KisDialogStateSaver.cpp

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 /*
 *  SPDX-FileCopyrightText: 2019 Boudewijn Rempt <boud@kde.org>
 *
 *  SPDX-License-Identifier: GPL-2.0-or-later
 */
#include "KisDialogStateSaver.h"
 
#include <ksharedconfig.h>
#include <kconfiggroup.h>
 
#include <QDebug>
#include <QCheckBox>
#include <QComboBox>
#include <QLineEdit>
#include <QTextEdit>
#include <QAbstractSlider>
#include <QSpinBox>
#include <QDoubleSpinBox>
#include <QGroupBox>
#include <QRadioButton>
 
#include "kis_int_parse_spin_box.h"
#include "kis_double_parse_spin_box.h"
#include "kis_double_parse_unit_spin_box.h"
#include "kis_slider_spin_box.h"
 
 
void KisDialogStateSaver::saveState(QWidget *parent, const QString &dialogName)
{
    Q_ASSERT(parent);
    Q_ASSERT(!dialogName.isEmpty());
 
    KConfigGroup group(KSharedConfig::openConfig(), dialogName);
    Q_FOREACH(QWidget *widget, parent->findChildren<QWidget*>(QString())) {
 
        if (!widget->objectName().isEmpty() ) {
            if (qobject_cast<KisIntParseSpinBox*>(widget)) {
                group.writeEntry(widget->objectName(), qobject_cast<KisIntParseSpinBox*>(widget)->value());
            }
            else if (qobject_cast<KisDoubleParseSpinBox*>(widget)) {
                group.writeEntry(widget->objectName(), qobject_cast<KisDoubleParseSpinBox*>(widget)->value());
            }
            else if (qobject_cast<KisDoubleParseUnitSpinBox*>(widget)) {
                // XXX: also save the unit
                group.writeEntry(widget->objectName(), qobject_cast<KisDoubleParseUnitSpinBox*>(widget)->value());
            }
            else if (qobject_cast<QCheckBox*>(widget)) {
                group.writeEntry(widget->objectName(), qobject_cast<const QCheckBox*>(widget)->isChecked());
            }
            else if (qobject_cast<QComboBox*>(widget)) {
                group.writeEntry(widget->objectName(), qobject_cast<QComboBox*>(widget)->currentIndex());
            }
            else if (qobject_cast<QLineEdit*>(widget)) {
                group.writeEntry(widget->objectName(), qobject_cast<QLineEdit*>(widget)->text());
            }
            else if (qobject_cast<QTextEdit*>(widget)) {
                group.writeEntry(widget->objectName(), qobject_cast<QTextEdit *>(widget)->toPlainText());
            }
            else if (qobject_cast<QAbstractSlider*>(widget)) {
                group.writeEntry(widget->objectName(), qobject_cast<QAbstractSlider*>(widget)->value());
            }
            else if (qobject_cast<QSpinBox*>(widget)) {
                group.writeEntry(widget->objectName(), qobject_cast<QSpinBox*>(widget)->value());
            }
            else if (qobject_cast<QDoubleSpinBox*>(widget)) {
                group.writeEntry(widget->objectName(), qobject_cast<QDoubleSpinBox*>(widget)->value());
            }
            else if (qobject_cast<QRadioButton*>(widget)) {
                group.writeEntry(widget->objectName(), qobject_cast<QRadioButton*>(widget)->isChecked());
            }
            else if (qobject_cast<KisSliderSpinBox*>(widget)){
                group.writeEntry(widget->objectName(), qobject_cast<KisSliderSpinBox*>(widget)->value());
            }
 
            else {
                //qWarning() << "Cannot save state for object" << widget;
            }
        }
        else {
            qWarning() << "Dialog" << dialogName << "has a widget without an objectName:" << widget;
        }
 
    }
}
 
void KisDialogStateSaver::restoreState(QWidget *parent, const QString &dialogName, const QMap<QString, QVariant> &defaults)
{
    Q_ASSERT(parent);
    Q_ASSERT(!dialogName.isEmpty());
 
    KConfigGroup group( KSharedConfig::openConfig(), dialogName);
 
    Q_FOREACH(QWidget *widget, parent->findChildren<QWidget*>(QString())) {
 
        if (!widget->objectName().isEmpty()) {
 
            QString widgetName = widget->objectName();
 
