Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdeedu@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 153 insertions, 0 deletions

diff --git a/kalzium/src/molcalcwidget.cpp b/kalzium/src/molcalcwidget.cpp
new file mode 100644
index 00000000..c9947eda
--- /dev/null
+++ b/kalzium/src/molcalcwidget.cpp
@@ -0,0 +1,153 @@
+/***************************************************************************
+ *   Copyright (C) 2003-2005 by Carsten Niehaus, cniehaus@kde.org          *
+ *   Copyright (C) 2005      by Inge Wallin,     inge@lysator.liu.se       *
+ *                                                                         *
+ *   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.,                                       *
+ *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.          *
+ *                                                                         *
+ ***************************************************************************/
+
+
+#include "molcalcwidget.h"
+
+#include "kalziumdataobject.h"
+#include "molcalcwidgetbase.h"
+#include "element.h"
+#include "kalziumutils.h"
+#include "parser.h"
+#include "moleculeparser.h"
+
+#include <kaction.h>
+#include <kdebug.h>
+#include <klocale.h>
+#include <kpushbutton.h>
+#include <klineedit.h>
+#include <ktoolbar.h>
+
+#include <qlabel.h>
+#include <qlayout.h>
+#include <qtooltip.h>
+
+
+MolcalcWidget::MolcalcWidget( QWidget *parent, const char *name )
+    : MolcalcWidgetBase( parent, name )
+{
+	clear();
+}
+
+
+void MolcalcWidget::clear()
+{
+	// Clear the data.
+	m_mass = 0;
+	m_elementMap.clear();
+
+	// Clear the widgets.
+	resultLabel->setText( "" );
+	resultMass->setText( "" );
+	
+	resultComposition->setText( i18n("To start, enter\na formula in the\nwidget above and\nclick on 'Calc'.") );
+
+	QToolTip::remove( resultMass );
+	QToolTip::remove( resultComposition );
+	QToolTip::remove( resultLabel );
+}
+
+
+void MolcalcWidget::updateUI()
+{
+	if ( m_validInput ){
+
+		QString str;
+
+		// The complexString stores the whole molecule like this:
+		// 1 Seaborgium. Cumulative Mass: 263.119 u (39.2564 %)
+		QString complexString;
+
+		// Create the list of elements making up the molecule
+		ElementCountMap::Iterator  it    = m_elementMap.begin();
+		ElementCountMap::Iterator  itEnd = m_elementMap.end();
+		for ( ; it != itEnd; ++it ) {
+			// Update the resultLabel
+			str += i18n( "For example: \"1 Carbon\" or \"3 Oxygen\"", "%1 %2\n" )
+				.arg( (*it)->count() )
+				.arg( (*it)->element()->elname() );
+
+			complexString
+				+= i18n( "For example: 1 Seaborgium. Cumulative Mass: 263.119 u (39.25%)",
+						"%1 %2. Cumulative Mass: %3 u (%4%)\n" )
+				.arg( (*it)->count() )
+				.arg( (*it)->element()->elname() )
+				.arg( (*it)->count() * (*it)->element()->mass() )
+				.arg( KalziumUtils::strippedValue( (( (*it)->count() * (*it)->element()->mass() )
+								/ m_mass ) * 100 ) );
+		}
+		resultLabel->setText( str );
+
+		// The composition
+		resultComposition->setText( compositionString(m_elementMap) );
+
+		// The mass
+		resultMass->setText( i18n( "Molecular mass: %1 u" ).arg( m_mass ) );
+
+		QToolTip::add( resultMass,        complexString );
+		QToolTip::add( resultComposition, complexString );
+		QToolTip::add( resultLabel,       complexString );
+	}
+	else{//the input was invalid, so tell this the user
+		resultComposition->setText( i18n( "Invalid input" ) );
+		resultLabel->setText( QString() );
+		resultMass->setText( QString() );
+		
+		QToolTip::add( resultMass,        i18n( "Invalid input" ) );
+		QToolTip::add( resultComposition, i18n( "Invalid input" ) );
+		QToolTip::add( resultLabel,       i18n( "Invalid input" ) );
+	}
+}
+
+
+QString MolcalcWidget::compositionString( ElementCountMap &_map )
+{
+	QString  str;
+
+	ElementCountMap::Iterator  it    = _map.begin();
+	ElementCountMap::Iterator  itEnd = _map.end();
+	for (; it != itEnd; ++it) {
+		str += i18n( "%1<sub>%2</sub> " )
+			.arg( (*it)->element()->symbol() )
+			.arg( (*it)->count() );
+	}
+
+	return str;
+}
+
+
+// ----------------------------------------------------------------
+//                            slots
+
+
+void MolcalcWidget::slotCalcButtonClicked()
+{
+	QString  molecule = formulaEdit->text();
+
+	// Parse the molecule, and at the same time calculate the total
+	// mass, and the composition of it.
+	m_validInput = m_parser.weight(molecule, &m_mass, &m_elementMap);
+	
+	updateUI();
+}
+
+
+#include "molcalcwidget.moc"