qt-creator/src/plugins/genericprojectmanager/selectablefilesmodel.h

/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (info@qt.nokia.com)
**
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** GNU Lesser General Public License Usage
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** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this file.
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#ifndef SELECTABLEFILESMODEL_H
#define SELECTABLEFILESMODEL_H

#include <QtCore/QAbstractItemModel>
#include <QtCore/QSet>
#include <QtGui/QFileSystemModel>
#include <QtGui/QFileIconProvider>
#include <QtGui/QDialog>
#include <QtGui/QTreeView>

namespace GenericProjectManager {
namespace Internal {


struct Tree
{
    QString name;
    Qt::CheckState checked;
    QList<Tree *> childDirectories;
    QList<Tree *> files;
    bool isDir;
    QIcon icon;
    QString fullPath;
    Tree *parent;
};

class SelectableFilesModel : public QAbstractItemModel
{
    Q_OBJECT
public:
    SelectableFilesModel(const QString &baseDir, const QStringList &files, const QSet<QString> &suffixes, QObject *parent);
    ~SelectableFilesModel();

    int columnCount(const QModelIndex &parent) const;
    int rowCount(const QModelIndex &parent) const;
    QModelIndex index(int row, int column, const QModelIndex &parent) const;
    QModelIndex parent(const QModelIndex &child) const;

    bool setData(const QModelIndex &index, const QVariant &value, int role = Qt::EditRole);
    QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const;
    Qt::ItemFlags flags(const QModelIndex &index) const;

    QStringList selectedFiles() const;
private:
    void collectFiles(Tree *root, QStringList *result) const;
    void buildTree(const QString &baseDir, Tree *tree);
    void deleteTree(Tree *tree);
    void propagateUp(const QModelIndex &index);
    void propagateDown(const QModelIndex &index);
    QString m_baseDir;
    QSet<QString> m_files;
    QSet<QString> m_suffixes;
    Tree *m_root;
    QFileIconProvider m_iconProvider;
};

class SelectableFilesDialog : public QDialog
{
    Q_OBJECT
public:
    SelectableFilesDialog(const QString &path, const QStringList files, const QSet<QString> &suffixes, QWidget *parent);
    QStringList selectedFiles() const;
private:
    void smartExpand(QTreeView *view, const QModelIndex &index);
    SelectableFilesModel *m_selectableFilesModel;
};

}
}


#endif // SELECTABLEFILESMODEL_H