The Short answer is, "Site contents" in the gear icon is not editable with CustomActions... or at least I never figured it out. In order to solve the problem I used jQuery and, the slightly obscure, "AdditionalPageHead" DelegateControl.
My users really like the 2010 version of the "Site content" page and really, really hate the 2013 version. So, I just copied "viewlsts.aspx" from "C:\Program Files\Common Files\Microsoft Shared\Web Server Extensions\14\template\layouts" on a 2010 Server.
Below is a picture of my solution and the important code.
Add_to_Delagate\Elements.xml:
("AdditionalPageHead" is the Delegate I am targeting.)
<?xml version="1.0" encoding="utf-8"?>
<Elements xmlns="http://schemas.microsoft.com/sharepoint/">
<Control Id="AdditionalPageHead"
Sequence="90"
ControlSrc="~/_CONTROLTEMPLATES/SiteContentFixer/SiteContentFixer_jQuery.ascx" />
</Elements>
Scripts\Elements.xml:
('Url="Scripts"' is where the library is set; I am expecting a library named "Scripts" at the root site of every Site Collection.)
<?xml version="1.0" encoding="utf-8"?> <Elements xmlns="http://schemas.microsoft.com/sharepoint/"> <Module Name="Scripts" Url="Scripts">
<File Path="Scripts\SiteContentFixer.js" Url="SiteContentFixer.js" Type="GhostableInLibrary"/> </Module> </Elements>
SiteContentFixer.js:
var Atec = Atec || {};
Atec.SiteContentFixer = function() {
'use strict';
var context;
var web;
function init() {
context = SP.ClientContext.get_current();
web = context.get_web();
context.load(web);
context.executeQueryAsync(onSuccess, onFail);
}
function onSuccess() {
$("[id*='MenuItem_ViewAllSiteContents']").attr("onmenuclick", "STSNavigate2(event,'" + web.get_url() + "/_layouts/SiteContentFixer/viewlsts.aspx');");
}
function onFail(){
}
return{
load: function () {
/* On some Pages SP.SOD happens before SharePoint has loaded and sometimes it happens after
If before, then _spBodyOnLoadFunctionNames waits until SharePoint loads and init is called while there is nothing to change.
If after, then _spBodyOnLoadFunctionNames does nothing because it's the point where the pushed functions are called. However, init has a target now.
*/
_spBodyOnLoadFunctionNames.push("Atec.SiteContentFixer.start");
init();
}
,
start: function(){
init();
}
}
}();
SP.SOD.executeFunc('sp.js', 'SP.ClientContext', Atec.SiteContentFixer.load);
SiteContentFixer_jQuery.ascx:
<%@ Assembly Name="$SharePoint.Project.AssemblyFullName$" %> <%@ Assembly Name="Microsoft.Web.CommandUI, Version=15.0.0.0, Culture=neutral, PublicKeyToken=71e9bce111e9429c" %> <%@ Register Tagprefix="SharePoint" Namespace="Microsoft.SharePoint.WebControls" Assembly="Microsoft.SharePoint, Version=15.0.0.0, Culture=neutral, PublicKeyToken=71e9bce111e9429c" %> <%@ Register Tagprefix="Utilities" Namespace="Microsoft.SharePoint.Utilities" Assembly="Microsoft.SharePoint, Version=15.0.0.0, Culture=neutral, PublicKeyToken=71e9bce111e9429c" %> <%@ Register Tagprefix="asp" Namespace="System.Web.UI" Assembly="System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" %> <%@ Import Namespace="Microsoft.SharePoint" %> <%@ Register Tagprefix="WebPartPages" Namespace="Microsoft.SharePoint.WebPartPages" Assembly="Microsoft.SharePoint, Version=15.0.0.0, Culture=neutral, PublicKeyToken=71e9bce111e9429c" %> <%@ Control Language="C#" AutoEventWireup="true" CodeBehind="SiteContentFixer_jQuery.ascx.cs" Inherits="SiteContentFixer.ControlTemplates.SiteContentFixer.SiteContentFixer_jQuery" %>
<script type="text/javascript"
src="<%=SPContext.Current.Site.ServerRelativeUrl %>/Scripts/SiteContentFixer.js" />
viewlsts.aspx:
(This is the 2010 version of the file.)
