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

**

** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).

** All rights reserved.

** Contact: Nokia Corporation (qt-info@nokia.com)

**

** This file is part of the examples of the Qt Toolkit.

**

** $QT_BEGIN_LICENSE:LGPL$

** Commercial Usage

** Licensees holding valid Qt Commercial licenses may use this file in

** accordance with the Qt Commercial License Agreement provided with the

** Software or, alternatively, in accordance with the terms contained in

** a written agreement between you and Nokia.

**

** GNU Lesser General Public License Usage

** Alternatively, this file may be used under the terms of the GNU Lesser

** General Public License version 2.1 as published by the Free Software

** Foundation and appearing in the file LICENSE.LGPL included in the

** packaging of this file.  Please review the following information to

** ensure the GNU Lesser General Public License version 2.1 requirements

** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.

**

** In addition, as a special exception, Nokia gives you certain additional

** rights.  These rights are described in the Nokia Qt LGPL Exception

** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.

**

** GNU General Public License Usage

** Alternatively, this file may be used under the terms of the GNU

** General Public License version 3.0 as published by the Free Software

** Foundation and appearing in the file LICENSE.GPL included in the

** packaging of this file.  Please review the following information to

** ensure the GNU General Public License version 3.0 requirements will be

** met: http://www.gnu.org/copyleft/gpl.html.

**

** If you have questions regarding the use of this file, please contact

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

/*

    delegate.cpp

    A delegate that allows the user to change integer values from the model

    using a spin box widget.

*/

#include <QtGui>

#include "delegate.h"

//! [0]

SpinBoxDelegate::SpinBoxDelegate(QObject *parent)

    : QItemDelegate(parent)

{

}

//! [0]

void SpinBoxDelegate::setInctance(QString newInctance){

    inctance = newInctance;

}

void SpinBoxDelegate::getItems(){

    QMap <QString, QString> result_map;

    QSqlQuery q;

    QString query_str;

    bool ok;

    if (SpinBoxDelegate::inctance.isEmpty())

    {

        items.clear();

        return;

    }

    query_str = tr("select * from `");

    query_str.append(inctance);

    query_str.append( tr("`"));

    q.prepare(query_str);

    ok = q.exec();

    if (!ok) {

                            /*

                            QString error_str;

                            error_str =  tr("�� ������� �������� ������ �������� �� ������� ");

                            error_str.append(inctance);

                            QMessageBox::critical( // ������ � ���������� �� ������.

                                                                            this,                      // ������������ ������.

                                                                            QObject::tr("Database Error"),   // ���������.

                                                                            q.lastError().text());          // ����� ���������.

                                                                        //    tr("�� ������� �������� ������ �������� �� ������� "));    // ����� ���������.

                            */

                            items.clear();

                            return;

                        }

 //   field_inctance = q.record().indexOf(tr("TableWhithInstance"));

    items.clear();

    while(q.next()){

                  QString ID;

                  QString Name;

                  ID = q.value(0).toString(); // ���������� ID

                  Name = q.value(1).toString(); // ���������� Name

                  items.insert(ID, Name);

                }

 //   return result_map;

}

//! [1]

QWidget *SpinBoxDelegate::createEditor(QWidget *parent,

    const QStyleOptionViewItem &/* option */,

    const QModelIndex &/* index */) const

{

    //QSpinBox *editor = new QSpinBox(parent);

    //editor->setMinimum(0);

    //editor->setMaximum(100);

    QStringList ID_list;

    QStringList Name_list;

  // getItems();

    ID_list = items.keys();

    Name_list = items.values();

    QComboBox *editor = new QComboBox(parent);

/*

    editor->addItem("0");

    editor->addItem("1");

    editor->addItem("2");

    editor->addItem("3");

    editor->addItem("4");

    editor->addItem("5");

    editor->addItem("6");

    editor->addItem("7");

    editor->addItem("8");

    editor->addItem("9");

*/

//  editor->addItem("0");

    editor->addItems(Name_list);

//    editor->setEditable(false);

    return editor;

}

//! [1]

//! [2]

void SpinBoxDelegate::setEditorData(QWidget *editor,

                                    const QModelIndex &index) const

{

   // int value = index.model()->data(index, Qt::EditRole).toInt();

 //   QSpinBox *spinBox = static_cast<QSpinBox*>(editor);

 //   spinBox->setValue(value);

QString value = index.model()->data(index, Qt::EditRole).toString();

QComboBox *comboBox = static_cast<QComboBox*>(editor);

QStringList ID_list;

QStringList Name_list;

int curr_index;

ID_list = items.keys();

