private void LoadNode(IEnumerable nodes, Element parent)
{
foreach (XmlNode node in nodes)
{
// Create an instance of the control.
var control = CreateControlInstance(node, parent);
if (control == null) continue;
control.LogicalParent = parent;
control.Parent = parent;
if (node.Attributes != null)
{
// Get all the dependency properties (and those inherited) of the control.
var props = DependencyProperty.GetProperties(control.GetType());
List<DependencyProperty> parentProps = null;
// For each xml property, try and find a dependency property to set.
foreach (XmlAttribute xmlProperty in node.Attributes)
{
var propertyName = xmlProperty.Name;
var prop = props.FirstOrDefault(p => p.Name == propertyName);
if (prop != null)
{
if (prop.Attached)
throw new InvalidOperationException("Attached property cannot be set on the parent.");
// Convert the string value to the dependency property type.
var value = ConvertValue(xmlProperty.Value, prop.ValueType);
control.SetValue(prop, value);
}
// Attached properties.
else if (propertyName.Contains(".") && parent != null)
{
if (parentProps == null) // Get parent properties only when needed and only once.
parentProps = DependencyProperty.GetProperties(parent.GetType());
var parts = propertyName.Split('.');
if (parts.Length == 2)
{
var parentName = parts[0];
propertyName = parts[1];
var parentType = parent.GetType();
if (parentType.Name == parentName)
{
prop = parentProps.FirstOrDefault(p => p.Attached && p.Name == propertyName);
if (prop != null)
{
var value = ConvertValue(xmlProperty.Value, prop.ValueType);
control.SetValue(prop, value);
}
}
else
throw new InvalidOperationException("No parent found matching " + parentName);
}
}
}
}
// Add element to parent or set as root element.
if (parent == null)
manager.AddRootElement(control);
else
parent.Add(control);
LoadNode(node.ChildNodes, control);
}
}
private void LoadNode(IEnumerable nodes, Element parent)
{
foreach (XmlNode node in nodes)
{
var control = CreateControlInstance(node, parent);
if (control == null) continue;
var props = TypeDescriptor.GetProperties(control.GetType());
// Set attributes.
if (node.Attributes != null)
{
foreach (XmlAttribute xmlProperty in node.Attributes)
{
var propertyName = xmlProperty.Name;
var propertyDescriptor = props[propertyName];
if (propertyDescriptor != null)
{
object value = null;
// Convert the attribute to a value using a converter or Convert.ChangeType.
var found = false;
for (var i = 0; i < converters.Count; i++)
{
var converter = converters[i];
if (converter.CanConvert(propertyDescriptor.PropertyType))
{
value = converter.Convert(propertyDescriptor.PropertyType, xmlProperty.Value);
found = true;
break;
}
}
if (!found)
value = Convert.ChangeType(xmlProperty.Value, propertyDescriptor.PropertyType);
propertyDescriptor.SetValue(control, value);
}
}
}
// Add element to parent or set as root element.
if (parent == null)
manager.Elements.Add(control);
else
parent.Add(control);
LoadNode(node.ChildNodes, control);
}
}
