/****************************************************************************
**
** 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<QAction>
#include <QMouseEvent>
#include "rs_actionmodifyoffset.h"

#include "rs_dialogfactory.h"
#include "rs_graphicview.h"
#include "rs_modification.h"
#include "rs_preview.h"
#include "rs_debug.h"

RS_ActionModifyOffset::RS_ActionModifyOffset(RS_EntityContainer& container,
                                             RS_GraphicView& graphicView)
    :RS_PreviewActionInterface("Modify Offset",
							   container, graphicView)
	,data(new RS_OffsetData())
{
	actionType=RS2::ActionModifyOffset;

	data->distance=0.;
	data->number=1;
	data->useCurrentAttributes = true;
	data->useCurrentLayer = true;
}

RS_ActionModifyOffset::~RS_ActionModifyOffset() = default;

void RS_ActionModifyOffset::init(int status) {
    RS_ActionInterface::init(status);
    //finish, if nothing selected
    if(container->countSelected()==0) finish();

}

void RS_ActionModifyOffset::trigger() {
    RS_Modification m(*container, graphicView);
	m.offset(*data);
	RS_DIALOGFACTORY->updateSelectionWidget(container->countSelected(),
											container->totalSelectedLength());
	finish(false);
}



void RS_ActionModifyOffset::mouseMoveEvent(QMouseEvent* e) {
//    RS_DEBUG->print("RS_ActionModifyOffset::mouseMoveEvent begin");
	data->coord=snapPoint(e);


	RS_EntityContainer ec(nullptr,true);
	for(auto en: *container){
        if(en->isSelected()) ec.addEntity(en->clone());
    }
    if(ec.isEmpty()) return;
	RS_Modification m(ec, nullptr, false);
	m.offset(*data);

    deletePreview();
    preview->addSelectionFrom(ec);
    drawPreview();

}

void RS_ActionModifyOffset::mouseReleaseEvent(QMouseEvent* e) {
    if (e->button()==Qt::LeftButton) {
            trigger();
    } else if (e->button()==Qt::RightButton) {
        deletePreview();
        init(getStatus()-1);
    }
}

void RS_ActionModifyOffset::updateMouseButtonHints() {
	switch (getStatus()) {
	case SetPosition:
		RS_DIALOGFACTORY->updateMouseWidget(tr("Specify direction of offset"), tr("Back"));
		break;

	default:
		RS_DIALOGFACTORY->updateMouseWidget();
		break;
	}
}

void RS_ActionModifyOffset::showOptions() {
    RS_ActionInterface::showOptions();
	RS_DIALOGFACTORY->requestModifyOffsetOptions(data->distance, true);
}

void RS_ActionModifyOffset::hideOptions() {
    RS_ActionInterface::hideOptions();

	RS_DIALOGFACTORY->requestModifyOffsetOptions(data->distance, false);
}

void RS_ActionModifyOffset::updateMouseCursor() {
    graphicView->setMouseCursor(RS2::CadCursor);
}

// EOF