contrib/src/xrc/xh_choic.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        xh_choic.cpp
   3 // Purpose:     XRC resource for wxChoice
   4 // Author:      Bob Mitchell
   5 // Created:     2000/03/21
   6 // RCS-ID:      $Id$
   7 // Copyright:   (c) 2000 Bob Mitchell and Verant Interactive
   8 // Licence:     wxWindows licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 #ifdef __GNUG__
  12 #pragma implementation "xh_choic.h"
  13 #endif
  14
  15 // For compilers that support precompilation, includes "wx.h".
  16 #include "wx/wxprec.h"
  17
  18 #ifdef __BORLANDC__
  19     #pragma hdrstop
  20 #endif
  21
  22 #include "wx/xrc/xh_choic.h"
  23 #include "wx/choice.h"
  24
  25 wxChoiceXmlHandler::wxChoiceXmlHandler()
  26 : wxXmlResourceHandler() , m_insideBox(FALSE)
  27 {
  28     XRC_ADD_STYLE(wxCB_SORT);
  29     AddWindowStyles();
  30 }
  31
  32 wxObject *wxChoiceXmlHandler::DoCreateResource()
  33 {
  34     if( m_class == wxT("wxChoice"))
  35     {
  36         // find the selection
  37         long selection = GetLong(wxT("selection"), -1);
  38
  39         // need to build the list of strings from children
  40         m_insideBox = TRUE;
  41         CreateChildrenPrivately(NULL, GetParamNode(wxT("content")));
  42         wxString *strings = (wxString *) NULL;
  43         if (strList.GetCount() > 0)
  44         {
  45             strings = new wxString[strList.GetCount()];
  46             int count = strList.GetCount();
  47             for (int i = 0; i < count; i++)
  48                 strings[i]=strList[i];
  49         }
  50
  51         XRC_MAKE_INSTANCE(control, wxChoice)
  52
  53         control->Create(m_parentAsWindow,
  54                         GetID(),
  55                         GetPosition(), GetSize(),
  56                         strList.GetCount(),
  57                         strings,
  58                         GetStyle(),
  59                         wxDefaultValidator,
  60                         GetName());
  61
  62         if (selection != -1)
  63             control->SetSelection(selection);
  64
  65         SetupWindow(control);
  66
  67         if (strings != NULL)
  68             delete[] strings;
  69         strList.Clear();    // dump the strings
  70
  71         return control;
  72     }
  73     else
  74     {
  75         // on the inside now.
  76         // handle <item>Label</item>
  77
  78         // add to the list
  79         strList.Add(GetNodeContent(m_node));
  80
  81         return NULL;
  82     }
  83 }
  84
  85 bool wxChoiceXmlHandler::CanHandle(wxXmlNode *node)
  86 {
  87     return (IsOfClass(node, wxT("wxChoice")) ||
  88            (m_insideBox && node->GetName() == wxT("item")));
  89 }