1 files changed, 102 insertions, 0 deletions
diff --git a/examples/multimedia/player/playlistmodel.cpp b/examples/multimedia/player/playlistmodel.cpp
new file mode 100644
index 000000000..871aed0b8
--- /dev/null
+++ b/examples/multimedia/player/playlistmodel.cpp
@@ -0,0 +1,102 @@
+// Copyright (C) 2017 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+#include "playlistmodel.h"
+#include "qmediaplaylist.h"
+
+#include <QFileInfo>
+#include <QUrl>
+
+PlaylistModel::PlaylistModel(QObject *parent)
+    : QAbstractItemModel(parent)
+{
+    m_playlist.reset(new QMediaPlaylist);
+    connect(m_playlist.data(), &QMediaPlaylist::mediaAboutToBeInserted, this, &PlaylistModel::beginInsertItems);
+    connect(m_playlist.data(), &QMediaPlaylist::mediaInserted, this, &PlaylistModel::endInsertItems);
+    connect(m_playlist.data(), &QMediaPlaylist::mediaAboutToBeRemoved, this, &PlaylistModel::beginRemoveItems);
+    connect(m_playlist.data(), &QMediaPlaylist::mediaRemoved, this, &PlaylistModel::endRemoveItems);
+    connect(m_playlist.data(), &QMediaPlaylist::mediaChanged, this, &PlaylistModel::changeItems);
+}
+
+PlaylistModel::~PlaylistModel() = default;
+
+int PlaylistModel::rowCount(const QModelIndex &parent) const
+{
+    return m_playlist && !parent.isValid() ? m_playlist->mediaCount() : 0;
+}
+
+int PlaylistModel::columnCount(const QModelIndex &parent) const
+{
+    return !parent.isValid() ? ColumnCount : 0;
+}
+
+QModelIndex PlaylistModel::index(int row, int column, const QModelIndex &parent) const
+{
+    return m_playlist && !parent.isValid()
+            && row >= 0 && row < m_playlist->mediaCount()
+            && column >= 0 && column < ColumnCount
+        ? createIndex(row, column)
+        : QModelIndex();
+}
+
+QModelIndex PlaylistModel::parent(const QModelIndex &child) const
+{
+    Q_UNUSED(child);
+
+    return QModelIndex();
+}
+
+QVariant PlaylistModel::data(const QModelIndex &index, int role) const
+{
+    if (index.isValid() && role == Qt::DisplayRole) {
+        QVariant value = m_data[index];
+        if (!value.isValid() && index.column() == Title) {
+            QUrl location = m_playlist->media(index.row());
+            return QFileInfo(location.path()).fileName();
+        }
+
+        return value;
+    }
+    return QVariant();
+}
+
+QMediaPlaylist *PlaylistModel::playlist() const
+{
+    return m_playlist.data();
+}
+
+bool PlaylistModel::setData(const QModelIndex &index, const QVariant &value, int role)
+{
+    Q_UNUSED(role);
+    m_data[index] = value;
+    emit dataChanged(index, index);
+    return true;
+}
+
+void PlaylistModel::beginInsertItems(int start, int end)
+{
+    m_data.clear();
+    beginInsertRows(QModelIndex(), start, end);
+}
+
+void PlaylistModel::endInsertItems()
+{
+    endInsertRows();
+}
+
+void PlaylistModel::beginRemoveItems(int start, int end)
+{
+    m_data.clear();
+    beginRemoveRows(QModelIndex(), start, end);
+}
+
+void PlaylistModel::endRemoveItems()
+{
+    endInsertRows();
+}
+
+void PlaylistModel::changeItems(int start, int end)
+{
+    m_data.clear();
+    emit dataChanged(index(start,0), index(end,ColumnCount));
+}