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 wxSizerXmlHandler::wxSizerXmlHandler()
  29 : wxXmlResourceHandler(), m_IsInside(FALSE), m_ParentSizer(NULL)
  30 {
  31     ADD_STYLE(wxHORIZONTAL);
  32     ADD_STYLE(wxVERTICAL);
  33
  34     // and flags
  35     ADD_STYLE(wxLEFT);
  36     ADD_STYLE(wxRIGHT);
  37     ADD_STYLE(wxTOP);
  38     ADD_STYLE(wxBOTTOM);
  39     ADD_STYLE(wxNORTH);
  40     ADD_STYLE(wxSOUTH);
  41     ADD_STYLE(wxEAST);
  42     ADD_STYLE(wxWEST);
  43     ADD_STYLE(wxALL);
  44
  45     ADD_STYLE(wxGROW);
  46     ADD_STYLE(wxEXPAND);
  47     ADD_STYLE(wxSHAPED);
  48     ADD_STYLE(wxSTRETCH_NOT);
  49
  50     ADD_STYLE(wxALIGN_CENTER);
  51     ADD_STYLE(wxALIGN_CENTRE);
  52     ADD_STYLE(wxALIGN_LEFT);
  53     ADD_STYLE(wxALIGN_TOP);
  54     ADD_STYLE(wxALIGN_RIGHT);
  55     ADD_STYLE(wxALIGN_BOTTOM);
  56     ADD_STYLE(wxALIGN_CENTER_HORIZONTAL);
  57     ADD_STYLE(wxALIGN_CENTRE_HORIZONTAL);
  58     ADD_STYLE(wxALIGN_CENTER_VERTICAL);
  59     ADD_STYLE(wxALIGN_CENTRE_VERTICAL);
  60 }
  61
  62
  63
  64 wxObject *wxSizerXmlHandler::DoCreateResource()
  65 {
  66     if (m_Node->GetName() == _T("sizeritem"))
  67     {
  68         wxXmlNode *n = GetParamNode(_T("window"))->GetChildren();
  69
  70         while (n)
  71         {
  72             if (n->GetType() == wxXML_ELEMENT_NODE)
  73             {
  74                 bool old_ins = m_IsInside;
  75                 m_IsInside = FALSE;
  76                 wxObject *item = CreateResFromNode(n, m_Parent, NULL);
  77                 m_IsInside = old_ins;
  78                 wxSizer *sizer = wxDynamicCast(item, wxSizer);
  79                 wxWindow *wnd = wxDynamicCast(item, wxWindow);
  80
  81                 if (sizer)
  82                     m_ParentSizer->Add(sizer, GetLong(_T("option")),
  83                                        GetStyle(_T("flag")), GetLong(_T("border")));
  84                 else if (wnd)
  85                     m_ParentSizer->Add(wnd, GetLong(_T("option")),
  86                                        GetStyle(_T("flag")), GetLong(_T("border")));
  87                 else
  88                     wxLogError(_T("Error in resource."));
  89
  90                 return item;
  91             }
  92             n = n->GetNext();
  93         }
  94         wxLogError(_T("Error in resource: no control/sizer within sizer's <item> tag."));
  95         return NULL;
  96     }
  97
  98     else if (m_Node->GetName() == _T("spacer"))
  99     {
 100         wxCHECK_MSG(m_ParentSizer, NULL, _T("Incorrect syntax of XML resource: spacer not within sizer!"));
 101         wxSize sz = GetSize();
 102         m_ParentSizer->Add(sz.x, sz.y,
 103             GetLong(_T("option")), GetStyle(_T("flag")), GetLong(_T("border")));
 104         return NULL;
 105     }
 106
 107 #if wxUSE_NOTEBOOK
 108     else if (m_Node->GetName() == _T("notebooksizer"))
 109     {
 110         wxCHECK_MSG(m_ParentSizer, NULL, _T("Incorrect syntax of XML resource: notebooksizer not within sizer!"));
 111
 112         wxSizer *old_par = m_ParentSizer;
 113         m_ParentSizer = NULL;
 114
 115         wxNotebook *nb = NULL;
 116         wxObject *item;
 117         wxXmlNode *n = GetParamNode(_T("window"))->GetChildren();
 118         while (n)
 119         {
 120             if (n->GetType() == wxXML_ELEMENT_NODE)
 121             {
