1 files changed, 35 insertions, 69 deletions

diff --git a/examples/widgets/itemviews/fetchmore/filelistmodel.cpp b/examples/widgets/itemviews/fetchmore/filelistmodel.cpp
index 3ee80617c0..94b00c5d09 100644
--- a/examples/widgets/itemviews/fetchmore/filelistmodel.cpp
+++ b/examples/widgets/itemviews/fetchmore/filelistmodel.cpp
@@ -1,52 +1,5 @@
-/****************************************************************************
-**
-** Copyright (C) 2016 The Qt Company Ltd.
-** Contact: https://www.qt.io/licensing/
-**
-** This file is part of the examples of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:BSD$
-** 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 The Qt Company. For licensing terms
-** and conditions see https://www.qt.io/terms-conditions. For further
-** information use the contact form at https://www.qt.io/contact-us.
-**
-** BSD License Usage
-** Alternatively, 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 The Qt Company Ltd 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."
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
 
 #include "filelistmodel.h"
 
@@ -54,8 +7,10 @@
 #include <QDir>
 #include <QPalette>
 
+static const int batchSize = 100;
+
 FileListModel::FileListModel(QObject *parent)
-    : QAbstractListModel(parent), fileCount(0)
+    : QAbstractListModel(parent)
 {}
 
 //![4]
@@ -67,24 +22,33 @@ int FileListModel::rowCount(const QModelIndex &parent) const
 QVariant FileListModel::data(const QModelIndex &index, int role) const
 {
     if (!index.isValid())
-        return QVariant();
-
-    if (index.row() >= fileList.size() || index.row() < 0)
-        return QVariant();
-
-    if (role == Qt::DisplayRole) {
-        return fileList.at(index.row());
-    } else if (role == Qt::BackgroundRole) {
-        int batch = (index.row() / 100) % 2;
-        if (batch == 0)
-            return qApp->palette().base();
-        else
-            return qApp->palette().alternateBase();
+        return {};
+
+    const int row = index.row();
+    if (row >= fileList.size() || row < 0)
+        return {};
+
+    switch (role) {
+    case Qt::DisplayRole:
+        return fileList.at(row).fileName();
+    case Qt::BackgroundRole: {
+        const int batch = row / batchSize;
+        const QPalette &palette = QGuiApplication::palette();
+        return (batch % 2) != 0 ? palette.alternateBase() : palette.base();
+    }
+    case Qt::DecorationRole:
+        return iconProvider.icon(fileList.at(row));
     }
-    return QVariant();
+    return {};
 }
+
 //![4]
 
+QFileInfo FileListModel::fileInfoAt(const QModelIndex &index) const
+{
+    return fileList.at(index.row());
+}
+
 //![1]
 bool FileListModel::canFetchMore(const QModelIndex &parent) const
 {
@@ -99,19 +63,20 @@ void FileListModel::fetchMore(const QModelIndex &parent)
 {
     if (parent.isValid())
         return;
-    int remainder = fileList.size() - fileCount;
-    int itemsToFetch = qMin(100, remainder);
+    const int start = fileCount;
+    const int remainder = int(fileList.size()) - start;
+    const int itemsToFetch = qMin(batchSize, remainder);
 
     if (itemsToFetch <= 0)
         return;
 
-    beginInsertRows(QModelIndex(), fileCount, fileCount + itemsToFetch - 1);
+    beginInsertRows(QModelIndex(), start, start + itemsToFetch - 1);
 
     fileCount += itemsToFetch;
 
     endInsertRows();
 
-    emit numberPopulated(itemsToFetch);
+    emit numberPopulated(path, start, itemsToFetch, int(fileList.size()));
 }
 //![2]
 
@@ -121,7 +86,8 @@ void FileListModel::setDirPath(const QString &path)
     QDir dir(path);
 
     beginResetModel();
-    fileList = dir.entryList();
+    this->path = path;
+    fileList = dir.entryInfoList(QDir::NoDot | QDir::AllEntries, QDir::Name);
     fileCount = 0;
     endResetModel();
 }