public override void ValidateData()
{
var newText = txtComment.Text;
var changeNameCommand = new ChangePropertyCommand <CommentShape, string>(shape, s => s.Comment.Text, (s, newValue) => s.Comment.Text = newValue, newText);
changeNameCommand.Execute();
shape.Diagram.TrackCommand(changeNameCommand);
}
protected bool SetBackingField <T>(
BackingField <T> field, T value, CommandHistory history, bool combineCommands
)
{
if ((field != null) && !EqualityComparer <T> .Default.Equals(field, value))
{
var command = new ChangePropertyCommand <T>(GetType(), field, value);
history.Execute(command, combineCommands);
OnPropertyChanged(field.PropertyName);
return(true);
}
return(false);
}
private bool TryValidateData()
{
try
{
var newName = txtName.Text;
var changeNameCommand = new ChangePropertyCommand <Shape, string>(shape, s => s.Entity.Name, (s, newValue) => s.Entity.Name = newValue, newName);
changeNameCommand.Execute();
shape.Diagram.TrackCommand(changeNameCommand);
errorProvider.SetError(this, null);
return(true);
}
catch (Exception e)
{
errorProvider.SetError(this, e.Message);
return(false);
}
}
private bool ValidateName()
{
if (!needValidation)
{
return(true);
}
try
{
var newName = shape.TypeBase.ValidateName(txtName.Text);
var changeNameCommand = new ChangePropertyCommand <TypeShape, string>(shape, s => s.TypeBase.Name, (s, newValue) => s.TypeBase.Name = newValue, newName);
changeNameCommand.Execute();
shape.Diagram.TrackCommand(changeNameCommand);
RefreshValues();
}
catch (BadSyntaxException ex)
{
SetError(ex.Message);
return(false);
}
return(true);
}