<%@ Assembly Name="Microsoft.SharePoint.ApplicationPages, Version=14.0.0.0, Culture=neutral, PublicKeyToken=71e9bce111e9429c"%> <%@ Page Language="C#" DynamicMasterPageFile="~masterurl/default.master" Inherits="Microsoft.SharePoint.ApplicationPages.ViewListsPage" EnableViewState="false" %> <%@ Import Namespace="Microsoft.SharePoint.ApplicationPages" %> <%@ Register Tagprefix="SharePoint" Namespace="Microsoft.SharePoint.WebControls" Assembly="Microsoft.SharePoint, Version=14.0.0.0, Culture=neutral, PublicKeyToken=71e9bce111e9429c" %> <%@ Register Tagprefix="Utilities" Namespace="Microsoft.SharePoint.Utilities" Assembly="Microsoft.SharePoint, Version=14.0.0.0, Culture=neutral, PublicKeyToken=71e9bce111e9429c" %> <%@ Import Namespace="Microsoft.SharePoint" %> <%@ Assembly Name="Microsoft.Web.CommandUI, Version=14.0.0.0, Culture=neutral, PublicKeyToken=71e9bce111e9429c" %>
<%@ Register TagPrefix="wssuc" TagName="TopNavBar" src="~/_controltemplates/TopNavBar.ascx" %>
<%@ Register TagPrefix="wssuc" TagName="ToolBar" src="~/_controltemplates/ToolBar.ascx" %>
<%@ Register TagPrefix="wssuc" TagName="ToolBarButton" src="~/_controltemplates/ToolBarButton.ascx" %>
<%@ Register TagPrefix="wssuc" TagName="ViewHeader" src="~/_controltemplates/ViewHeader.ascx" %>
<%@ Register Tagprefix="wssawc" Namespace="Microsoft.SharePoint.WebControls" Assembly="Microsoft.SharePoint, Version=14.0.0.0, Culture=neutral, PublicKeyToken=71e9bce111e9429c" %> <%@ Register Tagprefix="SharePoint" Namespace="Microsoft.SharePoint.WebControls" Assembly="Microsoft.SharePoint, Version=14.0.0.0, Culture=neutral, PublicKeyToken=71e9bce111e9429c" %>
<asp:Content ContentPlaceHolderId="PlaceHolderPageTitle" runat="server">
<SharePoint:EncodedLiteral runat="server" text="<%$Resources:wss,viewlsts_pagetitle_doclist%>" EncodeMethod='HtmlEncode'/>
</asp:Content>
<asp:Content ContentPlaceHolderId="PlaceHolderPageTitleInTitleArea" runat="server">
<SharePoint:EncodedLiteral runat="server" text="<%$Resources:wss,viewlsts_pagetitle_doclist%>" EncodeMethod='HtmlEncode'/>
</asp:Content>
<asp:Content ContentPlaceHolderId="PlaceHolderPageImage" runat="server"><SharePoint:AlphaImage src="/_layouts/images/allcontents.png" Height="54" Width="145" Alt="" runat="server"/></asp:Content>
<asp:Content ContentPlaceHolderId="PlaceHolderAdditionalPageHead" runat="server">
<script>
// <![CDATA[
var navBarHelpOverrideKey = "WSSEndUser_ListOLists";
// ]]>
</script>
</asp:Content>
<asp:Content ContentPlaceHolderId="PlaceHolderPageDescription" runat="server">
<asp:Label id="LabelPageDescription" runat="server"/>
</asp:Content>
<asp:Content ContentPlaceHolderId ="PlaceHolderTitleLeftBorder" runat="server">
<div class="ms-titleareaframe"><img src="/_layouts/images/blank.gif" width='1' height='100%' alt="" /></div>
</asp:Content>
<asp:Content ContentPlaceHolderId ="PlaceHolderTitleRightMargin" runat="server">
<div style="height:100%;" class="ms-titleareaframe"><img src="/_layouts/images/blank.gif" width='1' height='1' alt="" /></div>
