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DataBaseEngine.cpp
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DataBaseEngine.cpp
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#include "LoadData.h"
#include "DataBaseEngine.h"
#include <QtSql/QSqlDatabase>
#include <QtSql/QSqlRecord>
#include <QtSql/QSqlQuery>
#include <QDesktopServices>
#include <QAbstractButton>
#include <QDoubleSpinBox>
#include <QTextStream>
#include <QFileDialog>
#include <QUrl>
#ifdef _DEBUG
#include <QDebug>
#include <iostream>
#endif
/* Public */
DataBaseEngine::DataBaseEngine(QWidget *parent)
: QWidget(parent)
{
generator = new Generators();
tableModelOfVectors = new TableModelOfVectors(this);
}
bool DataBaseEngine::connectToSQLiteDataBase()
{
QSqlDatabase dbase = QSqlDatabase::addDatabase("QSQLITE");
if(!QFile("sensors.sqlite").size())
{
countColumnOfDataBase = 16;
#ifdef _DEBUG
qDebug() << "[DataBaseEngine] Sensors.sqlite is empty, CountColumnOfDataBase will be 16!";
#endif
}
else
{
countColumnOfDataBase = 0;
}
dbase.setDatabaseName("sensors.sqlite");
if (!dbase.open())
{
#ifdef _DEBUG
qDebug() << "Error: Cannot create or open \"sqlite\" file!"
<< "Please Check SQLite Driver!";
#endif
QMessageBox::warning(0, tr("Critical Error!"), tr("Cannot connect to SQLite DataBase!\n"
"Please Check SQLite Driver!"));
return false;
}
else
{
#ifdef _DEBUG
qDebug() << "Success: Open \"sensors.sqlite\" file!";
#endif
}
tableViewWidget = new QTableView(this);
sqlTableModel = new QSqlTableModel(this);
spinBoxDelegate = new DoubleSpinBoxDelegate(this);
/* For not to edit table cells */
tableViewWidget->setEditTriggers(QAbstractItemView::NoEditTriggers);
return true;
}
void DataBaseEngine::createTableInSQLiteDataBase()
{
QSqlQuery a_query;
/* DDL Query */
QString str = "CREATE TABLE sensors ("
"date VARCHAR(255), ";
for (size_t i = 0; i < countColumnOfDataBase; i++)
{
if (i < countColumnOfDataBase - 1)
{
str += QString("s%1 DOUBLE, ").arg(i+1);
}
else
{
str += QString("s%1 DOUBLE ").arg(i+1);
}
}
str += ");";
bool b = a_query.exec(str);
if (!b)
{
#ifdef _DEBUG
qDebug() << "Warning: Could not create DB table, it exists";
#endif
}
else
{
#ifdef _DEBUG
qDebug() << "Success: Table was created";
#endif
}
}
void DataBaseEngine::formTableInSQLiteDataBase()
{
QSqlQuery a_query;
/* Setting QSqlTableModel */
sqlTableModel->setTable("sensors");
/* For edit table cells */
//sqlTableModel->setEditStrategy(QSqlTableModel::OnFieldChange);
sqlTableModel->select();
countRowsOfDataBase = sqlTableModel->rowCount();
countColumnOfDataBase = sqlTableModel->columnCount() - 1;
sqlTableModel->setHeaderData(0, Qt::Horizontal, date);
for (size_t i = 1; i <= countColumnOfDataBase; ++i)
{
sqlTableModel->setHeaderData(i, Qt::Horizontal, sensor + QString(" %1").arg(i));
}
#ifdef _DEBUG
