QFDlgCSVParameters::QFDlgCSVParameters(QWidget* parent, QString columnSeparator, QString decimalSeparator, QString commentStart, QString headerStart):
QFDialog(parent), ui(new Ui::QFDlgCSVParameters)
{
colselcombos=0;
tabmodel=new QFTableModel(this);
ui->setupUi(this);
ui->widConfig->registerWidget("column_separator", ui->edtColumn);
ui->widConfig->registerWidget("comment_start", ui->edtComment);
ui->widConfig->registerWidget("decimal_separator", ui->edtDecimal);
ui->widConfig->registerWidget("header_start", ui->edtHeader);
ui->widConfig->setFilename(QFPluginServices::getInstance()->getConfigFileDirectory()+QString("/csvdlg_csvconfig.ini"));
ui->edtColumn->setText(QString(columnSeparator));
//if (QString(columnSeparator).isEmpty()) ui->edtColumn->setEnabled(false);
ui->edtDecimal->setText(QString(decimalSeparator));
//if (QString(decimalSeparator).isEmpty()) ui->edtDecimal->setEnabled(false);
ui->edtComment->setText(QString(commentStart));
//if (QString(commentStart).isEmpty()) ui->edtComment->setEnabled(false);
ui->edtHeader->setText(headerStart);
//if (headerStart.isEmpty()) ui->edtHeader->setEnabled(false);
connect(ui->buttonBox, SIGNAL(accepted()), this, SLOT(checkValues()));
ui->tableView->setModel(tabmodel);
ProgramOptions::getConfigWindowGeometry(this, "QFDlgCSVParameters/window/");
ProgramOptions::getConfigQSplitter(ui->splitter, "QFDlgCSVParameters/splitter/");
ui->widConfig->setCurrentConfig(ProgramOptions::getConfigValue("QFDlgCSVParameters/config/", "").toString());
setShowColumnsSelection(false);
ui->lstColumns->setModel(&colslistCheckable);
guessParameters();
setWindowFlags(windowFlags()|Qt::WindowMinMaxButtonsHint);
}
bool NonLinearFit::setFormula(const QString& s, bool guess)
{
if (s.isEmpty()){
QMessageBox::critical((ApplicationWindow *)parent(), tr("QtiPlot - Input function error"),
tr("Please enter a valid non-empty expression! Operation aborted!"));
d_init_err = true;
return false;
}
if (d_formula == s)
return true;
if (guess)
setParametersList(guessParameters(s));
if (!d_p){
QMessageBox::critical((ApplicationWindow *)parent(), tr("QtiPlot - Fit Error"),
tr("There are no parameters specified for this fit operation. Please define a list of parameters first!"));
d_init_err = true;
return false;
}
try {
double *param = new double[d_p];
MyParser parser;
double xvar;
parser.DefineVar("x", &xvar);
for (int k = 0; k < (int)d_p; k++){
param[k] = gsl_vector_get(d_param_init, k);
parser.DefineVar(d_param_names[k].ascii(), ¶m[k]);
}
QMapIterator<QString, double> i(d_constants);
while (i.hasNext()) {
i.next();
parser.DefineConst(i.key().ascii(), i.value());
}
parser.SetExpr(s.ascii());
parser.Eval() ;
delete[] param;
} catch(mu::ParserError &e){
QMessageBox::critical((ApplicationWindow *)parent(), tr("QtiPlot - Input function error"), QString::fromStdString(e.GetMsg()));
d_init_err = true;
return false;
}
d_init_err = false;
d_formula = s;
return true;
}
void QFDlgCSVParameters::setFileContents(const QString& filename) {
QString preview="";
QFile file(filename);
if (file.open(QIODevice::ReadOnly | QIODevice::Text)) {
QTextStream in(&file);
while (!in.atEnd()) {
preview=preview + in.readLine() +"\n";
}
file.close();
}
file_contents=preview;
this->filename=filename;
ui->txtContents->setPlainText(preview);
guessParameters();
reloadCSV();
for (int i=0; i<colCmb.size(); i++) {
colCmb[i]->setCurrentIndex(i);
}
}
