src/xrc/xh_sizer.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        xh_sizer.cpp
   3 // Purpose:     XRC 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/xrc/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, wxT("wxBoxSizer"))) ||
  32            (IsOfClass(node, wxT("wxStaticBoxSizer"))) ||
  33            (IsOfClass(node, wxT("wxGridSizer"))) ||
  34            (IsOfClass(node, wxT("wxFlexGridSizer")));
  35 }
  36
  37
  38
  39 wxSizerXmlHandler::wxSizerXmlHandler()
  40 : wxXmlResourceHandler(), m_isInside(FALSE), m_parentSizer(NULL)
  41 {
  42     XRC_ADD_STYLE(wxHORIZONTAL);
  43     XRC_ADD_STYLE(wxVERTICAL);
  44
  45     // and flags
  46     XRC_ADD_STYLE(wxLEFT);
  47     XRC_ADD_STYLE(wxRIGHT);
  48     XRC_ADD_STYLE(wxTOP);
  49     XRC_ADD_STYLE(wxBOTTOM);
  50     XRC_ADD_STYLE(wxNORTH);
  51     XRC_ADD_STYLE(wxSOUTH);
  52     XRC_ADD_STYLE(wxEAST);
  53     XRC_ADD_STYLE(wxWEST);
  54     XRC_ADD_STYLE(wxALL);
  55
  56     XRC_ADD_STYLE(wxGROW);
  57     XRC_ADD_STYLE(wxEXPAND);
  58     XRC_ADD_STYLE(wxSHAPED);
  59     XRC_ADD_STYLE(wxSTRETCH_NOT);
  60
  61     XRC_ADD_STYLE(wxALIGN_CENTER);
  62     XRC_ADD_STYLE(wxALIGN_CENTRE);
  63     XRC_ADD_STYLE(wxALIGN_LEFT);
  64     XRC_ADD_STYLE(wxALIGN_TOP);
  65     XRC_ADD_STYLE(wxALIGN_RIGHT);
  66     XRC_ADD_STYLE(wxALIGN_BOTTOM);
  67     XRC_ADD_STYLE(wxALIGN_CENTER_HORIZONTAL);
  68     XRC_ADD_STYLE(wxALIGN_CENTRE_HORIZONTAL);
  69     XRC_ADD_STYLE(wxALIGN_CENTER_VERTICAL);
  70     XRC_ADD_STYLE(wxALIGN_CENTRE_VERTICAL);
  71 }
  72
  73
  74
  75 wxObject *wxSizerXmlHandler::DoCreateResource()
  76 {
  77     if (m_class == wxT("sizeritem"))
  78     {
  79         wxXmlNode *n = GetParamNode(wxT("object"));
  80
  81        if ( !n )
  82            n = GetParamNode(wxT("object_ref"));
  83
  84         if (n)
  85         {
  86             bool old_ins = m_isInside;
  87             wxSizer *old_par = m_parentSizer;
  88             m_isInside = FALSE;
  89             if (!IsSizerNode(n)) m_parentSizer = NULL;
  90             wxObject *item = CreateResFromNode(n, m_parent, NULL);
  91             m_isInside = old_ins;
  92             m_parentSizer = old_par;
  93             wxSizer *sizer = wxDynamicCast(item, wxSizer);
  94             wxWindow *wnd = wxDynamicCast(item, wxWindow);
  95             wxSize minsize = GetSize(wxT("minsize"));
  96
  97             if (sizer)
  98             {
  99                 m_parentSizer->Add(sizer, GetLong(wxT("option")),
 100                                    GetStyle(wxT("flag")), GetDimension(wxT("border")));
 101                 if (!(minsize == wxDefaultSize))
 102                     m_parentSizer->SetItemMinSize(sizer, minsize.x, minsize.y);
 103             }
 104             else if (wnd)
 105             {
 106                 m_parentSizer->Add(wnd, GetLong(wxT("option")),
 107                                    GetStyle(wxT("flag")), GetDimension(wxT("border")));
 108                 if (!(minsize == wxDefaultSize))
 109                     m_parentSizer->SetItemMinSize(wnd, minsize.x, minsize.y);
 110             }
 111             else
 112                 wxLogError(wxT("Error in resource."));
 113
 114             return item;
 115         }
 116         else /*n == NULL*/
 117         {
 118             wxLogError(wxT("Error in resource: no control/sizer within sizer's <item> tag."));
 119             return NULL;
 120         }
 121     }
 122
 123     else if (m_class == wxT("spacer"))
 124     {
 125         wxCHECK_MSG(m_parentSizer, NULL, wxT("Incorrect syntax of XRC resource: spacer not within sizer!"));
 126         wxSize sz = GetSize();
 127         m_parentSizer->Add(sz.x, sz.y,
 128             GetLong(wxT("option")), GetStyle(wxT("flag")), GetDimension(wxT("border")));
