src/xrc/xh_listc.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/xrc/xh_listc.cpp
   3 // Purpose:     XRC resource for wxListCtrl
   4 // Author:      Brian Gavin, Kinaou Hervé, Vadim Zeitlin
   5 // Created:     2000/09/09
   6 // RCS-ID:      $Id$
   7 // Copyright:   (c) 2000 Brian Gavin
   8 //              (c) 2009 Vadim Zeitlin
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // For compilers that support precompilation, includes "wx.h".
  13 #include "wx/wxprec.h"
  14
  15 #ifdef __BORLANDC__
  16     #pragma hdrstop
  17 #endif
  18
  19 #if wxUSE_XRC && wxUSE_LISTCTRL
  20
  21 #include "wx/xrc/xh_listc.h"
  22
  23 #ifndef WX_PRECOMP
  24     #include "wx/textctrl.h"
  25 #endif
  26
  27 #include "wx/listctrl.h"
  28 #include "wx/imaglist.h"
  29
  30 namespace
  31 {
  32
  33 const char *LISTCTRL_CLASS_NAME = "wxListCtrl";
  34 const char *LISTITEM_CLASS_NAME = "listitem";
  35 const char *LISTCOL_CLASS_NAME = "listcol";
  36
  37 } // anonymous namespace
  38
  39
  40 IMPLEMENT_DYNAMIC_CLASS(wxListCtrlXmlHandler, wxXmlResourceHandler)
  41
  42 wxListCtrlXmlHandler::wxListCtrlXmlHandler()
  43     : wxXmlResourceHandler()
  44 {
  45     // wxListItem styles
  46     XRC_ADD_STYLE(wxLIST_FORMAT_LEFT);
  47     XRC_ADD_STYLE(wxLIST_FORMAT_RIGHT);
  48     XRC_ADD_STYLE(wxLIST_FORMAT_CENTRE);
  49     XRC_ADD_STYLE(wxLIST_MASK_STATE);
  50     XRC_ADD_STYLE(wxLIST_MASK_TEXT);
  51     XRC_ADD_STYLE(wxLIST_MASK_IMAGE);
  52     XRC_ADD_STYLE(wxLIST_MASK_DATA);
  53     XRC_ADD_STYLE(wxLIST_MASK_WIDTH);
  54     XRC_ADD_STYLE(wxLIST_MASK_FORMAT);
  55     XRC_ADD_STYLE(wxLIST_STATE_FOCUSED);
  56     XRC_ADD_STYLE(wxLIST_STATE_SELECTED);
  57
  58     // wxListCtrl styles
  59     XRC_ADD_STYLE(wxLC_LIST);
  60     XRC_ADD_STYLE(wxLC_REPORT);
  61     XRC_ADD_STYLE(wxLC_ICON);
  62     XRC_ADD_STYLE(wxLC_SMALL_ICON);
  63     XRC_ADD_STYLE(wxLC_ALIGN_TOP);
  64     XRC_ADD_STYLE(wxLC_ALIGN_LEFT);
  65     XRC_ADD_STYLE(wxLC_AUTOARRANGE);
  66     XRC_ADD_STYLE(wxLC_USER_TEXT);
  67     XRC_ADD_STYLE(wxLC_EDIT_LABELS);
  68     XRC_ADD_STYLE(wxLC_NO_HEADER);
  69     XRC_ADD_STYLE(wxLC_SINGLE_SEL);
  70     XRC_ADD_STYLE(wxLC_SORT_ASCENDING);
  71     XRC_ADD_STYLE(wxLC_SORT_DESCENDING);
  72     XRC_ADD_STYLE(wxLC_VIRTUAL);
  73     XRC_ADD_STYLE(wxLC_HRULES);
  74     XRC_ADD_STYLE(wxLC_VRULES);
  75     XRC_ADD_STYLE(wxLC_NO_SORT_HEADER);
  76     AddWindowStyles();
  77 }
  78
  79 wxObject *wxListCtrlXmlHandler::DoCreateResource()
  80 {
  81     if ( m_class == LISTITEM_CLASS_NAME )
  82     {
  83         HandleListItem();
  84     }
  85     else if ( m_class == LISTCOL_CLASS_NAME )
  86     {
  87         HandleListCol();
  88     }
  89     else
  90     {
  91         wxASSERT_MSG( m_class == LISTCTRL_CLASS_NAME,
  92                         "can't handle unknown node" );
  93
  94         return HandleListCtrl();
  95     }
  96
  97     return m_parentAsWindow;
  98 }
  99
 100 bool wxListCtrlXmlHandler::CanHandle(wxXmlNode *node)
 101 {
 102     return IsOfClass(node, LISTCTRL_CLASS_NAME) ||
 103             IsOfClass(node, LISTITEM_CLASS_NAME) ||
 104              IsOfClass(node, LISTCOL_CLASS_NAME);
 105 }
 106
 107 void wxListCtrlXmlHandler::HandleCommonItemAttrs(wxListItem& item)
 108 {
 109     if (HasParam(wxT("align")))
 110         item.SetAlign((wxListColumnFormat)GetStyle(wxT("align")));
 111     if (HasParam(wxT("text")))
 112         item.SetText(GetText(wxT("text")));
 113 }
 114
 115 void wxListCtrlXmlHandler::HandleListCol()
 116 {
 117     wxListCtrl * const list = wxDynamicCast(m_parentAsWindow, wxListCtrl);
 118     wxCHECK_RET( list, "must have wxListCtrl parent" );
 119
 120     if ( !list->HasFlag(wxLC_REPORT) )
 121     {
 122         ReportError("Only report mode list controls can have columns.");
 123         return;
 124     }
 125
 126     wxListItem item;
 127
 128     HandleCommonItemAttrs(item);
 129     if (HasParam(wxT("width")))
 130         item.SetWidth((int)GetLong(wxT("width")));
 131     if (HasParam(wxT("image")))
 132         item.SetImage((int)GetLong(wxT("image")));
 133
 134     list->InsertColumn(list->GetColumnCount(), item);
 135 }
 136
 137 void wxListCtrlXmlHandler::HandleListItem()
 138 {
 139     wxListCtrl * const list = wxDynamicCast(m_parentAsWindow, wxListCtrl);
