/// <summary>
/// Loads the view resource from the specified stream.
/// </summary>
public override void LoadResource(ViewResource resource, Stream stream)
{
if (resource.Name == nameof(TemplateBindings))
{
templateBindings = new TemplateBindings();
templateBindings.Load(stream);
}
}
/// <summary>
/// Creates new bindings.
/// </summary>
private void NewBindings()
{
fileName = "";
interfaceDir = "";
templateBindings = new TemplateBindings();
DisplayInterfaceDir();
DisplayBindings();
Modified = false;
}
/// <summary>
/// Initializes a new instance of the class.
/// </summary>
public SchemeView(View viewEntity)
: base(viewEntity)
{
maxComponentID = 0;
templateArgs = new TemplateArgs(Args);
templateBindings = null;
SchemeDoc = new SchemeDocument {
SchemeView = this
};
Components = new SortedList <int, ComponentBase>();
LoadErrors = new List <string>();
}
private bool modified; // the bindings were modified
/// <summary>
/// Initializes a new instance of the class.
/// </summary>
public FrmMain()
{
InitializeComponent();
exeDir = Path.GetDirectoryName(Application.ExecutablePath);
langDir = Path.Combine(exeDir, "Lang");
templateBindings = null;
fileName = "";
interfaceDir = "";
changing = false;
modified = false;
}
/// <summary>
/// Конструктор.
/// </summary>
public SchemeView()
: base()
{
maxComponentID = 0;
templateArgs = new TemplateArgs();
templateBindings = null;
SchemeDoc = new SchemeDocument()
{
SchemeView = this
};
Components = new SortedList <int, BaseComponent>();
LoadErrors = new List <string>();
}
/// <summary>
/// Opens bindings from the specified file.
/// </summary>
private void OpenBindings(string fileName)
{
this.fileName = fileName;
templateBindings = new TemplateBindings();
if (!templateBindings.Load(fileName, out string errMsg))
{
ScadaUiUtils.ShowError(errMsg);
}
FindInterfaceDir();
DisplayInterfaceDir();
DisplayBindings();
Modified = false;
}
/// <summary>
/// Загрузить представление из потока.
/// </summary>
public override void LoadFromStream(Stream stream)
{
// clear the view
Clear();
// load component bindings
if (string.IsNullOrEmpty(templateArgs.BindingFileName))
{
templateBindings = null;
}
else
{
templateBindings = new TemplateBindings();
templateBindings.Load(System.IO.Path.Combine(
SchemeContext.GetInstance().AppDirs.ConfigDir, templateArgs.BindingFileName));
}
// load XML document
XmlDocument xmlDoc = new XmlDocument();
xmlDoc.Load(stream);
// check data format
XmlElement rootElem = xmlDoc.DocumentElement;
if (!rootElem.Name.Equals("SchemeView", StringComparison.OrdinalIgnoreCase))
{
throw new ScadaException(SchemePhrases.IncorrectFileFormat);
}
// get channel offsets in template mode
int inCnlOffset = templateArgs.InCnlOffset;
int ctrlCnlOffset = templateArgs.CtrlCnlOffset;
// load scheme document
if (rootElem.SelectSingleNode("Scheme") is XmlNode schemeNode)
{
SchemeDoc.LoadFromXml(schemeNode);
// установка заголовка представления
Title = SchemeDoc.Title;
// добавление входных каналов представления
foreach (int cnlNum in SchemeDoc.CnlFilter)
{
if (cnlNum > 0)
{
AddCnlNum(cnlNum + inCnlOffset);
}
}
}
// load scheme components
if (rootElem.SelectSingleNode("Components") is XmlNode componentsNode)
{
HashSet <string> errNodeNames = new HashSet <string>(); // имена узлов незагруженных компонентов
CompManager compManager = CompManager.GetInstance();
LoadErrors.AddRange(compManager.LoadErrors);
SortedDictionary <int, ComponentBinding> componentBindings = templateBindings?.ComponentBindings;
foreach (XmlNode compNode in componentsNode.ChildNodes)
{
// создание компонента
BaseComponent component = compManager.CreateComponent(compNode, out string errMsg);
if (component == null)
{
component = new UnknownComponent {
XmlNode = compNode
};
if (errNodeNames.Add(compNode.Name))
{
LoadErrors.Add(errMsg);
}
}
// загрузка компонента и добавление его в представление
component.SchemeView = this;
component.LoadFromXml(compNode);
Components[component.ID] = component;
// добавление входных каналов представления
if (component is IDynamicComponent dynamicComponent)
{
if (componentBindings != null &&
componentBindings.TryGetValue(component.ID, out ComponentBinding binding))
{
dynamicComponent.InCnlNum = binding.InCnlNum;
dynamicComponent.CtrlCnlNum = binding.CtrlCnlNum;
}
else
{
if (inCnlOffset > 0 && dynamicComponent.InCnlNum > 0)
{
dynamicComponent.InCnlNum += inCnlOffset;
}
if (ctrlCnlOffset > 0 && dynamicComponent.CtrlCnlNum > 0)
{
dynamicComponent.CtrlCnlNum += ctrlCnlOffset;
}
}
AddCnlNum(dynamicComponent.InCnlNum);
AddCtrlCnlNum(dynamicComponent.CtrlCnlNum);
}
// определение макс. идентификатора компонентов
if (component.ID > maxComponentID)
{
maxComponentID = component.ID;
}
}
}
// load scheme images
if (rootElem.SelectSingleNode("Images") is XmlNode imagesNode)
{
Dictionary <string, Image> images = SchemeDoc.Images;
XmlNodeList imageNodes = imagesNode.SelectNodes("Image");
foreach (XmlNode imageNode in imageNodes)
{
Image image = new Image();
image.LoadFromXml(imageNode);
if (!string.IsNullOrEmpty(image.Name))
{
images[image.Name] = image;
}
}
}
}