 122                 item = CreateResFromNode(n, m_Parent, NULL);
 123                 nb = wxDynamicCast(item, wxNotebook);
 124                 break;
 125             }
 126             n = n->GetNext();
 127         }
 128
 129         m_ParentSizer = old_par;
 130
 131         wxCHECK_MSG(nb, NULL, _T("Incorrect syntax of XML resource: notebooksizer must contain a notebook!"));
 132         return new wxNotebookSizer(nb);
 133     }
 134 #endif
 135
 136     else {
 137         wxSizer *sizer = NULL;
 138
 139         wxXmlNode *parentNode = m_Node->GetParent()->GetParent();
 140
 141         wxCHECK_MSG(m_ParentSizer != NULL ||
 142                 ((parentNode->GetName() == _T("panel") ||
 143                   parentNode->GetName() == _T("dialog")) &&
 144                  parentNode->GetType() == wxXML_ELEMENT_NODE), NULL,
 145                 _T("Incorrect use of sizer: parent is not 'dialog' or 'panel'."));
 146
 147         if (m_Node->GetName() == _T("boxsizer"))
 148             sizer = new wxBoxSizer(GetStyle(_T("orient"), wxHORIZONTAL));
 149
 150         else if (m_Node->GetName() == _T("staticboxsizer"))
 151         {
 152             sizer = new wxStaticBoxSizer(
 153                          new wxStaticBox(m_ParentAsWindow, -1, GetText(_T("label"))),
 154                          GetStyle(_T("orient"), wxHORIZONTAL));
 155         }
 156
 157         else if (m_Node->GetName() == _T("gridsizer"))
 158             sizer = new wxGridSizer(GetLong(_T("rows")), GetLong(_T("cols")),
 159                                     GetLong(_T("vgap")), GetLong(_T("hgap")));
 160
 161         else if (m_Node->GetName() == _T("flexgridsizer"))
 162             sizer = new wxFlexGridSizer(GetLong(_T("rows")), GetLong(_T("cols")),
 163                                     GetLong(_T("vgap")), GetLong(_T("hgap")));
 164
 165         wxSizer *old_par = m_ParentSizer;
 166         m_ParentSizer = sizer;
 167         bool old_ins = m_IsInside;
 168         m_IsInside = TRUE;
 169         CreateChildren(m_Parent, TRUE/*only this handler*/);
 170         m_IsInside = old_ins;
 171         m_ParentSizer = old_par;
 172
 173         if (m_ParentSizer == NULL) // setup window:
 174         {
 175             m_ParentAsWindow->SetAutoLayout(TRUE);
 176             m_ParentAsWindow->SetSizer(sizer);
 177
 178             wxXmlNode *nd = m_Node;
 179             m_Node = parentNode;
 180             if (GetSize() == wxDefaultSize)
 181                 sizer->Fit(m_ParentAsWindow);
 182             m_Node = nd;
 183
 184             if (m_ParentAsWindow->GetWindowStyle() & (wxRESIZE_BOX | wxRESIZE_BORDER))
 185                 sizer->SetSizeHints(m_ParentAsWindow);
 186         }
 187
 188         return sizer;
 189     }
 190 }
 191
 192
 193
 194 bool wxSizerXmlHandler::CanHandle(wxXmlNode *node)
 195 {
 196     return ((!m_IsInside && node->GetName() == _T("boxsizer")) ||
 197             (!m_IsInside && node->GetName() == _T("staticboxsizer")) ||
 198             (!m_IsInside && node->GetName() == _T("gridsizer")) ||
 199             (!m_IsInside && node->GetName() == _T("flexgridsizer")) ||
 200 #if wxUSE_NOTEBOOK
 201             (!m_IsInside && node->GetName() == _T("notebooksizer")) ||
 202 #endif
 203             (m_IsInside && node->GetName() == _T("sizeritem")) ||
 204             (m_IsInside && node->GetName() == _T("spacer")));
 205 }