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123 pingvin 1
 
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/****************************************************************************
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**
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the examples of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial Usage
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** Licensees holding valid Qt Commercial licenses may use this file in
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** accordance with the Qt Commercial License Agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Nokia.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file.  Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights.  These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file.  Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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/*
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    delegate.cpp
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    A delegate that allows the user to change integer values from the model
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    using a spin box widget.
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*/
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#include <QtGui>
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#include "delegate.h"
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//! [0]
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SpinBoxDelegate::SpinBoxDelegate(QObject *parent)
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    : QItemDelegate(parent)
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{
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}
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//! [0]
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void SpinBoxDelegate::setInctance(QString newInctance){
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    inctance = newInctance;
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}
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void SpinBoxDelegate::getItems(){
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    QMap <QString, QString> result_map;
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    QSqlQuery q;
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    QString query_str;
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    bool ok;
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    if (SpinBoxDelegate::inctance.isEmpty())
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    {
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        items.clear();
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        return;
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    }
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    query_str = tr("select * from `");
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    query_str.append(inctance);
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    query_str.append( tr("`"));
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    q.prepare(query_str);
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    ok = q.exec();
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    if (!ok) {
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                            /*
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                            QString error_str;
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                            error_str =  tr("       ");
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                            error_str.append(inctance);
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                            QMessageBox::critical( //     .
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                                                                            this,                      //  .
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                                                                            QObject::tr("Database Error"),   // .
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                                                                            q.lastError().text());          //  .
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                                                                        //    tr("       "));    //  .
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                            */
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                            items.clear();
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                            return;
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                        }
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 //   field_inctance = q.record().indexOf(tr("TableWhithInstance"));
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    while(q.next()){
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                  QString ID;
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                  QString Name;
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                  ID = q.value(0).toString(); //  ID
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                  Name = q.value(1).toString(); //  Name
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                  items.insert(ID, Name);
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                }
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 //   return result_map;
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}
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//! [1]
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QWidget *SpinBoxDelegate::createEditor(QWidget *parent,
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    const QStyleOptionViewItem &/* option */,
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    const QModelIndex &/* index */) const
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{
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    //QSpinBox *editor = new QSpinBox(parent);
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    //editor->setMinimum(0);
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    //editor->setMaximum(100);
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    QStringList ID_list;
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    QStringList Name_list;
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  // getItems();
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    ID_list = items.keys();
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    Name_list = items.values();
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    QComboBox *editor = new QComboBox(parent);
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/*
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    editor->addItem("0");
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    editor->addItem("1");
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    editor->addItem("2");
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    editor->addItem("3");
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    editor->addItem("4");
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    editor->addItem("5");
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    editor->addItem("6");
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    editor->addItem("7");
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    editor->addItem("8");
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    editor->addItem("9");
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*/
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//  editor->addItem("0");
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    editor->addItems(Name_list);
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    return editor;
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}
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//! [1]
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//! [2]
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void SpinBoxDelegate::setEditorData(QWidget *editor,
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                                    const QModelIndex &index) const
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{
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   // int value = index.model()->data(index, Qt::EditRole).toInt();
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 //   QSpinBox *spinBox = static_cast<QSpinBox*>(editor);
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 //   spinBox->setValue(value);
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QString value = index.model()->data(index, Qt::EditRole).toString();
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QComboBox *comboBox = static_cast<QComboBox*>(editor);
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QStringList ID_list;
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QStringList Name_list;
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int curr_index;
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ID_list = items.keys();
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Name_list = items.values();
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curr_index = ID_list.indexOf(value);
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comboBox->setCurrentIndex(curr_index);
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/****************************************************
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if (value == "0") comboBox->setCurrentIndex(0);
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if (value == "1") comboBox->setCurrentIndex(1);
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if (value == "2") comboBox->setCurrentIndex(2);
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if (value == "3") comboBox->setCurrentIndex(3);
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if (value == "4") comboBox->setCurrentIndex(4);
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if (value == "5") comboBox->setCurrentIndex(5);
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if (value == "6") comboBox->setCurrentIndex(6);
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if (value == "7") comboBox->setCurrentIndex(7);
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if (value == "8") comboBox->setCurrentIndex(8);
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if (value == "9") comboBox->setCurrentIndex(9);
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******************************************************/
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comboBox->setEditable(true);
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//comboBox->setItemText(0, value);
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}
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//! [2]
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//! [3]
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void SpinBoxDelegate::setModelData(QWidget *editor, QAbstractItemModel *model,
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                                   const QModelIndex &index) const
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{
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  //  QSpinBox *spinBox = static_cast<QSpinBox*>(editor);
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  //  spinBox->interpretText();
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  //  int value = spinBox->value();
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  //  model->setData(index, value, Qt::EditRole);
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    QStringList ID_list;
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    QStringList Name_list;
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    QComboBox *comboBox = static_cast<QComboBox*>(editor);
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    int currIndex;
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    currIndex = comboBox->currentIndex();
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  //  QString value = comboBox->itemText(currIndex);
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    ID_list = items.keys();
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    Name_list = items.values();
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    QString value = ID_list.at(currIndex);
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    model->setData(index, value, Qt::EditRole);
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}
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//! [3]
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//! [4]
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void SpinBoxDelegate::updateEditorGeometry(QWidget *editor,
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    const QStyleOptionViewItem &option, const QModelIndex &/* index */) const
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{
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    editor->setGeometry(option.rect);
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}
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//! [4]
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MyDEDelegate::MyDEDelegate(
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                       bool calpopup,
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                       QObject *parent)
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               : QItemDelegate(parent),
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                 m_calpopup(calpopup) {
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   }
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   QWidget *MyDEDelegate::createEditor(
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               QWidget *parent,
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               const QStyleOptionViewItem& /* option */,
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               const QModelIndex& /* index */) const {
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       QDateEdit *editor = new QDateEdit(parent);
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       editor->setCalendarPopup(m_calpopup);
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       editor->installEventFilter(const_cast<MyDEDelegate*>(this));
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       return editor;
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   }
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   void MyDEDelegate::setEditorData(
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                   QWidget *editor,
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                   const QModelIndex &index) const {
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       QDate value = index.model()->data(
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               index, Qt::EditRole).toDate();
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       QDateEdit *de = static_cast<QDateEdit*>(editor);
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       de->setDate(value);
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   }
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   void MyDEDelegate::setModelData(
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               QWidget *editor,
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               QAbstractItemModel *model,
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               const QModelIndex& index) const {
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       QDateEdit *de = static_cast<QDateEdit*>(editor);
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       de->interpretText();
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       QDate value = de->date();
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       model->setData(index, value);
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   }
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   void MyDEDelegate::updateEditorGeometry(
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               QWidget *editor,
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               const QStyleOptionViewItem &option,
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               const QModelIndex& /* index */) const {
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       editor->setGeometry(option.rect);
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   }