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/*
Copyright (C) 2021 Srivats P.
This file is part of "Ostinato"
This is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>
*/
#include "mandatoryfieldsgroup.h"
// No need for QDateEdit, QSpinBox, etc., since these always return values
#include <QCheckBox>
#include <QComboBox>
#include <QLineEdit>
#include <QPushButton>
#include <QWidget>
void MandatoryFieldsGroup::add(QWidget *widget)
{
if (!widgets_.contains(widget)) {
if (widget->inherits("QCheckBox"))
connect(qobject_cast<QCheckBox*>(widget),
SIGNAL(clicked()),
this, SLOT(changed()));
else if (widget->inherits("QComboBox"))
connect(qobject_cast<QComboBox*>(widget),
SIGNAL(highlighted(int)),
this, SLOT(changed()));
else if (widget->inherits("QLineEdit"))
connect(qobject_cast<QLineEdit*>(widget),
SIGNAL(textChanged(const QString&)),
this, SLOT(changed()));
else {
qWarning("MandatoryFieldsGroup: unsupported class %s",
widget->metaObject()->className());
return;
}
widgets_.append(widget);
changed();
}
}
void MandatoryFieldsGroup::remove(QWidget *widget)
{
widgets_.removeAll(widget);
changed();
}
void MandatoryFieldsGroup::setSubmitButton(QPushButton *button)
{
if (submitButton_ && submitButton_ != button)
submitButton_->setEnabled(true);
submitButton_ = button;
changed();
}
void MandatoryFieldsGroup::changed()
{
if (!submitButton_)
return;
bool enable = true;
for (auto widget : widgets_) {
// Invisible mandatory widgets are treated as non-mandatory
if (!widget->isVisible())
continue;
if (widget->inherits("QCheckBox")) {
// Makes sense only for tristate checkbox
auto checkBox = qobject_cast<const QCheckBox*>(widget);
if (checkBox->checkState() == Qt::PartiallyChecked) {
enable = false;
break;
} else
continue;
}
if (widget->inherits("QComboBox")) {
auto comboBox = qobject_cast<const QComboBox*>(widget);
if (comboBox->currentText().isEmpty()) {
enable = false;
break;
} else
continue;
}
if (widget->inherits("QLineEdit")) {
auto lineEdit = qobject_cast<const QLineEdit*>(widget);
if (lineEdit->text().isEmpty()
|| !lineEdit->hasAcceptableInput()) {
enable = false;
break;
} else
continue;
}
}
submitButton_->setEnabled(enable);
}
void MandatoryFieldsGroup::clear()
{
widgets_.clear();
if (submitButton_) {
submitButton_->setEnabled(true);
submitButton_ = nullptr;
}
}
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