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/*
Copyright (C) 2010 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/>
*/
#include <QComboBox>
#include <QCheckBox>
#include <QApplication>
#include <QMouseEvent>
#include "streammodel.h"
#include "streamlistdelegate.h"
StreamListDelegate::StreamListDelegate(QObject *parent)
: QItemDelegate(parent)
{
}
QWidget *StreamListDelegate::createEditor(QWidget *parent,
const QStyleOptionViewItem &option,
const QModelIndex &index) const
{
QWidget *editor = NULL;
switch ((StreamModel::StreamFields) index.column())
{
case StreamModel::StreamStatus:
{
editor = new QCheckBox(parent);
goto _handled;
}
case StreamModel::StreamNextWhat:
{
editor = new QComboBox(parent);
static_cast<QComboBox*>(editor)->insertItems(0,
StreamModel::nextWhatOptionList());
goto _handled;
}
case StreamModel::StreamIcon:
case StreamModel::StreamName:
default:
break;
}
editor = QItemDelegate::createEditor(parent, option, index);
_handled:
return editor;
}
void StreamListDelegate::setEditorData(QWidget *editor,
const QModelIndex &index) const
{
switch ((StreamModel::StreamFields) index.column())
{
case StreamModel::StreamStatus:
{
QCheckBox *cb = static_cast<QCheckBox*>(editor);
cb->setChecked(
index.model()->data(index, Qt::EditRole).toBool());
goto _handled;
}
case StreamModel::StreamNextWhat:
{
QComboBox *cb = static_cast<QComboBox*>(editor);
cb->setCurrentIndex(
index.model()->data(index, Qt::EditRole).toInt());
goto _handled;
}
case StreamModel::StreamIcon:
case StreamModel::StreamName:
default:
break;
}
QItemDelegate::setEditorData(editor, index);
_handled:
return;
}
void StreamListDelegate::setModelData(QWidget *editor,
QAbstractItemModel *model, const QModelIndex &index) const
{
switch ((StreamModel::StreamFields) index.column())
{
case StreamModel::StreamStatus:
{
QCheckBox *cb = static_cast<QCheckBox*>(editor);
model->setData(index, cb->isChecked(), Qt::EditRole);
goto _handled;
}
case StreamModel::StreamNextWhat:
{
QComboBox *cb = static_cast<QComboBox*>(editor);
model->setData(index, cb->currentIndex(), Qt::EditRole);
goto _handled;
}
case StreamModel::StreamIcon:
case StreamModel::StreamName:
default:
break;
}
QItemDelegate::setModelData(editor, model, index);
_handled:
return;
}
void StreamListDelegate::updateEditorGeometry(QWidget *editor,
const QStyleOptionViewItem &option, const QModelIndex &index) const
{
switch ((StreamModel::StreamFields) index.column())
{
case StreamModel::StreamStatus:
{
/*
* extra 'coz QItemDelegate does it - otherwise the editor
* placement is incorrect
*/
int extra = 2 * (qApp->style()->pixelMetric(
QStyle::PM_FocusFrameHMargin, 0) + 1);
editor->setGeometry(option.rect.translated(extra, 0));
goto _handled;
}
case StreamModel::StreamIcon:
case StreamModel::StreamName:
case StreamModel::StreamNextWhat:
default:
break;
}
QItemDelegate::updateEditorGeometry(editor, option, index);
_handled:
return;
}
bool StreamListDelegate::editorEvent(QEvent *event, QAbstractItemModel *model,
const QStyleOptionViewItem &option, const QModelIndex &index)
{
/*
* Special Handling so that user can use the "Stream status" checkbox
* without double clicking first. Copied from QItemDelegate::editorEvent()
* and modified suitably
*/
if ((StreamModel::StreamFields)index.column() ==
StreamModel::StreamStatus)
{
// make sure that we have the right event type
if ((event->type() == QEvent::MouseButtonRelease)
|| (event->type() == QEvent::MouseButtonDblClick))
{
QRect checkRect = doCheck(option, option.rect, Qt::Checked);
QRect emptyRect;
doLayout(option, &checkRect, &emptyRect, &emptyRect, false);
if (!checkRect.contains(static_cast<QMouseEvent*>(event)->pos()))
return false;
Qt::CheckState state = (static_cast<Qt::CheckState>(index.data(
Qt::CheckStateRole).toInt()) == Qt::Checked ? Qt::Unchecked : Qt::Checked);
return model->setData(index, state, Qt::CheckStateRole);
}
}
return QItemDelegate::editorEvent(event, model, option, index);
}
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