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, 172 insertions, 0 deletions

diff --git a/kalzium/src/somwidget_impl.cpp b/kalzium/src/somwidget_impl.cpp
new file mode 100644
index 00000000..ae1c19d8
--- /dev/null
+++ b/kalzium/src/somwidget_impl.cpp
@@ -0,0 +1,172 @@
+/***************************************************************************
+    copyright            : (C) 2005 by Carsten Niehaus
+    email                : cniehaus@kde.org
+ ***************************************************************************/
+/***************************************************************************
+ *                                                                         *
+ *   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.                                   *
+ *                                                                         *
+ ***************************************************************************/
+
+#include "somwidget_impl.h"
+
+#include <qlabel.h>
+#include <qpair.h>
+#include <qslider.h>
+#include <qtextedit.h>
+#include <qvaluelist.h>
+
+#include <kdebug.h>
+#include <knuminput.h>
+#include <klocale.h>
+
+#include <math.h>
+
+#include "element.h"
+#include "kalziumdataobject.h"
+#include "prefs.h"
+#include "tempunit.h"
+
+SOMWidgetIMPL::SOMWidgetIMPL( QWidget *parent, const char* name )
+	: SOMWidget( parent,name )
+{
+	m_list = KalziumDataObject::instance()->ElementList;
+
+	text->setAlignment( text->alignment() | Qt::WordBreak );
+	text->setTextFormat( Qt::RichText );
+	text->setReadOnly( true );
+	text->setPaletteBackgroundColor( paletteBackgroundColor() );
+	text->setFrameStyle( QFrame::NoFrame );
+
+	m_htmlBegin = "<qt>";
+	m_htmlEnd = "</qt>";
+	m_prevUnit = Prefs::temperature();
+
+	connect( Number1, SIGNAL( valueChanged( double ) ),
+	         this, SLOT( spinValueChanged( double ) ) );
+	connect( temp_slider, SIGNAL( valueChanged( int ) ),
+	         this, SLOT( sliderValueChanged( int ) ) );
+	connect( Number1, SIGNAL( valueChanged( double ) ),
+	         this, SLOT( setNewTemp( double ) ) );
+
+	reloadUnits();
+}
+
+void SOMWidgetIMPL::reloadUnits()
+{
+	lblUnit->setText( TempUnit::unitListSymbol( Prefs::temperature() ) );
+	QPair<double, double> range = TempUnit::rangeForUnit( Prefs::temperature() );
+
+	double newvalue = TempUnit::convert( Number1->value(), m_prevUnit, Prefs::temperature() );
+	Number1->setRange( range.first, range.second, 0.1, 1 );
+	Number1->setValue( newvalue );
+	setNewTemp( newvalue );
+kdDebug() << "min: " << Number1->minValue() << " - max: " << Number1->maxValue() << endl;
+	m_prevUnit = Prefs::temperature();
+}
+
+void SOMWidgetIMPL::sliderValueChanged( int temp )
+{
+// TODO check if in Qt4 the RangeControl emits the signal again
+	disconnect( Number1, SIGNAL( valueChanged( double ) ),
+	         this, SLOT( spinValueChanged( double ) ) );
+	disconnect( temp_slider, SIGNAL( valueChanged( int ) ),
+	         this, SLOT( sliderValueChanged( int ) ) );
+	disconnect( Number1, SIGNAL( valueChanged( double ) ),
+	         this, SLOT( setNewTemp( double ) ) );
+	double newvalue = TempUnit::convert( (double)temp, (int)TempUnit::Kelvin, Prefs::temperature() );
+	Number1->setValue( newvalue );
+	setNewTemp( newvalue );
+	connect( Number1, SIGNAL( valueChanged( double ) ),
