private void Contains(object obj)
{
if (SelectedTree == null)
{
MessageBox.Show("No active tree", "Error", MessageBoxButton.OK, MessageBoxImage.Error);
}
else
{
string result;
View.ContainsWindow containsWindow = new View.ContainsWindow();
if (containsWindow.ShowDialog() == true)
{
result = (SelectedTree.Contains(containsWindow.Value) ? "Exists" : "Doesn`t exists!");
MessageBox.Show(result, "Result", MessageBoxButton.OK, MessageBoxImage.Asterisk);
}
else if (containsWindow.DialogResult.HasValue && !containsWindow.DialogResult.Value)
{
return;
}
else
{
MessageBox.Show("Invalid Operation", "Error", MessageBoxButton.OK, MessageBoxImage.Error);
}
}
}
private void GetMin(object obj)
{
try
{
MessageBox.Show("Minimum: " + SelectedTree.GetMin(), "INFO", MessageBoxButton.OK);
}
catch (NullReferenceException) { MessageBox.Show("No active tree", "Error", MessageBoxButton.OK, MessageBoxImage.Error); }
}
private void AddElementToTree(object obj)
{
try
{
this.SelectedTree.AddItem(Convert.ToDouble(obj));
SelectedTree.TreeString = SelectedTree.GetString();
}
catch (NullReferenceException) { MessageBox.Show("You need to create tree first", "Error", MessageBoxButton.OK, MessageBoxImage.Error); }
catch (FormatException) { MessageBox.Show("Incorect input", "Error", MessageBoxButton.OK, MessageBoxImage.Error); }
//catch (Exception) { MessageBox.Show("Unknown error", "Error", MessageBoxButton.OK, MessageBoxImage.Error); }
}
private void RemoveElementFromTree(object obj)
{
try
{
if (obj != null)
{
this.SelectedTree.Remove(Convert.ToDouble(obj));
}
SelectedTree.TreeString = null;
SelectedTree.TreeString = SelectedTree.GetString();
}
catch (NullReferenceException)
{
MessageBox.Show("No active tree", "Error", MessageBoxButton.OK, MessageBoxImage.Error);
}
catch (Exception)
{
MessageBox.Show("Incorrect input", "Error", MessageBoxButton.OK, MessageBoxImage.Error);
}
}
/// <summary>
/// 将枚举名称转换为下拉选择数据
/// </summary>
/// <returns></returns>
public static List <SelectedTree> EnumTreeData(this Type enumType)
{
var data = new List <SelectedTree>();
const BindingFlags bindingFlags = BindingFlags.Public | BindingFlags.GetField | BindingFlags.DeclaredOnly | BindingFlags.Static;
foreach (FieldInfo field in enumType.GetFields(bindingFlags))
{
var fieldValue = field.GetRawConstantValue().ToString();
var filedName = GetDisplayName(field);
var item = new SelectedTree()
{
Id = fieldValue,
Name = filedName,
ParentId = "0"
};
data.Add(item);
}
return(data);
}
