protected virtual void HookTextChanged(Dialog dialog, EditText txt, Action <PromptTextChangedArgs> onChange)
{
if (onChange == null)
{
return;
}
var buttonId = (int)Android.Content.DialogButtonType.Positive;
var promptArgs = new PromptTextChangedArgs {
Value = String.Empty
};
dialog.ShowEvent += (sender, args) =>
{
onChange(promptArgs);
((AlertDialog)dialog).GetButton(buttonId).Enabled = promptArgs.IsValid;
};
txt.AfterTextChanged += (sender, args) =>
{
promptArgs.IsValid = true;
promptArgs.Value = txt.Text;
onChange(promptArgs);
((AlertDialog)dialog).GetButton(buttonId).Enabled = promptArgs.IsValid;
if (!txt.Text.Equals(promptArgs.Value))
{
txt.Text = promptArgs.Value;
txt.SetSelection(txt.Text.Length);
}
};
}
static void ValidatePrompt(UITextField txt, UIAlertAction btn, PromptConfig config)
{
var args = new PromptTextChangedArgs {
Value = txt.Text
};
config.OnTextChanged(args);
btn.Enabled = args.IsValid;
if (!txt.Text.Equals(args.Value))
{
txt.Text = args.Value;
}
}
protected virtual void HookTextChanged(Dialog dialog, EditText txt, PromptConfig config)
{
if (config.OnTextChanged == null)
{
return;
}
// HACK: this is a temporary fix to deal with restarting input and causing the result action to fire
// this will at least block completion of your prompt via the soft keyboard
txt.ImeOptions = ImeAction.None;
var buttonId = (int)DialogButtonType.Positive;
var promptArgs = new PromptTextChangedArgs {
Value = String.Empty
};
dialog.ShowEvent += (sender, args) =>
{
config.OnTextChanged(promptArgs);
this.GetButton(dialog, buttonId).Enabled = promptArgs.IsValid;
//this.ChangeImeOption(config, txt, promptArgs.IsValid);
};
txt.AfterTextChanged += (sender, args) =>
{
promptArgs.IsValid = true;
promptArgs.Value = txt.Text;
config.OnTextChanged(promptArgs);
this.GetButton(dialog, buttonId).Enabled = promptArgs.IsValid;
//this.ChangeImeOption(config, txt, promptArgs.IsValid);
if (!txt.Text.Equals(promptArgs.Value))
{
txt.Text = promptArgs.Value;
txt.SetSelection(txt.Text.Length);
}
};
}
public override IDisposable Prompt(PromptConfig config)
{
Dispatch(() =>
{
var dialog = new FormsContentDialog()
{
DataContext = config,
Title = config.Title,
// Content will be set
IsPrimaryButtonEnabled = true,
PrimaryButtonText = config.OkText,
IsSecondaryButtonEnabled = config.IsCancellable,
SecondaryButtonText = config.CancelText
};
if (config.InputType == Acr.UserDialogs.InputType.Password || config.InputType == Acr.UserDialogs.InputType.NumericPassword)
{
var control = new PasswordPromptControl();
control.PasswordEdit.PasswordChanged += (s, e) =>
{
config.Text = control.PasswordEdit.Password;
if (config.OnTextChanged != null)
{
var args = new PromptTextChangedArgs()
{
Value = control.PasswordEdit.Password
};
config.OnTextChanged(args);
dialog.IsPrimaryButtonEnabled = args.IsValid;
if (control.PasswordEdit.Password != args.Value)
{
control.PasswordEdit.Password = args.Value;
}
}
};
dialog.Content = control;
// First run of text changed
if (config.OnTextChanged != null)
{
var args = new PromptTextChangedArgs()
{
Value = control.PasswordEdit.Password
};
config.OnTextChanged(args);
dialog.IsPrimaryButtonEnabled = args.IsValid;
control.PasswordEdit.Password = args.Value;
}
}
else
{
var control = new DefaultPromptControl();
control.TextEdit.TextChanged += (s, e) =>
{
if (config.OnTextChanged != null)
{
var args = new PromptTextChangedArgs()
{
Value = control.TextEdit.Text
};
config.OnTextChanged(args);
dialog.IsPrimaryButtonEnabled = args.IsValid;
if (control.TextEdit.Text != args.Value)
{
int selStart = control.TextEdit.SelectionStart;
control.TextEdit.Text = args.Value;
control.TextEdit.SelectionStart = selStart;
}
}
};
dialog.Content = control;
// First run of text changed
if (config.OnTextChanged != null)
{
var args = new PromptTextChangedArgs()
{
Value = control.TextEdit.Text
};
config.OnTextChanged(args);
dialog.IsPrimaryButtonEnabled = args.IsValid;
int selStart = control.TextEdit.SelectionStart;
control.TextEdit.Text = args.Value;
control.TextEdit.SelectionStart = selStart;
}
}
dialog.PrimaryButtonClick += (s, e) => { HideContentDialog(); config.OnAction(new PromptResult(true, config.Text)); e.Cancel = true; };
dialog.SecondaryButtonClick += (s, e) => { HideContentDialog(); config.OnAction(new PromptResult(false, config.Text)); e.Cancel = true; };
ShowContentDialog(dialog);
});
return(new DisposableAction(HideContentDialog));
}
