File: TableNode.cs

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// Copyright  2008, 2010, Oracle and/or its affiliates. All rights reserved.
//
// MySQL Connector/NET is licensed under the terms of the GPLv2
// <http://www.gnu.org/licenses/old-licenses/gpl-2.0.html>, like most 
// MySQL Connectors. There are special exceptions to the terms and 
// conditions of the GPLv2 as it is applied to this software, see the 
// FLOSS License Exception
// <http://www.mysql.com/about/legal/licensing/foss-exception.html>.
//
// This program is free software; you can redistribute it and/or modify 
// it under the terms of the GNU General Public License as published 
// by the Free Software Foundation; version 2 of the License.
//
// This program is distributed in the hope that it will be useful, but 
// WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 
// or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 
// for more details.
//
// You should have received a copy of the GNU General Public License along 
// with this program; if not, write to the Free Software Foundation, Inc., 
// 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA

using System;
using System.Data.Common;
using System.Data;
using System.Collections.Generic;
using Microsoft.VisualStudio.Data;
using MySql.Data.VisualStudio.DbObjects;
using System.Text;
using System.Windows.Forms;
using MySql.Data.VisualStudio.Editors;
using System.Diagnostics;
using Microsoft.VisualStudio.Shell.Interop;

namespace MySql.Data.VisualStudio
{
	class TableNode : DocumentNode
	{
        private Table table;

		public TableNode(DataViewHierarchyAccessor hierarchyAccessor, int id) : 
			base(hierarchyAccessor, id)
		{
            NodeId = "Table";
            //commandGroupGuid = GuidList.DavinciCommandSet;
        }

        #region Properties

        public Table Table
        {
            get { return table; }
        }

        public override bool Dirty
        {
            get
            {
                if (table == null)
                    return false;

                return table.HasChanges();
            }
        }

        #endregion

        protected override string GetCurrentName()
        {
            return table.Name;
        }

        /// <summary>
        /// We override Save here because we want to prompt for a new name if this table is new and the user has
        /// not changed the default name
        /// </summary>
        /// <returns></returns>
        protected override bool Save()
        {
            if (table.IsNew && table.Name == Name)
            {
                TableNamePromptDialog dlg = new TableNamePromptDialog();
                dlg.TableName = table.Name;
                if (DialogResult.Cancel == dlg.ShowDialog()) return false;
                table.Name = dlg.TableName;
            }
            return base.Save();
        }

        public static void CreateNew(DataViewHierarchyAccessor HierarchyAccessor)
		{
            TableNode node = new TableNode(HierarchyAccessor, 0);
            node.Edit();
		}

		protected override void Load()
		{
            if (IsNew)
            {
                table = new Table(this, null, null);
                table.Name = Name;
            }
            else
            {
                DbConnection connection = (DbConnection)HierarchyAccessor.Connection.GetLockedProviderObject();
                string[] restrictions = new string[4] { null, connection.Database, Name, null };
                DataTable columnsTable = connection.GetSchema("Columns", restrictions);

                DataTable dt = connection.GetSchema("Tables", restrictions);
                table = new Table(this, dt.Rows[0], columnsTable);

                HierarchyAccessor.Connection.UnlockProviderObject();
            }
		}

        public override string GetSaveSql()
        {
            return Table.GetSql();
        }

		public override object GetEditor()
		{
            return new TableEditorPane(this);
		}

        public override void ExecuteCommand(int command)
        {
            if (command == PkgCmdIDList.cmdCreateTrigger)
            {
                TriggerNode.CreateNew(HierarchyAccessor, this);
            }
            else
                base.ExecuteCommand(command);
        }
    }
}