/***************************************************************************
 *   Copyright (c) 2005 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 <qobject.h>
# include <QGroupBox>
# include <QLabel>
#endif

#include "Workbench.h"
#include <Gui/MenuManager.h>
#include <Gui/ToolBarManager.h>
#include <Gui/Selection.h>
#include <Gui/TaskView/TaskView.h>

#include "../App/MeshFeature.h"

using namespace MeshGui;

#if 0 // needed for Qt's lupdate utility
    qApp->translate("Workbench", "Analyze");
    qApp->translate("Workbench", "Boolean");
    qApp->translate("Workbench", "&Meshes");
    qApp->translate("Workbench", "Mesh tools");
#endif

/// @namespace MeshGui @class Workbench
TYPESYSTEM_SOURCE(MeshGui::Workbench, Gui::StdWorkbench)

Workbench::Workbench()
{
}

Workbench::~Workbench()
{
}

class MeshInfoWatcher : public Gui::TaskView::TaskWatcher, public Gui::SelectionObserver
{
public:
    MeshInfoWatcher() : TaskWatcher(0)
    {
        labelPoints = new QLabel();
        labelPoints->setText(QString::fromAscii("Number of points:"));

        labelFacets = new QLabel();
        labelFacets->setText(QString::fromAscii("Number of facets:"));

        numPoints = new QLabel();
        numFacets = new QLabel();

        labelMin = new QLabel();
        labelMin->setText(QString::fromAscii("Minumum bound:"));

        labelMax = new QLabel();
        labelMax->setText(QString::fromAscii("Maximum bound:"));

        numMin = new QLabel();
        numMax = new QLabel();

        QGroupBox* box = new QGroupBox();
        box->setTitle(QString::fromAscii("Mesh info box"));
        //box->setAutoFillBackground(true);
        QGridLayout* grid = new QGridLayout(box);
        grid->addWidget(labelPoints, 0, 0);
        grid->addWidget(numPoints, 0, 1);
        grid->addWidget(labelFacets, 1, 0);
        grid->addWidget(numFacets, 1, 1);

        grid->addWidget(labelMin, 2, 0);
        grid->addWidget(numMin, 2, 1);
        grid->addWidget(labelMax, 3, 0);
        grid->addWidget(numMax, 3, 1);

        Gui::TaskView::TaskBox* taskbox = new Gui::TaskView::TaskBox(
            QPixmap(), QString::fromAscii("Mesh info"), false, 0);
        taskbox->groupLayout()->addWidget(box);
        Content.push_back(taskbox);
    }
    bool shouldShow(void)
    {
        return true;
    }
    void onSelectionChanged(const Gui::SelectionChanges& msg)
    {
        Base::BoundBox3d bbox;
        unsigned long countPoints=0, countFacets=0;
        std::vector<Mesh::Feature*> mesh = Gui::Selection().getObjectsOfType<Mesh::Feature>();
        for (std::vector<Mesh::Feature*>::iterator it = mesh.begin(); it != mesh.end(); ++it) {
            countPoints += (*it)->Mesh.getValue().countPoints();
            countFacets += (*it)->Mesh.getValue().countFacets();
            bbox.Add((*it)->Mesh.getBoundingBox());
        }

        if (countPoints > 0) {
            numPoints->setText(QString::number(countPoints));
            numFacets->setText(QString::number(countFacets));
            numMin->setText(QString::fromAscii("X: %1\tY: %2\tZ: %3")
                .arg(bbox.MinX).arg(bbox.MinX).arg(bbox.MinX));
            numMax->setText(QString::fromAscii("X: %1\tY: %2\tZ: %3")
                .arg(bbox.MaxX).arg(bbox.MaxX).arg(bbox.MaxX));
        }
        else {
            numPoints->setText(QString::fromAscii(""));
            numFacets->setText(QString::fromAscii(""));
            numMin->setText(QString::fromAscii(""));
            numMax->setText(QString::fromAscii(""));
        }
    }

