159 lines
4.7 KiB
C++
Executable File
159 lines
4.7 KiB
C++
Executable File
/****************************************************************************
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**
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the examples of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial Usage
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** Licensees holding valid Qt Commercial licenses may use this file in
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** accordance with the Qt Commercial License Agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Nokia.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3.0 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. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef DIAGRAMITEM_H
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#define DIAGRAMITEM_H
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#include <QGraphicsPixmapItem>
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#include <QGraphicsSimpleTextItem>
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#include <QList>
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#include <QtXml>
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#include <stdio.h>
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class Arrow;
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class DiagramTextItem;
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QT_BEGIN_NAMESPACE
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class QPixmap;
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class QGraphicsItem;
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class QGraphicsScene;
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class QTextEdit;
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class QGraphicsSceneMouseEvent;
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class QMenu;
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class QGraphicsSceneContextMenuEvent;
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class QPainter;
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class QStyleOptionGraphicsItem;
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class QWidget;
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class QPolygonF;
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QT_END_NAMESPACE
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class QObject;
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class DiagramItem : public QGraphicsPolygonItem
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{
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public:
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enum { Type = UserType + 15 };
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DiagramItem(QMenu *contextMenu,
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QString diagramType,
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QDomElement *domElement,
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QGraphicsItem *parent = 0, QGraphicsScene *scene = 0,
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QPointF position = QPointF(0,0), double zV=500);
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void removeArrow(Arrow *arrow);
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void removeArrows();
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void addArrow(Arrow *arrow);
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void addText(DiagramTextItem *externalTextItem)
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{ textItems.append(externalTextItem);}
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void removeTextItem(DiagramTextItem *textItem);
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void removeTextItems();
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QString diagramType() const
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{ return myDiagramType; }
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QPolygonF polygon() const
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{ return myPolygon; }
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QDomElement *getDomElement()
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{return myDomElement;}
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QPixmap image() const;
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int type() const
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{ return Type;}
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QList<DiagramTextItem *> getTextItems() const
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{ return textItems;}
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QList<Arrow *> getArrows() const
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{ return arrows;}
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unsigned char existArrow(DiagramTextItem *startItem,
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DiagramTextItem *endItem);
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void mousePressEvent(QGraphicsSceneMouseEvent *mouseEvent);
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void mouseMoveEvent(QGraphicsSceneMouseEvent *mouseEvent);
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void mouseReleaseEvent(QGraphicsSceneMouseEvent *mouseEvent);
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QDomElement toXml(QDomDocument &) const;
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bool setValue(unsigned char ioID, QString value);
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DiagramTextItem * pointerText(unsigned char ID);
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bool textIsIO(unsigned char ID);
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void setColor(const QColor &color)
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{ myColor=color; setBrush(color); }
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int getID()
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{ return myID;}
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void setID(int value)
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{ myID=value;}
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bool existText(DiagramTextItem * text);
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QGraphicsScene * getOwnerScene()
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{ return myOwnerScene;}
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void updateTexts();
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protected:
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void contextMenuEvent(QGraphicsSceneContextMenuEvent *event);
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QVariant itemChange(GraphicsItemChange change, const QVariant &value);
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private:
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QGraphicsScene *myOwnerScene;
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QString myDiagramType;
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int myID;
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QPolygonF myPolygon;
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QMenu *myContextMenu;
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QList<Arrow *> arrows;
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QList<DiagramTextItem *> textItems;
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DiagramTextItem *textItem;
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QColor myColor;
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QDomElement *myDomElement;
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bool positionChanged;
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};
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#endif
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