//  Copyright (C) 2007-2010  CEA/DEN, EDF R&D, OPEN CASCADE
//
//  Copyright (C) 2003-2007  OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
//  CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
//
//  This library is free software; you can redistribute it and/or
//  modify it under the terms of the GNU Lesser General Public
//  License as published by the Free Software Foundation; either
//  version 2.1 of the License.
//
//  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
//  Lesser General Public License for more details.
//
//  You should have received a copy of the GNU Lesser General Public
//  License along with this library; if not, write to the Free Software
//  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
//
//  See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
//

// GEOM GEOMGUI : GUI for Geometry component
// File   : GenerationGUI_PrismDlg.cxx
// Author : Lucien PIGNOLONI, Open CASCADE S.A.S.
//
#include "GenerationGUI_PrismDlg.h"

#include <DlgRef.h>
#include <GeometryGUI.h>
#include <GEOMBase.h>

#include <SUIT_Session.h>
#include <SUIT_ResourceMgr.h>
#include <SalomeApp_Application.h>
#include <LightApp_SelectionMgr.h>

// OCCT Includes
#include <TopoDS_Shape.hxx>
#include <TopoDS_Edge.hxx>
#include <TopoDS.hxx>
#include <TopExp.hxx>
#include <TColStd_IndexedMapOfInteger.hxx>
#include <TopTools_IndexedMapOfShape.hxx>

#include <GEOMImpl_Types.hxx>

//=================================================================================
// class    : GenerationGUI_PrismDlg()
// purpose  : Constructs a GenerationGUI_PrismDlg which is a child of 'parent', with the
//            name 'name' and widget flags set to 'f'.
//            The dialog will by default be modeless, unless you set 'modal' to
//            TRUE to construct a modal dialog.
//=================================================================================
GenerationGUI_PrismDlg::GenerationGUI_PrismDlg (GeometryGUI* theGeometryGUI, QWidget* parent,
                                                bool modal, Qt::WindowFlags fl)
  : GEOMBase_Skeleton(theGeometryGUI, parent, modal, fl)
{
  SUIT_ResourceMgr* aResMgr = SUIT_Session::session()->resourceMgr();
  QPixmap image0 (aResMgr->loadPixmap("GEOM", tr("ICON_DLG_PRISM")));
  QPixmap image1 (aResMgr->loadPixmap("GEOM", tr("ICON_SELECT")));
  QPixmap image2 (aResMgr->loadPixmap("GEOM", tr("ICON_DLG_PRISM_2P")));
  QPixmap image3 (aResMgr->loadPixmap("GEOM", tr("ICON_DLG_PRISM_DXDYDZ")));

  setWindowTitle(tr("GEOM_EXTRUSION_TITLE"));

  /***************************************************************/
  mainFrame()->GroupConstructors->setTitle(tr("GEOM_EXTRUSION"));
  mainFrame()->RadioButton1->setIcon(image0);
  mainFrame()->RadioButton2->setIcon(image2);
  mainFrame()->RadioButton3->setIcon(image3);

  mainFrame()->RadioButton1->setChecked(true);

  GroupPoints = new DlgRef_2Sel1Spin2Check(centralWidget());
  GroupPoints->GroupBox1->setTitle(tr("GEOM_EXTRUSION_BSV"));
  GroupPoints->TextLabel1->setText(tr("GEOM_BASE"));
  GroupPoints->TextLabel2->setText(tr("GEOM_VECTOR"));
  GroupPoints->TextLabel3->setText(tr("GEOM_HEIGHT"));
  GroupPoints->PushButton1->setIcon(image1);
  GroupPoints->PushButton2->setIcon(image1);
  GroupPoints->LineEdit1->setReadOnly(true);
  GroupPoints->LineEdit2->setReadOnly(true);
  GroupPoints->CheckButton1->setText(tr("GEOM_BOTHWAY"));
  GroupPoints->CheckButton2->setText(tr("GEOM_REVERSE"));