qDebug() << "countRowsOfDataBase:" << countRowsOfDataBase;
qDebug() << "countColumnOfDataBase" << countColumnOfDataBase;
#endif
tableViewWidget->setModel(sqlTableModel);
/* Set DoubleSpinBox in Table */
for (size_t i = 1; i <= countColumnOfDataBase; ++i)
{
tableViewWidget->setItemDelegateForColumn(i, spinBoxDelegate);
}
switchTableModel = true;
tableViewWidget->selectRow(countRowsOfDataBase - 1);
// imatrix.clear();
readDataBaseTableToVectors(a_query);
}
bool DataBaseEngine::getSwitchTable()
{
return switchTableModel;
}
QTableView *DataBaseEngine::getTableViewWidget()
{
return tableViewWidget;
}
QVector<QVector<double> > &DataBaseEngine::getSensorsReadingsVector2D()
{
#ifdef _DEBUG
qDebug() << &sensorsReadingsVector2D;
#endif
return sensorsReadingsVector2D;
}
QVector<QString> &DataBaseEngine::getSensorsDateVector()
{
#ifdef _DEBUG
qDebug() << &sensorsDateVector;
#endif
return sensorsDateVector;
}
void DataBaseEngine::retranslateUi()
{
date = tr("DATA");
sensor = tr("Sensor");
datePtr = &date;
sensorPtr = &sensor;
overflowWarningTitle = tr("Warning!");
overflowWarningBody = tr("<html>"
"The table was very large (256 rows overflow limit). <br>"
"Adding items can slow down the program. <br><br>"
"You can:"
"<ul>"
"<li>Continue;</li>"
"<li>Clear the DataBase;</li>"
"<li>Generate the HTML Table.</li>"
"</ul>"
"</html>");
overflowWarningButtons[0] = tr("Continue");
overflowWarningButtons[1] = tr("Clear DataBase");
overflowWarningButtons[2] = tr("Generate HTML");
errorTitleGeneral = tr("Error!");
successTitleGeneral = tr("Success!");
clearDataBaseSlot[0] = tr("DataBase Question");
clearDataBaseSlot[1] = tr("Delete SQLite DataBase?");
clearDataBaseSlot[2] = tr("Load the table deletes the existing database.");
emptyDataBaseTableDialog = tr("Empty SQLite DataBase table!");
saveHTMLFileSlot[0] = tr("Save *.html file");
saveHTMLFileSlot[1] = tr("HTML page (*.html);;All Files (*)");
saveHTMLFileSlot[2] = tr("Can't write HTML file!\n"
"Please check RW permission or correct select the file.\n"
"And try again!");
saveHTMLFileSlot[3] = tr("HTML page is created successfully.\n"
"Written %1x%2 cells!\n\n"
"Show HTML Page in your browser?");
saveTextFileSlot[0] = tr("Save *.txt file");
saveTextFileSlot[1] = tr("Text File (*.txt);;All Files (*)");
saveTextFileSlot[2] = tr("Can't write TXT file!\n"
"Please check RW permission or correct select the file.\n"
"And try again!");
saveTextFileSlot[3] = tr("TXT file is created successfully."
"\nWritten %1 lines!");
saveDataFileSlot[0] = tr("Save *.dat file");
saveDataFileSlot[1] = tr("Data File (*.dat);;All Files (*)");
saveDataFileSlot[2] = tr("Can't write DATA file!\n"
"Please check RW permission or correct select the file.\n"
"And try again!");
saveDataFileSlot[3] = tr("DATA file is created successfully."
