/**
 * \file ControlCharacter.C
 * Copyright 2001 The LyX Team.
 * See the file COPYING.
 *
 * \author Angus Leeming, a.leeming@.ac.uk
 */

#include <vector>

#ifdef __GNUG__
#pragma implementation
#endif

#include <config.h>

#include "ViewBase.h"
#include "ButtonControllerBase.h"
#include "ControlCharacter.h"
#include "buffer.h"
#include "Dialogs.h"
#include "Liason.h"
#include "LyXView.h"
#include "bufferview_funcs.h" // ToggleAndShow
#include "gettext.h"
#include "language.h"
#include "BufferView.h"

using Liason::setMinibuffer;
using SigC::slot;
using std::vector;


ControlCharacter::ControlCharacter(LyXView & lv, Dialogs & d)
	: ControlDialog<ControlConnectBD>(lv, d),
	  font_(0), toggleall_(false)
{
	d_.showCharacter.connect(slot(this, &ControlCharacter::show));
	d_.setUserFreeFont.connect(slot(this, &ControlCharacter::apply));
}


void ControlCharacter::setParams()
{
	// Do this the first time only. Used as a flag for whether or not the
	// view has been built
	if (!font_.get())
		font_.reset(new LyXFont(LyXFont::ALL_IGNORE));

	// so that the user can press Ok
	if (getFamily()   != LyXFont::IGNORE_FAMILY ||
	    getSeries()   != LyXFont::IGNORE_SERIES ||
	    getShape()    != LyXFont::IGNORE_SHAPE  ||
	    getSize()     != LyXFont::IGNORE_SIZE ||
	    getBar()      != character::IGNORE ||
	    getColor()    != LColor::ignore ||
	    font_->language() != ignore_language)
		bc().valid();
}


void ControlCharacter::apply()
{
	// Nothing to apply. (Can be called from the Toolbar.)
	if (!font_.get())
		return;

	// Apply from the view if it's visible. Otherwise, use the stored values
	if (lv_.view()->available())
		view().apply();

	toggleAndShow(lv_.view(), *(font_.get()), toggleall_);
	lv_.view()->setState();
	lv_.buffer()->markDirty();
	setMinibuffer(&lv_, _("Character set"));
}


LyXFont::FONT_FAMILY ControlCharacter::getFamily() const
{
	if (font_.get())
		return font_->family();
	return LyXFont::IGNORE_FAMILY;
}


void ControlCharacter::setFamily(LyXFont::FONT_FAMILY val)
{
	font_->setFamily(val);
}


LyXFont::FONT_SERIES ControlCharacter::getSeries() const
{
	if (font_.get())
		return font_->series();
	return LyXFont::IGNORE_SERIES;
}


void ControlCharacter::setSeries(LyXFont::FONT_SERIES val)
{
	font_->setSeries(val);
}


LyXFont::FONT_SHAPE ControlCharacter::getShape() const
{
	if (font_.get())
		return font_->shape();
	return LyXFont::IGNORE_SHAPE;
}


void ControlCharacter::setShape(LyXFont::FONT_SHAPE val)
{
	font_->setShape(val);
}


LyXFont::FONT_SIZE ControlCharacter::getSize() const
{
	if (font_.get())
		return font_->size();
	return LyXFont::IGNORE_SIZE;
}


void ControlCharacter::setSize(LyXFont::FONT_SIZE val)
{
	font_->setSize(val);
}


character::FONT_STATE ControlCharacter::getBar() const
{
	if (font_.get()) {
		if (font_->emph() != LyXFont::IGNORE)
			return character::EMPH_TOGGLE;

		else if (font_->underbar() != LyXFont::IGNORE)
	    		return character::UNDERBAR_TOGGLE;

		else if (font_->noun() != LyXFont::IGNORE)
	    		return character::NOUN_TOGGLE;
#ifndef NO_LATEX
		else if (font_->latex() != LyXFont::IGNORE)
	    		return character::LATEX_TOGGLE;
#endif
	}
	return character::IGNORE;
}


void ControlCharacter::setBar(character::FONT_STATE val)
{
	switch (val) {
	case character::IGNORE:
		font_->setEmph(LyXFont::IGNORE);
		font_->setUnderbar(LyXFont::IGNORE);
		font_->setNoun(LyXFont::IGNORE);
#ifndef NO_LATEX
		font_->setLatex(LyXFont::IGNORE);
#endif
		break;

	case character::EMPH_TOGGLE:
		font_->setEmph(LyXFont::TOGGLE);
		break;

	case character::UNDERBAR_TOGGLE:
		font_->setUnderbar(LyXFont::TOGGLE);
		break;

	case character::NOUN_TOGGLE:
		font_->setNoun(LyXFont::TOGGLE);
		break;

#ifndef NO_LATEX
	case character::LATEX_TOGGLE:
		font_->setLatex(LyXFont::TOGGLE);
		break;
#endif
		
	case character::INHERIT:
		font_->setEmph(LyXFont::INHERIT);
		font_->setUnderbar(LyXFont::INHERIT);
		font_->setNoun(LyXFont::INHERIT);
#ifndef NO_LATEX
		font_->setLatex(LyXFont::INHERIT);
#endif
		break;
	}
}


LColor::color ControlCharacter::getColor() const
{
	LColor::color col = LColor::ignore;
    
	if (font_.get()) {
		switch (font_->color()) {
		case LColor::ignore:
		case LColor::none:
		case LColor::black:
		case LColor::white:
		case LColor::red:
		case LColor::green:
		case LColor::blue:
		case LColor::cyan:
		case LColor::magenta:
		case LColor::yellow:
		case LColor::inherit:
			break;
		default:
			col = font_->color();
			break;
		}
	}

	return col;
}


void ControlCharacter::setColor(LColor::color val)
{
	switch (val) {
	case LColor::ignore:
	case LColor::none:
	case LColor::black:
	case LColor::white:
	case LColor::red:
	case LColor::green:
	case LColor::blue:
	case LColor::cyan:
	case LColor::magenta:
	case LColor::yellow:
	case LColor::inherit:
		font_->setColor(val);
		break;
	default:
		break;
	}
}


string ControlCharacter::getLanguage() const
{
	if (font_.get() && font_->language())
		return font_->language()->lang();
	return _("No change");
}


void ControlCharacter::setLanguage(string const & val)
{
	if (val == _("No change"))
		font_->setLanguage(ignore_language);

	else if ( val == _("Reset"))
		font_->setLanguage(lv_.buffer()->params.language);

	else
		font_->setLanguage(languages.getLanguage(val));
}


bool ControlCharacter::getToggleAll() const
{
	return toggleall_;
}


void ControlCharacter::setToggleAll(bool t)
{
	toggleall_ = t;
}