async Task <string[]> Show(SystemDialog d, Window parent, ManagedFileDialogOptions options = null)
{
var model = new ManagedFileChooserViewModel((FileSystemDialog)d,
options ?? new ManagedFileDialogOptions());
var dialog = new T
{
Content = new ManagedFileChooser(),
Title = d.Title,
DataContext = model
};
dialog.Closed += delegate { model.Cancel(); };
string[] result = null;
model.CompleteRequested += items =>
{
result = items;
dialog.Close();
};
model.CancelRequested += dialog.Close;
await dialog.ShowDialog <object>(parent);
return(result);
}
public static Task <string[]> ShowManagedAsync <TWindow>(this OpenFileDialog dialog, Window parent,
ManagedFileDialogOptions options = null) where TWindow : Window, new()
{
return(new ManagedSystemDialogImpl <TWindow>().ShowFileDialogAsync(dialog, parent, options));
}
public static Task <string[]> ShowManagedAsync(this OpenFileDialog dialog, Window parent,
ManagedFileDialogOptions options = null) => ShowManagedAsync <Window>(dialog, parent, options);
public async Task <string[]> ShowFileDialogAsync(FileDialog dialog, Window parent, ManagedFileDialogOptions options)
{
return(await Show(dialog, parent, options));
}
async Task <string[]> Show(SystemDialog d, Window parent, ManagedFileDialogOptions options = null)
{
var model = new ManagedFileChooserViewModel((FileSystemDialog)d,
options ?? new ManagedFileDialogOptions());
var dialog = new T
{
Content = new ManagedFileChooser(),
Title = d.Title,
DataContext = model
};
dialog.Closed += delegate { model.Cancel(); };
string[] result = null;
model.CompleteRequested += items =>
{
result = items;
dialog.Close();
};
model.OverwritePrompt += async(filename) =>
{
Window overwritePromptDialog = new Window()
{
Title = "Confirm Save As",
SizeToContent = SizeToContent.WidthAndHeight,
WindowStartupLocation = WindowStartupLocation.CenterOwner,
Padding = new Thickness(10),
MinWidth = 270
};
string name = Path.GetFileName(filename);
var panel = new DockPanel()
{
HorizontalAlignment = Layout.HorizontalAlignment.Stretch
};
var label = new Label()
{
Content = $"{name} already exists.\nDo you want to replace it?"
};
panel.Children.Add(label);
DockPanel.SetDock(label, Dock.Top);
var buttonPanel = new StackPanel()
{
HorizontalAlignment = Layout.HorizontalAlignment.Right,
Orientation = Layout.Orientation.Horizontal,
Spacing = 10
};
var button = new Button()
{
Content = "Yes",
HorizontalAlignment = Layout.HorizontalAlignment.Right
};
button.Click += (sender, args) =>
{
result = new string[1] {
filename
};
overwritePromptDialog.Close();
dialog.Close();
};
buttonPanel.Children.Add(button);
button = new Button()
{
Content = "No",
HorizontalAlignment = Layout.HorizontalAlignment.Right
};
button.Click += (sender, args) =>
{
overwritePromptDialog.Close();
};
buttonPanel.Children.Add(button);
panel.Children.Add(buttonPanel);
DockPanel.SetDock(buttonPanel, Dock.Bottom);
overwritePromptDialog.Content = panel;
await overwritePromptDialog.ShowDialog(dialog);
};
model.CancelRequested += dialog.Close;
await dialog.ShowDialog <object>(parent);
return(result);
}