added unknown widget support

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@8391 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

contrib/src/xml/xh_unkwn.cpp

@@ -0,0 +1,61 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        xh_unkwn.cpp
+// Purpose:     XML resource for unknown widget
+// Author:      Vaclav Slavik
+// Created:     2000/09/09
+// RCS-ID:      $Id$
+// Copyright:   (c) 2000 Vaclav Slavik
+// Licence:     wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+ 
+#ifdef __GNUG__
+#pragma implementation "xh_unkwn.h"
+#endif
+
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
+#ifdef __BORLANDC__
+    #pragma hdrstop
+#endif
+
+#include "wx/xml/xh_unkwn.h"
+#include "wx/window.h"
+#include "wx/log.h"
+
+
+wxUnknownWidgetXmlHandler::wxUnknownWidgetXmlHandler() 
+: wxXmlResourceHandler() 
+{
+    AddWindowStyles();
+}
+
+wxObject *wxUnknownWidgetXmlHandler::DoCreateResource()
+{ 
+    long id = GetLong(_T("id"), -1);
+    wxString name = GetParamValue(_T("name"));
+    
+    wxWindow *wnd = NULL;
+    
+    if (id != -1)
+        wnd = m_ParentAsWindow->FindWindow(id);
+    if (wnd == NULL && !name.IsEmpty())
+        wnd = m_ParentAsWindow->FindWindow(name);
+        
+    if (wnd == NULL)
+        wxLogError(_T("Cannot find specified window for <unknown> (id=%li, name='%s')."), id, name.mb_str());
+    else
+    {
+        if (wnd->GetParent() != m_ParentAsWindow)
+            wnd->Reparent(m_ParentAsWindow);
+        SetupWindow(wnd);
+    }
+
+    return wnd;
+}
+
+bool wxUnknownWidgetXmlHandler::CanHandle(wxXmlNode *node)
+{
+    return node->GetName() == _T("unknown");
+}
+