Add area config page (#5343)

* Add area config page

* Comments

* Update ha-config-area-page.ts

* Update ha-config-area-page.ts

src/data/device_registry.ts

@@ -53,6 +53,9 @@ export const fallbackDeviceName = (
   return undefined;
 };
 
+export const devicesInArea = (devices: DeviceRegistryEntry[], areaId: string) =>
+  devices.filter((device) => device.area_id === areaId);
+
 export const updateDeviceRegistryEntry = (
   hass: HomeAssistant,
   deviceId: string,

src/dialogs/generic/show-dialog-box.ts

@@ -1,8 +1,9 @@
 import { fireEvent } from "../../common/dom/fire_event";
+import { TemplateResult } from "lit-html";
 
 interface BaseDialogParams {
   confirmText?: string;
-  text?: string;
+  text?: string | TemplateResult;
   title?: string;
 }
 

src/layouts/hass-tabs-subpage-data-table.ts

@@ -88,6 +88,7 @@ export class HaTabsSubpageDataTable extends LitElement {
         .route=${this.route}
         .tabs=${this.tabs}
       >
+        <div slot="toolbar-icon"><slot name="toolbar-icon"></slot></div>
         ${this.narrow
           ? html`
               <div slot="header">

src/panels/config/areas/dialog-area-registry-detail.ts

@@ -109,9 +109,9 @@ class DialogAreaDetail extends LitElement {
         name: this._name.trim(),
       };
       if (this._params!.entry) {
-        await this._params!.updateEntry(values);
+        await this._params!.updateEntry!(values);
       } else {
-        await this._params!.createEntry(values);
+        await this._params!.createEntry!(values);
       }
       this._params = undefined;
     } catch (err) {
@@ -124,7 +124,7 @@ class DialogAreaDetail extends LitElement {
   private async _deleteEntry() {
     this._submitting = true;
     try {
-      if (await this._params!.removeEntry()) {
+      if (await this._params!.removeEntry!()) {
         this._params = undefined;
       }
     } finally {

