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/*
**************************************************************************
description
--------------------
copyright : (C) 2000-2001 by Leonardo Skorianez
email : lsk@if.ufrj.br
**************************************************************************
**************************************************************************
* *
* 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 "pmplaneedit.h"
#include "pmplane.h"
#include "pmvectoredit.h"
#include "pmlineedits.h"
#include <qlayout.h>
#include <qlabel.h>
#include <qpushbutton.h>
#include <qcheckbox.h>
#include <klocale.h>
#include <kmessagebox.h>
PMPlaneEdit::PMPlaneEdit( QWidget* parent, const char* name )
: Base( parent, name )
{
m_pDisplayedObject = 0;
}
void PMPlaneEdit::createTopWidgets( )
{
Base::createTopWidgets( );
QHBoxLayout* layout;
m_pNormal = new PMVectorEdit( "x", "y", "z", this );
m_pDistance = new PMFloatEdit( this );
layout = new QHBoxLayout( topLayout( ) );
layout->addWidget( new QLabel( i18n( "Normal:" ), this ) );
layout->addWidget( m_pNormal );
layout = new QHBoxLayout( topLayout( ) );
layout->addWidget( new QLabel( i18n( "Distance:" ), this ) );
layout->addWidget( m_pDistance );
layout->addStretch( 1 );
QPushButton* nb = new QPushButton( i18n( "Normalize" ), this );
layout = new QHBoxLayout( topLayout( ) );
layout->addWidget( nb );
layout->addStretch( 1 );
connect( m_pNormal, SIGNAL( dataChanged( ) ), SIGNAL( dataChanged( ) ) );
connect( m_pDistance, SIGNAL( dataChanged( ) ), SIGNAL( dataChanged( ) ) );
connect( nb, SIGNAL( clicked( ) ), SLOT( slotNormalize( ) ) );
}
void PMPlaneEdit::slotNormalize( )
{
PMVector normal = m_pNormal->vector( );
double distance = m_pDistance->value( );
double l = normal.abs( );
if( !approxZero( l ) )
{
m_pNormal->setVector( normal / l );
m_pDistance->setValue( distance * l );
}
}
void PMPlaneEdit::displayObject( PMObject* o )
{
if( o->isA( "Plane" ) )
{
bool readOnly = o->isReadOnly( );
m_pDisplayedObject = ( PMPlane* ) o;
m_pNormal->setVector( m_pDisplayedObject->normal( ) );
m_pDistance->setValue( m_pDisplayedObject->distance( ) );
m_pNormal->setReadOnly( readOnly );
m_pDistance->setReadOnly( readOnly );
Base::displayObject( o );
}
else
kdError( PMArea ) << "PMPlaneEdit: Can't display object\n";
}
void PMPlaneEdit::saveContents( )
{
if( m_pDisplayedObject )
{
Base::saveContents( );
m_pDisplayedObject->setNormal( m_pNormal->vector( ) );
m_pDisplayedObject->setDistance( m_pDistance->value( ) );
}
}
bool PMPlaneEdit::isDataValid( )
{
if( m_pNormal->isDataValid( ) )
{
if( approxZero( m_pNormal->vector( ).abs( ) ) )
{
KMessageBox::error( this, i18n( "The normal vector may not be a "
"null vector." ),
i18n( "Error" ) );
return false;
}
if( m_pDistance->isDataValid( ) )
return Base::isDataValid( );
}
return false;
}
#include "pmplaneedit.moc"
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