public WriteTopicView()
{
InitializeComponent();
var controls = new List <Control> {
Option, Send, Title, Body
};
var load = Observable.FromEventPattern <RoutedEventArgs>(WrittenPage, nameof(WrittenPage.Loaded))
.SelectMany(x => ApiClient.GetNodes())
.Retry(10)
.Subscribe(x => _nodes.AddRange(x));
var wrriten = Observable.FromEventPattern <TappedRoutedEventArgs>(Send, nameof(Send.Tapped))
.Select(async x =>
{
if (Title.Text.Length == 0)
{
return(WrritenStatus.TitleEmpty);
}
if (Title.Text.Length > 120)
{
return(WrritenStatus.TitleLonger);
}
if (Body.Text.Length > 20000)
{
return(WrritenStatus.BodyLonger);
}
if (!_nodes.Exists(node => node.Title.Contains(Option.Text)))
{
return(WrritenStatus.NotExistNode);
}
var url = $"https://www.v2ex.com/new/{Option.Text}";
var html = await ApiClient.OnlyGet(url);
var once = new HtmlParser().ParseDocument(html).QuerySelector("input[name='once']").GetAttribute("value");
var param = new Dictionary <string, string>
{
{ "once", once },
{ "content", Body.Text },
{ "title", Title.Text }
};
await ApiClient.NewTopic(url, new FormUrlEncodedContent(param), Option.Text);
return(WrritenStatus.Success);
})
.ObserveOnCoreDispatcher()
.Subscribe(async x =>
{
controls.ForEach(y => y.IsEnabled = false);
try
{
switch (await x)
{
case WrritenStatus.NotExistNode:
Toast.ShowTips("节点不存在");
break;
case WrritenStatus.TitleEmpty:
Toast.ShowTips("标题字数不能为0");
break;
case WrritenStatus.TitleLonger:
Toast.ShowTips("标题字数不能超过120");
break;
case WrritenStatus.BodyLonger:
Toast.ShowTips("正文字数不能超过20000");
break;
case WrritenStatus.Success:
Toast.ShowTips("发表成功");
PageStack.Back();
break;
}
}
catch
{
Toast.ShowTips("发表失败");
}
});
var type = Observable
.FromEventPattern <AutoSuggestBoxTextChangedEventArgs>(Option, nameof(Option.TextChanged))
.Throttle(TimeSpan.FromMilliseconds(300))
.Select(x => _nodes.Where(node => node.Title.Contains(Option.Text)))
.ObserveOnCoreDispatcher()
.Subscribe(x =>
{
foreach (var node in x)
{
Show.Add(node);
}
});
var choose = Observable
.FromEventPattern <AutoSuggestBoxSuggestionChosenEventArgs>(Option, nameof(Option.SuggestionChosen))
.ObserveOnCoreDispatcher()
.Subscribe(x => Option.Text = (x.EventArgs.SelectedItem as NodeModel).Title);
_events = new List <IDisposable> {
load, wrriten, type, choose
};
}
public MainPage()
{
InitializeComponent();
RightPart = RightFrame;
LeftPart = LeftPivot;
PageStack.Next("Right", "Right", typeof(BlankPage), null);
SystemNavigationManager.GetForCurrentView().BackRequested += (sender, el) =>
{
el.Handled = true;
if (PageStack.CanGoBack)
{
PageStack.Back();
}
};
var leftChanged = Observable
.FromEventPattern <SizeChangedEventArgs>(LeftPivot, nameof(LeftPivot.SizeChanged))
.ObserveOnCoreDispatcher()
.Subscribe(x =>
{
var headerpanel = FindVisualChildren <PivotHeaderPanel>(LeftPivot).ToList();
var totalwidth = LeftPivot.ActualWidth;
headerpanel[0].Width = totalwidth;
var items = FindVisualChildren <PivotHeaderItem>(headerpanel[0]).ToList();
for (var i = 0; i < items.Count; i++)
{
items[i].Width = totalwidth / items.Count - 1;
}
});
var rightChanged = Observable
.FromEventPattern <SizeChangedEventArgs>(RightFrame, nameof(RightFrame.SizeChanged))
.ObserveOnCoreDispatcher()
.Subscribe(x =>
{
if (RootGrid.ActualWidth > 600)
{
LeftPivot.Width = 500;
LeftPivot.Visibility = Visibility.Visible;
RightFrame.Visibility = Visibility.Visible;
RightFrame.SetValue(RelativePanel.RightOfProperty, LeftPivot);
LeftPivot.SetValue(RelativePanel.AlignBottomWithPanelProperty, true);
LeftPivot.SetValue(RelativePanel.AlignTopWithPanelProperty, true);
LeftPivot.SetValue(RelativePanel.AlignLeftWithPanelProperty, true);
LeftPivot.SetValue(RelativePanel.AlignRightWithPanelProperty, false);
RightFrame.SetValue(RelativePanel.AlignBottomWithPanelProperty, true);
RightFrame.SetValue(RelativePanel.AlignTopWithPanelProperty, true);
RightFrame.SetValue(RelativePanel.AlignRightWithPanelProperty, true);
RightFrame.SetValue(RelativePanel.AlignLeftWithPanelProperty, false);
}
else
{
LeftPivot.Width = double.NaN;
if (RightFrame.CanGoBack)
{
LeftPivot.Visibility = Visibility.Visible;
RightFrame.Visibility = Visibility.Collapsed;
}
else
{
LeftPivot.Visibility = Visibility.Collapsed;
RightFrame.Visibility = Visibility.Visible;
}
LeftPivot.SetValue(RelativePanel.AlignBottomWithPanelProperty, true);
LeftPivot.SetValue(RelativePanel.AlignTopWithPanelProperty, true);
LeftPivot.SetValue(RelativePanel.AlignLeftWithPanelProperty, true);
LeftPivot.SetValue(RelativePanel.AlignRightWithPanelProperty, true);
RightFrame.SetValue(RelativePanel.AlignBottomWithPanelProperty, true);
RightFrame.SetValue(RelativePanel.AlignTopWithPanelProperty, true);
RightFrame.SetValue(RelativePanel.AlignRightWithPanelProperty, true);
RightFrame.SetValue(RelativePanel.AlignLeftWithPanelProperty, true);
}
});
_events = new List <IDisposable> {
leftChanged, rightChanged
};
}