/// <inheritdoc />
public PickerDialogViewModel(
PickerDialog <PickerDialogViewModel> dialog,
IDialogPickerViewModel source)
{
_source = source ?? throw new ArgumentNullException(nameof(source));
_dialog = dialog ?? throw new ArgumentNullException(nameof(dialog));
_source.WeakSubscribe(
nameof(IDialogPickerViewModel.ItemsChanged),
OnItemsChanged);
}
public Task <bool> ShowPicker(IDialogPickerViewModel source)
{
var tcs = new TaskCompletionSource <bool>();
var dialog = new PickerDialog <PickerDialogViewModel>();
var pickerViewModel = new PickerDialogViewModel(dialog, source);
dialog
.Show(
source.Title,
callback: v => tcs.TrySetResult(true),
pickerViewModel,
pickerCallback: v =>
{
foreach (var selectedItem in source.SelectedItems)
{
v.Select(selectedItem.Row, selectedItem.Component, animated: false);
}
},
cancelCallback: () => tcs.TrySetResult(false));
return(tcs.Task);
}
