1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 | 1× 1× 1× 1× 1× 1× 1× 1× 1× 1× 1× 1× 1× 1× 1× 1× 1× 1× 1× 1× 1× 1× 1× 1× 1× 1× 1× 1× 2× 1× 3× 3× 3× 3× 3× 1× 1× 1× 1× 1× 1× 1× 1× 1× 1× 1× 1× 1× 1× 1× 1× 1× 1× 1× 1× 1× 1× 1× 1× 1× 1× 1× 1× 1× 1× 1× 1× 1× 1× 1× 1× 1× 1× | "use strict"; var __extends = (this && this.__extends) || function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; function __() { this.constructor = d; } d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __()); }; var React = require('react'); var FocusZone_1 = require('../../FocusZone'); var ContextualMenu_1 = require('../../ContextualMenu'); var DirectionalHint_1 = require('../../common/DirectionalHint'); var EventGroup_1 = require('../../utilities/eventGroup/EventGroup'); var rtl_1 = require('../../utilities/rtl'); var css_1 = require('../../utilities/css'); require('./Breadcrumb.scss'); var OVERFLOW_KEY = 'overflow'; var OVERFLOW_WIDTH = 44; var _instance = 0; var Breadcrumb = (function (_super) { __extends(Breadcrumb, _super); function Breadcrumb(props) { _super.call(this, props); this._events = new EventGroup_1.EventGroup(this); this.state = this._getStateFromProps(props); } Breadcrumb.prototype.componentDidMount = function () { this._updateItemMeasurements(); this._updateRenderedItems(); this._events.on(window, 'resize', this._updateRenderedItems); }; Breadcrumb.prototype.componentWillUnmount = function () { this._events.dispose(); }; Breadcrumb.prototype.componentWillReceiveProps = function (nextProps) { this.setState(this._getStateFromProps(nextProps)); this._breadcrumbItemWidths = null; }; Breadcrumb.prototype.componentDidUpdate = function (prevProps, prevStates) { Iif (!this._breadcrumbItemWidths) { this._updateItemMeasurements(); this._updateRenderedItems(); } }; Breadcrumb.prototype.render = function () { var _this = this; var className = this.props.className; var _a = this.state, isOverflowOpen = _a.isOverflowOpen, overflowAnchor = _a.overflowAnchor, renderedItems = _a.renderedItems, renderedOverflowItems = _a.renderedOverflowItems, internalId = _a.internalId; var overflowMenuId = internalId + '-overflow'; return (React.createElement("div", {className: css_1.css('ms-Breadcrumb', className), ref: 'renderingArea'}, React.createElement(FocusZone_1.FocusZone, {direction: FocusZone_1.FocusZoneDirection.horizontal}, React.createElement("ul", {className: 'ms-Breadcrumb-list'}, renderedOverflowItems && renderedOverflowItems.length ? (React.createElement("li", {className: 'ms-Breadcrumb-overflow', key: OVERFLOW_KEY, ref: OVERFLOW_KEY}, React.createElement("div", {className: 'ms-Breadcrumb-overflowButton ms-Icon ms-Icon--ellipsis', onClick: this._onOverflowClicked.bind(this), "data-is-focusable": true, role: 'button', "aria-haspopup": 'true', "aria-owns": isOverflowOpen ? overflowMenuId : null}), React.createElement("i", {className: css_1.css('ms-Breadcrumb-chevron ms-Icon', rtl_1.getRTL() ? 'ms-Icon--chevronLeft' : 'ms-Icon--chevronRight')}))) : (null), renderedItems.map(function (item, index) { return (React.createElement("li", {className: 'ms-Breadcrumb-listItem', key: item.key || String(index), ref: item.key || String(index)}, React.createElement("a", {className: 'ms-Breadcrumb-itemLink', onClick: item.onClick ? _this._onBreadcrumbClicked.bind(_this, item) : null, href: item.href, role: item.onClick ? 'button' : 'link'}, item.text), React.createElement("i", {className: css_1.css('ms-Breadcrumb-chevron ms-Icon', rtl_1.getRTL() ? 'ms-Icon--chevronLeft' : 'ms-Icon--chevronRight')}))); }))), isOverflowOpen ? (React.createElement(ContextualMenu_1.ContextualMenu, {targetElement: overflowAnchor, isBeakVisible: true, items: renderedOverflowItems.map(function (item, index) { return ({ name: item.text, key: item.key, onClick: _this._onBreadcrumbClicked.bind(_this, item), href: item.href }); }), id: overflowMenuId, directionalHint: DirectionalHint_1.DirectionalHint.bottomLeftEdge, onDismiss: this._onOverflowDismissed.bind(this)})) : (null))); }; Breadcrumb.prototype._onOverflowClicked = function (ev) { this.setState({ 'isOverflowOpen': !this.state.isOverflowOpen, 'overflowAnchor': ev.currentTarget }); }; Breadcrumb.prototype._onOverflowDismissed = function (ev) { this.setState({ 'isOverflowOpen': false, 'overflowAnchor': null }); }; Breadcrumb.prototype._onBreadcrumbClicked = function (item, ev) { Eif (item.onClick) { item.onClick(item.key); } this.setState({ 'isOverflowOpen': false }); }; Breadcrumb.prototype._updateItemMeasurements = function () { var items = this.props.items; Eif (!this._breadcrumbItemWidths) { this._breadcrumbItemWidths = {}; } for (var i = 0; i < items.length; i++) { var item = items[i]; Eif (!this._breadcrumbItemWidths[item.key]) { var el = this.refs[item.key]; this._breadcrumbItemWidths[item.key] = el.getBoundingClientRect().width; } } }; Breadcrumb.prototype._updateRenderedItems = function () { var _a = this.props, items = _a.items, maxDisplayedItems = _a.maxDisplayedItems; var renderingArea = this.refs.renderingArea; var renderedItems = []; var renderedOverflowItems = [].concat(items); var consumedWidth = 0; var style = window.getComputedStyle(renderingArea); var availableWidth = renderingArea.clientWidth - parseInt(style.marginLeft, 10) - parseInt(style.marginRight, 10); availableWidth -= OVERFLOW_WIDTH; var i; var minIndex = Math.max(0, renderedOverflowItems.length - maxDisplayedItems); for (i = renderedOverflowItems.length - 1; i >= minIndex; i--) { var item = renderedOverflowItems[i]; var itemWidth = this._breadcrumbItemWidths[item.key]; Iif ((consumedWidth + itemWidth) >= availableWidth) { break; } else { consumedWidth += itemWidth; } } renderedItems = renderedOverflowItems.splice(i + 1); this.setState({ isOverflowOpen: this.state.isOverflowOpen, overflowAnchor: this.state.overflowAnchor, renderedItems: renderedItems, renderedOverflowItems: renderedOverflowItems, }); }; Breadcrumb.prototype._getStateFromProps = function (nextProps) { return { isOverflowOpen: false, overflowAnchor: null, renderedItems: nextProps.items || [], renderedOverflowItems: null, internalId: 'Breadcrumb-' + _instance++ }; }; Breadcrumb.defaultProps = { items: [], maxDisplayedItems: 999 }; return Breadcrumb; }(React.Component)); exports.Breadcrumb = Breadcrumb; //# sourceMappingURL=Breadcrumb.js.map |