/// <summary>
/// Here we simply host the visual studio core text editor.
/// </summary>
public virtual void CreateEditorInstance(uint createDocFlags, string moniker,
string physicalView, IVsHierarchy pHier, uint itemid, IntPtr existingDocData,
out IntPtr docView, out IntPtr docData, out string editorCaption,
out Guid cmdUI, out int cancelled)
{
string ext = Path.GetExtension(moniker).ToLower();
if (ext.StartsWith("."))
{
ext = ext.Substring(1);
}
bool takeover = CheckAllFileTypes() && !this.IsRegisteredExtension(ext);
if (takeover && !IsOurKindOfFile(moniker))
{
throw new System.Runtime.InteropServices.COMException("", (int)VsConstants.VS_E_UNSUPPORTEDFORMAT);
}
IVsTextLines buffer = null;
if (existingDocData != IntPtr.Zero)
{
buffer = (IVsTextLines)Marshal.GetTypedObjectForIUnknown(existingDocData, typeof(IVsTextLines));
}
else
{
buffer = (IVsTextLines)VsShell.CreateInstance(this.site, ref VsConstants.CLSID_VsTextBuffer, ref VsConstants.IID_IVsTextLines, typeof(IVsTextLines));
}
IObjectWithSite objWithSite = (IObjectWithSite)buffer;
objWithSite.SetSite(this.site.Unwrap());
object window = CreateEditorView(moniker, buffer, physicalView, out editorCaption, out cmdUI);
if (takeover)
{
Guid langSid = GetLanguageSID();
if (langSid != Guid.Empty)
{
buffer.SetLanguageServiceID(ref langSid);
IVsUserData vud = (IVsUserData)buffer;
vud.SetData(ref VsConstants.GUID_VsBufferDetectLangSID, false);
}
// todo: for some reason my commands are disabled when we go through this
// code path...
}
docView = Marshal.GetIUnknownForObject(window);
docData = Marshal.GetIUnknownForObject(buffer);
// VS core editor is the primary command handler
cancelled = 0;
}
public virtual object CreateEditorView(string moniker, IVsTextLines buffer, string physicalView, out string editorCaption, out Guid cmdUI)
{
IVsCodeWindow window = (IVsCodeWindow)VsShell.CreateInstance(this.site, ref VsConstants.CLSID_VsCodeWindow, ref VsConstants.IID_IVsCodeWindow, typeof(IVsCodeWindow));
window.SetBuffer(buffer);
window.SetBaseEditorCaption(null);
window.GetEditorCaption(READONLYSTATUS.ROSTATUS_Unknown, out editorCaption);
Guid CMDUIGUID_TextEditor = new Guid(0x8B382828, 0x6202, 0x11d1, 0x88, 0x70, 0x00, 0x00, 0xF8, 0x75, 0x79, 0xD2);
cmdUI = CMDUIGUID_TextEditor;
return(window);
}