Files
UA-.NETStandard/SampleApplications/Samples/ClientControls.Net4/Common/Client/ReadRequestListViewCtrl.cs
T
Erich Barnstedt 2e0f4332ba 1. Got the .Net4.6 samples running (mainly getting rid of command line arguments, HTTP settings and WCF transport bindings and adding async calls).
2. Added certificate extension parsing back in (actual parsing code is still TODO as pInvoke is not an option).
2016-07-11 23:32:21 +02:00

344 lines
12 KiB
C#

/* ========================================================================
* Copyright (c) 2005-2013 The OPC Foundation, Inc. All rights reserved.
*
* OPC Foundation MIT License 1.00
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use,
* copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following
* conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
* The complete license agreement can be found here:
* http://opcfoundation.org/License/MIT/1.00/
* ======================================================================*/
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Text;
using System.Windows.Forms;
using Opc.Ua;
using Opc.Ua.Client;
namespace Opc.Ua.Client.Controls
{
/// <summary>
/// Displays the results from a history read operation.
/// </summary>
public partial class ReadRequestListViewCtrl : UserControl
{
#region Constructors
/// <summary>
/// Constructs a new instance.
/// </summary>
public ReadRequestListViewCtrl()
{
InitializeComponent();
ResultsDV.AutoGenerateColumns = false;
ImageList = new ClientUtils().ImageList;
m_dataset = new DataSet();
m_dataset.Tables.Add("Requests");
m_dataset.Tables[0].Columns.Add("ReadValueId", typeof(ReadValueId));
m_dataset.Tables[0].Columns.Add("Icon", typeof(Image));
m_dataset.Tables[0].Columns.Add("NodeName", typeof(string));
m_dataset.Tables[0].Columns.Add("Attribute", typeof(string));
m_dataset.Tables[0].Columns.Add("IndexRange", typeof(string));
m_dataset.Tables[0].Columns.Add("DataEncoding", typeof(QualifiedName));
m_dataset.Tables[0].Columns.Add("DataValue", typeof(DataValue));
m_dataset.Tables[0].Columns.Add("DataType", typeof(string));
m_dataset.Tables[0].Columns.Add("Value", typeof(Variant));
m_dataset.Tables[0].Columns.Add("StatusCode", typeof(StatusCode));
m_dataset.Tables[0].Columns.Add("SourceTimestamp", typeof(string));
m_dataset.Tables[0].Columns.Add("ServerTimestamp", typeof(string));
ResultsDV.DataSource = m_dataset.Tables[0];
}
#endregion
#region Private Fields
private DataSet m_dataset;
private Session m_session;
private bool m_showResults;
#endregion
#region Public Members
/// <summary>
/// Changes the session used for the read request.
/// </summary>
public void ChangeSession(Session session)
{
m_session = session;
}
/// <summary>
/// Adds a node to the read request.
/// </summary>
public void AddNodes(params ReadValueId[] nodesToRead)
{
if (nodesToRead != null)
{
for (int ii = 0; ii < nodesToRead.Length; ii++)
{
if (nodesToRead[ii] == null)
{
continue;
}
DataRow row = m_dataset.Tables[0].NewRow();
UpdateRow(row, nodesToRead[ii]);
m_dataset.Tables[0].Rows.Add(row);
}
}
}
/// <summary>
/// Reads the values displayed in the control and moves to the display results state.
/// </summary>
public void Read()
{
if (m_session == null)
{
throw new ServiceResultException(StatusCodes.BadNotConnected);
}
// build list of values to read.
ReadValueIdCollection nodesToRead = new ReadValueIdCollection();
foreach (DataGridViewRow row in ResultsDV.Rows)
{
DataRowView source = row.DataBoundItem as DataRowView;
ReadValueId value = (ReadValueId)source.Row[0];
row.Selected = false;
nodesToRead.Add(value);
}
// read the values.
DataValueCollection results = null;
DiagnosticInfoCollection diagnosticInfos = null;
m_session.Read(
null,
0,
TimestampsToReturn.Both,
nodesToRead,
out results,
out diagnosticInfos);
ClientBase.ValidateResponse(results, nodesToRead);
ClientBase.ValidateDiagnosticInfos(diagnosticInfos, nodesToRead);
IndexRangeCH.Visible = false;
DataEncodingCH.Visible = false;
DataTypeCH.Visible = true;
ValueCH.Visible = true;
StatusCodeCH.Visible = true;
SourceTimestampCH.Visible = true;
ServerTimestampCH.Visible = true;
m_showResults = true;
// add the results to the display.
for (int ii = 0; ii < results.Count; ii++)
{
DataRowView source = ResultsDV.Rows[ii].DataBoundItem as DataRowView;
UpdateRow(source.Row, results[ii]);
}
}
/// <summary>
/// Returns the grid to edit ReadValueIds state.
