src/xrc/xh_treebk.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/xrc/xh_treebk.cpp
   3 // Purpose:     XRC resource handler for wxTreebook
   4 // Author:      Evgeniy Tarassov
   5 // Created:     2005/09/28
   6 // RCS-ID:      $Id$
   7 // Copyright:   (c) 2005 TT-Solutions <vadim@tt-solutions.com>
   8 // Licence:     wxWindows licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 // For compilers that support precompilation, includes "wx.h".
  12 #include "wx/wxprec.h"
  13
  14 #ifdef __BORLANDC__
  15     #pragma hdrstop
  16 #endif
  17
  18 #if wxUSE_XRC && wxUSE_TREEBOOK
  19
  20 #include "wx/xrc/xh_treebk.h"
  21
  22 #include "wx/treebook.h"
  23 #include "wx/imaglist.h"
  24 #include "wx/log.h"
  25
  26 IMPLEMENT_DYNAMIC_CLASS(wxTreebookXmlHandler, wxXmlResourceHandler)
  27
  28 wxTreebookXmlHandler::wxTreebookXmlHandler()
  29                     : wxXmlResourceHandler(),
  30                       m_tbk(NULL),
  31                       m_isInside(false)
  32 {
  33     XRC_ADD_STYLE(wxBK_DEFAULT);
  34     XRC_ADD_STYLE(wxBK_TOP);
  35     XRC_ADD_STYLE(wxBK_BOTTOM);
  36     XRC_ADD_STYLE(wxBK_LEFT);
  37     XRC_ADD_STYLE(wxBK_RIGHT);
  38
  39     AddWindowStyles();
  40 }
  41
  42 bool wxTreebookXmlHandler::CanHandle(wxXmlNode *node)
  43 {
  44     return ((!m_isInside && IsOfClass(node, wxT("wxTreebook"))) ||
  45             (m_isInside && IsOfClass(node, wxT("treebookpage"))));
  46 }
  47
  48
  49 wxObject *wxTreebookXmlHandler::DoCreateResource()
  50 {
  51     if (m_class == wxT("wxTreebook"))
  52     {
  53         XRC_MAKE_INSTANCE(tbk, wxTreebook)
  54
  55         tbk->Create(m_parentAsWindow,
  56                     GetID(),
  57                     GetPosition(), GetSize(),
  58                     GetStyle(wxT("style")),
  59                     GetName());
  60
  61         wxTreebook * old_par = m_tbk;
  62         m_tbk = tbk;
  63
  64         bool old_ins = m_isInside;
  65         m_isInside = true;
  66
  67         wxArrayTbkPageIndexes old_treeContext = m_treeContext;
  68         m_treeContext.Clear();
  69
  70         CreateChildren(m_tbk, true/*only this handler*/);
  71
  72         m_treeContext = old_treeContext;
  73         m_isInside = old_ins;
  74         m_tbk = old_par;
  75
  76         return tbk;
  77     }
  78
  79 //    else ( m_class == wxT("treebookpage") )
  80     wxXmlNode *n = GetParamNode(wxT("object"));
  81     wxWindow *wnd = NULL;
  82
  83     if ( !n )
  84         n = GetParamNode(wxT("object_ref"));
  85
  86     if (n)
  87     {
  88         bool old_ins = m_isInside;
  89         m_isInside = false;
  90         wxObject *item = CreateResFromNode(n, m_tbk, NULL);
  91         m_isInside = old_ins;
  92         wnd = wxDynamicCast(item, wxWindow);
  93
  94         if (wnd == NULL && item != NULL)
  95             wxLogError(wxT("Error in resource: control within treebook's <page> tag is not a window."));
  96     }
  97
  98     size_t depth = GetLong( wxT("depth") );
  99
 100     if( depth <= m_treeContext.Count() )
 101     {
 102         // first prepare the icon
 103         int imgIndex = wxNOT_FOUND;
 104         if ( HasParam(wxT("bitmap")) )
 105         {
 106             wxBitmap bmp = GetBitmap(wxT("bitmap"), wxART_OTHER);
 107             wxImageList *imgList = m_tbk->GetImageList();
 108             if ( imgList == NULL )
 109             {
 110                 imgList = new wxImageList( bmp.GetWidth(), bmp.GetHeight() );
 111                 m_tbk->AssignImageList( imgList );
 112             }
 113             imgIndex = imgList->Add(bmp);
 114         }
 115
 116         // then add the page to the corresponding parent
 117         if( depth < m_treeContext.Count() )
 118             m_treeContext.RemoveAt(depth, m_treeContext.Count() - depth );
 119         if( depth == 0)
 120         {
 121             m_tbk->AddPage(wnd,
 122                 GetText(wxT("label")), GetBool(wxT("selected")), imgIndex);
 123         }
 124         else
 125         {
 126             m_tbk->AddSubPage(m_treeContext.Item(depth - 1), wnd,
 127                 GetText(wxT("label")), GetBool(wxT("selected")), imgIndex);
 128         }
 129
 130         m_treeContext.Add( m_tbk->GetPageCount() - 1);
 131
 132     }
 133     else
 134         wxLogError(wxT("Error in resource. wxTreebookPage has an invalid depth."));
 135     return wnd;
 136 }
 137
 138 #endif // wxUSE_XRC && wxUSE_TREEBOOK