public override void OnApplyTemplate()
{
this.RichTextBox = this.GetTemplateChild(nameof(RichTextBoxEx)) as RichTextBoxEx;
this.TitleBox = this.GetTemplateChild("TitleBox") as TextBox;
//this.OpenCommand = new OpenCommand(this.RichTextBox, this.TitleBox);
this.RichTextBox.TextChanged += RichTextBox_TextChanged;
this.TitleBox.TextChanged += TitleBox_TextChanged;
this.Command = new OpenCommand(TitleBox, this.RichTextBox, textChanges, titleChanges);
}
//{
// return true;
//}
public OpenCommand(TextBox textBox, RichTextBoxEx richTextBox, IObservable <string> textChanges, IObservable <string> titleChanges)
{
var ddd = Changes.Where(_ => _.GetType() != typeof(DocumentObject))
.Select(_ => new { properties = _.GetType().GetProperties(), obj = _ }).CombineLatest(
textChanges,
titleChanges,
async(a, b, c) => await Task.Run(
() =>
{
string text = (string)a.properties.SingleOrDefault(v => v.Name == b)?.GetValue(a.obj);
string title = (string)a.properties.SingleOrDefault(v => v.Name == c)?.GetValue(a.obj);
return(Tuple.Create(text, title));
}).ToObservable()).SelectMany(_ => _);
//.ObserveOnDispatcher()
//.Subscribe(
// async _ => await richTextBox.Dispatcher.InvokeAsync(async () =>
// {
// var xx = await _;
// richTextBox.SetTextRange(xx.text);/*.Load(new MemoryStream(Encoding.ASCII.GetBytes(xx.text)), DataFormats.Text);*/
// textBox.Text = xx.title;
// },DispatcherPriority.Background));
var eee = Changes.Where(_ => _.GetType() == typeof(DocumentObject))
.Select(_ =>
{
DocumentObject documentObject = _ as DocumentObject;
return(Tuple.Create((string)documentObject.Text, documentObject.Title));
});
ddd.Merge <Tuple <string, string> >(eee)
.ObserveOnDispatcher()
.Subscribe(
async _ =>
await richTextBox.Dispatcher.InvokeAsync(async() =>
{
richTextBox.SetTextRange((string)_.Item1); /*GetTextRange().Load(new MemoryStream(Encoding.ASCII.GetBytes((string)xx.Text)), DataFormats.Text);*/
textBox.Text = _.Item2;
}, DispatcherPriority.Background));
//var text = ((parameter as FileObjectChangedEventArgs)?.Obj as TextObject)?.Text;
//if (text != null)
//{
// this.Editor.GetTextRange().Load(new MemoryStream(Encoding.ASCII.GetBytes(text)), DataFormats.Text);
//}
//var title = ((parameter as FileObjectChangedEventArgs)?.Obj as TextObject)?.Title;
//if (title != null)
//{
// (this.TitleEditor as TextBox).Text = title;
//}
}
