Samuele Locatelli
303 lines
11 KiB
C#
303 lines
11 KiB
C#
/* ========================================================================
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* Copyright (c) 2005-2020 The OPC Foundation, Inc. All rights reserved.
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*
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* OPC Foundation MIT License 1.00
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*
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use,
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* copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following
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* conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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* The complete license agreement can be found here:
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* http://opcfoundation.org/License/MIT/1.00/
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* ======================================================================*/
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using System;
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using System.Collections.Generic;
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using System.Windows.Forms;
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using System.Text;
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using Opc.Ua;
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using Opc.Ua.Client;
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namespace Opc.Ua.Client.Controls
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{
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/// <summary>
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/// Prompts the user to edit a value.
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/// </summary>
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public partial class EditMonitoredItemDlg : Form
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{
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#region Constructors
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/// <summary>
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/// Creates an empty form.
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/// </summary>
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public EditMonitoredItemDlg()
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{
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InitializeComponent();
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this.Icon = ClientUtils.GetAppIcon();
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// add the attributes in numerical order.
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foreach (uint attributeId in Attributes.GetIdentifiers())
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{
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AttributeCB.Items.Add(Attributes.GetBrowseName(attributeId));
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}
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AttributeCB.SelectedIndex = 0;
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MonitoringModeCB.Items.Add(MonitoringMode.Reporting);
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MonitoringModeCB.Items.Add(MonitoringMode.Sampling);
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MonitoringModeCB.Items.Add(MonitoringMode.Disabled);
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MonitoringModeCB.SelectedIndex = 0;
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DeadbandTypeCB.Items.Add(DeadbandType.None);
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DeadbandTypeCB.Items.Add(DeadbandType.Absolute);
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DeadbandTypeCB.Items.Add(DeadbandType.Percent);
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DeadbandTypeCB.SelectedIndex = 0;
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TriggerTypeCB.Items.Add(DataChangeTrigger.StatusValue);
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TriggerTypeCB.Items.Add(DataChangeTrigger.Status);
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TriggerTypeCB.Items.Add(DataChangeTrigger.StatusValueTimestamp);
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TriggerTypeCB.SelectedIndex = 0;
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}
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#endregion
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#region EncodingInfo Class
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/// <summary>
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/// Stores information about a data encoding.
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/// </summary>
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private class EncodingInfo
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{
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public QualifiedName EncodingName;
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public override string ToString()
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{
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if (EncodingName != null)
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{
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return EncodingName.ToString();
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}
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return "Not Set";
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}
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}
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#endregion
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#region Private Fields
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#endregion
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#region Public Interface
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/// <summary>
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/// Prompts the user to edit the monitored item.
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/// </summary>
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public bool ShowDialog(Session session, MonitoredItem monitoredItem, bool isEvent)
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{
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if (!monitoredItem.Created)
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{
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NodeBTN.Session = session;
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NodeBTN.SelectedNode = monitoredItem.StartNodeId;
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}
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// hide fields not used for events.
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NodeLB.Visible = !monitoredItem.Created;
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NodeTB.Visible = !monitoredItem.Created;
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NodeBTN.Visible = !monitoredItem.Created;
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AttributeLB.Visible = !isEvent && !monitoredItem.Created;
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AttributeCB.Visible = !isEvent && !monitoredItem.Created;
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IndexRangeLB.Visible = !isEvent && !monitoredItem.Created;
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IndexRangeTB.Visible = !isEvent && !monitoredItem.Created;
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DataEncodingLB.Visible = !isEvent && !monitoredItem.Created;
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DataEncodingCB.Visible = !isEvent && !monitoredItem.Created;
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MonitoringModeLB.Visible = !monitoredItem.Created;
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MonitoringModeCB.Visible = !monitoredItem.Created;
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SamplingIntervalLB.Visible = true;
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SamplingIntervalUP.Visible = true;
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QueueSizeLB.Visible = !isEvent;
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QueueSizeUP.Visible = !isEvent;
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DiscardOldestLB.Visible = true;
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DiscardOldestCK.Visible = true;
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DeadbandTypeLB.Visible = !isEvent;
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DeadbandTypeCB.Visible = !isEvent;
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DeadbandValueLB.Visible = !isEvent;
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DeadbandValueUP.Visible = !isEvent;
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TriggerTypeLB.Visible = !isEvent;
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TriggerTypeCB.Visible = !isEvent;
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// fill in values.
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SamplingIntervalUP.Value = monitoredItem.SamplingInterval;
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DiscardOldestCK.Checked = monitoredItem.DiscardOldest;
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if (!isEvent)
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{
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AttributeCB.SelectedIndex = (int)(monitoredItem.AttributeId - 1);
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IndexRangeTB.Text = monitoredItem.IndexRange;
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MonitoringModeCB.SelectedItem = monitoredItem.MonitoringMode;
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QueueSizeUP.Value = monitoredItem.QueueSize;
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DataChangeFilter filter = monitoredItem.Filter as DataChangeFilter;
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if (filter != null)
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{
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DeadbandTypeCB.SelectedItem = (DeadbandType)filter.DeadbandType;
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DeadbandValueUP.Value = (decimal)filter.DeadbandValue;
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TriggerTypeCB.SelectedItem = filter.Trigger;
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}
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if (!monitoredItem.Created)
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{
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// fetch the available encodings for the first node in the list from the server.
