/// <summary>
/// Displays all servers that support the specified specification.
/// </summary>
/// <param name="discovery">The discovery.</param>
/// <param name="specification">The specification.</param>
/// <param name="filters">The filters.</param>
/// <param name="SelectContextMenuIsEnabled">if set to <c>true</c> context menu: select is enabled.</param>
public void ShowAllServers(Opc.IDiscovery discovery, Opc.Specification specification, OpcDa::BrowseFilters filters, bool SelectContextMenuIsEnabled)
{
if (discovery == null)
{
throw new ArgumentNullException("Discovery cannot be null");
}
this.Cursor = Cursors.AppStarting;
Clear();
this.m_SelectContextMenuIsEnabled = SelectContextMenuIsEnabled;
m_discovery = discovery;
OpcDa::BrowseFilters m_filters = (filters == null) ? new OpcDa::BrowseFilters() : filters;
//My computer
ComputerTreeNodes m_localServers = new Computer(this, "localhost", m_filters, specification);
m_BrowseTV.Nodes.Add(m_localServers);
m_BrowseTV.SelectedNode = m_localServers;
m_localServers.Browse(true);
m_localServers.Expand();
//Network
NetworkTreeNode m_localNetwork = new Network(this, "Local Network", m_filters, specification);
m_BrowseTV.Nodes.Add(m_localNetwork);
m_BrowseTV.SelectedNode = m_localNetwork;
m_localNetwork.Browse(true);
m_localNetwork.Expand();
this.Cursor = Cursors.Default;
}
internal OPCSessionServer(OPCCliConfiguration.ServersRow server, OpcDa::BrowseFilters filters, OPCEnvironment node) :
base(server.Name, null, node)
{
LastEception = null;
try
{
m_Menu = new ContextMenuServer(this);
Opc.URL url = new Opc.URL(server.URL);
if (server.GetConnectDataRows().Length > 0)
{
m_ConnectData = server.GetConnectDataRows()[0].GetConnectData();
}
m_Spcification = new Opc.Specification()
{
ID = server.PreferedSpecyficationID, Description = server.PreferedSpecyficationDsc
};
Tag = (Server)Factory.GetServerForURL(url, m_Spcification);
server.GetOptions(this);
foreach (OPCCliConfiguration.SubscriptionsRow rw in server.GetSubscriptionsRows())
{
new SubscriptionTreeNodeSession(rw, this);
}
State = state.disconnectd;
}
catch (Exception ex) { ReportException(ex); }
}
/// <summary>
/// Displays the browse filters in a non-model dialog.
/// </summary>
public void Show(
Form owner,
OpcDa::BrowseFilters filters,
BrowseFiltersChangedCallback callback)
{
if (callback == null)
{
throw new ArgumentNullException("callback");
}
Owner = owner;
m_callback = callback;
BrowseFilterCTRL.Value = filters.BrowseFilter;
MaxElementsReturnedCTRL.Value = (decimal)filters.MaxElementsReturned;
ElementNameFilterTB.Text = filters.ElementNameFilter;
VendorFilterTB.Text = filters.VendorFilter;
ReturnPropertiesCB.Checked = (filters.PropertyIDs != null || filters.ReturnAllProperties);
PropertyFiltersCTRL.ReturnAllProperties = filters.ReturnAllProperties;
PropertyFiltersCTRL.ReturnPropertyValues = filters.ReturnPropertyValues;
PropertyFiltersCTRL.PropertyIDs = filters.PropertyIDs;
ShowDialog();
}
/// <summary>
/// Invokes the callback an passes the new browse filters.
/// </summary>
private void ApplyChanges()
{
OpcDa::BrowseFilters filters = new OpcDa::BrowseFilters();
filters.BrowseFilter = (OpcDa::browseFilter)BrowseFilterCTRL.Value;
filters.MaxElementsReturned = (int)MaxElementsReturnedCTRL.Value;
filters.ElementNameFilter = ElementNameFilterTB.Text;
filters.VendorFilter = VendorFilterTB.Text;
if (!ReturnPropertiesCB.Checked)
{
filters.ReturnAllProperties = false;
filters.ReturnPropertyValues = false;
filters.PropertyIDs = null;
}
else
{
filters.ReturnAllProperties = PropertyFiltersCTRL.ReturnAllProperties;
filters.ReturnPropertyValues = PropertyFiltersCTRL.ReturnPropertyValues;
if (!filters.ReturnAllProperties)
{
filters.PropertyIDs = PropertyFiltersCTRL.PropertyIDs;
}
else
{
filters.PropertyIDs = null;
}
}
if (m_callback != null)
{
m_callback(filters);
}
}
/// <summary>
/// Feedback event hamdler: called when the browse filters have changed in an external dialog.
