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 "lyxtext.h"
  21 #include "paragraph.h"
  22 #include "pariterator.h"
  23 #include "sgml.h"
  24
  25 #include "frontends/LyXView.h"
  26
  27 #include "support/lstrings.h"
  28 #include "support/lyxalgo.h"
  29 #include "support/std_ostream.h"
  30
  31 using lyx::support::escape;
  32
  33 using std::string;
  34 using std::ostream;
  35 using std::vector;
  36
  37
  38 InsetLabel::InsetLabel(InsetCommandParams const & p)
  39         : InsetCommand(p, "label")
  40 {}
  41
  42
  43 std::auto_ptr<InsetBase> InsetLabel::doClone() const
  44 {
  45         return std::auto_ptr<InsetBase>(new InsetLabel(params()));
  46 }
  47
  48
  49 void InsetLabel::getLabelList(Buffer const &, std::vector<string> & list) const
  50 {
  51         list.push_back(getContents());
  52 }
  53
  54
  55 string const InsetLabel::getScreenLabel(Buffer const &) const
  56 {
  57         return getContents();
  58 }
  59
  60
  61 namespace {
  62
  63 void changeRefsIfUnique(BufferView & bv, string const & from, string const & to)
  64 {
  65         // Check if the label 'from' appears more than once
  66         vector<string> labels;
  67         bv.buffer()->getLabelList(labels);
  68
  69         if (lyx::count(labels.begin(), labels.end(), from) > 1)
  70                 return;
  71
  72         InsetBase::Code code = InsetBase::REF_CODE;
  73
  74         ParIterator it = bv.buffer()->par_iterator_begin();
  75         ParIterator end = bv.buffer()->par_iterator_end();
  76         for ( ; it != end; ++it) {
  77                 bool changed_inset = false;
  78                 for (InsetList::iterator it2 = it->insetlist.begin();
  79                      it2 != it->insetlist.end(); ++it2) {
  80                         if (it2->inset->lyxCode() == code) {
  81                                 InsetCommand * inset = static_cast<InsetCommand *>(it2->inset);
  82                                 if (inset->getContents() == from) {
  83                                         inset->setContents(to);
  84                                         //inset->setButtonLabel();
  85                                         changed_inset = true;
  86                                 }
  87                         }
  88                 }
  89         }
  90 }
  91
  92 } // namespace anon
  93
  94
  95 void InsetLabel::doDispatch(LCursor & cur, FuncRequest & 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                         cur.undispatched();
 104                         break;
 105                 }
 106                 if (p.getContents() != params().getContents())
 107                         changeRefsIfUnique(cur.bv(), params().getContents(),
 108                                                        p.getContents());
 109                 setParams(p);
 110                 break;
 111         }
 112
 113         default:
 114                 InsetCommand::doDispatch(cur, cmd);
 115                 break;
 116         }
 117 }
 118
 119
 120 int InsetLabel::latex(Buffer const &, ostream & os,
 121                       OutputParams const &) const
 122 {
 123         os << escape(getCommand());
 124         return 0;
 125 }
 126
 127
 128 int InsetLabel::plaintext(Buffer const &, ostream & os,
 129                       OutputParams const &) const
 130 {
 131         os << '<' << getContents()  << '>';
 132         return 0;
 133 }
 134
 135
 136 int InsetLabel::linuxdoc(Buffer const & buf, ostream & os,
 137                          OutputParams const & runparams) const
 138 {
 139         os << "<label id=\"" << sgml::cleanID(buf, runparams, getContents()) << "\" >";
 140         return 0;
 141 }
 142
 143
 144 int InsetLabel::docbook(Buffer const & buf, ostream & os,
 145                         OutputParams const & runparams) const
 146 {
 147         os << "<!-- anchor id=\"" << sgml::cleanID(buf, runparams, getContents()) << "\" -->";
 148         return 0;
 149 }