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Code: Alles auswählen

void View::init()
{
		 meinModel= new Model();
		QTableView *meineView=new QTableView( this );
   		meineView->setModel(meinModel);
		QWidget *mywidget= new QWidget(this);
		QPushButton* btnaddtotable = new QPushButton( "Add to Table",this);
		 btnaddtotable->setGeometry(50,20,100,40);
	    QObject::connect ( btnaddtotable, SIGNAL ( clicked() ), this , SLOT(pushButtonClicked())) ;
		meineView->setObjectName(QStringLiteral("Tabelle"));
		meineView->setGeometry(QRect(20, 100, 361, 191));
        txtname = new QLineEdit(mywidget);
        txtname->setObjectName(QStringLiteral("txtname"));
        txtname->setGeometry(QRect(20, 30, 151, 31));
        txtvalue = new QLineEdit(mywidget);
        txtvalue->setObjectName(QStringLiteral("textEdit"));
        txtvalue->setGeometry(QRect(230, 30, 151, 31));
        label = new QLabel ("Name: ", mywidget );
        label->setObjectName(QStringLiteral("label"));
        label->setGeometry(QRect(20, 10, 61, 20));
        label_2 = new QLabel ("Value ", mywidget );
        label_2->setObjectName(QStringLiteral("label_2"));
        label_2->setGeometry(QRect(235, 10, 51, 20));
        btnaddtotable->setObjectName(QStringLiteral("pushButton"));
        btnaddtotable->setGeometry(QRect(160, 70, 75, 23));
		this->setGeometry(500,500,400,350);
		// zum sortieren
		sort_filter = new QSortFilterProxyModel(this);
		sort_filter->setSourceModel(meinModel);
		//sortiert die erste reihe
		sort_filter->sort (0);
	    meineView->setModel (sort_filter);
		//zum überprüfen ob vorhanden
		sort_filter->setSourceModel(meinModel);		
}
void View::pushButtonClicked()
{	QMessageBox msb;
	//sort_filter->setFilterFixedString(txtname->text());	
	QModelIndexList indexes = meinModel->match(meinModel->index(0,0), Qt::DisplayRole,QVariant::fromValue(txtname->text()) );
	if (indexes.size() == 0 )
	{
			this->setSortingEnabled(false);
			meinModel->setData(txtname->text(),txtvalue->text());
			this->setSortingEnabled(true);
	} else 
		{
	msb.setText( " ' "+ txtname->text() + " ' "+ " alredy exist");
	msb.setInformativeText("Do you want to add it ?");
	msb.setStandardButtons(QMessageBox::Save | QMessageBox::Discard );
	int ret = msb.exec();
		 switch (ret) 
			{
			case QMessageBox::Save:
				this->sort_filter->invalidate();
			this->setSortingEnabled(false);
			meinModel->setData(txtname->text(),txtvalue->text());
			this->setSortingEnabled(true);
			break;
			case QMessageBox::Discard:
				this->sort_filter->invalidate();
			txtname->clear();
			txtvalue->clear();
			break;
			 };
		}
}

Code: Alles auswählen

bool Model::setData(QString name,QString value )
{
	beginInsertRows(QModelIndex(), names.size(), names.size());
	names.push_back(name);
	values.push_back(value);
	endInsertRows();
	qDebug() << "inhalt name:"<< name;
	qDebug() << "inhalt value:"<< name;
	std::cout << names.size() << std::endl;
	QModelIndex topLeft = createIndex(0,0);
	QModelIndex bottomRights = createIndex(names.size()-1,1);
     //emit a signal to make the view reread identified data
    emit dataChanged(topLeft, bottomRights);
	return true;	
}
QVariant Model::data(const QModelIndex &index, int role) const
{
	std::cout << "data" << std::endl;
 if (role == Qt::DisplayRole)
 {
	QString returnValue;
	if(0 == index.column())
	{		
		returnValue = names.at(index.row());
	}  
	else if (1 == index.column())
	{
		returnValue = values.at(index.row());
	}
	else
	{
		//column does not exist
	}	
	return returnValue;
 } else 
 {
	 return QVariant();
 }
}
    int Model::rowCount(const QModelIndex & parent) const
    {
        std::cout << "rowCount" << std::endl;
		Q_UNUSED( parent );
		return names.size();
    }
    int Model::columnCount(const QModelIndex & parent ) const
    {
        std::cout << "columnCount" << std::endl;
		Q_UNUSED( parent );
        return 2;
    }
	QVariant Model::headerData(int section, Qt::Orientation orientation, int role) const
{
    if (role == Qt::DisplayRole)
    {
        if (orientation == Qt::Horizontal) {
            switch (section)
            {
            case 0:
                return QString("name");
            case 1:
                return QString("value");
            }
        }
    }
    return QVariant();
}