private static IVsTextLines CreateEmptyEditor(IServiceProvider serviceProvider)
{
IVsTextLines vsTextLines = null;
// get the ILocalRegistry interface so we can use it to create the text buffer from the shell's local registry
var localRegistry = (ILocalRegistry)serviceProvider.GetService(typeof(ILocalRegistry));
if (localRegistry != null)
{
vsTextLines = VsTextBufferFactory.CreateInstance <IVsTextLines>(serviceProvider, localRegistry);
// Initialize contents
NativeMethods.ThrowOnFailure(vsTextLines.InitializeContent(string.Empty, string.Empty.Length));
}
return(vsTextLines);
}
public int CreateEditorInstance(
uint grfCreateDoc,
string pszMkDocument,
string pszPhysicalView,
IVsHierarchy pvHier,
uint itemid,
IntPtr punkDocDataExisting,
out IntPtr ppunkDocView,
out IntPtr ppunkDocData,
out string pbstrEditorCaption,
out Guid pguidCmdUI,
out int pgrfCDW)
{
// Initialize to null
ppunkDocView = IntPtr.Zero;
ppunkDocData = IntPtr.Zero;
pbstrEditorCaption = null;
pguidCmdUI = GuidList.guidPartEditorFactory;
pgrfCDW = (int)_VSRDTFLAGS.RDT_DontSaveAs;
try
{
// Validate inputs
if ((grfCreateDoc & (VSConstants.CEF_OPENFILE | VSConstants.CEF_SILENT)) == 0)
{
Debug.Assert(false, "Only Open or Silent is valid");
return(VSConstants.E_INVALIDARG);
}
PackageEditorPane existingPackageEditor = null;
if (punkDocDataExisting != IntPtr.Zero)
{
existingPackageEditor = Marshal.GetObjectForIUnknown(punkDocDataExisting) as PackageEditorPane;
if (existingPackageEditor == null)
{
// The user is trying to open our editor on an existing DocData which is not our editor.
// This editor does not support other editors simultaneously editing the same file.
return(VSConstants.VS_E_INCOMPATIBLEDOCDATA);
}
}
if (pszPhysicalView == null)
{
if (punkDocDataExisting != IntPtr.Zero)
{
// An XML fragment editor was already editing our DocData, and we are trying to open the main editor on it now.
// Just return the existing DocData object.
ppunkDocView = Marshal.GetIUnknownForObject(existingPackageEditor);
ppunkDocData = Marshal.GetIUnknownForObject(existingPackageEditor);
pbstrEditorCaption = string.Empty;
return(VSConstants.S_OK);
}
// Open the main editor (the normal scenario).
PackageEditorPane editor = new PackageEditorPane(myPackage);
ppunkDocView = Marshal.GetIUnknownForObject(editor);
ppunkDocData = Marshal.GetIUnknownForObject(editor);
pbstrEditorCaption = string.Empty;
return(VSConstants.S_OK);
}
// If physical view is non-null, create an editor window on an xml fragment.
// Verify that the base document is created
IVsRunningDocumentTable runningDocTable = (IVsRunningDocumentTable)this.GetService(typeof(SVsRunningDocumentTable));
int hr = runningDocTable.FindAndLockDocument(
(uint)_VSRDTFLAGS.RDT_NoLock,
pszMkDocument,
out IVsHierarchy hierarchy,
out uint itemIdFindAndLock,
out IntPtr docDataFindAndLock,
out uint docCookieFindAndLock
);
string xml = string.Empty;
if (VSConstants.S_OK != hr) // can't find document in RDT.
{
// We are being asked to open a sub document before the main document is open.
// Let's create the main and put it in the RDT with a temporary EditLock that
// we will release after the sub document window is created.
using (PackageEditorPane editor = new PackageEditorPane(myPackage))
{
IVsPersistDocData mainDocData = editor;
mainDocData.LoadDocData(pszMkDocument);
// TODO editor.TemporaryLockDocument(runningDocTable, pvHier, itemid, pszMkDocument);
xml = editor.GetXml(pszPhysicalView);
}
}
else
{
// get xml from open editor.
if (docDataFindAndLock != IntPtr.Zero)
{
Marshal.Release(docDataFindAndLock);
}
if (existingPackageEditor != null)
{
xml = existingPackageEditor.GetXml(pszPhysicalView);
}
}
// Use ILocalRegistry to create text buffer and code window
ILocalRegistry localRegistry = (ILocalRegistry)this.GetService(typeof(ILocalRegistry));
Debug.Assert(null != localRegistry);
// Create the document (text buffer)
IntPtr vsTextLines = IntPtr.Zero;
Guid guidTextLines = typeof(IVsTextLines).GUID;
ErrorHandler.ThrowOnFailure(
localRegistry.CreateInstance(typeof(VsTextBufferClass).GUID, null, ref guidTextLines, (uint)CLSCTX.CLSCTX_INPROC_SERVER, out vsTextLines)
);
IVsTextLines textLines = (IVsTextLines)Marshal.GetObjectForIUnknown(vsTextLines);
// Create the codewindow (editor)
IntPtr vsCodeWindow = IntPtr.Zero;
Guid guidCodeWindow = typeof(IVsCodeWindow).GUID;
ErrorHandler.ThrowOnFailure(
localRegistry.CreateInstance(typeof(VsCodeWindowClass).GUID, null, ref guidCodeWindow, (uint)CLSCTX.CLSCTX_INPROC_SERVER, out vsCodeWindow)
);
IVsCodeWindow codeWindow = Marshal.GetObjectForIUnknown(vsCodeWindow) as IVsCodeWindow;
// Site it, so it can find/query for various services
IObjectWithSite textLinesWithSite = (IObjectWithSite)textLines;
// Site the TextBuffer with an IOleServiceProvider
IOleServiceProvider pOleSeviceProvider;
pOleSeviceProvider = (IOleServiceProvider)this.vsServiceProvider.GetService(typeof(IOleServiceProvider));
textLinesWithSite.SetSite(pOleSeviceProvider);
ErrorHandler.ThrowOnFailure(
textLines.InitializeContent(xml, xml.Length)
);
// Attach buffer to code window
ErrorHandler.ThrowOnFailure(
codeWindow.SetBuffer(textLines)
);
// Set the language service to the XML language service to get syntax highlighting
Guid xmlLanguageServiceGuid = new Guid("{f6819a78-a205-47b5-be1c-675b3c7f0b8e}");
textLines.SetLanguageServiceID(ref xmlLanguageServiceGuid);
// If the project system has specified the language service clear the auto detect flag to ensure that we use the preferred service
IVsUserData userData = (IVsUserData)textLines;
Guid vsBufferDetectLangSIDGuid = new Guid("{17F375AC-C814-11d1-88AD-0000F87579D2}");
object flagObject = false;
userData.SetData(ref vsBufferDetectLangSIDGuid, flagObject);
ppunkDocView = vsCodeWindow; // refcnt from CreateEditorInstance
ppunkDocData = vsTextLines; // refcnt from CreateEditorInstance
pbstrEditorCaption = " (" + pszPhysicalView + ")";
pgrfCDW |= (int)__VSCREATEDOCWIN.CDW_fAltDocData;
return(VSConstants.S_OK);
}
catch (Exception error)
{
System.Windows.Forms.MessageBox.Show(error.Message);
}
return(VSConstants.E_INVALIDARG);
}
private void Initialize(string value)
{
IVsTextLines lines = (IVsTextLines)textBuffer;
lines.InitializeContent(value, value.Length);
}
public int InitializeContent(string pszText, int iLength)
{
return(_textBuffer.InitializeContent(pszText, iLength));
}
