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(), m_isInside(false), m_tbk(NULL), m_treeContext()
  30 {
  31     XRC_ADD_STYLE(wxBK_DEFAULT);
  32     XRC_ADD_STYLE(wxBK_TOP);
  33     XRC_ADD_STYLE(wxBK_BOTTOM);
  34     XRC_ADD_STYLE(wxBK_LEFT);
  35     XRC_ADD_STYLE(wxBK_RIGHT);
  36
  37     AddWindowStyles();
  38 }
  39
  40 bool wxTreebookXmlHandler::CanHandle(wxXmlNode *node)
  41 {
  42     return ((!m_isInside && IsOfClass(node, wxT("wxTreebook"))) ||
  43             (m_isInside && IsOfClass(node, wxT("treebookpage"))));
  44 }
  45
  46
  47 wxObject *wxTreebookXmlHandler::DoCreateResource()
  48 {
  49     if (m_class == wxT("wxTreebook"))
  50     {
  51         XRC_MAKE_INSTANCE(tbk, wxTreebook)
  52
  53         tbk->Create(m_parentAsWindow,
  54                     GetID(),
  55                     GetPosition(), GetSize(),
  56                     GetStyle(wxT("style")),
  57                     GetName());
  58
  59         wxTreebook * old_par = m_tbk;
  60         m_tbk = tbk;
  61
  62         bool old_ins = m_isInside;
  63         m_isInside = true;
  64
  65         wxArrayTbkPageIndexes old_treeContext = m_treeContext;
  66         m_treeContext.Clear();
  67
  68         CreateChildren(m_tbk, true/*only this handler*/);
  69
  70         m_treeContext = old_treeContext;
  71         m_isInside = old_ins;
  72         m_tbk = old_par;
  73
  74         return tbk;
  75     }
  76
  77 //    else ( m_class == wxT("treebookpage") )
  78     wxXmlNode *n = GetParamNode(wxT("object"));
  79     wxWindow *wnd = NULL;
  80
  81     if ( !n )
  82         n = GetParamNode(wxT("object_ref"));
  83
  84     if (n)
  85     {
  86         bool old_ins = m_isInside;
  87         m_isInside = false;
  88         wxObject *item = CreateResFromNode(n, m_tbk, NULL);
  89         m_isInside = old_ins;
  90         wnd = wxDynamicCast(item, wxWindow);
  91
  92         if (wnd == NULL && item != NULL)
  93             wxLogError(wxT("Error in resource: control within treebook's <page> tag is not a window."));
  94     }
  95
  96     size_t depth = GetLong( wxT("depth") );
  97
  98     if( depth <= m_treeContext.Count() )
  99     {
 100         // first prepare the icon
 101         int imgIndex = wxNOT_FOUND;
 102         if ( HasParam(wxT("bitmap")) )
 103         {
 104             wxBitmap bmp = GetBitmap(wxT("bitmap"), wxART_OTHER);
 105             wxImageList *imgList = m_tbk->GetImageList();
 106             if ( imgList == NULL )
 107             {
 108                 imgList = new wxImageList( bmp.GetWidth(), bmp.GetHeight() );
 109                 m_tbk->AssignImageList( imgList );
 110             }
 111             imgIndex = imgList->Add(bmp);
 112         }
 113
 114         // then add the page to the corresponding parent
 115         if( depth < m_treeContext.Count() )
 116             m_treeContext.RemoveAt(depth, m_treeContext.Count() - depth );
 117         if( depth == 0)
 118         {
 119             m_tbk->AddPage(wnd,
 120                 GetText(wxT("label")), GetBool(wxT("selected")), imgIndex);
 121         }
 122         else
 123         {
 124             m_tbk->AddSubPage(m_treeContext.Item(depth - 1), wnd,
 125                 GetText(wxT("label")), GetBool(wxT("selected")), imgIndex);
 126         }
 127
 128         m_treeContext.Add( m_tbk->GetPageCount() - 1);
 129
 130     }
 131     else
 132         wxLogError(wxT("Error in resource. wxTreebookPage has an invalid depth."));
 133     return wnd;
 134 }
 135
 136 #endif // wxUSE_XRC && wxUSE_TREEBOOK