/// <summary>
/// Shows/hides the join, and leave buttons.
/// </summary>
void SetJoinLeaveButtonVisibility()
{
GroupBindingWrapper wrapper = (GroupBindingWrapper)DataContext;
wrapper.JoinButtonVisibility = Visibility.Collapsed;
wrapper.LeaveButtonVisibility = Visibility.Collapsed;
ObservableCollection <string> users = (ObservableCollection <string>)UsersOfGroupListBox.ItemsSource;
User currentUser = ArcGISOnlineEnvironment.ArcGISOnline.User.Current;
if (currentUser != null && currentUser.Username != OwnerTextBlock.Text)
{
foreach (string user in users)
{
if (user == currentUser.Username) //current user is already member of group
{
wrapper.LeaveButtonVisibility = Visibility.Visible;
break;
}
}
if (wrapper.Content.IsInvitationOnly)
{
wrapper.JoinButtonVisibility = Visibility.Collapsed; //don't show join button if group is set for joining by invitation only
}
else
{
wrapper.JoinButtonVisibility = wrapper.LeaveButtonVisibility == Visibility.Collapsed ? Visibility.Visible : Visibility.Collapsed;
}
}
}
/// <summary>
/// Activates the control.
/// </summary>
public void Activate(Group group)
{
if (MapDetailsControl == null)
{
pendingActivation = group;
return;
}
pendingActivation = null;
GroupBindingWrapper wrapper = new GroupBindingWrapper()
{
EditButtonVisibility = Visibility.Collapsed
};
DataContext = wrapper;
wrapper.Content = group;
wrapper.EditButtonVisibility = CanEdit ? Visibility.Visible : Visibility.Collapsed;
if (Tab.SelectedIndex == 0 || Tab.SelectedIndex == 3)
{
MapDetailsControl.Visibility = Visibility.Collapsed;
}
else
{
MapDetailsControl.DataContext = null;
}
//initializes the tab control
//
Tab_SelectionChanged(null, null);
//get the members of the group
//
ArcGISOnlineEnvironment.ArcGISOnline.Group.GetMembers(group.Id, GetGroupMembersCompleted);
}
/// <summary>
/// Refreshes the page.
/// </summary>
void Refresh()
{
GroupBindingWrapper wrapper = (GroupBindingWrapper)DataContext;
ArcGISOnlineEnvironment.ArcGISOnline.Group.GetGroup(wrapper.Content.Id, (object sender, GroupEventArgs e) =>
{
wrapper.Content = e.Group;
//initializes the tab control
Tab_SelectionChanged(null, null);
//raise event
RaiseGroupDetailsChanged(e.Group);
});
}
/// <summary>
/// Occurs when the user signs in or out from AGOL.
/// </summary>
void ArcGISOnline_SignedInOut(object sender, EventArgs e)
{
GroupBindingWrapper wrapper = DataContext as GroupBindingWrapper;
if (wrapper == null)
{
return;
}
//show/hide edit icons
//
wrapper.EditButtonVisibility = CanEdit ? Visibility.Visible : Visibility.Collapsed;
//show/hide join, invite and leave button
//
SetJoinLeaveButtonVisibility();
//reinitialize tab
//
Tab_SelectionChanged(null, null);
}
