HeaderBackButton.js
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'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
var _react = require('react');
var React = _interopRequireWildcard(_react);
var _reactNative = require('react-native');
var _TouchableItem = require('../TouchableItem');
var _TouchableItem2 = _interopRequireDefault(_TouchableItem);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
var HeaderBackButton = function (_React$PureComponent) {
_inherits(HeaderBackButton, _React$PureComponent);
function HeaderBackButton() {
var _ref;
var _temp, _this, _ret;
_classCallCheck(this, HeaderBackButton);
for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
args[_key] = arguments[_key];
}
return _ret = (_temp = (_this = _possibleConstructorReturn(this, (_ref = HeaderBackButton.__proto__ || Object.getPrototypeOf(HeaderBackButton)).call.apply(_ref, [this].concat(args))), _this), _this.state = {}, _this._onTextLayout = function (e) {
if (_this.state.initialTextWidth) {
return;
}
_this.setState({
initialTextWidth: e.nativeEvent.layout.x + e.nativeEvent.layout.width
});
}, _temp), _possibleConstructorReturn(_this, _ret);
}
_createClass(HeaderBackButton, [{
key: 'render',
value: function render() {
var _props = this.props,
onPress = _props.onPress,
pressColorAndroid = _props.pressColorAndroid,
width = _props.width,
title = _props.title,
titleStyle = _props.titleStyle,
tintColor = _props.tintColor,
truncatedTitle = _props.truncatedTitle;
var renderTruncated = this.state.initialTextWidth && width ? this.state.initialTextWidth > width : false;
var backButtonTitle = renderTruncated ? truncatedTitle : title;
// eslint-disable-next-line global-require
var asset = require('../assets/back-icon.png');
return React.createElement(
_TouchableItem2.default,
{
accessibilityComponentType: 'button',
accessibilityLabel: backButtonTitle,
accessibilityTraits: 'button',
testID: 'header-back',
delayPressIn: 0,
onPress: onPress,
pressColor: pressColorAndroid,
style: styles.container,
borderless: true
},
React.createElement(
_reactNative.View,
{ style: styles.container },
React.createElement(_reactNative.Image, {
style: [styles.icon, !!title && styles.iconWithTitle, !!tintColor && { tintColor: tintColor }],
source: asset
}),
_reactNative.Platform.OS === 'ios' && typeof backButtonTitle === 'string' && React.createElement(
_reactNative.Text,
{
onLayout: this._onTextLayout,
style: [styles.title, !!tintColor && { color: tintColor }, titleStyle],
numberOfLines: 1
},
backButtonTitle
)
)
);
}
}]);
return HeaderBackButton;
}(React.PureComponent);
HeaderBackButton.defaultProps = {
pressColorAndroid: 'rgba(0, 0, 0, .32)',
tintColor: _reactNative.Platform.select({
ios: '#037aff'
}),
truncatedTitle: 'Back'
};
var styles = _reactNative.StyleSheet.create({
container: {
alignItems: 'center',
flexDirection: 'row',
backgroundColor: 'transparent'
},
title: {
fontSize: 17,
paddingRight: 10
},
icon: _reactNative.Platform.OS === 'ios' ? {
height: 21,
width: 13,
marginLeft: 10,
marginRight: 22,
marginVertical: 12,
resizeMode: 'contain',
transform: [{ scaleX: _reactNative.I18nManager.isRTL ? -1 : 1 }]
} : {
height: 24,
width: 24,
margin: 16,
resizeMode: 'contain',
transform: [{ scaleX: _reactNative.I18nManager.isRTL ? -1 : 1 }]
},
iconWithTitle: _reactNative.Platform.OS === 'ios' ? {
marginRight: 5
} : {}
});
exports.default = HeaderBackButton;