// @(#)root/qtgsi:$Name:  $:$Id: TQRootDialog.cxx,v 1.4 2006/04/13 09:46:06 brun Exp $
// Author: Denis Bertini, M. Al-Turany  01/11/2000

/*************************************************************************
 * Copyright (C) 1995-2006, Rene Brun and Fons Rademakers.               *
 * All rights reserved.                                                  *
 *                                                                       *
 * For the licensing terms see $ROOTSYS/LICENSE.                         *
 * For the list of contributors see $ROOTSYS/README/CREDITS.             *
 *************************************************************************/

#include "qevent.h"
#include "qdialog.h"
#include "qpushbutton.h"
#include "qlabel.h"
#include "qobject.h"
#include "qlineedit.h"

#include "TQRootDialog.h"
#include "TMethod.h"
#include "TCanvas.h"
#include "TROOT.h"
#include "TObjString.h"

ClassImp(TQRootDialog)

//______________________________________________________________________________
TQRootDialog::TQRootDialog(QWidget *parent, const char *name, WFlags f,
                         TObject* obj, TMethod *method ) :
   QVBox(parent,name, f | WType_Modal | WStyle_Dialog   ),
   fLineEdit(0),
   fParent(parent)
{
   // ctor
   fCurObj=obj;
   fCurMethod=method;
   setSizePolicy(QSizePolicy(QSizePolicy::Expanding,
                            QSizePolicy::Expanding));
   fArgBox = new QVBox(this, "args");
   fArgBox->setSizePolicy(QSizePolicy(QSizePolicy::Expanding,
                 QSizePolicy::Expanding));
   QHBox *hbox = new QHBox(this,"buttons");
   QPushButton *bOk = new QPushButton("Apply",hbox,"Apply");
   QPushButton *bCancel = new QPushButton("Cancel",hbox,"Close");
   connect(bCancel,SIGNAL (clicked()), this, SLOT(close()));
   connect(bOk,SIGNAL( clicked() ), this, SLOT( ExecuteMethod() ));
}

//______________________________________________________________________________
void TQRootDialog::ExecuteMethod()
{
   // Execute ROOT methods.

   Bool_t deletion = kFALSE;
   TVirtualPad *psave =  gROOT->GetSelectedPad();

   //if (fCurObj)
   TObjArray tobjlist(fCurMethod->GetListOfMethodArgs()->LastIndex()+1);
   for ( QLineEdit* st = fList.first(); st; st = fList.next()) {
      QString s = st->text();
      TObjString *t = new TObjString( (const char*) s );
      tobjlist.AddLast((TObject*) t) ;
   }
   // handle command if existing object
   if ( fCurObj ) {
      if( strcmp(fCurMethod->GetName(),"Delete") == 0  ) {
         if (fCurObj) {
            delete fCurObj;
            fCurObj=0;
            deletion = kTRUE;
         }
      }
      else if (  strcmp(fCurMethod->GetName(),"SetCanvasSize") == 0 ) {
         int value[2];
         int l=0;
         for ( QLineEdit* st = fList.first(); st; st = fList.next()) {
            QString s = st->text();
            value[l++] = atoi ( s );
         }
         fParent->resize(value[0],value[1]);
      }
      else {
         // here call cint call
         fCurObj->Execute( fCurMethod, &tobjlist);
      }
   } // ! fCurrent Obj

   if (!deletion ) {
      gROOT->SetSelectedPad(psave);
      gROOT->GetSelectedPad()->Modified();
      gROOT->GetSelectedPad()->Update();
   }
   else {
      gROOT->SetSelectedPad( gPad );
      gROOT->GetSelectedPad()->Update();
   }
}

//______________________________________________________________________________
TQRootDialog::~TQRootDialog()
{
   // dtor

   if (fArgBox) delete fArgBox;
   if (fLineEdit) delete fLineEdit;
   fList.remove();
}

//______________________________________________________________________________
void TQRootDialog::Add(const char* argname, const char* value, const char* /*type*/)
{
   // Add widgets for arguments.

   QString s;
   s = value;
   new QLabel(argname,fArgBox);
   QLineEdit* fLineEdit = new  QLineEdit(fArgBox);
   fLineEdit->setGeometry(10,10, 130, 30);
   fLineEdit->setFocus();
   fLineEdit->setText(s);
   fList.append( fLineEdit );
}

//______________________________________________________________________________
void TQRootDialog::Popup()
{
   // Show the dialog.

   show();
}

//______________________________________________________________________________
void TQRootDialog::closeEvent( QCloseEvent* ce )
{
   // Handle close event.

   ce->accept();
}