  GroupPoints2 = new DlgRef_3Sel1Check(centralWidget());
  GroupPoints2->GroupBox1->setTitle(tr("GEOM_EXTRUSION_BSV_2P"));
  GroupPoints2->TextLabel1->setText(tr("GEOM_BASE"));
  GroupPoints2->TextLabel2->setText(tr("GEOM_POINT_I").arg(1));
  GroupPoints2->TextLabel3->setText(tr("GEOM_POINT_I").arg(2));
  GroupPoints2->PushButton1->setIcon(image1);
  GroupPoints2->PushButton2->setIcon(image1);
  GroupPoints2->PushButton3->setIcon(image1);
  GroupPoints2->CheckButton1->setText(tr("GEOM_BOTHWAY"));

  GroupPoints3 = new DlgRef_1Sel3Spin1Check(centralWidget());
  GroupPoints3->GroupBox1->setTitle(tr("GEOM_EXTRUSION_DXDYDZ"));
  GroupPoints3->TextLabel1->setText(tr("GEOM_BASE"));
  GroupPoints3->PushButton1->setIcon(image1);
  GroupPoints3->TextLabel2->setText(tr("GEOM_DX"));
  GroupPoints3->TextLabel3->setText(tr("GEOM_DY"));
  GroupPoints3->TextLabel4->setText(tr("GEOM_DZ"));
  GroupPoints3->CheckButton1->setText(tr("GEOM_BOTHWAY"));

  QVBoxLayout* layout = new QVBoxLayout(centralWidget());
  layout->setMargin(0); layout->setSpacing(6);
  layout->addWidget(GroupPoints);
  layout->addWidget(GroupPoints2);
  layout->addWidget(GroupPoints3);
  /***************************************************************/

  setHelpFileName("create_extrusion_page.html");

  Init();
}

//=================================================================================
// function : ~GenerationGUI_PrismDlg()
// purpose  : Destroys the object and frees any allocated resources
//=================================================================================
GenerationGUI_PrismDlg::~GenerationGUI_PrismDlg()
{
  // no need to delete child widgets, Qt does it all for us
}

//=================================================================================
// function : Init()
// purpose  :
//=================================================================================
void GenerationGUI_PrismDlg::Init()
{
  // Get setting of step value from file configuration
  SUIT_ResourceMgr* resMgr = SUIT_Session::session()->resourceMgr();
  double step = resMgr->doubleValue("Geometry", "SettingsGeomStep", 100);

  // min, max, step and decimals for spin boxes & initial values
  initSpinBox(GroupPoints3->SpinBox_DX, COORD_MIN, COORD_MAX, step, "length_precision" );
  initSpinBox(GroupPoints3->SpinBox_DY, COORD_MIN, COORD_MAX, step, "length_precision" );
  initSpinBox(GroupPoints3->SpinBox_DZ, COORD_MIN, COORD_MAX, step, "length_precision" );
  GroupPoints3->SpinBox_DX->setValue(0.0);
  GroupPoints3->SpinBox_DY->setValue(0.0);
  GroupPoints3->SpinBox_DZ->setValue(0.0);

  initSpinBox(GroupPoints->SpinBox_DX, COORD_MIN, COORD_MAX, step, "length_precision" );
  GroupPoints->SpinBox_DX->setValue(100.0);

  // init variables
  myEditCurrentArgument = GroupPoints->LineEdit1;
  GroupPoints->LineEdit1->setReadOnly(true);
  GroupPoints->LineEdit2->setReadOnly(true);

  GroupPoints2->LineEdit1->setReadOnly(true);
  GroupPoints2->LineEdit2->setReadOnly(true);
  GroupPoints2->LineEdit3->setReadOnly(true);

  GroupPoints3->LineEdit1->setReadOnly(true);

  GroupPoints->LineEdit1->setText("");
  GroupPoints->LineEdit2->setText("");

  GroupPoints2->LineEdit1->setText("");
  GroupPoints2->LineEdit2->setText("");
  GroupPoints2->LineEdit3->setText("");

  GroupPoints3->LineEdit1->setText("");

  myBaseObjects.clear();
  myPoint1.nullify();
  myPoint2.nullify();
  myVec.nullify();

