// *************************************************************************
//
// 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
//
// *************************************************************************

#ifdef WIN32
#pragma warning (disable: 4150)
#endif

#include <qcursor.h>
#include <qlayout.h>
#include <qlabel.h>
#include <qcombobox.h> 
#include <qpushbutton.h>
#include <qvalidator.h>
#include <qapplication.h>

#include "MyInputDialog.h"
#include "DialogUtil.h"
#include "UmlDesktop.h"

QSize MyInputDialog::previous_size;

MyInputDialog::MyInputDialog(const char * title, const QString & msg,
			     const QString & init) 
    : QDialog(0, title, TRUE) {
  setCaption(title);
  move(QCursor::pos());
  
  QVBoxLayout * vbox = new QVBoxLayout(this);  
  QHBoxLayout * hbox;
  
  vbox->setMargin(5);
  
  hbox = new QHBoxLayout(vbox); 
  hbox->setMargin(5);
  hbox->addWidget(new QLabel(msg, this));
  le = new LineEdit(init, this);
  hbox->addWidget(le);
  
  QFontMetrics fm(QApplication::font());

  le->setMinimumWidth(fm.width("AZERTYUIOPQSDFGHJKLMWXCVBN"));
  
  hbox = new QHBoxLayout(vbox); 
  hbox->setMargin(5);
  QPushButton * ok = new QPushButton("&OK", this);
  QPushButton * cancel = new QPushButton("&Cancel", this);
  QSize bs(cancel->sizeHint());
  
  ok->setDefault(TRUE);
  ok->setFixedSize(bs);
  cancel->setFixedSize(bs);
  
  hbox->addWidget(ok);
  hbox->addWidget(cancel);
  
  connect(ok, SIGNAL(clicked()), this, SLOT(accept()));
  connect(cancel, SIGNAL(clicked()), this, SLOT(reject()));
  
  le->setFocus();
}

MyInputDialog::MyInputDialog(const char * title, const QString & msg,
			     const QStringList & list, const QString & init,
			     bool existing) 
    : QDialog(0, title, TRUE), le(0) {
  setCaption(title);
  move(QCursor::pos());
  
  QVBoxLayout * vbox = new QVBoxLayout(this);  
  QHBoxLayout * hbox;
  
  vbox->setMargin(5);
  
  hbox = new QHBoxLayout(vbox); 
  hbox->setMargin(5);
  hbox->addWidget(new QLabel(msg, this));
  cb = new QComboBox(!existing, this);
  if (! existing)
    cb->insertItem(init);
  cb->insertStringList(list);
  if (! existing) {
    cb->setCurrentItem(0);
    cb->setAutoCompletion(TRUE);
  }
  hbox->addWidget(cb);
  
  QSizePolicy sp = cb->sizePolicy();
  
  sp.setHorData(QSizePolicy::Expanding);
  cb->setSizePolicy(sp);
  
  QFontMetrics fm(QApplication::font());

  cb->setMinimumWidth(fm.width("azertyuiopqsdfghjklm"));
  
  hbox = new QHBoxLayout(vbox); 
  hbox->setMargin(5);
  QPushButton * ok = new QPushButton("&OK", this);
  QPushButton * cancel = new QPushButton("&Cancel", this);
  QSize bs(cancel->sizeHint());
  
  ok->setDefault(TRUE);
  ok->setFixedSize(bs);
  cancel->setFixedSize(bs);
  
  hbox->addWidget(ok);
  hbox->addWidget(cancel);
  
  connect(ok, SIGNAL(clicked()), this, SLOT(accept()));
  connect(cancel, SIGNAL(clicked()), this, SLOT(reject()));
  
  cb->setFocus();
}

void MyInputDialog::polish() {
  QDialog::polish();
  UmlDesktop::limitsize_center(this, previous_size, 0.8, 0.8);
}

MyInputDialog::~MyInputDialog() {
  previous_size = size();
}

void MyInputDialog::accept() {
  if ((le == 0) || (le->validator() == 0))
    QDialog::accept();
  else {
    QString s = le->text();
    int p = 0;
    
    if (le->validator()->validate(s, p) == QValidator::Acceptable)
      QDialog::accept();
  }
}
			     
QString MyInputDialog::getText(const char * title, const QString & msg,
			       const QString & init, bool & ok,
			       const QValidator * v)
{
  MyInputDialog d(title, msg, init);
  
  if (v != 0)
    d.le->setValidator(v);
  
  ok = d.exec() == QDialog::Accepted;
  
  return (ok)
    ? d.le->text()
    : QString::null;
}

QString MyInputDialog::getText(const char * title, const QString & msg,
			       const QStringList & list, const QString & init,
			       bool existing, bool & ok)
{
  MyInputDialog d(title, msg, list, init, existing);
  
  ok = d.exec() == QDialog::Accepted;
  
  return (ok)
    ? d.cb->currentText()
    : QString::null;
}