Exemplo n.º 1
0
        protected override IComponent[] CreateComponentsCore(IDesignerHost host)
        {
            const string prefix = VSNETConst.shortTitle;  // "Ingres"
            IContainer designerHostContainer = host.Container;
            ArrayList newComponents          = new ArrayList();
            ArrayList newCommandComponents   = new ArrayList();
            string    name;
            IngresConnection connection;
            IngresCommand    providerCommand;

            if (designerHostContainer == null)  // safety check
                return null;

            IngresDataAdapter dataAdapter = new IngresDataAdapter();

            // Once a reference to an assembly has been added to this service,
            // this service can load types from names that
            // do not specify an assembly.
            ITypeResolutionService resService =
                (ITypeResolutionService)host.GetService(typeof(ITypeResolutionService));

            System.Reflection.Assembly assembly = dataAdapter.GetType().Module.Assembly;

            if (resService != null)
            {
                resService.ReferenceAssembly(assembly.GetName());
                // set the assembly name to load types from
            }

            name = DesignerNameManager.CreateUniqueName(
                designerHostContainer, prefix, "DataAdapter");
            try
            {
                designerHostContainer.Add(dataAdapter, name);
                newComponents.Add(dataAdapter);
            }
            catch (ArgumentException ex)
            {
                string exMsg = ex.ToString() +
                    "\nRemove IngresDataAdapter component '" + name + "'" +
                    " that is defined outside of the designer. ";
                MessageBox.Show(exMsg, "Add " + name + " failed");
                return null;
            }

            string [] commandName = new String []
                {
                    "SelectCommand",
                    "InsertCommand",
                    "UpdateCommand",
                    "DeleteCommand",
            };

            providerCommand = new IngresCommand();     // SELECT
            newCommandComponents.Add(providerCommand);
            providerCommand.DesignTimeVisible = false;
            dataAdapter.SelectCommand = providerCommand;

            providerCommand = new IngresCommand();     // INSERT
            newCommandComponents.Add(providerCommand);
            providerCommand.DesignTimeVisible = false;
            dataAdapter.InsertCommand = providerCommand;

            providerCommand = new IngresCommand();     // UPDATE
            newCommandComponents.Add(providerCommand);
            providerCommand.DesignTimeVisible = false;
            dataAdapter.UpdateCommand = providerCommand;

            providerCommand = new IngresCommand();     // DELETE
            newCommandComponents.Add(providerCommand);
            providerCommand.DesignTimeVisible = false;
            dataAdapter.DeleteCommand = providerCommand;

            // invoke the wizard to create the connection and query
            // pass VS.NET IDesignerHost host so we can add Connection
            DataAdapterWizard wizard = new DataAdapterWizard(dataAdapter, host);

            // The DataAdapterWizard called the ConnectionEditor and
            // gave the Wizard and Editor a chance to create the Connection
            // object and SELECT statement, or to cancel out.
            // If not cancelled, add the Connection object to
            // the VS.NET component tray if not already done.
            if (dataAdapter.SelectCommand != null  &&
                dataAdapter.SelectCommand.Connection != null)
            {
                connection = dataAdapter.SelectCommand.Connection;
                name = DesignerNameManager.CreateUniqueName(
                    designerHostContainer, prefix, "Connection");
                //add the connection to the VS.NET component tray
                designerHostContainer.Add(connection, name);
            }

            // add the four Command objects (each with a unique name)
            // to the designer's components tray
            for (int i=0; i<4; i++)
            {
                name = DesignerNameManager.CreateUniqueName(
                    designerHostContainer, prefix, commandName[i]);
                designerHostContainer.Add(
                    (IComponent) newCommandComponents[i], name);
            }  // end for loop thru command components

            string s = "Creating component list for "+ this.GetType() +"?\n";

            return (IComponent[])(newComponents.ToArray(typeof(IComponent)));
            //return base.CreateComponentsCore(host);
        }
Exemplo n.º 2
0
        CreateComponentsCore(IDesignerHost host)
        {
            const string     prefix = VSNETConst.shortTitle;          // "Ingres"
            IContainer       designerHostContainer = host.Container;
            ArrayList        newComponents         = new ArrayList();
            ArrayList        newCommandComponents  = new ArrayList();
            string           name;
            IngresConnection connection;
            IngresCommand    providerCommand;

            if (designerHostContainer == null)              // safety check
            {
                return(null);
            }

