contrib/src/xml/xh_sizer.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        xh_sizer.cpp
   3 // Purpose:     XML resource for wxBoxSizer
   4 // Author:      Vaclav Slavik
   5 // Created:     2000/03/21
   6 // RCS-ID:      $Id$
   7 // Copyright:   (c) 2000 Vaclav Slavik
   8 // Licence:     wxWindows licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 #ifdef __GNUG__
  12 #pragma implementation "xh_sizer.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_sizer.h"
  23 #include "wx/sizer.h"
  24 #include "wx/log.h"
  25 #include "wx/statbox.h"
  26 #include "wx/notebook.h"
  27
  28 static bool IsSizerNode(wxXmlNode *node)
  29 {
  30     return (node->GetName() == _T("boxsizer")) ||
  31            (node->GetName() == _T("staticboxsizer")) ||
  32            (node->GetName() == _T("gridsizer")) ||
  33            (node->GetName() == _T("flexgridsizer"));
  34 }
  35
  36
  37
  38 wxSizerXmlHandler::wxSizerXmlHandler()
  39 : wxXmlResourceHandler(), m_IsInside(FALSE), m_ParentSizer(NULL)
  40 {
  41     ADD_STYLE(wxHORIZONTAL);
  42     ADD_STYLE(wxVERTICAL);
  43
  44     // and flags
  45     ADD_STYLE(wxLEFT);
  46     ADD_STYLE(wxRIGHT);
  47     ADD_STYLE(wxTOP);
  48     ADD_STYLE(wxBOTTOM);
  49     ADD_STYLE(wxNORTH);
  50     ADD_STYLE(wxSOUTH);
  51     ADD_STYLE(wxEAST);
  52     ADD_STYLE(wxWEST);
  53     ADD_STYLE(wxALL);
  54
  55     ADD_STYLE(wxGROW);
  56     ADD_STYLE(wxEXPAND);
  57     ADD_STYLE(wxSHAPED);
  58     ADD_STYLE(wxSTRETCH_NOT);
  59
  60     ADD_STYLE(wxALIGN_CENTER);
  61     ADD_STYLE(wxALIGN_CENTRE);
  62     ADD_STYLE(wxALIGN_LEFT);
  63     ADD_STYLE(wxALIGN_TOP);
  64     ADD_STYLE(wxALIGN_RIGHT);
  65     ADD_STYLE(wxALIGN_BOTTOM);
  66     ADD_STYLE(wxALIGN_CENTER_HORIZONTAL);
  67     ADD_STYLE(wxALIGN_CENTRE_HORIZONTAL);
  68     ADD_STYLE(wxALIGN_CENTER_VERTICAL);
  69     ADD_STYLE(wxALIGN_CENTRE_VERTICAL);
  70 }
  71
  72
  73
  74 wxObject *wxSizerXmlHandler::DoCreateResource()
  75 {
  76     if (m_Node->GetName() == _T("sizeritem"))
  77     {
  78         wxXmlNode *n = GetParamNode(_T("window"))->GetChildren();
  79
  80         while (n)
  81         {
  82             if (n->GetType() == wxXML_ELEMENT_NODE)
  83             {
  84                 bool old_ins = m_IsInside;
  85                 wxSizer *old_par = m_ParentSizer;
  86                 m_IsInside = FALSE;
  87                 if (!IsSizerNode(n)) m_ParentSizer = NULL;
  88                 wxObject *item = CreateResFromNode(n, m_Parent, NULL);
  89                 m_IsInside = old_ins;
  90                 m_ParentSizer = old_par;
  91                 wxSizer *sizer = wxDynamicCast(item, wxSizer);
  92                 wxWindow *wnd = wxDynamicCast(item, wxWindow);
  93
  94                 if (sizer)
  95                     m_ParentSizer->Add(sizer, GetLong(_T("option")),
  96                                        GetStyle(_T("flag")), GetLong(_T("border")));
  97                 else if (wnd)
  98                     m_ParentSizer->Add(wnd, GetLong(_T("option")),
  99                                        GetStyle(_T("flag")), GetLong(_T("border")));
 100                 else
 101                     wxLogError(_T("Error in resource."));