  // signals and slots connections
  connect(buttonOk(),    SIGNAL(clicked()), this, SLOT(ClickOnOk()));
  connect(buttonApply(), SIGNAL(clicked()), this, SLOT(ClickOnApply()));

  connect(this,          SIGNAL(constructorsClicked(int)), this, SLOT(ConstructorsClicked(int)));

  connect(GroupPoints->PushButton1, SIGNAL(clicked()), this, SLOT(SetEditCurrentArgument()));
  connect(GroupPoints->PushButton2, SIGNAL(clicked()), this, SLOT(SetEditCurrentArgument()));

  connect(GroupPoints->SpinBox_DX, SIGNAL(valueChanged(double)),    this, SLOT(ValueChangedInSpinBox()));
  connect(myGeomGUI, SIGNAL(SignalDefaultStepValueChanged(double)), this, SLOT(SetDoubleSpinBoxStep(double)));

  connect(GroupPoints->CheckButton1,  SIGNAL(toggled(bool)), this, SLOT(onBothway()));
  connect(GroupPoints->CheckButton2,  SIGNAL(toggled(bool)), this, SLOT(onReverse()));

  connect(GroupPoints2->PushButton1,  SIGNAL(clicked()),       this, SLOT(SetEditCurrentArgument()));
  connect(GroupPoints2->PushButton2,  SIGNAL(clicked()),       this, SLOT(SetEditCurrentArgument()));
  connect(GroupPoints2->PushButton3,  SIGNAL(clicked()),       this, SLOT(SetEditCurrentArgument()));
  connect(GroupPoints2->CheckButton1, SIGNAL(toggled(bool)),   this, SLOT(onBothway()));

  connect(GroupPoints3->PushButton1,  SIGNAL(clicked()),            this, SLOT(SetEditCurrentArgument()));
  connect(GroupPoints3->SpinBox_DX,   SIGNAL(valueChanged(double)), this, SLOT(ValueChangedInSpinBox()));
  connect(GroupPoints3->SpinBox_DY,   SIGNAL(valueChanged(double)), this, SLOT(ValueChangedInSpinBox()));
  connect(GroupPoints3->SpinBox_DZ,   SIGNAL(valueChanged(double)), this, SLOT(ValueChangedInSpinBox()));
  connect(GroupPoints3->CheckButton1, SIGNAL(toggled(bool)),        this, SLOT(onBothway()));

  initName(tr("GEOM_EXTRUSION"));

  ConstructorsClicked(0);
}

//=================================================================================
// function : SetDoubleSpinBoxStep()
// purpose  : Double spin box management
//=================================================================================
void GenerationGUI_PrismDlg::SetDoubleSpinBoxStep (double step)
{
  GroupPoints->SpinBox_DX->setSingleStep(step);
  GroupPoints3->SpinBox_DX->setSingleStep(step);
  GroupPoints3->SpinBox_DY->setSingleStep(step);
  GroupPoints3->SpinBox_DZ->setSingleStep(step);
}

//=================================================================================
// function : ConstructorsClicked()
// purpose  : Radio button management
//=================================================================================
void GenerationGUI_PrismDlg::ConstructorsClicked (int constructorId)
{
  switch (constructorId) {
  case 0:
    GroupPoints2->hide();
    GroupPoints3->hide();
    GroupPoints->show();
    
    GroupPoints->LineEdit2->setText("");
    myVec.nullify();
    
    GroupPoints->PushButton1->click();
    break;
  case 1:
    GroupPoints->hide();
    GroupPoints2->show();
    GroupPoints3->hide();
    
    GroupPoints2->LineEdit2->setText("");
    GroupPoints2->LineEdit3->setText("");
    myPoint1.nullify();
    myPoint2.nullify();
    
    GroupPoints2->PushButton1->click();
    break;
  case 2:
    GroupPoints->hide();
    GroupPoints2->hide();
    GroupPoints3->show();
    
    GroupPoints3->PushButton1->click();
    break;
  default:
    break;
  }

  qApp->processEvents();
  updateGeometry();
  resize(minimumSizeHint());

