src/insets/insetlabel.C

   1 /**
   2  * \file insetlabel.C
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Lars Gullik Bjønnes
   7  *
   8  * Full author contact details are available in file CREDITS.
   9  */
  10
  11 #include <config.h>
  12
  13 #include "insetlabel.h"
  14
  15 #include "buffer.h"
  16 #include "BufferView.h"
  17 #include "dispatchresult.h"
  18 #include "funcrequest.h"
  19 #include "InsetList.h"
  20 #include "iterators.h"
  21 #include "lyxtext.h"
  22 #include "paragraph.h"
  23
  24 #include "frontends/LyXView.h"
  25
  26 #include "support/lstrings.h"
  27 #include "support/lyxalgo.h"
  28 #include "support/std_ostream.h"
  29
  30 using lyx::support::escape;
  31
  32 using std::string;
  33 using std::ostream;
  34 using std::vector;
  35
  36
  37 InsetLabel::InsetLabel(InsetCommandParams const & p)
  38         : InsetCommand(p, "label")
  39 {}
  40
  41
  42 std::auto_ptr<InsetBase> InsetLabel::clone() const
  43 {
  44         return std::auto_ptr<InsetBase>(new InsetLabel(params()));
  45 }
  46
  47
  48 void InsetLabel::getLabelList(Buffer const &, std::vector<string> & list) const
  49 {
  50         list.push_back(getContents());
  51 }
  52
  53
  54 string const InsetLabel::getScreenLabel(Buffer const &) const
  55 {
  56         return getContents();
  57 }
  58
  59
  60 namespace {
  61
  62 void changeRefsIfUnique(BufferView & bv, string const & from, string const & to)
  63 {
  64         // Check if the label 'from' appears more than once
  65         vector<string> labels;
  66         bv.buffer()->getLabelList(labels);
  67
  68         if (lyx::count(labels.begin(), labels.end(), from) > 1)
  69                 return;
  70
  71         InsetBase::Code code = InsetBase::REF_CODE;
  72
  73         ParIterator it = bv.buffer()->par_iterator_begin();
  74         ParIterator end = bv.buffer()->par_iterator_end();
  75         for ( ; it != end; ++it) {
  76                 bool changed_inset = false;
  77                 for (InsetList::iterator it2 = it->insetlist.begin();
  78                      it2 != it->insetlist.end(); ++it2) {
  79                         if (it2->inset->lyxCode() == code) {
  80                                 InsetCommand * inset = static_cast<InsetCommand *>(it2->inset);
  81                                 if (inset->getContents() == from) {
  82                                         inset->setContents(to);
  83                                         //inset->setButtonLabel();
  84                                         changed_inset = true;
  85                                 }
  86                         }
  87                 }
  88         }
  89 }
  90
  91 } // namespace anon
  92
  93
  94 DispatchResult
  95 InsetLabel::priv_dispatch(LCursor & cur, FuncRequest const & cmd)
  96 {
  97         switch (cmd.action) {
  98
  99         case LFUN_INSET_MODIFY: {
 100                 InsetCommandParams p;
 101                 InsetCommandMailer::string2params("label", cmd.argument, p);
 102                 if (p.getCmdName().empty())
 103                         return DispatchResult(false);
 104                 if (p.getContents() != params().getContents())
 105                         changeRefsIfUnique(cur.bv(), params().getContents(),
 106                                                        p.getContents());
 107                 setParams(p);
 108                 return DispatchResult(true, true);
 109         }
 110
 111         default:
 112                 return InsetCommand::priv_dispatch(cur, cmd);
 113         }
 114 }
 115
 116
 117 int InsetLabel::latex(Buffer const &, ostream & os,
 118                       OutputParams const &) const
 119 {
 120         os << escape(getCommand());
 121         return 0;
 122 }
 123
 124
 125 int InsetLabel::plaintext(Buffer const &, ostream & os,
 126                       OutputParams const &) const
 127 {
 128         os << '<' << getContents()  << '>';
 129         return 0;
 130 }
 131
 132
 133 int InsetLabel::linuxdoc(Buffer const &, ostream & os,
 134                          OutputParams const &) const
 135 {
 136         os << "<label id=\"" << getContents() << "\" >";
 137         return 0;
 138 }
 139
 140
 141 int InsetLabel::docbook(Buffer const &, ostream & os,
 142                         OutputParams const &) const
 143 {
 144         os << "<anchor id=\"" << getContents() << "\">";
 145         return 0;
 146 }