src/panels/config/areas/ha-config-area-page.ts

@@ -0,0 +1,397 @@
+import "@material/mwc-button";
+import "@polymer/paper-dialog-scrollable/paper-dialog-scrollable";
+import "@polymer/paper-input/paper-input";
+import {
+  css,
+  CSSResult,
+  customElement,
+  html,
+  LitElement,
+  property,
+  TemplateResult,
+} from "lit-element";
+import "../../../components/dialog/ha-paper-dialog";
+import { haStyle } from "../../../resources/styles";
+import { HomeAssistant, Route } from "../../../types";
+import memoizeOne from "memoize-one";
+import {
+  AreaRegistryEntry,
+  updateAreaRegistryEntry,
+  deleteAreaRegistryEntry,
+} from "../../../data/area_registry";
+import {
+  DeviceRegistryEntry,
+  devicesInArea,
+  computeDeviceName,
+} from "../../../data/device_registry";
+import { configSections } from "../ha-panel-config";
+import {
+  showAreaRegistryDetailDialog,
+  loadAreaRegistryDetailDialog,
+} from "./show-dialog-area-registry-detail";
+import { showConfirmationDialog } from "../../../dialogs/generic/show-dialog-box";
+import { RelatedResult, findRelated } from "../../../data/search";
+import { isComponentLoaded } from "../../../common/config/is_component_loaded";
+import { computeStateName } from "../../../common/entity/compute_state_name";
+import { ifDefined } from "lit-html/directives/if-defined";
+
+@customElement("ha-config-area-page")
+class HaConfigAreaPage extends LitElement {
+  @property() public hass!: HomeAssistant;
+  @property() public areaId!: string;
+  @property() public areas!: AreaRegistryEntry[];
+  @property() public devices!: DeviceRegistryEntry[];
+  @property({ type: Boolean, reflect: true }) public narrow!: boolean;
+  @property() public isWide!: boolean;
+  @property() public showAdvanced!: boolean;
+  @property() public route!: Route;
+  @property() private _related?: RelatedResult;
+
+  private _area = memoizeOne((areaId: string, areas: AreaRegistryEntry[]):
+    | AreaRegistryEntry
+    | undefined => areas.find((area) => area.area_id === areaId));
+
+  private _devices = memoizeOne(
+    (areaId: string, devices: DeviceRegistryEntry[]): DeviceRegistryEntry[] =>
+      devicesInArea(devices, areaId)
+  );
+
+  protected firstUpdated(changedProps) {
+    super.firstUpdated(changedProps);
+    loadAreaRegistryDetailDialog();
+  }
+
+  protected updated(changedProps) {
+    super.updated(changedProps);
+    if (changedProps.has("areaId")) {
+      this._findRelated();
+    }
+  }
+
+  protected render(): TemplateResult {
+    const area = this._area(this.areaId, this.areas);
+
+    if (!area) {
+      return html`
+        <hass-error-screen
+          error="${this.hass.localize("ui.panel.config.areas.area_not_found")}"
+        ></hass-error-screen>
+      `;
+    }
+
+    const devices = this._devices(this.areaId, this.devices);
+
+    return html`
+      <hass-tabs-subpage
+        .hass=${this.hass}
+        .narrow=${this.narrow}
+        .tabs=${configSections.integrations}
+        .route=${this.route}
+      >
+        ${this.narrow
+          ? html`
+              <span slot="header">
+                ${area.name}
+              </span>
+            `
+          : ""}
+
+        <paper-icon-button
+          slot="toolbar-icon"
+          icon="hass:settings"
+          .entry=${area}
+          @click=${this._showSettings}
+        ></paper-icon-button>
+
+        <div class="container">
+          ${!this.narrow
+            ? html`
+                <div class="fullwidth">
+                  <h1>${area.name}</h1>
+                </div>
+              `
+            : ""}
+          <div class="column">
+            <ha-card
+              .header=${this.hass.localize("ui.panel.config.devices.caption")}
+              >${devices.length
+                ? devices.map(
+                    (device) =>
+                      html`
+                        <a href="/config/devices/device/${device.id}">
+                          <paper-item>
+                            <paper-item-body>
+                              ${computeDeviceName(device, this.hass)}
+                            </paper-item-body>
+                            <ha-icon-next></ha-icon-next>
+                          </paper-item>
+                        </a>
+                      `
+                  )
+                : html`
+                    <paper-item class="no-link"
+                      >${this.hass.localize(
+                        "ui.panel.config.devices.no_devices"
+                      )}</paper-item
+                    >
+                  `}
+            </ha-card>
+          </div>
+          <div class="column">
+            ${isComponentLoaded(this.hass, "automation")
+              ? html`
+                  <ha-card