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IVariableBase variable = session.NodeCache.Find(monitoredItem.StartNodeId) as IVariableBase;
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DataEncodingCB.Items.Add(new EncodingInfo());
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DataEncodingCB.SelectedIndex = 0;
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if (variable != null)
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{
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if (session.NodeCache.IsTypeOf(variable.DataType, Opc.Ua.DataTypeIds.Structure))
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{
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foreach (INode encoding in session.NodeCache.Find(variable.DataType, Opc.Ua.ReferenceTypeIds.HasEncoding, false, true))
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{
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DataEncodingCB.Items.Add(new EncodingInfo() { EncodingName = encoding.BrowseName });
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if (monitoredItem.Encoding == encoding.BrowseName)
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{
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DataEncodingCB.SelectedIndex = DataEncodingCB.Items.Count - 1;
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}
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}
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}
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}
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}
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}
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else
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{
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AttributeCB.SelectedIndex = ((int)Attributes.EventNotifier - 1);
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}
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if (base.ShowDialog() != DialogResult.OK)
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{
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return false;
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}
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// update monitored item.
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if (!monitoredItem.Created)
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{
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monitoredItem.StartNodeId = NodeBTN.SelectedNode;
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monitoredItem.DisplayName = session.NodeCache.GetDisplayText(monitoredItem.StartNodeId);
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monitoredItem.RelativePath = null;
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monitoredItem.AttributeId = (uint)(AttributeCB.SelectedIndex + 1);
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monitoredItem.MonitoringMode = (MonitoringMode)MonitoringModeCB.SelectedItem;
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}
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monitoredItem.SamplingInterval = (int)SamplingIntervalUP.Value;
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monitoredItem.DiscardOldest = DiscardOldestCK.Checked;
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if (!isEvent)
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{
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if (!monitoredItem.Created)
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{
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monitoredItem.IndexRange = IndexRangeTB.Text.Trim();
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monitoredItem.Encoding = ((EncodingInfo)DataEncodingCB.SelectedItem).EncodingName;
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}
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monitoredItem.QueueSize = (uint)QueueSizeUP.Value;
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DataChangeTrigger trigger = (DataChangeTrigger)TriggerTypeCB.SelectedItem;
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DeadbandType deadbandType = (DeadbandType)DeadbandTypeCB.SelectedItem;
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if (monitoredItem.Filter != null || deadbandType != DeadbandType.None || trigger != DataChangeTrigger.StatusValue)
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{
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DataChangeFilter filter = new DataChangeFilter();
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filter.DeadbandType = (uint)deadbandType;
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filter.DeadbandValue = (double)DeadbandValueUP.Value;
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filter.Trigger = trigger;
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monitoredItem.Filter = filter;
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}
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}
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else
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{
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if (!monitoredItem.Created)
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{
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monitoredItem.IndexRange = null;
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monitoredItem.Encoding = null;
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}
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monitoredItem.QueueSize = 0;
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monitoredItem.Filter = new EventFilter();
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}
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return true;
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}
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/// <summary>
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/// Prompts the user to specify a monitoring mode.
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/// </summary>
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public MonitoringMode ShowDialog(MonitoringMode monitoringMode)
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{
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NodeLB.Visible = false;
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NodeTB.Visible = false;
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NodeBTN.Visible = false;
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AttributeLB.Visible = false;
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AttributeCB.Visible = false;
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IndexRangeLB.Visible = false;
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IndexRangeTB.Visible = false;
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DataEncodingLB.Visible = false;
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DataEncodingCB.Visible = false;
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MonitoringModeLB.Visible = true;
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MonitoringModeCB.Visible = true;
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SamplingIntervalLB.Visible = false;
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SamplingIntervalUP.Visible = false;
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QueueSizeLB.Visible = false;
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QueueSizeUP.Visible = false;
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DiscardOldestLB.Visible = false;
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DiscardOldestCK.Visible = false;
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DeadbandTypeLB.Visible = false;
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DeadbandTypeCB.Visible = false;
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DeadbandValueLB.Visible = false;
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DeadbandValueUP.Visible = false;
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TriggerTypeLB.Visible = false;
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TriggerTypeCB.Visible = false;
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MonitoringModeCB.SelectedItem = monitoringMode;
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if (base.ShowDialog() != DialogResult.OK)
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{
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return monitoringMode;
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}
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return (MonitoringMode)MonitoringModeCB.SelectedItem;
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}
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#endregion
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#region Event Handlers
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private void OkBTN_Click(object sender, EventArgs e)
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{
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try
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{
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if (IndexRangeTB.Visible)
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{
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NumericRange.Parse(IndexRangeTB.Text);
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}
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DialogResult = DialogResult.OK;
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}
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catch (Exception exception)
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{
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ClientUtils.HandleException(this.Text, exception);
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}
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}
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#endregion
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}
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}
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