private static GraphMapData GetClusteredGraph(GraphMapData graphMapData, GraphComponents graphComponents)
{
GraphMapData graphComponentsMapData = new GraphMapData();
IEnumerable <INodeShape> clusteredComponents = graphComponents.GetNodeViewModels();
foreach (PartitionNode clusteredComponent in clusteredComponents)
{
NodeMapData nodeMapData = new TextNodeMapData(clusteredComponent.ID);
graphComponentsMapData.Add(nodeMapData);
// Properties
object[] dimensionAndPosition = GetPartitionNodeDimensionAndPosition(graphMapData, clusteredComponent);
nodeMapData.Dimension = (Size)dimensionAndPosition[0];
nodeMapData.Position = (Point)dimensionAndPosition[1];
nodeMapData.IsHidden = clusteredComponent.IsHidden;
IEnumerable <IEdge> clusteredComponentEdges = graphComponents.GetEdges(clusteredComponent);
foreach (IEdge clusteredComponentEdge in clusteredComponentEdges)
{
EdgeMapData edgeMapData = new EdgeMapData(clusteredComponentEdge.Source.ID, clusteredComponentEdge.Target.ID);
graphComponentsMapData.Add(edgeMapData);
}
}
return(graphComponentsMapData);
}
public static NodeMapData GetNode(NodeViewModelBase uiNodeVM)
{
NodeMapData objNode;
if (uiNodeVM.GetType().Equals(typeof(IconNodeViewModel)))
{
objNode = new IconNodeMapData(uiNodeVM.ParentNode.ID);
// Property
IconNodeViewModel iconNodeVM = (IconNodeViewModel)uiNodeVM;
if (iconNodeVM.ImageSource != null)
{
((IconNodeMapData)objNode).ImageSource = new System.Uri(iconNodeVM.ImageSource, UriKind.Relative);
}
}
else
{
objNode = new TextNodeMapData(uiNodeVM.ParentNode.ID);
}
// Properties
objNode.Description = uiNodeVM.Description;
objNode.Label = uiNodeVM.DisplayValue;
Size dimension = new Size(uiNodeVM.Width, uiNodeVM.Height);
objNode.Dimension = dimension;
objNode.Position = uiNodeVM.Position;
objNode.IsHidden = uiNodeVM.IsHidden;
objNode.BackgroundColor = uiNodeVM.BackgroundColor.Color;
objNode.SelectionColor = uiNodeVM.SelectionColor.Color;
// Attributes
foreach (KeyValuePair <string, AttributeValue> uiNodeVMAttrKVP in uiNodeVM.ParentNode.Attributes)
{
Attributes.Attribute uiNodeVMAttribute = GlobalAttributeCollection.GetInstance(uiNodeVM.Scope).GetAttribute(uiNodeVMAttrKVP.Key);
AttributeMapData objNodeAttribute = new AttributeMapData(uiNodeVMAttrKVP.Key, uiNodeVMAttrKVP.Value.Value);
objNode.Attributes.Add(objNodeAttribute.Name, objNodeAttribute);
objNodeAttribute.SemanticType = uiNodeVMAttribute.SemanticType;
objNodeAttribute.SimilarityMeasure = uiNodeVMAttribute.PreferredSimilarityMeasure;
objNodeAttribute.IsHidden = !uiNodeVMAttribute.Visible;
}
return(objNode);
}
/// <summary>
/// Returns bare-bone graph needed for layouts
/// </summary>
/// <param name="graphComponents">GraphComponents</param>
/// <returns>GraphMapData</returns>
public static GraphMapData GetGraph(GraphComponents graphComponents)
{
GraphMapData graph = new GraphMapData();
// Nodes
IEnumerable <INodeShape> uiNodeViewModels = graphComponents.GetNodeViewModels();
foreach (NodeViewModelBase uiNodeVM in uiNodeViewModels)
{
NodeMapData objNode = new TextNodeMapData(uiNodeVM.ParentNode.ID);
graph.Add(objNode);
// Properties
Size dimension = new Size(uiNodeVM.Width, uiNodeVM.Height);
objNode.Dimension = dimension;
objNode.Position = uiNodeVM.Position;
objNode.IsHidden = uiNodeVM.IsHidden;
}
// Edges
IEnumerable <IEdgeViewModel> uiEdgeViewModels = graphComponents.GetEdgeViewModels();
foreach (EdgeViewModelBase uiEdgeVM in uiEdgeViewModels)
{
EdgeMapData objEdge = new EdgeMapData(uiEdgeVM.ParentEdge.Source.ID, uiEdgeVM.ParentEdge.Target.ID);
graph.Add(objEdge);
// Properties
objEdge.Type = uiEdgeVM.ParentEdge.Type;
SimilarityDataEdge uiSDE = uiEdgeVM.ParentEdge as SimilarityDataEdge;
if (uiSDE != null)
{
objEdge.Weight = uiSDE.Weight;
}
}
return(graph);
}
/*/// <summary>
* /// Gets the default edge type (direction) to be used in the
* /// event that the 'directed' attribute of an edge is not included
* /// </summary>
* /// <param name="defaultEdgeType">The value of the edgedefault attribute</param>
* private static GraphType GetDefaultEdgeType(string defaultEdgeType)
* {
* GraphType determinedEdgeType = GraphType.Undirected;
*
* if (defaultEdgeType != null && defaultEdgeType.ToLower().Equals("directed"))
* {
