feat(ui5-side-navigation): initial implementation

packages/base/src/UI5Element.js

@@ -493,6 +493,10 @@ class UI5Element extends HTMLElement {
 	 * @private
 	 */
 	_invalidate() {
+		if (this._shouldInvalidateParent) {
+			this.parentNode._invalidate();
+		}
+
 		if (!this._upToDate) {
 			// console.log("already invalidated", this, ...arguments);
 			return;
@@ -502,10 +506,6 @@ class UI5Element extends HTMLElement {
 			this._upToDate = false;
 			// console.log("INVAL", this, ...arguments);
 			RenderScheduler.renderDeferred(this);
-
-			if (this._shouldInvalidateParent) {
-				this.parentNode._invalidate();
-			}
 		}
 	}
 

packages/fiori/bundle.esm.js

@@ -10,6 +10,9 @@ import "./dist/features/CoPilotAnimation.js";
 import FlexibleColumnLayout from "./dist/FlexibleColumnLayout.js";
 import ProductSwitch from "./dist/ProductSwitch.js";
 import ProductSwitchItem from "./dist/ProductSwitchItem.js";
+import SideNavigation from "./dist/SideNavigation.js";
+import SideNavigationItem from "./dist/SideNavigationItem.js";
+import SideNavigationSubItem from "./dist/SideNavigationSubItem.js";
 import ShellBar from "./dist/ShellBar.js";
 import ShellBarItem from "./dist/ShellBarItem.js";
 import UploadCollection from "./dist/UploadCollection.js";

packages/fiori/src/SideNavigation.hbs

@@ -0,0 +1,80 @@
+<div class="ui5-sn-root">
+	{{> header }}
+
+	{{#if items.length}}
+		<ui5-tree
+			id="ui5-sn-items-tree"
+			mode="None"
+			?_minimal="{{collapsed}}"
+			_toggle-button-end
+			@ui5-item-click="{{handleTreeItemClick}}"
+		>
+			{{#each _items}}
+				<ui5-tree-item
+					icon="{{this.item.icon}}"
+					.associatedItem="{{this.item}}"
+					text="{{this.item.text}}"
+					?has-children="{{this.item.items.length}}"
+					?expanded="{{this.item.expanded}}"
+					?selected="{{this.selected}}"
+				>
+					{{#unless ../collapsed}}
+						{{#each this.item.items}}
+							<ui5-tree-item
+								.associatedItem="{{this}}"
+								text="{{this.text}}"
+								?selected="{{this.selected}}"
+							>
+							</ui5-tree-item>
+						{{/each}}
+					{{/unless}}
+				</ui5-tree-item>
+			{{/each}}
+		</ui5-tree>
+	{{/if}}
+
+	<div class="ui5-sn-spacer"></div>
+
+	{{#if fixedItems.length}}
+	   <div>
+			<div class="ui5-sn-bottom-content-border">
+				<span></span>
+			</div>
+			<ui5-tree
+				id="ui5-sn-fixed-items-tree"
+				mode="None"
+				?_minimal="{{collapsed}}"
+				_toggle-button-end
+				@ui5-item-click="{{handleTreeItemClick}}"
+			>
+				{{#each _fixedItems}}
+					<ui5-tree-item
+						icon="{{this.item.icon}}"
+						.associatedItem="{{this.item}}"
+						text="{{this.item.text}}"
+						?has-children="{{this.item.items.length}}"
+						?expanded="{{this.item.expanded}}"
+						?selected="{{this.selected}}"
+					>
+						{{#unless ../collapsed}}
+							{{#each this.item.items}}
+								<ui5-tree-item
+									.associatedItem="{{this}}"
+									text="{{this.text}}"
+									?selected="{{this.selected}}"
+								>
+								</ui5-tree-item>
+							{{/each}}
+						{{/unless}}
+					</ui5-tree-item>
+				{{/each}}
+			</ui5-tree>
+	   </div>
+	{{/if}}
+
+	{{> footer }}
+</div>
+
+{{#*inline header}}{{/inline}}
+
+{{#*inline footer}}{{/inline}}

