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 #include "wx/xml/xml.h"
  30
  31 IMPLEMENT_DYNAMIC_CLASS(wxTreebookXmlHandler, wxXmlResourceHandler)
  32
  33 wxTreebookXmlHandler::wxTreebookXmlHandler()
  34                     : wxXmlResourceHandler(),
  35                       m_tbk(NULL),
  36                       m_isInside(false)
  37 {
  38     XRC_ADD_STYLE(wxBK_DEFAULT);
  39     XRC_ADD_STYLE(wxBK_TOP);
  40     XRC_ADD_STYLE(wxBK_BOTTOM);
  41     XRC_ADD_STYLE(wxBK_LEFT);
  42     XRC_ADD_STYLE(wxBK_RIGHT);
  43
  44     AddWindowStyles();
  45 }
  46
  47 bool wxTreebookXmlHandler::CanHandle(wxXmlNode *node)
  48 {
  49     return ((!m_isInside && IsOfClass(node, wxT("wxTreebook"))) ||
  50             (m_isInside && IsOfClass(node, wxT("treebookpage"))));
  51 }
  52
  53
  54 wxObject *wxTreebookXmlHandler::DoCreateResource()
  55 {
  56     if (m_class == wxT("wxTreebook"))
  57     {
  58         XRC_MAKE_INSTANCE(tbk, wxTreebook)
  59
  60         tbk->Create(m_parentAsWindow,
  61                     GetID(),
  62                     GetPosition(), GetSize(),
  63                     GetStyle(wxT("style")),
  64                     GetName());
  65
  66         wxImageList *imagelist = GetImageList();
  67         if ( imagelist )
  68             tbk->AssignImageList(imagelist);
  69
  70         wxTreebook * old_par = m_tbk;
  71         m_tbk = tbk;
  72
  73         bool old_ins = m_isInside;
  74         m_isInside = true;
  75
  76         wxArrayTbkPageIndexes old_treeContext = m_treeContext;
  77         m_treeContext.Clear();
  78
  79         CreateChildren(m_tbk, true/*only this handler*/);
  80
  81         wxXmlNode *node = GetParamNode("object");
  82         int pageIndex = 0;
  83         for (unsigned int i = 0; i < m_tbk->GetPageCount(); i++)
  84         {
  85             if ( m_tbk->GetPage(i) )
  86             {
  87                 wxXmlNode *child = node->GetChildren();
  88                 while (child)
  89                 {
  90                     if (child->GetName() == "expanded" && child->GetNodeContent() == "1")
  91                         m_tbk->ExpandNode(pageIndex, true);
  92
  93                     child = child->GetNext();
  94                 }
  95                 pageIndex++;
  96             }
  97         }
  98
  99         m_treeContext = old_treeContext;
 100         m_isInside = old_ins;
 101         m_tbk = old_par;
 102
 103         return tbk;
 104     }
 105
 106 //    else ( m_class == wxT("treebookpage") )
 107     wxXmlNode *n = GetParamNode(wxT("object"));
 108     wxWindow *wnd = NULL;
 109
 110     if ( !n )
 111         n = GetParamNode(wxT("object_ref"));
 112
 113     if (n)
 114     {
 115         bool old_ins = m_isInside;
 116         m_isInside = false;
 117         wxObject *item = CreateResFromNode(n, m_tbk, NULL);
 118         m_isInside = old_ins;
 119         wnd = wxDynamicCast(item, wxWindow);
 120
 121         if (wnd == NULL && item != NULL)
 122         {
 123             ReportError(n, "treebookpage child must be a window");
 124         }
 125     }
 126
 127     size_t depth = GetLong( wxT("depth") );
 128
 129     if( depth <= m_treeContext.GetCount() )
 130     {
 131         // first prepare the icon
 132         int imgIndex = wxNOT_FOUND;
 133         if ( HasParam(wxT("bitmap")) )
 134         {
 135             wxBitmap bmp = GetBitmap(wxT("bitmap"), wxART_OTHER);
 136             wxImageList *imgList = m_tbk->GetImageList();
 137             if ( imgList == NULL )
 138             {
 139                 imgList = new wxImageList( bmp.GetWidth(), bmp.GetHeight() );
 140                 m_tbk->AssignImageList( imgList );
 141             }
 142             imgIndex = imgList->Add(bmp);
 143         }
 144         else if ( HasParam(wxT("image")) )
 145         {
 146             if ( m_tbk->GetImageList() )
 147             {
 148                 imgIndex = GetLong(wxT("image"));
 149             }
 150             else // image without image list?
 151             {
 152                 ReportError(n, "image can only be used in conjunction "
 153                                "with imagelist");
 154             }
 155         }
 156
 157         // then add the page to the corresponding parent
 158         if( depth < m_treeContext.GetCount() )
 159             m_treeContext.RemoveAt(depth, m_treeContext.GetCount() - depth );
 160         if( depth == 0)
 161         {
 162             m_tbk->AddPage(wnd,
 163                 GetText(wxT("label")), GetBool(wxT("selected")), imgIndex);
 164         }
 165         else
 166         {
 167             m_tbk->InsertSubPage(m_treeContext.Item(depth - 1), wnd,
 168                 GetText(wxT("label")), GetBool(wxT("selected")), imgIndex);
 169         }
 170
 171         m_treeContext.Add( m_tbk->GetPageCount() - 1);
 172
 173     }
 174     else
 175     {
 176         ReportParamError("depth", "invalid depth");
 177     }
 178
 179     return wnd;
 180 }
 181
 182 #endif // wxUSE_XRC && wxUSE_TREEBOOK