Name_list = items.values();

curr_index = ID_list.indexOf(value);

if (curr_index==-1) return;

comboBox->setCurrentIndex(curr_index);

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

if (value == "0") comboBox->setCurrentIndex(0);

if (value == "1") comboBox->setCurrentIndex(1);

if (value == "2") comboBox->setCurrentIndex(2);

if (value == "3") comboBox->setCurrentIndex(3);

if (value == "4") comboBox->setCurrentIndex(4);

if (value == "5") comboBox->setCurrentIndex(5);

if (value == "6") comboBox->setCurrentIndex(6);

if (value == "7") comboBox->setCurrentIndex(7);

if (value == "8") comboBox->setCurrentIndex(8);

if (value == "9") comboBox->setCurrentIndex(9);

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

comboBox->setEditable(false);

//comboBox->setItemText(0, value);

}

//! [2]

//! [3]

void SpinBoxDelegate::setModelData(QWidget *editor, QAbstractItemModel *model,

                                   const QModelIndex &index) const

{

  //  QSpinBox *spinBox = static_cast<QSpinBox*>(editor);

  //  spinBox->interpretText();

  //  int value = spinBox->value();

  //  model->setData(index, value, Qt::EditRole);

    QStringList ID_list;

    QStringList Name_list;

    QComboBox *comboBox = static_cast<QComboBox*>(editor);

    int currIndex;

    currIndex = comboBox->currentIndex();

    if (currIndex==-1) return;

  //  QString value = comboBox->itemText(currIndex);

    ID_list = items.keys();

    Name_list = items.values();

    QString value = ID_list.at(currIndex);

    model->setData(index, value, Qt::EditRole);

}

//! [3]

//! [4]

void SpinBoxDelegate::updateEditorGeometry(QWidget *editor,

    const QStyleOptionViewItem &option, const QModelIndex &/* index */) const

{

    editor->setGeometry(option.rect);

}

//! [0]

FilterSpinBoxDelegate::FilterSpinBoxDelegate(QObject *parent)

    : QItemDelegate(parent)

{

}

//! [0]

void FilterSpinBoxDelegate::setClassID(QString newClassID){

    class_id = newClassID;

}

void FilterSpinBoxDelegate::getItems(){

    QMap <QString, QString> result_map;

    QSqlQuery q;

    QString query_str;

    bool ok;

    if (FilterSpinBoxDelegate::class_id.isEmpty())

    {

        items.clear();

        return;

    }

    query_str = tr("select * from `DescriptionOfClasses` where `ClassIdentifer` = '");

    query_str.append(class_id);

    query_str.append( tr("'"));

    q.prepare(query_str);

    ok = q.exec();

    if (!ok) {

                            /*

                            QString error_str;

                            error_str =  tr("�� ������� �������� ������ �������� �� ������� ");

                            error_str.append(inctance);

                            QMessageBox::critical( // ������ � ���������� �� ������.

                                                                            this,                      // ������������ ������.

                                                                            QObject::tr("Database Error"),   // ���������.

                                                                            q.lastError().text());          // ����� ���������.

                                                                        //    tr("�� ������� �������� ������ �������� �� ������� "));    // ����� ���������.

                            */

                            items.clear();

                            return;

                        }

 //   field_inctance = q.record().indexOf(tr("TableWhithInstance"));

    items.clear();

    while(q.next()){

                  QString ID;

                  QString Name;

                  ID = q.value(0).toString(); // ���������� ID

                  Name = q.value(1).toString(); // ���������� Name

                  items.insert(ID, Name);

                }

 //   return result_map;

}

//! [1]

QWidget *FilterSpinBoxDelegate::createEditor(QWidget *parent,

    const QStyleOptionViewItem &/* option */,

    const QModelIndex &/* index */) const

{

    //QSpinBox *editor = new QSpinBox(parent);

    //editor->setMinimum(0);

    //editor->setMaximum(100);

    QStringList ID_list;

    QStringList Name_list;

  // getItems();

    ID_list = items.keys();

    Name_list = items.values();

    QComboBox *editor = new QComboBox(parent);

/*

    editor->addItem("0");

    editor->addItem("1");

    editor->addItem("2");

    editor->addItem("3");

    editor->addItem("4");

    editor->addItem("5");

    editor->addItem("6");

    editor->addItem("7");

    editor->addItem("8");

    editor->addItem("9");

*/

//  editor->addItem("0");

    editor->addItems(Name_list);

//    editor->setEditable(false);

    return editor;

}

//! [1]

//! [2]

void FilterSpinBoxDelegate::setEditorData(QWidget *editor,

                                    const QModelIndex &index) const

{

   // int value = index.model()->data(index, Qt::EditRole).toInt();