            QVariant defaultValue;
            if (defaults.contains(widgetName)) {
                defaultValue = defaults[widgetName];
            }
 
            if (qobject_cast<KisIntParseSpinBox*>(widget)) {
                if (defaultValue.isValid()) {
                    qobject_cast<KisIntParseSpinBox*>(widget)->setValue(defaultValue.toInt());
                }
                else {
                    qobject_cast<KisIntParseSpinBox*>(widget)->setValue(group.readEntry<int>(widgetName, qobject_cast<KisIntParseSpinBox*>(widget)->value()));
                }
            }
            else if (qobject_cast<KisDoubleParseSpinBox*>(widget)) {
                if (defaultValue.isValid()) {
                    qobject_cast<KisDoubleParseSpinBox*>(widget)->setValue(defaultValue.toInt());
                }
                else {
                    qobject_cast<KisDoubleParseSpinBox*>(widget)->setValue(group.readEntry<int>(widgetName, qobject_cast<KisDoubleParseSpinBox*>(widget)->value()));
                }
            }
            else if (qobject_cast<KisDoubleParseUnitSpinBox*>(widget)) {
                if (defaultValue.isValid()) {
                    qobject_cast<KisDoubleParseUnitSpinBox*>(widget)->setValue(defaultValue.toInt());
                }
                else {
                    qobject_cast<KisDoubleParseUnitSpinBox*>(widget)->setValue(group.readEntry<int>(widgetName, qobject_cast<KisDoubleParseUnitSpinBox*>(widget)->value()));
                }
            }
            else if (qobject_cast<QCheckBox*>(widget)) {
                if (defaultValue.isValid()) {
                    qobject_cast<QCheckBox*>(widget)->setChecked(defaultValue.toBool());
                }
                else {
                    qobject_cast<QCheckBox*>(widget)->setChecked(group.readEntry<bool>(widgetName, qobject_cast<QCheckBox*>(widget)->isChecked()));
                }
            }
            else if (qobject_cast<QComboBox*>(widget)) {
                if (defaultValue.isValid()) {
                    qobject_cast<QComboBox*>(widget)->setCurrentIndex(defaultValue.toInt());
                }
                else {
                    qobject_cast<QComboBox*>(widget)->setCurrentIndex(group.readEntry<int>(widgetName, qobject_cast<QComboBox*>(widget)->currentIndex()));
                }
            }
            else if (qobject_cast<QLineEdit*>(widget)) {
                if (defaultValue.isValid()) {
                    qobject_cast<QLineEdit*>(widget)->setText(defaultValue.toString());
                }
                else {
                    qobject_cast<QLineEdit*>(widget)->setText(group.readEntry<QString>(widgetName, qobject_cast<QLineEdit*>(widget)->text()));
                }
            }
            else if (qobject_cast<QTextEdit *>(widget)) {
                if (defaultValue.isValid()) {
                    qobject_cast<QTextEdit *>(widget)->setPlainText(defaultValue.toString());
                } else {
                    qobject_cast<QTextEdit *>(widget)->setPlainText(group.readEntry<QString>(widgetName, qobject_cast<QTextEdit *>(widget)->toPlainText()));
                }
            }
            else if (qobject_cast<QAbstractSlider*>(widget)) {
                if (defaultValue.isValid()) {
                    qobject_cast<QAbstractSlider*>(widget)->setValue(defaultValue.toInt());
                }
                else {
                    qobject_cast<QAbstractSlider*>(widget)->setValue(group.readEntry<int>(widgetName, qobject_cast<QAbstractSlider*>(widget)->value()));
                }
            }
            else if (qobject_cast<QSpinBox*>(widget)) {
                if (defaultValue.isValid()) {
                    qobject_cast<QSpinBox*>(widget)->setValue(defaultValue.toInt());
                }
                else {
                    qobject_cast<QSpinBox*>(widget)->setValue(group.readEntry<int>(widgetName, qobject_cast<QSpinBox*>(widget)->value()));
                }
            }
            else if (qobject_cast<QDoubleSpinBox*>(widget)) {
                if (defaultValue.isValid()) {
                    qobject_cast<QDoubleSpinBox*>(widget)->setValue(defaultValue.toDouble());
                }
                else {
                    qobject_cast<QDoubleSpinBox*>(widget)->setValue(group.readEntry<int>(widgetName, qobject_cast<QDoubleSpinBox*>(widget)->value()));
                }
            }
            else if (qobject_cast<QRadioButton*>(widget)) {
                if (defaultValue.isValid()) {
                    qobject_cast<QRadioButton*>(widget)->setChecked(defaultValue.toBool());
                }
                else {
                    qobject_cast<QRadioButton*>(widget)->setChecked(group.readEntry<bool>(widgetName, qobject_cast<QRadioButton*>(widget)->isChecked()));
                }
            }
            else if (qobject_cast<KisSliderSpinBox*>(widget)) {
                if (defaultValue.isValid()) {
                    qobject_cast<KisSliderSpinBox*>(widget)->setValue(defaultValue.toInt());
                }
                else {
                    qobject_cast<KisSliderSpinBox*>(widget)->setValue(group.readEntry<int>(widgetName, qobject_cast<KisSliderSpinBox*>(widget)->value()));
                }
            }
 
            else {
                //qWarning() << "Cannot restore state for object" << widget;
            }
        }
        else {
            qWarning() << "Dialog" << dialogName << "has a widget without an object name:" << widget;
        }
    }
}