static void OnIsCheckedChanged(BindableObject bindable, object oldValue,
object newValue)
{
RadioBehavior behavior = (RadioBehavior)bindable;
if ((bool)newValue)
{
string groupName = behavior.GroupName;
List <RadioBehavior> behaviors = null;
if (String.IsNullOrEmpty(groupName))
{
behaviors = defaultGroup;
}
else
{
behaviors = radioGroups[groupName];
}
foreach (RadioBehavior otherBehavior in behaviors)
{
if (otherBehavior != behavior)
{
otherBehavior.IsChecked = false;
}
}
}
}
static void OnGroupNameChanged(BindableObject bindable, object oldValue,
object newValue)
{
RadioBehavior behavior = (RadioBehavior)bindable;
string oldGroupName = (string)oldValue;
string newGroupName = (string)newValue;
if (String.IsNullOrEmpty(oldGroupName))
{
// Remove the Behavior from the default group.
defaultGroup.Remove(behavior);
}
else
{
// Remove the RadioBehavior from the radioGroups collection.
List <RadioBehavior> behaviors = radioGroups[oldGroupName];
behaviors.Remove(behavior);
// Get rid of the collection if it's empty.
if (behaviors.Count == 0)
{
radioGroups.Remove(oldGroupName);
}
}
if (String.IsNullOrEmpty(newGroupName))
{
// Add the new Behavior to the default group.
defaultGroup.Add(behavior);
}
else
{
List <RadioBehavior> behaviors = null;
if (radioGroups.ContainsKey(newGroupName))
{
// Get the named group.
behaviors = radioGroups[newGroupName];
}
else
{
// If that group doesn't exist, create it.
behaviors = new List <RadioBehavior>();
radioGroups.Add(newGroupName, behaviors);
}
// Add the Behavior to the group.
behaviors.Add(behavior);
}
}