CQSpinBoxDelegate.cpp

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// Copyright (C) 2010 - 2013 by Pedro Mendes, Virginia Tech Intellectual
// Properties, Inc., University of Heidelberg, and The University
// of Manchester.
// All rights reserved.

// Copyright (C) 2009 by Pedro Mendes, Virginia Tech Intellectual
// Properties, Inc., EML Research, gGmbH, University of Heidelberg,
// and The University of Manchester.
// All rights reserved.

#include <QtGui/QSpinBox>
#include <QtGui/QSortFilterProxyModel>

#include "../copasi.h"
#include "CQSpinBoxDelegate.h"
#include "CQBaseDataModel.h"

CQSpinBoxDelegate::CQSpinBoxDelegate(QObject *parent)
  : QItemDelegate(parent)
{}

QWidget *CQSpinBoxDelegate::createEditor(QWidget *parent,
    const QStyleOptionViewItem & C_UNUSED(option),
    const QModelIndex & index) const
{
  QSpinBox *editor = new QSpinBox(parent);
  editor->setMinimum(1);
  unsigned C_INT32 max = 1;

  const QSortFilterProxyModel *pProxyDM = dynamic_cast<const QSortFilterProxyModel *>(index.model());
  QModelIndex BDMIndex;
  const CQBaseDataModel *pBDM;

  if (pProxyDM)
    {
      pBDM = dynamic_cast<const CQBaseDataModel *>(pProxyDM->sourceModel());
      BDMIndex = pProxyDM->mapToSource(index);
    }
  else
    {
      pBDM = dynamic_cast<const CQBaseDataModel *>(index.model());
      BDMIndex = index;
    }

  if (pBDM)
    {
      if (pBDM->isDefaultRow(BDMIndex))
        max = pBDM->rowCount();
      else
        max = pBDM->rowCount() - 1;
    }

  editor->setMaximum(max);
  return editor;
}

void CQSpinBoxDelegate::setEditorData(QWidget *editor,
                                      const QModelIndex &index) const
{
  QSpinBox *pSpinBox = static_cast<QSpinBox*>(editor);
  unsigned C_INT32 value = index.model()->data(index, Qt::EditRole).toUInt();
  pSpinBox->setValue(value);
}

void CQSpinBoxDelegate::setModelData(QWidget *editor, QAbstractItemModel *model,
                                     const QModelIndex &index) const
{
  QSpinBox *pSpinBox = static_cast<QSpinBox*>(editor);
  pSpinBox->interpretText();
  unsigned int value = pSpinBox->value();

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

void CQSpinBoxDelegate::updateEditorGeometry(QWidget *editor,
    const QStyleOptionViewItem &option, const QModelIndex & C_UNUSED(index)) const
{
  editor->setGeometry(option.rect);
}