Files
Mapo-IOB-WIN/IOB-OPC-UA/Applications/ClientControls.Net4/Common/Client/SelectNodeDlg.cs
T
2021-03-25 18:25:25 +01:00

155 lines
4.7 KiB
C#

/* ========================================================================
* Copyright (c) 2005-2020 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.Windows.Forms;
using System.Text;
using Opc.Ua;
using Opc.Ua.Client;
namespace Opc.Ua.Client.Controls
{
/// <summary>
/// Prompts the user to select an area to use as an event filter.
/// </summary>
public partial class SelectNodeDlg : Form
{
#region Constructors
/// <summary>
/// Creates an empty form.
/// </summary>
public SelectNodeDlg()
{
InitializeComponent();
this.Icon = ClientUtils.GetAppIcon();
}
#endregion
#region Private Fields
#endregion
#region Public Interface
/// <summary>
/// Prompts the user to select a node.
/// </summary>
public NodeId ShowDialog(
Session session,
NodeId rootId,
string caption,
params NodeId[] referenceTypeIds)
{
// set the caption.
if (!String.IsNullOrEmpty(caption))
{
this.Text = caption;
}
// set default root.
if (NodeId.IsNull(rootId))
{
rootId = Opc.Ua.ObjectIds.ObjectsFolder;
}
// set default reference type.
if (referenceTypeIds == null)
{
referenceTypeIds = new NodeId[] { Opc.Ua.ReferenceTypeIds.HierarchicalReferences };
}
// initialize the control.
BrowseCTRL.Initialize(session, rootId, referenceTypeIds);
// display the dialog.
if (ShowDialog() != DialogResult.OK)
{
return null;
}
// convert to a node id.
ReferenceDescription reference = BrowseCTRL.SelectedNode;
if (reference != null && !reference.NodeId.IsAbsolute)
{
return (NodeId)reference.NodeId;
}
return null;
}
/// <summary>
/// Prompts the user to select a node.
/// </summary>
public ReferenceDescription ShowDialog(
Session session,
NodeId rootId,
ViewDescription view,
string caption,
params NodeId[] referenceTypeIds)
{
// set the caption.
if (!String.IsNullOrEmpty(caption))
{
this.Text = caption;
}
// set default root.
if (NodeId.IsNull(rootId))
{
rootId = Opc.Ua.ObjectIds.ObjectsFolder;
}
// set default reference type.
if (referenceTypeIds == null)
{
referenceTypeIds = new NodeId[] { Opc.Ua.ReferenceTypeIds.HierarchicalReferences };
}
// initialize the control.
BrowseCTRL.Initialize(session, rootId, referenceTypeIds);
BrowseCTRL.View = view;
// display the dialog.
if (ShowDialog() != DialogResult.OK)
{
return null;
}
return BrowseCTRL.SelectedNode;
}
#endregion
#region Private Methods
#endregion
#region Event Handlers
#endregion
}
}