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https://github.com/qelectrotech/qelectrotech-source-mirror.git
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git-svn-id: svn+ssh://svn.tuxfamily.org/svnroot/qet/qet/trunk@828 bfdf4180-ca20-0410-9c96-a3a8aa849046
161 lines
4.5 KiB
C++
161 lines
4.5 KiB
C++
/*
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Copyright 2006-2010 Xavier Guerrin
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This file is part of QElectroTech.
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QElectroTech is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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QElectroTech is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with QElectroTech. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef ELEMENT_H
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#define ELEMENT_H
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#include <QtGui>
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#include "terminal.h"
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#include "orientationset.h"
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class Diagram;
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class ElementTextItem;
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/**
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Cette classe abstraite represente un element electrique.
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*/
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class Element : public QObject, public QGraphicsItem {
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Q_OBJECT
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// constructeurs, destructeur
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public:
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Element(QGraphicsItem * = 0, Diagram * = 0);
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virtual ~Element();
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private:
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Element(const Element &);
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// attributs
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public:
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enum { Type = UserType + 1000 };
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protected:
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/**
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orientations de l'element :
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* autorisations
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* orientation en cours
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* orientation par defaut
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@see OrientationSet
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*/
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OrientationSet ori;
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private:
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QSize dimensions;
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QPoint hotspot_coord;
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QPixmap preview;
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// methodes
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public:
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/**
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permet de caster un QGraphicsItem en Element avec qgraphicsitem_cast
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@return le type de QGraphicsItem
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*/
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virtual int type() const { return Type; }
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// methodes virtuelles pures a definir dans les classes enfants
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/// @return la liste des bornes de cet element
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virtual QList<Terminal *> terminals() const = 0;
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/// @return la liste des conducteurs relies a cet element
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virtual QList<Conductor *> conductors() const = 0;
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/// @return la liste des champs de textes de cet element
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virtual QList<ElementTextItem *> texts() const = 0;
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/// @return le nombre de bornes actuel de cet element
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virtual int terminalsCount() const = 0;
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/// @return le nombre de bornes minimum de cet element
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virtual int minTerminalsCount() const = 0;
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/// @return le nombre de bornes maximum de cet element
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virtual int maxTerminalsCount() const = 0;
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/**
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Dessine l'element
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*/
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virtual void paint(QPainter *, const QStyleOptionGraphicsItem *) = 0;
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/// @return L'ID du type de l'element
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virtual QString typeId() const = 0;
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/// @return Le nom de l'element
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virtual QString name() const = 0;
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Diagram *diagram() const;
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void paint(QPainter *, const QStyleOptionGraphicsItem *, QWidget *);
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QRectF boundingRect() const;
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QSize setSize(int, int);
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QSize size() const;
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QPixmap pixmap();
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// methodes relatives au point de saisie
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QPoint setHotspot(QPoint);
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QPoint hotspot() const;
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// methodes relatives a la selection
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void select();
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void deselect();
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// methodes relatives a la position
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void setPos(const QPointF &);
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void setPos(qreal, qreal);
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// methodes relatives aux connexions internes
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bool internalConnections();
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void setInternalConnections(bool);
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// methodes relatives aux fichiers XML
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static bool valideXml(QDomElement &);
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virtual bool fromXml(QDomElement &, QHash<int, Terminal *> &);
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virtual QDomElement toXml(QDomDocument &, QHash<Terminal *, int> &) const;
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// methodes d'acces aux possibilites d'orientation
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bool setOrientation(QET::Orientation o);
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const OrientationSet &orientation() const;
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protected:
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void drawAxes(QPainter *, const QStyleOptionGraphicsItem *);
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void mousePressEvent(QGraphicsSceneMouseEvent *);
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void mouseMoveEvent(QGraphicsSceneMouseEvent *);
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void mouseReleaseEvent(QGraphicsSceneMouseEvent *);
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private:
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bool internal_connections;
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void drawSelection(QPainter *, const QStyleOptionGraphicsItem *);
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void updatePixmap();
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};
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/**
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Permet de savoir si l'element accepte les connexions internes,
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c'est-a-dire que ses bornes peuvent etre reliees entre elles
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@return true si l'element accepte les connexions internes, false sinon
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*/
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inline bool Element::internalConnections() {
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return(internal_connections);
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}
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/**
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Permet de specifier si l'element accepte les connexions internes,
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c'est-a-dire que ses bornes peuvent etre reliees entre elles
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@param ic true pour que l'element accepte les connexions internes, false pour
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qu'il les interdise
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*/
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inline void Element::setInternalConnections(bool ic) {
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internal_connections = ic;
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}
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/**
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Permet de connaitre l'orientation actuelle de l'element
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@return L'orientation actuelle de l'element
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*/
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inline const OrientationSet & Element::orientation() const {
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return(ori);
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}
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#endif
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