void fitDialog::showFunctionsList(int category)
{
boxUseBuiltIn->setChecked(false);
boxUseBuiltIn->setEnabled(false);
boxUseBuiltIn->hide();
buttonPlugins->hide();
btnDelFunc->setEnabled(false);
funcBox->clear();
switch (category)
{
case 0:
if ((int)userFunctionNames.size() > 0)
{
showUserFunctions();
boxUseBuiltIn->setEnabled(true);
}
boxUseBuiltIn->setText(tr("Fit with selected &user function"));
boxUseBuiltIn->show();
btnDelFunc->setEnabled(true);
break;
case 1:
boxUseBuiltIn->setText(tr("Fit using &built-in function"));
boxUseBuiltIn->show();
boxUseBuiltIn->setEnabled(true);
funcBox->insertStringList(builtInFunctionNames, -1);
break;
case 2:
showParseFunctions();
break;
case 3:
buttonPlugins->show();
boxUseBuiltIn->setText(tr("Fit using &plugin function"));
boxUseBuiltIn->show();
if ((int)pluginFunctionNames.size() > 0)
{
funcBox->insertStringList(pluginFunctionNames, -1);
boxUseBuiltIn->setEnabled(true);
}
break;
}
funcBox->setCurrentItem(0);
showExpression(0);
}
void FitDialog::saveUserFunction()
{
if (editBox->text().isEmpty())
{
QMessageBox::critical(this, tr("Input function error"), tr("Please enter a valid function!"));
editBox->setFocus();
return;
}
else if (boxName->text().isEmpty())
{
QMessageBox::critical(this, tr("Input function error"),
tr("Please enter a function name!"));
boxName->setFocus();
return;
}
else if (boxParam->text().remove(QRegExp("[,;\\s]")).isEmpty())
{
QMessageBox::critical(this, tr("Input function error"),
tr("Please enter at least one parameter name!"));
boxParam->setFocus();
return;
}
if (d_built_in_function_names.contains(boxName->text()))
{
QMessageBox::critical(this, tr("Error: function name"),
"<p><b>" + boxName->text() + "</b>" + tr(" is a built-in function name"
"<p>You must choose another name for your function!"));
editBox->setFocus();
return;
}
if (editBox->text().contains(boxName->text()))
{
QMessageBox::critical(this, tr("Input function error"),
tr("You can't define functions recursevely!"));
editBox->setFocus();
return;
}
QString name = boxName->text();
QString f = name + "(x, " + boxParam->text() + ")=" + editBox->text().remove("\n");
if (d_user_function_names.contains(name))
{
int index = d_user_function_names.indexOf(name);
d_user_functions[index] = f;
d_user_function_params[index] = boxParam->text();
if (funcBox->currentItem()->text() == name)
showExpression(index);
}
else
{
d_user_function_names << name;
d_user_functions << f;
d_user_function_params << boxParam->text();
if (categoryBox->currentRow() == 0)
{
funcBox->addItem(name);
funcBox->setCurrentRow (funcBox->count()-1);
}
if (d_user_function_names.count()>0 && !boxUseBuiltIn->isEnabled() && categoryBox->currentRow() == 0)
boxUseBuiltIn->setEnabled(true);
}
buttonClearUsrList->setEnabled(true);
emit saveFunctionsList(d_user_functions);
}
void fitDialog::saveUserFunction()
{
if (editBox->text().isEmpty())
{
QMessageBox::critical(0, tr("QtiPlot - Input function error"),
tr("Please enter a valid function!"));
editBox->setFocus();
return;
}
else if (boxName->text().isEmpty())
{
QMessageBox::critical(0, tr("QtiPlot - Input function error"),
tr("Please enter a function name!"));
boxName->setFocus();
return;
}
else if (boxParam->text().remove(QRegExp("[,;\\s]")).isEmpty())
{
QMessageBox::critical(0, tr("QtiPlot - Input function error"),
tr("Please enter at least one parameter name!"));
boxParam->setFocus();
return;
}
if (builtInFunctionNames.contains(boxName->text()))
{
QMessageBox::critical(0, tr("QtiPlot - Error: function name"),
"<p><b>"+boxName->text()+ "</b>"+tr(" is a built-in function name"
"<p>You must choose another name for your function!"));
editBox->setFocus();
return;
}
if (editBox->text().contains(boxName->text()))
{
QMessageBox::critical(0, tr("QtiPlot - Input function error"),
tr("You can't define functions recursevely!"));
editBox->setFocus();
return;
}
QString name = boxName->text();
QString f = name +"(x, " + boxParam->text() + ")="+editBox->text().remove("\n");
if (userFunctionNames.contains(name))
{
int index = userFunctionNames.findIndex(name);
userFunctions[index] = f;
userFunctionParams[index] = boxParam->text();
if (funcBox->currentText() == name)
showExpression(index);
}
else
{
userFunctionNames << name;
userFunctions << f;
userFunctionParams << boxParam->text();
if (categoryBox->currentItem() == 0)
{
funcBox->insertItem(name, -1);
funcBox->setCurrentItem(funcBox->numRows()-1);
}
if ((int)userFunctionNames.count()>0 && !boxUseBuiltIn->isEnabled() && categoryBox->currentItem() == 0)
boxUseBuiltIn->setEnabled(true);
}
emit saveFunctionsList(userFunctions);
}
