/// <summary>
/// Compares master page URL, theme URL and font URL values to current theme entity to check if they are the same.
/// Handles also possible null values. Point is to figure out which theme is the one that is currently
/// being selected as "Current"
/// </summary>
/// <param name="theme">Current theme entity to compare values to</param>
/// <param name="masterPageUrl">Master page URL</param>
/// <param name="themeUrl">Theme URL</param>
/// <param name="fontUrl">Font URL</param>
/// <returns></returns>
private static bool IsMatchingTheme(ThemeEntity theme, string masterPageUrl, string themeUrl, string fontUrl)
{
bool themeUrlHasValue = false, fontUrlHasValue = false;
//Is Masterpage Url meaningful for compare?
var masterPageUrlHasValue = !string.IsNullOrEmpty(theme.MasterPage);
// Is theme URL meaningful for compare?
if (!string.IsNullOrEmpty(theme.Theme))
{
themeUrlHasValue = true;
}
// Is font URL meaningful for compare?
if (!string.IsNullOrEmpty(theme.Font))
{
fontUrlHasValue = true;
}
// Should we compare all of the values?
if (masterPageUrlHasValue && themeUrlHasValue && fontUrlHasValue)
{
if (!string.IsNullOrEmpty(theme.MasterPage) && theme.MasterPage.Equals(masterPageUrl, StringComparison.InvariantCultureIgnoreCase) &&
theme.Theme.Equals(themeUrl, StringComparison.InvariantCultureIgnoreCase) &&
theme.Font.Equals(fontUrl, StringComparison.InvariantCultureIgnoreCase))
{
return true;
}
}
// Should we compare only master page and theme URL?
if (masterPageUrlHasValue && themeUrlHasValue && !fontUrlHasValue)
{
if (!string.IsNullOrEmpty(theme.MasterPage) && theme.MasterPage.Equals(masterPageUrl, StringComparison.InvariantCultureIgnoreCase) &&
theme.Theme.Equals(themeUrl, StringComparison.InvariantCultureIgnoreCase))
{
return true;
}
}
// Should we compare only master page and font value?
if (masterPageUrlHasValue && !themeUrlHasValue && fontUrlHasValue)
{
if (!string.IsNullOrEmpty(theme.MasterPage) && theme.MasterPage.Equals(masterPageUrl, StringComparison.InvariantCultureIgnoreCase) &&
theme.Font.Equals(fontUrl, StringComparison.InvariantCultureIgnoreCase))
{
return true;
}
}
// Should we only compare master page
if (masterPageUrlHasValue && !themeUrlHasValue && !fontUrlHasValue)
{
if (!string.IsNullOrEmpty(theme.MasterPage) && theme.MasterPage.Equals(masterPageUrl, StringComparison.InvariantCultureIgnoreCase))
{
return true;
}
}
return false;
}
/// <summary>
/// Returns the named composed look from the web gallery
/// </summary>
/// <param name="web">Web to check</param>
/// <param name="composedLookName">Name of the composed look to retrieve</param>
/// <returns>Entity with the attributes of the composed look, or null if the composed look does not exists or cannot be determined</returns>
public static ThemeEntity GetComposedLook(this Web web, string composedLookName)
{
// List of OOB composed looks
List<string> defaultComposedLooks = new List<string>(new string[] { "Orange", "Sea Monster", "Green", "Lime", "Nature", "Blossom", "Sketch", "City", "Orbit", "Grey", "Characters", "Office", "Breeze", "Immerse", "Red", "Purple", "Wood" });
// ThemeEntity object that will be
ThemeEntity theme = null;
List designCatalog = web.GetCatalog((int)ListTemplateType.DesignCatalog);
const string camlString = @"
<View>
<Query>
</Query>
<OrderBy>
<FieldRef Name='Modified' />
</OrderBy>
<ViewFields>
<FieldRef Name='Name' />
<FieldRef Name='ImageUrl' />
<FieldRef Name='MasterPageUrl' />
<FieldRef Name='FontSchemeUrl' />
<FieldRef Name='ThemeUrl' />
</ViewFields>
</View>";
CamlQuery camlQuery = new CamlQuery();
camlQuery.ViewXml = camlString;
ListItemCollection themes = designCatalog.GetItems(camlQuery);
web.Context.Load(themes);
web.Context.Load(web, w => w.Url);
web.Context.ExecuteQueryRetry();
string siteCollectionUrl = "";
string subSitePath = "";
using (ClientContext cc = web.Context.Clone(web.Url))
{
cc.Load(cc.Site, s => s.Url);
cc.ExecuteQueryRetry();
siteCollectionUrl = cc.Site.Url;
subSitePath = web.Url.Replace(siteCollectionUrl, "");
}
if (themes.Count > 0)
{
List<string> customComposedLooks = new List<string>();
// Iterate over the existing composed looks to figure out the current composed look
foreach (var themeItem in themes)
{
string masterPageUrl = null;
