kdganttconstraint.cpp

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/****************************************************************************
 ** Copyright (C) 2001-2006 Klarälvdalens Datakonsult AB.  All rights reserved.
 **
 ** This file is part of the KD Gantt library.
 **
 ** This file may be distributed and/or modified under the terms of the
 ** GNU General Public License version 2 as published by the Free Software
 ** Foundation and appearing in the file LICENSE.GPL included in the
 ** packaging of this file.
 **
 ** Licensees holding valid commercial KD Gantt licenses may use this file in
 ** accordance with the KD Gantt Commercial License Agreement provided with
 ** the Software.
 **
 ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
 ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 **
 ** See http://www.kdab.net/kdgantt for
 **   information about KD Gantt Commercial License Agreements.
 **
 ** Contact info@kdab.net if any conditions of this
 ** licensing are not clear to you.
 **
 **********************************************************************/
#include "kdganttconstraint.h"
#include "kdganttconstraint_p.h"

#include <QDateTime>

using namespace KDGantt;

Constraint::Private::Private()
    : type( TypeSoft ),
      relationType( FinishStart )
{
}

Constraint::Private::Private( const Private& other )
    : QSharedData( other )
{
    start=other.start;
    end=other.end;
    type=other.type;
    relationType=other.relationType;
}

Constraint::Constraint( const QModelIndex& idx1,  const QModelIndex& idx2, Constraint::Type type, Constraint::RelationType relationType )
    : d( new Private )
{
    d->start=idx1;
    d->end=idx2;
    d->type=type;
    d->relationType=relationType;
    Q_ASSERT_X( idx1 != idx2 || !idx1.isValid(), "Constraint::Constraint", "cannot create a constraint with idx1 == idx2" );
}

Constraint::Constraint( const Constraint& other )
    : d( other.d )
{
}

Constraint::~Constraint()
{
}

Constraint& Constraint::operator=( const Constraint& other )
{
    d = other.d;
    return *this;
}

Constraint::Type Constraint::type() const
{
    return d->type;
}

Constraint::RelationType Constraint::relationType() const
{
    return d->relationType;
}

QModelIndex Constraint::startIndex() const
{
    return d->start;
}

QModelIndex Constraint::endIndex() const
{
    return d->end;
}

QVariant Constraint::data( int role ) const
{
    return d->data.value( role );
}

void Constraint::setData( int role, const QVariant& value )
{
    d->data.insert( role, value );
}

bool Constraint::operator==( const Constraint& other ) const
{
    if ( d == other.d ) return true;
    return ( *d ).equals( *( other.d ) );
}

uint Constraint::hash() const
{
    return ::qHash( d->start ) ^ ::qHash( d->end ) ^ ::qHash( static_cast<uint>( d->type ) );
}

#ifndef QT_NO_DEBUG_STREAM

QDebug operator<<( QDebug dbg, const Constraint& c )
{
    return c.debug( dbg );
}

QDebug Constraint::debug( QDebug dbg ) const
{
    dbg << "KDGantt::Constraint[ start=" << d->start << "end=" << d->end << "relationType=" << d->relationType << "]";
    return dbg;
}

#endif /* QT_NO_DEBUG_STREAM */

#ifndef KDAB_NO_UNIT_TESTS

#include <QStandardItemModel>

#include "unittest/test.h"

KDAB_SCOPED_UNITTEST_SIMPLE( KDGantt, Constraint, "test" )
{
    QStandardItemModel dummyModel( 100, 100 );
    QModelIndex idx1 = dummyModel.index( 7, 17, QModelIndex() );
    QModelIndex idx2 = dummyModel.index( 42, 17, QModelIndex() );

    Constraint c1 = Constraint( QModelIndex(), QModelIndex(), Constraint::TypeSoft );
    Constraint c2 = Constraint( QModelIndex(), QModelIndex(), Constraint::TypeSoft );
    Constraint c3 = c2;
    Constraint c4( idx1, idx2 );
    Constraint c5( idx2, idx1 );

    assertTrue( c1==c2 );
    assertEqual( qHash( c1 ), qHash( c2 ) );
    assertTrue( c1==c3 );
    assertEqual( qHash( c1 ), qHash( c3 ) );
    assertTrue( c2==c3 );
    assertEqual( qHash( c2 ), qHash( c3 ) );

    assertFalse( c2==c4 );
    assertNotEqual( qHash( c2 ), qHash( c4 ) );

    assertFalse( c4==c5 );

    assertEqual( c3.type(), Constraint::TypeSoft );

    dummyModel.removeRow( 8 );
    assertFalse( c4==c5 );
}

#endif /* KDAB_NO_UNIT_TESTS */

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