 102
 103                 return item;
 104             }
 105             n = n->GetNext();
 106         }
 107         wxLogError(_T("Error in resource: no control/sizer within sizer's <item> tag."));
 108         return NULL;
 109     }
 110
 111     else if (m_Node->GetName() == _T("spacer"))
 112     {
 113         wxCHECK_MSG(m_ParentSizer, NULL, _T("Incorrect syntax of XML resource: spacer not within sizer!"));
 114         wxSize sz = GetSize();
 115         m_ParentSizer->Add(sz.x, sz.y,
 116             GetLong(_T("option")), GetStyle(_T("flag")), GetLong(_T("border")));
 117         return NULL;
 118     }
 119
 120
 121     else {
 122         wxSizer *sizer = NULL;
 123
 124         wxXmlNode *parentNode = m_Node->GetParent()->GetParent();
 125
 126         wxCHECK_MSG(m_ParentSizer != NULL ||
 127                 ((parentNode->GetName() == _T("panel") ||
 128                   parentNode->GetName() == _T("dialog")) &&
 129                  parentNode->GetType() == wxXML_ELEMENT_NODE), NULL,
 130                 _T("Incorrect use of sizer: parent is not 'dialog' or 'panel'."));
 131
 132         if (m_Node->GetName() == _T("boxsizer"))
 133             sizer = new wxBoxSizer(GetStyle(_T("orient"), wxHORIZONTAL));
 134
 135         else if (m_Node->GetName() == _T("staticboxsizer"))
 136         {
 137             sizer = new wxStaticBoxSizer(
 138                          new wxStaticBox(m_ParentAsWindow, -1, GetText(_T("label"))),
 139                          GetStyle(_T("orient"), wxHORIZONTAL));
 140         }
 141
 142         else if (m_Node->GetName() == _T("gridsizer"))
 143             sizer = new wxGridSizer(GetLong(_T("rows")), GetLong(_T("cols")),
 144                                     GetLong(_T("vgap")), GetLong(_T("hgap")));
 145
 146         else if (m_Node->GetName() == _T("flexgridsizer"))
 147             sizer = new wxFlexGridSizer(GetLong(_T("rows")), GetLong(_T("cols")),
 148                                     GetLong(_T("vgap")), GetLong(_T("hgap")));
 149
 150         wxSizer *old_par = m_ParentSizer;
 151         m_ParentSizer = sizer;
 152         bool old_ins = m_IsInside;
 153         m_IsInside = TRUE;
 154         CreateChildren(m_Parent, TRUE/*only this handler*/);
 155         m_IsInside = old_ins;
 156         m_ParentSizer = old_par;
 157
 158         if (m_ParentSizer == NULL) // setup window:
 159         {
 160             m_ParentAsWindow->SetAutoLayout(TRUE);
 161             m_ParentAsWindow->SetSizer(sizer);
 162
 163             wxXmlNode *nd = m_Node;
 164             m_Node = parentNode;
 165             if (GetSize() == wxDefaultSize)
 166                 sizer->Fit(m_ParentAsWindow);
 167             m_Node = nd;
 168
 169             if (m_ParentAsWindow->GetWindowStyle() & (wxRESIZE_BOX | wxRESIZE_BORDER))
 170                 sizer->SetSizeHints(m_ParentAsWindow);
 171         }
 172
 173         return sizer;
 174     }
 175 }
 176
 177
 178
 179 bool wxSizerXmlHandler::CanHandle(wxXmlNode *node)
 180 {
 181     return ((!m_IsInside && IsSizerNode(node)) ||
 182             (m_IsInside && node->GetName() == _T("sizeritem")) ||
 183             (m_IsInside && node->GetName() == _T("spacer")));
 184 }