private static Action <object> MakeCallback(GistEditViewController ctrl, string key)
{
var weakCtrl = new WeakReference <GistEditViewController>(ctrl);
return(new Action <object>(_ =>
{
var model = weakCtrl.Get()?._model;
if (model == null || !model.Files.ContainsKey(key))
{
return;
}
var originalGist = weakCtrl.Get()?._originalGist;
var createController = new GistFileEditViewController {
Filename = key, Content = model.Files[key].Content
};
createController.SaveCommand.Subscribe(__ => weakCtrl.Get()?.NavigationController.PopToViewController(weakCtrl.Get(), true));
createController.Save = (name, content) =>
{
if (string.IsNullOrEmpty(name))
{
throw new InvalidOperationException("Please enter a name for the file");
}
//If different name & exists somewhere else
if (!name.Equals(key))
{
if (weakCtrl.Get()?.IsDuplicateName(name) == true)
{
throw new InvalidOperationException("A filename by that type already exists");
}
}
if (originalGist?.Files.ContainsKey(key) == true)
{
model.Files[key] = new GistFileUpdate {
Content = content, NewFileName = name
}
}
;
else
{
model.Files.Remove(key);
model.Files[name] = new GistFileUpdate {
Content = content
};
}
};
weakCtrl.Get()?.NavigationController.PushViewController(createController, true);
}));
}
public EditSource(GistEditViewController dvc)
: base(dvc)
{
}