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         wxImageList *imagelist = GetImageList();
  65         if ( imagelist )
  66             tbk->AssignImageList(imagelist);
  67
  68         wxTreebook * old_par = m_tbk;
  69         m_tbk = tbk;
  70
  71         bool old_ins = m_isInside;
  72         m_isInside = true;
  73
  74         wxArrayTbkPageIndexes old_treeContext = m_treeContext;
  75         m_treeContext.Clear();
  76
  77         CreateChildren(m_tbk, true/*only this handler*/);
  78
  79         m_treeContext = old_treeContext;
  80         m_isInside = old_ins;
  81         m_tbk = old_par;
  82
  83         return tbk;
  84     }
  85
  86 //    else ( m_class == wxT("treebookpage") )
  87     wxXmlNode *n = GetParamNode(wxT("object"));
  88     wxWindow *wnd = NULL;
  89
  90     if ( !n )
  91         n = GetParamNode(wxT("object_ref"));
  92
  93     if (n)
  94     {
  95         bool old_ins = m_isInside;
  96         m_isInside = false;
  97         wxObject *item = CreateResFromNode(n, m_tbk, NULL);
  98         m_isInside = old_ins;
  99         wnd = wxDynamicCast(item, wxWindow);
 100
 101         if (wnd == NULL && item != NULL)
 102         {
 103             ReportError(n, "treebookpage child must be a window");
 104         }
 105     }
 106
 107     size_t depth = GetLong( wxT("depth") );
 108
 109     if( depth <= m_treeContext.GetCount() )
 110     {
 111         // first prepare the icon
 112         int imgIndex = wxNOT_FOUND;
 113         if ( HasParam(wxT("bitmap")) )
 114         {
 115             wxBitmap bmp = GetBitmap(wxT("bitmap"), wxART_OTHER);
 116             wxImageList *imgList = m_tbk->GetImageList();
 117             if ( imgList == NULL )
 118             {
 119                 imgList = new wxImageList( bmp.GetWidth(), bmp.GetHeight() );
 120                 m_tbk->AssignImageList( imgList );
 121             }
 122             imgIndex = imgList->Add(bmp);
 123         }
 124         else if ( HasParam(wxT("image")) )
 125         {
 126             if ( m_tbk->GetImageList() )
 127             {
 128                 imgIndex = GetLong(wxT("image"));
 129             }
 130             else // image without image list?
 131             {
 132                 ReportError(n, "image can only be used in conjunction "
 133                                "with imagelist");
 134             }
 135         }
 136
 137         // then add the page to the corresponding parent
 138         if( depth < m_treeContext.GetCount() )
 139             m_treeContext.RemoveAt(depth, m_treeContext.GetCount() - depth );
 140         if( depth == 0)
 141         {
 142             m_tbk->AddPage(wnd,
 143                 GetText(wxT("label")), GetBool(wxT("selected")), imgIndex);
 144         }
 145         else
 146         {
 147             m_tbk->InsertSubPage(m_treeContext.Item(depth - 1), wnd,
 148                 GetText(wxT("label")), GetBool(wxT("selected")), imgIndex);
 149         }
 150
 151         m_treeContext.Add( m_tbk->GetPageCount() - 1);
 152
 153     }
 154     else
 155     {
 156         ReportParamError("depth", "invalid depth");
 157     }
 158
 159     return wnd;
 160 }
 161
 162 #endif // wxUSE_XRC && wxUSE_TREEBOOK