public void RegisterGroup(object groupIdentifier, IEnumerable <AppBarIconButton> iconButtons = null,
IEnumerable <AppBarMenuItem> menuItems = null, Action <AppBarGroup> initializer = null)
{
var group = new AppBarGroup(groupIdentifier, iconButtons, menuItems);
if (initializer != null)
{
initializer(group);
}
RegisterGroup(group);
}
public void RegisterGroup(AppBarGroup group)
{
_groups.Add(group);
foreach (AppBarIconButton iconButton in group.IconButtons)
{
string imageUrl = iconButton.RelativeUrl.ToString();
if (!string.IsNullOrWhiteSpace(imageUrl))
{
iconButton.RelativeUrl = new Uri(_imagesRootFolder + imageUrl);
}
}
}
public void Update(object groupIdentifier)
{
if (groupIdentifier == null)
{
throw new ArgumentNullException("groupIdentifier");
}
_applicationBar.Buttons.Clear();
_applicationBar.MenuItems.Clear();
AppBarGroup matchingGroup = _groups.FirstOrDefault(group => group.GroupIdentifier.Equals(groupIdentifier));
if (matchingGroup == null)
{
throw new ArgumentException(
string.Format("Group identifier {0} could not be found in the registered groups", groupIdentifier), "groupIdentifier");
}
bool hasNoItems = matchingGroup.IconButtons.Count == 0 && matchingGroup.MenuItems.Count == 0;
_applicationBar.IsVisible = !hasNoItems;
if (hasNoItems)
{
return;
}
bool hasOnlyMenuItems = matchingGroup.IconButtons.Count == 0;
if (hasOnlyMenuItems && !matchingGroup.Mode.HasValue)
{
_applicationBar.Mode = ApplicationBarMode.Minimized;
}
else
{
_applicationBar.Mode = matchingGroup.Mode.GetValueOrDefault(ApplicationBarMode.Default);
}
foreach (AppBarIconButton iconButton in matchingGroup.IconButtons)
{
var button = new ApplicationBarIconButton(iconButton.RelativeUrl);
button.Text = iconButton.Text;
button.Click += iconButton.ClickHandler;
_applicationBar.Buttons.Add(button);
}
if (matchingGroup.MenuItems.Count > 0)
{
_applicationBar.IsMenuEnabled = true;
foreach (AppBarMenuItem menuItem in matchingGroup.MenuItems)
{
var item = new ApplicationBarMenuItem(menuItem.Text);
item.Click += menuItem.ClickHandler;
_applicationBar.MenuItems.Add(item);
}
}
else
{
_applicationBar.IsMenuEnabled = false;
}
_applicationBar.Opacity = matchingGroup.Opacity;
if (matchingGroup.OnActivated != null)
{
matchingGroup.OnActivated(matchingGroup.GroupIdentifier);
}
}