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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.Collections.Generic;
using System.Text;
using Microsoft.VisualStudio.Shell.Interop;
using System.Diagnostics;
using Microsoft.VisualStudio;
using System.Data.Common;
using System.Data;
using Microsoft.VisualStudio.Data;
using Microsoft.VisualStudio.TextManager.Interop;
using System.Windows.Forms;
using MySql.Data.VisualStudio.Properties;
using Microsoft.VisualStudio.OLE.Interop;
using Microsoft.VisualStudio.Package;
using MySql.Data.VisualStudio.Editors;
using Microsoft.VisualStudio.Shell;
namespace MySql.Data.VisualStudio
{
abstract class DocumentNode : BaseNode, IVsPersistDocData
{
public DocumentNode(DataViewHierarchyAccessor hierarchyAccessor, int id) :
base(hierarchyAccessor, id)
{
}
private uint DocumentCookie;
protected abstract void Load();
public abstract string GetSaveSql();
protected abstract string GetCurrentName();
protected virtual bool Save()
{
ExecuteSQL(GetSaveSql());
return true;
}
#region IVsPersistDocData Members
public int Close()
{
//throw new Exception("The method or operation is not implemented.");
return VSConstants.S_OK;
}
public int GetGuidEditorType(out Guid pClassID)
{
throw new Exception("The method or operation is not implemented.");
}
public int IsDocDataDirty(out int pfDirty)
{
pfDirty = Dirty ? 1 : 0;
return VSConstants.S_OK;
}
public int IsDocDataReloadable(out int pfReloadable)
{
throw new Exception("The method or operation is not implemented.");
}
public int LoadDocData(string pszMkDocument)
{
Debug.Assert(pszMkDocument == Moniker);
Load();
OnDataLoaded();
return VSConstants.S_OK;
}
public int OnRegisterDocData(uint docCookie, IVsHierarchy pHierNew, uint itemidNew)
{
DocumentCookie = docCookie;
Debug.Assert(HierarchyAccessor.Hierarchy == pHierNew, "Registration in wrong hierarchy");
return VSConstants.S_OK;
}
public int ReloadDocData(uint grfFlags)
{
throw new Exception("The method or operation is not implemented.");
}
public int RenameDocData(uint grfAttribs, IVsHierarchy pHierNew, uint itemidNew, string pszMkDocumentNew)
{
return VSConstants.S_OK;
}
public int SaveDocData(VSSAVEFLAGS dwSave, out string pbstrMkDocumentNew, out int pfSaveCanceled)
{
string oldMoniker = Moniker;
pfSaveCanceled = 1;
pbstrMkDocumentNew = null;
try
{
// Call out to the derived nodes to do the save work
if (Save())
pfSaveCanceled = 0;
}
catch (Exception ex)
{
MessageBox.Show("Unable to save object with error: " + ex.Message);
return VSConstants.S_OK;
}
if (pfSaveCanceled == 0)
{
// then mark the document has clean and unchanged
Dirty = false;
IsNew = false;
//notify any listeners that our save is done
OnDataSaved();
Name = GetCurrentName();
pbstrMkDocumentNew = String.Format("/Connection/{0}s/{1}", NodeId, Name);
VsShellUtilities.RenameDocument(MySqlDataProviderPackage.Instance, oldMoniker, Moniker);
// update server explorer
Refresh();
Load();
}
return VSConstants.S_OK;
}
public int SetUntitledDocPath(string pszDocDataPath)
{
throw new Exception("The method or operation is not implemented.");
}
#endregion
#region Events
public event EventHandler DataLoaded;
public event EventHandler DataChanged;
public event EventHandler DataSaved;
private void OnDataLoaded()
{
if (DataLoaded != null)
DataLoaded(this, null);
}
private void OnDataChanged()
{
if (DataChanged != null)
DataChanged(this, null);
}
private void OnDataSaved()
{
if (DataSaved != null)
DataSaved(this, null);
}
#endregion
}
}
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