 //   QSpinBox *spinBox = static_cast<QSpinBox*>(editor);

 //   spinBox->setValue(value);

QString value = index.model()->data(index, Qt::EditRole).toString();

QComboBox *comboBox = static_cast<QComboBox*>(editor);

QStringList ID_list;

QStringList Name_list;

int curr_index;

ID_list = items.keys();

Name_list = items.values();

curr_index = ID_list.indexOf(value);

if (curr_index==-1) return;

comboBox->setCurrentIndex(curr_index);

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

if (value == "0") comboBox->setCurrentIndex(0);

if (value == "1") comboBox->setCurrentIndex(1);

if (value == "2") comboBox->setCurrentIndex(2);

if (value == "3") comboBox->setCurrentIndex(3);

if (value == "4") comboBox->setCurrentIndex(4);

if (value == "5") comboBox->setCurrentIndex(5);

if (value == "6") comboBox->setCurrentIndex(6);

if (value == "7") comboBox->setCurrentIndex(7);

if (value == "8") comboBox->setCurrentIndex(8);

if (value == "9") comboBox->setCurrentIndex(9);

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

comboBox->setEditable(false);

//comboBox->setItemText(0, value);

}

//! [2]

//! [3]

void FilterSpinBoxDelegate::setModelData(QWidget *editor, QAbstractItemModel *model,

                                   const QModelIndex &index) const

{

  //  QSpinBox *spinBox = static_cast<QSpinBox*>(editor);

  //  spinBox->interpretText();

  //  int value = spinBox->value();

  //  model->setData(index, value, Qt::EditRole);

    QStringList ID_list;

    QStringList Name_list;

    QComboBox *comboBox = static_cast<QComboBox*>(editor);

    int currIndex;

    currIndex = comboBox->currentIndex();

    if (currIndex==-1) return;

  //  QString value = comboBox->itemText(currIndex);

    ID_list = items.keys();

    Name_list = items.values();

 //   QString value = ID_list.at(currIndex);

    QString value = Name_list.at(currIndex);

    model->setData(index, value, Qt::EditRole);

}

//! [3]

//! [4]

void FilterSpinBoxDelegate::updateEditorGeometry(QWidget *editor,

    const QStyleOptionViewItem &option, const QModelIndex &/* index */) const

{

    editor->setGeometry(option.rect);

}

//! [0]

FilterConditionDelegate::FilterConditionDelegate(QObject *parent)

    : QItemDelegate(parent)

{

}

//! [0]

void FilterConditionDelegate::setClassID(QString newClassID){

    class_id = newClassID;

}

//! [1]

QWidget *FilterConditionDelegate::createEditor(QWidget *parent,

    const QStyleOptionViewItem &/* option */,

    const QModelIndex &/* index */) const

{

    QStringList Name_list;

    Name_list = items;

    QComboBox *editor = new QComboBox(parent);

/*

    editor->addItem("0");

    editor->addItem("1");

    editor->addItem("2");

    editor->addItem("3");

    editor->addItem("4");

    editor->addItem("5");

    editor->addItem("6");

    editor->addItem("7");

    editor->addItem("8");

    editor->addItem("9");

*/

//  editor->addItem("0");

    editor->addItems(Name_list);

//    editor->setEditable(false);

    return editor;

}

//! [1]

//! [2]

void FilterConditionDelegate::setEditorData(QWidget *editor,

                                    const QModelIndex &index) const

{

   // int value = index.model()->data(index, Qt::EditRole).toInt();

 //   QSpinBox *spinBox = static_cast<QSpinBox*>(editor);

 //   spinBox->setValue(value);

QString value = index.model()->data(index, Qt::EditRole).toString();

QComboBox *comboBox = static_cast<QComboBox*>(editor);

//QStringList ID_list;

//QStringList Name_list;

int curr_index;

//ID_list = items.keys();

//Name_list = items.values();

curr_index = items.indexOf(value);

if (curr_index==-1) return;

comboBox->setCurrentIndex(curr_index);

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

if (value == "0") comboBox->setCurrentIndex(0);

if (value == "1") comboBox->setCurrentIndex(1);

if (value == "2") comboBox->setCurrentIndex(2);

if (value == "3") comboBox->setCurrentIndex(3);

if (value == "4") comboBox->setCurrentIndex(4);

if (value == "5") comboBox->setCurrentIndex(5);

if (value == "6") comboBox->setCurrentIndex(6);

if (value == "7") comboBox->setCurrentIndex(7);

if (value == "8") comboBox->setCurrentIndex(8);

if (value == "9") comboBox->setCurrentIndex(9);