</asp:Content>
<asp:Content ContentPlaceHolderId ="PlaceHolderBodyLeftBorder" runat="server">
<div style="height:100%;" class="ms-pagemargin"><img src="/_layouts/images/blank.gif" width='10' height='1' alt="" /></div>
</asp:Content>
<asp:Content ContentPlaceHolderId ="PlaceHolderBodyRightMargin" runat="server">
<div style="height:100%;" class="ms-pagemargin"><img src="/_layouts/images/blank.gif" width='10' height='1' alt="" /></div>
</asp:Content>
<asp:Content contentplaceholderid="PlaceHolderTopNavBar" runat="server">
<wssuc:TopNavBar id="IdTopNavBar" runat="server" Version="4" ShouldUseExtra="true"/>
</asp:Content>
<asp:Content contentplaceholderid="PlaceHolderHorizontalNav" runat="server"/>
<asp:Content contentplaceholderid="PlaceHolderTitleBreadcrumb" runat="server">
<SharePoint:UIVersionedContent UIVersion="3" runat="server"><ContentTemplate>
<asp:SiteMapPath
SiteMapProvider="SPXmlContentMapProvider"
id="ContentMap"
SkipLinkText=""
NodeStyle-CssClass="ms-sitemapdirectional"
RootNodeStyle-CssClass="s4-die"
PathSeparator=" > "
PathSeparatorStyle-CssClass = "s4-bcsep"
runat="server" />
</ContentTemplate></SharePoint:UIVersionedContent>
<SharePoint:UIVersionedContent UIVersion="4" runat="server"><ContentTemplate>
<SharePoint:ListSiteMapPath
runat="server"
SiteMapProviders="SPSiteMapProvider,SPXmlContentMapProvider"
RenderCurrentNodeAsLink="false"
PathSeparator=""
CssClass="s4-breadcrumb"
NodeStyle-CssClass="s4-breadcrumbNode"
CurrentNodeStyle-CssClass="s4-breadcrumbCurrentNode"
RootNodeStyle-CssClass="s4-breadcrumbRootNode"
HideInteriorRootNodes="true"
SkipLinkText="" />
</ContentTemplate></SharePoint:UIVersionedContent>
</asp:Content>
<asp:Content ContentPlaceHolderId="PlaceHolderMain" runat="server">
<wssuc:ToolBar id="ToolBar" CssClass="ms-menutoolbar" ButtonSeparator="<img src='/_layouts/images/blank.gif' />" runat="server" FocusOnToolBar = true>
<Template_Buttons>
<SharePoint:SPLinkButton runat="server" id="diidIONewList" AccessKey="<%$Resources:wss,tb_new_ak%>" ImageUrl="/_layouts/images/createcontent.gif" ShowImageAndText="true" HoverCellActiveCssClass="ms-buttonactivehover" HoverCellInActiveCssClass="ms-buttoninactivehover" />
<SharePoint:ClusteredSPLinkButton
runat="server"
id="diidIOSiteWorkflows"
ShowImageAndText="true"
CssClass="ms-wkflwbtn"
AccessKey="<%$Resources:wss,viewlsts_SiteWorkflow_ak%>"
ImageUrl="/_layouts/images/fgimg.png"
ImageWidth=16
ImageHeight=16
OffsetX=0
OffsetY=642
Text="<%$Resources:wss,siteactions_siteworkflow%>"
NavigateUrl="~site/_layouts/workflow.aspx"
PermissionsString="EditListItems, AddAndCustomizePages"
PermissionMode="Any"
HoverCellActiveCssClass="ms-buttonactivehover"
HoverCellInActiveCssClass="ms-buttoninactivehover" />
</Template_Buttons>
<Template_RightButtons>
<SharePoint:TemplateBasedControl TemplateName="AllContentViewSelector" runat="server"/>
</Template_RightButtons>
</wssuc:ToolBar>
