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/****************************************************************************
**
** Copyright (C) 2017 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt 3D Studio.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef CHOOSERMODELBASE_H
#define CHOOSERMODELBASE_H
#include "DispatchListeners.h"
#include "StudioObjectTypes.h"
#include <QFileSystemModel>
#include <QAbstractListModel>
#include <QList>
#include <QVector>
QT_FORWARD_DECLARE_CLASS(QFileSystemModel)
class ChooserModelBase : public QAbstractListModel, public CPresentationChangeListener
{
Q_OBJECT
public:
explicit ChooserModelBase(QObject *parent = nullptr);
~ChooserModelBase();
enum {
IsExpandableRole = QFileSystemModel::FilePermissions + 1,
DepthRole,
ExpandedRole,
IsSelectableRole,
IsCurrentFile
};
QHash<int, QByteArray> roleNames() const override;
int rowCount(const QModelIndex &parent = {}) const override;
QVariant data(const QModelIndex &index, int role) const override;
Q_INVOKABLE void expand(int row);
Q_INVOKABLE void collapse(int row);
void setCurrentFile(const QString &path);
// CPresentationChangeListener
void OnNewPresentation() override;
Q_SIGNALS:
void modelChanged(QAbstractItemModel *model);
protected:
EStudioObjectType getIconType(const QString &path) const;
virtual bool isVisible(const QString &path) const = 0;
struct FixedItem
{
EStudioObjectType iconType;
QString name;
};
virtual const QVector<FixedItem> getFixedItems() const = 0;
private:
void setRootPath(const QString &path);
void setRootIndex(const QModelIndex &rootIndex);
void clearModelData();
void showModelTopLevelItems();
void showModelChildItems(const QModelIndex &parentItem, int start, int end);
int modelIndexRow(const QModelIndex &modelIndex) const;
bool isExpanded(const QModelIndex &modelIndex) const;
QString getIconName(const QString &path) const;
bool isVisible(const QModelIndex &modelIndex) const;
bool hasVisibleChildren(const QModelIndex &modelIndex) const;
void expand(const QModelIndex &modelIndex);
void modelRowsInserted(const QModelIndex &parent, int start, int end);
void modelRowsRemoved(const QModelIndex &parent, int start, int end);
void modelRowsMoved(const QModelIndex &parent, int start, int end);
void modelLayoutChanged();
void rebuild();
struct TreeItem {
QPersistentModelIndex index;
int depth;
bool expanded;
TreeItem *parent;
int childCount;
};
QFileSystemModel *m_model;
QPersistentModelIndex m_rootIndex;
QList<TreeItem> m_items;
QString m_currentFile;
};
#endif // CHOOSERMODELBASE_H
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