            IngresDataAdapter dataAdapter = new IngresDataAdapter();

            // Once a reference to an assembly has been added to this service,
            // this service can load types from names that
            // do not specify an assembly.
            ITypeResolutionService resService =
                (ITypeResolutionService)host.GetService(typeof(ITypeResolutionService));

            System.Reflection.Assembly assembly = dataAdapter.GetType().Module.Assembly;

            if (resService != null)
            {
                resService.ReferenceAssembly(assembly.GetName());
                // set the assembly name to load types from
            }

            name = DesignerNameManager.CreateUniqueName(
                designerHostContainer, prefix, "DataAdapter");
            try
            {
                designerHostContainer.Add(dataAdapter, name);
                newComponents.Add(dataAdapter);
            }
            catch (ArgumentException ex)
            {
                string exMsg = ex.ToString() +
                               "\nRemove IngresDataAdapter component '" + name + "'" +
                               " that is defined outside of the designer. ";
                MessageBox.Show(exMsg, "Add " + name + " failed");
                return(null);
            }

            string [] commandName = new String []
            {
                "SelectCommand",
                "InsertCommand",
                "UpdateCommand",
                "DeleteCommand",
            };

            providerCommand = new IngresCommand();                 // SELECT
            newCommandComponents.Add(providerCommand);
            providerCommand.DesignTimeVisible = false;
            dataAdapter.SelectCommand         = providerCommand;

            providerCommand = new IngresCommand();                 // INSERT
            newCommandComponents.Add(providerCommand);
            providerCommand.DesignTimeVisible = false;
            dataAdapter.InsertCommand         = providerCommand;

            providerCommand = new IngresCommand();                 // UPDATE
            newCommandComponents.Add(providerCommand);
            providerCommand.DesignTimeVisible = false;
            dataAdapter.UpdateCommand         = providerCommand;

            providerCommand = new IngresCommand();                 // DELETE
            newCommandComponents.Add(providerCommand);
            providerCommand.DesignTimeVisible = false;
            dataAdapter.DeleteCommand         = providerCommand;

            // invoke the wizard to create the connection and query
            // pass VS.NET IDesignerHost host so we can add Connection
            DataAdapterWizard wizard = new DataAdapterWizard(dataAdapter, host);

            // The DataAdapterWizard called the ConnectionEditor and
            // gave the Wizard and Editor a chance to create the Connection
            // object and SELECT statement, or to cancel out.
            // If not cancelled, add the Connection object to
            // the VS.NET component tray if not already done.
            if (dataAdapter.SelectCommand != null &&
                dataAdapter.SelectCommand.Connection != null)
            {
                connection = dataAdapter.SelectCommand.Connection;
                name       = DesignerNameManager.CreateUniqueName(
                    designerHostContainer, prefix, "Connection");
                //add the connection to the VS.NET component tray
                designerHostContainer.Add(connection, name);
            }

            // add the four Command objects (each with a unique name)
            // to the designer's components tray
            for (int i = 0; i < 4; i++)
            {
                name = DesignerNameManager.CreateUniqueName(
                    designerHostContainer, prefix, commandName[i]);
                designerHostContainer.Add(
                    (IComponent)newCommandComponents[i], name);
            }              // end for loop thru command components

            string s = "Creating component list for " + this.GetType() + "?\n";

            return((IComponent[])(newComponents.ToArray(typeof(IComponent))));
            //return base.CreateComponentsCore(host);
        }  // CreateComponentsCore