+                    .header=${this.hass.localize(
+                      "ui.panel.config.devices.automation.automations"
+                    )}
+                    >${this._related?.automation?.length
+                      ? this._related.automation.map((automation) => {
+                          const state = this.hass.states[automation];
+                          return state
+                            ? html`
+                                <div>
+                                  <a
+                                    href=${ifDefined(
+                                      state.attributes.id
+                                        ? `/config/automation/edit/${state.attributes.id}`
+                                        : undefined
+                                    )}
+                                  >
+                                    <paper-item
+                                      .disabled=${!state.attributes.id}
+                                    >
+                                      <paper-item-body>
+                                        ${computeStateName(state)}
+                                      </paper-item-body>
+                                      <ha-icon-next></ha-icon-next>
+                                    </paper-item>
+                                  </a>
+                                  ${!state.attributes.id
+                                    ? html`
+                                        <paper-tooltip
+                                          >${this.hass.localize(
+                                            "ui.panel.config.devices.cant_edit"
+                                          )}
+                                        </paper-tooltip>
+                                      `
+                                    : ""}
+                                </div>
+                              `
+                            : "";
+                        })
+                      : html`
+                          <paper-item class="no-link"
+                            >${this.hass.localize(
+                              "ui.panel.config.devices.automation.no_automations"
+                            )}</paper-item
+                          >
+                        `}
+                  </ha-card>
+                `
+              : ""}
+          </div>
+          <div class="column">
+            ${isComponentLoaded(this.hass, "scene")
+              ? html`
+                  <ha-card
+                    .header=${this.hass.localize(
+                      "ui.panel.config.devices.scene.scenes"
+                    )}
+                    >${this._related?.scene?.length
+                      ? this._related.scene.map((scene) => {
+                          const state = this.hass.states[scene];
+                          return state
+                            ? html`
+                                <div>
+                                  <a
+                                    href=${ifDefined(
+                                      state.attributes.id
+                                        ? `/config/scene/edit/${state.attributes.id}`
+                                        : undefined
+                                    )}
+                                  >
+                                    <paper-item
+                                      .disabled=${!state.attributes.id}
+                                    >
+                                      <paper-item-body>
+                                        ${computeStateName(state)}
+                                      </paper-item-body>
+                                      <ha-icon-next></ha-icon-next>
+                                    </paper-item>
+                                  </a>
+                                  ${!state.attributes.id
+                                    ? html`
+                                        <paper-tooltip
+                                          >${this.hass.localize(
+                                            "ui.panel.config.devices.cant_edit"
+                                          )}
+                                        </paper-tooltip>
+                                      `
+                                    : ""}
+                                </div>
+                              `
+                            : "";
+                        })
+                      : html`
+                          <paper-item class="no-link"
+                            >${this.hass.localize(
+                              "ui.panel.config.devices.scene.no_scenes"
+                            )}</paper-item
+                          >
