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authortpearson <tpearson@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2010-01-09 06:41:55 +0000
committertpearson <tpearson@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2010-01-09 06:41:55 +0000
commit8bec1dda934fa75cbb1402c58cb879b23305dc40 (patch)
treeb4294963397117f1cf022e7a62452697df996de3 /src/valuemanager.cpp
downloadabakus-8bec1dda934fa75cbb1402c58cb879b23305dc40.tar.gz
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Add abakus
git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/applications/abakus@1071969 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
Diffstat (limited to 'src/valuemanager.cpp')
-rw-r--r--src/valuemanager.cpp105
1 files changed, 105 insertions, 0 deletions
diff --git a/src/valuemanager.cpp b/src/valuemanager.cpp
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+++ b/src/valuemanager.cpp
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+/*
+ * valuemanager.cpp - part of abakus
+ * Copyright (C) 2004, 2005 Michael Pyne <[email protected]>
+ *
+ * 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02110-1301 USA
+ */
+#include <kdebug.h>
+#include <klocale.h>
+
+#include <qregexp.h>
+
+#include "numerictypes.h"
+#include "valuemanager.h"
+
+ValueManager *ValueManager::m_manager = 0;
+
+ValueManager *ValueManager::instance()
+{
+ if(!m_manager)
+ m_manager = new ValueManager;
+
+ return m_manager;
+}
+
+ValueManager::ValueManager(QObject *parent, const char *name) :
+ QObject(parent, name)
+{
+ m_values.insert("pi", Abakus::number_t::PI);
+ m_values.insert("e", Abakus::number_t::E);
+}
+
+Abakus::number_t ValueManager::value(const QString &name) const
+{
+ return m_values[name];
+}
+
+bool ValueManager::isValueSet(const QString &name) const
+{
+ return m_values.contains(name);
+}
+
+bool ValueManager::isValueReadOnly(const QString &name) const
+{
+ QRegExp readOnlyValues("^(ans|pi|e|stackCount)$");
+
+ return name.find(readOnlyValues) != -1;
+}
+
+void ValueManager::setValue(const QString &name, const Abakus::number_t value)
+{
+ if(m_values.contains(name) && this->value(name) != value)
+ emit signalValueChanged(name, value);
+ else if(!m_values.contains(name))
+ emit signalValueAdded(name, value);
+
+ m_values.replace(name, value);
+}
+
+void ValueManager::removeValue(const QString &name)
+{
+ if(m_values.contains(name))
+ emit signalValueRemoved(name);
+
+ m_values.remove(name);
+}
+
+void ValueManager::slotRemoveUserVariables()
+{
+ QStringList vars = valueNames();
+
+ for(QStringList::ConstIterator var = vars.constBegin(); var != vars.constEnd(); ++var)
+ if(!isValueReadOnly(*var))
+ removeValue(*var);
+}
+
+QStringList ValueManager::valueNames() const
+{
+ return m_values.keys();
+}
+
+QString ValueManager::description(const QString &valueName)
+{
+ if(valueName == "e")
+ return i18n("Natural exponential base - 2.7182818");
+ if(valueName == "pi")
+ return i18n("pi (π) - 3.1415926");
+
+ return QString();
+}
+
+#include "valuemanager.moc"
+
+// vim: set et ts=8 sw=4 encoding=utf-8: