private void BrowseBTN_Click(object sender, EventArgs e)
{
try
{
Browser browser = new Browser(m_browser.Session);
browser.BrowseDirection = BrowseDirection.Forward;
browser.NodeClassMask = (int)NodeClass.View | (int)NodeClass.Object;
browser.ReferenceTypeId = ReferenceTypeIds.Organizes;
browser.IncludeSubtypes = true;
ReferenceDescription reference = new SelectNodeDlg().ShowDialog(browser, Objects.ViewsFolder);
if (reference != null)
{
if (reference.NodeClass != NodeClass.View)
{
MessageBox.Show("Please select a valid view node id.", this.Text);
return;
}
ViewIdTB.Text = Utils.Format("{0}", reference.NodeId);
}
}
catch (Exception exception)
{
GuiUtils.HandleException(this.Text, MethodBase.GetCurrentMethod(), exception);
}
}
private void SelectNodeMI_Click(object sender, EventArgs e)
{
try
{
ReferenceDescription reference = new SelectNodeDlg().ShowDialog(m_browser, ObjectTypes.BaseEventType);
if (reference != null)
{
Node node = m_session.NodeCache.Find(reference.NodeId) as Node;
if (node == null)
{
return;
}
ContentFilterElement element = null;
// build the relative path.
QualifiedNameCollection browsePath = new QualifiedNameCollection();
NodeId typeId = m_session.NodeCache.BuildBrowsePath(node, browsePath);
switch (node.NodeClass)
{
case NodeClass.Variable:
{
IVariable variable = node as IVariable;
if (variable == null)
{
break;
}
// create attribute operand.
SimpleAttributeOperand attribute = new SimpleAttributeOperand(
m_session.FilterContext,
typeId,
browsePath);
// create default value.
object value = GuiUtils.GetDefaultValue(variable.DataType, variable.ValueRank);
// create attribute filter.
element = m_filter.Push(FilterOperator.Equals, attribute, value);
break;
}
case NodeClass.Object:
{
// create attribute operand.
SimpleAttributeOperand attribute = new SimpleAttributeOperand(
m_session.FilterContext,
typeId,
browsePath);
attribute.AttributeId = Attributes.NodeId;
// create attribute filter.
element = m_filter.Push(FilterOperator.IsNull, attribute);
break;
}
case NodeClass.ObjectType:
{
element = m_filter.Push(FilterOperator.OfType, node.NodeId);
break;
}
default:
{
throw new ArgumentException("Selected an invalid node.");
}
}
// add element.
if (element != null)
{
AddItem(element);
AdjustColumns();
}
}
}
catch (Exception exception)
{
GuiUtils.HandleException(this.Text, MethodBase.GetCurrentMethod(), exception);
}
}
