public static bool ParseMultiplicityString(string newCardinality, out uint?lower, out UnlimitedNatural upper)
{
try
{
if (newCardinality.Contains(".."))
{
int pos = newCardinality.IndexOf("..");
lower = ParseNullabelUint(newCardinality.Substring(0, pos));
upper = ParseUnlimitedNatural(newCardinality.Substring(pos + 2));
}
else
{
lower = uint.Parse(newCardinality);
upper = (UnlimitedNatural)lower;
}
return(true);
}
catch (FormatException)
{
ErrDialog errorDialog = new ErrDialog();
errorDialog.Title = "Bad cardinality format";
errorDialog.label1.Text = "Solution:";
errorDialog.textBlock1.Content = CommandError.CMDERR_CARDINALITY_FORMAT + newCardinality;
errorDialog.label2.Text = "";
errorDialog.tbCommand.Text = "Input cardinality in following format: '<lower>..<upper>' or '<cardinality>' or '<lower>..*'";
errorDialog.tbExMsg.Visibility = Visibility.Collapsed;
errorDialog.ShowDialog();
lower = 0;
upper = 0;
return(false);
}
}
/// <summary>
/// Checks whether the new operation name is unique
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void CheckUniqueOperationName(object sender, RoutedEventArgs e)
{
Operation oldContext = (Operation)((TextBox)sender).DataContext;
if (oldContext.Name.Equals(((TextBox)sender).Text))
{
return;
}
foreach (Operation p in oldContext.Class.Operations)
{
if (p.Name.Equals(((TextBox)sender).Text))
{
// Refuse new value
ErrDialog d = new ErrDialog();
d.SetText("Update operation\n", "Name \"" + ((TextBox)sender).Text + "\" cannot be used because it is already used in the collection.");
d.ShowDialog();
((TextBox)sender).DataContext = null;
((TextBox)sender).DataContext = oldContext;
return;
}
}
}
/// <summary>
/// Checks whether the new class name is unique
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void CheckUniqueClassName(object sender, RoutedEventArgs e)
{
Class oldContext = (Class)((TextBox)sender).DataContext;
if (oldContext.Name.Equals(((TextBox)sender).Text))
{
return;
}
foreach (Class c in oldContext.Schema.Model.Classes)
{
if (c.Name.Equals(((TextBox)sender).Text))
{
// Refuse new value
ErrDialog d = new ErrDialog();
d.SetText("Rename element\n", "Name \"" + ((TextBox)sender).Text + "\" cannot be used because it is already used in the collection.");
d.ShowDialog();
((TextBox)sender).DataContext = null;
((TextBox)sender).DataContext = oldContext;
return;
}
}
}
private void CheckUniqueAliasName(object sender, RoutedEventArgs e)
{
PSMAttribute oldContext = (PSMAttribute)((TextBox)sender).DataContext;
string text = ((TextBox)sender).Text;
if (text == String.Empty)
{
text = null;
}
if (oldContext.AliasOrName == text)
{
return;
}
foreach (PSMAttribute p in oldContext.AttributeContainer.PSMAttributes)
{
if (p.AliasOrName == text)
{
ErrDialog d = new ErrDialog();
d.SetText("Change alias of an attribute on a PSM diagram\n", "Name \"" + text + "\" cannot be used because it is already used in the collection.");
d.ShowDialog();
((TextBox)sender).DataContext = null;
((TextBox)sender).DataContext = oldContext;
return;
}
}
}
private void CheckUniqueAliasName(object sender, RoutedEventArgs e)
{
PSMAttribute oldContext = (PSMAttribute)((TextBox)sender).DataContext;
string alias = oldContext.AliasOrName;
if (alias.Equals(((TextBox)sender).Text))
{
return;
}
if (oldContext.AttributeContainer != null)
{
foreach (PSMAttribute p in oldContext.AttributeContainer.PSMAttributes)
{
if (p.Alias.Equals(((TextBox)sender).Text))
{
ErrDialog d = new ErrDialog();
d.SetText("Change alias of an attribute on a PSM diagram\n", "Name \"" + ((TextBox)sender).Text + "\" cannot be used because it is already used in the collection.");
d.ShowDialog();
((TextBox)sender).DataContext = null;
((TextBox)sender).DataContext = oldContext;
return;
}
}
}
else
if (oldContext.Class != null)
{
foreach (PSMAttribute p in oldContext.Class.PSMAttributes)
{
if (!string.IsNullOrEmpty(p.Alias) &&
p.Alias.Equals(((TextBox)sender).Text))
{
ErrDialog d = new ErrDialog();
d.SetText("Change alias of an attribute on a PSM diagram\n", "Name \"" + ((TextBox)sender).Text + "\" cannot be used because it is already used in the collection.");
d.ShowDialog();
((TextBox)sender).DataContext = null;
((TextBox)sender).DataContext = oldContext;
return;
}
}
}
}
/// <summary>
/// Executes "Undo" of the command. This means removing the command from the "Undo" stack and moving it
/// to the "Redo" stack and calling
/// <see cref="CommandBase.UndoOperation"/>.
/// </summary>
public override sealed void UnExecute()
{
// assert the command is at the top of the undo stack
Debug.Assert(UndoStack != null && UndoStack.Count > 0 && UndoStack.Peek() == this);
// pop command from the undo stack
UndoStack.Pop();
// push command to the redo stack
// call the actual undo method
if (UndoOperation() == OperationResult.OK)
{
Debug.WriteLine(string.Format("Undo of command {0} executed", this));
RedoStack.Push(this);
}
else
{
Debug.WriteLine(string.Format("ERROR: undo of command {0} failed!", this));
ErrDialog d = new ErrDialog();
d.tbCommand.Text = string.Format("Undo of command {0} failed.", this);
d.tbExMsg.Text = this.ErrorDescription;
d.ShowDialog();
UndoStack.Invalidate();
}
}