 129         return NULL;
 130     }
 131
 132
 133     else {
 134         wxSizer *sizer = NULL;
 135
 136         wxXmlNode *parentNode = m_node->GetParent();
 137
 138         wxCHECK_MSG(m_parentSizer != NULL ||
 139                 ((IsOfClass(parentNode, wxT("wxPanel")) ||
 140                   IsOfClass(parentNode, wxT("wxDialog"))) &&
 141                  parentNode->GetType() == wxXML_ELEMENT_NODE), NULL,
 142                 wxT("Incorrect use of sizer: parent is not 'wxDialog' or 'wxPanel'."));
 143
 144         if (m_class == wxT("wxBoxSizer"))
 145             sizer = new wxBoxSizer(GetStyle(wxT("orient"), wxHORIZONTAL));
 146
 147         else if (m_class == wxT("wxStaticBoxSizer"))
 148         {
 149             sizer = new wxStaticBoxSizer(
 150                          new wxStaticBox(m_parentAsWindow, -1, GetText(wxT("label"))),
 151                          GetStyle(wxT("orient"), wxHORIZONTAL));
 152         }
 153
 154         else if (m_class == wxT("wxGridSizer"))
 155             sizer = new wxGridSizer(GetLong(wxT("rows")), GetLong(wxT("cols")),
 156                                     GetDimension(wxT("vgap")), GetDimension(wxT("hgap")));
 157
 158         else if (m_class == wxT("wxFlexGridSizer"))
 159         {
 160             wxFlexGridSizer *fsizer =
 161                   new wxFlexGridSizer(GetLong(wxT("rows")), GetLong(wxT("cols")),
 162                       GetDimension(wxT("vgap")), GetDimension(wxT("hgap")));
 163             sizer = fsizer;
 164             wxStringTokenizer tkn;
 165             unsigned long l;
 166             tkn.SetString(GetParamValue(wxT("growablerows")), wxT(","));
 167             while (tkn.HasMoreTokens())
 168             {
 169                 if (!tkn.GetNextToken().ToULong(&l))
 170                     wxLogError(wxT("growablerows must be comma-separated list of row numbers"));
 171                 else
 172                     fsizer->AddGrowableRow(l);
 173             }
 174             tkn.SetString(GetParamValue(wxT("growablecols")), wxT(","));
 175             while (tkn.HasMoreTokens())
 176             {
 177                 if (!tkn.GetNextToken().ToULong(&l))
 178                     wxLogError(wxT("growablecols must be comma-separated list of column numbers"));
 179                 else
 180                     fsizer->AddGrowableCol(l);
 181             }
 182         }
 183
 184         wxSize minsize = GetSize(wxT("minsize"));
 185         if (!(minsize == wxDefaultSize))
 186             sizer->SetMinSize(minsize);
 187
 188         wxSizer *old_par = m_parentSizer;
 189         m_parentSizer = sizer;
 190         bool old_ins = m_isInside;
 191         m_isInside = TRUE;
 192         CreateChildren(m_parent, TRUE/*only this handler*/);
 193         m_isInside = old_ins;
 194         m_parentSizer = old_par;
 195
 196         if (m_parentSizer == NULL) // setup window:
 197         {
 198             m_parentAsWindow->SetAutoLayout(TRUE);
 199             m_parentAsWindow->SetSizer(sizer);
 200
 201             wxXmlNode *nd = m_node;
 202             m_node = parentNode;
 203             if (GetSize() == wxDefaultSize)
 204                 sizer->Fit(m_parentAsWindow);
 205             m_node = nd;
 206
 207             if (m_parentAsWindow->GetWindowStyle() & (wxRESIZE_BOX | wxRESIZE_BORDER))
 208                 sizer->SetSizeHints(m_parentAsWindow);
 209         }
 210
 211         return sizer;
 212     }
 213 }
 214
 215
 216
 217 bool wxSizerXmlHandler::CanHandle(wxXmlNode *node)
 218 {
 219     return ((!m_isInside && IsSizerNode(node)) ||
 220             (m_isInside && IsOfClass(node, wxT("sizeritem"))) ||
 221             (m_isInside && IsOfClass(node, wxT("spacer"))));
 222 }