#include "AppMgrModel.h"#include <QPoint>#include <QImage>#include <QStringList>#include <QSettings>    #include <QApplication>#include <QFont>const int AppMgrModel::COL_NUM = 3;const QString AppMgrModel::iniFileName = "./data/app_data.ini";struct AppNode{    AppNode() : type(-1), name(NULL), value(NULL) {};    int type;    QString name;    QString value;};AppMgrModel::AppMgrModel(const QString& children, QObject* parent)    : QAbstractTableModel(parent), mChildren(children){    loadChildNodes();    nodesCount = mNodeList.size();    qDebug("nodes count: %d", nodesCount);}AppMgrModel::~AppMgrModel(){    clearNodes();}QVariant AppMgrModel::data(const QModelIndex &index, int role) const{    int nodeIndex =  index.row() * columnCount() + index.column();        if (nodeIndex >= nodesCount)        return QVariant();        switch(role)     {        default:        case Qt::DisplayRole:            return mNodeList.at(nodeIndex)->name;        case Qt::BackgroundColorRole:            return Qt::yellow;        case Qt::FontRole:            if (qApp) {                QFont f = qApp->font();                f.setPixelSize(12);                f.setBold(true);                return f;            }            break;           case Qt::UserRole:            return mNodeList.at(nodeIndex)->type;        case Qt::UserRole + 1:            return mNodeList.at(nodeIndex)->value;    }    return QVariant();}void AppMgrModel::loadChildNodes(){    QSettings cfg(iniFileName, QSettings::IniFormat);    if (mChildren == TOP_FOLDER_FLAG)     {        mChildren = cfg.value("0/Value").toString();     }    qDebug("chilren nodes: %s", mChildren.toLatin1().constData());        QStringList childrenIds = mChildren.split('*');        clearNodes();    int size = childrenIds.size();    for (int i=0; i < size; i++)    {        cfg.beginGroup(childrenIds.at(i));        qDebug("chilren node group: %s", childrenIds.at(i).toLatin1().constData());        AppNode* node = new AppNode();        node->type = cfg.value("Type").toInt();        node->name = cfg.value("Name").toString();        node->value = cfg.value("Value").toString();        mNodeList.append(node);        qDebug("chilren node appended. Type=%d, Name=%s, Value=%s",             node->type, node->name.toLatin1().constData(), node->value.toLatin1().constData());        cfg.endGroup();    }    }void AppMgrModel::clearNodes(){    if (!mNodeList.isEmpty())    {        int size = mNodeList.size();        for (int i=0; i < size; i++)        {            if (mNodeList.at(i) != NULL)                delete mNodeList.at(i);        }        mNodeList.clear();    }}