From 976c74b8dad79eaa3cb27e1bd5475bf4229c157f Mon Sep 17 00:00:00 2001
From: Paul Bottein <paul.bottein@gmail.com>
Date: Wed, 7 Jan 2026 15:42:47 +0100
Subject: [PATCH] Prefill the field with current value when editing a custom
 text item (#28840)

---
 .../entity/ha-entity-name-picker.ts           |  5 ++
 src/components/ha-generic-picker.ts           | 87 +++++++++++--------
 src/components/ha-picker-combo-box.ts         |  6 ++
 3 files changed, 64 insertions(+), 34 deletions(-)

diff --git a/src/components/entity/ha-entity-name-picker.ts b/src/components/entity/ha-entity-name-picker.ts
index 608752aeef..a1f4806f72 100644
--- a/src/components/entity/ha-entity-name-picker.ts
+++ b/src/components/entity/ha-entity-name-picker.ts
@@ -275,6 +275,11 @@ export class HaEntityNamePicker extends LitElement {
     this._editIndex = idx;
     await this.updateComplete;
     await this._picker?.open();
+    const value = this._items[idx];
+    // Pre-fill the field value when editing a text item
+    if (value.type === "text" && value.text) {
+      this._picker?.setFieldValue(value.text);
+    }
   }
 
   private get _items(): EntityNameItem[] {
diff --git a/src/components/ha-generic-picker.ts b/src/components/ha-generic-picker.ts
index 939f934f67..6e2aa99317 100644
--- a/src/components/ha-generic-picker.ts
+++ b/src/components/ha-generic-picker.ts
@@ -130,6 +130,15 @@ export class HaGenericPicker extends PickerMixin(LitElement) {
 
   private _unsubscribeTinyKeys?: () => void;
 
+  public setFieldValue(value: string) {
+    if (this._comboBox) {
+      this._comboBox.setFieldValue(value);
+      return;
+    }
+    // Store initial value to set when opened
+    this._initialFieldValue = value;
+  }
+
   protected render() {
     // Only show label if it's not a top label and there is a value.
     const label = this.useTopLabel && this.value ? undefined : this.label;
@@ -182,40 +191,42 @@ export class HaGenericPicker extends PickerMixin(LitElement) {
                 </ha-picker-field>`}
           </slot>
         </div>
-        ${!this._openedNarrow && (this._pickerWrapperOpen || this._opened)
-          ? html`
-              <wa-popover
-                .open=${this._pickerWrapperOpen}
-                style="--body-width: ${this._popoverWidth}px;"
-                without-arrow
-                distance="-4"
-                .placement=${this.popoverPlacement}
-                for="picker"
-                auto-size="vertical"
-                auto-size-padding="16"
-                @wa-after-show=${this._dialogOpened}
-                @wa-after-hide=${this._hidePicker}
-                trap-focus
-                role="dialog"
-                aria-modal="true"
-                aria-label=${this.label || "Select option"}
-              >
-                ${this._renderComboBox()}
-              </wa-popover>
-            `
-          : this._pickerWrapperOpen || this._opened
-            ? html`<ha-bottom-sheet
-                flexcontent
-                .open=${this._pickerWrapperOpen}
-                @wa-after-show=${this._dialogOpened}
-                @closed=${this._hidePicker}
-                role="dialog"
-                aria-modal="true"
-                aria-label=${this.label || "Select option"}
-              >
-                ${this._renderComboBox(true)}
-              </ha-bottom-sheet>`
-            : nothing}
+        ${this._pickerWrapperOpen || this._opened
+          ? this._openedNarrow
+            ? html`
+                <ha-bottom-sheet
+                  flexcontent
+                  .open=${this._pickerWrapperOpen}
+                  @wa-after-show=${this._dialogOpened}
+                  @closed=${this._hidePicker}
+                  role="dialog"
+                  aria-modal="true"
+                  aria-label=${this.label || "Select option"}
+                >
+                  ${this._renderComboBox(true)}
+                </ha-bottom-sheet>
+              `
+            : html`
+                <wa-popover
+                  .open=${this._pickerWrapperOpen}
+                  style="--body-width: ${this._popoverWidth}px;"
+                  without-arrow
+                  distance="-4"
+                  .placement=${this.popoverPlacement}
+                  for="picker"
+                  auto-size="vertical"
+                  auto-size-padding="16"
+                  @wa-after-show=${this._dialogOpened}
+                  @wa-after-hide=${this._hidePicker}
+                  trap-focus
+                  role="dialog"
+                  aria-modal="true"
+                  aria-label=${this.label || "Select option"}
+                >
+                  ${this._renderComboBox()}
+                </wa-popover>
+              `
+          : nothing}
       </div>
       ${this._renderHelper()}`;
   }
@@ -283,9 +294,16 @@ export class HaGenericPicker extends PickerMixin(LitElement) {
     </ha-input-helper-text>`;
   }
 
+  private _initialFieldValue?: string;
+
   private _dialogOpened = () => {
     this._opened = true;
     requestAnimationFrame(() => {
+      // Set initial field value if needed
+      if (this._initialFieldValue) {
+        this._comboBox?.setFieldValue(this._initialFieldValue);
+        this._initialFieldValue = undefined;
+      }
       if (this.hass && isIosApp(this.hass)) {
         this.hass.auth.external!.fireMessage({
           type: "focus_element",
@@ -295,6 +313,7 @@ export class HaGenericPicker extends PickerMixin(LitElement) {
         });
         return;
       }
+
       this._comboBox?.focus();
     });
   };
diff --git a/src/components/ha-picker-combo-box.ts b/src/components/ha-picker-combo-box.ts
index 34f5101f0f..5d4dadae65 100644
--- a/src/components/ha-picker-combo-box.ts
+++ b/src/components/ha-picker-combo-box.ts
@@ -153,6 +153,12 @@ export class HaPickerComboBox extends ScrollableFadeMixin(LitElement) {
 
   @state() private _items: PickerComboBoxItem[] = [];
 
+  public setFieldValue(value: string) {
+    if (this._searchFieldElement) {
+      this._searchFieldElement.value = value;
+    }
+  }
+
   protected get scrollableElement(): HTMLElement | null {
     return this._virtualizerElement as HTMLElement | null;
   }