## CONTACT INFO
## ------------------------------------------------
## CREATED   : 2013.03.30
## MODIFIED  :
## AUTHOR    : Jason Lasby 
## EMAIL     : digitalslavery@gmail.com 

## DESCRIPTION
## ------------------------------------------------
## Script to loop through a set of Subsites and  
## adds a document library named SitePages  and a 
## web part page to the site named dashboard.aspx
 
## EXPLAINATION
## ------------------------------------------------
## This example illustrates how to loop through a  
## set of sub sites and add a document library and a 
## web part page named dashboard.aspx 

##
## BEGIN
## ------------------------------------------------
## Load up the snapin so Powershell can work with SharePoint
## if the snapin was already loaded don't alert the user
Add-PSSnapin microsoft.SharePoint.PowerShell -ErrorAction SilentlyContinue
## Clear any errors or output to the screen
CLS
## Set variables
## This variable will be the site where I want to start
$parentSite = "http://sp2010/dashboards"
$webSites = Get-SPWeb $parentSite

$layoutTemplate = 2
$documentLibraryDescription = "A Document Library to store the Dashboard Pages"
$pageTitle = "Dashboard"
$targetLibrary = "DashboardSitePages"

function CreateSitePagesDocLib
{
	$listTemplate = [Microsoft.SharePoint.SPListTemplateType]::DocumentLibrary
	$webSite.Lists.Add($targetLibrary, $documentLibraryDescription, $listTemplate)
	$docLib = $webSite.Lists[$targetLibrary]
	$docLib.OnQuickLaunch = $true
	$docLib.EnableVersioning = $true
	$docLib.Update()
	CreateDashboardPage
}

function CreateDashboardPage
{
	$list = $webSite.GetList("http://sp2010/dashboards/$webSiteName/SitePages/")
	$xml = "<?xml version=""1.0"" encoding=""UTF-8""?><Method ID=""0,NewWebPage""><SetList Scope=""Request"">" + $list.ID + "</SetList><SetVar Name=""Cmd"">NewWebPage</SetVar><SetVar Name=""ID"">New</SetVar><SetVar Name=""Type"">WebPartPage</SetVar><SetVar Name=""WebPartPageTemplate"">" + $layoutTemplate + "</SetVar><SetVar Name=""Overwrite"">true</SetVar><SetVar Name=""Title"">" + $pageTitle + "</SetVar></Method>"
	$result = $webSite.ProcessBatchData($xml) 
}

foreach($webSite in $webSites.Webs)
{
	$webSiteName = $webSite.Name
	$webSiteDescription = $webSite.Description
	$sitePagesLib = $webSite.Lists[$targetLibrary]
	if($sitePagesLib)
	{
		CreateDashboardPage
	}
	else
	{
		CreateSitePagesDocLib
	}
}