@salesforce/design-system-react
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Salesforce Lightning Design System for React
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JavaScript
function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
function _toConsumableArray(arr) { return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _nonIterableSpread(); }
function _nonIterableSpread() { throw new TypeError("Invalid attempt to spread non-iterable instance"); }
function _iterableToArray(iter) { if (Symbol.iterator in Object(iter) || Object.prototype.toString.call(iter) === "[object Arguments]") return Array.from(iter); }
function _arrayWithoutHoles(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = new Array(arr.length); i < arr.length; i++) { arr2[i] = arr[i]; } return arr2; } }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a 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); } }
function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }
function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }
function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
/* Copyright (c) 2015-present, salesforce.com, inc. All rights reserved */
/* Licensed under BSD 3-Clause - see LICENSE.txt or git.io/sfdc-license */
// ### React
import React from 'react';
import PropTypes from 'prop-types'; // ### classNames
// [github.com/JedWatson/classnames](https://github.com/JedWatson/classnames)
// This project uses `classnames`, "a simple javascript utility for conditionally
// joining classNames together."
import classnames from 'classnames';
import { CAROUSEL_INDICATORS } from '../../../utilities/constants';
/**
* CarouselIndicators is used to display the list of indicators associated to the number of panels
* a carousel has
*/
var CarouselIndicators =
/*#__PURE__*/
function (_React$Component) {
_inherits(CarouselIndicators, _React$Component);
function CarouselIndicators() {
var _getPrototypeOf2;
var _this;
_classCallCheck(this, CarouselIndicators);
for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
args[_key] = arguments[_key];
}
_this = _possibleConstructorReturn(this, (_getPrototypeOf2 = _getPrototypeOf(CarouselIndicators)).call.apply(_getPrototypeOf2, [this].concat(args)));
_defineProperty(_assertThisInitialized(_this), "onFocus", function (event) {
_this["indicator".concat(_this.props.currentIndex)].focus();
if (_this.props.onFocus) {
_this.props.onFocus(event);
}
});
return _this;
}
_createClass(CarouselIndicators, [{
key: "componentDidUpdate",
value: function componentDidUpdate() {
if (this.props.hasFocus && this["indicator".concat(this.props.currentIndex)]) {
this["indicator".concat(this.props.currentIndex)].focus();
}
}
}, {
key: "render",
value: function render() {
var _this2 = this;
var props = this.props;
return React.createElement("ul", {
className: "slds-carousel__indicators slds-col slds-text-align_center",
role: "tablist"
}, _toConsumableArray(Array(props.noOfIndicators).keys()).map(function (index) {
var isSelectedPanel = index === props.currentIndex;
var indicatorActionClassName = classnames('slds-carousel__indicator-action', props.className, {
'slds-is-active': isSelectedPanel
});
var assistiveText = "".concat(index);
var title = "".concat(index);
if (props.items && props.items.length > 0) {
var startItemIndex = index * props.itemsPerPanel;
var autoIndicatorText = '';
for (var i = startItemIndex; i < startItemIndex + props.itemsPerPanel; i += 1) {
if (props.items[i] && props.items[i].heading) {
autoIndicatorText = !autoIndicatorText ? '' : "".concat(autoIndicatorText, ", ");
autoIndicatorText += props.items[i].heading;
}
}
if (autoIndicatorText) {
assistiveText = autoIndicatorText;
title = autoIndicatorText;
}
}
return React.createElement("li", {
className: "slds-carousel__indicator slds-m-horizontal_xx-small",
key: index,
role: "presentation",
style: {
margin: 0,
padding: '0 8px'
}
}, React.createElement("a", {
ref: function ref(component) {
_this2["indicator".concat(index)] = component;
},
id: "indicator-id-".concat(props.carouselId, "-").concat(index),
className: indicatorActionClassName,
role: "tab",
tabIndex: isSelectedPanel ? '0' : '-1',
"aria-selected": isSelectedPanel,
"aria-controls": "panel-".concat(index),
title: title,
onBlur: props.onBlur,
onClick: function onClick(event) {
return props.onClick(event, index);
},
onFocus: _this2.onFocus
}, React.createElement("span", {
className: "slds-assistive-text"
}, assistiveText)));
}));
}
}]);
return CarouselIndicators;
}(React.Component);
CarouselIndicators.displayName = CAROUSEL_INDICATORS;
CarouselIndicators.defaultProps = {
currentIndex: 0
}; // ### Prop Types
CarouselIndicators.propTypes = {
/**
* Carousel HTML ID
*/
carouselId: PropTypes.string,
/**
* CSS classes that are applied to the component
*/
className: PropTypes.oneOfType([PropTypes.array, PropTypes.object, PropTypes.string]),
/**
* Selected indicator
*/
currentIndex: PropTypes.number,
/**
* Passed from carousel parent state, dictates if indicator currently has focus
*/
hasFocus: PropTypes.bool,
/**
* Array of objects with shape, needed for building a carousel items
*/
items: PropTypes.array,
/**
* Number of items to be displayed at a time in the carousel
*/
itemsPerPanel: PropTypes.number,
/**
* Number of indicators to be displayed (corresponds to the number of panels in the carousel)
*/
noOfIndicators: PropTypes.number.isRequired,
/**
* Fires on indicator blur, allows parent carousel to adjust indicatorsHaveFocus state accordingly
*/
onBlur: PropTypes.func,
/**
* Triggered when the indicator is clicked.
*/
onClick: PropTypes.func,
/**
* Fires on indicator focus, allows parent carousel to adjust indicatorsHaveFocus state accordingly
*/
onFocus: PropTypes.func
};
export default CarouselIndicators;
//# sourceMappingURL=carousel-indicators.js.map