  SelectionIntoArgument();
  displayPreview();
}

//=================================================================================
// function : ClickOnOk()
// purpose  :
//=================================================================================
void GenerationGUI_PrismDlg::ClickOnOk()
{
  if (ClickOnApply())
    ClickOnCancel();
}

//=================================================================================
// function : ClickOnApply()
// purpose  :
//=================================================================================
bool GenerationGUI_PrismDlg::ClickOnApply()
{
  if (!onAccept())
    return false;

  initName();
  // activate selection and connect selection manager
  ConstructorsClicked(getConstructorId());
  return true;
}

//=================================================================================
// function : SelectionIntoArgument()
// purpose  : Called when selection is changed or on dialog initialization or activation
//=================================================================================
void GenerationGUI_PrismDlg::SelectionIntoArgument()
{
  erasePreview();
  myEditCurrentArgument->setText("");

  if ( myEditCurrentArgument == GroupPoints->LineEdit1  ||
       myEditCurrentArgument == GroupPoints2->LineEdit1 ||
       myEditCurrentArgument == GroupPoints3->LineEdit1 ) {
    myBaseObjects.clear();
    QList<GEOM::GeomObjPtr> objects = getSelected( TopAbs_SHAPE, -1 );
    for ( int i = 0; i < objects.count(); i++ ) {
      GEOM::shape_type stype = objects[i]->GetMaxShapeType();
      if ( stype < GEOM::SHELL || stype > GEOM::VERTEX )
	continue;
      myBaseObjects << objects[i];
    }
    if ( !myBaseObjects.isEmpty() ) {
      QString aName = myBaseObjects.count() > 1 ? QString( "%1_objects").arg( myBaseObjects.count() ) : GEOMBase::GetName( myBaseObjects[0].get() );
      GroupPoints->LineEdit1->setText( aName );
      GroupPoints2->LineEdit1->setText( aName );
      GroupPoints3->LineEdit1->setText( aName );
    }
    else {
      GroupPoints->LineEdit1->setText( "" );
      GroupPoints2->LineEdit1->setText( "" );
      GroupPoints3->LineEdit1->setText( "" );
    }
  }
  else if ( myEditCurrentArgument == GroupPoints->LineEdit2 ) {
    myVec = getSelected( TopAbs_EDGE );
    if ( myVec ) {
      QString aName = GEOMBase::GetName( myVec.get() );
      myEditCurrentArgument->setText( aName );
      if ( myBaseObjects.isEmpty() )
	GroupPoints->PushButton1->click();
    }
  }
  if ( myEditCurrentArgument == GroupPoints2->LineEdit2 ) {
    myPoint1 = getSelected( TopAbs_VERTEX );
    if ( myPoint1 ) {
      QString aName = GEOMBase::GetName( myPoint1.get() );
      myEditCurrentArgument->setText( aName );
      if ( !myPoint2 )
	GroupPoints2->PushButton3->click();
      else if ( myBaseObjects.isEmpty() )
	GroupPoints2->PushButton1->click();
    }
  }
  if ( myEditCurrentArgument == GroupPoints2->LineEdit3 ) {
    myPoint2 = getSelected( TopAbs_VERTEX );
    if ( myPoint2 ) {
      QString aName = GEOMBase::GetName( myPoint2.get() );
      myEditCurrentArgument->setText( aName );
      if ( myBaseObjects.isEmpty() )
	GroupPoints2->PushButton1->click();
      else if ( !myPoint1 )
	GroupPoints2->PushButton2->click();
    }
  }

  displayPreview();
}

//=================================================================================
// function : SetEditCurrentArgument()
// purpose  :
//=================================================================================
void GenerationGUI_PrismDlg::SetEditCurrentArgument()
{
  QPushButton* send = (QPushButton*)sender();

