/**
 * \file FormPreamble.C
 * Copyright 2001 The LyX Team.
 * See the file COPYING.
 *
 * \author Edwin Leuven, leuven@fee.uva.nl
 */

#include <config.h>

#ifdef __GNUG__
#pragma implementation
#endif

#include "ViewBase.h"
#include "ButtonControllerBase.h"
#include "ControlPreamble.h"
#include "LyXView.h"
#include "Dialogs.h"
#include "buffer.h"
#include "lyxrc.h"
#include "Liason.h"
#include "gettext.h"


ControlPreamble::ControlPreamble(LyXView & lv, Dialogs & d)
	: ControlDialog<ControlConnectBD>(lv, d),
	  params_(0)
{
    d_.showPreamble.connect(SigC::slot(this, &ControlPreamble::show));
}


void ControlPreamble::apply()
{
	if (!lv_.view()->available())
		return;
   
	view().apply();

	lv_.buffer()->params.preamble = params();
	lv_.buffer()->markDirty();
	Liason::setMinibuffer(&lv_, _("LaTeX preamble set"));
}


string & ControlPreamble::params() const
{
	lyx::Assert(params_);
	return *params_;
}


void ControlPreamble::setParams()
{
	if (params_) delete params_;
	params_ = new string(lv_.buffer()->params.preamble);
}


void ControlPreamble::clearParams()
{
	if (params_) {
		delete params_;
		params_ = 0;
	}
}