leaflet: show/hide commands demo

This demonstrates the use of show and hide
functionality via Show/Hide_Button and
Show/Hide_Menu_Item postMessage events.

Save and Print buttons and menu items are
controlled in the demo.

Change-Id: I81dfea816765da50a1c20699b460765ae35f60a6
Reviewed-on: https://gerrit.libreoffice.org/74130


Reviewed-by: Andras Timar <andras.timar@collabora.com>
Tested-by: Andras Timar <andras.timar@collabora.com>
(cherry picked from commit 89ae4278)
Reviewed-on: https://gerrit.libreoffice.org/82704


Tested-by: Jenkins CollaboraOffice <jenkinscollaboraoffice@gmail.com>
Reviewed-by: Jan Holesovsky <kendy@collabora.com>

loleaflet/html/framed.doc.html

@@ -46,6 +46,30 @@
                                      '*');
       }
 
+      function save() {
+        post({'MessageId': 'Action_Save',
+              'Values': { 'Notify': true, }
+            });
+      }
+
+      function hide_commands(id) {
+        post({'MessageId': 'Hide_Menu_Item',
+              'Values': { 'id': id, }
+            });
+        post({'MessageId': 'Hide_Button',
+              'Values': { 'id': id, }
+            });
+      }
+
+      function show_commands(id) {
+        post({'MessageId': 'Show_Menu_Item',
+              'Values': { 'id': id, }
+            });
+        post({'MessageId': 'Show_Button',
+              'Values': { 'id': id, }
+            });
+      }
+
       // This function is invoked when the iframe posts a message back.
 
       function receiveMessage(event) {
@@ -72,7 +96,12 @@
     </form>
 
     <form id="insert-text-form">
-      Click <button onclick="capitalize(); return false;">here</button> to capitalize selected text in the document:
+      Click <button onclick="capitalize(); return false;">here</button> to capitalize selected text in the document.</br></br>
+      <button onclick="save(); return false;">Save</button></br></br>
+      <button onclick="hide_commands('save'); return false;">Hide Save Commands</button>
+      <button onclick="show_commands('save'); return false;">Show Save Commands</button></br>
+      <button onclick="hide_commands('print'); return false;">Hide Print Commands</button>
+      <button onclick="show_commands('print'); return false;">Show Print Commands</button></br></br>
     </form>
 
     <!-- The hostname and pathnames below are obviously specific to my