<table cellpadding="1" style="border-collapse: collapse;" cellspacing="0" border="0" width="100%" class="ms-viewlsts">
<SharePoint:UIVersionedContent UIVersion="3" runat="server">
<ContentTemplate>
<tr>
<th scope="col" class="ms-vh2-nofilter" nowrap> </th>
<th scope="col" class="ms-vh2-nofilter" nowrap><SharePoint:EncodedLiteral runat="server" text="<%$Resources:wss,viewlsts_title%>" EncodeMethod='HtmlEncode'/></th>
<th scope="col" class="ms-vh2-nofilter" nowrap width="40%"><SharePoint:EncodedLiteral runat="server" text="<%$Resources:wss,viewlsts_desc%>" EncodeMethod='HtmlEncode'/></th>
<th scope="col" class="ms-vh2-nofilter" style="text-align: right;" nowrap width="3%"><SharePoint:EncodedLiteral runat="server" text="<%$Resources:wss,viewlsts_items%>" EncodeMethod='HtmlEncode'/></th>
<th scope="col" class="ms-vh2-nofilter" nowrap width="25%"><SharePoint:EncodedLiteral runat="server" text="<%$Resources:wss,viewlsts_lastmodified%>" EncodeMethod='HtmlEncode'/></th>
</tr>
</ContentTemplate>
</SharePoint:UIVersionedContent>
<SharePoint:UIVersionedContent UIVersion="4" runat="server">
<ContentTemplate>
<tr class="ms-vh2-nobg">
<th scope="col" class="ms-vh2-nofilter" style="white-space:nowrap;"> </th>
<th scope="col" class="ms-vh2-nofilter" style="white-space:nowrap;" title="<SharePoint:EncodedLiteral runat='server' text='<%$Resources:wss,viewlsts_title%>' EncodeMethod='HtmlEncode'/>"> </th>
<th scope="col" class="ms-vh2-nofilter" style="white-space:nowrap; width:40%;" title="<SharePoint:EncodedLiteral runat='server' text='<%$Resources:wss,viewlsts_desc%>' EncodeMethod='HtmlEncode'/>"> </th>
<th scope="col" class="ms-vh2-nofilter" style="text-align: right; white-space:nowrap; width:3%;"><SharePoint:EncodedLiteral runat="server" text="<%$Resources:wss,viewlsts_items%>" EncodeMethod='HtmlEncode'/></th>
<th scope="col" class="ms-vh2-nofilter" style="white-space:nowrap; width:25%;"><SharePoint:EncodedLiteral runat="server" text="<%$Resources:wss,viewlsts_lastmodified%>" EncodeMethod='HtmlEncode'/></th>
</tr>
</ContentTemplate>
</SharePoint:UIVersionedContent>
<%
DateTime dtCurrent = DateTime.UtcNow;
string alternatingClass = (null != SPContext.Current.Web && SPContext.Current.Web.UIVersion < 4) ? "ms-alternating" : "ms-alternatingstrong";
if (!bShowSites)
{
System.Collections.IEnumerator myRgs = rgRgs.GetEnumerator();
int j = 0;
while (myRgs.MoveNext())
{
SPBaseType currBaseType = (SPBaseType)myRgs.Current;
myRgs.MoveNext();
SPListTemplateType currListTemplate = (SPListTemplateType)myRgs.Current;
myRgs.MoveNext();
String strBaseType=(String)myRgs.Current;
myRgs.MoveNext();
String strNoBaseType=(String)myRgs.Current;
myRgs.MoveNext();
myRgs.MoveNext();
ArrayList currList = (ArrayList)myRgs.Current;
System.Collections.IEnumerator currRg = currList.GetEnumerator();
if (!bBaseTypeInited ||
(spBaseType == currBaseType && spListTemplate == currListTemplate))
{
if (j == 0)
{
%>
<tr>
<td class="ms-gb" colspan="5">
<h3 class="ms-standardheader">
  <%SPHttpUtility.HtmlEncode(strBaseType,Response.Output);%>
