Subversion Repositories OpenInventory

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

**

** 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

** Nokia at qt-info@nokia.com.

** $QT_END_LICENSE$

**

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

/*

    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);

    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(true);

//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);

}

//! [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);

   }