/// <summary>
/// Provides a first chance to tell the shell that this window is capable of handling certain commands. Implements IOleCommandTarget.QueryStatus
/// </summary>
protected int QueryStatus(ref Guid pguidCmdGroup, uint cCmds, MSOLE.OLECMD[] prgCmds, IntPtr pCmdText)
{
int hr = VSConstants.S_OK;
bool handled = true;
// Only handle commands from the Office 97 Command Set (aka VSStandardCommandSet97).
if (pguidCmdGroup == VSConstants.GUID_VSStandardCommandSet97)
{
// There typically is only one command passed in to this array - in any case, we only care
// about the first command.
MSOLE.OLECMD cmd = prgCmds[0];
switch ((VSConstants.VSStd97CmdID)cmd.cmdID)
{
case VSConstants.VSStd97CmdID.Delete:
// Always support this command, disabling it if necessary per the control.
cmd.cmdf = (uint)(MSOLE.OLECMDF.OLECMDF_SUPPORTED | (myEditor.CanDelete ? MSOLE.OLECMDF.OLECMDF_ENABLED : 0));
prgCmds[0] = cmd;
break;
case VSConstants.VSStd97CmdID.EditLabel:
// Support this command regardless of the current state of the inline editor.
// If we do not do this, then an F2 keypress with an editor already open will
// report the command as disabled and we would need to use IVsUIShell.UpdateCommandUI
// whenever an editor closed to reenable the command.
cmd.cmdf = (int)(MSOLE.OLECMDF.OLECMDF_SUPPORTED | MSOLE.OLECMDF.OLECMDF_ENABLED);
prgCmds[0] = cmd;
break;
default:
// Inform the shell that we don't support any other commands.
handled = false;
hr = (int)MSOLE.Constants.OLECMDERR_E_NOTSUPPORTED;
break;
}
}
else
{
// Inform the shell that we don't recognize this command group.
handled = false;
hr = (int)MSOLE.Constants.OLECMDERR_E_UNKNOWNGROUP;
}
if (!handled)
{
Debug.Assert(ErrorHandler.Failed(hr));
ModelingDocData docData = CurrentDocument;
Microsoft.VisualStudio.Modeling.Shell.UndoManager undoManager;
MSOLE.IOleCommandTarget forwardTo;
if ((docData != null &&
null != (undoManager = docData.UndoManager) &&
null != (forwardTo = undoManager.VSUndoManager as MSOLE.IOleCommandTarget)) ||
null != (forwardTo = GetService(typeof(MSOLE.IOleCommandTarget)) as MSOLE.IOleCommandTarget))
{
// If the command wasn't handled already, forward it to the undo manager.
hr = forwardTo.QueryStatus(ref pguidCmdGroup, cCmds, prgCmds, pCmdText);
}
}
return(hr);
}
/// <summary>
/// Provides a first chance to tell the shell that this window is capable of handling certain commands. Implements IOleCommandTarget.QueryStatus
/// </summary>
protected int QueryStatus(ref Guid pguidCmdGroup, uint cCmds, MSOLE.OLECMD[] prgCmds, IntPtr pCmdText)
{
int hr = VSConstants.S_OK;
bool handled = true;
// Only handle commands from the Office 97 Command Set (aka VSStandardCommandSet97).
if (pguidCmdGroup == VSConstants.GUID_VSStandardCommandSet97)
{
// There typically is only one command passed in to this array - in any case, we only care
// about the first command.