</h3>
</td>
</tr>
<%
j = 1;
}
else
{
%>
<tr>
<td class="ms-gb" colspan="5" style="white-space:nowrap;">
<h3 class="ms-standardheader">
  <%SPHttpUtility.HtmlEncode(strBaseType,Response.Output);%>
</h3>
</td>
</tr>
<%
}
%>
<%
if (currList.Count == 0)
{
%>
<tr><td class="ms-vb2 ms-viewlsts-noitems" colspan="6">
<%SPHttpUtility.NoEncode(strNoBaseType,Response.Output);%>
</td></tr>
<%
}
}
%>
<%
string rowClass = alternatingClass;
while (currRg.MoveNext())
{
int iList = (int)currRg.Current;
SPList spList = (iList>=spLists.Count )? spListsIssue[iList - spLists.Count ] : spLists[iList];
if (spList.Hidden)
{
continue;
}
%>
<tr class="<%=rowClass%>">
<td class="ms-vb-icon">
<%
string listViewUrl;
try
{
if (spList.BaseTemplate == SPListTemplateType.WebPageLibrary)
{
listViewUrl = GetRootFolderOfList(spList);
}
else
{
listViewUrl = spList.DefaultViewUrl;
}
}
catch
{
listViewUrl = "";
}
if (listViewUrl == "")
listViewUrl = "ListEdit.aspx?List=" + spList.ID.ToString("B").ToUpper();
%>
<a id=<%SPHttpUtility.AddQuote(SPHttpUtility.HtmlEncode("viewlist" + spList.BaseTemplate.ToString()),Response.Output);%> href=<%SPHttpUtility.AddQuote(SPHttpUtility.UrlPathEncode(listViewUrl,true),Response.Output);%> >
<img border="0" alt=<%SPHttpUtility.AddQuote(SPHttpUtility.HtmlEncode(spList.Title),Response.Output);%> src=<%SPHttpUtility.AddQuote(SPHttpUtility.UrlPathEncode(spList.ImageUrl,true),Response.Output);%> width="16" height="16" /></a>
</td>
<td class="ms-vb2" >
<a id=<%SPHttpUtility.AddQuote(SPHttpUtility.HtmlEncode("viewlist" + spList.BaseTemplate.ToString()),Response.Output);%> href=<%SPHttpUtility.AddQuote(SPHttpUtility.UrlPathEncode(listViewUrl,true),Response.Output);%>><%SPHttpUtility.HtmlEncode(spList.Title,Response.Output);%></a> 
</td>
<%
string listDescription;
listDescription = ListPageBase.RenderListDescription(Web, spList);
%>
<td class="ms-vb2" width="40%" >
<%SPHttpUtility.NoEncode(listDescription,Response.Output);%> 
</td>
<td class="ms-vb2" width="3%" align="<SharePoint:EncodedLiteral runat='server' text='<%$Resources:wss,viewlsts_align%>' EncodeMethod='HtmlEncode'/>">
<%
if (spList.DataSource != null)
{
bShowExternalDataListCountInfo = true;
%>
<SharePoint:EncodedLiteral runat="server" text="<%$Resources:wss,viewlsts_ExternalDataList_CountExternal%>" EncodeMethod='HtmlEncodeAllowSimpleTextFormatting'/>
<%
}
else
{
SPHttpUtility.NoEncode(spList.ItemCount,Response.Output);
}
%>
</td>
<td class="ms-vb2" width="25%" >
<nobr>
<%
SPHttpUtility.HtmlEncode(SPUtility.TimeDeltaAsString(spList.LastItemModifiedDate, dtCurrent),Response.Output);
%>
</nobr>
</td>
</tr>
<%
rowClass = (rowClass == "")? alternatingClass : "";
}
}
}
if (!bBaseTypeInited || bShowSites)
{
%>
<tr>
<td class="ms-gb" colspan="5" style="white-space:nowrap;">
<h3 class="ms-standardheader">
  <SharePoint:EncodedLiteral runat="server" text="<%$Resources:wss,viewlsts_sitesandworkspaces_title%>" EncodeMethod='HtmlEncode'/>
</h3>
</td>
</tr>
