private void DomNode_AttributeChanged(object sender, AttributeEventArgs e)
{
if (e.DomNode == this.DomNode)
{
return;
}
if (!e.AttributeInfo.Equivalent(e.DomNode.Type.IdAttribute))
{
string originalName;
if (m_intsToOriginal.TryGetValue(e.DomNode, out originalName))
{
ObjectOverride objectOverride;
m_overridesMap.TryGetValue(originalName, out objectOverride);
if (objectOverride == null)
{
objectOverride = ObjectOverride.Create(originalName);
m_overrideList.Add(objectOverride);
m_overridesMap.Add(originalName, objectOverride);
}
AttributeOverride attrOverride = objectOverride.GetOrCreateByName(e.AttributeInfo.Name);
attrOverride.AttribValue = e.AttributeInfo.Type.Convert(e.NewValue);
}
}
}
public static AttributeOverride Create(string name, string value)
{
if (string.IsNullOrWhiteSpace(name))
{
throw new InvalidOperationException("name cannot be null or empty");
}
DomNode node = new DomNode(Schema.attributeOverrideType.Type);
AttributeOverride attrOverride = node.As <AttributeOverride>();
attrOverride.Name = name;
attrOverride.AttribValue = value;
return(attrOverride);
}
/// <summary>
/// Gets AttributeOverride by name
/// if not found then it will create new instacne</summary>
public AttributeOverride GetOrCreateByName(string name)
{
if (string.IsNullOrWhiteSpace(name))
{
throw new InvalidOperationException("name cannot be null or empty");
}
//note:linear search is OK there are not many items.
// find AttributeOverride by name.
foreach (var attrib in m_overrides)
{
if (attrib.Name == name)
{
return(attrib);
}
}
// if not found create new instance and add it to the list.
AttributeOverride attrOverride = AttributeOverride.Create(name, "");
m_overrides.Add(attrOverride);
return(attrOverride);
}