MSOLE.OLECMD cmd = prgCmds[0];
MSOLE.OLECMDF flags = 0;
ReadingRichTextBox activeRichTextEditor = myActiveInlineEditor as ReadingRichTextBox;
switch ((VSConstants.VSStd97CmdID)cmd.cmdID)
{
case VSConstants.VSStd97CmdID.Cut:
if (activeRichTextEditor != null)
{
flags = (myRichTextSelected && !myRichTextProtected) ? MSOLE.OLECMDF.OLECMDF_SUPPORTED | MSOLE.OLECMDF.OLECMDF_ENABLED : MSOLE.OLECMDF.OLECMDF_SUPPORTED;
}
break;
case VSConstants.VSStd97CmdID.Copy:
if (activeRichTextEditor != null)
{
flags = myRichTextSelected ? MSOLE.OLECMDF.OLECMDF_SUPPORTED | MSOLE.OLECMDF.OLECMDF_ENABLED : MSOLE.OLECMDF.OLECMDF_SUPPORTED;
}
break;
case VSConstants.VSStd97CmdID.Paste:
if (activeRichTextEditor != null)
{
flags = (!myRichTextProtected && (Clipboard.ContainsText(TextDataFormat.Text) || Clipboard.ContainsText(TextDataFormat.UnicodeText))) ? MSOLE.OLECMDF.OLECMDF_SUPPORTED | MSOLE.OLECMDF.OLECMDF_ENABLED : MSOLE.OLECMDF.OLECMDF_SUPPORTED;
}
break;
case VSConstants.VSStd97CmdID.SelectAll:
if (activeRichTextEditor != null)
{
flags = MSOLE.OLECMDF.OLECMDF_SUPPORTED | MSOLE.OLECMDF.OLECMDF_ENABLED;
}
break;
case VSConstants.VSStd97CmdID.Redo:
case VSConstants.VSStd97CmdID.MultiLevelRedo:
case VSConstants.VSStd97CmdID.MultiLevelUndo:
if (activeRichTextEditor != null)
{
flags = MSOLE.OLECMDF.OLECMDF_SUPPORTED;
}
break;
case VSConstants.VSStd97CmdID.Undo:
if (activeRichTextEditor != null)
{
flags = activeRichTextEditor.CanUndo ? MSOLE.OLECMDF.OLECMDF_SUPPORTED | MSOLE.OLECMDF.OLECMDF_ENABLED : MSOLE.OLECMDF.OLECMDF_SUPPORTED;
}
break;
case VSConstants.VSStd97CmdID.Delete:
// Inform the shell that we should have a chance to handle the delete command.
if (!this.myForm.ReadingEditor.EditingFactType.IsEmpty)
{
flags = MSOLE.OLECMDF.OLECMDF_SUPPORTED | MSOLE.OLECMDF.OLECMDF_ENABLED;
}
break;
case VSConstants.VSStd97CmdID.EditLabel:
// Support this command regardless of the current state of the inline editor.
// If we do not do this, then an F2 keypress with an editor already open will
// report the command as disabled and we would need to use IVsUIShell.UpdateCommandUI
// whenever an editor closed to reenable the command.
flags = MSOLE.OLECMDF.OLECMDF_SUPPORTED | MSOLE.OLECMDF.OLECMDF_ENABLED;
break;
}
if (flags == 0)
{
// Inform the shell that we don't support the command.
handled = false;
hr = (int)MSOLE.Constants.OLECMDERR_E_NOTSUPPORTED;
}
else
{
cmd.cmdf = (uint)flags;
prgCmds[0] = cmd;
}
}
else
{
// Inform the shell that we don't recognize this command group.
handled = false;
hr = (int)MSOLE.Constants.OLECMDERR_E_UNKNOWNGROUP;
}
if (!handled)
{
Debug.Assert(ErrorHandler.Failed(hr));
ModelingDocData docData = CurrentDocument;
Microsoft.VisualStudio.Modeling.Shell.UndoManager undoManager;
MSOLE.IOleCommandTarget forwardTo;
if ((docData != null &&
null != (undoManager = docData.UndoManager) &&
null != (forwardTo = undoManager.VSUndoManager as MSOLE.IOleCommandTarget)) ||
null != (forwardTo = GetService(typeof(MSOLE.IOleCommandTarget)) as MSOLE.IOleCommandTarget))
{
// If the command wasn't handled already, forward it to the undo manager.
hr = forwardTo.QueryStatus(ref pguidCmdGroup, cCmds, prgCmds, pCmdText);
}
}
return(hr);
}