src/html/m_links.cpp

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