/// <summary>
/// Load user extensions from extension assemblies.
/// </summary>
private void loadUserExtensions()
{
var exports = collectExports();
//process all exports
var exportedProviders = new List <ExportedAssemblyProviderFactory>();
var drawingProviders = new List <ContentDrawer>();
_connectorFactories = new ConnectorFactory[Enum.GetValues(typeof(ConnectorAlign)).Length];
foreach (var export in exports)
{
registerExport(export);
//collect exported providers
exportedProviders.AddRange(export.ExportedProviders);
drawingProviders.AddRange(createContentDrawers(export));
if (export.ExportedGeneralDrawingDefinitionProvider != null)
{
_exportedGeneralDrawingProvider.Add(export.ExportedGeneralDrawingDefinitionProvider);
}
foreach (var connectorProvider in export.ExportedConnectorFactories)
{
_connectorFactories[(int)connectorProvider.Key] = connectorProvider.Value;
}
if (export.ExportedJoinFactory != null)
{
_joinFactory = export.ExportedJoinFactory;
}
}
//initialize editor
var assembliesFactory = new ExportedProvidersFactory(exportedProviders);
_loader = new AssemblyLoader(_settings, assembliesFactory);
_contentDrawers = drawingProviders.ToArray();
}
/// <summary>
/// Initializes a new instance of the <see cref="DiagramFactory" /> class.
/// </summary>
/// <param name="drawers">The drawers.</param>
/// <param name="connectorFactories">Factory for creating connectors.</param>
/// <param name="joinFactory"> Factory for creating joins.</param>
internal DiagramFactory(JoinFactory joinFactory, ConnectorFactory[] connectorFactories, params ContentDrawer[] drawers)
{
_joinFactory = joinFactory;
_connectorFactories = connectorFactories.ToArray();
if (drawers == null)
{
return;
}
foreach (var drawer in drawers)
{
if (drawer.IsDefaultDrawer)
{
_defaultContentDrawer = drawer;
}
else
{
_contentDrawers.Add(drawer.DrawedType, drawer);
}
}
}
/// <summary>
/// Exports the join drawing factory that is used for every drawn join.
/// </summary>
/// <param name="factory">The exported factory.</param>
protected void ExportJoinFactory(JoinFactory factory)
{
Message("Exporting join factory {0}", factory);
ExportedJoinFactory = factory;
}