string themeUrl = null;
string imageUrl = null;
string fontUrl = null;
string name = null;
if (themeItem["MasterPageUrl"] != null && themeItem["MasterPageUrl"].ToString().Length > 0)
{
masterPageUrl = (themeItem["MasterPageUrl"] as FieldUrlValue).Url;
}
if (themeItem["ImageUrl"] != null && themeItem["ImageUrl"].ToString().Length > 0)
{
imageUrl = (themeItem["ImageUrl"] as FieldUrlValue).Url;
}
if (themeItem["FontSchemeUrl"] != null && themeItem["FontSchemeUrl"].ToString().Length > 0)
{
fontUrl = (themeItem["FontSchemeUrl"] as FieldUrlValue).Url;
}
if (themeItem["ThemeUrl"] != null && themeItem["ThemeUrl"].ToString().Length > 0)
{
themeUrl = (themeItem["ThemeUrl"] as FieldUrlValue).Url;
}
if (themeItem["Name"] != null && themeItem["Name"].ToString().Length > 0)
{
name = themeItem["Name"] as String;
}
if (name != null)
{
if (!name.Equals(CurrentLookName, StringComparison.InvariantCultureIgnoreCase) &&
!defaultComposedLooks.Contains(name))
{
customComposedLooks.Add(name);
}
if (name.Equals(composedLookName, StringComparison.InvariantCultureIgnoreCase))
{
theme = new ThemeEntity();
if (themeItem["ThemeUrl"] != null && themeItem["ThemeUrl"].ToString().Length > 0)
{
theme.Theme = (themeItem["ThemeUrl"] as FieldUrlValue).Url;
}
if (themeItem["MasterPageUrl"] != null && themeItem["MasterPageUrl"].ToString().Length > 0)
{
theme.MasterPage = (themeItem["MasterPageUrl"] as FieldUrlValue).Url;
}
if (themeItem["FontSchemeUrl"] != null && themeItem["FontSchemeUrl"].ToString().Length > 0)
{
theme.Font = (themeItem["FontSchemeUrl"] as FieldUrlValue).Url;
}
if (themeItem["ImageUrl"] != null && themeItem["ImageUrl"].ToString().Length > 0)
{
theme.BackgroundImage = (themeItem["ImageUrl"] as FieldUrlValue).Url;
}
}
}
}
// return here if we did not find the requested theme...it does not exist.
if (theme == null)
{
return theme;
}
// For a brand new clean site everything is null. Once you apply another OOB composed look and then re-apply the default
// Office composed look the theme information will be populated.
if (theme.BackgroundImage == null &&
theme.Font == null &&
theme.MasterPage == null &&
theme.Theme == null &&
web.IsUsingOfficeTheme())
{
theme.Name = "Office";
theme.MasterPage = String.Format("{0}/_catalogs/masterpage/seattle.master", subSitePath);
theme.Theme = "/_catalogs/theme/15/palette001.spcolor";
theme.IsCustomComposedLook = false;
}
else
{
// Loop over the defined composed look and get the one that matches the information gathered from the "current" composed look
foreach (var themeItem in themes)
{
string masterPageUrl = null;
string themeUrl = null;
string imageUrl = null;
string fontUrl = null;
string name = "";
if (themeItem["MasterPageUrl"] != null && themeItem["MasterPageUrl"].ToString().Length > 0)
{
masterPageUrl = (themeItem["MasterPageUrl"] as FieldUrlValue).Url;
}
if (themeItem["ImageUrl"] != null && themeItem["ImageUrl"].ToString().Length > 0)
{
imageUrl = (themeItem["ImageUrl"] as FieldUrlValue).Url;
}
if (themeItem["FontSchemeUrl"] != null && themeItem["FontSchemeUrl"].ToString().Length > 0)
{
fontUrl = (themeItem["FontSchemeUrl"] as FieldUrlValue).Url;
}
if (themeItem["ThemeUrl"] != null && themeItem["ThemeUrl"].ToString().Length > 0)
{
themeUrl = (themeItem["ThemeUrl"] as FieldUrlValue).Url;
}
if (themeItem["Name"] != null && themeItem["Name"].ToString().Length > 0)
{
name = themeItem["Name"] as String;
}
// Note: do not take in account the ImageUrl field as this will point to a copied image in case of a sub site
if ((masterPageUrl == null || theme.MasterPage == null || theme.MasterPage.Equals(masterPageUrl, StringComparison.InvariantCultureIgnoreCase)) &&
(fontUrl == null || theme.Font == null || theme.Font.Equals(fontUrl, StringComparison.InvariantCultureIgnoreCase)) &&
(themeUrl == null || theme.Theme == null || theme.Theme.Equals(themeUrl, StringComparison.InvariantCultureIgnoreCase)))
{
theme.Name = name;
theme.IsCustomComposedLook = !defaultComposedLooks.Contains(theme.Name);
// Restore the default composed look image url
if (imageUrl != null)
{
theme.BackgroundImage = imageUrl;
}
// We're taking the first matching composed look
break;
}
}
// special case, theme files have been deployed via api and when applying the proper theme the "current" was not set