+                        `}
+                  </ha-card>
+                `
+              : ""}
+            ${isComponentLoaded(this.hass, "script")
+              ? html`
+                  <ha-card
+                    .header=${this.hass.localize(
+                      "ui.panel.config.devices.script.scripts"
+                    )}
+                    >${this._related?.script?.length
+                      ? this._related.script.map((script) => {
+                          const state = this.hass.states[script];
+                          return state
+                            ? html`
+                                <a
+                                  href=${ifDefined(
+                                    state.attributes.id
+                                      ? `/config/script/edit/${state.attributes.id}`
+                                      : undefined
+                                  )}
+                                >
+                                  <paper-item>
+                                    <paper-item-body>
+                                      ${computeStateName(state)}
+                                    </paper-item-body>
+                                    <ha-icon-next></ha-icon-next>
+                                  </paper-item>
+                                </a>
+                              `
+                            : "";
+                        })
+                      : html`
+                          <paper-item class="no-link">
+                            ${this.hass.localize(
+                              "ui.panel.config.devices.script.no_scripts"
+                            )}</paper-item
+                          >
+                        `}
+                  </ha-card>
+                `
+              : ""}
+          </div>
+        </div>
+      </hass-tabs-subpage>
+    `;
+  }
+
+  private async _findRelated() {
+    this._related = await findRelated(this.hass, "area", this.areaId);
+  }
+
+  private _showSettings(ev: MouseEvent) {
+    const entry: AreaRegistryEntry = (ev.currentTarget! as any).entry;
+    this._openDialog(entry);
+  }
+
+  private _openDialog(entry?: AreaRegistryEntry) {
+    showAreaRegistryDetailDialog(this, {
+      entry,
+      updateEntry: async (values) =>
+        updateAreaRegistryEntry(this.hass!, entry!.area_id, values),
+      removeEntry: async () => {
+        if (
+          !(await showConfirmationDialog(this, {
+            title: this.hass.localize(
+              "ui.panel.config.areas.delete.confirmation_title"
+            ),
+            text: this.hass.localize(
+              "ui.panel.config.areas.delete.confirmation_text"
+            ),
+            dismissText: this.hass.localize("ui.common.no"),
+            confirmText: this.hass.localize("ui.common.yes"),
+          }))
+        ) {
+          return false;
+        }
+
+        try {
+          await deleteAreaRegistryEntry(this.hass!, entry!.area_id);
+          return true;
+        } catch (err) {
+          return false;
+        }
+      },
+    });
+  }
+
+  static get styles(): CSSResult[] {
+    return [
+      haStyle,
+      css`
+        h1 {
+          margin-top: 0;
+          font-family: var(--paper-font-headline_-_font-family);
+          -webkit-font-smoothing: var(
+            --paper-font-headline_-_-webkit-font-smoothing
+          );
+          font-size: var(--paper-font-headline_-_font-size);
+          font-weight: var(--paper-font-headline_-_font-weight);
+          letter-spacing: var(--paper-font-headline_-_letter-spacing);
+          line-height: var(--paper-font-headline_-_line-height);
+          opacity: var(--dark-primary-opacity);
+        }
+
+        .container {
+          display: flex;
+          flex-wrap: wrap;
+          margin: auto;
+          max-width: 1000px;
+          margin-top: 32px;
+          margin-bottom: 32px;
+        }
+        .column {
+          padding: 8px;
+          box-sizing: border-box;
+          width: 33%;
+          flex-grow: 1;
+        }
+        .fullwidth {
+          padding: 8px;
+          width: 100%;
+        }
+        .column > *:not(:first-child) {
+          margin-top: 16px;
+        }
+
+        :host([narrow]) .column {
+          width: 100%;
+        }
+
+        :host([narrow]) .container {
+          margin-top: 0;
+        }
+
+        paper-item {
+          cursor: pointer;
+        }
+
+        a {
+          text-decoration: none;
+          color: var(--primary-text-color);
+        }
+
+        paper-item.no-link {
+          cursor: default;
+        }
+      `,
+    ];
+  }
+}
+
+declare global {
+  interface HTMLElementTagNameMap {
+    "ha-config-area-page": HaConfigAreaPage;
+  }
+}

