public virtual PersonalizationScope DetermineInitialScope(WebPartManager webPartManager, PersonalizationState loadedState)
{
if (webPartManager == null)
{
throw new ArgumentNullException("webPartManager");
}
Page page = webPartManager.Page;
if (page == null)
{
throw new ArgumentException(System.Web.SR.GetString("PropertyCannotBeNull", new object[] { "Page" }), "webPartManager");
}
HttpRequest requestInternal = page.RequestInternal;
if (requestInternal == null)
{
throw new ArgumentException(System.Web.SR.GetString("PropertyCannotBeNull", new object[] { "Page.Request" }), "webPartManager");
}
PersonalizationScope initialScope = webPartManager.Personalization.InitialScope;
IPrincipal user = null;
if (requestInternal.IsAuthenticated)
{
user = page.User;
}
if (user == null)
{
initialScope = PersonalizationScope.Shared;
}
else
{
if (page.IsPostBack)
{
switch (page.Request["__WPPS"])
{
case "s":
initialScope = PersonalizationScope.Shared;
break;
case "u":
initialScope = PersonalizationScope.User;
break;
}
}
else if ((page.PreviousPage != null) && !page.PreviousPage.IsCrossPagePostBack)
{
WebPartManager currentWebPartManager = WebPartManager.GetCurrentWebPartManager(page.PreviousPage);
if (currentWebPartManager != null)
{
initialScope = currentWebPartManager.Personalization.Scope;
}
}
else if (page.IsExportingWebPart)
{
initialScope = page.IsExportingWebPartShared ? PersonalizationScope.Shared : PersonalizationScope.User;
}
if ((initialScope == PersonalizationScope.Shared) && !webPartManager.Personalization.CanEnterSharedScope)
{
initialScope = PersonalizationScope.User;
}
}
string hiddenFieldInitialValue = (initialScope == PersonalizationScope.Shared) ? "s" : "u";
page.ClientScript.RegisterHiddenField("__WPPS", hiddenFieldInitialValue);
return(initialScope);
}
/// <devdoc>
/// </devdoc>
public virtual PersonalizationScope DetermineInitialScope(WebPartManager webPartManager, PersonalizationState loadedState)
{
if (webPartManager == null)
{
throw new ArgumentNullException("webPartManager");
}
Page page = webPartManager.Page;
if (page == null)
{
throw new ArgumentException(SR.GetString(SR.PropertyCannotBeNull, "Page"),
"webPartManager");
}
HttpRequest request = page.RequestInternal;
if (request == null)
{
throw new ArgumentException(SR.GetString(SR.PropertyCannotBeNull, "Page.Request"),
"webPartManager");
}
PersonalizationScope scope = webPartManager.Personalization.InitialScope;
IPrincipal user = null;
if (request.IsAuthenticated)
{
user = page.User;
}
if (user == null)
{
// if no user has been authenticated, then just load all user data
scope = PersonalizationScope.Shared;
}
else
{
if (page.IsPostBack)
{
string postedMode = page.Request[scopeFieldName];
if (postedMode == sharedScopeFieldValue)
{
scope = PersonalizationScope.Shared;
}
else if (postedMode == userScopeFieldValue)
{
scope = PersonalizationScope.User;
}
}
else if ((page.PreviousPage != null) &&
(page.PreviousPage.IsCrossPagePostBack == false))
{
WebPartManager previousWebPartManager = WebPartManager.GetCurrentWebPartManager(page.PreviousPage);
if (previousWebPartManager != null)
{
// Note that we check the types of the page, so we don't
// look the at the PreviousPage in a cross-page posting scenario
scope = previousWebPartManager.Personalization.Scope;
}
}
// Special-case Web Part Export so it executes in the same security context as the page itself (VSWhidbey 426574)
// Setting the initial scope from what's been asked for in the export parameters
else if (page.IsExportingWebPart)
{
scope = (page.IsExportingWebPartShared ? PersonalizationScope.Shared : PersonalizationScope.User);
}
if ((scope == PersonalizationScope.Shared) &&
(webPartManager.Personalization.CanEnterSharedScope == false))
{
scope = PersonalizationScope.User;
}
}
string fieldValue = (scope == PersonalizationScope.Shared) ? sharedScopeFieldValue : userScopeFieldValue;
page.ClientScript.RegisterHiddenField(scopeFieldName, fieldValue);
return(scope);
}