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+/* -*- Mode: C++ -*-
+ $Id$
+ 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 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 <qcolor.h>
+#include <qstring.h>
+#include <qptrlist.h>
+#include <qcanvas.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& );
+
+ int linkType();
+ void setLinkType(int type);
+
+private:
+ friend class KDGanttViewTaskLinkGroup;
+ friend class KDTimeTableWidget;
+ QPtrList<KDGanttViewItem> fromList,toList;
+ QPtrList<KDCanvasLine>* horLineList;
+ QPtrList<KDCanvasLine>* verLineList;
+ QPtrList<KDCanvasPolygon>* topList;
+
+ // also 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