public StatusesPage(int position = 0) : base()
{
InitializeComponent();
Xamarin.Forms.PlatformConfiguration.iOSSpecific.Page.SetUseSafeArea(this, true);
BindingContext = new StatusesViewModel(position);
var cancel = new ToolbarItem
{
Text = "添加",
Command = new Command(async() =>
{
if (UserTokenSettings.Current.HasExpiresIn())
{
MessagingService.Current.SendMessage(MessageKeys.NavigateLogin);
}
else
{
await NavigationService.PushAsync(Navigation, new StatusesEditPage(new Statuses(), new Action <Statuses>(OnResult)));
}
})
};
ToolbarItems.Add(cancel);
if (Device.Android == Device.RuntimePlatform)
{
cancel.Icon = "toolbar_add.png";
}
this.StatusesListView.ItemSelected += async delegate
{
var statuses = StatusesListView.SelectedItem as Statuses;
if (statuses == null)
{
return;
}
var statusesDetails = new StatusesDetailsPage(statuses);
if (statuses.Id > 0)
{
await NavigationService.PushAsync(Navigation, statusesDetails);
}
this.StatusesListView.SelectedItem = null;
};
ViewModel.GetClientStatusesAsync();
}
protected override void OnAppearing()
{
base.OnAppearing();
if (!hasInitialization)
{
BindingContext = new StatusesViewModel(position);
var cancel = new ToolbarItem {
Text = "添加",
Command = new Command(async() => {
if (UserTokenSettings.Current.HasExpiresIn())
{
MessagingService.Current.SendMessage(MessageKeys.NavigateLogin);
}
else
{
await NavigationService.PushAsync(Navigation, new StatusesEditPage(new Statuses(), new Action <Statuses>(OnResult)));
}
}),
Icon = "toolbar_add.png"
};
ToolbarItems.Add(cancel);
this.StatusesListView.HasFloatingView = true;
this.StatusesListView.ItemSelected += async delegate {
var statuses = StatusesListView.SelectedItem as Statuses;
this.StatusesListView.SelectedItem = null;
if (statuses == null)
{
return;
}
var statusesDetails = new StatusesDetailsPage(statuses);
if (statuses.Id > 0)
{
await NavigationService.PushAsync(Navigation, statusesDetails);
}
};
var floatingView = new FloatingView();
this.StatusesListView.FloatingChanged += delegate(object sender, bool floating) {
if (Device.RuntimePlatform == Device.Android)
{
if (floating)
{
floatingView.ToggleFloatingView = true;
}
else
{
floatingView.ToggleFloatingView = false;
}
}
};
if (Device.RuntimePlatform == Device.Android)
{
floatingView.Image = "toolbar_add.png";
floatingView.ButtonColor = Color.FromHex("#E64A19");
AbsoluteLayout.SetLayoutBounds(floatingView, new Rectangle(1, .9, 80, 90));
AbsoluteLayout.SetLayoutFlags(floatingView, AbsoluteLayoutFlags.PositionProportional);
floatingView.Clicked += async delegate(object sender, EventArgs e) {
if (UserTokenSettings.Current.HasExpiresIn())
{
MessagingService.Current.SendMessage(MessageKeys.NavigateLogin);
}
else
{
await NavigationService.PushAsync(this.Navigation, new StatusesEditPage(new Statuses()));
}
};
this.AbsoluteLayout.Children.Add(floatingView);
}
ViewModel.GetClientStatusesAsync();
hasInitialization = true;
}
UpdatePage();
}
