cnitem.h

/***************************************************************************
 *   Copyright (C) 2003-2005 by David Saxton                               *
 *   david@bluehaze.org                                                    *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 ***************************************************************************/

#ifndef CNITEM_H
#define CNITEM_H

#include "item.h"
#include "ciwidgetmgr.h"


class Button;
class CNItem;
class ICNDocument;
class Connector;
class DoubleSpinBox;
class LibraryItem;
class Node;
class QSlider;
class QString;
class QToolButton;
class QWMatrix;
class Slider;
class Text;


class NodeInfo
{
public:
        NodeInfo();
        
        QString id; // External id (ICNDocument scope)
        Node *node; //Pointer to the node
        double x; // X position relative to item
        double y; // Y position relative to item
        int orientation; // Orientation relative to item
};

typedef QMap<QString, QString> StringMap;
typedef QMap<QString, NodeInfo> NodeMap; // Internal id, node info
typedef QValueList<QGuardedPtr<Connector> > ConnectorList;
typedef QMap<QString, QGuardedPtr<Text> > TextMap;

class CNItem : public Item, public CIWidgetMgr
{
Q_OBJECT
public:
        CNItem( ICNDocument *_icnView, bool newItem, const QString &id );
        virtual ~CNItem();
        
        int rtti() const;
        Node* createNode( double _x, double _y, int orientation, const QString &name, uint type );
        bool removeNode( const QString &name );
        void setInitialPos( const QPoint &pos );
        void snap( int newx = -1, int newy = -1 );
        Node *getClosestNode( const QPoint &pos );
        ConnectorList connectorList();
        virtual bool preResize( QRect sizeRect );
        virtual bool mousePressEvent( const EventInfo &eventInfo );
        virtual bool mouseReleaseEvent( const EventInfo &eventInfo );
        virtual bool mouseDoubleClickEvent ( const EventInfo &eventInfo );
        virtual bool mouseMoveEvent( const EventInfo &eventInfo );
        virtual bool wheelEvent( const EventInfo &eventInfo );
        virtual void enterEvent();
        virtual void leaveEvent();
        virtual void updateConnectorPoints( bool add );
        QString nodeId( const QString &internalNodeId );
        Node *childNode( const QString &childId );
        NodeMap nodeMap() const { return m_nodeMap; }
        TextMap textMap() const { return m_textMap; }
        virtual void setVisible( bool yes );
        virtual void updateZ( int baseZ );

        virtual ItemData itemData() const;
        virtual void restoreFromItemData( const ItemData &itemData );
        virtual void updateNodeLevels();
        
public slots:
        virtual void moveBy( double dx, double dy );
        virtual void removeItem();
        virtual void updateAttachedPositioning();
        
protected:
        virtual void reparented( Item *oldParent, Item *newParent );
        virtual void drawShape( QPainter &p );
        virtual void postResize();
        Text* addDisplayText( const QString &id, const QRect & pos, const QString &display, bool internal = true, int flags = Qt::AlignHCenter | Qt::AlignVCenter );
        void setDisplayText( const QString &id, const QString &display );
        void removeDisplayText( const QString &id );
        virtual void initPainter( QPainter &p );
        
        QPoint m_offset;
        QGuardedPtr<ICNDocument> p_icnDocument;
        TextMap m_textMap;
        NodeMap m_nodeMap;
        QColor m_selectedCol;
        QColor m_brushCol;
        bool b_pointsAdded;
};
typedef QValueList<CNItem*> CNItemList;

#endif

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