void IModuleManagerImplementation.OnViewModelRemoved(string regionName, ViewModelRemovedEventArgs e)
{
var region = GetRegion(regionName);
region.Remove(e.ViewModelKey);
RaiseViewModelRemovedEvent(regionName, e);
}
void IModuleManager.Remove(string regionName, string key, bool raiseViewModelRemovingEvent)
{
if (!((IModuleManager)this).IsInjected(regionName, key))
{
return;
}
var region = GetRegion(regionName);
var vm = region.GetViewModel(key);
if (vm != null && raiseViewModelRemovingEvent)
{
ViewModelRemovingEventArgs e = new ViewModelRemovingEventArgs(regionName, vm, key);
RaiseViewModelRemovingEvent(regionName, e);
if (e.Cancel)
{
return;
}
}
region.Remove(key);
if (vm != null)
{
ViewModelRemovedEventArgs e = new ViewModelRemovedEventArgs(regionName, vm, key);
RaiseViewModelRemovedEvent(regionName, e);
}
}
void RaiseViewModelRemovedEvent(string regionName, ViewModelRemovedEventArgs e)
{
if (e.ViewModel != null)
{
GetEvents(e.ViewModel, false).Do(x => x.RaiseViewModelRemoved(this, e));
}
GetEvents(regionName, false).Do(x => x.RaiseViewModelRemoved(this, e));
}
void OnWindowClosed(object sender, ViewModelRemovedEventArgs e)
{
if (e.ViewModelKey != Key)
{
return;
}
var serv = owner.GetUIWindowRegion(e.RegionName);
owner.GetEvents(e.RegionName, true).ViewModelRemoved -= OnWindowClosed;
task.SetResult(new WindowInjectionResult(e.RegionName, e.ViewModel, e.ViewModelKey, serv != null ? serv.Result : null));
dispose(this);
}
void IModuleManager.Clear(string regionName)
{
var region = GetRegion(regionName);
var vms = region.ViewModels.ToDictionary(x => region.GetKey(x), x => x);
GetRegion(regionName).Clear();
foreach (var vm in vms)
{
ViewModelRemovedEventArgs e = new ViewModelRemovedEventArgs(regionName, vm.Value, vm.Key);
RaiseViewModelRemovedEvent(regionName, e);
}
}