"\nAdded %1 lines!");
loadTextFileSlot[0] = tr("Open *.txt file");
loadTextFileSlot[1] = tr("Text File (*.txt);;All Files (*)");
loadTextFileSlot[2] = tr("Can't read TXT file!\n"
"Please check RW permission or correct select the file.\n"
"And try again!");
loadTextFileSlot[3] = tr("Attention!\n"
"You try to read TXT file format, which unsuitable size of columns!\n"
"The number of columns must be equal to %1!\n"
"Information: "
"Number of columns in the file - %2");
loadTextFileSlot[4] = tr("The data in the TXT file is corrupted!\n"
"The first mistake: %1");
loadTextFileSlot[5] = tr("TXT file is read successfully.\n"
"Read %1 lines!\n\n"
"Show plot?");
loadDataFileSlot[0] = tr("Open *.dat file");
loadDataFileSlot[1] = tr("Data File (*.dat);;All Files (*)");
loadDataFileSlot[2] = tr("Can't read DATA file!\n"
"Please check RW permission or correct select the file.\n"
"And try again!");
loadDataFileSlot[3] = tr("Invalid \"*.dat\" file!\n"
"Please check data file and try again!");
loadDataFileSlot[4] = tr("Data file is read successfully.\n"
"Read %1 lines!\n\n"
"Show plot?");
#ifdef _DEBUG
qDebug() << "Language Changed";
#endif
formTableInSQLiteDataBase();
tableModelOfVectors->setHeaderDataOfTable(datePtr, sensorPtr);
}
int DataBaseEngine::getColumnsCount()
{
return countColumnOfDataBase;
}
/* Public slots */
void DataBaseEngine::addRandomRowToSQLiteDataBase()
{
QSqlQuery a_query;
if (sqlTableModel->rowCount() >= 256)
{
QMessageBox *pmbx = new QMessageBox(QMessageBox::Information,
overflowWarningTitle,
overflowWarningBody,
QMessageBox::Yes | QMessageBox::No | QMessageBox::Abort | QMessageBox::Cancel);
pmbx->button(QMessageBox::Yes)->setText(overflowWarningButtons[0]);
pmbx->button(QMessageBox::No)->setText(overflowWarningButtons[1]);
pmbx->button(QMessageBox::Abort)->setText(overflowWarningButtons[2]);
int n = pmbx->exec();
delete pmbx;
if (n == QMessageBox::Cancel)
{
return;
}
else if (n == QMessageBox::Yes)
{
/* Nothing */
}
else if (n == QMessageBox::No)
{
clearDataBase();
return;
}
else if (n == QMessageBox::Abort)
{
saveTableToHtmlFile();
return;
}
}
QString str_insert = "INSERT INTO sensors(date, ";
for (size_t i = 0; i < countColumnOfDataBase; ++i)
{
if (i < countColumnOfDataBase - 1)
{
str_insert += QString("s%1, ").arg(i+1);
}
else
{
str_insert += QString("s%1) ").arg(i+1);
}
}
str_insert += QString("VALUES ('%1', ").arg(generator->dateGenerator());
for (size_t i = 1; i <= countColumnOfDataBase; ++i)
{
if (i <= countColumnOfDataBase - 1)
{
str_insert += QString("%1, ").arg(generator->fRand(rlim[i-1][0], rlim[i-1][1]));
}
else
{
str_insert += QString("%1").arg(generator->fRand(rlim[i-1][0], rlim[i-1][1]));
}
}
str_insert += ");";
#ifdef _DEBUG
qDebug() << str_insert;
#endif
bool add_b = a_query.exec(str_insert);
if (!add_b)
{
#ifdef _DEBUG
qDebug() << "Error: INSERT INTO from table";
#endif
}
else
{
#ifdef _DEBUG
qDebug() << "Success: INSERT INTO from table";
#endif
}
formTableInSQLiteDataBase();
#ifdef _DEBUG
qDebug() << countColumnOfDataBase;
#endif
}
void DataBaseEngine::clearDataBase()
{
if (countRowsOfDataBase > 0)
{
QMessageBox *pmbx = new QMessageBox(QMessageBox::Question,
clearDataBaseSlot[0],
clearDataBaseSlot[1],
QMessageBox::Yes | QMessageBox::No);
int n = pmbx->exec();
delete pmbx;
if (n == QMessageBox::No)
{
return;
}
else if (n == QMessageBox::Yes)
{
#ifdef _DEBUG
qDebug() << "Droping Table...";
#endif
