office-ui-fabric-react
Version:
Reusable React components for building experiences for Office 365.
108 lines (107 loc) • 5.89 kB
JavaScript
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 __());
};
define(["require", "exports", 'react', '../../FocusZone', '../../utilities/css', '../../utilities/rtl', './Nav.scss'], function (require, exports, React, FocusZone_1, css_1, rtl_1) {
"use strict";
// The number pixels per indentation level for Nav links.
var _indentationSize = 14;
var Nav = (function (_super) {
__extends(Nav, _super);
function Nav() {
_super.call(this);
this.state = {
isGroupExpanded: []
};
}
Nav.prototype.render = function () {
var _this = this;
if (!this.props.groups) {
return null;
}
if (this.props.initialSelectedKey) {
this._selectedKey = this.props.initialSelectedKey;
}
var groupElements = this.props.groups.map(function (group, groupIndex) { return _this._renderGroup(group, groupIndex); });
return (React.createElement(FocusZone_1.FocusZone, {direction: FocusZone_1.FocusZoneDirection.vertical}, React.createElement("nav", {role: 'navigation', className: css_1.css('ms-Nav', { 'is-onTop ms-u-slideRightIn40': this.props.isOnTop })}, groupElements)));
};
Object.defineProperty(Nav.prototype, "selectedKey", {
get: function () {
return this._selectedKey;
},
enumerable: true,
configurable: true
});
Nav.prototype._renderLink = function (link, linkIndex, nestingLevel, hasGroupButton) {
var onLinkClick = this.props.onLinkClick;
// Determine the appropriate padding to add before this link.
// In RTL, the "before" padding will go on the right instead of the left.
var isRtl = rtl_1.getRTL();
var paddingBefore = (_indentationSize * nestingLevel + (hasGroupButton ? 40 : 20)).toString(10) + 'px';
var isLinkSelected = _isLinkSelected(link, this._selectedKey);
if (isLinkSelected) {
this._selectedKey = link.key ? link.key : undefined;
}
return (React.createElement("li", {role: 'listitem', key: linkIndex}, React.createElement("a", {className: css_1.css('ms-Nav-link', { 'is-selected': isLinkSelected }), style: (_a = {}, _a[isRtl ? 'paddingRight' : 'paddingLeft'] = paddingBefore, _a), href: link.url || 'javascript:', onClick: onLinkClick, "aria-label": link.ariaLabel, title: link.title ? link.title : '', target: link.target || ''}, (link.iconClassName ?
React.createElement("i", {className: css_1.css('ms-Icon', 'ms-Nav-IconLink', link.iconClassName)})
: ''), this.props.onRenderLink(link)), this._renderLinks(link.links, nestingLevel + 1, hasGroupButton)));
var _a;
};
Nav.prototype._renderLinks = function (links, nestingLevel, hasGroupButton) {
var _this = this;
if (!links || !links.length) {
return null;
}
var linkElements = links.map(function (link, linkIndex) { return _this._renderLink(link, linkIndex, nestingLevel, hasGroupButton); });
return (React.createElement("ul", {role: 'list', "aria-label": this.props.ariaLabel}, linkElements));
};
Nav.prototype._renderGroup = function (group, groupIndex) {
var isGroupExpanded = this.state.isGroupExpanded[groupIndex] !== false;
var hasGroupButton = !!(group.name);
return (React.createElement("div", {key: groupIndex, className: css_1.css('ms-Nav-group', { 'is-expanded': isGroupExpanded })}, (hasGroupButton ?
React.createElement("button", {className: 'ms-Nav-groupButton', onClick: this._onGroupHeaderClicked.bind(this, groupIndex)}, React.createElement("i", {className: css_1.css('ms-Nav-groupChevron', 'ms-Icon', 'ms-Icon--chevronDown')}), group.name) : null), React.createElement("div", {className: css_1.css('ms-Nav-groupContent', 'ms-u-slideDownIn20')}, this._renderLinks(group.links, 0 /* nestingLevel */, hasGroupButton))));
};
Nav.prototype._onGroupHeaderClicked = function (groupIndex, ev) {
var currentState = this.state.isGroupExpanded[groupIndex] !== false;
this.state.isGroupExpanded[groupIndex] = !currentState;
this.forceUpdate();
ev.preventDefault();
ev.stopPropagation();
};
Nav.defaultProps = {
groups: null,
onRenderLink: function (link) { return (React.createElement("span", {className: 'ms-Nav-linkText'}, link.name)); }
};
return Nav;
}(React.Component));
exports.Nav = Nav;
// A tag used for resolving links.
var _urlResolver = document.createElement('a');
function _isLinkSelected(link, selectedKey) {
if (!link.url) {
return false;
}
_urlResolver.href = link.url || '';
var target = _urlResolver.href;
if (selectedKey && link.key === selectedKey) {
return true;
}
if (location.protocol + '//' + location.host + location.pathname === target) {
return true;
}
if (location.href === target) {
return true;
}
if (location.hash) {
// Match the hash to the url.
if (location.hash === link.url) {
return true;
}
// Match a rebased url. (e.g. #foo becomes http://hostname/foo)
_urlResolver.href = location.hash.substring(1);
return _urlResolver.href === target;
}
return false;
}
});