<%
SPWebCollection webs = Web.GetSubwebsForCurrentUser();
if (webs.Count==0)
{
%>
<tr><td class="ms-vb2 ms-viewlsts-noitems" colspan="6">
<% if(Web.DoesUserHavePermissions(SPBasePermissions.ManageSubwebs)) { %>
<SharePoint:EncodedLiteral runat="server" text="<%$Resources:wss,viewlsts_L_szNoSites_Text%>" EncodeMethod='HtmlEncodeAllowSimpleTextFormatting'/>
</td></tr>
<% } else { %>
<SharePoint:EncodedLiteral runat="server" text="<%$Resources:wss,viewlsts_L_szNoSites1_Text%>" EncodeMethod='HtmlEncodeAllowSimpleTextFormatting'/>
</td></tr>
<% }
}
string rowClass = alternatingClass;
foreach (SPWeb webToDisplay in webs)
{
string imageUrl;
string toolTip;
Pair webImageData = SPUtility.MapWebToIcon(webToDisplay);
imageUrl = (string)(webImageData.First);
toolTip = SPHttpUtility.HtmlEncode((string)(webImageData.Second));
string destUrl = SPHttpUtility.UrlPathEncode(webToDisplay.Url + "/",true);
%>
<tr class="<%=rowClass%>">
<td class="ms-vb-icon" >
<a id="webIcon" href="<%=destUrl%>" >
<img border="0" alt="<%=toolTip%>" src="<%=("/_layouts/images/"+imageUrl)%>" width="16" height="16" /></a>
</td>
<td class="ms-vb2" >
<a id="webUrl" href="<%=destUrl%>"><%SPHttpUtility.HtmlEncode(webToDisplay.Title,Response.Output);%></a> 
</td>
<td class="ms-vb2" width="40%" >
<%SPHttpUtility.HtmlEncode(webToDisplay.Description,Response.Output);%>
</td>
<td class="ms-vb2" width="3%"></td>
<td class="ms-vb2" width="25%" >
<nobr>
<%=SPUtility.TimeDeltaAsString(webToDisplay.LastItemModifiedDate, dtCurrent)%>
</nobr>
</td>
</tr>
<%
rowClass = (rowClass == "")? alternatingClass : "";
}
}
if (bShowRecycleBin)
{
%>
<tr>
<td class="ms-gb" colspan="5" style="white-space:nowrap;">
<h3 class="ms-standardheader">
  <SharePoint:EncodedLiteral runat="server" text="<%$Resources:wss,viewlsts_recyclebin%>" EncodeMethod='HtmlEncode'/>
</h3>
</td>
</tr>
<tr>
<td class="ms-vb-icon" >
<a id="viewlistRecycleBin" href="RecycleBin.aspx" >
<img border="0" alt="<SharePoint:EncodedLiteral runat='server' text='<%$Resources:wss,viewlsts_recyclebin%>' EncodeMethod='HtmlEncode'/>" src="/_layouts/images/recycbin.gif" width="16" height="16" /></a>
</td>
<td class="ms-vb2" >
<a id="viewlistRecycleBin" href="RecycleBin.aspx"><SharePoint:EncodedLiteral runat="server" text="<%$Resources:wss,viewlsts_recyclebin%>" EncodeMethod='HtmlEncode'/></a> 
</td>
<td class="ms-vb2" width="40%" >
<SharePoint:EncodedLiteral runat="server" text="<%$Resources:wss,viewlsts_recyclebin_description%>" EncodeMethod='HtmlEncode'/>
</td>
<td class="ms-vb2" width="3%" align="right">
<%
SPHttpUtility.NoEncode(Convert.ToString(RecycleBinItemCount),Response.Output);
%>
</td>
<td class="ms-vb2" width="25%" >
<nobr>
 
</nobr>
</td>
</tr>
<%
}
%>
</table>
<div class="ms-vb2">
<%
if (bShowExternalDataListCountInfo)
{
%>
<SharePoint:EncodedLiteral runat="server" text="<%$Resources:wss,viewlsts_ExternalDataList_CountNotAvailable%>" EncodeMethod='HtmlEncodeAllowSimpleTextFormatting'/>
<%
}
%>
</div>
</asp:Content>