QSqlQuery a_query;
QString str_insert = "DROP TABLE sensors";
bool add_drop = a_query.exec(str_insert);
if (!add_drop)
{
#ifdef _DEBUG
qDebug() << "Error: DROP TABLE sensors";
#endif
}
else
{
#ifdef _DEBUG
qDebug() << "Success: DROP TABLE sensors";
#endif
}
createTableInSQLiteDataBase();
formTableInSQLiteDataBase();
}
}
}
void DataBaseEngine::loadTableFromHeader()
{
if (countRowsOfDataBase > 0)
{
QMessageBox *pmbx = new QMessageBox(QMessageBox::Question,
clearDataBaseSlot[0],
clearDataBaseSlot[2] + "\n"+ clearDataBaseSlot[1],
QMessageBox::Yes | QMessageBox::No);
int n = pmbx->exec();
delete pmbx;
if (n == QMessageBox::No)
{
return;
}
else if (n == QMessageBox::Yes)
{
#ifdef _DEBUG
qDebug() << "Droping Table...";
#endif
dropingTable();
}
}
QSqlQuery a_query;
for(int i = 0; i < TEMP_TABLE_ROWS; i++)
{
QString str_insert = "INSERT INTO sensors(date, ";
for (size_t j = 0; j < countColumnOfDataBase; ++j)
{
if (j < countColumnOfDataBase - 1)
{
str_insert += QString("s%1, ").arg(j+1);
}
else
{
str_insert += QString("s%1) ").arg(j+1);
}
}
str_insert += QString("VALUES ('%1', ").arg(DateT[i]);
for (size_t j = 0; j < countColumnOfDataBase; ++j)
{
if (j < countColumnOfDataBase - 1)
{
str_insert += QString("%1, ").arg(temp_table[i][j]);
}
else
{
str_insert += QString("%1").arg(temp_table[i][j]);
}
}
str_insert += ");";
#ifdef _DEBUG
qDebug() << str_insert;
#endif
bool load_table = a_query.exec(str_insert);
if (!load_table)
{
#ifdef _DEBUG
qDebug() << "Error: INSERT INTO from table";
#endif
}
else
{
#ifdef _DEBUG
qDebug() << "Success: INSERT INTO from table";
#endif
}
}
formTableInSQLiteDataBase();
}
void DataBaseEngine::saveTableToHtmlFile()
{
if (countRowsOfDataBase > 0)
{
QString fileName = QFileDialog::getSaveFileName(this,
saveHTMLFileSlot[0],
"",
saveHTMLFileSlot[1]);
QFile file(fileName);
if (!(file.open(QIODevice::WriteOnly | QIODevice::Text)))
{
#ifdef _DEBUG
QMessageBox::critical(0, errorTitleGeneral, saveHTMLFileSlot[2]);
qDebug() << "Error: " << saveHTMLFileSlot[2];
#endif
return;
}
/* Create TextStream for HTML */
QTextStream out(&file);
/* HTML Structure */
structHTML htmlPage;
htmlPage.header = "<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\" \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd\">\n"
"<html xmlns=\"http://www.w3.org/1999/xhtml\">\n"
"<head>\n"
"<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\" />\n"
"<title>HTML Table of SQLite DataBase</title></head>\n"
"<body bgcolor =\"#FFFFCC\">\n"
"<center>\n"
"<h1>Table of sensors:</h1>\n";
/* Taple properties and table header */
htmlPage.table = "<table border =\"1\" bgcolor=\"#FFFF99\" cellpadding=\"5\">\n"
"<tr>\n<td align = \"center\"><strong><i>DATE</i></strong></td>";
for (size_t i = 0; i < countColumnOfDataBase; ++i)
{
htmlPage.table += QString("<td align = \"center\"><strong>Sensor %1</strong></td>").arg(i+1);
}
htmlPage.table += "\n</tr>\n";
/************************************/
htmlPage.trOpen = "<tr>\n";
htmlPage.trClose = "</tr>\n";
htmlPage.tdOpen = "<td align = \"center\">";
htmlPage.tdClose = "</td>";
htmlPage.footer = "</table>\n"
"</center>\n"
"</body>\n"
"</html>";
out << htmlPage.header;
out << htmlPage.table;
/* Generate HTML content table */
for(size_t i = 0; i < countRowsOfDataBase; ++i)
{
/* Put DATE to HTML Table */
out << htmlPage.trOpen << htmlPage.tdOpen << sensorsDateVector[i] << htmlPage.tdClose;
/* Put Sensors Grid to HTML Table */
