void SyncNodeInfos(Document oldDocument, Document newDocument)
{
var oldFilePath = oldDocument.FilePath;
var filePath = newDocument.FilePath;
var oldMap = GetNodeDefinitions(oldDocument).ToDictionary(d => d.Identity);
foreach (var newDef in GetNodeDefinitions(newDocument))
{
var oldDef = oldMap.ValueOrDefault(newDef.Identity);
if (oldDef == newDef)
{
continue;
}
var(oldName, oldCategory, oldVersion) = GetNodeInfoKeys(oldDef ?? newDef);
var(name, category, version) = GetNodeInfoKeys(newDef);
var nodeInfo = FNodeInfoFactory.CreateNodeInfo(oldName, oldCategory, oldVersion, oldFilePath, beginUpdate: true);
var oldNodeInfo = nodeInfo;
// Check if document was moved or the definition renamed.
if (name != oldName || category != oldCategory || version != oldVersion || filePath != oldFilePath)
{
if (FNodeInfoFactory.ContainsKey(name, category, version, filePath))
{
// A node info already exists (document already existed). Switch to the existing one (otherwise we'd see double entries).
nodeInfo = FNodeInfoFactory.CreateNodeInfo(name, category, version, filePath, beginUpdate: false);
}
else
{
// Update the existing node info.
FNodeInfoFactory.UpdateNodeInfo(nodeInfo, name, category, version, filePath);
}
// Point all existing nodes to the updated node info
foreach (var node in FHDEHost.RootNode.AsDepthFirstEnumerable())
{
if (node.NodeInfo == oldNodeInfo)
{
var patchMessage = new PatchMessage(node.Parent.NodeInfo.Filename);
var nodeMessage = patchMessage.AddNode(node.ID);
nodeMessage.CreateMe = true;
nodeMessage.SystemName = nodeInfo.Systemname;
nodeMessage.Filename = nodeInfo.Filename;
FHDEHost.SendXMLSnippet(patchMessage.Filename, patchMessage.ToString(), true);
}
}
}
if (nodeInfo == oldNodeInfo)
{
UpdateNodeInfo(newDef, nodeInfo);
}
else
{
FNodeInfoFactory.DestroyNodeInfo(oldNodeInfo);
}
}
var newMap = GetNodeDefinitions(newDocument).ToDictionary(d => d.Identity);
foreach (var oldDef in GetNodeDefinitions(oldDocument))
{
if (newMap.ContainsKey(oldDef.Identity))
{
continue;
}
var(name, category, version) = GetNodeInfoKeys(oldDef);
var nodeInfo = FNodeInfoFactory.CreateNodeInfo(name, category, version, filePath, beginUpdate: false);
if (nodeInfo.Factory == this)
{
FNodeInfoFactory.DestroyNodeInfo(nodeInfo);
}
}
if (filePath != oldFilePath && File.Exists(oldFilePath))
{
// The document was saved under a new name but old document still exists on disk.
// Scan the old document again so we have double entries in the node browser as we'd have after a restart.
foreach (var info in LoadNodeInfos(oldFilePath))
{
Touch(info);
}
}
}
