Add support for menu data entry flow option

src/data/data_entry_flow.ts

@@ -28,7 +28,7 @@ export interface DataEntryFlowStepForm {
   step_id: string;
   data_schema: HaFormSchema[];
   errors: Record<string, string>;
-  description_placeholders: Record<string, string>;
+  description_placeholders?: Record<string, string>;
   last_step: boolean | null;
 }
 
@@ -49,15 +49,15 @@ export interface DataEntryFlowStepCreateEntry {
   title: string;
   result?: ConfigEntry;
   description: string;
-  description_placeholders: Record<string, string>;
+  description_placeholders?: Record<string, string>;
 }
 
 export interface DataEntryFlowStepAbort {
   type: "abort";
   flow_id: string;
   handler: string;
   reason: string;
-  description_placeholders: Record<string, string>;
+  description_placeholders?: Record<string, string>;
 }
 
 export interface DataEntryFlowStepProgress {
@@ -66,15 +66,26 @@ export interface DataEntryFlowStepProgress {
   handler: string;
   step_id: string;
   progress_action: string;
-  description_placeholders: Record<string, string>;
+  description_placeholders?: Record<string, string>;
+}
+
+export interface DataEntryFlowStepMenu {
+  type: "menu";
+  flow_id: string;
+  handler: string;
+  step_id: string;
+  /** If array, use value to lookup translations in strings.json */
+  menu_options: string[] | Record<string, string>;
+  description_placeholders?: Record<string, string>;
 }
 
 export type DataEntryFlowStep =
   | DataEntryFlowStepForm
   | DataEntryFlowStepExternal
   | DataEntryFlowStepCreateEntry
   | DataEntryFlowStepAbort
-  | DataEntryFlowStepProgress;
+  | DataEntryFlowStepProgress
+  | DataEntryFlowStepMenu;
 
 export const subscribeDataEntryFlowProgressed = (
   conn: Connection,

src/dialogs/config-flow/dialog-data-entry-flow.ts

@@ -46,6 +46,7 @@ import "./step-flow-loading";
 import "./step-flow-pick-flow";
 import "./step-flow-pick-handler";
 import "./step-flow-progress";
+import "./step-flow-menu";
 
 let instance = 0;
 
@@ -292,6 +293,14 @@ class DataEntryFlowDialog extends LitElement {
                         .hass=${this.hass}
                       ></step-flow-progress>
                     `
+                  : this._step.type === "menu"
+                  ? html`
+                      <step-flow-menu
+                        .flowConfig=${this._params.flowConfig}
+                        .step=${this._step}
+                        .hass=${this.hass}
+                      ></step-flow-menu>
+                    `
                   : this._devices === undefined || this._areas === undefined
                   ? // When it's a create entry result, we will fetch device & area registry
                     html`
@@ -421,7 +430,7 @@ class DataEntryFlowDialog extends LitElement {
           title: this.hass.localize(
             "ui.panel.config.integrations.config_flow.error"
           ),
-          text: err.message || err.body,
+          text: err?.body?.message,
         });
         return;
       } finally {

src/dialogs/config-flow/show-dialog-config-flow.ts

@@ -181,6 +181,21 @@ export const showConfigFlowDialog = (
         : "";
     },
 
+    renderMenuHeader(hass, step) {
+      return (
+        hass.localize(
+          `component.${step.handler}.config.step.${step.step_id}.title`
+        ) || hass.localize(`component.${step.handler}.title`)
+      );
+    },
+
+    renderMenuOption(hass, step, option) {
+      return hass.localize(
+        `component.${step.handler}.config.step.${step.step_id}.menu_options.${option}`,
+        step.description_placeholders
+      );
+    },
+
     renderLoadingDescription(hass, reason, handler, step) {
       if (!["loading_flow", "loading_step"].includes(reason)) {
         return "";

src/dialogs/config-flow/show-dialog-data-entry-flow.ts

@@ -7,6 +7,7 @@ import {
   DataEntryFlowStepCreateEntry,
   DataEntryFlowStepExternal,
   DataEntryFlowStepForm,
+  DataEntryFlowStepMenu,
   DataEntryFlowStepProgress,
 } from "../../data/data_entry_flow";
 import { HomeAssistant } from "../../types";
@@ -80,6 +81,14 @@ export interface FlowConfig {
     step: DataEntryFlowStepProgress
   ): TemplateResult | "";
 