for(size_t j = 0; j < countColumnOfDataBase; ++j)
{
out << htmlPage.tdOpen << sensorsReadingsVector2D[i][j] << htmlPage.tdClose;
}
out << htmlPage.trClose;
}
out << htmlPage.footer;
file.close();
QMessageBox *pmbx = new QMessageBox(QMessageBox::Question,
successTitleGeneral,
QString(saveHTMLFileSlot[3]).arg(countColumnOfDataBase).arg(countRowsOfDataBase),
QMessageBox::Yes | QMessageBox::No);
int n = pmbx->exec();
delete pmbx;
if (n == QMessageBox::No)
{
return;
}
else if (n == QMessageBox::Yes)
{
/* Open HTML Table in your browser */
QDesktopServices::openUrl(QUrl::fromLocalFile(fileName));
}
}
else
{
emptyDataBaseCriticalError();
return;
}
}
void DataBaseEngine::saveTableToTextFile()
{
if(countRowsOfDataBase > 0)
{
QString fileName = QFileDialog::getSaveFileName(this,
saveTextFileSlot[0],
"",
saveTextFileSlot[1]);
QFile file(fileName);
if (!(file.open(QIODevice::WriteOnly | QIODevice::Text)))
{
#ifdef _DEBUG
QMessageBox::critical(0, errorTitleGeneral, saveTextFileSlot[2]);
qDebug() << "Error: " << saveTextFileSlot[2];
#endif
return;
}
/* Create TextStream */
QTextStream out(&file);
/* Generate txt file */
for(size_t i = 0; i < countRowsOfDataBase; ++i)
{
/* Save to txt file date */
out << sensorsDateVector[i] << "\t";
for(size_t j = 0; j < countColumnOfDataBase; ++j)
{
if (j == countColumnOfDataBase - 1)
{
out << sensorsReadingsVector2D[i][j];
}
else
{
out << sensorsReadingsVector2D[i][j] << "\t";
}
}
out << "\n";
}
file.close();
QMessageBox::information(0, successTitleGeneral, saveTextFileSlot[3].arg(countRowsOfDataBase));
}
else
{
emptyDataBaseCriticalError();
return;
}
}
void DataBaseEngine::saveTableToDataFile()
{
if (countRowsOfDataBase > 0)
{
QString fileName = QFileDialog::getSaveFileName(this,
saveDataFileSlot[0], "",
saveDataFileSlot[1]);
QFile file(fileName);
if (!(file.open(QIODevice::WriteOnly)))
{
#ifdef _DEBUG
QMessageBox::critical(0, errorTitleGeneral, saveDataFileSlot[2]);
qDebug() << "Error: " << saveDataFileSlot[2];
#endif
return;
}
/* DataStream to save */
QDataStream out(&file);
/* Get global variables */
const unsigned int row = countRowsOfDataBase;
const unsigned int col = countColumnOfDataBase;
/* Save MagicNumber to stream */
out << (quint32)MagicNumber;
/* Save global variables to stream */
out << row;
out << col;
/* Loop for save arr to stream */
for(size_t i = 0; i < row; ++i)
{
/* Date */
out << sensorsDateVector[i];
/* Sensors */
for(size_t j = 0; j < col; ++j)
{
out << sensorsReadingsVector2D[i][j];
}
}
file.close();
QMessageBox::information(0, successTitleGeneral, saveDataFileSlot[3].arg(countRowsOfDataBase));
}
else
{
emptyDataBaseCriticalError();
return;
}
}
void DataBaseEngine::loadTableFromTextFile()
{
QString fileName = QFileDialog::getOpenFileName(this,
loadTextFileSlot[0],
"",
loadTextFileSlot[1]);
QFile read_file(fileName);
QString all_file;
#ifdef _DEBUG
qDebug() << fileName;
#endif
if(read_file.open(QIODevice::ReadOnly | QIODevice::Text))
{
QTextStream out(&read_file);
out.setCodec("UTF-8");
all_file = out.readAll();
}
else
{
#ifdef _DEBUG
QMessageBox::critical(0, errorTitleGeneral, loadTextFileSlot[2]);
qDebug() << "Error: " << loadDataFileSlot[2];
#endif
return;
}
/* Clearing extern arrays */
sensorsDateVector.clear();
sensorsReadingsVector2D.clear();
/* Read ALL contains text file in QStringList */
QStringList temp = all_file.split("\n");
/* The calculation count of the first row...
