规范实现
266 lines (232 loc) • 10.7 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: true
});
var _extends2 = require('babel-runtime/helpers/extends');
var _extends3 = _interopRequireDefault(_extends2);
var _defineProperty2 = require('babel-runtime/helpers/defineProperty');
var _defineProperty3 = _interopRequireDefault(_defineProperty2);
var _classCallCheck2 = require('babel-runtime/helpers/classCallCheck');
var _classCallCheck3 = _interopRequireDefault(_classCallCheck2);
var _createClass2 = require('babel-runtime/helpers/createClass');
var _createClass3 = _interopRequireDefault(_createClass2);
var _possibleConstructorReturn2 = require('babel-runtime/helpers/possibleConstructorReturn');
var _possibleConstructorReturn3 = _interopRequireDefault(_possibleConstructorReturn2);
var _inherits2 = require('babel-runtime/helpers/inherits');
var _inherits3 = _interopRequireDefault(_inherits2);
var _react = require('react');
var _react2 = _interopRequireDefault(_react);
var _classnames = require('classnames');
var _classnames2 = _interopRequireDefault(_classnames);
var _omit = require('omit.js');
var _omit2 = _interopRequireDefault(_omit);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; }
function noop() {} /* tslint:disable:jsx-no-multiline-js */
function fixControlledValue(value) {
if (typeof value === 'undefined' || value === null) {
return '';
}
return value;
}
var regexAstralSymbols = /[\uD800-\uDBFF][\uDC00-\uDFFF]/g;
function countSymbols() {
var text = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : '';
return text.replace(regexAstralSymbols, '_').length;
}
var TextareaItem = function (_React$Component) {
(0, _inherits3['default'])(TextareaItem, _React$Component);
function TextareaItem(props) {
(0, _classCallCheck3['default'])(this, TextareaItem);
var _this = (0, _possibleConstructorReturn3['default'])(this, (TextareaItem.__proto__ || Object.getPrototypeOf(TextareaItem)).call(this, props));
_this.onChange = function (e) {
var value = e.target.value;
var onChange = _this.props.onChange;
if (onChange) {
onChange(value);
}
// 设置 defaultValue 时，用户输入不会触发 componentDidUpdate ，此处手工调用
_this.componentDidUpdate();
};
_this.onBlur = function (e) {
_this.debounceTimeout = setTimeout(function () {
_this.setState({
focus: false
});
}, 100);
if (!('focused' in _this.props)) {
_this.setState({
focused: false
});
}
var value = e.target.value;
if (_this.props.onBlur) {
_this.props.onBlur(value);
}
};
_this.onFocus = function (e) {
if (_this.debounceTimeout) {
clearTimeout(_this.debounceTimeout);
_this.debounceTimeout = null;
}
if (!('focused' in _this.props)) {
_this.setState({
focused: true
});
}
_this.setState({
focus: true
});
var value = e.target.value;
if (_this.props.onFocus) {
_this.props.onFocus(value);
}
if (document.activeElement.tagName.toLowerCase() === 'textarea') {
_this.scrollIntoViewTimeout = setTimeout(function () {
try {
document.activeElement.scrollIntoViewIfNeeded();
} catch (e) {}
}, 100);
}
};
_this.onErrorClick = function () {
if (_this.props.onErrorClick) {
_this.props.onErrorClick();
}
};
_this.clearInput = function () {
if (_this.props.onChange) {
_this.props.onChange('');
}
};
_this.state = {
focus: false,
focused: props.focused || false
};
return _this;
}
(0, _createClass3['default'])(TextareaItem, [{
key: 'componentDidMount',
value: function componentDidMount() {
this.componentDidUpdate();
if ((this.props.autoFocus || this.state.focused) && navigator.userAgent.indexOf('AlipayClient') > 0) {
this.refs.textarea.focus();
}
}
}, {
key: 'componentDidUpdate',
value: function componentDidUpdate() {
if (this.props.autoHeight) {
var textareaDom = this.refs.textarea;
textareaDom.style.height = ''; // 字数减少时能自动减小高度
textareaDom.style.height = textareaDom.scrollHeight + 'px';
}
if (this.state.focused) {
this.refs.textarea.focus();
}
}
}, {
key: 'componentWillReceiveProps',
value: function componentWillReceiveProps(nextProps) {
if ('focused' in nextProps) {
this.setState({
focused: nextProps.focused
});
}
}
}, {
key: 'componentWillUnmount',
value: function componentWillUnmount() {
