Dev UI Fix labels not clearing out

Signed-off-by: Phillip Kruger <[email protected]>
(cherry picked from commit a6f45f3)

Author: phillip-kruger

extensions/vertx-http/dev-ui-resources/src/main/resources/dev-ui/qwc/qwc-extension-link.js

@@ -1,12 +1,12 @@
-import { LitElement, html, css} from 'lit';
+import { QwcHotReloadElement, html, css} from 'qwc-hot-reload-element';
 import { JsonRpc } from 'jsonrpc';
 import '@vaadin/icon';
 import 'qui-badge';
 
 /**
  * This component adds a custom link on the Extension card
  */
-export class QwcExtensionLink extends LitElement {
+export class QwcExtensionLink extends QwcHotReloadElement {
 
     static styles = css`
         .extensionLink {
@@ -49,9 +49,86 @@ export class QwcExtensionLink extends LitElement {
         _effectiveLabel: {state: true},
         _observer: {state: false},
     };
+  
+    _staticLabel = null;
+    _dynamicLabel = null;
+    _streamingLabel = null;
+
+    set staticLabel(val) {
+        if(!this._staticLabel || (this._staticLabel && this._staticLabel != val)){
+            let oldVal = this._staticLabel;
+            this._staticLabel = val;
+            this.requestUpdate('staticLabel', oldVal);
+            this.hotReload();
+        }
+    }
+      
+    get staticLabel() { 
+        return this._staticLabel; 
+    }
+
+    set dynamicLabel(val) {
+        if(!this._dynamicLabel || (this._dynamicLabel && this._dynamicLabel != val)){
+            let oldVal = this._dynamicLabel;
+            this._dynamicLabel = val;
+            this.requestUpdate('dynamicLabel', oldVal);
+            this.hotReload();
+        }
+    }
+      
+    get dynamicLabel() { 
+        return this._dynamicLabel; 
+    }
+    
+    set streamingLabel(val) {
+        if(!this._streamingLabel || (this._streamingLabel && this._streamingLabel != val)){
+            let oldVal = this._streamingLabel;
+            this._streamingLabel = val;
+            this.requestUpdate('streamingLabel', oldVal);
+            this.hotReload();
+        }
+    }
+      
+    get streamingLabel() { 
+        return this._streamingLabel; 
+    }
 
     connectedCallback() {
         super.connectedCallback();
+        this.hotReload();
+    }
+
+    hotReload(){
+        if(this._observer){
+            this._observer.cancel();
+        }
+        this._effectiveLabel = null;
+        if(this.streamingLabel){
+            this.jsonRpc = new JsonRpc(this);
+            this._observer = this.jsonRpc[this.streamingLabel]().onNext(jsonRpcResponse => {
+                let oldVal = this._effectiveLabel;
+                this._effectiveLabel = jsonRpcResponse.result;
+                this.requestUpdate('_effectiveLabel', oldVal);
+            });
+        }else if(this.dynamicLabel){
+            this.jsonRpc = new JsonRpc(this);
+            this.jsonRpc[this.dynamicLabel]().then(jsonRpcResponse => {
+                let oldVal = this._effectiveLabel;
+                this._effectiveLabel = jsonRpcResponse.result;
+                this.requestUpdate('_effectiveLabel', oldVal);
+            });
+        }else if(this.staticLabel){
+            let oldVal = this._effectiveLabel;
+            this._effectiveLabel = this.staticLabel;
+            this.requestUpdate('_effectiveLabel', oldVal);
+        }else{
+            let oldVal = this._effectiveLabel;
+            this._effectiveLabel = null;
+            this.requestUpdate('_effectiveLabel', oldVal);
+        }
+    }
+
+    _getEffectiveLabel(){
         if(this.streamingLabel){
             this.jsonRpc = new JsonRpc(this);
             this._observer = this.jsonRpc[this.streamingLabel]().onNext(jsonRpcResponse => {
@@ -71,28 +148,30 @@ export class QwcExtensionLink extends LitElement {
         if(this._observer){
             this._observer.cancel();
         }
-        super.disconnectedCallback()
+        super.disconnectedCallback();
     }
 
     render() {
-        let routerIgnore = false;
-        
-        let p = this.path;
-        let t = "_self";
-        if(!this.embed){
-            routerIgnore = true;
-            p = this.externalUrl;
-            t = "_blank";
+        if(this.path){
+            let routerIgnore = false;
+
+            let p = this.path;
+            let t = "_self";
+            if(!this.embed){
+                routerIgnore = true;
+                p = this.externalUrl;
+                t = "_blank";
+            }
+            return html`
+            <a class="extensionLink" href="${p}" ?router-ignore=${routerIgnore} target="${t}">
+                <span class="iconAndName">
+                    <vaadin-icon class="icon" icon="${this.iconName}"></vaadin-icon>
+                    ${this.displayName} 
+                </span>
+                ${this._renderBadge()} 
+            </a>
+            `;
         }
-        return html`
-        <a class="extensionLink" href="${p}" ?router-ignore=${routerIgnore} target="${t}">
-            <span class="iconAndName">
-                <vaadin-icon class="icon" icon="${this.iconName}"></vaadin-icon>
-                ${this.displayName} 
-            </span>
-            ${this._renderBadge()} 
-        </a>
-        `;
     }
 
     _renderBadge() {