Allow energy dashboard to be cast (#15397)

cast/src/receiver/layout/hc-main.ts

@@ -252,6 +252,22 @@ export class HcMain extends HassElement {
       msg.urlPath = null;
     }
     this._lovelacePath = msg.viewPath;
+    if (msg.urlPath === "energy") {
+      this._lovelaceConfig = {
+        views: [
+          {
+            strategy: {
+              type: "energy",
+              options: { show_date_selection: true },
+            },
+          },
+        ],
+      };
+      this._urlPath = "energy";
+      this._lovelacePath = 0;
+      this._sendStatus();
+      return;
+    }
     if (!this._unsubLovelace || this._urlPath !== msg.urlPath) {
       this._urlPath = msg.urlPath;
       this._lovelaceConfig = undefined;

src/panels/energy/ha-panel-energy.ts

@@ -18,7 +18,7 @@ import "../lovelace/components/hui-energy-period-selector";
 import { Lovelace } from "../lovelace/types";
 import "../lovelace/views/hui-view";
 
-const LOVELACE_CONFIG: LovelaceConfig = {
+const ENERGY_LOVELACE_CONFIG: LovelaceConfig = {
   views: [
     {
       strategy: {
@@ -93,8 +93,8 @@ class PanelEnergy extends LitElement {
 
   private _setLovelace() {
     this._lovelace = {
-      config: LOVELACE_CONFIG,
-      rawConfig: LOVELACE_CONFIG,
+      config: ENERGY_LOVELACE_CONFIG,
+      rawConfig: ENERGY_LOVELACE_CONFIG,
       editMode: false,
       urlPath: "energy",
       mode: "generated",

src/panels/energy/strategies/energy-strategy.ts

@@ -56,7 +56,7 @@ export class EnergyStrategy {
       (source) => source.type === "water"
     );
 
-    if (info.narrow) {
+    if (info.narrow || info.view.strategy?.options?.show_date_selection) {
       view.cards!.push({
         type: "energy-date-selection",
         collection_key: "energy_dashboard",

src/panels/lovelace/cards/energy/hui-energy-distribution-card.ts

@@ -884,6 +884,11 @@ class HuiEnergyDistrubutionCard
       color: var(--secondary-text-color);
       font-size: 12px;
       opacity: 1;
+      height: 20px;
+      overflow: hidden;
+      text-overflow: ellipsis;
+      max-width: 80px;
+      white-space: nowrap;
     }
     line,
     path {

src/panels/lovelace/editor/config-elements/hui-entities-card-editor.ts

@@ -62,7 +62,7 @@ const buttonEntitiesRowConfigStruct = object({
 
 const castEntitiesRowConfigStruct = object({
   type: literal("cast"),
-  view: union([string(), number()]),
+  view: optional(union([string(), number()])),
   dashboard: optional(string()),
   name: optional(string()),
   icon: optional(string()),

src/panels/lovelace/entity-rows/types.ts

@@ -55,7 +55,7 @@ export interface CastConfig {
   type: "cast";
   icon?: string;
   name?: string;
-  view: string | number;
+  view?: string | number;
   dashboard?: string;
   // Hide the row if either unsupported browser or no API available.
   hide_if_unavailable?: boolean;

src/panels/lovelace/special-rows/hui-cast-row.ts

@@ -29,13 +29,10 @@ class HuiCastRow extends LitElement implements LovelaceRow {
   @state() private _noHTTPS = false;
 
   public setConfig(config: CastConfig): void {
-    if (!config || config.view === undefined || config.view === null) {
-      throw new Error("View required");
-    }
-
     this._config = {
-      icon: "hass:television",
+      icon: "mdi:television",
       name: "Home Assistant Cast",
+      view: 0,
       ...config,
     };
   }
@@ -123,7 +120,7 @@ class HuiCastRow extends LitElement implements LovelaceRow {
     castSendShowLovelaceView(
       this._castManager!,
       this.hass.auth.data.hassUrl,
-      this._config!.view,
+      this._config!.view!,
       this._config!.dashboard
     );
   }