public async Task <List <T> > ShowMultiSelectDialogAsync <T>(
List <T> sourceItems,
string displayMemberPath,
Func <T, string, bool> filter,
string dialogTitle,
string dialogPrimaryButtonText
)
{
var advancedSelectDialog = new AdvancedSelectDialog()
{
XamlRoot = _currentActiveWindowUIContextService.XamlRoot,
};
advancedSelectDialog.Title = dialogTitle;
advancedSelectDialog.PrimaryButtonText = dialogPrimaryButtonText;
advancedSelectDialog.SecondaryButtonText = "Cancel".Translate();
advancedSelectDialog.SetSourceItems(sourceItems, filter != null ? (x, s) => filter((T)x, s) : default(Func <object, string, bool>));
advancedSelectDialog.ItemDisplayMemberPath = displayMemberPath;
advancedSelectDialog.IsMultiSelection = true;
var result = await advancedSelectDialog.ShowAsync();
if (result == Windows.UI.Xaml.Controls.ContentDialogResult.Primary)
{
return(advancedSelectDialog.GetResultItems().Cast <T>().ToList());
}
else
{
return(new List <T>());
}
}
public async Task <T> ShowSingleSelectDialogAsync <T>(
List <T> sourceItems,
string displayMemberPath,
Func <T, string, bool> filter,
string dialogTitle,
string dialogPrimaryButtonText,
string dialogSecondaryButtonText = null,
Func <Task <T> > SecondaryButtonAction = null
)
{
var advancedSelectDialog = new AdvancedSelectDialog()
{
XamlRoot = _currentActiveWindowUIContextService.XamlRoot,
};
advancedSelectDialog.Title = dialogTitle;
advancedSelectDialog.PrimaryButtonText = dialogPrimaryButtonText;
advancedSelectDialog.CloseButtonText = "Cancel".Translate();
advancedSelectDialog.SetSourceItems(sourceItems, filter != null ? (x, s) => filter((T)x, s) : default(Func <object, string, bool>));
advancedSelectDialog.ItemDisplayMemberPath = displayMemberPath;
advancedSelectDialog.IsMultiSelection = false;
if (dialogSecondaryButtonText != null)
{
advancedSelectDialog.SecondaryButtonText = dialogSecondaryButtonText;
}
var result = await advancedSelectDialog.ShowAsync();
if (result == Windows.UI.Xaml.Controls.ContentDialogResult.Primary)
{
return((T)advancedSelectDialog.GetResultItems().FirstOrDefault());
}
else if (result == Windows.UI.Xaml.Controls.ContentDialogResult.Secondary)
{
return(await SecondaryButtonAction?.Invoke());
}
else
{
return(default(T));
}
}
