/// <summary>
/// Inserts the subconnectors.
/// </summary>
/// <param name="connector">The connector.</param>
/// <param name="loadWhenNecessary">if set to <c>true</c> [load when necessary].</param>
/// <param name="recursiveExpand">if set to <c>true</c> [recursive expand].</param>
/// <param name="item">The item.</param>
private void InsertSubconnectors(ExpressionConnectorViewModel connector, bool loadWhenNecessary, bool recursiveExpand, ExpressionConnector item)
{
var idx = ConnectorsOut.IndexOf(connector);
var newConnectors = new List<ExpressionConnectorViewModel>();
foreach (var sc in item.GetSubconnectors().OrderBy(x => x.Name))
{
item.SubconnectorsLoaded = true;
var newConnector = new ExpressionConnectorViewModel(new ExpressionConnector(ConnectorType.Out, sc), _diagramViewModel) { IndentLevel = connector.IndentLevel + 1 };
ConnectorsOut.Insert(++idx, newConnector);
newConnectors.Add(newConnector);
}
if (recursiveExpand)
{
foreach (var newConnector in newConnectors)
{
var connectorItem = newConnector.Item as ExpressionConnector;
if (connectorItem != null &&
connectorItem.IsConnectorsGroup &&
connectorItem.IsConnectorsGroupCollapsed)
{
continue;
}
ExpandSubconnectors(newConnector, loadWhenNecessary, true);
}
}
item.Refresh();
_diagramViewModel.RaiseForceRelayout();
}
/// <summary>
/// Deletes the subconnectors.
/// </summary>
/// <param name="connector">The connector.</param>
/// <param name="loadWhenNecessary">if set to <c>true</c> [load when necessary].</param>
/// <param name="item">The item.</param>
private void DeleteSubconnectors(ExpressionConnectorViewModel connector, bool loadWhenNecessary, ExpressionConnector item)
{
foreach (var sc in item.GetSubconnectors().OrderBy(x => x.Name))
{
var node = ConnectorsOut.FirstOrDefault(x => x.Item.Id == sc.Id);
if (node != null)
{
if (sc.HasSubfields)
{
var newConnector = new ExpressionConnectorViewModel(new ExpressionConnector(ConnectorType.Out, sc), _diagramViewModel) { IndentLevel = connector.IndentLevel };
CollapseSubconnectors(newConnector, loadWhenNecessary);
}
item.SubconnectorsLoaded = false;
ConnectorsOut.Remove(node);
}
}
item.IsConnectorsGroupCollapsed = !item.SubconnectorsLoaded;
item.ClearSubconnectors();
}