/// </summary>
/// <param name="filters">The new filters.</param>
private void OnBrowseFiltersChanged(OpcDa::BrowseFilters filters)
{
//TODO: how to clear filters?
IBrowse cn = (IBrowse)m_BrowseTV.SelectedNode;
cn.DefaultBrowseFilters = filters;
}
/// <summary>
/// Add server to the tree.
/// </summary>
/// <param name="server">The server.</param>
/// <param name="filters">The filters <see cref="OpcDa::BrowseFilters"/>.</param>
public void AddServer(Server server, OpcDa::BrowseFilters filters)
{
var node = new OPCSessionServer(server, m_OPCEnvironment);
node.DefaultBrowseFilters = filters;
m_OPCEnvironment.Expand();
}
/// <summary>
/// Browses for children of the element at the current node.
/// </summary>
protected void Browse(AddressSpaceDataBase.TagsTableRow itemID, OpcDa::BrowseFilters filters)
{
try
{
// begin a browse.
OpcDa::BrowsePosition position = null;
foreach (var element in m_Dictionary.Browse(itemID, filters, out position))
{
AddBrowseElement(element);
}
// loop until all elements have been fetched.
while (position != null)
{
DialogResult result = MessageBox.Show(
"More items meeting search criteria exist. Continue browse?",
"Browse Items",
MessageBoxButtons.YesNo, MessageBoxIcon.Question
);
if (result != DialogResult.Yes)
{
break;
}
// fetch next batch of elements, add children.
foreach (var element in m_Dictionary.BrowseNext(ref position))
{
AddBrowseElement(element);
}
}
}
catch (Exception e)
{
MessageBox.Show(e.Message);
}
}
/// <summary>
/// Prompts a user to create a new subscription with a modal dialog.
/// </summary>
/// <param name="server">The server.</param>
/// <param name="filters">The filters.</param>
/// <param name="supportedLocales">The supported locales.</param>
/// <param name="options">The options.</param>
public void ShowDialog(Server server, OpcDa::BrowseFilters filters, string[] supportedLocales, IOptions options)
{
if (server == null)
{
throw new ArgumentNullException("server");
}
if (server.IsConnected)
{
m_BrowseCTRL.ShowSingleServer((Server)server.Duplicate(), (OpcDa::BrowseFilters)filters.Clone(), true);
}
else
{
m_Dictionary.DefaultFileName = server.Name;
if (!m_Dictionary.Open())
{
return;
}
if (m_Dictionary.Dictionary.ServersTable.Count > 0)
{
supportedLocales = m_Dictionary.Dictionary.ServersTable[0].Locales;
}
m_BrowseCTRL.ShowSingleServer(m_Dictionary.Dictionary, filters, true);
}
ShowDialog(supportedLocales, options);
}
/// <summary>
/// Initializes the control with the specified server.
/// </summary>
public void Initialize(OpcDa::BrowseFilters filters, Subscription subscription)
{
// Add the subscription at the root of the tree
if (subscription == null)
{
throw new ArgumentNullException("subscription");
}
m_SubscriptionTreeView.Nodes.Add(new SubscriptionTreeNode4RW(subscription));
}
/// <summary>
/// Initializes a new instance of the <see cref="OPCServerTreeNodes"/> class with the specified label text.
/// </summary>
/// <param name="server">The server to add.</param>
/// <param name="filters">The filters.</param>
/// <param name="view">The <see cref="OPCTreeView"/> to add new object..</param>
internal OPCBrowseServer(Server server, OpcDa::BrowseFilters filters)
: base(server.Name, server, filters, server.PreferedSpecyfication)
{
CreatedEception = null;
State = Tag.IsConnected ? state.connected : state.disconnectd;
if (Tag.IsConnected)
{
this.Browse(true);
this.Expand();
}
}
/// <summary>
/// Displays the edit browse filters dialog.
/// </summary>
private void EditFiltersMI_Click(object sender, System.EventArgs e)
{
var sn = m_BrowseTV.SelectedNode as IBrowse;
OpcDa::BrowseFilters cf = sn.DefaultBrowseFilters;
using (BrowseFiltersDlg cd = new BrowseFiltersDlg())
{
cd.Show(Form.ActiveForm, cf, new BrowseFiltersChangedCallback(OnBrowseFiltersChanged));
//TODO remove applay buton and event handler and assigne result after returning.
