/// <summary>
/// Default ctor
/// </summary>
internal XmlEditorPane(Dot42Package package, IXmlEditorPaneContext context, string fileName, IVsTextLines textBuffer)
: base(null)
{
thisPackage = package;
this.context = context;
_fileName = fileName;
this.textBuffer = textBuffer;
}
/// <summary>
/// Default ctor
/// </summary>
internal XmlEditorPane(Dot42Package package, IXmlEditorPaneContext context, string fileName, IVsTextLines textBuffer)
: base(null)
{
thisPackage = package;
this.context = context;
_fileName = fileName;
this.textBuffer = textBuffer;
}
/// <summary>
/// Creates the document view.
/// </summary>
/// <param name="physicalView">The physical view.</param>
/// <param name="itemid">The itemid.</param>
/// <param name="textLines">The text lines.</param>
/// <param name="editorCaption">The editor caption.</param>
/// <param name="cmdUI">The CMD UI.</param>
/// <param name="documentPath">The document path.</param>
/// <returns></returns>
private IntPtr CreateDocumentView(string physicalView, uint itemid, IVsTextLines textLines, out string editorCaption, out Guid cmdUI, string documentPath, IXmlEditorPaneContext context)
{
// Initialize out parameters
editorCaption = String.Empty;
cmdUI = Guid.Empty;
if (String.IsNullOrEmpty(physicalView))
{
// Create Code view as default physical view
return(this.CreateCodeView(textLines, ref editorCaption, ref cmdUI));
}
if (physicalView == "Design")
{
try
{
// Create Designer View
return(this.CreateDesignerView(itemid, textLines, ref editorCaption, ref cmdUI, documentPath, context));
}
catch (InvalidOperationException ex)
{
var openCodeEditor = MessageBox.Show(ex.Message, null, MessageBoxButtons.YesNo, MessageBoxIcon.Warning) == DialogResult.Yes;
if (openCodeEditor)
{
// Create Code view instead
return(this.CreateCodeView(textLines, ref editorCaption, ref cmdUI));
}
// Could not handle exception, rethrow
throw;
}
}
// We couldn't create the view
// Return special error code so VS can try another editor factory.
ErrorHandler.ThrowOnFailure(VSConstants.VS_E_UNSUPPORTEDFORMAT);
return(IntPtr.Zero);
}
/// <summary>
/// Creates the designer view.
/// </summary>
/// <param name="itemid">The itemid.</param>
/// <param name="textLines">The text lines.</param>
/// <param name="editorCaption">The editor caption.</param>
/// <param name="cmdUI">The CMD UI.</param>
/// <param name="documentMoniker">The document moniker.</param>
/// <returns></returns>
private IntPtr CreateDesignerView(uint itemid, IVsTextLines textLines, ref string editorCaption, ref Guid cmdUI, string documentMoniker, IXmlEditorPaneContext context)
{
// Create the editor pane
var editorPane = new XmlEditorPane(package, context, documentMoniker, textLines);
// Set the Command guid and the editor caption
cmdUI = GuidList.Guids.guidXmlEditorFactory;
editorCaption = " [Design]";
return(Marshal.GetIUnknownForObject(editorPane));
}
/// <summary>
/// Creates an instance of the FrameXML editor.
/// </summary>
public int CreateEditorInstance(
uint createEditorFlags,
string documentMoniker,
string physicalView,
IVsHierarchy hierarchy,
uint itemid,
IntPtr docDataExisting,
out IntPtr docView,
out IntPtr docData,
out string editorCaption,
out Guid commandUIGuid,
out int createDocumentWindowFlags)
{
// Initialize out parameters
docView = IntPtr.Zero;
docData = IntPtr.Zero;
commandUIGuid = new Guid(GuidList.Strings.guidXmlEditorFactory);
createDocumentWindowFlags = 0;
editorCaption = null;
// Validate inputs
if ((createEditorFlags & (VSConstants.CEF_OPENFILE | VSConstants.CEF_SILENT)) == 0)
{
return(VSConstants.E_INVALIDARG);
}
// Get item type
var projectItem = hierarchy.GetProjectItemFromHierarchy(itemid);
var itemType = projectItem.GetProjectItemType(serviceProvider);
IXmlEditorPaneContext context = null;
foreach (var ctx in editorContexts)
{
if (ctx.SupportsItemType(itemType))
{
context = ctx;
break;
}
}
if (context == null)
{
return(VSConstants.VS_E_UNSUPPORTEDFORMAT);
}
// Get the text buffer
IVsTextLines textLines = GetTextBuffer(docDataExisting, documentMoniker);
// Assign docData IntPtr to either existing docData or the new text buffer
docData = docDataExisting != IntPtr.Zero ? docDataExisting : Marshal.GetIUnknownForObject(textLines);
try
{
docView = CreateDocumentView(physicalView, itemid, textLines, out editorCaption, out commandUIGuid, documentMoniker, context);
}
finally
{
// If we were not able to create a view
if (docView == IntPtr.Zero)
{
// And we've created a new docData that is not the same as the docDataExisting
if (docDataExisting != docData && docData != IntPtr.Zero)
{
// Release the docData we have created and null it out
Marshal.Release(docData);
docData = IntPtr.Zero;
}
}
}
return(VSConstants.S_OK);
}
