* This file is part of LyX, the document processor.
* Licence details can be found in the file COPYING.
*
- * \author Lars Gullik Bjønnes
+ * \author Lars Gullik Bjønnes
*
* Full author contact details are available in file CREDITS.
*/
#include "InsetLabel.h"
+#include "InsetRef.h"
+
+#include "buffer_funcs.h"
#include "Buffer.h"
+#include "BufferParams.h"
#include "BufferView.h"
+#include "CutAndPaste.h"
#include "DispatchResult.h"
#include "FuncRequest.h"
+#include "FuncStatus.h"
+#include "InsetIterator.h"
+#include "Language.h"
+#include "LyX.h"
+#include "output_xhtml.h"
#include "ParIterator.h"
#include "sgml.h"
#include "Text.h"
+#include "TextClass.h"
#include "TocBackend.h"
+#include "mathed/InsetMathHull.h"
+#include "mathed/InsetMathRef.h"
+
+#include "frontends/alert.h"
+
+#include "support/convert.h"
+#include "support/gettext.h"
#include "support/lstrings.h"
#include "support/lyxalgo.h"
namespace lyx {
-InsetLabel::InsetLabel(InsetCommandParams const & p)
- : InsetCommand(p, "label")
+InsetLabel::InsetLabel(Buffer * buf, InsetCommandParams const & p)
+ : InsetCommand(buf, p)
{}
+void InsetLabel::initView()
+{
+ // This seems to be used only for inset creation.
+ // Therefore we do not update refs here, since this would
+ // erroneously change refs from existing duplicate labels
+ // (#8141).
+ updateLabel(getParam("name"));
+}
+
+
+void InsetLabel::uniqueLabel(docstring & label) const
+{
+ docstring const new_label = label;
+ int i = 1;
+ bool ambiguous = false;
+ while (buffer().activeLabel(label)) {
+ label = new_label + '-' + convert<docstring>(i);
+ ++i;
+ ambiguous = true;
+ }
+ if (ambiguous) {
+ // 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));
+ }
+}
+
+
+void InsetLabel::updateLabel(docstring const & new_label)
+{
+ docstring label = new_label;
+ uniqueLabel(label);
+ setParam("name", label);
+}
+
+
+void InsetLabel::updateLabelAndRefs(docstring const & new_label,
+ Cursor * cursor)
+{
+ docstring const old_label = getParam("name");
+ docstring label = new_label;
+ uniqueLabel(label);
+ if (label == old_label)
+ return;
+
+ // This handles undo groups automagically
+ UndoGroupHelper ugh(&buffer());
+ if (cursor)
+ cursor->recordUndo();
+ setParam("name", label);
+ updateReferences(old_label, label);
+}
+
+
+void InsetLabel::updateReferences(docstring const & old_label,
+ docstring const & new_label)
+{
+ UndoGroupHelper ugh;
+ Buffer::References const & refs = buffer().references(old_label);
+ Buffer::References::const_iterator it = refs.begin();
+ Buffer::References::const_iterator end = refs.end();
+ for (; it != end; ++it) {
+ ugh.resetBuffer(it->second.buffer());
+ it->second.buffer()->undo().recordUndo(CursorData(it->second));
+ if (it->first->lyxCode() == MATH_REF_CODE) {
+ InsetMathRef * mi = it->first->asInsetMath()->asRefInset();
+ mi->changeTarget(new_label);
+ } else {
+ InsetCommand * ref = it->first->asInsetCommand();
+ ref->setParam("reference", new_label);
+ }
+ }
+}
+
+
ParamInfo const & InsetLabel::findInfo(string const & /* cmdName */)
{
static ParamInfo param_info_;
- if (param_info_.empty()) {
- param_info_.add("name", ParamInfo::LATEX_REQUIRED);
- }
+ if (param_info_.empty())
+ param_info_.add("name", ParamInfo::LATEX_REQUIRED,
+ ParamInfo::HANDLING_ESCAPE);
return param_info_;
}
-void InsetLabel::getLabelList(vector<docstring> & list) const
+docstring InsetLabel::screenLabel() const
{
- list.push_back(getParam("name"));
+ return screen_label_;
}
-docstring InsetLabel::screenLabel() const
+void InsetLabel::updateBuffer(ParIterator const & par, UpdateType utype)
{
- return getParam("name");
+ docstring const & label = getParam("name");
+
+ // Check if this one is deleted (ct)
+ Paragraph const & para = par.paragraph();
+ bool active = !para.isDeleted(par.pos());
+ // If not, check whether we are in a deleted inset
+ if (active) {
+ for (size_type sl = 0 ; sl < par.depth() ; ++sl) {
+ Paragraph const & outer_par = par[sl].paragraph();
+ if (outer_par.isDeleted(par[sl].pos())) {
+ active = false;
+ break;
+ }
+ }
+ }
+
+ if (buffer().activeLabel(label) && active) {
+ // Problem: We already have an active InsetLabel with the same name!
