X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2Finsets%2FInsetLabel.cpp;h=6a3be71a0205118378ba7de4ea5bcb578faf30e3;hb=d6f1915684328c6e3fe61c6eef8846b5cabec334;hp=07488dfa6a5c5a9f74a9fecbfd08bf46930daba6;hpb=9abb7db46800e554f57e865a3e768602ffd9d6f1;p=lyx.git

diff --git a/src/insets/InsetLabel.cpp b/src/insets/InsetLabel.cpp
index 07488dfa6a..6a3be71a02 100644
--- a/src/insets/InsetLabel.cpp
+++ b/src/insets/InsetLabel.cpp
@@ -12,17 +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 {
 
@@ -32,30 +43,94 @@ InsetLabel::InsetLabel(InsetCommandParams const & p)
 {}
 
 
-CommandInfo const * InsetLabel::findInfo(string const & /* cmdName */)
+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 const char * const paramnames[] = {"name", ""};
-	static const bool isoptional[] = {false};
-	static const CommandInfo info = {1, paramnames, isoptional};
-	return &info;
+	static ParamInfo param_info_;
+	if (param_info_.empty()) {
+		param_info_.add("name", ParamInfo::LATEX_REQUIRED);
+	}
+	return param_info_;
 }
 
 
-Inset * InsetLabel::clone() const
+docstring InsetLabel::screenLabel() const
 {
-	return new InsetLabel(params());
+	return screen_label_;
 }
 
 
-void InsetLabel::getLabelList(Buffer const &, 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()));
+	}
 }
 
 
@@ -66,15 +141,12 @@ void InsetLabel::doDispatch(Cursor & cur, FuncRequest & cmd)
 	case LFUN_INSET_MODIFY: {
 		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;
 	}
 
@@ -85,16 +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 << '>';
@@ -102,11 +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;
 }