src/panels/config/areas/ha-config-areas-dashboard.ts

@@ -0,0 +1,217 @@
+import {
+  LitElement,
+  TemplateResult,
+  html,
+  css,
+  CSSResult,
+  property,
+  customElement,
+} from "lit-element";
+import "@polymer/paper-item/paper-item";
+import "@polymer/paper-item/paper-item-body";
+
+import { HomeAssistant, Route } from "../../../types";
+import {
+  AreaRegistryEntry,
+  createAreaRegistryEntry,
+} from "../../../data/area_registry";
+import "../../../components/ha-fab";
+import "../../../layouts/hass-loading-screen";
+import "../../../layouts/hass-tabs-subpage-data-table";
+import "../ha-config-section";
+import {
+  showAreaRegistryDetailDialog,
+  loadAreaRegistryDetailDialog,
+} from "./show-dialog-area-registry-detail";
+import { configSections } from "../ha-panel-config";
+import memoizeOne from "memoize-one";
+import {
+  DataTableColumnContainer,
+  RowClickedEvent,
+} from "../../../components/data-table/ha-data-table";
+import {
+  devicesInArea,
+  DeviceRegistryEntry,
+} from "../../../data/device_registry";
+import { navigate } from "../../../common/navigate";
+import { HASSDomEvent } from "../../../common/dom/fire_event";
+import { showAlertDialog } from "../../../dialogs/generic/show-dialog-box";
+
+@customElement("ha-config-areas-dashboard")
+export class HaConfigAreasDashboard extends LitElement {
+  @property() public hass!: HomeAssistant;
+  @property() public isWide?: boolean;
+  @property() public narrow!: boolean;
+  @property() public route!: Route;
+  @property() public areas!: AreaRegistryEntry[];
+  @property() public devices!: DeviceRegistryEntry[];
+
+  private _areas = memoizeOne(
+    (areas: AreaRegistryEntry[], devices: DeviceRegistryEntry[]) => {
+      return areas.map((area) => {
+        return {
+          ...area,
+          devices: devicesInArea(devices, area.area_id).length,
+        };
+      });
+    }
+  );
+
+  private _columns = memoizeOne(
+    (narrow: boolean): DataTableColumnContainer =>
+      narrow
+        ? {
+            name: {
+              title: this.hass.localize(
+                "ui.panel.config.areas.data_table.area"
+              ),
+              sortable: true,
+              filterable: true,
+              grows: true,
+              direction: "asc",
+            },
+          }
+        : {
+            name: {
+              title: this.hass.localize(
+                "ui.panel.config.areas.data_table.area"
+              ),
+              sortable: true,
+              filterable: true,
+              grows: true,
+              direction: "asc",
+            },
+            devices: {
+              title: this.hass.localize(
+                "ui.panel.config.areas.data_table.devices"
+              ),
+              sortable: true,
+              type: "numeric",
+              width: "20%",
+              direction: "asc",
+            },
+          }
+  );
+
+  protected render(): TemplateResult {
+    return html`
+      <hass-tabs-subpage-data-table
+        .hass=${this.hass}
+        .narrow=${this.narrow}
+        back-path="/config"
+        .tabs=${configSections.integrations}
+        .route=${this.route}
+        .columns=${this._columns(this.narrow)}
+        .data=${this._areas(this.areas, this.devices)}
+        @row-click=${this._handleRowClicked}
+        .noDataText=${this.hass.localize(
+          "ui.panel.config.areas.picker.no_areas"
+        )}
+        id="area_id"
+      >
+        <paper-icon-button
+          slot="toolbar-icon"
+          icon="hass:help-circle"
+          @click=${this._showHelp}
+        ></paper-icon-button>
+      </hass-tabs-subpage-data-table>
+      <ha-fab
+        ?is-wide=${this.isWide}
+        ?narrow=${this.narrow}
+        icon="hass:plus"
+        title="${this.hass.localize(
+          "ui.panel.config.areas.picker.create_area"
+        )}"
+        @click=${this._createArea}
+      ></ha-fab>
+    `;
+  }
+
+  protected firstUpdated(changedProps) {
+    super.firstUpdated(changedProps);
+    loadAreaRegistryDetailDialog();
+  }
+
+  private _createArea() {
+    this._openDialog();
+  }
+
+  private _showHelp() {
+    showAlertDialog(this, {
+      title: this.hass.localize("ui.panel.config.areas.caption"),
+      text: html`
+        ${this.hass.localize("ui.panel.config.areas.picker.introduction")}
+        <p>
+          ${this.hass.localize("ui.panel.config.areas.picker.introduction2")}
+        </p>
+        <a href="/config/integrations/dashboard">
+          ${this.hass.localize(
+            "ui.panel.config.areas.picker.integrations_page"
+          )}
+        </a>
+      `,
+    });
+  }
+
+  private _handleRowClicked(ev: HASSDomEvent<RowClickedEvent>) {
+    const areaId = ev.detail.id;
+    navigate(this, `/config/areas/area/${areaId}`);
+  }
+
+  private _openDialog(entry?: AreaRegistryEntry) {
+    showAreaRegistryDetailDialog(this, {
+      entry,
+      createEntry: async (values) =>
+        createAreaRegistryEntry(this.hass!, values),
+    });
+  }
+
+  static get styles(): CSSResult {
+    return css`
+      hass-loading-screen {
+        --app-header-background-color: var(--sidebar-background-color);
+        --app-header-text-color: var(--sidebar-text-color);
+      }
+      a {
+        color: var(--primary-color);
+      }
+      ha-card {
+        max-width: 600px;
+        margin: 16px auto;
+        overflow: hidden;
+      }
+      .empty {
+        text-align: center;
+      }
+      paper-item {
+        cursor: pointer;
+        padding-top: 4px;
+        padding-bottom: 4px;
+      }
+      ha-fab {
+        position: fixed;
+        bottom: 16px;
+        right: 16px;
+        z-index: 1;
+      }
+
+      ha-fab[is-wide] {
+        bottom: 24px;
+        right: 24px;
+      }
+      ha-fab[narrow] {
+        bottom: 84px;
+      }
+      ha-fab.rtl {
+        right: auto;
+        left: 16px;
+      }
+
+      ha-fab[is-wide].rtl {
+        bottom: 24px;
+        right: auto;
+        left: 24px;
+      }
+    `;
+  }
+}

