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