Property Editors: Hide "add button" when maximum configuration is 1 (fixes #20407) (#20738)

Hide add button when max 1

Co-authored-by: Lan Nguyen Thuy <lnt@umbraco.dk>

src/Umbraco.Web.UI.Client/src/packages/block/block-grid/components/block-grid-entries/block-grid-entries.element.ts

@@ -198,6 +198,9 @@ export class UmbBlockGridEntriesElement extends UmbFormControlMixin(UmbLitElemen
 	@state()
 	private _isReadOnly: boolean = false;
 
+	@state()
+	private _limitMax?: number;
+
 	constructor() {
 		super();
 
@@ -294,6 +297,7 @@ export class UmbBlockGridEntriesElement extends UmbFormControlMixin(UmbLitElemen
 	}
 
 	async #setupRangeValidation(rangeLimit: UmbNumberRangeValueType | undefined) {
+		this._limitMax = rangeLimit?.max;
 		if (this.#rangeUnderflowValidator) {
 			this.removeValidator(this.#rangeUnderflowValidator);
 			this.#rangeUnderflowValidator = undefined;
@@ -408,6 +412,7 @@ export class UmbBlockGridEntriesElement extends UmbFormControlMixin(UmbLitElemen
 	}
 
 	#renderCreateButtonGroup() {
+		if (this._limitMax === 1 && this._layoutEntries.length > 0) return nothing;
 		if (this._areaKey === null || this._layoutEntries.length === 0) {
 			return html` <uui-button-group id="createButton">
 				${this.#renderCreateButton()} ${this.#renderPasteButton()}

src/Umbraco.Web.UI.Client/src/packages/block/block-list/property-editors/block-list-editor/property-editor-ui-block-list.element.ts

@@ -394,11 +394,8 @@ export class UmbPropertyEditorUIBlockListElement
 	}
 
 	#renderCreateButtonGroup() {
-		if (this.readonly && this._layouts.length > 0) {
+		if (this._layouts.length > 0 && (this._limitMax === 1 || this.readonly)) return nothing;
-			return nothing;
+		return html`<uui-button-group>${this.#renderCreateButton()}${this.#renderPasteButton()}</uui-button-group>`;
-		} else {
-			return html`<uui-button-group>${this.#renderCreateButton()}${this.#renderPasteButton()}</uui-button-group>`;
-		}
 	}
 
 	#renderInlineCreateButton(index: number) {

src/Umbraco.Web.UI.Client/src/packages/core/components/multiple-text-string-input/input-multiple-text-string.element.ts

@@ -221,6 +221,7 @@ export class UmbInputMultipleTextStringElement extends UmbFormControlMixin<undef
 
 	#renderAddButton() {
 		if (this.disabled || this.readonly) return nothing;
+		if (this.max === 1 && this._items.length > 0) return nothing;
 		return html`
 			<uui-button
 				color="default"

src/Umbraco.Web.UI.Client/src/packages/documents/documents/components/input-document/input-document.element.ts

@@ -214,7 +214,7 @@ export class UmbInputDocumentElement extends UmbFormControlMixin<string | undefi
 	}
 
 	#renderAddButton() {
-		if (this.selection.length >= this.max) return nothing;
+		if (this.selection.length > 0 && this.max === 1) return nothing;
 		if (this.readonly && this.selection.length > 0) {
 			return nothing;
 		} else {

src/Umbraco.Web.UI.Client/src/packages/media/media/components/input-rich-media/input-rich-media.element.ts

@@ -388,6 +388,7 @@ export class UmbInputRichMediaElement extends UmbFormControlMixin<
 
 	#renderAddButton() {
 		if (this.readonly) return nothing;
+		if (this.max === 1 && this._cards.length > 0) return nothing;
 		return html`
 			<uui-button
 				id="btn-add"