public void SetThemeBasedOnName(Web web, string themeName)
{
// Let's get instance to the composite look gallery
List themeList = web.GetCatalog(124);
web.Context.Load(themeList);
web.Context.ExecuteQuery();
// We are assuming that the theme exists
CamlQuery query = new CamlQuery();
string camlString = @"
<View>
<Query>
<Where>
<Eq>
<FieldRef Name='Name' />
<Value Type='Text'>{0}</Value>
</Eq>
</Where>
</Query>
</View>";
// Let's update the theme name accordingly
camlString = string.Format(camlString, themeName);
query.ViewXml = camlString;
var found = themeList.GetItems(query);
web.Context.Load(found);
web.Context.ExecuteQuery();
if (found.Count > 0)
{
Microsoft.SharePoint.Client.ListItem themeEntry = found[0];
//Set the properties for applying custom theme which was jus uplaoded
string spColorURL = null;
if (themeEntry["ThemeUrl"] != null && themeEntry["ThemeUrl"].ToString().Length > 0)
{
spColorURL = MakeAsRelativeUrl((themeEntry["ThemeUrl"] as FieldUrlValue).Url);
}
string spFontURL = null;
if (themeEntry["FontSchemeUrl"] != null && themeEntry["FontSchemeUrl"].ToString().Length > 0)
{
spFontURL = MakeAsRelativeUrl((themeEntry["FontSchemeUrl"] as FieldUrlValue).Url);
}
string backGroundImage = null;
if (themeEntry["ImageUrl"] != null && themeEntry["ImageUrl"].ToString().Length > 0)
{
backGroundImage = MakeAsRelativeUrl((themeEntry["ImageUrl"] as FieldUrlValue).Url);
}
// Set theme to host web
web.ApplyTheme(spColorURL,
spFontURL,
backGroundImage,
false);
// Let's also update master page, if needed
if (themeEntry["MasterPageUrl"] != null && themeEntry["MasterPageUrl"].ToString().Length > 0)
{
web.MasterUrl = MakeAsRelativeUrl((themeEntry["MasterPageUrl"] as FieldUrlValue).Url);
}
// Execute the needed code
web.Context.ExecuteQuery();
}
}