/// </summary>
public void Back()
{
IndexRangeCH.Visible = true;
DataEncodingCH.Visible = true;
DataTypeCH.Visible = false;
ValueCH.Visible = false;
StatusCodeCH.Visible = false;
SourceTimestampCH.Visible = false;
ServerTimestampCH.Visible = false;
m_showResults = false;
// clear any selection.
foreach (DataGridViewRow row in ResultsDV.Rows)
{
row.Selected = false;
}
}
#endregion
#region Private Methods
/// <summary>
/// Updates the row with the node to read.
/// </summary>
public void UpdateRow(DataRow row, DataValue value)
{
row[6] = value;
row[7] = (value.WrappedValue.TypeInfo != null) ? value.WrappedValue.TypeInfo.ToString() : String.Empty;
row[8] = value.WrappedValue;
row[9] = value.StatusCode;
row[10] = (value.SourceTimestamp != DateTime.MinValue) ? Utils.Format("{0:hh:mm:ss.fff}", value.SourceTimestamp.ToLocalTime()) : String.Empty;
row[11] = (value.ServerTimestamp != DateTime.MinValue) ? Utils.Format("{0:hh:mm:ss.fff}", value.ServerTimestamp.ToLocalTime()) : String.Empty;
}
/// <summary>
/// Updates the row with the node to read.
/// </summary>
public void UpdateRow(DataRow row, ReadValueId nodeToRead)
{
row[0] = nodeToRead;
row[1] = ImageList.Images[ClientUtils.GetImageIndex(nodeToRead.AttributeId, null)];
row[2] = (m_session != null) ? m_session.NodeCache.GetDisplayText(nodeToRead.NodeId) : Utils.ToString(nodeToRead.NodeId);
row[3] = Attributes.GetBrowseName(nodeToRead.AttributeId);
row[4] = nodeToRead.IndexRange;
row[5] = (nodeToRead.DataEncoding != null) ? nodeToRead.DataEncoding : QualifiedName.Null;
}
#endregion
#region Event Handlers
private void PopupMenu_Opening(object sender, CancelEventArgs e)
{
NewMI.Visible = !m_showResults;
EditMI.Enabled = ResultsDV.SelectedRows.Count > 0;
DeleteMI.Enabled = ResultsDV.SelectedRows.Count > 0;
DeleteMI.Visible = !m_showResults;
}
private void NewMI_Click(object sender, EventArgs e)
{
try
{
if (!m_showResults)
{
ReadValueId nodeToRead = null;
// use the first selected row as a template.
foreach (DataGridViewRow row in ResultsDV.SelectedRows)
{
DataRowView source = row.DataBoundItem as DataRowView;
ReadValueId value = (ReadValueId)source.Row[0];
nodeToRead = (ReadValueId)value.MemberwiseClone();
break;
}
if (nodeToRead == null)
{
nodeToRead = new ReadValueId() { AttributeId = Attributes.Value };
}
// edit the parameters.
ReadValueId[] results = new EditReadValueIdDlg().ShowDialog(m_session, nodeToRead);
if (results != null)
{
// add the new rows.
for (int ii = 0; ii < results.Length; ii++)
{
DataRow row = m_dataset.Tables[0].NewRow();
UpdateRow(row, results[ii]);
m_dataset.Tables[0].Rows.Add(row);
}
}
}
}
catch (Exception exception)
{
ClientUtils.HandleException(this.Text, exception);
}
}
private void EditMI_Click(object sender, EventArgs e)
{
try
{
if (m_showResults)
{
foreach (DataGridViewRow row in ResultsDV.SelectedRows)
{
DataRowView source = row.DataBoundItem as DataRowView;
ReadValueId nodeToRead = (ReadValueId)source.Row[0];
DataValue value = (DataValue)source.Row[6];
new EditComplexValueDlg().ShowDialog(
m_session,
null,
0,
null,
value,
true,
"View Read Result");
break;
}
}
else
{
List<ReadValueId> nodesToRead = new List<ReadValueId>();
foreach (DataGridViewRow row in ResultsDV.SelectedRows)
{
DataRowView source = row.DataBoundItem as DataRowView;
ReadValueId value = (ReadValueId)source.Row[0];
nodesToRead.Add(value);
}
ReadValueId[] results = new EditReadValueIdDlg().ShowDialog(m_session, nodesToRead.ToArray());
if (results != null)
{
for (int ii = 0; ii < results.Length; ii++)
{
DataRowView source = ResultsDV.SelectedRows[ii].DataBoundItem as DataRowView;
UpdateRow(source.Row, results[ii]);
}
}
}
}
catch (Exception exception)
{
ClientUtils.HandleException(this.Text, exception);
}
}
private void DeleteMI_Click(object sender, EventArgs e)
{
try
{
if (!m_showResults)
{
foreach (DataGridViewRow row in ResultsDV.SelectedRows)
{
DataRowView source = row.DataBoundItem as DataRowView;
source.Row.Delete();
}
m_dataset.AcceptChanges();
}
}
catch (Exception exception)
{
ClientUtils.HandleException(this.Text, exception);
}
}
#endregion
}
}