src/html/m_links.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        m_links.cpp
   3 // Purpose:     wxHtml module for links & anchors
   4 // Author:      Vaclav Slavik
   5 // RCS-ID:      $Id$
   6 // Copyright:   (c) 1999 Vaclav Slavik
   7 // Licence:     wxWindows Licence
   8 /////////////////////////////////////////////////////////////////////////////
   9
  10 #ifdef __GNUG__
  11 #pragma implementation
  12 #endif
  13
  14 #include "wx/wxprec.h"
  15
  16 #include "wx/defs.h"
  17 #if wxUSE_HTML && wxUSE_STREAMS
  18
  19 #ifdef __BORLANDC__
  20 #pragma hdrstop
  21 #endif
  22
  23 #ifndef WXPRECOMP
  24 #endif
  25
  26 #include "wx/html/forcelnk.h"
  27 #include "wx/html/m_templ.h"
  28
  29
  30 FORCE_LINK_ME(m_links)
  31
  32
  33 class wxHtmlAnchorCell : public wxHtmlCell
  34 {
  35 private:
  36     wxString m_AnchorName;
  37
  38 public:
  39     wxHtmlAnchorCell(const wxString& name) : wxHtmlCell()
  40         { m_AnchorName = name; }
  41     void Draw(wxDC& WXUNUSED(dc),
  42               int WXUNUSED(x), int WXUNUSED(y),
  43               int WXUNUSED(view_y1), int WXUNUSED(view_y2),
  44               wxHtmlRenderingState& WXUNUSED(state)) {}
  45
  46     virtual const wxHtmlCell* Find(int condition, const void* param) const
  47     {
  48         if ((condition == wxHTML_COND_ISANCHOR) &&
  49             (m_AnchorName == (*((const wxString*)param))))
  50         {
  51             return this;
  52         }
  53         else
  54         {
  55             return wxHtmlCell::Find(condition, param);
  56         }
  57     }
  58
  59     DECLARE_NO_COPY_CLASS(wxHtmlAnchorCell)
  60 };
  61
  62
  63
  64 TAG_HANDLER_BEGIN(A, "A")
  65     TAG_HANDLER_CONSTR(A) { }
  66
  67     TAG_HANDLER_PROC(tag)
  68     {
  69         if (tag.HasParam( wxT("NAME") ))
  70         {
  71             m_WParser->GetContainer()->InsertCell(new wxHtmlAnchorCell(tag.GetParam( wxT("NAME") )));
  72         }
  73
  74         if (tag.HasParam( wxT("HREF") ))
  75         {
  76             wxHtmlLinkInfo oldlnk = m_WParser->GetLink();
  77             wxColour oldclr = m_WParser->GetActualColor();
  78             int oldund = m_WParser->GetFontUnderlined();
  79             wxString name(tag.GetParam( wxT("HREF") )), target;
  80
  81             if (tag.HasParam( wxT("TARGET") )) target = tag.GetParam( wxT("TARGET") );
  82             m_WParser->SetActualColor(m_WParser->GetLinkColor());
  83             m_WParser->GetContainer()->InsertCell(new wxHtmlColourCell(m_WParser->GetLinkColor()));
  84             m_WParser->SetFontUnderlined(TRUE);
  85             m_WParser->GetContainer()->InsertCell(new wxHtmlFontCell(m_WParser->CreateCurrentFont()));
  86             m_WParser->SetLink(wxHtmlLinkInfo(name, target));
  87
  88             ParseInner(tag);
  89
  90             m_WParser->SetLink(oldlnk);
  91             m_WParser->SetFontUnderlined(oldund);
  92             m_WParser->GetContainer()->InsertCell(new wxHtmlFontCell(m_WParser->CreateCurrentFont()));
  93             m_WParser->SetActualColor(oldclr);
  94             m_WParser->GetContainer()->InsertCell(new wxHtmlColourCell(oldclr));
  95
  96             return TRUE;
  97         }
  98         else return FALSE;
  99     }
 100
 101 TAG_HANDLER_END(A)
 102
 103
 104
 105 TAGS_MODULE_BEGIN(Links)
 106
 107     TAGS_MODULE_ADD(A)
 108
 109 TAGS_MODULE_END(Links)
 110
 111
 112 #endif