/***************************************************************************
 *   Copyright (c) 2006 Werner Mayer <wmayer[at]users.sourceforge.net>     *
 *                                                                         *
 *   This file is part of the FreeCAD CAx development system.              *
 *                                                                         *
 *   This library is free software; you can redistribute it and/or         *
 *   modify it under the terms of the GNU Library General Public           *
 *   License as published by the Free Software Foundation; either          *
 *   version 2 of the License, or (at your option) any later version.      *
 *                                                                         *
 *   This library  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 Library General Public License for more details.                  *
 *                                                                         *
 *   You should have received a copy of the GNU Library General Public     *
 *   License along with this library; see the file COPYING.LIB. If not,    *
 *   write to the Free Software Foundation, Inc., 59 Temple Place,         *
 *   Suite 330, Boston, MA  02111-1307, USA                                *
 *                                                                         *
 ***************************************************************************/


#include "PreCompiled.h"
#ifndef _PreComp_
# include <qaction.h>
# include <qdir.h>
# include <qfileinfo.h>
# include <Inventor/events/SoMouseButtonEvent.h>
#endif

#include <Base/Exception.h>
#include <Base/Matrix.h>
#include <App/Document.h>
#include <Gui/Application.h>
#include <Gui/Document.h>
#include <Gui/MainWindow.h>
#include <Gui/Command.h>
#include <Gui/FileDialog.h>
#include <Gui/Selection.h>
#include <Gui/ViewProvider.h>
#include <Gui/View3DInventor.h>
#include <Gui/View3DInventorViewer.h>

#include "../App/PointsFeature.h"
#include "DlgPointsReadImp.h"
#include "ViewProvider.h"


//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

//===========================================================================
// CmdPointsImport
//===========================================================================
DEF_STD_CMD_A(CmdPointsImport);

CmdPointsImport::CmdPointsImport()
  : Command("Points_Import")
{
    sAppModule    = "Points";
    sGroup        = QT_TR_NOOP("Points");
    sMenuText     = QT_TR_NOOP("Import points...");
    sToolTipText  = QT_TR_NOOP("Imports a point cloud");
    sWhatsThis    = QT_TR_NOOP("Imports a point cloud");
    sStatusTip    = QT_TR_NOOP("Imports a point cloud");
    sPixmap       = "Points_Import_Point_cloud";
}

void CmdPointsImport::activated(int iMsg)
{
    QString fn = Gui::FileDialog::getOpenFileName(Gui::getMainWindow(),
      QString::null, QString(), QString::fromLatin1("%1 (*.asc);;%2 (*.*)")
      .arg(QObject::tr("Ascii Points")).arg(QObject::tr("All Files")));
    if (fn.isEmpty())
        return;

    if (!fn.isEmpty()) {
        QFileInfo fi;
        fi.setFile(fn);

        openCommand("Import points");
        QByteArray name = fi.baseName().toLatin1();
        Points::Feature* pts = static_cast<Points::Feature*>(getActiveGuiDocument()->getDocument()->
            addObject("Points::Feature", static_cast<const char*>(name)));
        Points::PointKernel* kernel = pts->Points.startEditing();
        kernel->load(static_cast<const char*>(fn.toLatin1()));
        pts->Points.finishEditing();
        commitCommand();

        updateActive();
    }
}

bool CmdPointsImport::isActive(void)
{
    if (getActiveGuiDocument())
        return true;
    else
        return false;
}

DEF_STD_CMD_A(CmdPointsExport);

CmdPointsExport::CmdPointsExport()
  : Command("Points_Export")
{
    sAppModule    = "Points";
    sGroup        = QT_TR_NOOP("Points");
    sMenuText     = QT_TR_NOOP("Export points...");
    sToolTipText  = QT_TR_NOOP("Exports a point cloud");
    sWhatsThis    = QT_TR_NOOP("Exports a point cloud");
    sStatusTip    = QT_TR_NOOP("Exports a point cloud");
    sPixmap       = "Points_Export_Point_cloud";
}

void CmdPointsExport::activated(int iMsg)
{
    std::vector<App::DocumentObject*> points = getSelection().getObjectsOfType(Points::Feature::getClassTypeId());
    for (std::vector<App::DocumentObject*>::const_iterator it = points.begin(); it != points.end(); ++it) {
        QString fn = Gui::FileDialog::getSaveFileName(Gui::getMainWindow(),
          QString::null, QString(), QString::fromLatin1("%1 (*.asc);;%2 (*.*)")
          .arg(QObject::tr("Ascii Points")).arg(QObject::tr("All Files")));
        if (fn.isEmpty())
            break;

        if (!fn.isEmpty()) {
            QFileInfo fi;
            fi.setFile(fn);

