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Question
How do I show an Enum Selection Dialog?
Answer
To show a selection Dialog for values from a given Enum and returns the selected value. (using generics) Simply use the following code:
public T ShowEnumSelectionDialog<t>() {
GUIDialogSelect2 dlgSelect =
(GUIDialogSelect2)GUIWindowManager.GetWindow((int)GUIWindow.Window.WINDOW_DIALOG_SELECT2);
dlgSelect.Reset();
dlgSelect.SetHeading("Selection: " + typeof(T).ToString());
Enum.GetNames(typeof(T)).ToList().ForEach(dlgSelect.Add);
dlgSelect.DoModal(GUIWindowManager.ActiveWindow);
try {
return Enum<t>.Parse(dlgSelect.SelectedLabelText);
} catch {
return default (T);
}
}
</t></t>
* 'T' must be of Enum type
Helper class for parsing enum value:
public static class Enum<t> {
public static T Parse(string value) {
return (T)Enum.Parse(typeof(T), value);
}
public static IList<t> GetValues() {
IList<t> list = new List<t>();
foreach (object value in Enum.GetValues(typeof(T))) {
list.Add((T)value);
}
return list;
}
}
</t></t></t></t>
Usage:
MyEnum myEnumValue = ShowEnumSelectionDialog<myenum>();
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