143 lines
4.5 KiB
JavaScript
143 lines
4.5 KiB
JavaScript
|
/**
|
||
|
* Copyright (c) Nicolas Gallagher.
|
||
|
*
|
||
|
* This source code is licensed under the MIT license found in the
|
||
|
* LICENSE file in the root directory of this source tree.
|
||
|
*
|
||
|
*
|
||
|
*/
|
||
|
import I18nManager from '../I18nManager';
|
||
|
import multiplyStyleLengthValue from '../../modules/multiplyStyleLengthValue';
|
||
|
var emptyObject = {};
|
||
|
var borderTopLeftRadius = 'borderTopLeftRadius';
|
||
|
var borderTopRightRadius = 'borderTopRightRadius';
|
||
|
var borderBottomLeftRadius = 'borderBottomLeftRadius';
|
||
|
var borderBottomRightRadius = 'borderBottomRightRadius';
|
||
|
var borderLeftColor = 'borderLeftColor';
|
||
|
var borderLeftStyle = 'borderLeftStyle';
|
||
|
var borderLeftWidth = 'borderLeftWidth';
|
||
|
var borderRightColor = 'borderRightColor';
|
||
|
var borderRightStyle = 'borderRightStyle';
|
||
|
var borderRightWidth = 'borderRightWidth';
|
||
|
var right = 'right';
|
||
|
var marginLeft = 'marginLeft';
|
||
|
var marginRight = 'marginRight';
|
||
|
var paddingLeft = 'paddingLeft';
|
||
|
var paddingRight = 'paddingRight';
|
||
|
var left = 'left'; // Map of LTR property names to their BiDi equivalent.
|
||
|
|
||
|
var PROPERTIES_FLIP = {
|
||
|
borderTopLeftRadius: borderTopRightRadius,
|
||
|
borderTopRightRadius: borderTopLeftRadius,
|
||
|
borderBottomLeftRadius: borderBottomRightRadius,
|
||
|
borderBottomRightRadius: borderBottomLeftRadius,
|
||
|
borderLeftColor: borderRightColor,
|
||
|
borderLeftStyle: borderRightStyle,
|
||
|
borderLeftWidth: borderRightWidth,
|
||
|
borderRightColor: borderLeftColor,
|
||
|
borderRightStyle: borderLeftStyle,
|
||
|
borderRightWidth: borderLeftWidth,
|
||
|
left: right,
|
||
|
marginLeft: marginRight,
|
||
|
marginRight: marginLeft,
|
||
|
paddingLeft: paddingRight,
|
||
|
paddingRight: paddingLeft,
|
||
|
right: left
|
||
|
}; // Map of I18N property names to their LTR equivalent.
|
||
|
|
||
|
var PROPERTIES_I18N = {
|
||
|
borderTopStartRadius: borderTopLeftRadius,
|
||
|
borderTopEndRadius: borderTopRightRadius,
|
||
|
borderBottomStartRadius: borderBottomLeftRadius,
|
||
|
borderBottomEndRadius: borderBottomRightRadius,
|
||
|
borderStartColor: borderLeftColor,
|
||
|
borderStartStyle: borderLeftStyle,
|
||
|
borderStartWidth: borderLeftWidth,
|
||
|
borderEndColor: borderRightColor,
|
||
|
borderEndStyle: borderRightStyle,
|
||
|
borderEndWidth: borderRightWidth,
|
||
|
end: right,
|
||
|
marginStart: marginLeft,
|
||
|
marginEnd: marginRight,
|
||
|
paddingStart: paddingLeft,
|
||
|
paddingEnd: paddingRight,
|
||
|
start: left
|
||
|
};
|
||
|
var PROPERTIES_VALUE = {
|
||
|
clear: true,
|
||
|
float: true,
|
||
|
textAlign: true
|
||
|
}; // Invert the sign of a numeric-like value
|
||
|
|
||
|
var additiveInverse = function additiveInverse(value) {
|
||
|
return multiplyStyleLengthValue(value, -1);
|
||
|
};
|
||
|
|
||
|
var i18nStyle = function i18nStyle(originalStyle) {
|
||
|
var doLeftAndRightSwapInRTL = I18nManager.doLeftAndRightSwapInRTL,
|
||
|
isRTL = I18nManager.isRTL;
|
||
|
var style = originalStyle || emptyObject;
|
||
|
var frozenProps = {};
|
||
|
var nextStyle = {};
|
||
|
|
||
|
for (var originalProp in style) {
|
||
|
if (!Object.prototype.hasOwnProperty.call(style, originalProp)) {
|
||
|
continue;
|
||
|
}
|
||
|
|
||
|
var originalValue = style[originalProp];
|
||
|
var prop = originalProp;
|
||
|
var value = originalValue; // BiDi flip properties
|
||
|
|
||
|
if (PROPERTIES_I18N.hasOwnProperty(originalProp)) {
|
||
|
// convert start/end
|
||
|
var convertedProp = PROPERTIES_I18N[originalProp];
|
||
|
prop = isRTL ? PROPERTIES_FLIP[convertedProp] : convertedProp;
|
||
|
} else if (isRTL && doLeftAndRightSwapInRTL && PROPERTIES_FLIP[originalProp]) {
|
||
|
prop = PROPERTIES_FLIP[originalProp];
|
||
|
} // BiDi flip values
|
||
|
|
||
|
|
||
|
if (PROPERTIES_VALUE.hasOwnProperty(originalProp)) {
|
||
|
if (originalValue === 'start') {
|
||
|
value = isRTL ? 'right' : 'left';
|
||
|
} else if (originalValue === 'end') {
|
||
|
value = isRTL ? 'left' : 'right';
|
||
|
} else if (isRTL && doLeftAndRightSwapInRTL) {
|
||
|
if (originalValue === 'left') {
|
||
|
value = 'right';
|
||
|
} else if (originalValue === 'right') {
|
||
|
value = 'left';
|
||
|
}
|
||
|
}
|
||
|
} // BiDi flip transitionProperty value
|
||
|
|
||
|
|
||
|
if (prop === 'transitionProperty') {
|
||
|
// BiDi flip properties
|
||
|
if (PROPERTIES_I18N.hasOwnProperty(value)) {
|
||
|
// convert start/end
|
||
|
var convertedValue = PROPERTIES_I18N[originalValue];
|
||
|
value = isRTL ? PROPERTIES_FLIP[convertedValue] : convertedValue;
|
||
|
} else if (isRTL && doLeftAndRightSwapInRTL && PROPERTIES_FLIP[originalValue]) {
|
||
|
value = PROPERTIES_FLIP[originalValue];
|
||
|
}
|
||
|
} // Create finalized style
|
||
|
|
||
|
|
||
|
if (isRTL && prop === 'textShadowOffset') {
|
||
|
nextStyle[prop] = value;
|
||
|
nextStyle[prop].width = additiveInverse(value.width);
|
||
|
} else if (!frozenProps[prop]) {
|
||
|
nextStyle[prop] = value;
|
||
|
}
|
||
|
|
||
|
if (PROPERTIES_I18N[originalProp]) {
|
||
|
frozenProps[prop] = true;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
return nextStyle;
|
||
|
};
|
||
|
|
||
|
export default i18nStyle;
|