public static FocusUndoer CommitUmlOperationFocus(IFocus focus, object model, object value, bool isRedo, out bool isCancelled)
{
var ope = (UmlOperation)model;
var oldName = ope.Name;
var oldVisibility = ope.Visibility;
var oldParams = ope.Parameters;
var oldTypeName = ope.TypeName;
var strs = ((StyledText)value).Lines;
var newValue = strs.Any() ? strs[0] : "";
string newVisibilityText, newName, newParams, newTypeName;
isCancelled = !UmlTextUtil.ParseUmlOperation(newValue, out newVisibilityText, out newName, out newParams, out newTypeName);
if (isCancelled)
{
return(null);
}
var newVisibility = UmlTextUtil.GetVisibility(newVisibilityText);
if (newName == oldName && newVisibility == oldVisibility && newParams == oldParams && newTypeName == oldTypeName)
{
return(null);
}
else
{
ope.Name = newName;
ope.Visibility = UmlTextUtil.GetVisibility(newVisibilityText);
ope.Parameters = newParams;
ope.TypeName = newTypeName;
return((f, m) => {
var o = (UmlOperation)m;
o.Name = oldName;
o.Visibility = oldVisibility;
o.Parameters = oldParams;
o.TypeName = oldTypeName;
});
}
}
public static FocusUndoer CommitUmlPropertyFocus(IFocus focus, object model, object value, bool isRedo, out bool isCancelled)
{
var prop = (UmlProperty)model;
var oldName = prop.Name;
var oldVisibility = prop.Visibility;
var oldTypeName = prop.TypeName;
var strs = ((StyledText)value).Lines;
var newValue = strs.Any() ? strs[0] : "";
string newVisibilityText, newName, newTypeName;
isCancelled = !UmlTextUtil.ParseUmlProperty(newValue, out newVisibilityText, out newName, out newTypeName);
if (isCancelled)
{
return(null);
}
var newVisibility = UmlTextUtil.GetVisibility(newVisibilityText);
if (newName == oldName && newVisibility == oldVisibility && newTypeName == oldTypeName)
{
return(null);
}
else
{
prop.Name = newName;
prop.Visibility = UmlTextUtil.GetVisibility(newVisibilityText);
prop.TypeName = newTypeName;
return((f, m) => {
var p = (UmlProperty)m;
p.Name = oldName;
p.Visibility = oldVisibility;
p.TypeName = oldTypeName;
});
}
}