  disconnect(myGeomGUI->getApp()->selectionMgr(), 0, this, 0);
  globalSelection(GEOM_ALLSHAPES);
  if (send == GroupPoints->PushButton1) {
    myEditCurrentArgument = GroupPoints->LineEdit1;
    GroupPoints->PushButton2->setDown(false);
    GroupPoints->LineEdit2->setEnabled(false);
  }
  else if (send == GroupPoints->PushButton2) {
    myEditCurrentArgument = GroupPoints->LineEdit2;
    GroupPoints->PushButton1->setDown(false);
    GroupPoints->LineEdit1->setEnabled(false);
    localSelection(GEOM::GEOM_Object::_nil(), TopAbs_EDGE);
  }
  else if (send == GroupPoints2->PushButton1) {
    myEditCurrentArgument = GroupPoints2->LineEdit1;
    GroupPoints2->PushButton2->setDown(false);
    GroupPoints2->PushButton3->setDown(false);
    GroupPoints2->LineEdit2->setEnabled(false);
    GroupPoints2->LineEdit3->setEnabled(false);
  }
  else if (send == GroupPoints2->PushButton2) {
    myEditCurrentArgument = GroupPoints2->LineEdit2;
    GroupPoints2->PushButton1->setDown(false);
    GroupPoints2->PushButton3->setDown(false);
    GroupPoints2->LineEdit1->setEnabled(false);
    GroupPoints2->LineEdit3->setEnabled(false);
    localSelection(GEOM::GEOM_Object::_nil(), TopAbs_VERTEX);
  }
  else if (send == GroupPoints2->PushButton3) {
    myEditCurrentArgument = GroupPoints2->LineEdit3;
    GroupPoints2->PushButton1->setDown(false);
    GroupPoints2->PushButton2->setDown(false);
    GroupPoints2->LineEdit1->setEnabled(false);
    GroupPoints2->LineEdit2->setEnabled(false);
    localSelection(GEOM::GEOM_Object::_nil(), TopAbs_VERTEX);
  }
  else   if (send == GroupPoints3->PushButton1) {
    myEditCurrentArgument = GroupPoints3->LineEdit1;
  }
  connect(myGeomGUI->getApp()->selectionMgr(), SIGNAL(currentSelectionChanged()),
          this, SLOT(SelectionIntoArgument()));

  // enable line edit
  myEditCurrentArgument->setEnabled(true);
  myEditCurrentArgument->setFocus();
  // after setFocus(), because it will be setDown(false) when loses focus
  send->setDown(true);

  // seems we need it only to avoid preview disappearing, caused by selection mode change
  displayPreview();
}

//=================================================================================
// function : ActivateThisDialog()
// purpose  :
//=================================================================================
void GenerationGUI_PrismDlg::ActivateThisDialog()
{
  GEOMBase_Skeleton::ActivateThisDialog();

  connect( myGeomGUI->getApp()->selectionMgr(), SIGNAL( currentSelectionChanged() ),
           this, SLOT( SelectionIntoArgument() ) );

  ConstructorsClicked( getConstructorId() );
}

//=================================================================================
// function : enterEvent()
// purpose  : when mouse enter onto the QWidget
//=================================================================================
void GenerationGUI_PrismDlg::enterEvent (QEvent*)
{
  if (!mainFrame()->GroupConstructors->isEnabled())
    ActivateThisDialog();
}

//=================================================================================
// function : ValueChangedInSpinBox()
// purpose  :
//=================================================================================
void GenerationGUI_PrismDlg::ValueChangedInSpinBox()
{
  displayPreview();
}

//=================================================================================
// function : getHeight()
// purpose  :
//=================================================================================
double GenerationGUI_PrismDlg::getHeight() const
{
  return GroupPoints->SpinBox_DX->value();
}

//=================================================================================
// function : createOperation
// purpose  :
//=================================================================================
GEOM::GEOM_IOperations_ptr GenerationGUI_PrismDlg::createOperation()
{
  return getGeomEngine()->GetI3DPrimOperations(getStudyId());
}

