kdelibs/kdeui/tests/proxymodeltestapp/breadcrumbnavigationwidget.h
2014-11-13 01:04:59 +02:00

121 lines
3.4 KiB
C++

/*
Copyright (C) 2010 Klarälvdalens Datakonsult AB,
a KDAB Group company, info@kdab.net,
author Stephen Kelly <stephen@kdab.com>
This library is free software; you can redistribute it and/or modify it
under the terms of the GNU Library General Public License as published by
the Free Software Foundation; either version 2 of the License, or (at your
option) any later version.
This library 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 Library General Public
License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA.
*/
#ifndef BREADCRUMBNAVIGATION_WIDGET_H
#define BREADCRUMBNAVIGATION_WIDGET_H
#include <QtGui/QWidget>
#include <QItemSelection>
#include <QLabel>
#include <QListView>
#include <kselectionproxymodel.h>
#include "klinkitemselectionmodel.h"
class CurrentItemLabel : public QLabel
{
Q_OBJECT
public:
CurrentItemLabel(QAbstractItemModel *model, QWidget* parent = 0, Qt::WindowFlags f = 0);
private slots:
void rowsInserted(const QModelIndex &parent, int start, int end);
void rowsRemoved(const QModelIndex &parent, int start, int end);
void dataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight);
void modelReset();
private:
QAbstractItemModel *m_model;
};
class KBreadcrumbNavigationProxyModel : public KSelectionProxyModel
{
Q_OBJECT
public:
KBreadcrumbNavigationProxyModel(QItemSelectionModel* selectionModel, QObject* parent = 0);
void setShowHiddenAscendantData(bool showHiddenAscendantData);
bool showHiddenAscendantData() const;
virtual QVariant data(const QModelIndex& index, int role = Qt::DisplayRole) const;
private:
bool m_showHiddenAscendantData;
};
class KNavigatingProxyModel : public KSelectionProxyModel
{
Q_OBJECT
public:
KNavigatingProxyModel(QItemSelectionModel* selectionModel, QObject* parent = 0);
virtual void setSourceModel(QAbstractItemModel* sourceModel);
virtual QVariant data(const QModelIndex& index, int role = Qt::DisplayRole) const;
private slots:
void modelReset();
void updateNavigation();
void navigationSelectionChanged( const QItemSelection &, const QItemSelection & );
private:
private:
using KSelectionProxyModel::setFilterBehavior;
QItemSelectionModel *m_selectionModel;
};
class KForwardingItemSelectionModel : public QItemSelectionModel
{
Q_OBJECT
public:
enum Direction
{
Forward,
Reverse
};
KForwardingItemSelectionModel(QAbstractItemModel* model, QItemSelectionModel *selectionModel, QObject *parent = 0);
KForwardingItemSelectionModel(QAbstractItemModel* model, QItemSelectionModel *selectionModel, Direction direction, QObject *parent = 0);
virtual void select(const QModelIndex& index, SelectionFlags command);
virtual void select(const QItemSelection& selection, SelectionFlags command);
private slots:
void navigationSelectionChanged(const QItemSelection &selected, const QItemSelection &deselected);
private:
QItemSelectionModel *m_selectionModel;
Direction m_direction;
};
class BreadcrumbNavigationWidget : public QWidget
{
Q_OBJECT
public:
BreadcrumbNavigationWidget(QWidget* parent = 0, Qt::WindowFlags f = 0);
};
#endif