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 #ifndef WX_PRECOMP
  23     #include "wx/log.h"
  24 #endif
  25
  26 #include "wx/treebook.h"
  27 #include "wx/imaglist.h"
  28
  29 IMPLEMENT_DYNAMIC_CLASS(wxTreebookXmlHandler, wxXmlResourceHandler)
  30
  31 wxTreebookXmlHandler::wxTreebookXmlHandler()
  32                     : wxXmlResourceHandler(),
  33                       m_tbk(NULL),
  34                       m_isInside(false)
  35 {
  36     XRC_ADD_STYLE(wxBK_DEFAULT);
  37     XRC_ADD_STYLE(wxBK_TOP);
  38     XRC_ADD_STYLE(wxBK_BOTTOM);
  39     XRC_ADD_STYLE(wxBK_LEFT);
  40     XRC_ADD_STYLE(wxBK_RIGHT);
  41
  42     AddWindowStyles();
  43 }
  44
  45 bool wxTreebookXmlHandler::CanHandle(wxXmlNode *node)
  46 {
  47     return ((!m_isInside && IsOfClass(node, wxT("wxTreebook"))) ||
  48             (m_isInside && IsOfClass(node, wxT("treebookpage"))));
  49 }
  50
  51
  52 wxObject *wxTreebookXmlHandler::DoCreateResource()
  53 {
  54     if (m_class == wxT("wxTreebook"))
  55     {
  56         XRC_MAKE_INSTANCE(tbk, wxTreebook)
  57
  58         tbk->Create(m_parentAsWindow,
  59                     GetID(),
  60                     GetPosition(), GetSize(),
  61                     GetStyle(wxT("style")),
  62                     GetName());
  63
  64         wxTreebook * old_par = m_tbk;
  65         m_tbk = tbk;
  66
  67         bool old_ins = m_isInside;
  68         m_isInside = true;
  69
  70         wxArrayTbkPageIndexes old_treeContext = m_treeContext;
  71         m_treeContext.Clear();
  72
  73         CreateChildren(m_tbk, true/*only this handler*/);
  74
  75         m_treeContext = old_treeContext;
  76         m_isInside = old_ins;
  77         m_tbk = old_par;
  78
  79         return tbk;
  80     }
  81
  82 //    else ( m_class == wxT("treebookpage") )
  83     wxXmlNode *n = GetParamNode(wxT("object"));
  84     wxWindow *wnd = NULL;
  85
  86     if ( !n )
  87         n = GetParamNode(wxT("object_ref"));
  88
  89     if (n)
  90     {
  91         bool old_ins = m_isInside;
  92         m_isInside = false;
  93         wxObject *item = CreateResFromNode(n, m_tbk, NULL);
  94         m_isInside = old_ins;
  95         wnd = wxDynamicCast(item, wxWindow);
  96
  97         if (wnd == NULL && item != NULL)
  98             wxLogError(wxT("Error in resource: control within treebook's <page> tag is not a window."));
  99     }
 100
 101     size_t depth = GetLong( wxT("depth") );
 102
 103     if( depth <= m_treeContext.GetCount() )
 104     {
 105         // first prepare the icon
 106         int imgIndex = wxNOT_FOUND;
 107         if ( HasParam(wxT("bitmap")) )
 108         {
 109             wxBitmap bmp = GetBitmap(wxT("bitmap"), wxART_OTHER);
 110             wxImageList *imgList = m_tbk->GetImageList();
 111             if ( imgList == NULL )
 112             {
 113                 imgList = new wxImageList( bmp.GetWidth(), bmp.GetHeight() );
 114                 m_tbk->AssignImageList( imgList );
 115             }
 116             imgIndex = imgList->Add(bmp);
 117         }
 118
 119         // then add the page to the corresponding parent
 120         if( depth < m_treeContext.GetCount() )
 121             m_treeContext.RemoveAt(depth, m_treeContext.GetCount() - depth );
 122         if( depth == 0)
 123         {
 124             m_tbk->AddPage(wnd,
 125                 GetText(wxT("label")), GetBool(wxT("selected")), imgIndex);
 126         }
 127         else
 128         {
 129             m_tbk->InsertSubPage(m_treeContext.Item(depth - 1), wnd,
 130                 GetText(wxT("label")), GetBool(wxT("selected")), imgIndex);
 131         }
 132
 133         m_treeContext.Add( m_tbk->GetPageCount() - 1);
 134
 135     }
 136     else
 137         wxLogError(wxT("Error in resource. wxTreebookPage has an invalid depth."));
 138     return wnd;
 139 }
 140
 141 #endif // wxUSE_XRC && wxUSE_TREEBOOK