/// <summary>
/// Tries to load a component from specifed xml node.
/// </summary>
/// <param name="node">XML node.</param>
/// <param name="component">Loaded component.</param>
/// <returns>True for sucessfull load, otherwise false.</returns>
private bool TryLoadComponenet(XmlNode node, out UIComponent component)
{
if (node == null)
throw new ArgumentNullException("node");
component = null;
//check if there is attributes, if no attributes exists (eg invalid configuration or commented node) we cant proceed so return false
if (node.Attributes == null || node.Attributes.Count == 0)
return false;
//check if all required parameters present
if (node.Attributes["Assembly"] == null ||
node.Attributes["Type"] == null ||
node.Attributes["GUID"] == null)
{
return false;
}
//validate parameters
if (!this.IsValidGUID(node.Attributes["GUID"].Value))
return false;
//create new ui component
var uiComponent = new UIComponent(this);
uiComponent.AssemblyName = node.Attributes["Assembly"].Value;
uiComponent.Type = node.Attributes["Type"].Value;
uiComponent.GUID = node.Attributes["GUID"].Value;
if (node.Attributes["Title"] != null)
uiComponent.Title = node.Attributes["Title"].Value;
if (node.Attributes["Description"] != null)
uiComponent.Description = node.Attributes["Description"].Value;
//assign out value
component = uiComponent;
return true;
}
/// <summary>
/// Adds UI component to internal collection.
/// </summary>
/// <param name="Componenet"></param>
private void InternalAdd(UIComponent Componenet)
{
this.ComponentDictionary.Add(Componenet.GUID, Componenet);
this.Components.Add(Componenet);
}