Add ha-bar to gallery (#10242)

gallery/src/demos/demo-ha-bar.ts

@@ -0,0 +1,85 @@
+import { html, css, LitElement, TemplateResult } from "lit";
+import { customElement } from "lit/decorators";
+import { classMap } from "lit/directives/class-map";
+import "../../../src/components/ha-bar";
+import "../../../src/components/ha-card";
+
+const bars: {
+  min?: number;
+  max?: number;
+  value: number;
+  warning?: number;
+  error?: number;
+}[] = [
+  {
+    value: 33,
+  },
+  {
+    value: 150,
+  },
+  {
+    min: -10,
+    value: 0,
+  },
+  {
+    value: 80,
+  },
+  {
+    value: 200,
+    max: 13,
+  },
+  {
+    value: 4,
+    min: 13,
+  },
+];
+
+@customElement("demo-ha-bar")
+export class DemoHaBar extends LitElement {
+  protected render(): TemplateResult {
+    return html`
+      ${bars
+        .map((bar) => ({ min: 0, max: 100, warning: 70, error: 90, ...bar }))
+        .map(
+          (bar) => html`
+            <ha-card>
+              <div class="card-content">
+                <pre>Config: ${JSON.stringify(bar)}</pre>
+                <ha-bar
+                  class=${classMap({
+                    warning: bar.value > bar.warning,
+                    error: bar.value > bar.error,
+                  })}
+                  .min=${bar.min}
+                  .max=${bar.max}
+                  .value=${bar.value}
+                >
+                </ha-bar>
+              </div>
+            </ha-card>
+          `
+        )}
+    `;
+  }
+
+  static get styles() {
+    return css`
+      ha-card {
+        max-width: 600px;
+        margin: 24px auto;
+      }
+      .warning {
+        --ha-bar-primary-color: var(--warning-color);
+      }
+      .error {
+        --ha-bar-primary-color: var(--error-color);
+      }
+    `;
+  }
+}
+
+declare global {
+  interface HTMLElementTagNameMap {
+    "demo-ha-bar": DemoHaBar;
+  }
+}