protected override void InvokeInternal(CommandProcessorContext cpc)
{
// First check if the diagram file exists, if yes quit immediately.
var diagramFilePath = _artifact.Uri.LocalPath + EntityDesignArtifact.ExtensionDiagram;
if (!File.Exists(diagramFilePath) &&
(_artifact != null))
{
// The diagram file should have same structure as the EDMX file but only contains diagrams node.
// To accomplish that the method will the do the following:
// - Load the EDMX file to XDocument.
// - Store Diagrams root node.
// - Remove all nodes under root node.
// - Create and add Designer node under root node.
// - Re-Add Diagrams node under Designer node.
var document = XDocument.Parse(_artifact.XDocument.ToString(), LoadOptions.PreserveWhitespace);
var rootDiagramsNode =
document.Descendants(XName.Get("Diagrams", SchemaManager.GetEDMXNamespaceName(_artifact.SchemaVersion)))
.FirstOrDefault();
Debug.Assert(rootDiagramsNode != null, "Diagrams node does not exist in the EDMX file.");
if (rootDiagramsNode != null)
{
// Remove any nodes under root.
document.Root.RemoveNodes();
// Create an empty Designer node.
var element2 = new XElement(XName.Get("Designer", SchemaManager.GetEDMXNamespaceName(_artifact.SchemaVersion)));
element2.Add(rootDiagramsNode);
document.Root.Add(element2);
// Save the diagram file to disk.
document.Save(diagramFilePath, SaveOptions.None);
// Remove all diagram nodes under Diagrams node.
// Note that we want to still keep the Diagrams node for backward compatibility purpose. (The EDMX file could still be opened in the older Visual Studio).
_artifact.XDocument.Descendants(XName.Get("Diagrams", SchemaManager.GetEDMXNamespaceName(_artifact.SchemaVersion)))
.First()
.RemoveNodes();
// The code below is to ensure that Diagrams artifact in instantiated and initialized properly.
DiagramArtifact efArtifact = new VSDiagramArtifact(
_artifact.ModelManager, new Uri(diagramFilePath), _artifact.XmlModelProvider);
_artifact.DiagramArtifact = efArtifact;
_artifact.ModelManager.RegisterArtifact(efArtifact, _artifact.ArtifactSet);
}
}
}
protected override void InvokeInternal(CommandProcessorContext cpc)
{
// First check if the diagram file exists, if yes quit immediately.
var diagramFilePath = _artifact.Uri.LocalPath + EntityDesignArtifact.ExtensionDiagram;
if (!File.Exists(diagramFilePath)
&& (_artifact != null))
{
// The diagram file should have same structure as the EDMX file but only contains diagrams node.
// To accomplish that the method will the do the following:
// - Load the EDMX file to XDocument.
// - Store Diagrams root node.
// - Remove all nodes under root node.
// - Create and add Designer node under root node.
// - Re-Add Diagrams node under Designer node.
var document = XDocument.Parse(_artifact.XDocument.ToString(), LoadOptions.PreserveWhitespace);
var rootDiagramsNode =
document.Descendants(XName.Get("Diagrams", SchemaManager.GetEDMXNamespaceName(_artifact.SchemaVersion)))
.FirstOrDefault();
Debug.Assert(rootDiagramsNode != null, "Diagrams node does not exist in the EDMX file.");
if (rootDiagramsNode != null)
{
// Remove any nodes under root.
document.Root.RemoveNodes();
// Create an empty Designer node.
var element2 = new XElement(XName.Get("Designer", SchemaManager.GetEDMXNamespaceName(_artifact.SchemaVersion)));
element2.Add(rootDiagramsNode);
document.Root.Add(element2);
// Save the diagram file to disk.
document.Save(diagramFilePath, SaveOptions.None);
// Remove all diagram nodes under Diagrams node.
// Note that we want to still keep the Diagrams node for backward compatibility purpose. (The EDMX file could still be opened in the older Visual Studio).
_artifact.XDocument.Descendants(XName.Get("Diagrams", SchemaManager.GetEDMXNamespaceName(_artifact.SchemaVersion)))
.First()
.RemoveNodes();
// The code below is to ensure that Diagrams artifact in instantiated and initialized properly.
DiagramArtifact efArtifact = new VSDiagramArtifact(
_artifact.ModelManager, new Uri(diagramFilePath), _artifact.XmlModelProvider);
_artifact.DiagramArtifact = efArtifact;
_artifact.ModelManager.RegisterArtifact(efArtifact, _artifact.ArtifactSet);
}
}
}
