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>
/// Creates a new instance of a FilterDeclarationField.
/// </summary>
public FilterDeclarationField(FilterDeclarationField field)
{
Selected = field.Selected;
DisplayInList = field.DisplayInList;
FilterEnabled = field.FilterEnabled;
FilterOperator = field.FilterOperator;
FilterValue = field.FilterValue;
InstanceDeclaration = field.InstanceDeclaration;
}
/// <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>
/// Creates a new instance of a FilterDeclaration.
/// </summary>
public FilterDeclaration(TypeDeclaration eventType, FilterDeclaration template)
{
EventTypeId = eventType.NodeId;
Fields = new List <FilterDeclarationField>();
foreach (InstanceDeclaration instanceDeclaration in eventType.Declarations)
{
if (instanceDeclaration.NodeClass == NodeClass.Method)
{
continue;
}
if (NodeId.IsNull(instanceDeclaration.ModellingRule))
{
continue;
}
FilterDeclarationField element = new FilterDeclarationField(instanceDeclaration);
Fields.Add(element);
// set reasonable defaults.
if (template == null)
{
if (instanceDeclaration.RootTypeId == Opc.Ua.ObjectTypeIds.BaseEventType &&
instanceDeclaration.BrowseName != Opc.Ua.BrowseNames.EventId)
{
element.DisplayInList = true;
}
}
// preserve filter settings.
else
{
foreach (FilterDeclarationField field in template.Fields)
{
if (field.InstanceDeclaration.BrowsePathDisplayText ==
element.InstanceDeclaration.BrowsePathDisplayText)
{
element.DisplayInList = field.DisplayInList;
element.FilterEnabled = field.FilterEnabled;
element.FilterOperator = field.FilterOperator;
element.FilterValue = field.FilterValue;
break;
}
}
}
}
}
/// <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++;
}
/// <summary>
/// Adds a simple field to the declaration.
/// </summary>
public void AddSimpleField(QualifiedName[] browseNames, NodeClass nodeClass, BuiltInType dataType,
int valueRank, bool displayInList)
{
FilterDeclarationField field = new FilterDeclarationField();
field.DisplayInList = displayInList;
field.InstanceDeclaration = new InstanceDeclaration();
field.InstanceDeclaration.NodeClass = nodeClass;
if (browseNames != null)
{
field.InstanceDeclaration.BrowseName = browseNames[browseNames.Length - 1];
field.InstanceDeclaration.BrowsePath = new QualifiedNameCollection();
StringBuilder path = new StringBuilder();
for (int ii = 0; ii < browseNames.Length; ii++)
{
if (path.Length > 0)
{
path.Append('/');
}
path.Append(browseNames[ii]);
field.InstanceDeclaration.BrowsePath.Add(browseNames[ii]);
}
field.InstanceDeclaration.BrowsePathDisplayText = path.ToString();
}
field.InstanceDeclaration.BuiltInType = dataType;
field.InstanceDeclaration.DataType = (uint)dataType;
field.InstanceDeclaration.ValueRank = valueRank;
field.InstanceDeclaration.DataTypeDisplayText = dataType.ToString();
if (valueRank >= 0)
{
field.InstanceDeclaration.DataTypeDisplayText += "[]";
}
field.InstanceDeclaration.DisplayName = field.InstanceDeclaration.BrowseName.Name;
field.InstanceDeclaration.DisplayPath = field.InstanceDeclaration.BrowsePathDisplayText;
field.InstanceDeclaration.RootTypeId = ObjectTypeIds.BaseEventType;
Fields.Add(field);
}
private void FilterDV_CellContentClick(object sender, DataGridViewCellEventArgs e)
{
try
{
if (e.RowIndex == -1)
{
return;
}
DataRowView source = FilterDV.Rows[e.RowIndex].DataBoundItem as DataRowView;
FilterDeclarationField field = (FilterDeclarationField)source.Row[0];
if (e.ColumnIndex == 2)
{
field.Selected = !field.Selected;
source.Row[3] = field.Selected;
return;
}
if (e.ColumnIndex == 3)
{
field.DisplayInList = !field.DisplayInList;
source.Row[4] = field.DisplayInList;
return;
}
if (e.ColumnIndex == 4)
{
field.FilterEnabled = !field.FilterEnabled;
source.Row[5] = field.FilterEnabled;
return;
}
}
catch (Exception exception)
{
ClientUtils.HandleException(this.Text, exception);
}
}
private void FilterDV_ColumnHeaderMouseClick(object sender, DataGridViewCellMouseEventArgs e)
{
try {
if (e.ColumnIndex == 2)
{
bool state = false;
if (m_dataset.Tables[0].DefaultView.Count > 0)
{
state = (bool)m_dataset.Tables[0].DefaultView[0].Row[3];
}
state = !state;
foreach (DataRowView row in m_dataset.Tables[0].DefaultView)
{
FilterDeclarationField field = (FilterDeclarationField)row.Row[0];
row.Row[3] = field.Selected = state;
}
}
} catch (Exception exception) {
ClientUtils.HandleException(this.Text, exception);
}
}
private void FilterDV_CellDoubleClick(object sender, DataGridViewCellEventArgs e)
{
try
{
if (e.RowIndex == -1)
{
return;
}
DataRowView source = FilterDV.Rows[e.RowIndex].DataBoundItem as DataRowView;
FilterDeclarationField field = (FilterDeclarationField)source.Row[0];
if (e.ColumnIndex == 5)
{
FilterOperator filterOperator = field.FilterOperator;
if (new SetFilterOperatorDlg().ShowDialog(ref filterOperator))
{
field.FilterEnabled = true;
source.Row[5] = field.FilterEnabled;
field.FilterOperator = filterOperator;
source.Row[6] = field.FilterOperator;
}
return;
}
if (e.ColumnIndex == 6)
{
if (field.FilterOperator == FilterOperator.IsNull)
{
field.FilterValue = Variant.Null;
return;
}
InstanceDeclaration declaration = field.InstanceDeclaration;
object result = new EditComplexValueDlg().ShowDialog(
m_session,
declaration.DisplayName,
declaration.DataType,
declaration.ValueRank,
field.FilterValue.Value,
"Edit Filter Value");
if (result != null)
{
field.FilterEnabled = true;
source.Row[5] = field.FilterEnabled;
source.Row[6] = field.FilterOperator;
field.FilterValue = new Variant(result);
source.Row[7] = field.FilterValue;
}
return;
}
}
catch (Exception exception)
{
ClientUtils.HandleException(this.Text, exception);
}
}
