Add json/savegame example.

There wasn't any example documentation besides json.html, which doesn't
actually describe usage of the various QJson* classes.

This also makes each QJson* class page link back to json.html.

Change-Id: If5ad6493d2728df0cec7bdbbc5790f0b755f816c
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@digia.com>
Reviewed-by: Jerome Pasion <jerome.pasion@digia.com>
Reviewed-by: Lars Knoll <lars.knoll@digia.com>

1 files changed, 83 insertions, 0 deletions

diff --git a/examples/json/savegame/level.cpp b/examples/json/savegame/level.cpp
new file mode 100644
index 0000000000..afbd3e0fa0
--- /dev/null
+++ b/examples/json/savegame/level.cpp
@@ -0,0 +1,83 @@
+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** You may use this file under the terms of the BSD license as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+**   * Redistributions of source code must retain the above copyright
+**     notice, this list of conditions and the following disclaimer.
+**   * Redistributions in binary form must reproduce the above copyright
+**     notice, this list of conditions and the following disclaimer in
+**     the documentation and/or other materials provided with the
+**     distribution.
+**   * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
+**     of its contributors may be used to endorse or promote products derived
+**     from this software without specific prior written permission.
+**
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "level.h"
+
+#include <QJsonArray>
+
+Level::Level() {
+}
+
+const QList<Character> &Level::npcs() const
+{
+    return mNpcs;
+}
+
+void Level::setNpcs(const QList<Character> &npcs)
+{
+    mNpcs = npcs;
+}
+
+//! [0]
+void Level::read(const QJsonObject &json)
+{
+    mNpcs.clear();
+    QJsonArray npcArray = json["npcs"].toArray();
+    for (int npcIndex = 0; npcIndex < npcArray.size(); ++npcIndex) {
+        QJsonObject npcObject = npcArray[npcIndex].toObject();
+        Character npc;
+        npc.read(npcObject);
+        mNpcs.append(npc);
+    }
+}
+//! [0]
+
+//! [1]
+void Level::write(QJsonObject &json) const
+{
+    QJsonArray npcArray;
+    foreach (const Character npc, mNpcs) {
+        QJsonObject npcObject;
+        npc.write(npcObject);
+        npcArray.append(npcObject);
+    }
+    json["npcs"] = npcArray;
+}
+//! [1]