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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of Qt Creator.
**
** 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 Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public 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. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
****************************************************************************/
#ifndef EXAMPLESLISTMODEL_H
#define EXAMPLESLISTMODEL_H
#include <QAbstractListModel>
#include <QStringList>
#include <QXmlStreamReader>
#include <QSortFilterProxyModel>
namespace QtSupport {
namespace Internal {
enum ExampleRoles { Name=Qt::UserRole, ProjectPath, Description, ImageUrl,
DocUrl, FilesToOpen, Tags, Difficulty, HasSourceCode,
Type, Dependencies, IsVideo, VideoUrl, VideoLength, Platforms };
enum InstructionalType { Example=0, Demo, Tutorial };
struct ExampleItem {
ExampleItem(): difficulty(0), isVideo(false) {}
InstructionalType type;
QString name;
QString projectPath;
QString description;
QString imageUrl;
QString docUrl;
QStringList filesToOpen;
QStringList tags;
QStringList dependencies;
int difficulty;
bool hasSourceCode;
bool isVideo;
QString videoUrl;
QString videoLength;
QStringList platforms;
};
class ExamplesListModel : public QAbstractListModel {
Q_OBJECT
public:
explicit ExamplesListModel(QObject *parent);
virtual int rowCount(const QModelIndex &parent = QModelIndex()) const;
virtual QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const;
QStringList tags() const;
void ensureInitialized() const;
void beginReset()
{ beginResetModel(); }
void endReset()
{ endResetModel(); }
signals:
void tagsUpdated();
public slots:
void handleQtVersionsChanged();
void updateExamples();
void helpInitialized();
private:
void addItems(const QList<ExampleItem> &items);
QList<ExampleItem> parseExamples(QXmlStreamReader *reader, const QString &projectsOffset,
const QString &examplesInstallPath);
QList<ExampleItem> parseDemos(QXmlStreamReader *reader, const QString &projectsOffset,
const QString &demosInstallPath);
QList<ExampleItem> parseTutorials(QXmlStreamReader *reader, const QString &projectsOffset);
void clear();
QStringList exampleSources(QString *examplesInstallPath, QString *demosInstallPath,
QString *examplesFallback, QString *demosFallback,
QString *sourceFallback);
QList<ExampleItem> exampleItems;
QStringList m_tags;
bool m_updateOnQtVersionsChanged;
bool m_initialized;
bool m_helpInitialized;
};
class ExamplesListModelFilter : public QSortFilterProxyModel {
Q_OBJECT
public:
Q_PROPERTY(bool showTutorialsOnly READ showTutorialsOnly WRITE setShowTutorialsOnly NOTIFY showTutorialsOnlyChanged)
Q_PROPERTY(QStringList filterTags READ filterTags WRITE setFilterTags NOTIFY filterTagsChanged)
Q_PROPERTY(QStringList searchStrings READ searchStrings WRITE setSearchStrings NOTIFY searchStrings)
explicit ExamplesListModelFilter(ExamplesListModel *sourceModel, QObject *parent);
bool filterAcceptsRow(int sourceRow, const QModelIndex &sourceParent) const;
bool showTutorialsOnly() {return m_showTutorialsOnly;}
QStringList filterTags() const { return m_filterTags; }
QStringList searchStrings() const { return m_searchString; }
virtual int rowCount(const QModelIndex &parent = QModelIndex()) const;
virtual QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const;
public slots:
void setFilterTags(const QStringList& arg)
{
if (m_filterTags != arg) {
m_filterTags = arg;
emit filterTagsChanged(arg);
}
}
void updateFilter();
void setSearchStrings(const QStringList& arg)
{
if (m_searchString != arg) {
m_searchString = arg;
emit searchStrings(arg);
delayedUpdateFilter();
}
}
void parseSearchString(const QString& arg);
void setShowTutorialsOnly(bool showTutorialsOnly);
signals:
void showTutorialsOnlyChanged();
void filterTagsChanged(const QStringList& arg);
void searchStrings(const QStringList& arg);
protected:
void timerEvent(QTimerEvent *event);
private:
void delayedUpdateFilter();
bool m_showTutorialsOnly;
QStringList m_filterTags;
QStringList m_searchString;
ExamplesListModel *m_sourceModel;
int m_timerId;
};
} // namespace Internal
} // namespace QtSupport
#endif // EXAMPLESLISTMODEL_H
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