changelogs

[lyx.git] / src / insets / insetlabel.C

diff --git a/src/insets/insetlabel.C b/src/insets/insetlabel.C
index 9e5143df54f8e7d4046b4f3cafe507a7a008eef7..edffe585ade7da28aff342fa2d4f14670d5c5708 100644 (file)
--- a/src/insets/insetlabel.C
+++ b/src/insets/insetlabel.C
@@ -1,91 +1,149 @@
-/* This file is part of
- * ======================================================
- * 
- *           LyX, The Document Processor
- *      
- *         Copyright 1995 Matthias Ettrich
- *          Copyright 1995-1999 The LyX Team.
+/**
+ * \file insetlabel.C
+ * This file is part of LyX, the document processor.
+ * Licence details can be found in the file COPYING.
  *
- * ====================================================== */
+ * \author Lars Gullik Bjønnes
+ *
+ * Full author contact details are available in file CREDITS.
+ */
 
 #include <config.h>
 
-#ifdef __GNUG__
-#pragma implementation
-#endif
-
 #include "insetlabel.h"
 
-/* Label. Used to insert a label automatically */
+#include "buffer.h"
+#include "BufferView.h"
+#include "dispatchresult.h"
+#include "funcrequest.h"
+#include "InsetList.h"
+#include "lyxtext.h"
+#include "paragraph.h"
+#include "pariterator.h"
+#include "sgml.h"
+
+#include "frontends/LyXView.h"
+
+#include "support/lstrings.h"
+#include "support/lyxalgo.h"
+#include "support/std_ostream.h"
+
+using lyx::support::escape;
+
+using std::string;
+using std::ostream;
+using std::vector;
 
 
-InsetLabel::InsetLabel(string const & cmd)
+InsetLabel::InsetLabel(InsetCommandParams const & p)
+       : InsetCommand(p, "label")
+{}
+
+
+std::auto_ptr<InsetBase> InsetLabel::doClone() const
 {
-       scanCommand(cmd);
+       return std::auto_ptr<InsetBase>(new InsetLabel(params()));
 }
 
 
-Inset * InsetLabel::Clone() const
+void InsetLabel::getLabelList(Buffer const &, std::vector<string> & list) const
 {
-       return new InsetLabel(getCommand());
+       list.push_back(getContents());
 }
 
 
-int InsetLabel::GetNumberOfLabels() const
+string const InsetLabel::getScreenLabel(Buffer const &) const
 {
-       return 1;
+       return getContents();
 }
 
 
-string InsetLabel::getLabel(int) const
+namespace {
+
+void changeRefsIfUnique(BufferView & bv, string const & from, string const & to)
 {
-       return contents;
+       // Check if the label 'from' appears more than once
+       vector<string> labels;
+       bv.buffer()->getLabelList(labels);
+
+       if (lyx::count(labels.begin(), labels.end(), from) > 1)
+               return;
+
+       InsetBase::Code code = InsetBase::REF_CODE;
+
+       ParIterator it = bv.buffer()->par_iterator_begin();
+       ParIterator end = bv.buffer()->par_iterator_end();
+       for ( ; it != end; ++it) {
+               bool changed_inset = false;
+               for (InsetList::iterator it2 = it->insetlist.begin();
+                    it2 != it->insetlist.end(); ++it2) {
+                       if (it2->inset->lyxCode() == code) {
+                               InsetCommand * inset = static_cast<InsetCommand *>(it2->inset);
+                               if (inset->getContents() == from) {
+                                       inset->setContents(to);
+                                       //inset->setButtonLabel();
+                                       changed_inset = true;
+                               }
+                       }
+               }
+       }
 }
 
+} // namespace anon
+
 
-int InsetLabel::Latex(ostream & os, signed char /*fragile*/) const
+void InsetLabel::doDispatch(LCursor & cur, FuncRequest & cmd)
 {
-       os << escape(getCommand());
-       return 0;
+       switch (cmd.action) {
+
+       case LFUN_INSET_MODIFY: {
+               InsetCommandParams p;
+               InsetCommandMailer::string2params("label", cmd.argument, p);
+               if (p.getCmdName().empty()) {
+                       cur.undispatched();
+                       break;
+               }
+               if (p.getContents() != params().getContents())
+                       changeRefsIfUnique(cur.bv(), params().getContents(),
+                                                      p.getContents());
+               setParams(p);
+               break;
+       }
+
+       default:
+               InsetCommand::doDispatch(cur, cmd);
+               break;
+       }
 }
 
 
-int InsetLabel::Latex(string & file, signed char /*fragile*/) const
+int InsetLabel::latex(Buffer const &, ostream & os,
+                     OutputParams const &) const
 {
-       file += escape(getCommand());
+       os << escape(getCommand());
        return 0;
 }
 
 
-int InsetLabel::Linuxdoc(string & file) const
+int InsetLabel::plaintext(Buffer const &, ostream & os,
+                     OutputParams const &) const
 {
-       file += "<label id=\"" + getContents() +"\" >";
+       os << '<' << getContents()  << '>';
        return 0;
 }
 
 
-int InsetLabel::DocBook(string & file) const
+int InsetLabel::linuxdoc(Buffer const & buf, ostream & os,
+                        OutputParams const & runparams) const
 {
-       file += "<anchor id=\"" + getContents() +"\" >";
+       os << "<label id=\"" << sgml::cleanID(buf, runparams, getContents()) << "\" >";
        return 0;
 }
 
 
-// This function escapes 8-bit characters and other problematic characters
-// It's exactly the same code as in insetref.C.
-string InsetLabel::escape(string const & lab) const {
-       char hexdigit[16] = { '0', '1', '2', '3', '4', '5', '6', '7',
-                             '8', '9', 'A', 'B', 'C', 'D', 'E', 'F' };
-       string enc;
-       for (string::size_type i= 0; i < lab.length(); ++i) {
-               unsigned char c = lab[i];
-               if (c >= 128 || c == '=' || c == '%') {
-                       enc += '=';
-                       enc += hexdigit[c >> 4];
-                       enc += hexdigit[c & 15];
-               } else {
-                       enc += c;
-               }
-       }
-       return enc;
+int InsetLabel::docbook(Buffer const & buf, ostream & os,
+                       OutputParams const & runparams) const
+{
+       os << "<!-- anchor id=\"" << sgml::cleanID(buf, runparams, getContents()) << "\" -->";
+       return 0;
 }