This optional argument to the InsetCollapsable constructor

[lyx.git] / src / insets / InsetLabel.cpp

diff --git a/src/insets/InsetLabel.cpp b/src/insets/InsetLabel.cpp
index 3d8ffa4b97176bb335d16a98dbcce3531bdfba57..6a3be71a0205118378ba7de4ea5bcb578faf30e3 100644 (file)
--- a/src/insets/InsetLabel.cpp
+++ b/src/insets/InsetLabel.cpp
@@ -12,16 +12,28 @@
 
 #include "InsetLabel.h"
 
+#include "InsetRef.h"
+
+#include "buffer_funcs.h"
 #include "Buffer.h"
 #include "BufferView.h"
 #include "DispatchResult.h"
 #include "FuncRequest.h"
-#include "Text.h"
+#include "InsetIterator.h"
+#include "ParIterator.h"
 #include "sgml.h"
+#include "Text.h"
+#include "TocBackend.h"
+
+#include "frontends/alert.h"
 
+#include "support/convert.h"
+#include "support/gettext.h"
 #include "support/lstrings.h"
 #include "support/lyxalgo.h"
 
+using namespace std;
+using namespace lyx::support;
 
 namespace lyx {
 
@@ -31,21 +43,94 @@ InsetLabel::InsetLabel(InsetCommandParams const & p)
 {}
 
 
-Inset * InsetLabel::clone() const
+void InsetLabel::initView()
+{
+       updateCommand(getParam("name"));
+}
+
+
+void InsetLabel::updateCommand(docstring const & new_label, bool updaterefs)
+{
+       docstring const old_label = getParam("name");
+       docstring label = new_label;
+       int i = 1;
+       while (buffer().insetLabel(label)) {
+               label = new_label + '-' + convert<docstring>(i);
+               ++i;
+       }
+
+       if (label != new_label) {
+               // Warn the user that the label has been changed to something else.
+               frontend::Alert::warning(_("Label names must be unique!"),
+                       bformat(_("The label %1$s already exists,\n"
+                       "it will be changed to %2$s."), new_label, label));
+       }
+
+       buffer().undo().beginUndoGroup();
+       setParam("name", label);
+
+       if (updaterefs) {
+               Buffer::References & refs = buffer().references(old_label);
+               Buffer::References::iterator it = refs.begin();
+               Buffer::References::iterator end = refs.end();
+               for (; it != end; ++it) {
+                       buffer().undo().recordUndo(it->second);
+                       it->first->setParam("reference", label);
+               }
+       }
+       buffer().undo().endUndoGroup();
+
+       // We need an update of the Buffer reference cache. This is achieved by
+       // updateLabel().
+       lyx::updateLabels(buffer());
+}
+
+
+ParamInfo const & InsetLabel::findInfo(string const & /* cmdName */)
+{
+       static ParamInfo param_info_;
+       if (param_info_.empty()) {
+               param_info_.add("name", ParamInfo::LATEX_REQUIRED);
+       }
+       return param_info_;
+}
+
+
+docstring InsetLabel::screenLabel() const
 {
-       return new InsetLabel(params());
+       return screen_label_;
 }
 
 
-void InsetLabel::getLabelList(Buffer const &, std::vector<docstring> & list) const
+void InsetLabel::updateLabels(ParIterator const &)
 {
-       list.push_back(getParam("name"));
+       docstring const & label = getParam("name");
+       if (buffer().insetLabel(label)) {
+               // Problem: We already have an InsetLabel with the same name!
+               screen_label_ = _("DUPLICATE: ") + label;
+               return;
+       }
+       buffer().setInsetLabel(label, this);
+       screen_label_ = label;
 }
 
 
-docstring const InsetLabel::getScreenLabel(Buffer const &) const
+void InsetLabel::addToToc(DocIterator const & cpit)
 {
-       return getParam("name");
+       docstring const & label = getParam("name");
+       Toc & toc = buffer().tocBackend().toc("label");
+       if (buffer().insetLabel(label) != this) {
+               toc.push_back(TocItem(cpit, 0, screen_label_));
+               return;
+       }
+       toc.push_back(TocItem(cpit, 0, screen_label_));
+       Buffer::References const & refs = buffer().references(label);
+       Buffer::References::const_iterator it = refs.begin();
+       Buffer::References::const_iterator end = refs.end();
+       for (; it != end; ++it) {
+               DocIterator const ref_pit(it->second);
+               toc.push_back(TocItem(ref_pit, 1, it->first->screenLabel()));
+       }
 }
 
 
@@ -54,17 +139,14 @@ void InsetLabel::doDispatch(Cursor & cur, FuncRequest & cmd)
        switch (cmd.action) {
 
        case LFUN_INSET_MODIFY: {
-               InsetCommandParams p("label");
+               InsetCommandParams p(LABEL_CODE);
                // FIXME UNICODE
-               InsetCommandMailer::string2params("label", to_utf8(cmd.argument()), p);
+               InsetCommand::string2params("label", to_utf8(cmd.argument()), p);
                if (p.getCmdName().empty()) {
                        cur.noUpdate();
                        break;
                }
-               if (p["name"] != params()["name"])
-                       cur.bv().buffer().changeRefsIfUnique(params()["name"],
-                                       p["name"], REF_CODE);
-               setParams(p);
+               updateCommand(p["name"]);
                break;
        }
 
@@ -75,16 +157,14 @@ void InsetLabel::doDispatch(Cursor & cur, FuncRequest & cmd)
 }
 
 
-int InsetLabel::latex(Buffer const &, odocstream & os,
-                     OutputParams const &) const
+int InsetLabel::latex(odocstream & os, OutputParams const &) const
 {
-       os << support::escape(getCommand());
+       os << escape(getCommand());
        return 0;
 }
 
 
-int InsetLabel::plaintext(Buffer const &, odocstream & os,
-                         OutputParams const &) const
+int InsetLabel::plaintext(odocstream & os, OutputParams const &) const
 {
        docstring const str = getParam("name");
        os << '<' << str << '>';
@@ -92,11 +172,10 @@ int InsetLabel::plaintext(Buffer const &, odocstream & os,
 }
 
 
-int InsetLabel::docbook(Buffer const & buf, odocstream & os,
-                       OutputParams const & runparams) const
+int InsetLabel::docbook(odocstream & os, OutputParams const & runparams) const
 {
        os << "<!-- anchor id=\""
-          << sgml::cleanID(buf, runparams, getParam("name"))
+          << sgml::cleanID(buffer(), runparams, getParam("name"))
           << "\" -->";
        return 0;
 }