+  renderMenuHeader(hass: HomeAssistant, step: DataEntryFlowStepMenu): string;
+
+  renderMenuOption(
+    hass: HomeAssistant,
+    step: DataEntryFlowStepMenu,
+    option: string
+  ): string;
+
   renderLoadingDescription(
     hass: HomeAssistant,
     loadingReason: LoadingReason,

src/dialogs/config-flow/show-dialog-options-flow.ts

@@ -134,6 +134,21 @@ export const showOptionsFlowDialog = (
           : "";
       },
 
+      renderMenuHeader(hass, step) {
+        return (
+          hass.localize(
+            `component.${step.handler}.option.step.${step.step_id}.title`
+          ) || hass.localize(`component.${step.handler}.title`)
+        );
+      },
+
+      renderMenuOption(hass, step, option) {
+        return hass.localize(
+          `component.${step.handler}.options.step.${step.step_id}.menu_options.${option}`,
+          step.description_placeholders
+        );
+      },
+
       renderLoadingDescription(hass, reason) {
         return (
           hass.localize(`component.${configEntry.domain}.options.loading`) ||

src/dialogs/config-flow/step-flow-menu.ts

@@ -0,0 +1,80 @@
+import "@material/mwc-list/mwc-list-item";
+import { css, html, LitElement, TemplateResult } from "lit";
+import { customElement, property } from "lit/decorators";
+import type { DataEntryFlowStepMenu } from "../../data/data_entry_flow";
+import type { HomeAssistant } from "../../types";
+import type { FlowConfig } from "./show-dialog-data-entry-flow";
+import "../../components/ha-icon-next";
+import { configFlowContentStyles } from "./styles";
+import { fireEvent } from "../../common/dom/fire_event";
+
+@customElement("step-flow-menu")
+class StepFlowMenu extends LitElement {
+  @property({ attribute: false }) public flowConfig!: FlowConfig;
+
+  @property({ attribute: false }) public hass!: HomeAssistant;
+
+  @property({ attribute: false }) public step!: DataEntryFlowStepMenu;
+
+  protected render(): TemplateResult {
+    let options: string[];
+    let translations: Record<string, string>;
+
+    if (Array.isArray(this.step.menu_options)) {
+      options = this.step.menu_options;
+      translations = {};
+      for (const option of options) {
+        translations[option] = this.flowConfig.renderMenuOption(
+          this.hass,
+          this.step,
+          option
+        );
+      }
+    } else {
+      options = Object.keys(this.step.menu_options);
+      translations = this.step.menu_options;
+    }
+
+    return html`
+      <h2>${this.flowConfig.renderMenuHeader(this.hass, this.step)}</h2>
+      <div class="options">
+        ${options.map(
+          (option) => html`
+            <mwc-list-item hasMeta .step=${option} @click=${this._handleStep}>
+              <span>${translations[option]}</span>
+              <ha-icon-next slot="meta"></ha-icon-next>
+            </mwc-list-item>
+          `
+        )}
+      </div>
+    `;
+  }
+
+  private _handleStep(ev) {
+    fireEvent(this, "flow-update", {
+      stepPromise: this.flowConfig.handleFlowStep(
+        this.hass,
+        this.step.flow_id,
+        {
+          next_step_id: ev.currentTarget.step,
+        }
+      ),
+    });
+  }
+
+  static styles = [
+    configFlowContentStyles,
+    css`
+      .options {
+        margin-top: 20px;
+        margin-bottom: 8px;
+      }
+    `,
+  ];
+}
+
+declare global {
+  interface HTMLElementTagNameMap {
+    "step-flow-menu": StepFlowMenu;
+  }
+}