+	         this, SLOT( spinValueChanged( double ) ) );
+	connect( temp_slider, SIGNAL( valueChanged( int ) ),
+	         this, SLOT( sliderValueChanged( int ) ) );
+	connect( Number1, SIGNAL( valueChanged( double ) ),
+	         this, SLOT( setNewTemp( double ) ) );
+}
+
+void SOMWidgetIMPL::spinValueChanged( double temp )
+{
+	disconnect( Number1, SIGNAL( valueChanged( double ) ),
+	         this, SLOT( spinValueChanged( double ) ) );
+	disconnect( temp_slider, SIGNAL( valueChanged( int ) ),
+	         this, SLOT( sliderValueChanged( int ) ) );
+	disconnect( Number1, SIGNAL( valueChanged( double ) ),
+	         this, SLOT( setNewTemp( double ) ) );
+	int newvalue = (int)TempUnit::convert( temp, Prefs::temperature(), (int)TempUnit::Kelvin );
+	temp_slider->setValue( newvalue );
+	setNewTemp( temp );
+	connect( Number1, SIGNAL( valueChanged( double ) ),
+	         this, SLOT( spinValueChanged( double ) ) );
+	connect( temp_slider, SIGNAL( valueChanged( int ) ),
+	         this, SLOT( sliderValueChanged( int ) ) );
+	connect( Number1, SIGNAL( valueChanged( double ) ),
+	         this, SLOT( setNewTemp( double ) ) );
+}
+
+void SOMWidgetIMPL::setNewTemp( double newtemp )
+{
+	static const int threshold = 25;
+
+	double temp = TempUnit::convert( newtemp, Prefs::temperature(), (int)TempUnit::Kelvin );
+
+	QValueList<Element*>::ConstIterator it = m_list.begin();
+	const QValueList<Element*>::ConstIterator itEnd = m_list.end();
+
+	QStringList listMeltingPoint;
+	QStringList listBoilingPoint;
+	QStringList listBoilingPointValue;
+	QStringList listMeltingPointValue;
+	for ( ; it != itEnd; ++it )
+	{
+		if ( ( ( *it )->melting() > 0.0 ) && fabs( ( *it )->melting() - temp ) <= threshold )
+		{
+			listMeltingPoint << ( *it )->elname();
+			listMeltingPointValue << ( *it )->adjustUnits( Element::MELTINGPOINT );
+		}
+		if ( ( ( *it )->boiling() > 0.0 ) && fabs( ( *it )->boiling() - temp ) <= threshold )
+		{
+			listBoilingPoint << ( *it )->elname();
+			listBoilingPointValue << ( *it )->adjustUnits( Element::BOILINGPOINT );
+		}
+	}
+	QString htmlcode;
+	if ( listMeltingPoint.count() > 0 )
+	{
+		htmlcode += i18n( "Elements with melting point around this temperature:" ) + "<br>";
+		for ( uint i = 0; i < listMeltingPoint.count(); i++ )
+		{
+			htmlcode += "&nbsp;<b>&middot;</b>&nbsp;" + i18n( "For example: Carbon (300K)", "%1 (%2)" ).arg( listMeltingPoint[i] ).arg( listMeltingPointValue[i] ) + "<br>";
+		}
+		htmlcode += "<br>";
+	}
+	else
+	{
+		htmlcode += i18n( "No elements with a melting point around this temperature" );
+		htmlcode += "<br><br>";
+	}
+	if ( listBoilingPoint.count() > 0 )
+	{
+		htmlcode += i18n( "Elements with boiling point around this temperature:" ) + "<br>";
+		for ( uint i = 0; i < listBoilingPoint.count(); i++ )
+		{
+			htmlcode += "&nbsp;<b>&middot;</b>&nbsp;" + i18n( "For example: Carbon (300K)", "%1 (%2)" ).arg( listBoilingPoint[i] ).arg( listBoilingPointValue[i] ) + "<br>";
+		}
+		htmlcode += "<br>";
+	}
+	else
+	{
+		htmlcode += i18n( "No elements with a boiling point around this temperature" );
+		htmlcode += "<br>";
+	}
+
+//	kdDebug() << m_htmlBegin + htmlcode + m_htmlEnd << endl;
+
+	text->setText( m_htmlBegin + htmlcode + m_htmlEnd );
+
+}
+
+#include "somwidget_impl.moc"