XWIKI-12220: Adapt the breadcrumb to display the document hierarchy based on nested spaces.

* Do not display the "edit parent" functionality if the legacy parent/child mechanism is disabled

xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-skin/src/main/resources/flamingo/edit.vm

@@ -89,7 +89,7 @@
   <div id="editcolumn" class="editor editor-${editor}">
   <div class="alleditcontent">
   <div id="mainEditArea">
-  #if($editor == 'wiki' || $editor == 'wysiwyg' || $editor == 'inline')
+  #if($services.parentchild.isLegacyParentChildMechanismEnabled() && ($editor == 'wiki' || $editor == 'wysiwyg' || $editor == 'inline'))
     ## Note: the inline editor never reaches this part since it is handled separately. We add the edit parent button in editinline.vm explicitly.
     <div class='edit-meta-tools'>
       <a id='editParentTrigger' class='tool edit-parent' href='#mainEditArea' title="$services.localization.render('core.editors.content.parentField.edit.title')">[$services.localization.render('core.editors.content.parentField.edit')]</a>

xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-skin/src/main/resources/flamingo/editinline.vm

@@ -16,9 +16,11 @@ $xwiki.ssfx.use('uicomponents/widgets/fullScreen.css', true)##
 #if ($allowDocEdit)
  <form id="inline" method="post" action="$doc.getURL("preview")" class="withLock">
 #end
-## Edit parent button added here explicitly because inline mode is handled specially in edit.vm and does not behave like the other edit modes.
 <div class='edit-meta-tools'>
-  <a id='editParentTrigger' class='tool edit-parent' href='#mainEditArea' title="$services.localization.render('core.editors.content.parentField.edit.title')">[$services.localization.render('core.editors.content.parentField.edit')]</a>
+  #if($services.parentchild.isLegacyParentChildMechanismEnabled())
+    ## Edit parent button added here explicitly because inline mode is handled specially in edit.vm and does not behave like the other edit modes.
+    <a id='editParentTrigger' class='tool edit-parent' href='#mainEditArea' title="$services.localization.render('core.editors.content.parentField.edit.title')">[$services.localization.render('core.editors.content.parentField.edit')]</a>
+  #end
 </div>
 #template("hierarchy.vm")
 <div class="row">

xwiki-platform-core/xwiki-platform-web/src/main/webapp/resources/js/xwiki/xwiki.js

@@ -1483,6 +1483,7 @@ document.observe('xwiki:dom:loaded', function() {
 /*
  * AJAX improvements for setting the document parent.
  */
+#if ($services.parentchild.isLegacyParentChildMechanismEnabled())
 document.observe('xwiki:dom:loaded', function() {
   var hierarchyElement   = $('hierarchy');
   var breadcrumbsElement = $('breadcrumbs');
@@ -1563,6 +1564,7 @@ document.observe('xwiki:dom:loaded', function() {
     })
   }
 });
+#end
 
 /*
  * JS improvement for keeping the content menu visible on the screen when scrolling down.