/// <summary>
/// 删除指定面板上指定的建模元素
/// </summary>
/// <param name="networkItem_VM">要删除的建模元素</param>
/// <param name="sidePanel_VM">指定的面板</param>
public static void deleteAndClearNetworkItemVM(NetworkItem_VM networkItem_VM, SidePanel_VM sidePanel_VM)
{
// 清理其锚点上的所有连线
foreach (Connector_VM connector_VM in networkItem_VM.ConnectorVMs)
{
if (connector_VM is null)
{
continue;
}
Connection_VM connection_VM = connector_VM.ConnectionVM;
if (connection_VM is null)
{
continue;
}
if (connection_VM.Source == connector_VM)
{
connection_VM.Dest.ConnectionVM = null;
}
else
{
connection_VM.Source.ConnectionVM = null;
}
sidePanel_VM.UserControlVMs.Remove(connection_VM);
}
// 从面板中删除该建模元素
sidePanel_VM.UserControlVMs.Remove(networkItem_VM);
}
/// <summary>
/// 获取锚点(Connector_VM)所在连线(Connection_VM)的另一端的锚点(Connector_VM)
/// </summary>
/// <param name="connector_VM">锚点</param>
/// <returns>另一端的锚点</returns>
public static Connector_VM getAnotherEndConnectorVM(Connector_VM connector_VM)
{
Connection_VM connection_VM = connector_VM.ConnectionVM;
if (connection_VM is null)
{
return(null);
}
Connector_VM anotherEndConnectorVM;
if (connection_VM.Source == connector_VM)
{
anotherEndConnectorVM = connection_VM.Dest;
}
else
{
anotherEndConnectorVM = connection_VM.Source;
}
return(anotherEndConnectorVM);
}