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

comboBox->setEditable(false);

//comboBox->setItemText(0, value);

}

//! [2]

//! [3]

void FilterConditionDelegate::setModelData(QWidget *editor, QAbstractItemModel *model,

                                   const QModelIndex &index) const

{

  //  QSpinBox *spinBox = static_cast<QSpinBox*>(editor);

  //  spinBox->interpretText();

  //  int value = spinBox->value();

  //  model->setData(index, value, Qt::EditRole);

    QStringList ID_list;

    QStringList Name_list;

    QComboBox *comboBox = static_cast<QComboBox*>(editor);

    int currIndex;

    currIndex = comboBox->currentIndex();

    if (currIndex==-1) return;

  //  QString value = comboBox->itemText(currIndex);

    // ID_list = items.keys();

    // Name_list = items.values();

 //   QString value = ID_list.at(currIndex);

    QString value = items.at(currIndex);

    model->setData(index, value, Qt::EditRole);

}

//! [3]

//! [4]

void FilterConditionDelegate::updateEditorGeometry(QWidget *editor,

    const QStyleOptionViewItem &option, const QModelIndex &/* index */) const

{

    editor->setGeometry(option.rect);

}

//! [4]

MyDEDelegate::MyDEDelegate(

                       bool calpopup,

                       QObject *parent)

               : QItemDelegate(parent),

                 m_calpopup(calpopup) {

   }

   QWidget *MyDEDelegate::createEditor(

               QWidget *parent,

               const QStyleOptionViewItem& /* option */,

               const QModelIndex& /* index */) const {

       QDateEdit *editor = new QDateEdit(parent);

       editor->setCalendarPopup(m_calpopup);

       editor->installEventFilter(const_cast<MyDEDelegate*>(this));

       return editor;

   }

   void MyDEDelegate::setEditorData(

                   QWidget *editor,

                   const QModelIndex &index) const {

       QDate value = index.model()->data(

               index, Qt::EditRole).toDate();

       QDateEdit *de = static_cast<QDateEdit*>(editor);

       de->setDate(value);

   }

   void MyDEDelegate::setModelData(

               QWidget *editor,

               QAbstractItemModel *model,

               const QModelIndex& index) const {

       QDateEdit *de = static_cast<QDateEdit*>(editor);

       de->interpretText();

       QDate value = de->date();

       model->setData(index, value);

   }

   void MyDEDelegate::updateEditorGeometry(

               QWidget *editor,

               const QStyleOptionViewItem &option,

               const QModelIndex& /* index */) const {

       editor->setGeometry(option.rect);

   }

   CPictureDelegate::CPictureDelegate( QObject * parent ) : QItemDelegate(parent)

   {

   }

   void CPictureDelegate::paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const

   {

           m_pxPicture.fill( QColor(Qt::white) );

           const QAbstractItemModel * model = index.model();

           QString sFileName = model->data( index, Qt::DisplayRole ).toString();

           if ( !sFileName.isEmpty() )

                   m_pxPicture.load( sFileName );

           else {

               //QItemDelegate::paint(painter, option, index);

           return;

           }

           QPalette::ColorGroup cg = (option.state & QStyle::State_Enabled) ?

                                                             ((option.state & QStyle::State_Active) ? QPalette::Normal : QPalette::Inactive ) :

                                                             QPalette::Disabled;

            if (option.state & QStyle::State_Selected)

                    painter->fillRect(option.rect, option.palette.color(cg, QPalette::Highlight));

           int nX = option.rect.x() + ( ( option.rect.width() - m_pxPicture.rect().width() ) / 2 );

           int nY = option.rect.y() + ( ( option.rect.height() - m_pxPicture.rect().height() ) / 2 );

           painter->drawPixmap( nX, nY, m_pxPicture );

       ////    drawFocus(painter, option, option.rect.adjusted(0, 0, -1, -1)); // since we draw the grid ourselves

           /*

           QPen pen = painter->pen();

           painter->setPen(option.palette.color(QPalette::Mid));

           painter->drawLine(option.rect.bottomLeft(), option.rect.bottomRight());

           painter->drawLine(option.rect.topRight(), option.rect.bottomRight());

           painter->setPen(pen);

   */

   }

   void TimeEditDelegate::paint(QPainter *painter, const QStyleOptionViewItem &option,

                            const QModelIndex &index) const

   {

       int datetime = index.model()->data(index, Qt::DisplayRole).toInt();

       QString indexvalue = "";

       if (datetime > 0)

