public InputDisplayCondition(Input input, InputValueCondition condition, object value, bool conjunctive)
{
_input = input;
_condition = condition;
_value = value;
_conjunctive = conjunctive;
}
public InputDisplayCondition(Input input, InputValueCondition condition, object value, bool conjunctive)
{
_input = input;
_condition = condition;
_value = value;
_conjunctive = conjunctive;
}
public ScriptInputsPage(InputGroup inputGroup, List <InputGroup> previousInputGroups)
{
Title = "Inputs";
ListView inputsList = new ListView(ListViewCachingStrategy.RecycleElement);
inputsList.ItemTemplate = new DataTemplate(typeof(TextCell));
inputsList.ItemTemplate.SetBinding(TextCell.TextProperty, nameof(Input.Caption));
inputsList.ItemsSource = inputGroup.Inputs;
inputsList.ItemTapped += async(o, e) =>
{
if (inputsList.SelectedItem == null)
{
return;
}
Input selectedInput = inputsList.SelectedItem as Input;
int selectedIndex = inputGroup.Inputs.IndexOf(selectedInput);
List <string> actions = new List <string>();
if (selectedIndex > 0)
{
actions.Add("Move Up");
}
if (selectedIndex < inputGroup.Inputs.Count - 1)
{
actions.Add("Move Down");
}
actions.Add("Edit");
if (previousInputGroups != null && previousInputGroups.Select(previousInputGroup => previousInputGroup.Inputs.Count).Sum() > 0)
{
actions.Add("Add Display Condition");
}
if (selectedInput.DisplayConditions.Count > 0)
{
actions.AddRange(new string[] { "View Display Conditions" });
}
actions.Add("Delete");
string selectedAction = await DisplayActionSheet(selectedInput.Name, "Cancel", null, actions.ToArray());
if (selectedAction == "Move Up")
{
inputGroup.Inputs.Move(selectedIndex, selectedIndex - 1);
}
else if (selectedAction == "Move Down")
{
inputGroup.Inputs.Move(selectedIndex, selectedIndex + 1);
}
else if (selectedAction == "Edit")
{
ScriptInputPage inputPage = new ScriptInputPage(selectedInput);
await Navigation.PushAsync(inputPage);
inputsList.SelectedItem = null;
}
else if (selectedAction == "Add Display Condition")
{
string abortMessage = "Condition is not complete. Abort?";
SensusServiceHelper.Get().PromptForInputsAsync("Display Condition", new Input[]
{
new ItemPickerPageInput("Input:", previousInputGroups.SelectMany(previousInputGroup => previousInputGroup.Inputs.Cast <object>()).ToList()),
new ItemPickerPageInput("Condition:", Enum.GetValues(typeof(InputValueCondition)).Cast <object>().ToList()),
new ItemPickerPageInput("Conjunctive/Disjunctive:", new object[] { "Conjunctive", "Disjunctive" }.ToList())
},
null,
true,
null,
null,
abortMessage,
null,
false,
inputs =>
{
if (inputs == null)
{
return;
}
if (inputs.All(input => input.Valid))
{
Input conditionInput = ((inputs[0] as ItemPickerPageInput).Value as IEnumerable <object>).First() as Input;
InputValueCondition condition = (InputValueCondition)((inputs[1] as ItemPickerPageInput).Value as IEnumerable <object>).First();
bool conjunctive = ((inputs[2] as ItemPickerPageInput).Value as IEnumerable <object>).First().Equals("Conjunctive");
if (condition == InputValueCondition.IsComplete)
{
selectedInput.DisplayConditions.Add(new InputDisplayCondition(conditionInput, condition, null, conjunctive));
}
else
{
Regex uppercaseSplitter = new Regex(@"
(?<=[A-Z])(?=[A-Z][a-z]) |
(?<=[^A-Z])(?=[A-Z]) |
(?<=[A-Za-z])(?=[^A-Za-z])", RegexOptions.IgnorePatternWhitespace);
// show the user a required copy of the condition input and prompt for the condition value
Input conditionInputCopy = conditionInput.Copy(false);
conditionInputCopy.DisplayConditions.Clear();
conditionInputCopy.LabelText = "Value that " + conditionInputCopy.Name + " " + uppercaseSplitter.Replace(condition.ToString(), " ").ToLower() + ":";
conditionInputCopy.Required = true;
// ensure that the copied input cannot define a variable
if (conditionInputCopy is IVariableDefiningInput)
{
(conditionInputCopy as IVariableDefiningInput).DefinedVariable = null;
}
SensusServiceHelper.Get().PromptForInputAsync("Display Condition",
conditionInputCopy,
null,
true,
"OK",
null,
abortMessage,
null,
false,
input =>
{
if (input?.Valid ?? false)
{
selectedInput.DisplayConditions.Add(new InputDisplayCondition(conditionInput, condition, input.Value, conjunctive));
}
});
}
}
});
}
else if (selectedAction == "View Display Conditions")
{
await Navigation.PushAsync(new ViewTextLinesPage("Display Conditions", selectedInput.DisplayConditions.Select(displayCondition => displayCondition.ToString()).ToList(), null, () =>
{
selectedInput.DisplayConditions.Clear();
}));
}
else if (selectedAction == "Delete")
{
if (await DisplayAlert("Delete " + selectedInput.Name + "?", "This action cannot be undone.", "Delete", "Cancel"))
{
inputGroup.Inputs.Remove(selectedInput);
inputsList.SelectedItem = null; // manually reset, since it isn't done automatically.
}
}
};
ToolbarItems.Add(new ToolbarItem(null, "plus.png", async() =>
{
List <Input> inputs = Assembly.GetExecutingAssembly()
.GetTypes()
.Where(t => !t.IsAbstract && t.IsSubclassOf(typeof(Input)))
.Select(t => Activator.CreateInstance(t))
.Cast <Input>()
.OrderBy(i => i.Name)
.ToList();
string cancelButtonName = "Cancel";
string selected = await DisplayActionSheet("Select Input Type", cancelButtonName, null, inputs.Select((input, index) => (index + 1) + ") " + input.Name).ToArray());
if (!string.IsNullOrWhiteSpace(selected) && selected != cancelButtonName)
{
Input input = inputs[int.Parse(selected.Substring(0, selected.IndexOf(")"))) - 1];
if (input is VoiceInput && inputGroup.Inputs.Count > 0 || !(input is VoiceInput) && inputGroup.Inputs.Any(i => i is VoiceInput))
{
await SensusServiceHelper.Get().FlashNotificationAsync("Voice inputs must reside in groups by themselves.");
}
else
{
inputGroup.Inputs.Add(input);
await Navigation.PushAsync(new ScriptInputPage(input));
}
}
}));
Content = inputsList;
}
