plasma-framework/appletbrowser/kcategorizeditemsviewmodels.cpp

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/*
* Copyright (C) 2007 Ivan Cukic <ivan.cukic+kde@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Library/Lesser General Public License
* version 2, or (at your option) any later version, as published by the
* Free Software Foundation
*
* 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 Library/Lesser 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 "kcategorizeditemsviewmodels_p.h"
namespace KCategorizedItemsViewModels {
// AbstractItem
QString AbstractItem::name() const
{
return text();
}
QString AbstractItem::description() const
{
return "";
}
bool AbstractItem::isFavorite() const
{
return passesFiltering(Filter("favorite", true));
}
int AbstractItem::running() const
{
return 0;
}
bool AbstractItem::matches(const QString & pattern) const
{
return name().contains(pattern, Qt::CaseInsensitive) || description().contains(pattern, Qt::CaseInsensitive);
}
// DefaultFilterModel
DefaultFilterModel::DefaultFilterModel(QObject * parent) :
QStandardItemModel(0, 1, parent)
{
setHeaderData(1, Qt::Horizontal, tr("Filters"));
}
void DefaultFilterModel::addFilter(const QString & caption,
const Filter & filter, const KIcon * icon)
{
QList<QStandardItem *> newRow;
QStandardItem * item = new QStandardItem(caption);
item->setData(qVariantFromValue<Filter>(filter));
if (icon) item->setIcon(*icon);
newRow << item;
appendRow(newRow);
}
void DefaultFilterModel::addSeparator(const QString & caption)
{
QList<QStandardItem *> newRow;
QStandardItem * item = new QStandardItem(caption);
item->setEnabled(false);
newRow << item;
appendRow(newRow);
}
// DefaultItemFilterProxyModel
DefaultItemFilterProxyModel::DefaultItemFilterProxyModel(QObject * parent) :
QSortFilterProxyModel(parent), m_innerModel(parent)
{
}
void DefaultItemFilterProxyModel::setSourceModel(QAbstractItemModel * sourceModel)
{
QStandardItemModel *model = qobject_cast<QStandardItemModel*>(sourceModel);
if (!model) {
kWarning() << "DefaultItemFilterProxyModel::setSourceModel expects a QStandardItemModel!";
return;
}
m_innerModel.setSourceModel(model);
QSortFilterProxyModel::setSourceModel(&m_innerModel);
}
QStandardItemModel * DefaultItemFilterProxyModel::sourceModel() const
{
return m_innerModel.sourceModel();
}
int DefaultItemFilterProxyModel::columnCount(const QModelIndex& index) const
{
Q_UNUSED(index);
return 3;
}
QVariant DefaultItemFilterProxyModel::data(const QModelIndex & index, int role) const
{
return m_innerModel.data(index, (index.column() == 1), role);
}
bool DefaultItemFilterProxyModel::filterAcceptsRow(int sourceRow,
const QModelIndex &sourceParent) const
{
QStandardItemModel * model = (QStandardItemModel *) sourceModel();
QModelIndex index = sourceModel()->index(sourceRow, 0, sourceParent);
AbstractItem * item = (AbstractItem *) model->itemFromIndex(index);
//kDebug() << "ITEM " << (item ? "IS NOT " : "IS") << " NULL\n";
return (m_filter.first.isEmpty() || item->passesFiltering(m_filter))
&&(m_searchPattern.isEmpty() || item->matches(m_searchPattern));
}
bool DefaultItemFilterProxyModel::lessThan(const QModelIndex &left,
const QModelIndex &right) const
{
return sourceModel()->data(left).toString().compare(sourceModel()->data(right).toString(), sortCaseSensitivity()) < 0;
}
void DefaultItemFilterProxyModel::setSearch(const QString & pattern)
{
m_searchPattern = pattern;
invalidateFilter();
}
void DefaultItemFilterProxyModel::setFilter(const Filter & filter)
{
m_filter = filter;
invalidateFilter();
}
// DefaultItemFilterProxyModel::InnerProxyModel
DefaultItemFilterProxyModel::InnerProxyModel::InnerProxyModel(QObject * parent) :
QAbstractItemModel(parent), m_sourceModel(NULL)
{
}
Qt::ItemFlags DefaultItemFilterProxyModel::InnerProxyModel::flags(
const QModelIndex & index) const
{
if (!m_sourceModel)
return 0;
return m_sourceModel->flags(index);
}
QVariant DefaultItemFilterProxyModel::InnerProxyModel::data(
const QModelIndex & index, bool favoriteColumn, int role) const
{
Q_UNUSED(favoriteColumn);
return data(index, role);
}
QVariant DefaultItemFilterProxyModel::InnerProxyModel::data(
const QModelIndex & index, int role) const
{
if (!m_sourceModel)
return QVariant();
return m_sourceModel->data(index, role);
}
QVariant DefaultItemFilterProxyModel::InnerProxyModel::headerData(int section,
Qt::Orientation orientation, int role) const
{
Q_UNUSED(orientation);
Q_UNUSED(role);
return QVariant(section);
}
int DefaultItemFilterProxyModel::InnerProxyModel::rowCount(
const QModelIndex & parent) const
{
if (!m_sourceModel)
return 0;
return m_sourceModel->rowCount(parent);
}
bool DefaultItemFilterProxyModel::InnerProxyModel::setData(
const QModelIndex & index, const QVariant & value, int role)
{
if (!m_sourceModel)
return false;
return m_sourceModel->setData(index, value, role);
}
bool DefaultItemFilterProxyModel::InnerProxyModel::setHeaderData(int section,
Qt::Orientation orientation, const QVariant & value, int role)
{
Q_UNUSED(section);
Q_UNUSED(value);
Q_UNUSED(orientation);
Q_UNUSED(role);
return false;
}
QModelIndex DefaultItemFilterProxyModel::InnerProxyModel::index(int row,
int column, const QModelIndex & parent) const
{
Q_UNUSED(column);
if (!m_sourceModel)
return QModelIndex();
return m_sourceModel->index(row, 0, parent);
}
QModelIndex DefaultItemFilterProxyModel::InnerProxyModel::parent(
const QModelIndex & index) const
{
if (!m_sourceModel)
return QModelIndex();
return m_sourceModel->parent(index);
}
QMimeData * DefaultItemFilterProxyModel::InnerProxyModel::mimeData(
const QModelIndexList & indexes) const
{
if (!m_sourceModel)
return NULL;
return m_sourceModel->mimeData(indexes);
}
int DefaultItemFilterProxyModel::InnerProxyModel::columnCount(
const QModelIndex& index) const
{
Q_UNUSED(index);
return 3; //FIXME: a hardcoded magic number that appears in two places CANNOT be good
}
void DefaultItemFilterProxyModel::InnerProxyModel::setSourceModel(
QStandardItemModel * sourceModel)
{
m_sourceModel = sourceModel;
}
QStandardItemModel * DefaultItemFilterProxyModel::InnerProxyModel::sourceModel() const
{
return m_sourceModel;
}
// DefaultItemModel
DefaultItemModel::DefaultItemModel(QObject * parent) :
QStandardItemModel(parent) {}
}