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