public QuestionsPage(int position = 0) : base()
{
InitializeComponent();
Xamarin.Forms.PlatformConfiguration.iOSSpecific.Page.SetUseSafeArea(this, true);
BindingContext = new QuestionsViewModel(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 QuestionsEditPage(new Questions(), new Action <Questions>(OnResult)));
}
})
};
ToolbarItems.Add(cancel);
if (Device.Android == Device.RuntimePlatform)
{
cancel.Icon = "toolbar_add.png";
}
this.QuestionsListView.ItemSelected += async delegate
{
var questions = QuestionsListView.SelectedItem as Questions;
if (questions == null)
{
return;
}
var questionsDetails = new QuestionsDetailsPage(questions);
await NavigationService.PushAsync(Navigation, questionsDetails);
this.QuestionsListView.SelectedItem = null;
};
ViewModel.GetClientQuestionsAsync();
}
public QuestionsSearchPage() : base()
{
InitializeComponent();
Xamarin.Forms.PlatformConfiguration.iOSSpecific.Page.SetUseSafeArea(this, true);
BindingContext = new SearchViewModel(3);
this.SearchsListView.ItemSelected += async delegate
{
var search = SearchsListView.SelectedItem as Portable.Model.Search;
if (search == null)
{
return;
}
var id = 0;
if (int.TryParse(search.Uri.Substring(search.Uri.TrimEnd('/').LastIndexOf("/") + 1).TrimEnd('/'), out id))
{
var questions = new Questions()
{
Qid = id,
Title = search.Title,
Content = search.Content,
Award = 0,
QuestionUserInfo = new QuestionUserInfo
{
UserName = search.UserName,
IconName = search.UserAlias
},
DateAdded = search.PublishTime,
DiggCount = search.VoteTimes,
AnswerCount = search.CommentTimes,
ViewCount = search.ViewTimes
};
var articlesDetails = new QuestionsDetailsPage(questions);
await NavigationService.PushAsync(Navigation, articlesDetails);
}
this.SearchsListView.SelectedItem = null;
};
}
public QuestionsSearchPage() : base()
{
InitializeComponent();
BindingContext = new SearchViewModel(3);
this.SearchsListView.ItemSelected += async delegate
{
var search = SearchsListView.SelectedItem as Search;
if (search == null)
{
return;
}
var id = search.Uri.Substring(search.Uri.LastIndexOf("/") + 1);
var questions = new Questions()
{
Qid = int.Parse(id),
Title = search.Title,
Content = search.Content,
Award = 0,
QuestionUserInfo = new QuestionUserInfo
{
UserName = search.UserName,
IconName = search.UserAlias
},
DateAdded = search.PublishTime,
DiggCount = search.VoteTimes,
AnswerCount = search.CommentTimes,
ViewCount = search.ViewTimes
};
var articlesDetails = new QuestionsDetailsPage(questions);
await NavigationService.PushAsync(Navigation, articlesDetails);
this.SearchsListView.SelectedItem = null;
};
}
protected override void OnAppearing()
{
base.OnAppearing();
if (!hasInitialization)
{
BindingContext = new QuestionsViewModel(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 QuestionsEditPage(new Questions(), new Action <Questions>(OnResult)));
}
}),
Icon = "toolbar_add.png"
};
ToolbarItems.Add(cancel);
this.QuestionsListView.HasFloatingView = true;
this.QuestionsListView.ItemSelected += async delegate {
var questions = QuestionsListView.SelectedItem as Questions;
this.QuestionsListView.SelectedItem = null;
if (questions == null)
{
return;
}
var questionsDetails = new QuestionsDetailsPage(questions);
await NavigationService.PushAsync(Navigation, questionsDetails);
};
var floatingView = new FloatingView();
this.QuestionsListView.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 QuestionsEditPage(new Questions()));
}
};
this.AbsoluteLayout.Children.Add(floatingView);
}
ViewModel.GetClientQuestionsAsync();
hasInitialization = true;
}
UpdatePage();
}