if (this.debounceTimeout) {
clearTimeout(this.debounceTimeout);
this.debounceTimeout = null;
}
if (this.scrollIntoViewTimeout) {
clearTimeout(this.scrollIntoViewTimeout);
this.scrollIntoViewTimeout = null;
}
}
}, {
key: 'render',
value: function render() {
var _classNames, _classNames2;
var _props = this.props,
prefixCls = _props.prefixCls,
prefixListCls = _props.prefixListCls,
style = _props.style,
title = _props.title,
value = _props.value,
defaultValue = _props.defaultValue,
clear = _props.clear,
editable = _props.editable,
disabled = _props.disabled,
error = _props.error,
className = _props.className,
labelNumber = _props.labelNumber,
autoHeight = _props.autoHeight;
var count = this.props.count;
var rows = this.props.rows;
// note: remove `placeholderTextColor` prop for rn TextInput supports placeholderTextColor
var otherProps = (0, _omit2['default'])(this.props, ['prefixCls', 'prefixListCls', 'editable', 'style', 'clear', 'children', 'error', 'className', 'count', 'labelNumber', 'title', 'onErrorClick', 'autoHeight', 'autoFocus', 'focused', 'placeholderTextColor']);
var valueProps = void 0;
if ('value' in this.props) {
valueProps = {
value: fixControlledValue(value)
};
} else {
valueProps = {
defaultValue: defaultValue
};
}
var focus = this.state.focus;
var wrapCls = (0, _classnames2['default'])((_classNames = {}, (0, _defineProperty3['default'])(_classNames, prefixListCls + '-item', true), (0, _defineProperty3['default'])(_classNames, prefixCls + '-item', true), (0, _defineProperty3['default'])(_classNames, prefixCls + '-disabled', disabled), (0, _defineProperty3['default'])(_classNames, prefixCls + '-item-single-line', rows === 1 && !autoHeight), (0, _defineProperty3['default'])(_classNames, prefixCls + '-error', error), (0, _defineProperty3['default'])(_classNames, prefixCls + '-focus', focus), (0, _defineProperty3['default'])(_classNames, className, className), _classNames));
var labelCls = (0, _classnames2['default'])((_classNames2 = {}, (0, _defineProperty3['default'])(_classNames2, prefixCls + '-label', true), (0, _defineProperty3['default'])(_classNames2, prefixCls + '-label-2', labelNumber === 2), (0, _defineProperty3['default'])(_classNames2, prefixCls + '-label-3', labelNumber === 3), (0, _defineProperty3['default'])(_classNames2, prefixCls + '-label-4', labelNumber === 4), (0, _defineProperty3['default'])(_classNames2, prefixCls + '-label-5', labelNumber === 5), (0, _defineProperty3['default'])(_classNames2, prefixCls + '-label-6', labelNumber === 6), (0, _defineProperty3['default'])(_classNames2, prefixCls + '-label-7', labelNumber === 7), _classNames2));
var characterLength = countSymbols(value);
return _react2['default'].createElement(
'div',
{ className: wrapCls, style: style },
title && _react2['default'].createElement(
'div',
{ className: labelCls },
title
),
_react2['default'].createElement(
'div',
{ className: prefixCls + '-control' },
_react2['default'].createElement('textarea', (0, _extends3['default'])({ ref: 'textarea', maxLength: count }, otherProps, valueProps, { onChange: this.onChange, onBlur: this.onBlur, onFocus: this.onFocus, readOnly: !editable }))
),
clear && editable && value && characterLength > 0 && _react2['default'].createElement('div', { className: prefixCls + '-clear', onClick: this.clearInput, onTouchStart: this.clearInput }),
error && _react2['default'].createElement('div', { className: prefixCls + '-error-extra', onClick: this.onErrorClick }),
count > 0 && rows > 1 && _react2['default'].createElement(
'span',
{ className: prefixCls + '-count' },
_react2['default'].createElement(
'span',
null,
value ? characterLength : 0
),
'/',
count
)
);
}
}]);
return TextareaItem;
}(_react2['default'].Component);
exports['default'] = TextareaItem;
TextareaItem.defaultProps = {
prefixCls: 'am-textarea',
prefixListCls: 'am-list',
autoHeight: false,
editable: true,
disabled: false,
placeholder: '',
clear: false,
rows: 1,
onChange: noop,
onBlur: noop,
onFocus: noop,
onErrorClick: noop,
error: false,
labelNumber: 5
};
module.exports = exports['default'];