            Points::Feature* pts = static_cast<Points::Feature*>(*it);
            pts->Points.getValue().save(static_cast<const char*>(fn.toLatin1()));
        }
    }
}

bool CmdPointsExport::isActive(void)
{
    return getSelection().countObjectsOfType(Points::Feature::getClassTypeId()) > 0;
}

DEF_STD_CMD_A(CmdPointsTransform);

CmdPointsTransform::CmdPointsTransform()
  :Command("Points_Transform")
{
    sAppModule    = "Points";
    sGroup        = QT_TR_NOOP("Points");
    sMenuText     = QT_TR_NOOP("Transform Points");
    sToolTipText  = QT_TR_NOOP("Test to transform a point cloud");
    sWhatsThis    = QT_TR_NOOP("Test to transform a point cloud");
    sStatusTip    = QT_TR_NOOP("Test to transform a point cloud");
    sPixmap       = "Test1";
}

void CmdPointsTransform::activated(int iMsg)
{
    // This is a test command to transform a point cloud directly written in C++ (not Python)
    Base::Placement trans;
    trans.setRotation(Base::Rotation(Base::Vector3d(0.0, 0.0, 1.0), 1.570796));

    openCommand("Transform points");
    //std::vector<App::DocumentObject*> points = getSelection().getObjectsOfType(Points::Feature::getClassTypeId());
    //for (std::vector<App::DocumentObject*>::const_iterator it = points.begin(); it != points.end(); ++it) {
    //    Base::Placement p = static_cast<Points::Feature*>(*it)->Placement.getValue();
    //    p._rot *= Base::Rotation(Base::Vector3d(0.0, 0.0, 1.0), 1.570796);
    //    static_cast<Points::Feature*>(*it)->Placement.setValue(p);
    //}
    commitCommand();
}

bool CmdPointsTransform::isActive(void)
{
    return getSelection().countObjectsOfType(Points::Feature::getClassTypeId()) > 0;
}

DEF_STD_CMD_A(CmdPointsPolyCut);

CmdPointsPolyCut::CmdPointsPolyCut()
  :Command("Points_PolyCut")
{
    sAppModule    = "Points";
    sGroup        = QT_TR_NOOP("Points");
    sMenuText     = QT_TR_NOOP("Cut point cloud");
    sToolTipText  = QT_TR_NOOP("Cuts a point cloud with a picked polygon");
    sWhatsThis    = QT_TR_NOOP("Cuts a point cloud with a picked polygon");
    sStatusTip    = QT_TR_NOOP("Cuts a point cloud with a picked polygon");
    sPixmap       = "PolygonPick";
}

void CmdPointsPolyCut::activated(int iMsg)
{
    std::vector<App::DocumentObject*> docObj = Gui::Selection().getObjectsOfType(Points::Feature::getClassTypeId());
    for (std::vector<App::DocumentObject*>::iterator it = docObj.begin(); it != docObj.end(); ++it) {
        if (it == docObj.begin()) {
            Gui::Document* doc = getActiveGuiDocument();
            Gui::MDIView* view = doc->getActiveView();
            if (view->getTypeId().isDerivedFrom(Gui::View3DInventor::getClassTypeId())) {
                Gui::View3DInventorViewer* viewer = ((Gui::View3DInventor*)view)->getViewer();
                viewer->setEditing(true);
                viewer->startSelection(Gui::View3DInventorViewer::Lasso);
                viewer->addEventCallback(SoMouseButtonEvent::getClassTypeId(), PointsGui::ViewProviderPoints::clipPointsCallback);
            }
            else {
                return;
            }
        }

        Gui::ViewProvider* pVP = getActiveGuiDocument()->getViewProvider( *it );
        pVP->startEditing();
    }
}

bool CmdPointsPolyCut::isActive(void)
{
    // Check for the selected mesh feature (all Mesh types)
    return getSelection().countObjectsOfType(Points::Feature::getClassTypeId()) > 0;
}

void CreatePointsCommands(void)
{
    Gui::CommandManager &rcCmdMgr = Gui::Application::Instance->commandManager();
    rcCmdMgr.addCommand(new CmdPointsImport());
    rcCmdMgr.addCommand(new CmdPointsExport());
    rcCmdMgr.addCommand(new CmdPointsTransform());
    rcCmdMgr.addCommand(new CmdPointsPolyCut());
}