* Maybe loop for check all contains text file?
* - Relesed 3/5/2013
*/
/* RegExp for check string to Float/Double */
QRegExp exp("^[-+]?[0-9]*\\.?[0-9]+([eE][-+]?[0-9]+)?$");
QString forCountRow = temp.at(0);
/* Loop to verify that a text file with the table */
for (int i = 0; i < temp.size() - 1; ++i)
{
QString forCountRowTmp = temp.at(i);
if((size_t)forCountRowTmp.count('\t') != countColumnOfDataBase)
{
QMessageBox *warnCountRow = new QMessageBox(QMessageBox::Information,
overflowWarningTitle,
loadTextFileSlot[3].arg(countColumnOfDataBase+1)
.arg(forCountRowTmp.count('\t')+1),
QMessageBox::Ok);
int n = warnCountRow->exec();
delete warnCountRow;
if(n == QMessageBox::Ok)
{
return;
}
}
#ifdef _DEBUG
qDebug() << "temp.at(0) is:" << forCountRowTmp;
qDebug() << "Tabs in row:" << forCountRowTmp.count('\t');
qDebug() << "temp.size() is:" << temp.size();
#endif
}
/* Loop to check arr with RegExp */
for(int i = 0; i < temp.size() - 1; ++i)
{
for(int j = 0; j < forCountRow.count('\t') + 1; ++j)
{
if(exp.indexIn(temp.at(i).split("\t").at(j)) == -1)
{
QMessageBox::information(0, errorTitleGeneral, loadTextFileSlot[4].arg(temp.at(i).split("\t").at(j)));
return;
}
}
}
/* Loop to fill the imatrix_ext/imatrix_ext_data array */
for(int i = 0; i < temp.size() - 1; ++i)
{
QVector<double> temp_vec;
sensorsDateVector.push_back(temp.at(i).split("\t").at(0));
for(int j = 1; j < forCountRow.count('\t') + 1; ++j)
{
/* Why j == 8? Need to implement a function(or not?)
* That counts the number of values in the row.
* - Released 3/5/2013
- Fixed 3/19/2013 */
temp_vec.push_back(temp.at(i).split("\t").at(j).toDouble());
}
sensorsReadingsVector2D.push_back(temp_vec);
}
countRowsOfDataBase = temp.size() - 1;
countColumnOfDataBase = forCountRow.count('\t');
#ifdef _DEBUG
qDebug() << "countRowsOfDataBase" << countRowsOfDataBase;
qDebug() << "countColumnOfDataBase" << countColumnOfDataBase;
#endif
read_file.close();
showTableModelOfVectors();
QMessageBox *pmbx = new QMessageBox(QMessageBox::Information,
successTitleGeneral,
loadTextFileSlot[5].arg(temp.size() - 1),
QMessageBox::Yes | QMessageBox::No);
int n = pmbx->exec();
delete pmbx;
if (n == QMessageBox::No)
{
return;
}
else if (n == QMessageBox::Yes)
{
#ifdef _DEBUG
qDebug() << sensorsDateVector;
#endif
lineChartWidget = new LineChartWidget(sensorsDateVector, sensorsReadingsVector2D);
lineChartWidget->show();
}
}
void DataBaseEngine::loadTableFromDataFile()
{
QString fileName = QFileDialog::getOpenFileName(this,
loadDataFileSlot[0],
"",
loadDataFileSlot[1]);
QFile file(fileName);
QDataStream in(&file);
if (!(file.open((QIODevice::ReadOnly))))
{
#ifdef _DEBUG
QMessageBox::critical(0, errorTitleGeneral, loadDataFileSlot[2]);
qDebug() << "Error: " << loadDataFileSlot[2];
#endif
return;
}
/* Clear extern arrays */
sensorsDateVector.clear();
sensorsReadingsVector2D.clear();
/* Variables */
unsigned int row_str;
unsigned int col_str;
QString dateTemp;
quint32 magic;
double temp;
/* Read and check MagicNumber */
in >> magic;
if (magic != MagicNumber)
{
QMessageBox::critical(0, errorTitleGeneral, loadDataFileSlot[3]);
return;
}
/* Read count row and col */
in >> row_str;
in >> col_str;
#ifdef _DEBUG
qDebug() << "\"row\" is" << row_str << "\"col\" is" << col_str;
#endif
for (size_t i = 0; i < row_str; ++i)
{
QVector<double> temp_vec;
in >> dateTemp;
sensorsDateVector.push_back(dateTemp);
// qDebug() << dateTemp;
for (size_t j = 0; j < col_str; ++j)
{
in >> temp;
temp_vec.push_back(temp);
}
sensorsReadingsVector2D.push_back(temp_vec);
}
countRowsOfDataBase = row_str; // Row. Succes!
