/// <summary> Gets the parameters required for selecting the <paramref name="menuTab"/>. </summary>
/// <param name="menuTab">
/// The <see cref="MenuTab"/> that should be selected by the when using the returned URL parameters.
/// Must not be <see langword="null"/>.
/// </param>
/// <returns>
/// A <see cref="NameValueCollection"/> that contains the URL parameters parameters required by this
/// <see cref="TabbedMenu"/>.
/// </returns>
public virtual NameValueCollection GetUrlParameters(IMenuTab menuTab)
{
ArgumentUtility.CheckNotNull("menuTab", menuTab);
MainMenuTab mainMenuTab = menuTab as MainMenuTab;
SubMenuTab subMenuTab = menuTab as SubMenuTab;
string[] tabIDs;
if (mainMenuTab != null)
{
tabIDs = ConvertTabIDsToArray(mainMenuTab, null);
}
else if (subMenuTab != null)
{
tabIDs = ConvertTabIDsToArray(subMenuTab.Parent, subMenuTab);
}
else
{
throw new NotSupportedException(string.Format("menuTab is of unsupported type '{0}'.", menuTab.GetType().FullName));
}
string value = (string)TypeConversionProvider.Convert(typeof(string[]), typeof(string), tabIDs);
NameValueCollection urlParameters = new NameValueCollection();
urlParameters.Add(SelectionID, value);
return(urlParameters);
}
/// <summary> Gets the IDs of the tabs to be selected from the query string. </summary>
/// <returns>
/// A string array containing the ID of the <see cref="MainMenuTab"/> at index 0 and the ID of the
/// <see cref="SubMenuTab"/> at index 1. If no selected tab could be found, the array is empty.
/// </returns>
private string[] GetSelectionFromQueryString()
{
string[] selection = null;
if (!IsDesignMode)
{
string value;
if (Page is IWxePage)
{
value = WxeContext.Current.QueryString[SelectionID];
}
else
{
value = Context.Request.QueryString[SelectionID];
}
if (value != null)
{
selection = (string[])TypeConversionProvider.Convert(typeof(string), typeof(string[]), value);
}
}
if (selection == null)
{
selection = new string[0];
}
return(selection);
}