packages/fiori/src/SideNavigation.js

@@ -0,0 +1,238 @@
+import UI5Element from "@ui5/webcomponents-base/dist/UI5Element.js";
+import litRender from "@ui5/webcomponents-base/dist/renderer/LitRenderer.js";
+import ResponsivePopover from "@ui5/webcomponents/dist/ResponsivePopover.js";
+import Tree from "@ui5/webcomponents/dist/Tree.js";
+import SideNavigationTemplate from "./generated/templates/SideNavigationTemplate.lit.js";
+import SideNavigationItemPopoverContentTemplate from "./generated/templates/SideNavigationItemPopoverContentTemplate.lit.js";
+
+// Styles
+import SideNavigationCss from "./generated/themes/SideNavigation.css.js";
+
+/**
+ * @public
+ */
+const metadata = {
+	tag: "ui5-side-navigation",
+	managedSlots: true,
+	properties: /** @lends sap.ui.webcomponents.fiori.SideNavigation.prototype */ {
+		/**
+		 * Defines whether the <code>ui5-side-navigation</code> is expanded or collapsed.
+		 *
+		 * @public
+		 * @type {boolean}
+		 * @defaultvalue false
+		 */
+		collapsed: {
+			type: Boolean,
+		},
+
+		/**
+		 * @private
+		 */
+		_popoverContent: {
+			type: Object,
+		},
+	},
+	slots: /** @lends sap.ui.webcomponents.fiori.SideNavigation.prototype */ {
+		/**
+		 * Defines the main items of the <code>ui5-side-navigation</code>. Use the <code>ui5-side-navigation-item</code> component
+		 * for the top-level items, and the <code>ui5-side-navigation-subitem</code> component for second-level items, nested
+		 * inside the items.
+		 *
+		 * @public
+		 * @slot
+		 */
+		"default": {
+			propertyName: "items",
+			invalidateParent: true,
+			type: HTMLElement,
+		},
+
+		/**
+		 * Defines the fixed items at the bottom of the <code>ui5-side-navigation</code>. Use the <code>ui5-side-navigation-item</code> component
+		 * for the fixed items, and optionally the <code>ui5-side-navigation-subitem</code> component to provide second-level items inside them.
+		 *
+		 * <b>Note:</b> In order to achieve the best user experience, it is recommended that you keep the fixed items "flat" (do not pass sub-items)
+		 *
+		 * @public
+		 * @slot
+		 */
+		fixedItems: {
+			type: HTMLElement,
+			invalidateParent: true,
+		},
+	},
+	events: /** @lends sap.ui.webcomponents.fiori.SideNavigation.prototype */ {
+		/**
+		 * Fired when the selection has changed via user interaction
+		 *
+		 * @event sap.ui.webcomponents.fiori.SideNavigation#selection-change
+		 * @param {HTMLElement} item the clicked item.
+		 * @public
+		 */
+		"selection-change": {
+			item: {
+				type: HTMLElement,
+			},
+		},
+	},
+};
+
+/**
+ * @class
+ *
+ * <h3 class="comment-api-title">Overview</h3>
+ *
+ *
+ * <h3>Usage</h3>
+ *
+ * <code>ui5-side-navigation</code> is used as a standard menu in applications. In order to add menu items use <code>ui5-side-navigation-items</code>.
+ *
+ * For the <code>ui5-side-navigation</code>
+ * <h3>ES6 Module Import</h3>
+ *
+ * <code>import @ui5/webcomponents/dist/SideNavigation.js";</code>
+ *
+ * @constructor
+ * @author SAP SE
+ * @alias sap.ui.webcomponents.fiori.SideNavigation
+ * @extends UI5Element
+ * @tagname ui5-side-navigation
+ * @since 1.0.0-rc.8
+ * @appenddocs SideNavigationItem
+ * @public
+ */
+class SideNavigation extends UI5Element {
+	static get metadata() {
+		return metadata;
+	}
+
+	static get render() {
+		return litRender;
+	}
+
+	static get styles() {
+		return SideNavigationCss;
+	}
+
+	static get template() {
+		return SideNavigationTemplate;
+	}
+
+	static get staticAreaTemplate() {
+		return SideNavigationItemPopoverContentTemplate;
+	}
+
+	static async onDefine() {
+		await Promise.all([
+			Tree.define(),
+			ResponsivePopover.define(),
+		]);
+	}
+
+	onBeforeRendering() {
+		this._items = this.items.map(item => {
+			return {
+				item,
+				selected: ((item.items.some(subItem => subItem.selected) && this.collapsed) || item.selected),
+			};
+		});
+
+		this._fixedItems = this.fixedItems.map(item => {
+			return {
+				item,
+				selected: ((item.items.some(subItem => subItem.selected) && this.collapsed) || item.selected),
+			};
+		});
+	}
+
+	_setSelectedItem(item) {
+		this._walk(current => {
+			current.selected = false;
+		});
+		item.selected = true;
+
+		this.fireEvent("selection-change", { item });
+	}
+
+	_buildPopoverContent(item) {
+		this._popoverContent = {
+			mainItem: item,
+			mainItemSelected: item.selected && !item.items.some(subItem => subItem.selected),
+			subItems: item.items,
+		};
+	}
+
+	handleTreeItemClick(event) {
+		const treeItem = event.detail.item;
+		const item = treeItem.associatedItem;
+
+		if (item.selected && !this.collapsed) {
+			return;
+		}
+
+		if (this.collapsed && item.items.length) {
+			this._buildPopoverContent(item);
+			const currentTree = this._itemsTree === event.target ? this._itemsTree : this._fixedItemsTree;
+			this.openPicker(currentTree._getListItemForTreeItem(treeItem));
+		} else {
+			this._setSelectedItem(item);
+		}
+	}
+
+	handleListItemClick(event) {
+		const listItem = event.detail.item;
+		const item = listItem.associatedItem;
+
+		if (item.selected) {
+			return;
+		}
+
+		this._setSelectedItem(item);
+		this.closePicker();
+	}
+
+	async getPicker() {
+		return (await this.getStaticAreaItemDomRef()).querySelector("ui5-responsive-popover");
+	}
+
+	async openPicker(opener) {
+		const responsivePopover = await this.getPicker();
+		responsivePopover.open(opener);
+	}
+
+	async closePicker(opener) {
+		const responsivePopover = await this.getPicker();
+		responsivePopover.close();
+	}
+
+	get _itemsTree() {
+		return this.getDomRef().querySelector("#ui5-sn-items-tree");
+	}
+
+	get _fixedItemsTree() {
+		return this.getDomRef().querySelector("#ui5-sn-fixed-items-tree");
+	}
+
+	_walk(callback) {
+		this.items.forEach(current => {
+			callback(current);
+
+			current.items.forEach(currentSubitem => {
+				callback(currentSubitem);
+			});
+		});
+
+		this.fixedItems.forEach(current => {
+			callback(current);
+
+			current.items.forEach(currentSubitem => {
+				callback(currentSubitem);
+			});
+		});
+	}
+}
+
+SideNavigation.define();
+
+export default SideNavigation;