/// <summary>
/// An element in the Settings Tree is selected, now do:
/// 1) if a SettingsPage is registered to the item:
/// a) Create the page if it wasn't created
/// b) Show the page
/// 2) if a URL is registered to the item, navigate to it
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void TreeView_SelectedItemChanged(object sender, RoutedPropertyChangedEventArgs <object> e)
{
SettingsTreeItem settingsTreeItem = (SettingsTreeItem)e.NewValue;
if (settingsTreeItem != null)
{
if (settingsTreeItem.SettingsPage != null)
{
CurrentSettingsPage.Content = settingsTreeItem.SettingsPage;
}
else if (settingsTreeItem.SettingsPageType != null)
{
settingsTreeItem.SettingsPage = InstanciatePage(settingsTreeItem.SettingsPageType);
CurrentSettingsPage.Content = settingsTreeItem.SettingsPage;
}
else if (settingsTreeItem.Url != null)
{
CurrentSettingsPage.Navigate(new Uri(settingsTreeItem.Url));
}
}
}
/// <summary>
/// Register the SettingsPage Type T or URL to the supplied the keyPath
/// </summary>
/// <param name="settingsPageType">Type which extends SettingsPage</param>
/// <param name="keyPath">key,key,key</param>
/// <param name="url">URL for the path</param>
public static void RegisterSettingsPage(string keyPath, Type settingsPageType, string url)
{
IDictionary <string, SettingsTreeItem> current = treeItems;
string[] pathEntries = keyPath.Split(new char[] { ',' });
string currentLocation = null;
for (int i = 0; i < pathEntries.Length; i++)
{
currentLocation = pathEntries[i];
if (current.ContainsKey(currentLocation))
{
if (i == pathEntries.Length - 1)
{
current[currentLocation].SettingsPageType = settingsPageType;
current[currentLocation].Url = url;
}
current = current[currentLocation].Children;
}
else if (i < pathEntries.Length - 1)
{
SettingsTreeItem item = new SettingsTreeItem {
Key = currentLocation
};
current.Add(currentLocation, item);
current = item.Children;
}
else
{
current.Add(currentLocation, new SettingsTreeItem {
Key = currentLocation,
SettingsPageType = settingsPageType,
Url = url
});
}
}
}