src/xrc/xh_treebk.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        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(), m_isInside(false), m_tbk(NULL), m_treeContext()
  30 {
  31     XRC_ADD_STYLE(wxTBK_DEFAULT);
  32     XRC_ADD_STYLE(wxTBK_LEFT);
  33     XRC_ADD_STYLE(wxTBK_RIGHT);
  34
  35     AddWindowStyles();
  36 }
  37
  38 bool wxTreebookXmlHandler::CanHandle(wxXmlNode *node)
  39 {
  40     return ((!m_isInside && IsOfClass(node, wxT("wxTreebook"))) ||
  41             (m_isInside && IsOfClass(node, wxT("treebookpage"))));
  42 }
  43
  44
  45 wxObject *wxTreebookXmlHandler::DoCreateResource()
  46 {
  47     if (m_class == wxT("wxTreebook"))
  48     {
  49         XRC_MAKE_INSTANCE(tbk, wxTreebook)
  50
  51         tbk->Create(m_parentAsWindow,
  52                     GetID(),
  53                     GetPosition(), GetSize(),
  54                     GetStyle(wxT("style")),
  55                     GetName());
  56
  57         wxTreebook * old_par = m_tbk;
  58         m_tbk = tbk;
  59
  60         bool old_ins = m_isInside;
  61         m_isInside = true;
  62
  63         wxArrayTbkPageIndexes old_treeContext = m_treeContext;
  64         m_treeContext.Clear();
  65
  66         CreateChildren(m_tbk, true/*only this handler*/);
  67
  68         m_treeContext = old_treeContext;
  69         m_isInside = old_ins;
  70         m_tbk = old_par;
  71
  72         return tbk;
  73     }
  74
  75 //    else ( m_class == wxT("treebookpage") )
  76     wxXmlNode *n = GetParamNode(wxT("object"));
  77     wxWindow *wnd = NULL;
  78
  79     if ( !n )
  80         n = GetParamNode(wxT("object_ref"));
  81
  82     if (n)
  83     {
  84         bool old_ins = m_isInside;
  85         m_isInside = false;
  86         wxObject *item = CreateResFromNode(n, m_tbk, NULL);
  87         m_isInside = old_ins;
  88         wnd = wxDynamicCast(item, wxWindow);
  89
  90         if (wnd == NULL && item != NULL)
  91             wxLogError(wxT("Error in resource: control within treebook's <page> tag is not a window."));
  92     }
  93
  94     size_t depth = GetLong( wxT("depth") );
  95
  96     if( depth <= m_treeContext.Count() )
  97     {
  98         // first prepare the icon
  99         int imgIndex = wxNOT_FOUND;
 100         if ( HasParam(wxT("bitmap")) )
 101         {
 102             wxBitmap bmp = GetBitmap(wxT("bitmap"), wxART_OTHER);
 103             wxImageList *imgList = m_tbk->GetImageList();
 104             if ( imgList == NULL )
 105             {
 106                 imgList = new wxImageList( bmp.GetWidth(), bmp.GetHeight() );
 107                 m_tbk->AssignImageList( imgList );
 108             }
 109             imgIndex = imgList->Add(bmp);
 110         }
 111
 112         // then add the page to the corresponding parent
 113         if( depth < m_treeContext.Count() )
 114             m_treeContext.RemoveAt(depth, m_treeContext.Count() - depth );
 115         if( depth == 0)
 116         {
 117             m_tbk->AddPage(wnd,
 118                 GetText(wxT("label")), GetBool(wxT("selected")), imgIndex);
 119         }
 120         else
 121         {
 122             m_tbk->AddSubPage(m_treeContext.Item(depth - 1), wnd,
 123                 GetText(wxT("label")), GetBool(wxT("selected")), imgIndex);
 124         }
 125
 126         m_treeContext.Add( m_tbk->GetPageCount() - 1);
 127
 128     }
 129     else
 130         wxLogError(wxT("Error in resource. wxTreebookPage has an invalid depth."));
 131     return wnd;
 132 }
 133
 134 #endif // wxUSE_XRC && wxUSE_TREEBOOK