public HostEntrySelectionOptions GetOptions(IEnumerable <HostEntryViewModel> selectedModels)
{
var options = new HostEntrySelectionOptions();
IEnumerable <string> alternateAddresses = null;
HashSet <string> uniqueAddresses = new HashSet <string>();
HashSet <string> uniqueHostnames = new HashSet <string>();
HashSet <string> uniqueComments = new HashSet <string>();
foreach (var model in selectedModels)
{
uniqueAddresses.Add(model.HostEntry.Address);
uniqueComments.Add(model.HostEntry.Comment);
if (uniqueHostnames.Add(model.HostEntry.Hostname))
{
alternateAddresses = (alternateAddresses == null)
? GetAlternateAddresses(model.HostEntry)
: alternateAddresses.Union(GetAlternateAddresses(model.HostEntry));
}
if (model.HostEntry.Enabled)
{
options.CanDisable = true;
}
else
{
options.CanEnable = true;
}
options.CanEdit = true;
options.CanDelete = true;
options.CanSwitchAddress = true;
}
options.AlternateAddresses = (alternateAddresses ?? new string[0]).ToList();
if (uniqueAddresses.Count == 1)
{
options.EditableFields |= HostEntryField.Address;
}
if (uniqueHostnames.Count == 1)
{
options.EditableFields |= HostEntryField.Hostname;
}
if (uniqueComments.Count == 1)
{
options.EditableFields |= HostEntryField.Comment;
}
if (options.CanEnable ^ options.CanDisable)
{
options.EditableFields |= HostEntryField.Enabled;
}
return(options);
}
private void UpdateData()
{
Trace.WriteLine("ManageHostsModulePagePresenter.UpdateData");
hostEntryModels = new GlobalHostEntryViewModelStrategy()
.GetEntryModels(module.ServiceProxy.GetEntries());
this.selectionOptionsStrategy = new HostEntrySelectionOptionsStrategy(hostEntryModels);
this.addresses = module.ServiceProxy.GetServerAddresses();
this.options = selectionOptionsStrategy.GetOptions(this.SelectedEntries);
DisplayEntries();
}
void view_SelectionChanged(object sender, EventArgs e)
{
this.options = selectionOptionsStrategy.GetOptions(this.SelectedEntries);
uiService.Update();
}
