public async Task <string> ShowMessageOkAlertPopup(
string titleText, string messageText,
string okButtonText)
{
TitleText = titleText;
MessageText = messageText;
OkButtonText = okButtonText;
var inputView = new MessageAlertOkView(titleText, messageText, okButtonText);
var page = new CustomGeneralPopupView <string>(inputView);
bool clicked = false;
inputView.OkButtonEventHandler += (sender, args) =>
{
if (clicked)
{
return;
}
clicked = true;
IsShowing = false;
page.PageClosingTaskCompletionSource.SetResult(okButtonText);
};
IsShowing = true;
return(await Navigate(page));
}
public async Task <string> ShowMoreOptionPopupView(string previousRoute)
{
var inputView = new MoreOptionPopup();
inputView.PreviousRoute = previousRoute;
var page = new CustomGeneralPopupView <string>(inputView);
bool clicked = false;
inputView.CancelButtonEventHandler += (sender, args) =>
{
if (clicked)
{
return;
}
clicked = true;
IsShowing = false;
page.PageClosingTaskCompletionSource.SetResult("Close");
};
IsShowing = true;
return(await Navigate(page));
}
public async Task <T> ShowCustomViewAlertPopup <T>(object viewObject)
{
var page = new CustomGeneralPopupView <T>((View)viewObject);
IsShowing = true;
return(await Navigate(page));
}
public async Task <object> ShowInputSelectionPopup(string titleText, List <object> selectionList, string cancelButtonText)
{
TitleText = titleText;
CancelButtonText = cancelButtonText;
var inputView = new MultipleInputSectionPopup(selectionList, titleText);
var page = new CustomGeneralPopupView <object>(inputView);
inputView.CancelButtonEventHandler += (sender, args) =>
{
page.PageClosingTaskCompletionSource.SetResult("Close");
};
bool clicked = false;
inputView.InputSelectionEventHandler += async(sender, args) =>
{
if (clicked)
{
return;
}
clicked = true;
page.PageClosingTaskCompletionSource.SetResult(((MultipleInputSectionPopup)sender).InputSelectionStringResult);
};
return(await Navigate(page));
}
public async Task <string> ShowInputTextOkCancelAlertPopup(string titleText, string messageText, string placeHolderText, string okButtonText,
string cancelButtonText, string validationLabelText)
{
TitleText = titleText;
MessageText = messageText;
OkButtonText = okButtonText;
PlaceHolderText = placeHolderText;
CancelButtonText = cancelButtonText;
ValidationLabelText = validationLabelText;
var inputView = new InputTextOkCancelView(
titleText,
messageText,
placeHolderText,
okButtonText,
cancelButtonText,
validationLabelText);
var page = new CustomGeneralPopupView <string>(inputView);
bool clicked = false;
inputView.OkButtonEventHandler += (sender, args) =>
{
if (!string.IsNullOrEmpty(((InputTextOkCancelView)sender).TextInputResult))
{
if (clicked)
{
return;
}
clicked = true;
((InputTextOkCancelView)sender).IsValidationLabelVisible = false;
page.PageClosingTaskCompletionSource.SetResult(((InputTextOkCancelView)sender).TextInputResult);
}
else
{
((InputTextOkCancelView)sender).IsValidationLabelVisible = true;
}
IsShowing = false;
};
inputView.CancelButtonEventHandler += (sender, args) =>
{
page.PageClosingTaskCompletionSource.SetResult(null);
IsShowing = false;
};
IsShowing = true;
return(await Navigate(page));
}
/// <summary>
/// Handle popup page Navigation
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="popup"></param>
/// <returns></returns>
private async Task <T> Navigate <T>(CustomGeneralPopupView <T> popup)
{
if (Device.RuntimePlatform == "Test")
{
return(default(T));
}
ThreadingHelpers.InvokeOnMainThread(async() =>
{
await _popupNavigation.PushAsync(popup);
});
// await for the user to enter the text input
var result = await popup.PageClosingTask;
// Pop the page from Navigation Stack
ThreadingHelpers.InvokeOnMainThread(async() =>
{
try
{
await _popupNavigation.RemovePageAsync(popup);
}
catch
{
try
{
await _popupNavigation.PopAsync();
}
catch
{
}
}
});
return(result);
}
