6 files changed, 402 insertions, 0 deletions
diff --git a/examples/itemviews/fetchmore/fetchmore.pro b/examples/itemviews/fetchmore/fetchmore.pro
new file mode 100644
index 0000000..dcb84ed
--- /dev/null
+++ b/examples/itemviews/fetchmore/fetchmore.pro
@@ -0,0 +1,12 @@
+HEADERS   = filelistmodel.h \
+            window.h
+SOURCES   = filelistmodel.cpp \
+            main.cpp \
+            window.cpp
+
+# install
+target.path = $$[QT_INSTALL_EXAMPLES]/itemviews/fetchmore
+sources.files = $$SOURCES $$HEADERS *.pro
+sources.path = $$[QT_INSTALL_EXAMPLES]/itemviews/fetchmore
+INSTALLS += target sources
+
diff --git a/examples/itemviews/fetchmore/filelistmodel.cpp b/examples/itemviews/fetchmore/filelistmodel.cpp
new file mode 100644
index 0000000..fc51087
--- /dev/null
+++ b/examples/itemviews/fetchmore/filelistmodel.cpp
@@ -0,0 +1,116 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "filelistmodel.h"
+#include <QApplication>
+#include <QPalette>
+#include <QBrush>
+#include <QDir>
+
+FileListModel::FileListModel(QObject *parent)
+    : QAbstractListModel(parent)
+{
+}
+
+//![4]
+int FileListModel::rowCount(const QModelIndex & /* parent */) const
+{
+    return fileCount;
+}
+
+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 QVariant();
+}
+//![4]
+
+//![1]
+bool FileListModel::canFetchMore(const QModelIndex & /* index */) const
+{
+    if (fileCount < fileList.size())
+        return true;
+    else
+        return false;
+}
+//![1]
+
+//![2]
+void FileListModel::fetchMore(const QModelIndex & /* index */)
+{
+    int remainder = fileList.size() - fileCount;
+    int itemsToFetch = qMin(100, remainder);
+
+    beginInsertRows(QModelIndex(), fileCount, fileCount+itemsToFetch);
+    
+    fileCount += itemsToFetch;
+
+    endInsertRows();
+
+    emit numberPopulated(itemsToFetch);
+}
+//![2]
+
+//![0]
+void FileListModel::setDirPath(const QString &path)
+{
+    QDir dir(path);
+
+    fileList = dir.entryList();
+    fileCount = 0;
+    reset();
+}
+//![0]
+
diff --git a/examples/itemviews/fetchmore/filelistmodel.h b/examples/itemviews/fetchmore/filelistmodel.h
new file mode 100644
index 0000000..921a9e2
--- /dev/null
+++ b/examples/itemviews/fetchmore/filelistmodel.h
@@ -0,0 +1,76 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef FILELISTMODEL_H
+#define FILELISTMODEL_H
+
+#include <QAbstractListModel>
+#include <QList>
+#include <QStringList>
+
+//![0]
+class FileListModel : public QAbstractListModel
+{
+    Q_OBJECT
+
+public:
+    FileListModel(QObject *parent = 0);
+
+    int rowCount(const QModelIndex &parent = QModelIndex()) const;
+    QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const;
+
+signals:
+    void numberPopulated(int number);
+
+public slots:
+    void setDirPath(const QString &path);
+
+protected:
+    bool canFetchMore(const QModelIndex &parent) const;
+    void fetchMore(const QModelIndex &parent);
+
+private:
+    QStringList fileList;
+    int fileCount;
+};
+//![0]
+
+#endif
diff --git a/examples/itemviews/fetchmore/main.cpp b/examples/itemviews/fetchmore/main.cpp
new file mode 100644
index 0000000..58c9705
--- /dev/null
+++ b/examples/itemviews/fetchmore/main.cpp
@@ -0,0 +1,51 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QApplication>
+#include "window.h"
+
+int main(int argc, char *argv[])
+{
+    QApplication app(argc, argv);
+    Window window;
+    window.show();
+    return app.exec();
+}
diff --git a/examples/itemviews/fetchmore/window.cpp b/examples/itemviews/fetchmore/window.cpp
new file mode 100644
index 0000000..066f26b
--- /dev/null
+++ b/examples/itemviews/fetchmore/window.cpp
@@ -0,0 +1,82 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtGui>
+#include "filelistmodel.h"
+#include "window.h"
+
+Window::Window(QWidget *parent)
+    : QWidget(parent)
+{
+    FileListModel *model = new FileListModel(this);
+    model->setDirPath(QLibraryInfo::location(QLibraryInfo::PrefixPath));
+
+    QLabel *label = new QLabel(tr("&Directory:"));
+    QLineEdit *lineEdit = new QLineEdit;
+    label->setBuddy(lineEdit);
+
+    QListView *view = new QListView;
+    view->setModel(model);
+
+    logViewer = new QTextBrowser;
+    logViewer->setSizePolicy(QSizePolicy(QSizePolicy::Preferred, QSizePolicy::Preferred));
+
+    connect(lineEdit, SIGNAL(textChanged(const QString &)),
+            model, SLOT(setDirPath(const QString &)));
+    connect(lineEdit, SIGNAL(textChanged(const QString &)),
+            logViewer, SLOT(clear()));
+    connect(model, SIGNAL(numberPopulated(int)),
+            this, SLOT(updateLog(int)));
+    
+    QGridLayout *layout = new QGridLayout;
+    layout->addWidget(label, 0, 0);
+    layout->addWidget(lineEdit, 0, 1);
+    layout->addWidget(view, 1, 0, 1, 2);
+    layout->addWidget(logViewer, 2, 0, 1, 2);
+
+    setLayout(layout);
+    setWindowTitle(tr("Fetch More Example"));
+}
+
+void Window::updateLog(int number)
+{
+    logViewer->append(tr("%1 items added.").arg(number));
+}
diff --git a/examples/itemviews/fetchmore/window.h b/examples/itemviews/fetchmore/window.h
new file mode 100644
index 0000000..1b8076f
--- /dev/null
+++ b/examples/itemviews/fetchmore/window.h
@@ -0,0 +1,65 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef WINDOW_H
+#define WINDOW_H
+
+#include <QWidget>
+
+QT_BEGIN_NAMESPACE
+class QTextBrowser;
+QT_END_NAMESPACE
+
+class Window : public QWidget
+{
+    Q_OBJECT
+
+public:
+    Window(QWidget *parent = 0);
+
+public slots:
+    void updateLog(int number);
+
+private:
+    QTextBrowser *logViewer;
+};
+
+#endif