Update MediaClient

MediaClient/MediaClientForMobile/FileListModel.cpp

@@ -0,0 +1,173 @@
+/***************************************************************************************
+ *
+ *  IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
+ *
+ *  By downloading, copying, installing or using the software you agree to this license.
+ *  If you do not agree to this license, do not download, install, 
+ *  copy or use the software.
+ *
+ *  Copyright (C) 2014-2024, Happytimesoft Corporation, all rights reserved.
+ *
+ *  Redistribution and use in binary forms, with or without modification, are permitted.
+ *
+ *  Unless required by applicable law or agreed to in writing, software distributed 
+ *  under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
+ *  CONDITIONS OF ANY KIND, either express or implied. See the License for the specific
+ *  language governing permissions and limitations under the License.
+ *
+****************************************************************************************/
+
+#include "FileListModel.h"
+#include "utils.h"
+#include <QApplication>
+#include <QBrush>
+#include <QDir>
+#include <QPalette>
+
+
+FileListModel::FileListModel(int fileFormat, QObject *parent)
+: QAbstractListModel(parent)
+, m_bCheckable(false)
+, m_fileFormat(fileFormat)
+{
+}
+
+int FileListModel::rowCount(const QModelIndex & /* parent */) const
+{
+    return m_fileCount;
+}
+
+QVariant FileListModel::data(const QModelIndex &index, int role) const
+{
+    if (!index.isValid())
+        return QVariant();
+
+    if (index.row() >= m_fileList.size() || index.row() < 0)
+        return QVariant();
+
+    if (role == Qt::DisplayRole) 
+    {
+        return m_fileList.at(index.row());
+    }
+    else if (role == Qt::DecorationRole && m_fileFormat == FILE_FORMAT_PIC)
+    {
+    	QString file = m_basePath + "/" + m_fileList.at(index.row());
+    	QPixmap pixmap(file);
+		pixmap = pixmap.scaled(60, 40);
+		
+    	return pixmap;
+    }
+    else if (role == Qt::CheckStateRole && m_bCheckable)
+    {
+    	return m_boolList.at(index.row()) ? Qt::Checked : Qt::Unchecked;
+    }
+    else if (role == Qt::SizeHintRole && m_fileFormat == FILE_FORMAT_VIDEO)
+    {
+        return QSize(100, 40);
+    }
+    
+    return QVariant();
+}
+
+Qt::ItemFlags FileListModel::flags(const QModelIndex &index) const
+{
+	if (!index.isValid())
+        return Qt::NoItemFlags;
+
+	if (index.row() >= m_fileList.size() || index.row() < 0)
+        return Qt::NoItemFlags;
+
+	if (m_bCheckable)
+	{
+		return Qt::ItemIsEnabled | Qt::ItemIsSelectable | Qt::ItemIsUserCheckable;
+	}
+	else
+	{
+		return Qt::ItemIsEnabled | Qt::ItemIsSelectable;
+	}
+}
+ 
+bool FileListModel::setData(const QModelIndex &index, const QVariant &value, int role)
+{
+	if (role != Qt::CheckStateRole)
+		return false;
+
+	if (index.row() >= m_fileList.size() || index.row() < 0)
+        return false;
+        
+	m_boolList.replace(index.row(), value.toBool());
+
+	emit dataChanged(index, index);
+
+	return true;
+}
+
+bool FileListModel::canFetchMore(const QModelIndex & /* index */) const
+{
+    if (m_fileCount < m_fileList.size())
+        return true;
+    else
+        return false;
+}
+
+void FileListModel::fetchMore(const QModelIndex & /* index */)
+{
+    int remainder = m_fileList.size() - m_fileCount;
+    int itemsToFetch = qMin(100, remainder);
+
+    beginInsertRows(QModelIndex(), m_fileCount, m_fileCount+itemsToFetch-1);
+
+    m_fileCount += itemsToFetch;
+
+    endInsertRows();
+}
+
+void FileListModel::setNameFilters(const QStringList &filters)
+{
+	m_nameFilters = filters;
+}
+
+bool FileListModel::removeRows(int pos, int count, const QModelIndex &parent)
+{
+	if (pos >= m_fileList.size() || pos < 0)
+        return false;
+        
+    beginRemoveRows(parent, pos, pos);
+	m_fileList.removeAt(pos);
+	m_boolList.removeAt(pos);    
+    endRemoveRows();
+
+    return true;
+}
+
+void FileListModel::setDirPath(const QString &path)
+{
+    QDir dir(path);
+
+    m_basePath = path;
+    dir.setNameFilters(m_nameFilters);
+    
+    beginResetModel();
+    
+    m_fileList = dir.entryList();
+    m_fileCount = 0;
+    
+    for (int i = 0; i < m_fileList.size(); i++)
+    {
+    	m_boolList.push_back(false);
+    }
+    
+    endResetModel();
+}
+
+void FileListModel::setCheckable(bool checkable)
+{	
+	m_bCheckable = checkable;
+
+	if (m_fileCount > 0)
+	{
+		emit dataChanged(index(0), index(m_fileCount-1));
+	}
+}
+
+