src/panels/config/areas/ha-config-areas.ts

@@ -1,226 +1,120 @@
+import "./ha-config-areas-dashboard";
+import "./ha-config-area-page";
+import { compare } from "../../../common/string/compare";
 import {
-  LitElement,
-  TemplateResult,
-  html,
-  css,
-  CSSResult,
-  property,
-  customElement,
-} from "lit-element";
-import "@polymer/paper-item/paper-item";
-import "@polymer/paper-item/paper-item-body";
-
-import { HomeAssistant, Route } from "../../../types";
-import {
-  AreaRegistryEntry,
-  updateAreaRegistryEntry,
-  deleteAreaRegistryEntry,
-  createAreaRegistryEntry,
   subscribeAreaRegistry,
+  AreaRegistryEntry,
 } from "../../../data/area_registry";
-import "../../../components/ha-card";
-import "../../../components/ha-fab";
-import "../../../layouts/hass-tabs-subpage";
-import "../../../layouts/hass-loading-screen";
-import "../ha-config-section";
 import {
-  showAreaRegistryDetailDialog,
-  loadAreaRegistryDetailDialog,
-} from "./show-dialog-area-registry-detail";
-import { classMap } from "lit-html/directives/class-map";
-import { computeRTL } from "../../../common/util/compute_rtl";
+  HassRouterPage,
+  RouterOptions,
+} from "../../../layouts/hass-router-page";
+import { property, customElement, PropertyValues } from "lit-element";
+import { HomeAssistant } from "../../../types";
+import { ConfigEntry, getConfigEntries } from "../../../data/config_entries";
+import {
+  DeviceRegistryEntry,
+  subscribeDeviceRegistry,
+} from "../../../data/device_registry";
 import { UnsubscribeFunc } from "home-assistant-js-websocket";
-import { configSections } from "../ha-panel-config";
-import { showConfirmationDialog } from "../../../dialogs/generic/show-dialog-box";
 
 @customElement("ha-config-areas")
-export class HaConfigAreas extends LitElement {
+class HaConfigAreas extends HassRouterPage {
   @property() public hass!: HomeAssistant;
-  @property() public isWide?: boolean;
   @property() public narrow!: boolean;
-  @property() public route!: Route;
-  @property() private _areas?: AreaRegistryEntry[];
-  private _unsubAreas?: UnsubscribeFunc;
+  @property() public isWide!: boolean;
+  @property() public showAdvanced!: boolean;
+
+  protected routerOptions: RouterOptions = {
+    defaultPage: "dashboard",
+    routes: {
+      dashboard: {
+        tag: "ha-config-areas-dashboard",
+        cache: true,
+      },
+      area: {
+        tag: "ha-config-area-page",
+      },
+    },
+  };
+
+  @property() private _configEntries: ConfigEntry[] = [];
+  @property() private _deviceRegistryEntries: DeviceRegistryEntry[] = [];
+  @property() private _areas: AreaRegistryEntry[] = [];
+
+  private _unsubs?: UnsubscribeFunc[];
+
+  public connectedCallback() {
+    super.connectedCallback();
+
+    if (!this.hass) {
+      return;
+    }
+    this._loadData();
+  }
 
   public disconnectedCallback() {
     super.disconnectedCallback();
-    if (this._unsubAreas) {
-      this._unsubAreas();
+    if (this._unsubs) {
+      while (this._unsubs.length) {
+        this._unsubs.pop()!();
+      }
+      this._unsubs = undefined;
     }
   }
 