private:
    QLabel* labelPoints;
    QLabel* numPoints;
    QLabel* labelFacets;
    QLabel* numFacets;
    QLabel* labelMin;
    QLabel* numMin;
    QLabel* labelMax;
    QLabel* numMax;
};

void Workbench::activated()
{
    Gui::Workbench::activated();

    std::vector<Gui::TaskView::TaskWatcher*> Watcher;
    Watcher.push_back(new MeshInfoWatcher);
    addTaskWatcher(Watcher);
}

void Workbench::deactivated()
{
    Gui::Workbench::deactivated();
    removeTaskWatcher();

}

void Workbench::setupContextMenu(const char* recipient,Gui::MenuItem* item) const
{
    StdWorkbench::setupContextMenu( recipient, item );
    if (Gui::Selection().countObjectsOfType(Mesh::Feature::getClassTypeId()) > 0)
    {
        *item << "Separator" << "Mesh_Import" << "Mesh_Export" << "Mesh_VertexCurvature";
    }
}

Gui::MenuItem* Workbench::setupMenuBar() const
{
    Gui::MenuItem* root = StdWorkbench::setupMenuBar();
    Gui::MenuItem* item = root->findItem("&Windows");
    Gui::MenuItem* mesh = new Gui::MenuItem;
    root->insertItem( item, mesh );

    // analyze
    Gui::MenuItem* analyze = new Gui::MenuItem;
    analyze->setCommand("Analyze");
    *analyze << "Mesh_Evaluation" << "Mesh_EvaluateFacet" << "Mesh_CurvatureInfo" << "Separator" 
             << "Mesh_EvaluateSolid" << "Mesh_BoundingBox";

    // boolean
    Gui::MenuItem* boolean = new Gui::MenuItem;
    boolean->setCommand("Boolean");
    *boolean << "Mesh_Union" << "Mesh_Intersection" << "Mesh_Difference";
 
    mesh->setCommand("&Meshes");
    *mesh << "Mesh_Import" << "Mesh_Export" << "Mesh_FromPartShape" << "Separator"
          << analyze << "Mesh_HarmonizeNormals" << "Mesh_FlipNormals" << "Separator" 
          << "Mesh_FillupHoles" << "Mesh_FillInteractiveHole" << "Mesh_RemoveComponents"
          << "Mesh_RemoveCompByHand" << "Mesh_AddFacet" << "Mesh_Smoothing" << "Separator" 
          << "Mesh_BuildRegularSolid" << boolean << "Separator" << "Mesh_Merge" << "Mesh_PolySelect" << "Mesh_PolyCut"
          << "Mesh_PolySplit" << "Mesh_PolySegm" << "Mesh_PolyTrim" << "Mesh_TrimByPlane" << "Mesh_Segmentation"
          << "Mesh_VertexCurvature";
    return root;
}

Gui::ToolBarItem* Workbench::setupToolBars() const
{
    Gui::ToolBarItem* root = StdWorkbench::setupToolBars();
    Gui::ToolBarItem* mesh = new Gui::ToolBarItem(root);
    mesh->setCommand("Mesh tools");
    *mesh << "Mesh_Import" << "Mesh_Export" << "Separator" << "Mesh_PolyCut" << "Mesh_VertexCurvature";
    return root;
}

Gui::ToolBarItem* Workbench::setupCommandBars() const
{
    // Mesh tools
    Gui::ToolBarItem* root = new Gui::ToolBarItem;
    Gui::ToolBarItem* mesh;

    mesh = new Gui::ToolBarItem( root );
    mesh->setCommand("Mesh tools");
    *mesh << "Mesh_Import" << "Mesh_Export" << "Mesh_PolyCut";

    mesh = new Gui::ToolBarItem( root );
    mesh->setCommand("Mesh test suite");
    *mesh << "Mesh_Demolding" << "Mesh_Transform" << "Separator" ;

    return root;
}