+ screen_label_ = _("DUPLICATE: ") + label;
+ return;
+ }
+ buffer().setInsetLabel(label, this, active);
+ screen_label_ = label;
+
+ if (utype == OutputUpdate) {
+ // save info on the active counter
+ Counters const & cnts =
+ buffer().masterBuffer()->params().documentClass().counters();
+ active_counter_ = cnts.currentCounter();
+ Language const * lang = par->getParLanguage(buffer().params());
+ if (lang && !active_counter_.empty()) {
+ counter_value_ = cnts.theCounter(active_counter_, lang->code());
+ pretty_counter_ = cnts.prettyCounter(active_counter_, lang->code());
+ } else {
+ counter_value_ = from_ascii("#");
+ pretty_counter_ = from_ascii("#");
+ }
+ }
}
-void InsetLabel::addToToc(ParConstIterator const & cpit) const
+void InsetLabel::addToToc(DocIterator const & cpit, bool output_active,
+ UpdateType, TocBackend & backend) const
{
- Toc & toc = buffer().tocBackend().toc("label");
- toc.push_back(TocItem(cpit, 0, screenLabel()));
+ docstring const & label = getParam("name");
+ // inactive labels get a cross mark
+ if (buffer().insetLabel(label, true) != this)
+ output_active = false;
+
+ // We put both active and inactive labels to the outliner
+ shared_ptr<Toc> toc = backend.toc("label");
+ toc->push_back(TocItem(cpit, 0, screen_label_, output_active));
+ // The refs get assigned only to the active label. If no active one exists,
+ // assign the (BROKEN) refs to the first inactive one.
+ if (buffer().insetLabel(label, true) == this || !buffer().activeLabel(label)) {
+ for (auto const & p : buffer().references(label)) {
+ DocIterator const ref_pit(p.second);
+ if (p.first->lyxCode() == MATH_REF_CODE)
+ toc->push_back(TocItem(ref_pit, 1,
+ p.first->asInsetMath()->asRefInset()->screenLabel(),
+ output_active));
+ else
+ toc->push_back(TocItem(ref_pit, 1,
+ static_cast<InsetRef *>(p.first)->getTOCString(),
+ output_active));
+ }
+ }
+}
+
+
+bool InsetLabel::getStatus(Cursor & cur, FuncRequest const & cmd,
+ FuncStatus & status) const
+{
+ bool enabled;
+ switch (cmd.action()) {
+ case LFUN_LABEL_INSERT_AS_REFERENCE:
+ case LFUN_LABEL_COPY_AS_REFERENCE:
+ enabled = true;
+ break;
+ case LFUN_INSET_MODIFY:
+ if (cmd.getArg(0) == "changetype") {
+ // this is handled by InsetCommand,
+ // but not by InsetLabel.
+ enabled = false;
+ break;
+ }
+ // no "changetype":
+ // fall through
+ default:
+ return InsetCommand::getStatus(cur, cmd, status);
+ }
+
+ status.setEnabled(enabled);
+ return true;
}
void InsetLabel::doDispatch(Cursor & cur, FuncRequest & cmd)
{
- switch (cmd.action) {
+ switch (cmd.action()) {
case LFUN_INSET_MODIFY: {
+ // the only other option here is "changetype", and we
+ // do not have different types.
+ if (cmd.getArg(0) != "label") {
+ cur.undispatched();
+ return;
+ }
InsetCommandParams p(LABEL_CODE);
// FIXME UNICODE
- InsetCommandMailer::string2params("label", to_utf8(cmd.argument()), p);
+ InsetCommand::string2params(to_utf8(cmd.argument()), p);
if (p.getCmdName().empty()) {
- cur.noUpdate();
+ cur.noScreenUpdate();
break;
}
- if (p["name"] != params()["name"])
- cur.bv().buffer().changeRefsIfUnique(params()["name"],
- p["name"], REF_CODE);
- setParams(p);
+ if (p["name"] != params()["name"]) {
+ // undo is handled in updateLabelAndRefs
+ updateLabelAndRefs(p["name"], &cur);
+ }
+ cur.forceBufferUpdate();
break;
}
- default:
- InsetCommand::doDispatch(cur, cmd);
+ case LFUN_LABEL_COPY_AS_REFERENCE: {
+ InsetCommandParams p(REF_CODE, "ref");
+ p["reference"] = getParam("name");
+ cap::clearSelection();
+ cap::copyInset(cur, new InsetRef(buffer_, p), getParam("name"));
break;
}
-}
+ case LFUN_LABEL_INSERT_AS_REFERENCE: {
+ InsetCommandParams p(REF_CODE, "ref");
+ p["reference"] = getParam("name");
+ string const data = InsetCommand::params2string(p);
+ lyx::dispatch(FuncRequest(LFUN_INSET_INSERT, data));
+ break;
+ }
-int InsetLabel::latex(odocstream & os, OutputParams const &) const
-{
- os << escape(getCommand());
- return 0;
+ default:
+ InsetCommand::doDispatch(cur, cmd);
+ break;
+ }
}
-int InsetLabel::plaintext(odocstream & os, OutputParams const &) const
+int InsetLabel::plaintext(odocstringstream & os,
+ OutputParams const &, size_t) const
{
docstring const str = getParam("name");
os << '<' << str << '>';
}
+docstring InsetLabel::xhtml(XHTMLStream & xs, OutputParams const &) const
+{
+ // FIXME XHTML
+ // Unfortunately, the name attribute has been deprecated, so we have to use
+ // id here to get the document to validate as XHTML 1.1. This will cause a
+ // problem with some browsers, though, I'm sure. (Guess which!) So we will
+ // have to figure out what to do about this later.
+ docstring const attr = "id=\"" + html::cleanAttr(getParam("name")) + '"';
+ xs << html::CompTag("a", to_utf8(attr));
+ return docstring();
+}
+
+
} // namespace lyx