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         wxXmlNode *node = GetParamNode("object");
  80         int pageIndex = 0;
  81         for (unsigned int i = 0; i < m_tbk->GetPageCount(); i++)
  82         {
  83             if ( m_tbk->GetPage(i) )
  84             {
  85                 wxXmlNode *child = node->GetChildren();
  86                 while (child)
  87                 {
  88                     if (child->GetName() == "expanded" && child->GetNodeContent() == "1")
  89                         m_tbk->ExpandNode(pageIndex, true);
  90
  91                     child = child->GetNext();
  92                 }
  93                 pageIndex++;
  94             }
  95         }
  96
  97         m_treeContext = old_treeContext;
  98         m_isInside = old_ins;
  99         m_tbk = old_par;
 100
 101         return tbk;
 102     }
 103
 104 //    else ( m_class == wxT("treebookpage") )
 105     wxXmlNode *n = GetParamNode(wxT("object"));
 106     wxWindow *wnd = NULL;
 107
 108     if ( !n )
 109         n = GetParamNode(wxT("object_ref"));
 110
 111     if (n)
 112     {
 113         bool old_ins = m_isInside;
 114         m_isInside = false;
 115         wxObject *item = CreateResFromNode(n, m_tbk, NULL);
 116         m_isInside = old_ins;
 117         wnd = wxDynamicCast(item, wxWindow);
 118
 119         if (wnd == NULL && item != NULL)
 120         {
 121             ReportError(n, "treebookpage child must be a window");
 122         }
 123     }
 124
 125     size_t depth = GetLong( wxT("depth") );
 126
 127     if( depth <= m_treeContext.GetCount() )
 128     {
 129         // first prepare the icon
 130         int imgIndex = wxNOT_FOUND;
 131         if ( HasParam(wxT("bitmap")) )
 132         {
 133             wxBitmap bmp = GetBitmap(wxT("bitmap"), wxART_OTHER);
 134             wxImageList *imgList = m_tbk->GetImageList();
 135             if ( imgList == NULL )
 136             {
 137                 imgList = new wxImageList( bmp.GetWidth(), bmp.GetHeight() );
 138                 m_tbk->AssignImageList( imgList );
 139             }
 140             imgIndex = imgList->Add(bmp);
 141         }
 142         else if ( HasParam(wxT("image")) )
 143         {
 144             if ( m_tbk->GetImageList() )
 145             {
 146                 imgIndex = GetLong(wxT("image"));
 147             }
 148             else // image without image list?
 149             {
 150                 ReportError(n, "image can only be used in conjunction "
 151                                "with imagelist");
 152             }
 153         }
 154
 155         // then add the page to the corresponding parent
 156         if( depth < m_treeContext.GetCount() )
 157             m_treeContext.RemoveAt(depth, m_treeContext.GetCount() - depth );
 158         if( depth == 0)
 159         {
 160             m_tbk->AddPage(wnd,
 161                 GetText(wxT("label")), GetBool(wxT("selected")), imgIndex);
 162         }
 163         else
 164         {
 165             m_tbk->InsertSubPage(m_treeContext.Item(depth - 1), wnd,
 166                 GetText(wxT("label")), GetBool(wxT("selected")), imgIndex);
 167         }
 168
 169         m_treeContext.Add( m_tbk->GetPageCount() - 1);
 170
 171     }
 172     else
 173     {
 174         ReportParamError("depth", "invalid depth");
 175     }
 176
 177     return wnd;
 178 }
 179
 180 #endif // wxUSE_XRC && wxUSE_TREEBOOK