 140     wxCHECK_RET( list, "must have wxListCtrl parent" );
 141
 142     wxListItem item;
 143
 144     HandleCommonItemAttrs(item);
 145
 146     if (HasParam(wxT("bg")))
 147         item.SetBackgroundColour(GetColour(wxT("bg")));
 148     if (HasParam(wxT("col")))
 149         item.SetColumn((int)GetLong(wxT("col")));
 150     if (HasParam(wxT("data")))
 151         item.SetData(GetLong(wxT("data")));
 152     if (HasParam(wxT("font")))
 153         item.SetFont(GetFont(wxT("font"), list));
 154     if (HasParam(wxT("state")))
 155         item.SetState(GetStyle(wxT("state")));
 156     if (HasParam(wxT("textcolour")))
 157         item.SetTextColour(GetColour(wxT("textcolour")));
 158     if (HasParam(wxT("textcolor")))
 159         item.SetTextColour(GetColour(wxT("textcolor")));
 160
 161     // the list control icon style, may be 0
 162     int image;
 163     if ( list->HasFlag(wxLC_ICON) )
 164         image = GetImageIndex(list, wxIMAGE_LIST_NORMAL);
 165     else if ( list->HasFlag(wxLC_SMALL_ICON) || list->HasFlag(wxLC_REPORT) || list->HasFlag(wxLC_LIST) )
 166         image = GetImageIndex(list, wxIMAGE_LIST_SMALL);
 167     else
 168         image = wxNOT_FOUND;
 169
 170     if ( image != wxNOT_FOUND )
 171         item.SetImage(image);
 172
 173     // append the list item to the control
 174     item.SetId(list->GetItemCount());
 175
 176     list->InsertItem(item);
 177 }
 178
 179 wxListCtrl *wxListCtrlXmlHandler::HandleListCtrl()
 180 {
 181     XRC_MAKE_INSTANCE(list, wxListCtrl)
 182
 183     list->Create(m_parentAsWindow,
 184                  GetID(),
 185                  GetPosition(), GetSize(),
 186                  GetStyle(),
 187                  wxDefaultValidator,
 188                  GetName());
 189
 190     // we can optionally have normal and/or small image lists
 191     wxImageList *imagelist;
 192     imagelist = GetImageList(wxT("imagelist"));
 193     if ( imagelist )
 194         list->AssignImageList(imagelist, wxIMAGE_LIST_NORMAL);
 195     imagelist = GetImageList(wxT("imagelist-small"));
 196     if ( imagelist )
 197         list->AssignImageList(imagelist, wxIMAGE_LIST_SMALL);
 198
 199     CreateChildrenPrivately(list);
 200     SetupWindow(list);
 201
 202     return list;
 203 }
 204
 205 long wxListCtrlXmlHandler::GetImageIndex(wxListCtrl *listctrl, int which)
 206 {
 207     // use different tag names depending on whether we need a normal or small
 208     // image
 209     wxString
 210         bmpParam("bitmap"),
 211         imgParam("image");
 212     switch ( which )
 213     {
 214         case wxIMAGE_LIST_SMALL:
 215             bmpParam += "-small";
 216             imgParam += "-small";
 217             break;
 218
 219         case wxIMAGE_LIST_NORMAL:
 220             // nothing to do
 221             break;
 222
 223         default:
 224             wxFAIL_MSG( "unsupported image list kind" );
 225             return wxNOT_FOUND;
 226     }
 227
 228     // look for either bitmap or image tags
 229     int imgIndex = wxNOT_FOUND;
 230     if ( HasParam(bmpParam) )
 231     {
 232         // we implicitly construct an image list containing the specified
 233         // bitmaps
 234         wxBitmap bmp = GetBitmap(bmpParam, wxART_OTHER);
 235
 236         // create the image list on demand for the first bitmap
 237         wxImageList *imgList = listctrl->GetImageList(which);
 238         if ( !imgList )
 239         {
 240             imgList = new wxImageList( bmp.GetWidth(), bmp.GetHeight() );
 241             listctrl->AssignImageList( imgList, which );
 242         }
 243
 244         imgIndex = imgList->Add(bmp);
 245     }
 246
 247     if ( HasParam(imgParam) )
 248     {
 249         if ( imgIndex != wxNOT_FOUND )
 250         {
 251             // TODO: we should really check that only bitmap or only image tags
 252             //       are used across all items of the control, not just in this
 253             //       one
 254             ReportError(wxString::Format(
 255                 "listitem %s attribute ignored because %s is also specified",
 256                 bmpParam, imgParam));
 257         }
 258
 259         // just use the specified index directly
 260         imgIndex = GetLong(imgParam);
 261     }
 262
 263     return imgIndex;
 264 }
 265
 266 #endif // wxUSE_XRC && wxUSE_LISTCTRL