public void OnItemDelete(String deleteFunction, ProcessingNode deletedItem)
{
if (ItemDelete != null)
{
ItemDelete(deleteFunction, deletedItem);
}
NoActionProcessingNode node = new NoActionProcessingNode(-1, String.Empty, String.Empty, String.Empty, String.Empty, String.Empty);
OnAfterSelect(new TreeViewEventArgs(node));
}
// Given node xml, create the node and process its functions
// the drag function determines the type of node created
// the other functions are stored in the node and can be quickly looked up
// (e.g. on a right click context menu)
private ProcessingNode CreateNodeAndProcessFunctions(XPathNavigator nodeNavigator, String linkType)
{
ProcessingNode returnNode = null;
int nodeID = Convert.ToInt32(nodeNavigator.GetAttribute(IDAttribute, nodeNavigator.NamespaceURI));
String nodeType = nodeNavigator.GetAttribute(TypeAttribute, nodeNavigator.NamespaceURI);
String nodeName = nodeNavigator.GetAttribute(NameAttribute, nodeNavigator.NamespaceURI);
String nodeDescription = nodeNavigator.GetAttribute(DescriptionAttribute, nodeNavigator.NamespaceURI);
String nodeEType = nodeNavigator.GetAttribute(ETypeAttribute, nodeNavigator.NamespaceURI);
String nodeLinkID = nodeNavigator.GetAttribute(LinkIDAttribute, nodeNavigator.NamespaceURI);
String nodeLinkType = linkType;
List<Function> nodeFunctions = FunctionHelper.GetFunctions(nodeNavigator);
Dictionary<String, String> parameterMap = new Dictionary<String, String>();
XPathNodeIterator parameters = nodeNavigator.Select(imageCategoryParameter);
String name, category, value;
while (parameters.MoveNext())
{
category = parameters.Current.GetAttribute(categoryAttr, String.Empty);
if (category.Equals(categoryMatch)) // Image
{
name = parameters.Current.GetAttribute(displayedNameAttr, String.Empty);
value = parameters.Current.GetAttribute(ConfigFileConstants.Value, String.Empty);
parameterMap.Add(String.Concat(category, SchemaConstants.ParameterDelimiter, name), value);
}
}
String imagePath = FunctionHelper.ProcessNavForImage(this.Controller, this.ImageList, nodeType, nodeNavigator, nodeFunctions, parameterMap); // update node image.
foreach (Function nodeFunction in nodeFunctions)
{
if (nodeFunction.FunctionName == ConfigFileConstants.Drag || nodeFunction.FunctionName == ConfigFileConstants.ObjectType)
{
// instantiate class based on function name
Type type = AMEManager.GetType(nodeFunction.FunctionAction);
if (type != null)
{
//returnNode = (ProcessingNode)Activator.CreateInstance(type, new object[] { nodeID, nodeType, nodeName, nodeEType, imagePath, linkType });
returnNode = createNode(type, new object[] { nodeID, nodeType, nodeName, nodeEType, imagePath, linkType });
break;
}
}
}
if (returnNode == null) // no-op is default
{
returnNode = new NoActionProcessingNode(nodeID, nodeType, nodeName, nodeEType, imagePath, nodeLinkType);
}
// set linkID, if available
if (nodeLinkID != null && nodeLinkID.Length > 0)
{
returnNode.LinkID = Int32.Parse(nodeLinkID);
}
returnNode.ToolTipText = nodeDescription;
returnNode.Functions = nodeFunctions;
if (decorateNodes)
{
XPathNodeIterator links = nodeNavigator.Select("LinkParameters/Parameter/Parameter");
StringBuilder decoraterBuilder = new StringBuilder();
decoraterBuilder.Append(returnNode.Name);
decoraterBuilder.Append(" :");
foreach (XPathNavigator link in links)
{
String paramName = link.GetAttribute(ConfigFileConstants.displayedName, String.Empty);
String paramValue = link.GetAttribute(ConfigFileConstants.Value, String.Empty);
if (!String.IsNullOrEmpty(paramValue))
{
decoraterBuilder.Append(" ");
decoraterBuilder.Append(paramName);
decoraterBuilder.Append(" [");
decoraterBuilder.Append(paramValue);
decoraterBuilder.Append("]");
}
}
returnNode.Text = decoraterBuilder.ToString();
}
// **** Maintain Selection when we reload ****
if (lastSelectID >= 0 && lastSelectID == nodeID)
{
// don't add if the eType is none - e.g. for XSL
if (!returnNode.EType.Equals("None"))
{
selectedNodes.Add(returnNode);
}
}
return returnNode;
}
