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/*
Copyright (C) 2001 - 2013 Evan Teran
evan.teran@gmail.com
Copyright (C) 2003 - 2005 Klaus Niederkrueger
kniederk@math.uni-koeln.de
This program 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 2 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 "kcalc_const_menu.h"
#include <QDebug>
#include <QDomDocument>
#include <QFile>
#include <QStandardPaths>
#include <KLocalizedString>
namespace {
QList<science_constant> Constants;
ConstantCategory stringToCategory(const QString &s) {
if (s == QLatin1String("mathematics")) {
return Mathematics;
}
if (s == QLatin1String("electromagnetism")) {
return Electromagnetic;
}
if (s == QLatin1String("nuclear")) {
return Nuclear;
}
if (s == QLatin1String("thermodynamics")) {
return Thermodynamics;
}
if (s == QLatin1String("gravitation")) {
return Gravitation;
}
qDebug() << "Invalid Category For Constant: " << s;
return Mathematics;
}
}
void KCalcConstMenu::init_consts() {
QDomDocument doc(QStringLiteral("list_of_constants"));
QFile file(QStandardPaths::locate(QStandardPaths::DataLocation, QStringLiteral("scienceconstants.xml")));
if (!file.open(QIODevice::ReadOnly)) {
qDebug() << "Did not find file \"scienceconstants.xml\". No constants will be available.";
return;
}
if (!doc.setContent(&file)) {
file.close();
qDebug() << "The file \"scienceconstants.xml\" does not seem to be a valid description file. No constants will be available.";
return;
}
file.close();
// print out the element names of all elements that are direct children
// of the outermost element.
QDomElement docElem = doc.documentElement();
int i = 0;
QDomNode n = docElem.firstChild();
while (!n.isNull()) {
QDomElement e = n.toElement(); // try to convert the node to an element.
if (!e.isNull() && e.tagName() == QLatin1String("constant")) {
science_constant tmp_const;
tmp_const.name = I18N_NOOP(e.attributeNode(QLatin1String("name")).value());
tmp_const.label = e.attributeNode(QStringLiteral("symbol")).value();
tmp_const.value = e.attributeNode(QStringLiteral("value")).value();
QString tmp_str_category = e.attributeNode(QStringLiteral("category")).value();
tmp_const.category = stringToCategory(tmp_str_category);
tmp_const.whatsthis = e.firstChildElement(QStringLiteral("description")).text();
Constants.append(tmp_const);
}
n = n.nextSibling();
i++;
}
}
void KCalcConstMenu::init_all()
{
QMenu *math_menu = addMenu(i18n("Mathematics"));
QMenu *em_menu = addMenu(i18n("Electromagnetism"));
QMenu *nuclear_menu = addMenu(i18n("Atomic && Nuclear"));
QMenu *thermo_menu = addMenu(i18n("Thermodynamics"));
QMenu *gravitation_menu = addMenu(i18n("Gravitation"));
connect(this, &KCalcConstMenu::triggered, this, &KCalcConstMenu::slotPassSignalThrough);
for (int i = 0; i < Constants.size(); i++) {
QAction *tmp_action = new QAction(i18n(Constants.at(i).name.toLatin1().data()), this);
tmp_action->setData(QVariant(i));
if (Constants.at(i).category & Mathematics)
math_menu->addAction(tmp_action);
if (Constants.at(i).category & Electromagnetic)
em_menu->addAction(tmp_action);
if (Constants.at(i).category & Nuclear)
nuclear_menu->addAction(tmp_action);
if (Constants.at(i).category & Thermodynamics)
thermo_menu->addAction(tmp_action);
if (Constants.at(i).category & Gravitation)
gravitation_menu->addAction(tmp_action);
}
}
void KCalcConstMenu::slotPassSignalThrough(QAction *chosen_const)
{
bool tmp_bool;
int chosen_const_idx = (chosen_const->data()).toInt(& tmp_bool);
emit triggeredConstant(Constants.at(chosen_const_idx));
}
KCalcConstMenu::KCalcConstMenu(const QString &title, QWidget * parent)
: QMenu(title, parent)
{
init_all();
}
KCalcConstMenu::KCalcConstMenu(QWidget * parent)
: QMenu(parent)
{
init_all();
}
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