public MainWindow()
{
InitializeComponent();
DataContext = new ViewModels.MainWindowViewModel();
}
private void OnMainFileSaveAsMenuClicked(object sender, RoutedEventArgs e)
{
Microsoft.Win32.SaveFileDialog dialog = new Microsoft.Win32.SaveFileDialog();
dialog.Filter = FilterTxt + "|" +
FilterJson + "|" +
FilterXml + "|" +
FilterSoap + "|" +
FilterBinary;
dialog.FilterIndex = 1;
bool?dialogResult = dialog.ShowDialog();
if (dialogResult == true)
{
string filePath = dialog.FileName;
if (System.IO.File.Exists(filePath))
{
System.IO.File.Delete(filePath);
}
string content = "";
List <TodoTask> items = new List <TodoTask>();
ViewModels.MainWindowViewModel viewModel = (this.DataContext as ViewModels.MainWindowViewModel);
foreach (var todoTaskViewModel in viewModel.TodoTaskItems)
{
Models.TodoTask item = new Models.TodoTask();
item.Description = todoTaskViewModel.Description;
// todo: all properties
item.DueBy = todoTaskViewModel.DueBy;
item.IsCompleted = todoTaskViewModel.IsCompleted;
item.CompletedOn = todoTaskViewModel.CompletedOn;
items.Add(item);
}
if (dialog.FilterIndex == 1)
{
System.IO.StringWriter writer = new System.IO.StringWriter();
content = writer.ToString();
writer.Dispose();
}
else if (dialog.FilterIndex == 2)
{
string json = Newtonsoft
.Json
.JsonConvert
.SerializeObject(items);
content = json;
}
else if (dialog.FilterIndex == 3)
{
System.Xml.Serialization.XmlSerializer serializer =
new System.Xml.Serialization.XmlSerializer(typeof(List <TodoTask>));
System.IO.MemoryStream stream = new System.IO.MemoryStream();
serializer.Serialize(stream, items);
stream.Seek(0, System.IO.SeekOrigin.Begin);
System.IO.StreamReader reader = new System.IO.StreamReader(stream);
content = reader.ReadToEnd();
reader.Dispose();
stream.Dispose();
}
else if (dialog.FilterIndex == 4)
{
//System.Runtime.Serialization.Formatters.Soap.SoapFormatter serializer =
// new System.Runtime.Serialization.Formatters.Soap.SoapFormatter();
//System.IO.MemoryStream stream = new System.IO.MemoryStream();
//serializer.Serialize(stream, document);
//stream.Seek(0, System.IO.SeekOrigin.Begin);
//System.IO.StreamReader reader = new System.IO.StreamReader(stream);
//content = reader.ReadToEnd();
//reader.Dispose();
//stream.Dispose();
}
else
{
System.Runtime.Serialization.Formatters.Binary.BinaryFormatter serializer =
new System.Runtime.Serialization.Formatters.Binary.BinaryFormatter();
System.IO.MemoryStream stream = new System.IO.MemoryStream();
serializer.Serialize(stream, items);
stream.Seek(0, System.IO.SeekOrigin.Begin);
content = Convert.ToBase64String(stream.ToArray());
stream.Dispose();
}
System.IO.File.WriteAllText(filePath, content);
}
}