From 0d6db8b834208e64f59943920602b3544dcbf958 Mon Sep 17 00:00:00 2001
From: karwosts <32912880+karwosts@users.noreply.github.com>
Date: Wed, 16 Jul 2025 23:01:42 -0700
Subject: [PATCH] Show picture-elements error messages for elements (#26196)

---
 src/panels/lovelace/cards/hui-picture-elements-card.ts | 9 +++++++++
 src/panels/lovelace/cards/types.ts                     | 1 +
 src/panels/lovelace/elements/types.ts                  | 1 +
 3 files changed, 11 insertions(+)

diff --git a/src/panels/lovelace/cards/hui-picture-elements-card.ts b/src/panels/lovelace/cards/hui-picture-elements-card.ts
index cea7d6824c..6b63b612e7 100644
--- a/src/panels/lovelace/cards/hui-picture-elements-card.ts
+++ b/src/panels/lovelace/cards/hui-picture-elements-card.ts
@@ -23,6 +23,8 @@ class HuiPictureElementsCard extends LitElement implements LovelaceCard {
 
   @property({ attribute: false }) public hass?: HomeAssistant;
 
+  @property({ type: Boolean }) public preview = false;
+
   @state() private _elements?: LovelaceElement[];
 
   public static getStubConfig(
@@ -98,6 +100,12 @@ class HuiPictureElementsCard extends LitElement implements LovelaceCard {
       }
     }
 
+    if (this._elements && changedProps.has("preview")) {
+      for (const element of this._elements) {
+        element.preview = this.preview;
+      }
+    }
+
     const oldHass = changedProps.get("hass") as HomeAssistant | undefined;
     const oldConfig = changedProps.get("_config") as
       | PictureElementsCardConfig
@@ -180,6 +188,7 @@ class HuiPictureElementsCard extends LitElement implements LovelaceCard {
     if (this.hass) {
       element.hass = this.hass;
     }
+    element.preview = this.preview;
     element.addEventListener(
       "ll-rebuild",
       (ev) => {
diff --git a/src/panels/lovelace/cards/types.ts b/src/panels/lovelace/cards/types.ts
index 0902cf853e..53f65f86e4 100644
--- a/src/panels/lovelace/cards/types.ts
+++ b/src/panels/lovelace/cards/types.ts
@@ -228,6 +228,7 @@ export interface EntityFilterCardConfig extends LovelaceCardConfig {
 
 export interface ErrorCardConfig extends LovelaceCardConfig {
   error?: string;
+  message?: string;
   origConfig?: LovelaceCardConfig;
   severity?: "warning" | "error";
 }
diff --git a/src/panels/lovelace/elements/types.ts b/src/panels/lovelace/elements/types.ts
index 5ca44d5027..09774fa88c 100644
--- a/src/panels/lovelace/elements/types.ts
+++ b/src/panels/lovelace/elements/types.ts
@@ -20,6 +20,7 @@ export type LovelaceElementConfig =
 
 export interface LovelaceElement extends HTMLElement {
   hass?: HomeAssistant;
+  preview?: boolean;
   setConfig(config: LovelaceElementConfig): void;
 }