}
}
internal OPCBrowseServer(AddressSpaceDataBase.ServersTableRow server, OpcDa::BrowseFilters filters) :
base(server.URLString, null, filters, Opc.Specification.NONE)
{
CreatedEception = null;
m_ServerDictionaryDescription = server;
try
{
DefaultSpecification = server.Specification;
Tag = (Server)Factory.GetServerForURL(server.URL, DefaultSpecification);
m_SupportedLocales = server.Locales;
State = state.dictionary;
this.Browse(true);
this.Expand();
}
catch (Exception ex) { ReportException(ex); }
}
/// <summary>
/// Shows the single server.
/// </summary>
/// <param name="dictionary">The dictionary.</param>
/// <param name="filters">The filters.</param>
/// <param name="SelectContextMenuIsEnabled">if set to <c>true</c> context menu: select is enabled.</param>
public void ShowSingleServer(AddressSpaceDataBase dictionary, OpcDa::BrowseFilters filters, bool SelectContextMenuIsEnabled)
{
if (dictionary == null)
{
throw new ArgumentNullException("Dictionary cannot be null");
}
if (filters == null)
{
filters = new OpcDa::BrowseFilters();
}
this.m_SelectContextMenuIsEnabled = SelectContextMenuIsEnabled;
Clear();
if (dictionary.ServersTable.Count > 0)
{
m_BrowseTV.Nodes.Add(new OPCBrowseServer(dictionary.ServersTable[0], filters));
}
}
/// <summary>
/// Opens the dioctionary dialog.
/// </summary>
/// <param name="server">The server.</param>
/// <param name="filters">The filters.</param>
public static void OpenDioctionaryDialog(Server server, OpcDa::BrowseFilters filters)
{
if (server == null)
{
return;
}
using (DictionaryDialog dic = new DictionaryDialog())
{
if (filters == null)
{
filters = new OpcDa::BrowseFilters();
filters.ReturnAllProperties = true;
filters.ReturnPropertyValues = true;
}
dic.ShowSingleServer(server, filters);
dic.ShowDialog();
dic.m_BrowseTreeCtrl.Clear();
}
}
/// <summary>
/// Connect and browses the address space for a single server. The server is disposed while disposing this control.
/// </summary>
/// <param name="server">The server to show.</param>
/// <param name="filters">The filters to apply.</param>
/// <param name="SelectContextMenuIsEnabled">if set to <c>true</c> context menu: select is enabled.</param>
//TODO define filters while caling
public void ShowSingleServer(Server server, OpcDa::BrowseFilters filters, bool SelectContextMenuIsEnabled)
{
this.Cursor = Cursors.WaitCursor;
this.m_SelectContextMenuIsEnabled = SelectContextMenuIsEnabled;
System.Diagnostics.Debug.Assert(!server.IsConnected);
if ((server == null) || (server.IsConnected))
{
throw new ArgumentNullException("server");
}
if (filters == null)
{
filters = new OpcDa::BrowseFilters();
}
Clear();
var m_singleServer = new OPCBrowseServer(server, filters);
m_BrowseTV.Nodes.Add(m_singleServer);
m_BrowseTV.SelectedNode = m_singleServer;
m_singleServer.Connect();
this.Cursor = Cursors.Default;
}
/// <summary>
/// Browses for children of the element at the current node.
/// </summary>
protected void Browse(Opc.ItemIdentifier itemID, OpcDa::BrowseFilters filters)
{
try
{
// begin a browse.
OpcDa::BrowsePosition position = null;
OpcDa.BrowseElement[] children = m_Server.Browse(itemID, filters, out position);
if (children == null)
{
return;
}
foreach (var element in m_Server.Browse(itemID, filters, out position))
{
AddBrowseElement(element);
}
// loop until all elements have been fetched.
while (position != null)
{
DialogResult result = MessageBox.Show(
"More items meeting search criteria exist. Continue browse?",
"Browse Items",
MessageBoxButtons.YesNo, MessageBoxIcon.Question
);
if (result != DialogResult.Yes)
{
break;
}
// fetch next batch of elements add children.
foreach (OpcDa::BrowseElement element in m_Server.BrowseNext(ref position))
{
AddBrowseElement(element);
}
}
}
catch (Exception e)
{
MessageBox.Show(e.Message);
}
}
/// <summary>
/// Initializes a new instance of the <see cref="mBrowseServer" /> class.
