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tdepim/kdgantt/KDGanttViewTaskLink.h

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/* -*- Mode: C++ -*-
$Id$
KDGantt - a multi-platform charting engine
*/
/****************************************************************************
** Copyright (C) 2002-2004 Klar<EFBFBD>lvdalens Datakonsult AB. All rights reserved.
**
** This file is part of the KDGantt 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 KDGantt licenses may use this file in
** accordance with the KDGantt 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.klaralvdalens-datakonsult.se/Public/products/ for
** information about KDGantt Commercial License Agreements.
**
** Contact info@klaralvdalens-datakonsult.se if any conditions of this
** licensing are not clear to you.
**
** 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 <tqcolor.h>
#include <tqstring.h>
#include <tqptrlist.h>
#include <tqcanvas.h>
#include "KDGanttViewItem.h"
class KDGanttViewTaskLinkGroup;
class KDCanvasPolygon;
class KDCanvasLine;
class KDGanttViewTaskLink
{
public:
enum LinkType { None, FinishStart, StartStart, FinishFinish, StartFinish };
KDGanttViewTaskLink( TQPtrList<KDGanttViewItem> from,
TQPtrList<KDGanttViewItem> to,
LinkType type=None );
KDGanttViewTaskLink( KDGanttViewTaskLinkGroup* group,
TQPtrList<KDGanttViewItem> from,
TQPtrList<KDGanttViewItem> to,
LinkType type=None );
KDGanttViewTaskLink( KDGanttViewTaskLinkGroup* group,
KDGanttViewItem* from,
KDGanttViewItem* to,
LinkType type=None );
KDGanttViewTaskLink( KDGanttViewItem* from,
KDGanttViewItem* to,
LinkType type=None );
~KDGanttViewTaskLink();
TQPtrList<KDGanttViewItem> from() const;
TQPtrList<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 TQColor& color );
TQColor color() const;
void setHighlightColor( const TQColor& color );
TQColor highlightColor() const;
void setTooltipText( const TQString& text );
TQString tooltipText() const;
void setWhatsThisText( const TQString& text );
TQString whatsThisText() const;
void createNode( TQDomDocument& doc,
TQDomElement& parentElement );
static KDGanttViewTaskLink* createFromDomElement( TQDomElement& );
int linkType();
void setLinkType(int type);
private:
friend class KDGanttViewTaskLinkGroup;
friend class KDTimeTableWidget;
TQPtrList<KDGanttViewItem> fromList,toList;
TQPtrList<KDCanvasLine>* horLineList;
TQPtrList<KDCanvasLine>* verLineList;
TQPtrList<KDCanvasPolygon>* topList;
// also used when linkType != None
TQPtrList<KDCanvasLine>* horLineList2;
TQPtrList<KDCanvasLine>* verLineList2;
TQPtrList<KDCanvasLine>* horLineList3;
TQPtrList<KDCanvasPolygon>* topLeftList;
TQPtrList<KDCanvasPolygon>* topRightList;
KDGanttViewTaskLinkGroup* myGroup;
bool isvisible,ishighlighted;
TQColor myColor, myColorHL;
TQString myToolTipText,myWhatsThisText;
KDTimeTableWidget* myTimeTable;
void initTaskLink();
void showMe( bool );
void showMeType( bool );
void hide();
int xOffset(KDGanttViewItem *item);
LinkType myLinkType;
static TQString linkTypeToString( LinkType type );
static LinkType stringToLinkType( const TQString type );
};
#endif