-  protected render(): TemplateResult {
-    if (!this.hass || this._areas === undefined) {
-      return html`
-        <hass-loading-screen></hass-loading-screen>
-      `;
-    }
-    return html`
-      <hass-tabs-subpage
-        .hass=${this.hass}
-        .narrow=${this.narrow}
-        back-path="/config"
-        .route=${this.route}
-        .tabs=${configSections.integrations}
-      >
-        <ha-config-section .isWide=${this.isWide}>
-          <span slot="header">
-            ${this.hass.localize("ui.panel.config.areas.picker.header")}
-          </span>
-          <span slot="introduction">
-            ${this.hass.localize("ui.panel.config.areas.picker.introduction")}
-            <p>
-              ${this.hass.localize(
-                "ui.panel.config.areas.picker.introduction2"
-              )}
-            </p>
-            <a href="/config/integrations/dashboard">
-              ${this.hass.localize(
-                "ui.panel.config.areas.picker.integrations_page"
-              )}
-            </a>
-          </span>
-          <ha-card>
-            ${this._areas.map((entry) => {
-              return html`
-                <paper-item @click=${this._openEditEntry} .entry=${entry}>
-                  <paper-item-body>
-                    ${entry.name}
-                  </paper-item-body>
-                </paper-item>
-              `;
-            })}
-            ${this._areas.length === 0
-              ? html`
-                  <div class="empty">
-                    ${this.hass.localize("ui.panel.config.areas.no_areas")}
-                    <mwc-button @click=${this._createArea}>
-                      ${this.hass.localize("ui.panel.config.areas.create_area")}
-                    </mwc-button>
-                  </div>
-                `
-              : html``}
-          </ha-card>
-        </ha-config-section>
-      </hass-tabs-subpage>
-
-      <ha-fab
-        ?is-wide=${this.isWide}
-        ?narrow=${this.narrow}
-        icon="hass:plus"
-        title="${this.hass.localize("ui.panel.config.areas.create_area")}"
-        @click=${this._createArea}
-        class="${classMap({
-          rtl: computeRTL(this.hass),
-        })}"
-      ></ha-fab>
-    `;
-  }
-
   protected firstUpdated(changedProps) {
     super.firstUpdated(changedProps);
-    loadAreaRegistryDetailDialog();
-  }
-
-  protected updated(changedProps) {
-    super.updated(changedProps);
-    if (!this._unsubAreas) {
-      this._unsubAreas = subscribeAreaRegistry(
-        this.hass.connection,
-        (areas) => {
-          this._areas = areas;
-        }
-      );
-    }
-  }
-
-  private _createArea() {
-    this._openDialog();
-  }
-
-  private _openEditEntry(ev: MouseEvent) {
-    const entry: AreaRegistryEntry = (ev.currentTarget! as any).entry;
-    this._openDialog(entry);
-  }
-  private _openDialog(entry?: AreaRegistryEntry) {
-    showAreaRegistryDetailDialog(this, {
-      entry,
-      createEntry: async (values) =>
-        createAreaRegistryEntry(this.hass!, values),
-      updateEntry: async (values) =>
-        updateAreaRegistryEntry(this.hass!, entry!.area_id, values),
-      removeEntry: async () => {
-        if (
-          !(await showConfirmationDialog(this, {
-            title: this.hass.localize(
-              "ui.panel.config.areas.delete.confirmation_title"
-            ),
-            text: this.hass.localize(
-              "ui.panel.config.areas.delete.confirmation_text"
-            ),
-            dismissText: this.hass.localize("ui.common.no"),
-            confirmText: this.hass.localize("ui.common.yes"),
-          }))
-        ) {
-          return false;
-        }
-
-        try {
-          await deleteAreaRegistryEntry(this.hass!, entry!.area_id);
-          return true;
-        } catch (err) {
-          return false;
-        }
-      },
+    this.addEventListener("hass-reload-entries", () => {
+      this._loadData();
     });
   }
 
