public override void DeleteGeometryForIdentifier(string identifier, bool requestUpdate = true)
{
lock (Model3DDictionaryMutex)
{
var geometryModels = FindAllGeometryModel3DsForNode(identifier);
if (!geometryModels.Any())
{
return;
}
foreach (var kvp in geometryModels)
{
var model3D = Model3DDictionary[kvp.Key] as GeometryModel3D;
if (model3D != null)
{
model3D.Detach();
}
Model3DDictionary.Remove(kvp.Key);
}
}
if (!requestUpdate)
{
return;
}
RaisePropertyChanged("SceneItems");
OnRequestViewRefresh();
}
protected override void OnClear()
{
lock (Model3DDictionaryMutex)
{
var keysList = new List <string> {
DefaultLightName, DefaultGridName, DefaultAxesName
};
foreach (var key in Model3DDictionary.Keys.Except(keysList).ToList())
{
var model = Model3DDictionary[key] as GeometryModel3D;
model.Detach();
Model3DDictionary.Remove(key);
}
}
RaisePropertyChanged("SceneItems");
OnRequestViewRefresh();
}
/// <summary>
/// Initialize the Geometry everytime a workspace is opened or closed.
/// Always, keep these DirectionalLight,Grid,Axes. These values are rendered
/// only once by helix, attaching them again will make no effect on helix
/// </summary>
private void VisualizationManager_WorkspaceOpenedClosedHandled()
{
List <string> keysList = new List <string> {
"DirectionalLight", "Grid", "Axes", "BillBoardText"
};
if (Text != null && Text.TextInfo.Any())
{
Text.TextInfo.Clear();
}
foreach (var key in Model3DDictionary.Keys.Except(keysList).ToList())
{
var model = Model3DDictionary[key] as GeometryModel3D;
model.Detach();
Model3DDictionary.Remove(key);
}
NotifyPropertyChanged("");
View.InvalidateRender();
}
/// <summary>
/// when a node is deleted, then update the Geometry
/// and notify helix
/// </summary>
/// <param name="node">The node.</param>
private void VisualizationManager_DeletionHandled(NodeModel node)
{
var geometryModels = FindGeometryModel3DsForNode(node);
if (!geometryModels.Any())
{
return;
}
foreach (var kvp in geometryModels)
{
var model = Model3DDictionary[kvp.Key] as GeometryModel3D;
if (model != null)
{
model.Detach();
model.MouseDown3D -= meshGeometry3D_MouseDown3D;
}
Model3DDictionary.Remove(kvp.Key);
}
NotifyPropertyChanged("");
}