#ifdef _DEBUG
qDebug() << "****************************************************" << col_str;
#endif
countColumnOfDataBase = col_str; // Column. Succes!
#ifdef _DEBUG
qDebug() << "Success read \"*.dat\" to array!";
#endif
file.close();
showTableModelOfVectors();
QMessageBox *pmbx = new QMessageBox(QMessageBox::Information,
successTitleGeneral,
loadDataFileSlot[4].arg(row_str),
QMessageBox::Yes | QMessageBox::No);
int n = pmbx->exec();
delete pmbx;
if (n == QMessageBox::No)
{
return;
}
else if (n == QMessageBox::Yes)
{
#ifdef _DEBUG
qDebug() << sensorsDateVector;
#endif
lineChartWidget = new LineChartWidget(sensorsDateVector, sensorsReadingsVector2D);
lineChartWidget->show();
}
}
void DataBaseEngine::changeTableModel()
{
if (switchTableModel && countRowsOfDataBase > 0)
{
tableViewWidget->setModel(tableModelOfVectors);
tableViewWidget->selectRow(0);
switchTableModel = false;
}
else
{
formTableInSQLiteDataBase();
tableViewWidget->setModel(sqlTableModel);
tableViewWidget->selectRow(0);
switchTableModel = true;
}
}
void DataBaseEngine::setNoEditTablePolicy()
{
tableViewWidget->setEditTriggers(QAbstractItemView::NoEditTriggers);
}
void DataBaseEngine::setEditTablePolicy()
{
tableViewWidget->setEditTriggers(QAbstractItemView::DoubleClicked);
}
/* Private */
void DataBaseEngine::readDataBaseTableToVectors(QSqlQuery &a_query)
{
sensorsReadingsVector2D.clear();
sensorsDateVector.clear();
if (!a_query.exec("SELECT * FROM sensors"))
{
#ifdef _DEBUG
qDebug() << "Error: SELECT from table";
#endif
}
QSqlRecord rec = a_query.record();
while (a_query.next())
{
QVector<double> temp;
/* To Add Date to Vector */
sensorsDateVector.push_back(a_query.value(rec.indexOf("date")).toString());
/* To Add Sensor Readings to 2D Vector */
for (size_t i = 0; i < countColumnOfDataBase; ++i)
{
temp.push_back(a_query.value(rec.indexOf(QString("s%1").arg(i+1))).toDouble());
}
sensorsReadingsVector2D.push_back(temp);
}
tableModelOfVectors->setCurrencyVectors(sensorsDateVector, sensorsReadingsVector2D);
#ifdef _DEBUG
printVector2DDebug();
#endif
}
#ifdef _DEBUG
void DataBaseEngine::printVector2DDebug()
{
const size_t row = sqlTableModel->rowCount();
const size_t col = countColumnOfDataBase;
for(size_t i = 0; i < row; ++i)