Customise /_layouts/15/Groups.aspx ??

Hi All,

Is there a way to modify the out-of-the-box behaviour of /_layouts/15/groups.aspx so that ONLY those groups which have permissions in thecurrent site are displayed - rather than all groups in the site collection?

I've written a custom application page to deploy my own *version* of the page to the _layouts folder with something along these lines :-

 protected void Page_Load(object sender, EventArgs e)
        {
            using (SPWeb oWebsite = SPContext.Current.Web)
            {
                spnNew.InnerHtml = "<a href=" + oWebsite.Url + "/_layouts/15/newgrp.aspx>New...</a>";
                spPeopleandGroups.InnerText = oWebsite.Title + " - People and Groups";
                lstSiteGroups.InnerHtml = "<hr>";
                lstSiteGroups.InnerHtml = lstSiteGroups.InnerHtml + "<table cellpadding=0 cellspacing=0 width=100% border=0><tr><td>Group</td><td>Edit</td><td>About Me</td></tr>";
                SPGroupCollection collGroups = oWebsite.Groups;
                foreach (SPGroup oGroup in collGroups)
                {
                    lstSiteGroups.InnerHtml = lstSiteGroups.InnerHtml + "<tr><td><a href=" + oWebsite.Url + "/_layouts/userdisp.aspx?ID=" + oGroup.ID + ">" + SPEncode.HtmlEncode(oGroup.Name) + "</a></td><td><a href=" + oWebsite.Url + "/_layouts/useredit.aspx?ID=" + oGroup.ID + "><img border=0 src=/_layouts/15/images/edititem.gif?rev=23></a></td><td>" + SPEncode.HtmlEncode(oGroup.Description) + "</td></tr>";
                }
                lstSiteGroups.InnerHtml = lstSiteGroups.InnerHtml + "</table>";
            }
        }

where lstSiteGroups / spnNew and spPeopleandGroups are runat server span tags ..... but clearly, this seems like overkill for what should be simple behaviour....

Also - because the links to the edit and view groups in my code take the user to the default pages - we then lose track of my custom page.

Can the groups.aspx page be limited to just displaying those in spcontext.current.web.Groups ??

Thanks

Steve