web: implement initial DeleteForm

Signed-off-by: Jens Langhammer <jens.langhammer@beryju.org>

web/src/elements/buttons/ActionButton.ts

@@ -15,7 +15,7 @@ export class ActionButton extends SpinnerButton {
     // eslint-disable-next-line @typescript-eslint/no-explicit-any
     apiRequest: () => Promise<any> = () => { throw new Error(); };
 
-    callAction(): void {
+    defaultCallAction(): void {
         if (this.isRunning === true) {
             return;
         }

web/src/elements/buttons/ModalButton.ts

@@ -158,6 +158,10 @@ export class ModalButton extends LitElement {
         }
     }
 
+    renderModalInner(): TemplateResult {
+        return html`${unsafeHTML(this.modal)}`;
+    }
+
     renderModal(): TemplateResult {
         return html`<div class="pf-c-backdrop">
             <div class="pf-l-bullseye">
@@ -176,7 +180,7 @@ export class ModalButton extends LitElement {
                     >
                         <i class="fas fa-times" aria-hidden="true"></i>
                     </button>
-                    ${unsafeHTML(this.modal)}
+                    ${this.renderModalInner()}
                 </div>
             </div>
         </div>`;

web/src/elements/buttons/SpinnerButton.ts

@@ -13,6 +13,9 @@ export class SpinnerButton extends LitElement {
     @property()
     form?: string;
 
+    @property()
+    callAction: () => void = this.defaultCallAction;
+
     static get styles(): CSSResult[] {
         return [
             PFBase,
@@ -49,7 +52,7 @@ export class SpinnerButton extends LitElement {
         }, 1000);
     }
 
-    callAction(): void {
+    defaultCallAction(): void {
         if (this.isRunning === true) {
             return;
         }