// *************************************************************************
//
// Copyleft 2004-2007 Bruno PAGES  .
//
// This file is part of the BOUML Uml Toolkit.
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
//
// e-mail : bouml@free.fr
// home   : http://bouml.free.fr
//
// *************************************************************************

#include <qlayout.h>
#include <qlabel.h>
#include <qcheckbox.h> 
#include <qpushbutton.h>
#include <qapplication.h>

#include "SynchroDialog.h"
#include "BrowserView.h"

SynchroDialog::SynchroDialog(QList<BrowserView> & b)
    : QDialog(0, "Synchronize", TRUE), browsers(b) {
  setCaption("Synchronize");
  
  QVBoxLayout * vbox = new QVBoxLayout(this);
  QHBoxLayout * hbox;
  
  vbox->setMargin(5);
  
  bool has_ro = FALSE;
  bool has_ro_need_update = FALSE;
  bool has_need_update = FALSE;
  QListIterator<BrowserView> it(browsers);
  
  for (; it.current(); ++it) {
    if (it.current()->is_need_update()) {
      if (it.current()->is_cant_update()) {
	has_ro = TRUE;
	has_ro_need_update = TRUE;
      }
      else
	has_need_update = TRUE;
    }
  }  

  QLabel * lbl;
  
  if (has_need_update) {
    lbl = 
      new QLabel("\nChoose the projects to synchronize with the others\n", 
		 this);
    
    lbl->setAlignment(::Qt::AlignCenter);
    vbox->addWidget(lbl);
    
    if (has_ro_need_update) {
      lbl = 
	new QLabel("\nWarning : some projects can't be synchronized because of read-only files\n", 
		   this);
      
      lbl->setAlignment(::Qt::AlignCenter);
      vbox->addWidget(lbl);
    }
  }
  else if (has_ro_need_update) {
    lbl = 
      new QLabel("\nSynchronisation not possible because of read-only files\n", 
		 this);
    
    lbl->setAlignment(::Qt::AlignCenter);
    vbox->addWidget(lbl);
  }
  else {
    lbl = 
      new QLabel("\nAll the projects are synchronized\n",
		 this);
    
    lbl->setAlignment(::Qt::AlignCenter);
    vbox->addWidget(lbl);
  }
  
  //
  
  for (it.toFirst() ; it.current(); ++it) {
    if (it.current()->is_need_update()) {
      QCheckBox * cb = new QCheckBox(it.current()->get_dir().path(), this);
      
      vbox->addWidget(cb);
      
      if (it.current()->is_cant_update())
	cb->setEnabled(FALSE);
      else
	checks.append(cb);
    }
  }
  
  //
  
  hbox = new QHBoxLayout(vbox);
  hbox->setMargin(5);

  if (has_need_update) {
    QPushButton * ok = new QPushButton("Synchronize", this);
  
    hbox->addWidget(new QLabel(this));
    hbox->addWidget(ok);
    connect(ok, SIGNAL(clicked()), this, SLOT(accept()));
  }
  
  QPushButton * cancel = new QPushButton("Cancel", this);
  
  hbox->addWidget(new QLabel(this));
  hbox->addWidget(cancel);
  hbox->addWidget(new QLabel(this));
  connect(cancel, SIGNAL(clicked()), this, SLOT(reject()));
}

SynchroDialog::~SynchroDialog() {
}

void SynchroDialog::accept() {
  QListIterator<BrowserView> itprj(browsers);
  QListIterator<QCheckBox> itcb(checks);
  bool work = FALSE;
    
  QApplication::setOverrideCursor(Qt::waitCursor);
  
  for (; itprj.current(); ++itprj) {
    if (itprj.current()->is_need_update() &&
	!itprj.current()->is_cant_update()) {
      if (itcb.current()->isChecked()) {
	itprj.current()->synchronize();
	work = TRUE;
      }
      ++itcb;
    }
  }
  
  QApplication::restoreOverrideCursor();

  if (work)
    QDialog::accept();
}