contrib/src/xml/xh_listb.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        xh_listb.cpp
   3 // Purpose:     XML resource for wxListBox
   4 // Author:      Bob Mitchell & Vaclav Slavik
   5 // Created:     2000/07/29
   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_listb.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/xml/xh_listb.h"
  23 #include "wx/listbox.h"
  24
  25 wxListBoxXmlHandler::wxListBoxXmlHandler()
  26 : wxXmlResourceHandler() , m_InsideBox(FALSE)
  27 {
  28     ADD_STYLE(wxLB_SINGLE);
  29     ADD_STYLE(wxLB_MULTIPLE);
  30     ADD_STYLE(wxLB_EXTENDED);
  31     ADD_STYLE(wxLB_HSCROLL);
  32     ADD_STYLE(wxLB_ALWAYS_SB);
  33     ADD_STYLE(wxLB_NEEDED_SB);
  34     ADD_STYLE(wxLB_SORT);
  35     AddWindowStyles();
  36 }
  37
  38 wxObject *wxListBoxXmlHandler::DoCreateResource()
  39 {
  40     if( m_Class == wxT("wxListBox"))
  41     {
  42         // find the selection
  43         long selection = GetLong( wxT("selection"), -1 );
  44
  45         // need to build the list of strings from children
  46         m_InsideBox = TRUE;
  47         CreateChildrenPrivately( NULL, GetParamNode(wxT("content")));
  48         wxString *strings = (wxString *) NULL;
  49         if( strList.GetCount() > 0 )
  50         {
  51             strings = new wxString[strList.GetCount()];
  52             int count = strList.GetCount();
  53             for( int i = 0; i < count; i++ )
  54                 strings[i]=strList[i];
  55         }
  56
  57
  58         wxListBox *control = new wxListBox(m_ParentAsWindow,
  59                                     GetID(),
  60                                     GetPosition(), GetSize(),
  61                                     strList.GetCount(),
  62                                     strings,
  63                                     GetStyle(),
  64                                     wxDefaultValidator,
  65                                     GetName()
  66                                     );
  67
  68         if( selection != -1 )
  69             control->SetSelection( selection );
  70
  71         SetupWindow(control);
  72
  73         if( strings != NULL )
  74             delete [] strings;
  75         strList.Clear();    // dump the strings
  76
  77         return control;
  78     }
  79     else
  80     {
  81         // on the inside now.
  82         // handle <item>Label</item>
  83
  84         // add to the list
  85         strList.Add( GetNodeContent(m_Node) );
  86
  87         return NULL;
  88     }
  89
  90 }
  91
  92
  93
  94 bool wxListBoxXmlHandler::CanHandle(wxXmlNode *node)
  95 {
  96     return (IsOfClass(node, wxT("wxListBox")) ||
  97            (m_InsideBox && node->GetName() == wxT("item"))
  98            );
  99 }
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