feat: add rename when clicking on selected label page

app/client/ui2018/pages.ts

@@ -17,6 +17,11 @@ export interface PageActions {
   isReadonly: Observable<boolean>;
 }
 
+function isTargetSelected(target: HTMLElement) {
+  const parentItemHeader = target.closest('.' + itemHeader.className);
+  return parentItemHeader ? parentItemHeader.classList.contains('selected') : false;
+}
+
 // build the dom for a document page entry. It shows an icon (for now the first letter of the name,
 // but later we'll support user selected icon), the name and a dots menu containing a "Rename" and
 // "Remove" entries. Clicking "Rename" turns the page name into an editable input, which then call
@@ -69,7 +74,11 @@ export function buildPageDom(name: Observable<string>, actions: PageActions, ...
           ) :
           cssPageItem(
             cssPageInitial(dom.text((use) => Array.from(use(name))[0])),
-            cssPageName(dom.text(name), testId('label')),
+            cssPageName(
+              dom.text(name),
+              testId('label'),
+              dom.on('click', (ev) => isTargetSelected(ev.target as HTMLElement) && isRenaming.set(true)),
+            ),
             cssPageMenuTrigger(
               cssPageIcon('Dots'),
               menu(pageMenu, {placement: 'bottom-start', parentSelectorToMark: '.' + itemHeader.className}),