/// </summary>
/// <param name="parent">The <see cref="OPCBrowseServer" /> parent.</param>
/// <param name="filters">The filters.</param>
internal mBrowseServer(OPCBrowseServer parent, OpcDa::BrowseFilters filters)
: base(parent.Tag)
{
mParent = parent;
Browse(null, filters);
}
/// <summary>
/// Initializes a new instance of the <see cref="ConnectDataNode{ObjectType, ParentType}"/> class.
/// </summary>
/// <param name="text">The text.</param>
/// <param name="obj">The obj.</param>
/// <param name="filters">The filters.</param>
/// <param name="specification">The preferred specification.</param>
internal ConnectDataNode(string text, ObjectType obj, OpcDa::BrowseFilters filters, Opc.Specification specification)
: base(text, obj, filters)
{
m_Spcification = specification;
}
/// <summary>
/// Initializes a new instance of the <see cref="DiscoveryNode<ObjectType, ParentType>"/> class.
/// </summary>
/// <param name="text">The text.</param>
/// <param name="obj">The server to add.</param>
/// <param name="filters">The filters.</param>
/// <param name="specification">The specification.</param>
internal DiscoveryNode(string text, ObjectType obj, OpcDa::BrowseFilters filters, Opc.Specification specification)
: base(text, obj, filters, specification)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="BrowseTreeNode"/> class.
/// </summary>
/// <param name="text">The label <see cref="System.Windows.Forms.TreeNode.Text"/> of the new tree node.</param>
/// <param name="obj">The object coupled with the node.</param>
/// <param name="filters">The filters to apply.</param>
internal BrowseTreeNode(string text, ObjectType obj, OpcDa::BrowseFilters filters)
: base(text, obj)
{
pfilters = filters;
SetForeColor();
}
private void ShowSingleServer(Server server, OpcDa::BrowseFilters filters)
{
m_PropertiesCTRL.Initialize(null);
m_Dictionary.DefaultFileName = server.Name;
m_BrowseTreeCtrl.ShowSingleServer(server, filters, false);
}
/// <summary>
/// Initializes a new instance of the <see cref="Network"/> class.
/// </summary>
/// <param name="parent">The parent.</param>
/// <param name="computerName">Name of the computer.</param>
/// <param name="filters">The filters.</param>
/// <param name="specification">The specification.</param>
internal Network
(BrowseTreeCtrl parent, string computerName, OpcDa::BrowseFilters filters, Opc.Specification specification)
: base(computerName, filters, specification)
{
m_Parent = parent;
}
/// <summary>
/// Initializes a new instance of the <see cref="mBrowseServer"/> class.
/// </summary>
/// <param name="parent">The <see cref="OPCServerTreeNodes"/> parent.</param>
/// <param name="filters">The filters.</param>
internal mBrowseDictionary(OPCBrowseServer parent, OpcDa::BrowseFilters filters)
: base((AddressSpaceDataBase)parent.m_ServerDictionaryDescription.Table.DataSet)
{
mParent = parent;
Browse(null, filters);
}
/// <summary>
/// Initializes a new instance of the <see cref="mBrowseDictionary"/> class.
/// </summary>
/// <param name="parent">The parent.</param>
/// <param name="itemID">The item ID.</param>
/// <param name="filters">The filters.</param>
internal mBrowseDictionary(BrowseElementNode parent, OpcDa::BrowseFilters filters)
: base((AddressSpaceDataBase)parent.m_TableRow.Table.DataSet)
{
m_Parent = parent;
base.Browse(parent.m_TableRow, filters);
}
/// <summary>
/// Initializes a new instance of the <see cref="mBrowseServer"/> class.
/// </summary>
/// <param name="parent">The <see cref="Server"/> parent.</param>
/// <param name="itemID">The <see cref="ItemIdentifier"/> in the address space to browse .</param>
/// <param name="filters">The filters.</param>
internal mBrowseServer(BrowseElementNode parent, Opc.ItemIdentifier itemID, OpcDa::BrowseFilters filters)
: base(parent.FindServer())
{
m_Parent = parent;
base.Browse(itemID, filters);
}
/// <summary>
/// Initializes a new instance of the <see cref="ComputerTreeNodes"/> class with the specified label text.
/// </summary>
/// <param name="computerName">Name of the computer.</param>
/// <param name="filters">The filters.</param>
/// <param name="specification">The specification.</param>
internal ComputerTreeNodes(string computerName, OpcDa::BrowseFilters filters, Opc.Specification specification)
: base(computerName, null, filters, specification)
{
AssignImageIndex();
AddDummyNode();
}