if (theme.Name.Equals(CurrentLookName, StringComparison.InvariantCultureIgnoreCase))
{
if (!web.IsUsingOfficeTheme())
{
// Assume the the last added custom theme is what the site is using
for (int i = themes.Count; i-- > 0;)
{
var themeItem = themes[i];
if (themeItem["Name"] != null && customComposedLooks.Contains(themeItem["Name"] as string))
{
if (themeItem["ThemeUrl"] != null && themeItem["ThemeUrl"].ToString().Length > 0)
{
theme.Theme = (themeItem["ThemeUrl"] as FieldUrlValue).Url;
}
if (themeItem["MasterPageUrl"] != null && themeItem["MasterPageUrl"].ToString().Length > 0)
{
theme.MasterPage = (themeItem["MasterPageUrl"] as FieldUrlValue).Url;
}
if (themeItem["FontSchemeUrl"] != null && themeItem["FontSchemeUrl"].ToString().Length > 0)
{
theme.Font = (themeItem["FontSchemeUrl"] as FieldUrlValue).Url;
}
if (themeItem["ImageUrl"] != null && themeItem["ImageUrl"].ToString().Length > 0)
{
theme.BackgroundImage = (themeItem["ImageUrl"] as FieldUrlValue).Url;
}
if (themeItem["Name"] != null && themeItem["Name"].ToString().Length > 0)
{
theme.Name = themeItem["Name"] as String;
}
theme.IsCustomComposedLook = true;
break;
}
}
}
}
}
}
if (theme == null)
{
return theme;
}
String designPreviewThemedCssFolderUrl = web.GetPropertyBagValueString("DesignPreviewThemedCssFolderUrl", null);
// If name still is "Current" and there isn't a PreviewThemedCssFolderUrl
// property in the property bag then we can't correctly determine the set
// composed look...so return null
if (theme.Name.Equals(CurrentLookName, StringComparison.InvariantCultureIgnoreCase)
&& String.IsNullOrEmpty(designPreviewThemedCssFolderUrl))
{
return null;
}
// Clean up the fully qualified urls
if (theme.BackgroundImage != null && theme.BackgroundImage.IndexOf(siteCollectionUrl, StringComparison.InvariantCultureIgnoreCase) > -1)
{
theme.BackgroundImage = theme.BackgroundImage.Replace(siteCollectionUrl, "");
}
if (theme.Theme != null && theme.Theme.IndexOf(siteCollectionUrl, StringComparison.InvariantCultureIgnoreCase) > -1)
{
theme.Theme = theme.Theme.Replace(siteCollectionUrl, "");
}
if (theme.Font != null && theme.Font.IndexOf(siteCollectionUrl, StringComparison.InvariantCultureIgnoreCase) > -1)
{
theme.Font = theme.Font.Replace(siteCollectionUrl, "");
}
if (theme.MasterPage != null && theme.MasterPage.IndexOf(siteCollectionUrl, StringComparison.InvariantCultureIgnoreCase) > -1)
{
theme.MasterPage = theme.MasterPage.Replace(siteCollectionUrl, "");
}
return theme;
}
/// <summary>
/// Returns the named composed look from the web gallery
/// </summary>
/// <param name="web">Web to check</param>
/// <param name="composedLookName">Name of the composed look to retrieve</param>
/// <returns>Entity with the attributes of the composed look, or null if it does not exist</returns>
public static ThemeEntity GetComposedLook(this Web web, string composedLookName)
{
ThemeEntity theme = null;
List designCatalog = web.GetCatalog((int)ListTemplateType.DesignCatalog);
string camlString = @"
<View>
<Query>
<Where><Eq><FieldRef Name='Name' /><Value Type='Text'>{0}</Value></Eq></Where>
</Query>
<ViewFields>
<FieldRef Name='ImageUrl' />
<FieldRef Name='MasterPageUrl' />
<FieldRef Name='FontSchemeUrl' />
<FieldRef Name='ThemeUrl' />
</ViewFields>
</View>";
CamlQuery camlQuery = new CamlQuery();
camlQuery.ViewXml = string.Format(camlString, composedLookName);
ListItemCollection themes = designCatalog.GetItems(camlQuery);
web.Context.Load(themes);
web.Context.ExecuteQuery();
if (themes.Count > 0)
{
var themeItem = themes[0];
theme = new ThemeEntity();
if (themeItem["ThemeUrl"] != null && themeItem["ThemeUrl"].ToString().Length > 0)
{
theme.Theme = (themeItem["ThemeUrl"] as FieldUrlValue).Url;
}
if (themeItem["MasterPageUrl"] != null && themeItem["MasterPageUrl"].ToString().Length > 0)
{
theme.MasterPage = (themeItem["MasterPageUrl"] as FieldUrlValue).Url;
}
if (themeItem["FontSchemeUrl"] != null && themeItem["FontSchemeUrl"].ToString().Length > 0)
{
theme.Font = (themeItem["FontSchemeUrl"] as FieldUrlValue).Url;
}
if (themeItem["ImageUrl"] != null && themeItem["ImageUrl"].ToString().Length > 0)
{
theme.BackgroundImage = (themeItem["ImageUrl"] as FieldUrlValue).Url;
}
}
return theme;
}