public FilterItem(FilterDeclarationField declaration)
{
DisplayInList = declaration.DisplayInList;
FilterEnabled = declaration.FilterEnabled;
FilterOperator = declaration.FilterOperator;
FilterValue = declaration.FilterValue;
Declaration = declaration;
}
public FilterItem(FilterDeclarationField declaration)
{
DisplayInList = declaration.DisplayInList;
FilterEnabled = declaration.FilterEnabled;
FilterOperator = declaration.FilterOperator;
FilterValue = declaration.FilterValue;
Declaration = declaration;
}
private void AddDefaultFilter(List<FilterDeclarationField> fields, string browsePath, bool displayInList)
{
FilterDeclarationField field = new FilterDeclarationField();
field.InstanceDeclaration = new InstanceDeclaration();
field.InstanceDeclaration.BrowsePathDisplayText = browsePath;
field.DisplayInList = displayInList;
fields.Add(field);
}
/// <summary>
/// Updates the filter from the controls.
/// </summary>
private void UpdateFilter()
{
// get selected declarations.
List<InstanceDeclaration> declarations = new List<InstanceDeclaration>();
NodeId eventTypeId = CollectInstanceDeclarations(declarations);
if (m_filter == null)
{
m_filter = new FilterDeclaration();
}
if (m_filter.Fields == null || m_filter.Fields.Count == 0)
{
m_filter.Fields = new List<FilterDeclarationField>();
// select some default values to display in the list.
AddDefaultFilter(m_filter.Fields, Opc.Ua.BrowseNames.EventType, true);
AddDefaultFilter(m_filter.Fields, Opc.Ua.BrowseNames.SourceName, true);
AddDefaultFilter(m_filter.Fields, Opc.Ua.BrowseNames.SourceNode, true);
AddDefaultFilter(m_filter.Fields, Opc.Ua.BrowseNames.Time, true);
AddDefaultFilter(m_filter.Fields, Opc.Ua.BrowseNames.Severity, true);
AddDefaultFilter(m_filter.Fields, Opc.Ua.BrowseNames.Message, true);
}
// copy settings from existing filter.
List<FilterDeclarationField> fields = new List<FilterDeclarationField>();
foreach (InstanceDeclaration declaration in declarations)
{
if (declaration.NodeClass != NodeClass.Variable)
{
continue;
}
FilterDeclarationField field = new FilterDeclarationField(declaration);
foreach (FilterDeclarationField field2 in m_filter.Fields)
{
if (field2.InstanceDeclaration.BrowsePathDisplayText == field.InstanceDeclaration.BrowsePathDisplayText)
{
field.DisplayInList = field2.DisplayInList;
field.FilterEnabled = field2.FilterEnabled;
field.FilterOperator = field2.FilterOperator;
field.FilterValue = field2.FilterValue;
break;
}
}
fields.Add(field);
}
// update filter.
m_filter.EventTypeId = eventTypeId;
m_filter.Fields = fields;
}
/// <summary>
/// Updates the row.
/// </summary>
public void UpdateRow(DataRow row, FilterDeclarationField field)
{
row[0] = field;
row[1] = ImageList.Images[ClientUtils.GetImageIndex(m_session, field.InstanceDeclaration.NodeClass, field.InstanceDeclaration.RootTypeId, false)];
row[2] = field.InstanceDeclaration.BrowsePathDisplayText;
row[3] = field.Selected;
row[4] = field.DisplayInList;
row[5] = field.FilterEnabled;
if (field.FilterEnabled)
{
row[6] = field.FilterOperator;
row[7] = field.FilterValue;
}
row[8] = m_counter++;
}
