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 bool wxSizerXmlHandler::IsSizerNode(wxXmlNode *node)
  29 {
  30     return (IsOfClass(node, _T("wxBoxSizer"))) ||
  31            (IsOfClass(node, _T("wxStaticBoxSizer"))) ||
  32            (IsOfClass(node, _T("wxGridSizer"))) ||
  33            (IsOfClass(node, _T("wxFlexGridSizer")));
  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_Class == _T("sizeritem"))
  77     {
  78         wxXmlNode *n = GetParamNode(_T("object"));
  79
  80         if (n)
  81         {
  82             bool old_ins = m_IsInside;
  83             wxSizer *old_par = m_ParentSizer;
  84             m_IsInside = FALSE;
  85             if (!IsSizerNode(n)) m_ParentSizer = NULL;
  86             wxObject *item = CreateResFromNode(n, m_Parent, NULL);
  87             m_IsInside = old_ins;
  88             m_ParentSizer = old_par;
  89             wxSizer *sizer = wxDynamicCast(item, wxSizer);
  90             wxWindow *wnd = wxDynamicCast(item, wxWindow);
  91             wxSize minsize = GetSize(_T("minsize"));
  92
  93             if (sizer)
  94             {
  95                 m_ParentSizer->Add(sizer, GetLong(_T("option")),
  96                                    GetStyle(_T("flag")), GetDimension(_T("border")));
  97                 if (!(minsize == wxDefaultSize))
  98                     m_ParentSizer->SetItemMinSize(sizer, minsize.x, minsize.y);
  99             }
 100             else if (wnd)
 101             {
 102                 m_ParentSizer->Add(wnd, GetLong(_T("option")),
 103                                    GetStyle(_T("flag")), GetDimension(_T("border")));
 104                 if (!(minsize == wxDefaultSize))
 105                     m_ParentSizer->SetItemMinSize(wnd, minsize.x, minsize.y);
 106             }
 107             else
 108                 wxLogError(_T("Error in resource."));
 109
 110             return item;
 111         }
 112         else /*n == NULL*/
 113         {
 114             wxLogError(_T("Error in resource: no control/sizer within sizer's <item> tag."));
 115             return NULL;
 116         }
 117     }
 118
 119     else if (m_Class == _T("spacer"))
 120     {
 121         wxCHECK_MSG(m_ParentSizer, NULL, _T("Incorrect syntax of XML resource: spacer not within sizer!"));
 122         wxSize sz = GetSize();
 123         m_ParentSizer->Add(sz.x, sz.y,
 124             GetLong(_T("option")), GetStyle(_T("flag")), GetDimension(_T("border")));
 125         return NULL;
 126     }
 127
 128
 129     else {
 130         wxSizer *sizer = NULL;
 131
 132         wxXmlNode *parentNode = m_Node->GetParent();
 133
 134         wxCHECK_MSG(m_ParentSizer != NULL ||
 135                 ((IsOfClass(parentNode, _T("wxPanel")) ||
 136                   IsOfClass(parentNode, _T("wxDialog"))) &&
 137                  parentNode->GetType() == wxXML_ELEMENT_NODE), NULL,
 138                 _T("Incorrect use of sizer: parent is not 'wxDialog' or 'wxPanel'."));
 139
 140         if (m_Class == _T("wxBoxSizer"))
 141             sizer = new wxBoxSizer(GetStyle(_T("orient"), wxHORIZONTAL));
 142
 143         else if (m_Class == _T("wxStaticBoxSizer"))
 144         {
 145             sizer = new wxStaticBoxSizer(
 146                          new wxStaticBox(m_ParentAsWindow, -1, GetText(_T("label"))),
 147                          GetStyle(_T("orient"), wxHORIZONTAL));
 148         }
 149
 150         else if (m_Class == _T("wxGridSizer"))
 151             sizer = new wxGridSizer(GetLong(_T("rows")), GetLong(_T("cols")),
 152                                     GetDimension(_T("vgap")), GetDimension(_T("hgap")));
 153
 154         else if (m_Class == _T("wxFlexGridSizer"))
 155             sizer = new wxFlexGridSizer(GetLong(_T("rows")), GetLong(_T("cols")),
 156                                     GetDimension(_T("vgap")), GetDimension(_T("hgap")));
 157
 158         wxSize minsize = GetSize(_T("minsize"));
 159         if (!(minsize == wxDefaultSize))
 160             sizer->SetMinSize(minsize);
 161
 162
 163         wxSizer *old_par = m_ParentSizer;
 164         m_ParentSizer = sizer;
 165         bool old_ins = m_IsInside;
 166         m_IsInside = TRUE;
 167         CreateChildren(m_Parent, TRUE/*only this handler*/);
 168         m_IsInside = old_ins;
 169         m_ParentSizer = old_par;
 170
 171         if (m_ParentSizer == NULL) // setup window:
 172         {
 173             m_ParentAsWindow->SetAutoLayout(TRUE);
 174             m_ParentAsWindow->SetSizer(sizer);
 175
 176             wxXmlNode *nd = m_Node;
 177             m_Node = parentNode;
 178             if (GetSize() == wxDefaultSize)
 179                 sizer->Fit(m_ParentAsWindow);
 180             m_Node = nd;
 181
 182             if (m_ParentAsWindow->GetWindowStyle() & (wxRESIZE_BOX | wxRESIZE_BORDER))
 183                 sizer->SetSizeHints(m_ParentAsWindow);
 184         }
 185
 186         return sizer;
 187     }
 188 }
 189
 190
 191
 192 bool wxSizerXmlHandler::CanHandle(wxXmlNode *node)
 193 {
 194     return ((!m_IsInside && IsSizerNode(node)) ||
 195             (m_IsInside && IsOfClass(node, _T("sizeritem"))) ||
 196             (m_IsInside && IsOfClass(node, _T("spacer"))));
 197 }