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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.TextManager.Interop;
using Microsoft.VisualStudio;
using System.Runtime.InteropServices;
using Microsoft.VisualStudio.Shell.Interop;
using IOleServiceProvider = Microsoft.VisualStudio.OLE.Interop.IServiceProvider;
namespace MySql.Data.VisualStudio.Editors
{
internal class VSCodeEditor
{
private ServiceBroker services;
private IVsCodeWindow codeWindow;
private IntPtr parentHandle;
private IntPtr hwnd;
private bool noContent;
private IVsTextBuffer textBuffer;
public VSCodeEditor()
{
hwnd = IntPtr.Zero;
parentHandle = IntPtr.Zero;
}
public VSCodeEditor(IntPtr parent, ServiceBroker services) : this()
{
parentHandle = parent;
this.services = services;
CreateCodeWindow();
}
public VSCodeEditor(IOleServiceProvider psp) : this()
{
services = new ServiceBroker(psp);
CreateCodeWindow();
}
public IntPtr Hwnd
{
get { return hwnd; }
}
public IVsCodeWindow CodeWindow
{
get { return codeWindow; }
}
public bool Dirty
{
get
{
uint flags;
textBuffer.GetStateFlags(out flags);
return (flags & (uint)BUFFERSTATEFLAGS.BSF_MODIFIED) != 0;
}
set
{
uint flags;
textBuffer.GetStateFlags(out flags);
if (value)
flags |= (uint)BUFFERSTATEFLAGS.BSF_MODIFIED;
else
flags &= ~(uint)BUFFERSTATEFLAGS.BSF_MODIFIED;
textBuffer.SetStateFlags(flags);
}
}
public string Text
{
get
{
IVsTextLines lines = (IVsTextLines)textBuffer;
int lineCount, lineLength;
string text;
lines.GetLineCount(out lineCount);
lines.GetLengthOfLine(lineCount - 1, out lineLength);
lines.GetLineText(0, 0, lineCount - 1, lineLength, out text);
return text;
}
set
{
if (noContent)
Initialize(value);
else
Replace(value);
noContent = false;
}
}
private void Initialize(string value)
{
IVsTextLines lines = (IVsTextLines)textBuffer;
lines.InitializeContent(value, value.Length);
}
private void Replace(string value)
{
int endLine, endCol;
IVsTextLines lines = (IVsTextLines)textBuffer;
lines.GetLastLineIndex(out endLine, out endCol);
IntPtr pText = Marshal.StringToCoTaskMemAuto(value);
try
{
lines.ReplaceLines(0, 0, endLine, endCol, pText, value.Length, null);
}
finally
{
Marshal.FreeCoTaskMem(pText);
}
}
private void CreateCodeWindow()
{
// create code window
Guid guidVsCodeWindow = typeof(VsCodeWindowClass).GUID;
codeWindow = services.CreateObject(services.LocalRegistry, guidVsCodeWindow, typeof(IVsCodeWindow).GUID) as IVsCodeWindow;
CustomizeCodeWindow();
// set buffer
Guid guidVsTextBuffer = typeof(VsTextBufferClass).GUID;
textBuffer = services.CreateObject(services.LocalRegistry, guidVsTextBuffer,
typeof(IVsTextBuffer).GUID) as IVsTextBuffer;
textBuffer.InitializeContent("ed", 2);
Guid langSvc = new Guid("{fa498a2d-116a-4f25-9b55-7938e8e6dda7}");
int hr = textBuffer.SetLanguageServiceID(ref langSvc);
if (hr != VSConstants.S_OK)
Marshal.ThrowExceptionForHR(hr);
hr = codeWindow.SetBuffer(textBuffer as IVsTextLines);
if (hr != VSConstants.S_OK)
Marshal.ThrowExceptionForHR(hr);
// this is necessary for the adapters to work in VS2010
Initialize(String.Empty);
// create pane window
IVsWindowPane windowPane = codeWindow as IVsWindowPane;
hr = windowPane.SetSite(services.IOleServiceProvider);
if (hr != VSConstants.S_OK)
Marshal.ThrowExceptionForHR(hr);
if (parentHandle != IntPtr.Zero)
{
hr = windowPane.CreatePaneWindow(parentHandle, 0, 0, 100, 100, out hwnd);
if (hr != VSConstants.S_OK)
Marshal.ThrowExceptionForHR(hr);
}
}
private void CustomizeCodeWindow()
{
//// initialize code window
//INITVIEW[] initView = new INITVIEW[1];
//initView[0].fSelectionMargin = 0;
//initView[0].IndentStyle = vsIndentStyle.vsIndentStyleSmart;
//initView[0].fWidgetMargin = 0;
//initView[0].fVirtualSpace = 0;
//initView[0].fDragDropMove = 1;
//initView[0].fVisibleWhitespace = 0;
//IVsCodeWindowEx codeWindowEx = codeWindow as IVsCodeWindowEx;
//int hr = codeWindowEx.Initialize((uint)_codewindowbehaviorflags.CWB_DISABLEDROPDOWNBAR,
// //(uint)_codewindowbehaviorflags.CWB_DISABLESPLITTER,
// 0, null, null,
// (int)TextViewInitFlags.VIF_SET_WIDGET_MARGIN |
// (int)TextViewInitFlags.VIF_SET_SELECTION_MARGIN |
// (int)TextViewInitFlags2.VIF_ACTIVEINMODALSTATE |
// (int)TextViewInitFlags2.VIF_SUPPRESSBORDER |
// (int)TextViewInitFlags2.VIF_SUPPRESS_STATUS_BAR_UPDATE |
// (int)TextViewInitFlags2.VIF_SUPPRESSTRACKCHANGES,
// initView);
//if (hr != VSConstants.S_OK)
// Marshal.ThrowExceptionForHR(hr);
}
}
}
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