//=================================================================================
// function : isValid
// purpose  :
//=================================================================================
bool GenerationGUI_PrismDlg::isValid (QString& msg)
{
  bool ok = false;
  switch ( getConstructorId() ) {
  case 0:
    ok = GroupPoints->SpinBox_DX->isValid( msg, !IsPreview() ) &&
         !myBaseObjects.isEmpty() && myVec;
    break;
  case 1:
    ok = !myBaseObjects.isEmpty() && myPoint1 && myPoint2;
    break;
  case 2:
    ok = GroupPoints3->SpinBox_DX->isValid( msg, !IsPreview() ) &&
         GroupPoints3->SpinBox_DY->isValid( msg, !IsPreview() ) &&
         GroupPoints3->SpinBox_DZ->isValid( msg, !IsPreview() ) &&
         !myBaseObjects.isEmpty();
    break;
  default:
    break;
  }

  return ok;
}

//=================================================================================
// function : execute
// purpose  :
//=================================================================================
bool GenerationGUI_PrismDlg::execute (ObjectList& objects)
{
  QStringList aParameters;
  GEOM::GEOM_Object_var anObj;

  GEOM::GEOM_I3DPrimOperations_var anOper = GEOM::GEOM_I3DPrimOperations::_narrow(getOperation());

  for (int i = 0; i < myBaseObjects.count(); i++) {
    switch (getConstructorId()) {
    case 0:
      if (!GroupPoints->CheckButton1->isChecked())
        anObj = anOper->MakePrismVecH(myBaseObjects[i].get(), myVec.get(), getHeight());
      else
        anObj = anOper->MakePrismVecH2Ways(myBaseObjects[i].get(), myVec.get(), getHeight());
      
      if (!anObj->_is_nil() && !IsPreview()) {
        aParameters << GroupPoints->SpinBox_DX->text();
        anObj->SetParameters(aParameters.join(":").toLatin1().constData());
      }
      break;
    case 1:
      if (!GroupPoints2->CheckButton1->isChecked())
        anObj = anOper->MakePrismTwoPnt(myBaseObjects[i].get(), myPoint1.get(), myPoint2.get());
      else
        anObj = anOper->MakePrismTwoPnt2Ways(myBaseObjects[i].get(), myPoint1.get(), myPoint2.get());
      break;
    case 2:
      double dx = GroupPoints3->SpinBox_DX->value();
      double dy = GroupPoints3->SpinBox_DY->value();
      double dz = GroupPoints3->SpinBox_DZ->value();
      
      if (!GroupPoints3->CheckButton1->isChecked())
        anObj = anOper->MakePrismDXDYDZ(myBaseObjects[i].get(), dx, dy, dz);
      else
        anObj = anOper->MakePrismDXDYDZ2Ways(myBaseObjects[i].get(), dx, dy, dz);
      
      if (!anObj->_is_nil() && !IsPreview()) {
        aParameters << GroupPoints3->SpinBox_DX->text();
        aParameters << GroupPoints3->SpinBox_DY->text();
        aParameters << GroupPoints3->SpinBox_DZ->text();
        anObj->SetParameters(aParameters.join(":").toLatin1().constData());
      }
      break;
    }
    
    if (!anObj->_is_nil())
      objects.push_back(anObj._retn());
  }
  
  return true;
}

//=================================================================================
// function : onReverse()
// purpose  :
//=================================================================================
void GenerationGUI_PrismDlg::onReverse()
{
  double anOldValue = GroupPoints->SpinBox_DX->value();
  GroupPoints->SpinBox_DX->setValue(-anOldValue);
}

//=================================================================================
// function : onBothway()
// purpose  :
//=================================================================================
void GenerationGUI_PrismDlg::onBothway()
{
  GroupPoints->CheckButton2->setEnabled(!GroupPoints->CheckButton1->isChecked());
  displayPreview();
}

//=================================================================================
// function : addSubshapeToStudy
// purpose  : virtual method to add new SubObjects if local selection
//=================================================================================
void GenerationGUI_PrismDlg::addSubshapesToStudy()
{
  switch (getConstructorId()) {
  case 0:
    GEOMBase::PublishSubObject( myVec.get() );
    break;
  case 1:
    GEOMBase::PublishSubObject( myPoint1.get() );
    GEOMBase::PublishSubObject( myPoint2.get() );
    break;
  default:
    break;
  }
}

//=================================================================================
// function : extractPrefix
// purpose  : redefined from GEOMBase_Helper class
//=================================================================================
bool GenerationGUI_PrismDlg::extractPrefix() const
{
  return myBaseObjects.count() > 1;
}