ostinato/common/spinboxdelegate.cpp

/*
Copyright (C) 2016 Srivats P.

This file is part of "Ostinato"

This 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 3 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, see <http://www.gnu.org/licenses/>

This file incorporates work covered by the following copyright and
permission notice:

   Copyright (C) 2015 The Qt Company Ltd.
   Contact: http://www.qt.io/licensing/

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

   $QT_BEGIN_LICENSE:BSD$
   You may use this file under the terms of the BSD license as follows:

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   modification, are permitted provided that the following conditions are
   met:
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       notice, this list of conditions and the following disclaimer.
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       notice, this list of conditions and the following disclaimer in
       the documentation and/or other materials provided with the
       distribution.
       Neither the name of The Qt Company Ltd nor the names of its
       contributors may be used to endorse or promote products derived
       from this software without specific prior written permission.


   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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*/

//#include <QtGui>

#include "spinboxdelegate.h"

#include <limits.h>

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

QWidget *SpinBoxDelegate::createEditor(QWidget *parent,
    const QStyleOptionViewItem &/* option */,
    const QModelIndex &index) const
{
    QSpinBox *editor = new QSpinBox(parent);
    editor->setMinimum(colMin_.contains(index.column()) ?
                       colMin_.value(index.column()) : 0);
    editor->setMaximum(colMax_.contains(index.column()) ?
                       colMax_.value(index.column()) : INT_MAX);

    return editor;
}

void SpinBoxDelegate::setColumnRange(int col, int min, int max)
{
    colMin_.insert(col, min);
    colMax_.insert(col, max);
}

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);
}

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);
}

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