/****************************************************************************
**
** This file is part of the LibreCAD project, a 2D CAD program
**
** Copyright (C) 2010 R. van Twisk (librecad@rvt.dds.nl)
** Copyright (C) 2001-2003 RibbonSoft. All rights reserved.
**
**
** This file may be distributed and/or modified under the terms of the
** GNU General Public License version 2 as published by the Free Software 
** Foundation and appearing in the file gpl-2.0.txt included in the
** packaging of this file.
**
** This program is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
** GNU General Public License for more details.
** 
** You should have received a copy of the GNU General Public License
** along with this program; if not, write to the Free Software
** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
**
** This copyright notice MUST APPEAR in all copies of the script!  
**
**********************************************************************/
#include "qg_lineangleoptions.h"

#include "rs_actioninterface.h"
#include "rs_actiondrawlineangle.h"
#include "rs_settings.h"
#include "rs_math.h"
#include "rs_debug.h"
#include "ui_qg_lineangleoptions.h"

/*
 *  Constructs a QG_LineAngleOptions as a child of 'parent', with the
 *  name 'name' and widget flags set to 'f'.
 */
QG_LineAngleOptions::QG_LineAngleOptions(QWidget* parent, Qt::WindowFlags fl)
    : QWidget(parent, fl)
	, ui(new Ui::Ui_LineAngleOptions{})
{
	ui->setupUi(this);
}

/*
 *  Destroys the object and frees any allocated resources
 */
QG_LineAngleOptions::~QG_LineAngleOptions()
{
	saveSettings();
}

/*
 *  Sets the strings of the subwidgets using the current
 *  language.
 */
void QG_LineAngleOptions::languageChange()
{
	ui->retranslateUi(this);
}

void QG_LineAngleOptions::setAction(RS_ActionInterface* a, bool update) {
    if (a && (
                a->rtti()==RS2::ActionDrawLineAngle
                ||a->rtti()==RS2::ActionDrawLineHorizontal
                ||a->rtti()==RS2::ActionDrawLineVertical
                )
    ){
		action = static_cast<RS_ActionDrawLineAngle*>(a);
        m_bFixedAngle=action->hasFixedAngle();
		ui->leLength->show();
		ui->lLength->show();
		ui->leAngle->setVisible(!action->hasFixedAngle());
		ui->lAngle->setVisible(!action->hasFixedAngle());

        QString sa;
        QString sl;
        int sp;

        // settings from action:
        if (update) {
			if (!action->hasFixedAngle())
                sa = QString("%1").arg(RS_Math::rad2deg(action->getAngle()));
            sl = QString("%1").arg(action->getLength());
			sp = action->getSnapPoint();
        } else {
        // settings from config file:
            RS_SETTINGS->beginGroup("/Draw");
			if (!action->hasFixedAngle()) {
                sa = RS_SETTINGS->readEntry("/LineAngleAngle", "30.0");
            } else {
                sa = QString("%1").arg(action->getAngle());
            }
            sl = RS_SETTINGS->readEntry("/LineAngleLength", "10.0");
            sp = RS_SETTINGS->readNumEntry("/LineAngleSnapPoint", 0);
            RS_SETTINGS->endGroup();
			action->setSnapPoint(sp);
        }

		ui->leAngle->setText(sa);
		ui->leLength->setText(sl);
				ui->cbSnapPoint->setCurrentIndex(sp);
    } else {
        RS_DEBUG->print(RS_Debug::D_ERROR, 
			"QG_LineAngleOptions::setAction: wrong action type");
		this->action = nullptr;
    }
}

/** fixme, action could be deleted already, moved the saving into the action
  class
  need to implement in shared_ptr*/
void QG_LineAngleOptions::saveSettings() {
//    if (action) {
//        RS_SETTINGS->beginGroup("/Draw");
//        if (!action->hasFixedAngle()) {
//            RS_SETTINGS->writeEntry("/LineAngleAngle", RS_Math::rad2deg(action->getAngle()));
//        }
//        RS_SETTINGS->writeEntry("/LineAngleLength", action->getLength());
//        RS_SETTINGS->writeEntry("/LineAngleSnapPoint", action->getSnapPoint());
//        RS_SETTINGS->endGroup();
//    }
}

void QG_LineAngleOptions::updateAngle(const QString& a) {
    if (action && !action->hasFixedAngle()) {
        action->setAngle(RS_Math::deg2rad(RS_Math::eval(a)));
    }
}

void QG_LineAngleOptions::updateLength(const QString& l) {
    if (action) {
        bool ok(false);
        double length=RS_Math::eval(l,&ok);
        if(ok) action->setLength(length);
    }
}

void QG_LineAngleOptions::updateSnapPoint(int sp) {
    if (action) {
        action->setSnapPoint(sp);
    }
}