protected override void InternalProcessRecord()
{
switch (ParameterSetName)
{
case "SPWeb":
SPWeb web = Web.Read();
if (web == null)
{
throw new FileNotFoundException(string.Format("The specified web could not be found. {0}", Web.WebUrl), Web.WebUrl);
}
try
{
ResetSPTheme(web, SetSubWebsToInherit);
}
finally
{
web.Dispose();
web.Site.Dispose();
}
break;
case "SPSite":
SPSite site = Site.Read();
if (site == null)
{
throw new FileNotFoundException(string.Format("The specified site collection could not be found. {0}", Site.SiteUrl), Site.SiteUrl);
}
try
{
ResetSPTheme(site.RootWeb, SetSubWebsToInherit);
if (!SetSubWebsToInherit)
{
foreach (SPWeb web2 in site.AllWebs)
{
if (!web2.IsRootWeb)
{
string themesUrlForWeb = ThmxTheme.GetThemeUrlForWeb(web2);
string themesUrlForParentWeb = ThmxTheme.GetThemeUrlForWeb(web2.ParentWeb);
if (!string.IsNullOrEmpty(themesUrlForWeb) && !string.IsNullOrEmpty(themesUrlForParentWeb) && themesUrlForWeb.ToLower() != themesUrlForParentWeb.ToLower())
{
// We found a web that does not have it's theme inheriting from the parent so reset it against the source files.
ResetSPTheme(web2, false);
}
}
}
}
}
finally
{
site.Dispose();
}
break;
}
}
private void UpdateInheritingWebs(SPWeb web, string oldThemesUrlForWeb, string newThemesUrlForWeb)
{
foreach (SPWeb childWeb in web.Webs)
{
string themesUrlForWeb = ThmxTheme.GetThemeUrlForWeb(childWeb);
if (!string.IsNullOrEmpty(themesUrlForWeb) && themesUrlForWeb.ToLower() == oldThemesUrlForWeb.ToLower())
{
ThmxTheme.SetThemeUrlForWeb(childWeb, newThemesUrlForWeb);
}
if (childWeb.Webs.Count > 0)
{
UpdateInheritingWebs(childWeb, oldThemesUrlForWeb, newThemesUrlForWeb);
}
childWeb.Dispose();
}
}
private void ResetSPTheme(SPWeb web, bool resetChildren)
{
try
{
// Store some variables for later use
string tempFolderName = Guid.NewGuid().ToString("N").ToUpper();
string themedFolderName = SPUrlUtility.CombineUrl(web.Site.ServerRelativeUrl, "/_catalogs/theme/Themed");
string themesUrlForWeb = ThmxTheme.GetThemeUrlForWeb(web);
if (string.IsNullOrEmpty(themesUrlForWeb))
{
Logger.WriteWarning("The web {0} does not have a theme set and will be ignored.", web.Url);
return;
}
if (!web.IsRootWeb)
{
string themesUrlForParentWeb = ThmxTheme.GetThemeUrlForWeb(web.ParentWeb);
if (themesUrlForWeb.ToLower() == themesUrlForParentWeb.ToLower())
{
Logger.WriteWarning("The web {0} inherits it's theme from it's parent. The theme will not be reset.", web.Url);
return;
}
}
// Open the existing theme
ThmxTheme webThmxTheme = ThmxTheme.Open(web.Site, themesUrlForWeb);
// Generate a new theme using the settings defined for the existing theme
// (this will generate a temporary theme folder that we'll need to delete)
webThmxTheme.GenerateThemedStyles(true, web.Site.RootWeb, tempFolderName);
// Apply the newly generated theme to the web
ThmxTheme.SetThemeUrlForWeb(web, SPUrlUtility.CombineUrl(themedFolderName, tempFolderName) + "/theme.thmx", true);
// Delete the temp folder created earlier
web.Site.RootWeb.GetFolder(SPUrlUtility.CombineUrl(themedFolderName, tempFolderName)).Delete();
// Reset the theme URL just in case it has changed (sometimes it will)
using (SPSite site = new SPSite(web.Site.ID))
using (SPWeb web2 = site.OpenWeb(web.ID))
{
string updatedThemesUrlForWeb = ThmxTheme.GetThemeUrlForWeb(web2);
if (resetChildren)
{
bool isPublishingWeb = false;
#if MOSS
isPublishingWeb = PublishingWeb.IsPublishingWeb(web2);
#endif
// Set all child webs to inherit.
if (isPublishingWeb)
{
#if MOSS
PublishingWeb pubWeb = PublishingWeb.GetPublishingWeb(web2);
pubWeb.ThemedCssFolderUrl.SetValue(pubWeb.Web.ThemedCssFolderUrl, true);
#endif
}
else
{
ResetChildWebs(web2, updatedThemesUrlForWeb);
}
}
else
{
if (themesUrlForWeb != updatedThemesUrlForWeb)
{
UpdateInheritingWebs(web2, themesUrlForWeb, updatedThemesUrlForWeb);
}
}
}
}
finally
{
if (web != null)
{
web.Site.Dispose();
}
}
}