-  static get styles(): CSSResult {
-    return css`
-      hass-loading-screen {
-        --app-header-background-color: var(--sidebar-background-color);
-        --app-header-text-color: var(--sidebar-text-color);
-      }
-      a {
-        color: var(--primary-color);
-      }
-      ha-card {
-        max-width: 600px;
-        margin: 16px auto;
-        overflow: hidden;
-      }
-      .empty {
-        text-align: center;
-      }
-      paper-item {
-        cursor: pointer;
-        padding-top: 4px;
-        padding-bottom: 4px;
-      }
-      ha-fab {
-        position: fixed;
-        bottom: 16px;
-        right: 16px;
-        z-index: 1;
-      }
+  protected updated(changedProps: PropertyValues) {
+    super.updated(changedProps);
+    if (!this._unsubs && changedProps.has("hass")) {
+      this._loadData();
+    }
+  }
 
-      ha-fab[is-wide] {
-        bottom: 24px;
-        right: 24px;
-      }
-      ha-fab[narrow] {
-        bottom: 84px;
-      }
-      ha-fab.rtl {
-        right: auto;
-        left: 16px;
-      }
+  protected updatePageEl(pageEl) {
+    pageEl.hass = this.hass;
 
-      ha-fab[is-wide].rtl {
-        bottom: 24px;
-        right: auto;
-        left: 24px;
-      }
-    `;
+    if (this._currentPage === "area") {
+      pageEl.areaId = this.routeTail.path.substr(1);
+    }
+
+    pageEl.entries = this._configEntries;
+    pageEl.devices = this._deviceRegistryEntries;
+    pageEl.areas = this._areas;
+    pageEl.narrow = this.narrow;
+    pageEl.isWide = this.isWide;
+    pageEl.showAdvanced = this.showAdvanced;
+    pageEl.route = this.routeTail;
+  }
+
+  private _loadData() {
+    getConfigEntries(this.hass).then((configEntries) => {
+      this._configEntries = configEntries.sort((conf1, conf2) =>
+        compare(conf1.title, conf2.title)
+      );
+    });
+    if (this._unsubs) {
+      return;
+    }
+    this._unsubs = [
+      subscribeAreaRegistry(this.hass.connection, (areas) => {
+        this._areas = areas;
+      }),
+      subscribeDeviceRegistry(this.hass.connection, (entries) => {
+        this._deviceRegistryEntries = entries;
+      }),
+    ];
+  }
+}
+
+declare global {
+  interface HTMLElementTagNameMap {
+    "ha-config-areas": HaConfigAreas;
   }
 }

src/panels/config/areas/show-dialog-area-registry-detail.ts

@@ -6,11 +6,11 @@ import {
 
 export interface AreaRegistryDetailDialogParams {
   entry?: AreaRegistryEntry;
-  createEntry: (values: AreaRegistryEntryMutableParams) => Promise<unknown>;
-  updateEntry: (
+  createEntry?: (values: AreaRegistryEntryMutableParams) => Promise<unknown>;
+  updateEntry?: (
     updates: Partial<AreaRegistryEntryMutableParams>
   ) => Promise<unknown>;
-  removeEntry: () => Promise<boolean>;
+  removeEntry?: () => Promise<boolean>;
 }
 
 export const loadAreaRegistryDetailDialog = () =>

src/translations/en.json

@@ -785,6 +785,10 @@
         "areas": {
           "caption": "Areas",
           "description": "Overview of all areas in your home.",
+          "data_table": {
+            "area": "Area",
+            "devices": "Devices"
+          },
           "picker": {
             "header": "Areas",
             "introduction": "Areas are used to organize where devices are. This information will be used throughout Home Assistant to help you in organizing your interface, permissions and integrations with other systems.",
@@ -1442,6 +1446,7 @@
           "unknown_error": "Unknown error",
           "name": "Name",
           "update": "Update",
+          "no_devices": "No devices",
           "automation": {
             "automations": "Automations",
             "no_automations": "No automations",