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/***************************************************************************
* Copyright (C) 2008 by Peter Penz <[email protected]> *
* *
* This program 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 2 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, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA *
***************************************************************************/
#include "dolphinfileitemdelegate.h"
#include <dolphinmodel.h>
#include <kfileitem.h>
#include <kicon.h>
#include <kiconloader.h>
#include <QAbstractItemModel>
#include <QAbstractProxyModel>
#include <QFontMetrics>
#include <QPalette>
#include <QPainter>
#include <QStyleOptionViewItemV4>
DolphinFileItemDelegate::DolphinFileItemDelegate(QObject* parent) :
KFileItemDelegate(parent),
m_hasMinimizedNameColumn(false)
{
}
DolphinFileItemDelegate::~DolphinFileItemDelegate()
{
}
void DolphinFileItemDelegate::paint(QPainter* painter,
const QStyleOptionViewItem& option,
const QModelIndex& index) const
{
const QAbstractProxyModel* proxyModel = static_cast<const QAbstractProxyModel*>(index.model());
const DolphinModel* dolphinModel = static_cast<const DolphinModel*>(proxyModel->sourceModel());
const bool isNameColumn = (index.column() == KDirModel::Name);
if (m_hasMinimizedNameColumn && isNameColumn) {
QStyleOptionViewItemV4 opt(option);
adjustOptionWidth(opt, proxyModel, dolphinModel, index);
KFileItemDelegate::paint(painter, opt, index);
} else {
KFileItemDelegate::paint(painter, option, index);
}
if (dolphinModel->hasRevisionData() && isNameColumn) {
// The currently shown items are under revision control. Show the current revision
// state by adding an emblem.
const QModelIndex dirIndex = proxyModel->mapToSource(index);
const QModelIndex revisionIndex = dolphinModel->index(dirIndex.row(), DolphinModel::Revision);
const QVariant data = dolphinModel->data(revisionIndex, Qt::DecorationRole);
const RevisionControlPlugin::RevisionState state = static_cast<RevisionControlPlugin::RevisionState>(data.toInt());
if (state != RevisionControlPlugin::LocalRevision) {
// TODO: extend KFileItemDelegate to be able to get the icon boundaries
const QRect iconRect(option.rect.x(), option.rect.y(),
KIconLoader::SizeSmall, KIconLoader::SizeSmall);
const QPixmap emblem = emblemForState(state, iconRect.size());
painter->drawPixmap(iconRect.x(), iconRect.y(), emblem);
}
}
}
int DolphinFileItemDelegate::nameColumnWidth(const QString& name, const QStyleOptionViewItem& option)
{
QFontMetrics fontMetrics(option.font);
int width = option.decorationSize.width() + fontMetrics.width(name) + 16;
const int defaultWidth = option.rect.width();
if ((defaultWidth > 0) && (defaultWidth < width)) {
width = defaultWidth;
}
return width;
}
void DolphinFileItemDelegate::adjustOptionWidth(QStyleOptionViewItemV4& option,
const QAbstractProxyModel* proxyModel,
const DolphinModel* dolphinModel,
const QModelIndex& index)
{
const QModelIndex dirIndex = proxyModel->mapToSource(index);
const KFileItem item = dolphinModel->itemForIndex(dirIndex);
if (!item.isNull()) {
// symbolic links are displayed in an italic font
if (item.isLink()) {
option.font.setItalic(true);
}
const int width = nameColumnWidth(item.text(), option);
option.rect.setWidth(width);
}
}
QPixmap DolphinFileItemDelegate::emblemForState(RevisionControlPlugin::RevisionState state, const QSize& size)
{
// TODO #1: all icons that are use here will be replaced by revision control emblems provided by the
// Oxygen team before KDE 4.4
// TODO #2: cache the icons
switch (state) {
case RevisionControlPlugin::LatestRevision:
return KIcon("dialog-ok-apply").pixmap(size);
case RevisionControlPlugin::ConflictingRevision:
return KIcon("application-exit").pixmap(size);
case RevisionControlPlugin::UpdateRequiredRevision:
return KIcon("rating").pixmap(size);
case RevisionControlPlugin::EditingRevision:
return KIcon("emblem-important").pixmap(size);
default:
break;
}
return QPixmap();
}
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