Fix some readonly issues where widgets were not looking readonly

- Editable tags were still editable if the select was readonly
- LinkTo could still select an app (readonly not passed on)
- Hide the dropdown for multi-select when readonly

api/js/etemplate/Et2Link/Et2LinkEntry.ts

@@ -163,7 +163,7 @@ export class Et2LinkEntry extends Et2InputWidget(FormControlMixin(SlotMixin(LitE
 		}
 		if(changedProperties.has("readonly"))
 		{
-			this._appNode.readonly = this.readonly;
+			this._appNode.readonly = this._appNode.disabled = this.readonly;
 			this._searchNode.readonly = this.readonly;
 		}
 		// Pass some properties on to app selection

api/js/etemplate/Et2Link/Et2LinkTo.ts

@@ -139,6 +139,7 @@ export class Et2LinkTo extends Et2InputWidget(ScopedElementsMixin(FormControlMix
 		return html`
             <et2-link-entry .onlyApp="${this.onlyApp}"
                             .applicationList="${this.applicationList}"
+                            .readonly=${this.readonly}
                             @sl-select=${this.handleEntrySelected}
                             @sl-clear="${this.handleEntryCleared}">
             </et2-link-entry>

api/js/etemplate/Et2Select/Et2Select.ts

@@ -94,30 +94,45 @@ export class Et2Select extends Et2WithSearchMixin(Et2WidgetWithSelect)
 
 			  /** multiple=true uses tags for each value **/
 			  /* styling for icon inside tag (not option) */
+
 			  .tag_image {
 				margin-right: var(--sl-spacing-x-small);
 			  }
+
 			  /* Maximum height + scrollbar on tags (+ other styling) */
+
 			  .select__tags {
 				margin-left: 0px;
 				max-height: initial;
 				overflow-y: auto;
 				gap: 0.1rem 0.5rem;
 			  }
+
 			  .select--medium .select__tags {
 				padding-top: 2px;
 				padding-bottom: 2px;
 			  }
+
 			  :host([rows]) .select__tags {
 				max-height: calc(var(--rows, 5) * 1.35rem);
 			  }
+
 			  /* Keep overflow tag right-aligned.  It's the only sl-tag. */
+
 			  .select__tags sl-tag {
 				margin-left: auto;
 			  }
+
 			  select:hover {
 				box-shadow: 1px 1px 1px rgb(0 0 0 / 60%);
-			}`
+			  }
+
+			  /* Hide dropdown trigger when multiple & readonly */
+
+			  :host([readonly][multiple]) .select__icon {
+				display: none;
+			  }
+			`
 		];
 	}
 

api/js/etemplate/Et2Select/SearchMixin.ts

@@ -365,9 +365,14 @@ export const Et2WithSearchMixin = <T extends Constructor<LitElement>>(superclass
 				this._addNodes();
 			}
 			// Update any tags if edit mode changes
-			if(changedProperties.has("editModeEnabled"))
+			if(changedProperties.has("editModeEnabled") || changedProperties.has("readonly"))
 			{
-				this.shadowRoot.querySelectorAll(".select__tags > *").forEach(tag => tag.editable = this.editModeEnabled);
+				// Required because we explicitly create tags instead of doing it in render()
+				this.shadowRoot.querySelectorAll(".select__tags > *").forEach((tag : Et2Tag) =>
+				{
+					tag.editable = this.editModeEnabled && !this.readonly;
+					tag.removable = !this.readonly;
+				});
 			}
 		}
 
@@ -411,7 +416,7 @@ export const Et2WithSearchMixin = <T extends Constructor<LitElement>>(superclass
 		protected _createTagNode(item)
 		{
 			let tag = <Et2Tag>document.createElement(this.tagTag);
-			tag.editable = this.editModeEnabled;
+			tag.editable = this.editModeEnabled && !this.readonly;
 
 			return tag;
 		}

api/js/etemplate/Et2Select/test/EditableTag.test.ts

@@ -28,6 +28,9 @@ async function before(editable = true)
 	sinon.stub(element, "egw").returns(window.egw);
 
 	await element.updateComplete;
+	let tags = [];
+	element.shadowRoot.querySelectorAll(element.tagTag).forEach((t : Et2Tag) => tags.push(t.updateComplete));
+	await Promise.all(tags);
 
 	return element;
 }
@@ -120,6 +123,21 @@ describe("Editable tag", () =>
 		assert.equal(element.value, "change select too", "Tag change did not cause value change in parent select (allowFreeEntries was on)");
 
 	});
+
+	it("Does not have edit button when readonly", async() =>
+	{
+		element.readonly = true;
+		await element.updateComplete;
+
+		let tag = element.shadowRoot.querySelectorAll(element.tagTag);
+		assert.isAbove(tag.length, 0, "No tags found");
+
+		let wait = [];
+		tag.forEach((t : Et2Tag) => wait.push(t.updateComplete))
+		await Promise.all(wait);
+
+		assert.isNull(tag[0].shadowRoot.querySelector("et2-button-icon[label='edit*']"), "Unexpected edit button");
+	});
 });
 describe("Select is not editable", () =>
 {
@@ -130,6 +148,8 @@ describe("Select is not editable", () =>
 	{
 		let tag = element.shadowRoot.querySelectorAll(element.tagTag);
 		assert.isAbove(tag.length, 0, "No tags found");
+
 		assert.isNull(tag[0].shadowRoot.querySelector("et2-button-icon[label='edit*']"), "Unexpected edit button");
 	});
+
 });