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 #include "wx/tokenzr.h"
  28
  29 bool wxSizerXmlHandler::IsSizerNode(wxXmlNode *node)
  30 {
  31     return (IsOfClass(node, _T("wxBoxSizer"))) ||
  32            (IsOfClass(node, _T("wxStaticBoxSizer"))) ||
  33            (IsOfClass(node, _T("wxGridSizer"))) ||
  34            (IsOfClass(node, _T("wxFlexGridSizer")));
  35 }
  36
  37
  38
  39 wxSizerXmlHandler::wxSizerXmlHandler()
  40 : wxXmlResourceHandler(), m_IsInside(FALSE), m_ParentSizer(NULL)
  41 {
  42     ADD_STYLE(wxHORIZONTAL);
  43     ADD_STYLE(wxVERTICAL);
  44
  45     // and flags
  46     ADD_STYLE(wxLEFT);
  47     ADD_STYLE(wxRIGHT);
  48     ADD_STYLE(wxTOP);
  49     ADD_STYLE(wxBOTTOM);
  50     ADD_STYLE(wxNORTH);
  51     ADD_STYLE(wxSOUTH);
  52     ADD_STYLE(wxEAST);
  53     ADD_STYLE(wxWEST);
  54     ADD_STYLE(wxALL);
  55
  56     ADD_STYLE(wxGROW);
  57     ADD_STYLE(wxEXPAND);
  58     ADD_STYLE(wxSHAPED);
  59     ADD_STYLE(wxSTRETCH_NOT);
  60
  61     ADD_STYLE(wxALIGN_CENTER);
  62     ADD_STYLE(wxALIGN_CENTRE);
  63     ADD_STYLE(wxALIGN_LEFT);
  64     ADD_STYLE(wxALIGN_TOP);
  65     ADD_STYLE(wxALIGN_RIGHT);
  66     ADD_STYLE(wxALIGN_BOTTOM);
  67     ADD_STYLE(wxALIGN_CENTER_HORIZONTAL);
  68     ADD_STYLE(wxALIGN_CENTRE_HORIZONTAL);
  69     ADD_STYLE(wxALIGN_CENTER_VERTICAL);
  70     ADD_STYLE(wxALIGN_CENTRE_VERTICAL);
  71 }
  72
  73
  74
  75 wxObject *wxSizerXmlHandler::DoCreateResource()
  76 {
  77     if (m_Class == _T("sizeritem"))
  78     {
  79         wxXmlNode *n = GetParamNode(_T("object"));
  80
  81         if (n)
  82         {
  83             bool old_ins = m_IsInside;
  84             wxSizer *old_par = m_ParentSizer;
  85             m_IsInside = FALSE;
  86             if (!IsSizerNode(n)) m_ParentSizer = NULL;
  87             wxObject *item = CreateResFromNode(n, m_Parent, NULL);
  88             m_IsInside = old_ins;
  89             m_ParentSizer = old_par;
  90             wxSizer *sizer = wxDynamicCast(item, wxSizer);
  91             wxWindow *wnd = wxDynamicCast(item, wxWindow);
  92             wxSize minsize = GetSize(_T("minsize"));
  93
  94             if (sizer)
  95             {
  96                 m_ParentSizer->Add(sizer, GetLong(_T("option")),
  97                                    GetStyle(_T("flag")), GetDimension(_T("border")));
  98                 if (!(minsize == wxDefaultSize))
  99                     m_ParentSizer->SetItemMinSize(sizer, minsize.x, minsize.y);
 100             }
 101             else if (wnd)
 102             {
 103                 m_ParentSizer->Add(wnd, GetLong(_T("option")),
 104                                    GetStyle(_T("flag")), GetDimension(_T("border")));
 105                 if (!(minsize == wxDefaultSize))
 106                     m_ParentSizer->SetItemMinSize(wnd, minsize.x, minsize.y);
 107             }
 108             else
 109                 wxLogError(_T("Error in resource."));
 110
 111             return item;
 112         }
 113         else /*n == NULL*/
 114         {
 115             wxLogError(_T("Error in resource: no control/sizer within sizer's <item> tag."));
 116             return NULL;
 117         }
 118     }
 119
 120     else if (m_Class == _T("spacer"))
 121     {
 122         wxCHECK_MSG(m_ParentSizer, NULL, _T("Incorrect syntax of XML resource: spacer not within sizer!"));
 123         wxSize sz = GetSize();
 124         m_ParentSizer->Add(sz.x, sz.y,
 125             GetLong(_T("option")), GetStyle(_T("flag")), GetDimension(_T("border")));
 126         return NULL;
 127     }
 128
 129
 130     else {
