Add switch bar (#14429)

* Add basic swich support

* Add color and reversed state

* Fix slotted icon

* Update gallery/src/pages/components/ha-bar-switch.ts

Co-authored-by: Bram Kragten <mail@bramkragten.nl>

Co-authored-by: Bram Kragten <mail@bramkragten.nl>

gallery/src/pages/components/ha-bar-switch.markdown

@@ -0,0 +1,3 @@
+---
+title: Bar Switches
+---

gallery/src/pages/components/ha-bar-switch.ts

@@ -0,0 +1,145 @@
+import {
+  mdiGarage,
+  mdiGarageOpen,
+  mdiLightbulb,
+  mdiLightbulbOff,
+} from "@mdi/js";
+import { css, html, LitElement, TemplateResult } from "lit";
+import { customElement, state } from "lit/decorators";
+import { ifDefined } from "lit/directives/if-defined";
+import { repeat } from "lit/directives/repeat";
+import "../../../../src/components/ha-bar-switch";
+import "../../../../src/components/ha-card";
+
+const switches: {
+  id: string;
+  label: string;
+  class?: string;
+  reversed?: boolean;
+  disabled?: boolean;
+}[] = [
+  {
+    id: "switch",
+    label: "Switch",
+  },
+  {
+    id: "switch-reversed",
+    label: "Switch Reversed",
+    reversed: true,
+  },
+  {
+    id: "switch-custom",
+    label: "Switch and custom style",
+    class: "custom",
+  },
+  {
+    id: "switch-disabled",
+    label: "Disabled Switch",
+    disabled: true,
+  },
+];
+
+@customElement("demo-components-ha-bar-switch")
+export class DemoHaBarSwitch extends LitElement {
+  @state() private checked = false;
+
+  handleValueChanged(e: any) {
+    this.checked = e.target.checked as boolean;
+  }
+
+  protected render(): TemplateResult {
+    return html`
+      ${repeat(switches, (sw) => {
+        const { id, label, ...config } = sw;
+        return html`
+          <ha-card>
+            <div class="card-content">
+              <label id=${id}>${label}</label>
+              <pre>Config: ${JSON.stringify(config)}</pre>
+              <ha-bar-switch
+                .checked=${this.checked}
+                class=${ifDefined(config.class)}
+                @change=${this.handleValueChanged}
+                .pathOn=${mdiLightbulb}
+                .pathOff=${mdiLightbulbOff}
+                aria-labelledby=${id}
+                disabled=${ifDefined(config.disabled)}
+                reversed=${ifDefined(config.reversed)}
+              >
+              </ha-bar-switch>
+            </div>
+          </ha-card>
+        `;
+      })}
+      <ha-card>
+        <div class="card-content">
+          <p class="title"><b>Vertical</b></p>
+          <div class="vertical-switches">
+            ${repeat(switches, (sw) => {
+              const { id, label, ...config } = sw;
+              return html`
+                <ha-bar-switch
+                  .checked=${this.checked}
+                  vertical
+                  class=${ifDefined(config.class)}
+                  @change=${this.handleValueChanged}
+                  aria-label=${label}
+                  .pathOn=${mdiGarageOpen}
+                  .pathOff=${mdiGarage}
+                  disabled=${ifDefined(config.disabled)}
+                  reversed=${ifDefined(config.reversed)}
+                >
+                </ha-bar-switch>
+              `;
+            })}
+          </div>
+        </div>
+      </ha-card>
+    `;
+  }
+
+  static get styles() {
+    return css`
+      ha-card {
+        max-width: 600px;
+        margin: 24px auto;
+      }
+      pre {
+        margin-top: 0;
+        margin-bottom: 8px;
+      }
+      p {
+        margin: 0;
+      }
+      label {
+        font-weight: 600;
+      }
+      .custom {
+        --switch-bar-color-on: var(--rgb-green-color);
+        --switch-bar-color-off: var(--rgb-red-color);
+        --switch-bar-thickness: 100px;
+        --switch-bar-border-radius: 24px;
+        --switch-bar-padding: 6px;
+        --mdc-icon-size: 24px;
+      }
+      .vertical-switches {
+        height: 300px;
+        display: flex;
+        flex-direction: row;
+        justify-content: space-between;
+      }
+      p.title {
+        margin-bottom: 12px;
+      }
+      .vertical-switches > *:not(:last-child) {
+        margin-right: 4px;
+      }
+    `;
+  }
+}
+
+declare global {
+  interface HTMLElementTagNameMap {
+    "demo-components-ha-bar-switch": DemoHaBarSwitch;
+  }
+}