* determinedEdgeType = GraphType.Directed;
* }
*
* return determinedEdgeType;
* }*/
/// <summary>
/// Reads an XML node from the specified XmlReader
/// </summary>
/// <param name="reader">Reader from which to read the node from</param>
private NodeMapData ReadNode(XmlReader reader, NodeTypes defaultNodeType)
{
NodeMapData objNode;
string nodeId = reader.GetAttribute("id");
if (defaultNodeType == NodeTypes.Icon)
{
objNode = new IconNodeMapData(nodeId);
}
else
{
objNode = new TextNodeMapData(nodeId);
}
if (reader.ReadToDescendant("data"))
{
Attributes.Attribute newAttribute = null;
AttributeValue newAttributeValue = null;
// Loop over all data elements. These are the attributes
do
{
// Record the attributes
string dataKey = reader.GetAttribute("key");
string dataValue = reader.ReadElementContentAsString();
// Determine if we are dealing with a node property
if (dataKey.StartsWith(NODE_PROPERTY_PREFIX))
{
string propName = dataKey.Substring(NODE_PROPERTY_PREFIX.Length);
switch (propName)
{
case "Description":
objNode.Description = dataValue;
break;
case "DisplayValue":
objNode.Label = dataValue;
break;
case "SelectionColor":
SolidColorBrush selectionColor = Conversion.HexColorToBrush(dataValue);
objNode.SelectionColor = selectionColor.Color;
break;
case "ImageSource":
((IconNodeMapData)objNode).ImageSource = new Uri(dataValue, UriKind.RelativeOrAbsolute);
break;
case "Height":
double height = double.Parse(dataValue);
objNode.Dimension = new Size(objNode.Dimension.Width, height);
break;
case "Width":
double width = double.Parse(dataValue);
objNode.Dimension = new Size(width, objNode.Dimension.Height);
break;
case "Position":
string[] splitPosition = dataValue.Split(',');
objNode.Position = new Point(double.Parse(splitPosition[0]), double.Parse(splitPosition[1]));
break;
case "IsHidden":
objNode.IsHidden = bool.Parse(dataValue);
break;
case "BackgroundColor":
SolidColorBrush backgroundColor = Conversion.HexColorToBrush(dataValue);
objNode.BackgroundColor = backgroundColor.Color;
break;
default:
// TODO prop is for a different version of SnagL
break;
}
// TODO do we only want to do whats above when what is commented out below fails?
/*// Attempt to set the node propety
* if ((SetExportablePropertyValue(dataKey, objNode, dataValue)))
* _logger.WriteLogEntry(LogLevel.INFO, string.Format("The Node property [{0}] was set to '{1}'", dataKey, dataValue), null, null);
* else
* {
* // The property might be for the view model so try
* // and set the view model
* if ((SetExportablePropertyValue(dataKey, objNode, dataValue)))
* _logger.WriteLogEntry(LogLevel.INFO, string.Format("The NodeVM property [{0}] was set to '{1}'", dataKey, dataValue), null, null);
* else
* _logger.WriteLogEntry(LogLevel.ERROR, string.Format("Unable to set the property [{0}] to the specified value [{1}]", dataKey, dataValue), null, null);
* }*/
}
else // Determine if we are dealing with an attribute
{
if (dataKey.StartsWith(NODE_ATTRIBUTE_PREFIX))
{
// Determine if we are dealing with a descriptor or a value
if (dataKey.EndsWith(ATTRIBUTE_DESCRIPTOR_SUFFIX))
{
newAttribute = CreateAttribute(dataValue);
}
else if (dataKey.EndsWith(ATTRIBUTE_VALUE_SUFFIX))
{
newAttributeValue = new AttributeValue(dataValue);
}
}
else // If we are here, we are not dealing with SnagL formatted GraphML
{
// We are dealing with an unknown data element so we
// are going to treat it like a new attribute
// Determine if we are dealing with a descriptor or a value
newAttribute = new Attributes.Attribute(dataKey);
newAttributeValue = new AttributeValue(dataValue);
}
// Check if we have a valid Attribute and AttributeValue class
if (newAttribute != null && newAttributeValue != null)
{
AttributeMapData objAttribute = new AttributeMapData(newAttribute.Name, newAttributeValue.Value);
objNode.Attributes.Add(objAttribute.Name, objAttribute);
objAttribute.SemanticType = newAttribute.SemanticType;
objAttribute.SimilarityMeasure = newAttribute.PreferredSimilarityMeasure;
objAttribute.IsHidden = !newAttribute.Visible;
newAttribute = null;
newAttributeValue = null;
}
}
} while (reader.LocalName == "data" || (string.IsNullOrEmpty(reader.LocalName) && reader.ReadToNextSibling("data")));
}
return(objNode);
}
