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/* -*- Mode: C++ -*-
$Id: KDGanttViewTaskLink.h 836291 2008-07-22 04:34:42Z pradeepto $
KDGantt - a multi-platform charting engine
*/
/****************************************************************************
** Copyright (C) 2002-2004 Klarälvdalens Datakonsult AB. All rights reserved.
**
** This file is part of the KDGantt library.
**
** This file may be used under the terms of the GNU General Public
** License versions 2.0 or 3.0 as published by the Free Software
** Foundation and appearing in the files LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Alternatively you may (at
** your option) use any later version of the GNU General Public
** License if such license has been publicly approved by
** Klarälvdalens Datakonsult AB (or its successors, if any).
**
** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE. Klarälvdalens Datakonsult AB reserves all rights
** not expressly granted herein.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
** As a special exception, permission is given to link this program
** with any edition of Qt, and distribute the resulting executable,
** without including the source code for Qt in the source distribution.
**
**********************************************************************/
#ifndef KDGANTTVIEWTASKLINK_H
#define KDGANTTVIEWTASKLINK_H
#include <QColor>
#include <QString>
#include "kdgantt_qt3_compat.h"
#include "KDGanttViewItem.h"
class KDGanttViewTaskLinkGroup;
class KDCanvasPolygon;
class KDCanvasLine;
class KDGanttViewTaskLink
{
public:
enum LinkType { None, FinishStart, StartStart, FinishFinish, StartFinish };
KDGanttViewTaskLink( QPtrList<KDGanttViewItem> from,
QPtrList<KDGanttViewItem> to,
LinkType type = None );
KDGanttViewTaskLink( KDGanttViewTaskLinkGroup* group,
QPtrList<KDGanttViewItem> from,
QPtrList<KDGanttViewItem> to,
LinkType type = None );
KDGanttViewTaskLink( KDGanttViewTaskLinkGroup* group,
KDGanttViewItem* from,
KDGanttViewItem* to,
LinkType type = None );
KDGanttViewTaskLink( KDGanttViewItem* from,
KDGanttViewItem* to,
LinkType type = None);
~KDGanttViewTaskLink();
QPtrList<KDGanttViewItem> from() const;
QPtrList<KDGanttViewItem> to() const;
void removeItemFromList( KDGanttViewItem* );
void setVisible( bool );
bool isVisible() const;
KDGanttViewTaskLinkGroup* group();
void setGroup( KDGanttViewTaskLinkGroup*) ;
void setHighlight( bool highlight );
bool highlight() const;
void setColor( const QColor& color );
QColor color() const;
void setHighlightColor( const QColor& color );
QColor highlightColor() const;
void setTooltipText( const QString& text );
QString tooltipText() const;
void setWhatsThisText( const QString& text );
QString whatsThisText() const;
void createNode( QDomDocument& doc,
QDomElement& parentElement );
static KDGanttViewTaskLink* createFromDomElement( QDomElement& );
bool isFromToItem (KDGanttViewItem * item );
int getLinkType() const;
void setLinkType(int type);
private:
void resetGroup();
friend class KDGanttViewTaskLinkGroup;
friend class KDTimeTableWidget;
QPtrList<KDGanttViewItem> fromList,toList;
QPtrList<KDCanvasLine>* horLineList;
QPtrList<KDCanvasLine>* verLineList;
QPtrList<KDCanvasPolygon>* topList;
// used when linkType != None
QPtrList<KDCanvasLine>* horLineList2;
QPtrList<KDCanvasLine>* verLineList2;
QPtrList<KDCanvasLine>* horLineList3;
QPtrList<KDCanvasPolygon>* topLeftList;
QPtrList<KDCanvasPolygon>* topRightList;
KDGanttViewTaskLinkGroup* myGroup;
bool isvisible,ishighlighted;
QColor myColor, myColorHL;
QString myToolTipText,myWhatsThisText;
KDTimeTableWidget* myTimeTable;
void initTaskLink();
void showMe( bool );
void showMeType( bool );
void hide();
int xOffset(KDGanttViewItem *item);
LinkType myLinkType;
static QString linkTypeToString( LinkType type );
static LinkType stringToLinkType( const QString type );
};
#endif
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