DiagramDesigner/diagramUtils/source/dataManager.cpp

#include <QJsonArray>
#include "dataManager.h"
#include "dataBase.h"

DataManager& DataManager::instance()
{
    //采用静态局部变量的方式，静态局部变量的初始化是在第一次访问时，以后的调用不会多次初始化，并且生命周期和程序一致
    static DataManager instance;
    return instance;
}

DataManager::DataManager(QObject *parent)
    : QObject(parent)
{
    _stateInitialised = false;
    _dataInitialised = false;
}

DataManager::~DataManager()
{

}

void DataManager::initialModelState()
{
    QMap<QString,int> model = DataBase::GetInstance()->getAllProjectModel();

    QMap<QString,int>::Iterator iter;
    for(iter = model.begin();iter != model.end(); ++iter)      //遍历模型
    {
        modelStateInfo modelInfo;
        modelInfo.modelType = iter.value();     //模型类型

        groupStateInfo groupInfo;
        QMap<QString,propertyGroupState> mapState = DataBase::GetInstance()->getModelInfo(iter.key());

        QMap<QString,propertyGroupState>::Iterator it;
        for(it = mapState.begin();it != mapState.end();++it)       //遍历模型属性组
        {
            groupInfo.groupName = it.key();
            groupInfo.tableName = it->tableName;
            QJsonArray nodesJsonArray = it->propertyState["checkState"].toArray();

            for (QJsonValueRef nodeJson : nodesJsonArray)   //每个属性的状态信息
            {
                propertyStateInfo propertyInfo;

                QJsonObject node = nodeJson.toObject();
                QString propertyName = node["name"].toString();
                int nState = node["checked"].toInt();
                QString dataType = node["type"].toString();
                QVariant defaultValue = node["defaultValue"].toVariant();
                int lengthPrecision = node["lengthPrecision"].toInt();
                if(nState)
                {
                    //todo:别名赋值
                    propertyInfo.name = propertyName;
                    propertyInfo.type = dataType;
                    propertyInfo.defaultValue = defaultValue;
                    propertyInfo.lengthPrecision = lengthPrecision;

                    groupInfo.info.insert(propertyName,propertyInfo);
                }
            }
            modelInfo.groupInfo.insert(it.key(),groupInfo);
        }
        _modelStateInfo.insert(iter.key(),modelInfo);
    }
    _stateInitialised = true;
}

void DataManager::initialModelData()
{
    QMap<QString,int> model = DataBase::GetInstance()->getAllProjectModel();

    QMap<QString,int>::Iterator iter;
    for(iter = model.begin();iter != model.end(); ++iter)      //遍历模型
    {
        modelDataInfo modelInfo;
        modelInfo.modelType = iter.value();     //模型类型

        QMap<QString,propertyGroupState> mapState = DataBase::GetInstance()->getModelInfo(iter.key());

        QMap<QString,propertyGroupState>::Iterator it;
        for(it = mapState.begin();it != mapState.end();++it)       //遍历模型属性组
        {
            groupStateValue groupValue;
            groupValue.groupName = it.key();
            QJsonArray nodesJsonArray = it->propertyState["checkState"].toArray();

            QStringList lstParam;       //需检索的属性组中属性名列表

            for (QJsonValueRef nodeJson : nodesJsonArray)   //每个属性的状态信息
            {
                propertyStateInfo propertyInfo;

                QJsonObject node = nodeJson.toObject();
                QString propertyName = node["name"].toString();
                int nState = node["checked"].toInt();
                QString dataType = node["type"].toString();
                QVariant defaultValue = node["defaultValue"].toVariant();

                if(nState)
                {
                    lstParam.append(propertyName);
                }
            }
            lstParam.append("global_uuid");         //全局id未添加到属性状态中，手动选择
            groupValue.mapInfo = DataBase::GetInstance()->selectGroupProperty(it->tableName,lstParam);           //返回表中属性值

            modelInfo.groupInfo.insert(it.key(),groupValue);
        }
        _modleDataInfo.insert(iter.key(),modelInfo);
    }
    _dataInitialised = true;
}

void DataManager::updateModelData(const QString& sModel,QUuid uuid,const QString& sGroup,QMap<QString,propertyStateInfo> mapPro)
{
    _modleDataInfo[sModel].groupInfo[sGroup].mapInfo[uuid] = mapPro;        //暂用设定值直接替换旧属性，待测试
}

ModleStateMap& DataManager::modelState()
{
    if(!_stateInitialised)
        initialModelState();
    return _modelStateInfo;
}

ModelDataMap& DataManager::modelData()
{
    if(!_dataInitialised)
        initialModelData();
    return _modleDataInfo;
}