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 // Copyright:   (c) 2005 TT-Solutions <vadim@tt-solutions.com>
   7 // Licence:     wxWindows licence
   8 /////////////////////////////////////////////////////////////////////////////
   9
  10 // For compilers that support precompilation, includes "wx.h".
  11 #include "wx/wxprec.h"
  12
  13 #ifdef __BORLANDC__
  14     #pragma hdrstop
  15 #endif
  16
  17 #if wxUSE_XRC && wxUSE_TREEBOOK
  18
  19 #include "wx/xrc/xh_treebk.h"
  20
  21 #ifndef WX_PRECOMP
  22     #include "wx/log.h"
  23 #endif
  24
  25 #include "wx/treebook.h"
  26 #include "wx/imaglist.h"
  27
  28 #include "wx/xml/xml.h"
  29
  30 IMPLEMENT_DYNAMIC_CLASS(wxTreebookXmlHandler, wxXmlResourceHandler)
  31
  32 wxTreebookXmlHandler::wxTreebookXmlHandler()
  33                     : wxXmlResourceHandler(),
  34                       m_tbk(NULL),
  35                       m_isInside(false)
  36 {
  37     XRC_ADD_STYLE(wxBK_DEFAULT);
  38     XRC_ADD_STYLE(wxBK_TOP);
  39     XRC_ADD_STYLE(wxBK_BOTTOM);
  40     XRC_ADD_STYLE(wxBK_LEFT);
  41     XRC_ADD_STYLE(wxBK_RIGHT);
  42
  43     AddWindowStyles();
  44 }
  45
  46 bool wxTreebookXmlHandler::CanHandle(wxXmlNode *node)
  47 {
  48     return ((!m_isInside && IsOfClass(node, wxT("wxTreebook"))) ||
  49             (m_isInside && IsOfClass(node, wxT("treebookpage"))));
  50 }
  51
  52
  53 wxObject *wxTreebookXmlHandler::DoCreateResource()
  54 {
  55     if (m_class == wxT("wxTreebook"))
  56     {
  57         XRC_MAKE_INSTANCE(tbk, wxTreebook)
  58
  59         tbk->Create(m_parentAsWindow,
  60                     GetID(),
  61                     GetPosition(), GetSize(),
  62                     GetStyle(wxT("style")),
  63                     GetName());
  64
  65         wxImageList *imagelist = GetImageList();
  66         if ( imagelist )
  67             tbk->AssignImageList(imagelist);
  68
  69         wxTreebook * old_par = m_tbk;
  70         m_tbk = tbk;
  71
  72         bool old_ins = m_isInside;
  73         m_isInside = true;
  74
  75         wxArrayTbkPageIndexes old_treeContext = m_treeContext;
  76         m_treeContext.Clear();
  77
  78         CreateChildren(m_tbk, true/*only this handler*/);
  79
  80         wxXmlNode *node = GetParamNode("object");
  81         int pageIndex = 0;
  82         for (unsigned int i = 0; i < m_tbk->GetPageCount(); i++)
  83         {
  84             if ( m_tbk->GetPage(i) )
  85             {
  86                 wxXmlNode *child = node->GetChildren();
  87                 while (child)
  88                 {
  89                     if (child->GetName() == "expanded" && child->GetNodeContent() == "1")
  90                         m_tbk->ExpandNode(pageIndex, true);
  91
  92                     child = child->GetNext();
  93                 }
  94                 pageIndex++;
  95             }
  96         }
  97
  98         m_treeContext = old_treeContext;
  99         m_isInside = old_ins;
 100         m_tbk = old_par;
 101
 102         return tbk;
 103     }
 104
 105 //    else ( m_class == wxT("treebookpage") )
 106     wxXmlNode *n = GetParamNode(wxT("object"));
 107     wxWindow *wnd = NULL;
 108
 109     if ( !n )
 110         n = GetParamNode(wxT("object_ref"));
 111
 112     if (n)
 113     {
 114         bool old_ins = m_isInside;
 115         m_isInside = false;
 116         wxObject *item = CreateResFromNode(n, m_tbk, NULL);
 117         m_isInside = old_ins;
 118         wnd = wxDynamicCast(item, wxWindow);
 119
 120         if (wnd == NULL && item != NULL)
 121         {
 122             ReportError(n, "treebookpage child must be a window");
 123         }
 124     }
 125
 126     size_t depth = GetLong( wxT("depth") );
 127
 128     if( depth <= m_treeContext.GetCount() )
 129     {
 130         // first prepare the icon
 131         int imgIndex = wxNOT_FOUND;
 132         if ( HasParam(wxT("bitmap")) )
 133         {
 134             wxBitmap bmp = GetBitmap(wxT("bitmap"), wxART_OTHER);
 135             wxImageList *imgList = m_tbk->GetImageList();
 136             if ( imgList == NULL )
 137             {
 138                 imgList = new wxImageList( bmp.GetWidth(), bmp.GetHeight() );
 139                 m_tbk->AssignImageList( imgList );
 140             }
 141             imgIndex = imgList->Add(bmp);
 142         }
 143         else if ( HasParam(wxT("image")) )
 144         {
 145             if ( m_tbk->GetImageList() )
 146             {
 147                 imgIndex = GetLong(wxT("image"));
 148             }
 149             else // image without image list?
 150             {
 151                 ReportError(n, "image can only be used in conjunction "
 152                                "with imagelist");
 153             }
 154         }
 155
 156         // then add the page to the corresponding parent
 157         if( depth < m_treeContext.GetCount() )
 158             m_treeContext.RemoveAt(depth, m_treeContext.GetCount() - depth );
 159         if( depth == 0)
 160         {
 161             m_tbk->AddPage(wnd,
 162                 GetText(wxT("label")), GetBool(wxT("selected")), imgIndex);
 163         }
 164         else
 165         {
 166             m_tbk->InsertSubPage(m_treeContext.Item(depth - 1), wnd,
 167                 GetText(wxT("label")), GetBool(wxT("selected")), imgIndex);
 168         }
 169
 170         m_treeContext.Add( m_tbk->GetPageCount() - 1);
 171
 172     }
 173     else
 174     {
 175         ReportParamError("depth", "invalid depth");
 176     }
 177
 178     return wnd;
 179 }
 180
 181 #endif // wxUSE_XRC && wxUSE_TREEBOOK