Add choose selector

src/components/ha-selector/ha-selector-choose.ts

@@ -0,0 +1,198 @@
+import type { PropertyValues } from "lit";
+import { css, html, LitElement, nothing } from "lit";
+import { customElement, property, state } from "lit/decorators";
+import memoizeOne from "memoize-one";
+import { fireEvent } from "../../common/dom/fire_event";
+import type { ChooseSelector, Selector } from "../../data/selector";
+import type { HomeAssistant } from "../../types";
+import "./ha-selector";
+import { isTemplate } from "../../common/string/has-template";
+
+@customElement("ha-selector-choose")
+export class HaChooseSelector extends LitElement {
+  @property({ attribute: false }) public hass!: HomeAssistant;
+
+  @property({ attribute: false }) public selector!: ChooseSelector;
+
+  @property() public value?: any;
+
+  @property() public label?: string;
+
+  @property() public helper?: string;
+
+  @property({ type: Boolean }) public disabled = false;
+
+  @property({ type: Boolean }) public required = true;
+
+  @state() public _activeChoice?: string;
+
+  protected willUpdate(changedProperties: PropertyValues): void {
+    if (
+      changedProperties.has("selector") &&
+      (!this._activeChoice ||
+        !(this._activeChoice in this.selector.choose.choices))
+    ) {
+      this._setActiveChoice();
+    }
+  }
+
+  protected render() {
+    if (!this._activeChoice) {
+      return nothing;
+    }
+
+    const selector = this._selector(this._activeChoice);
+    const value = this._value(this._activeChoice);
+
+    return html`<div class="multi-header">
+        <span>${this.label}${this.required ? "*" : ""}</span>
+        <ha-button-toggle-group
+          size="small"
+          .buttons=${this._toggleButtons(
+            this.selector.choose.choices,
+            this.hass.localize
+          )}
+          .active=${this._activeChoice}
+          @value-changed=${this._choiceChanged}
+        ></ha-button-toggle-group>
+      </div>
+      <ha-selector
+        .hass=${this.hass}
+        .selector=${selector}
+        .value=${value}
+        .disabled=${this.disabled}
+        .required=${this.required}
+        @value-changed=${this._handleValueChanged}
+        .helper=${this.helper}
+      ></ha-selector>`;
+  }
+
+  private _toggleButtons = memoizeOne(
+    (
+      choices: ChooseSelector["choose"]["choices"],
+      localize: HomeAssistant["localize"]
+    ) =>
+      Object.keys(choices).map((choice) => ({
+        label: localize("") || choice,
+        value: choice,
+      }))
+  );
+
+  private _choiceChanged(ev) {
+    ev.stopPropagation();
+    const value =
+      typeof this.value === "object"
+        ? this.value
+        : {
+            [this._activeChoice!]: this.value,
+          };
+    this._activeChoice = ev.detail?.value || ev.target.value;
+    fireEvent(this, "value-changed", {
+      value: {
+        ...value,
+        active_choice: this._activeChoice,
+      },
+    });
+  }
+
+  private _handleValueChanged(ev: CustomEvent) {
+    ev.stopPropagation();
+    const value = typeof this.value === "object" ? this.value : {};
+    fireEvent(this, "value-changed", {
+      value: {
+        ...value,
+        [this._activeChoice!]: ev.detail.value,
+        active_choice: this._activeChoice,
+      },
+    });
+  }
+
+  private _selector(choice?: string): Selector {
+    const choices = this.selector.choose.choices;
+
+    choice = choice || this.value?.active_choice;
+
+    if (choice && choice in choices) {
+      return choices[choice].selector;
+    }
+
+    return choices[Object.keys(choices)[0]].selector;
+  }
+
+  private _value(choice?: string): any {
+    if (!this.value) {
+      return undefined;
+    }
+    return typeof this.value === "object"
+      ? this.value[choice || this.value.active_choice]
+      : this.value;
+  }
+
+  private _setActiveChoice() {
+    if (this.value) {
+      if (typeof this.value === "object") {
+        if (this.value.active_choice in this.selector.choose.choices) {
+          this._activeChoice = this.value.active_choice;
+          return;
+        }
+      } else {
+        const typeofValue = typeof this.value;
+        const selectorTypes = Object.values(this.selector.choose.choices).map(
+          (choice) => Object.keys(choice.selector)[0]
+        );
+        if (typeofValue === "number" && selectorTypes.includes("number")) {
+          this._activeChoice = Object.keys(this.selector.choose.choices)[
+            selectorTypes.indexOf("number")
+          ];
+          return;
+        }
+        if (
+          typeofValue === "string" &&
+          isTemplate(this.value) &&
+          selectorTypes.includes("template")
+        ) {
+          this._activeChoice = Object.keys(this.selector.choose.choices)[
+            selectorTypes.indexOf("template")
+          ];
+          return;
+        }
+        if (
+          typeofValue === "string" &&
+          this.value.includes(".") &&
+          selectorTypes.includes("entity")
+        ) {
+          this._activeChoice = Object.keys(this.selector.choose.choices)[
+            selectorTypes.indexOf("entity")
+          ];
+          return;
+        }
+        if (typeofValue === "string" && selectorTypes.includes("text")) {
+          this._activeChoice = Object.keys(this.selector.choose.choices)[
+            selectorTypes.indexOf("text")
+          ];
+          return;
+        }
+      }
+    }
+    this._activeChoice = Object.keys(this.selector.choose.choices)[0];
+  }
+
+  static styles = css`
+    .multi-header {
+      display: flex;
+      justify-content: space-between;
+      align-items: center;
+      margin-bottom: var(--ha-space-2);
+    }
+    ha-button-toggle-group {
+      display: block;
+      justify-self: end;
+    }
+  `;
+}
+
+declare global {
+  interface HTMLElementTagNameMap {
+    "ha-selector-choose": HaChooseSelector;
+  }
+}

src/components/ha-selector/ha-selector.ts

@@ -18,6 +18,7 @@ const LOAD_ELEMENTS = {
   attribute: () => import("./ha-selector-attribute"),
   assist_pipeline: () => import("./ha-selector-assist-pipeline"),
   boolean: () => import("./ha-selector-boolean"),
+  choose: () => import("./ha-selector-choose"),
   color_rgb: () => import("./ha-selector-color-rgb"),
   condition: () => import("./ha-selector-condition"),
   config_entry: () => import("./ha-selector-config-entry"),

src/data/selector.ts

@@ -27,6 +27,7 @@ export type Selector =
   | AttributeSelector
   | BooleanSelector
   | ButtonToggleSelector
+  | ChooseSelector
   | ColorRGBSelector
   | ColorTempSelector
   | ConditionSelector
@@ -116,6 +117,12 @@ export interface ButtonToggleSelector {
   } | null;
 }
 
+export interface ChooseSelector {
+  choose: {
+    choices: Record<string, { selector: Selector }>;
+  };
+}
+
 export interface ColorRGBSelector {
   color_rgb: {} | null;
 }