1 files changed, 110 insertions, 0 deletions
diff --git a/tests/manual/examples/widgets/itemviews/interview/model.cpp b/tests/manual/examples/widgets/itemviews/interview/model.cpp
new file mode 100644
index 0000000000..9050ae6cc1
--- /dev/null
+++ b/tests/manual/examples/widgets/itemviews/interview/model.cpp
@@ -0,0 +1,110 @@
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+#include "model.h"
+
+#include <QPixmap>
+
+Model::Model(int rows, int columns, QObject *parent)
+    : QAbstractItemModel(parent),
+      services(QPixmap(":/images/services.png")),
+      rc(rows),
+      cc(columns),
+      tree(new QList<Node>(rows, Node()))
+{
+
+}
+
+Model::~Model()
+{
+    delete tree;
+}
+
+QModelIndex Model::index(int row, int column, const QModelIndex &parent) const
+{
+    if (row < rc && row >= 0 && column < cc && column >= 0) {
+        Node *parentNode = static_cast<Node*>(parent.internalPointer());
+        Node *childNode = node(row, parentNode);
+        if (childNode)
+            return createIndex(row, column, childNode);
+    }
+    return QModelIndex();
+}
+
+QModelIndex Model::parent(const QModelIndex &child) const
+{
+    if (child.isValid()) {
+        Node *childNode = static_cast<Node*>(child.internalPointer());
+        Node *parentNode = parent(childNode);
+        if (parentNode)
+            return createIndex(row(parentNode), 0, parentNode);
+    }
+    return QModelIndex();
+}
+
+int Model::rowCount(const QModelIndex &parent) const
+{
+    return (parent.isValid() && parent.column() != 0) ? 0 : rc;
+}
+
+int Model::columnCount(const QModelIndex &parent) const
+{
+    Q_UNUSED(parent);
+    return cc;
+}
+
+QVariant Model::data(const QModelIndex &index, int role) const
+{
+    if (!index.isValid())
+        return QVariant();
+    if (role == Qt::DisplayRole)
+        return QVariant("Item " + QString::number(index.row()) + ':' + QString::number(index.column()));
+    if (role == Qt::DecorationRole) {
+        if (index.column() == 0)
+            return iconProvider.icon(QFileIconProvider::Folder);
+        return iconProvider.icon(QFileIconProvider::File);
+    }
+    return QVariant();
+}
+
+QVariant Model::headerData(int section, Qt::Orientation orientation, int role) const
+{
+    if (role == Qt::DisplayRole)
+        return QString::number(section);
+    if (role == Qt::DecorationRole)
+        return QVariant::fromValue(services);
+    return QAbstractItemModel::headerData(section, orientation, role);
+}
+
+bool Model::hasChildren(const QModelIndex &parent) const
+{
+    if (parent.isValid() && parent.column() != 0)
+        return false;
+    return rc > 0 && cc > 0;
+}
+
+Qt::ItemFlags Model::flags(const QModelIndex &index) const
+{
+    if (!index.isValid())
+        return {};
+    return Qt::ItemIsDragEnabled|QAbstractItemModel::flags(index);
+}
+
+Model::Node *Model::node(int row, Node *parent) const
+{
+    if (parent && !parent->children)
+        parent->children = new QList<Node>(rc, Node(parent));
+    QList<Node> *v = parent ? parent->children : tree;
+    return const_cast<Node*>(&(v->at(row)));
+}
+
+Model::Node *Model::parent(Node *child) const
+{
+    return child ? child->parent : nullptr;
+}
+
+int Model::row(Node *node) const
+{
+    const Node *first = node->parent ? &(node->parent->children->at(0)) : &(tree->at(0));
+    return node - first;
+}