       {

           QDateTime dateTime2 = QDateTime();

           dateTime2.setTime_t(datetime);

           indexvalue = dateTime2.toString(this->timeformat);

       }

       else

       {

           indexvalue = tr("Date not set");

       }

       Q_ASSERT(index.isValid());

       QStyleOptionViewItemV3 opt = setOptions(index, option);

       const QStyleOptionViewItemV2 *v2 = qstyleoption_cast<const QStyleOptionViewItemV2 *>(&option);

       opt.features = v2 ? v2->features

                       : QStyleOptionViewItemV2::ViewItemFeatures(QStyleOptionViewItemV2::None);

       const QStyleOptionViewItemV3 *v3 = qstyleoption_cast<const QStyleOptionViewItemV3 *>(&option);

       opt.locale = v3 ? v3->locale : QLocale();

       opt.widget = v3 ? v3->widget : 0;

       // prepare

       painter->save();

       painter->setClipRect(opt.rect);

       // get the data and the rectangles

       QVariant value;

       QPixmap pixmap;

       QRect decorationRect;

       value = index.data(Qt::DecorationRole);

       QString text;

       QRect displayRect;

       value = index.data(Qt::DisplayRole);

       if (value.isValid()) {

           text = indexvalue;

           displayRect = textRectangle(painter, option.rect, opt.font, text);

       }

       QRect checkRect;

       Qt::CheckState checkState = Qt::Unchecked;

       value = index.data(Qt::CheckStateRole);

       if (value.isValid()) {

           checkState = static_cast<Qt::CheckState>(value.toInt());

           checkRect = check(opt, opt.rect, value);

       }

       // do the layout

       doLayout(opt, &checkRect, &decorationRect, &displayRect, false);

       // draw the item

       drawBackground(painter, opt, index);

       drawCheck(painter, opt, checkRect, checkState);

       drawDecoration(painter, opt, decorationRect, pixmap);

       drawDisplay(painter, opt, displayRect, text);

       drawFocus(painter, opt, displayRect);

       // done

       painter->restore();

   }

   IconDelegate::IconDelegate( QObject * parent ) : QItemDelegate(parent)

   {

   }

   QWidget *IconDelegate::createEditor(QWidget *parent,

       const QStyleOptionViewItem &/* option */,

       const QModelIndex & /* index */) const

   {

       IconForm *editor = new IconForm(parent);

       return editor;

   }

   void IconDelegate::setEditorData(QWidget *editor,

                                       const QModelIndex &index) const

   {

       const QAbstractItemModel * model = index.model();

       IconForm *icnFrm = static_cast<IconForm*>(editor);

       QVariant currentImage = model->data(index,0);

       QByteArray bytes = currentImage.toByteArray();

       if (currentImage.isValid()) {

            m_pxPicture.loadFromData(bytes);

       }

       else {

           //QItemDelegate::paint(painter, option, index);

           return;

       }

       icnFrm->setPixmap(m_pxPicture);

     //  tblView->setRowHeight(index.row(), icnFrm->geometry().height());

   }

   void IconDelegate::setModelData(

               QWidget *editor,

               QAbstractItemModel *model,

               const QModelIndex& index) const {

       IconForm *icnFrm = static_cast<IconForm*>(editor);

       if (!(icnFrm->dataIsChanged())) return;

       m_pxPicture = icnFrm->pixmap();

       QImage currentImage = m_pxPicture.toImage();

          QByteArray bytes;

          QBuffer buffer(&bytes);

          buffer.open(QIODevice::WriteOnly);

          currentImage.save(&buffer, "PNG");

         model->setData(index, QVariant (bytes), Qt::EditRole);

     //    int widht = m_pxPicture.width();

     //    int heigh =  m_pxPicture.height();

     //    tblView->setRowHeight(index.row(), heigh + 10);

         // model->submitAll();

      // model->setData(index, value);

   }

   void IconDelegate::updateEditorGeometry(

               QWidget *editor,

               const QStyleOptionViewItem &option,

               const QModelIndex& /* index */) const {

   //    QRect r(option.rect.x() + option.rect.width()/2 - 7, option.rect.y() + option.rect.height()/2 - 7, 150, 100);

     //      editor->setGeometry(r);

        editor->setGeometry(option.rect);

   }

   void IconDelegate::paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const

   {

          m_pxPicture.fill( QColor(Qt::white) );

          const QAbstractItemModel * model = index.model();

          QString sFileName = model->data( index, Qt::DisplayRole ).toString();

          QVariant currentImage = model->data(index,0);

           QByteArray bytes = currentImage.toByteArray();

     //       QImage image;

     //       image.loadFromData(bytes);