 131         wxSizer *sizer = NULL;
 132
 133         wxXmlNode *parentNode = m_Node->GetParent();
 134
 135         wxCHECK_MSG(m_ParentSizer != NULL ||
 136                 ((IsOfClass(parentNode, _T("wxPanel")) ||
 137                   IsOfClass(parentNode, _T("wxDialog"))) &&
 138                  parentNode->GetType() == wxXML_ELEMENT_NODE), NULL,
 139                 _T("Incorrect use of sizer: parent is not 'wxDialog' or 'wxPanel'."));
 140
 141         if (m_Class == _T("wxBoxSizer"))
 142             sizer = new wxBoxSizer(GetStyle(_T("orient"), wxHORIZONTAL));
 143
 144         else if (m_Class == _T("wxStaticBoxSizer"))
 145         {
 146             sizer = new wxStaticBoxSizer(
 147                          new wxStaticBox(m_ParentAsWindow, -1, GetText(_T("label"))),
 148                          GetStyle(_T("orient"), wxHORIZONTAL));
 149         }
 150
 151         else if (m_Class == _T("wxGridSizer"))
 152             sizer = new wxGridSizer(GetLong(_T("rows")), GetLong(_T("cols")),
 153                                     GetDimension(_T("vgap")), GetDimension(_T("hgap")));
 154
 155         else if (m_Class == _T("wxFlexGridSizer"))
 156         {
 157             wxFlexGridSizer *fsizer =
 158                   new wxFlexGridSizer(GetLong(_T("rows")), GetLong(_T("cols")),
 159                       GetDimension(_T("vgap")), GetDimension(_T("hgap")));
 160             sizer = fsizer;
 161             wxStringTokenizer tkn;
 162             unsigned long l;
 163             tkn.SetString(GetParamValue(_T("growablerows")), _T(","));
 164             while (tkn.HasMoreTokens())
 165             {
 166                 if (!tkn.GetNextToken().ToULong(&l))
 167                     wxLogError(_T("growablerows must be comma-separated list of row numbers"));
 168                 else
 169                     fsizer->AddGrowableRow(l);
 170             }
 171             tkn.SetString(GetParamValue(_T("growablecols")), _T(","));
 172             while (tkn.HasMoreTokens())
 173             {
 174                 if (!tkn.GetNextToken().ToULong(&l))
 175                     wxLogError(_T("growablecols must be comma-separated list of column numbers"));
 176                 else
 177                     fsizer->AddGrowableCol(l);
 178             }
 179         }
 180
 181         wxSize minsize = GetSize(_T("minsize"));
 182         if (!(minsize == wxDefaultSize))
 183             sizer->SetMinSize(minsize);
 184
 185         wxSizer *old_par = m_ParentSizer;
 186         m_ParentSizer = sizer;
 187         bool old_ins = m_IsInside;
 188         m_IsInside = TRUE;
 189         CreateChildren(m_Parent, TRUE/*only this handler*/);
 190         m_IsInside = old_ins;
 191         m_ParentSizer = old_par;
 192
 193         if (m_ParentSizer == NULL) // setup window:
 194         {
 195             m_ParentAsWindow->SetAutoLayout(TRUE);
 196             m_ParentAsWindow->SetSizer(sizer);
 197
 198             wxXmlNode *nd = m_Node;
 199             m_Node = parentNode;
 200             if (GetSize() == wxDefaultSize)
 201                 sizer->Fit(m_ParentAsWindow);
 202             m_Node = nd;
 203
 204             if (m_ParentAsWindow->GetWindowStyle() & (wxRESIZE_BOX | wxRESIZE_BORDER))
 205                 sizer->SetSizeHints(m_ParentAsWindow);
 206         }
 207
 208         return sizer;
 209     }
 210 }
 211
 212
 213
 214 bool wxSizerXmlHandler::CanHandle(wxXmlNode *node)
 215 {
 216     return ((!m_IsInside && IsSizerNode(node)) ||
 217             (m_IsInside && IsOfClass(node, _T("sizeritem"))) ||
 218             (m_IsInside && IsOfClass(node, _T("spacer"))));
 219 }