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130 lines
4.3 KiB
130 lines
4.3 KiB
/* -*- Mode: C++ -*-
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$Id$
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KDGantt - a multi-platform charting engine
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*/
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/****************************************************************************
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** Copyright (C) 2002-2004 Klarälvdalens Datakonsult AB. All rights reserved.
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**
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** This file is part of the KDGantt library.
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**
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** This file may be distributed and/or modified under the terms of the
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** GNU General Public License version 2 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file.
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**
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** Licensees holding valid commercial KDGantt licenses may use this file in
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** accordance with the KDGantt Commercial License Agreement provided with
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** the Software.
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**
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** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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**
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** See http://www.klaralvdalens-datakonsult.se/Public/products/ for
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** information about KDGantt Commercial License Agreements.
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**
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** Contact info@klaralvdalens-datakonsult.se if any conditions of this
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** licensing are not clear to you.
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**
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** As a special exception, permission is given to link this program
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** with any edition of Qt, and distribute the resulting executable,
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** without including the source code for Qt in the source distribution.
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**
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**********************************************************************/
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#ifndef KDGANTTVIEWTASKLINK_H
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#define KDGANTTVIEWTASKLINK_H
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#include <qcolor.h>
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#include <qstring.h>
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#include <qptrlist.h>
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#include <qcanvas.h>
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#include "KDGanttViewItem.h"
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class KDGanttViewTaskLinkGroup;
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class KDCanvasPolygon;
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class KDCanvasLine;
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class KDGanttViewTaskLink
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{
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public:
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enum LinkType { None, FinishStart, StartStart, FinishFinish, StartFinish };
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KDGanttViewTaskLink( QPtrList<KDGanttViewItem> from,
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QPtrList<KDGanttViewItem> to,
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LinkType type=None );
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KDGanttViewTaskLink( KDGanttViewTaskLinkGroup* group,
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QPtrList<KDGanttViewItem> from,
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QPtrList<KDGanttViewItem> to,
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LinkType type=None );
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KDGanttViewTaskLink( KDGanttViewTaskLinkGroup* group,
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KDGanttViewItem* from,
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KDGanttViewItem* to,
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LinkType type=None );
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KDGanttViewTaskLink( KDGanttViewItem* from,
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KDGanttViewItem* to,
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LinkType type=None );
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~KDGanttViewTaskLink();
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QPtrList<KDGanttViewItem> from() const;
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QPtrList<KDGanttViewItem> to() const;
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void removeItemFromList( KDGanttViewItem* );
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void setVisible( bool );
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bool isVisible() const;
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KDGanttViewTaskLinkGroup* group();
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void setGroup( KDGanttViewTaskLinkGroup*) ;
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void setHighlight( bool highlight );
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bool highlight() const;
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void setColor( const QColor& color );
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QColor color() const;
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void setHighlightColor( const QColor& color );
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QColor highlightColor() const;
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void setTooltipText( const QString& text );
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QString tooltipText() const;
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void setWhatsThisText( const QString& text );
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QString whatsThisText() const;
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void createNode( QDomDocument& doc,
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QDomElement& parentElement );
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static KDGanttViewTaskLink* createFromDomElement( QDomElement& );
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int linkType();
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void setLinkType(int type);
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private:
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friend class KDGanttViewTaskLinkGroup;
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friend class KDTimeTableWidget;
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QPtrList<KDGanttViewItem> fromList,toList;
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QPtrList<KDCanvasLine>* horLineList;
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QPtrList<KDCanvasLine>* verLineList;
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QPtrList<KDCanvasPolygon>* topList;
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// also used when linkType != None
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QPtrList<KDCanvasLine>* horLineList2;
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QPtrList<KDCanvasLine>* verLineList2;
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QPtrList<KDCanvasLine>* horLineList3;
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QPtrList<KDCanvasPolygon>* topLeftList;
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QPtrList<KDCanvasPolygon>* topRightList;
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KDGanttViewTaskLinkGroup* myGroup;
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bool isvisible,ishighlighted;
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QColor myColor, myColorHL;
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QString myToolTipText,myWhatsThisText;
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KDTimeTableWidget* myTimeTable;
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void initTaskLink();
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void showMe( bool );
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void showMeType( bool );
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void hide();
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int xOffset(KDGanttViewItem *item);
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LinkType myLinkType;
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static QString linkTypeToString( LinkType type );
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static LinkType stringToLinkType( const QString type );
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};
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#endif
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