lyx_mirror/src/insets/insetcite.C

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/* This file is part of*
* ======================================================
*
* LyX, The Document Processor
*
* Copyright 2000-2001 The LyX Team.
*
* ====================================================== */
#include <config.h>
#ifdef __GNUG__
#pragma implementation
#endif
#include "insetcite.h"
#include "buffer.h"
#include "BufferView.h"
#include "LaTeXFeatures.h"
#include "LyXView.h"
#include "frontends/Dialogs.h"
#include "support/lstrings.h"
using std::ostream;
InsetCitation::InsetCitation(InsetCommandParams const & p, bool)
: InsetCommand(p)
{}
string const InsetCitation::getScreenLabel(Buffer const *) const
{
string keys(getContents());
// If keys is "too long" then only print out the first few tokens
string label;
if (contains(keys, ",")) {
// Final comma allows while loop to cover all keys
keys = frontStrip(split(keys, label, ',')) + ",";
string::size_type const maxSize = 40;
while (contains(keys, ",")) {
string key;
keys = frontStrip(split(keys, key, ','));
string::size_type size = label.size() + 2 + key.size();
if (size >= maxSize) {
label += ", ...";
break;
}
label += ", " + key;
}
} else {
label = keys;
}
if (!getOptions().empty())
label += ", " + getOptions();
return "[" + label + "]";
}
void InsetCitation::edit(BufferView * bv, int, int, unsigned int)
{
bv->owner()->getDialogs()->showCitation(this);
}
void InsetCitation::edit(BufferView * bv, bool)
{
edit(bv, 0, 0, 0);
}
int InsetCitation::ascii(Buffer const *, ostream & os, int) const
{
os << "[" << getContents() << "]";
return 0;
}
// Have to overwrite the default InsetCommand method in order to check that
// the \cite command is valid. Eg, the user has natbib enabled, inputs some
// citations and then changes his mind, turning natbib support off. The output
// should revert to \cite[]{}
int InsetCitation::latex(Buffer const * buffer, ostream & os,
bool /*fragile*/, bool/*fs*/) const
{
os << "\\";
if (buffer->params.use_natbib)
os << getCmdName();
else
os << "cite";
if (!getOptions().empty())
os << "[" << getOptions() << "]";
// Paranoia check: make sure that there is no whitespace in here
string content;
for (string::const_iterator it = getContents().begin();
it != getContents().end(); ++it) {
if (*it != ' ') content += *it;
}
os << "{" << content << "}";
return 0;
}
void InsetCitation::validate(LaTeXFeatures & features) const
{
if (features.bufferParams().use_natbib)
features.require("natbib");
}