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https://github.com/qelectrotech/qelectrotech-source-mirror.git
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c71ed69342
git-svn-id: svn+ssh://svn.tuxfamily.org/svnroot/qet/qet/trunk@2288 bfdf4180-ca20-0410-9c96-a3a8aa849046
133 lines
4.1 KiB
C++
133 lines
4.1 KiB
C++
/*
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Copyright 2006-2013 The QElectroTech Team
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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 CUSTOM_ELEMENT_H
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#define CUSTOM_ELEMENT_H
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#include "fixedelement.h"
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#include <QtGui>
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#include "nameslist.h"
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#include "elementslocation.h"
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class ElementTextItem;
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class Terminal;
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/**
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This class represents an electrical element; it may be used like a fixed
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element, the difference being that the CustomElement reads its description
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(names, drawing, behavior) from an XML document.
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*/
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class CustomElement : public FixedElement {
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Q_OBJECT
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// constructors, destructor
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public:
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CustomElement(const ElementsLocation &, QGraphicsItem * = 0, Diagram * = 0, int * = 0);
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CustomElement(const QDomElement &, QGraphicsItem * = 0, Diagram * = 0, int * = 0);
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virtual ~CustomElement();
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private:
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CustomElement(const CustomElement &);
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// attributes
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protected:
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int elmt_state; // hold the error code in case the instanciation fails, or 0 if everything went well
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NamesList names;
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ElementsLocation location_;
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QPicture drawing;
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QPicture low_zoom_drawing;
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QList<Terminal *> list_terminals;
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QList<ElementTextItem *> list_texts_;
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bool forbid_antialiasing;
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// methods
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public:
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virtual QList<Terminal *> terminals() const;
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virtual QList<Conductor *> conductors() const;
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virtual QList<ElementTextItem *> texts() const;
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virtual int terminalsCount() const;
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virtual void paint(QPainter *, const QStyleOptionGraphicsItem *);
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QString typeId() const;
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ElementsLocation location() const;
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bool isNull() const;
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int state() const;
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QString name() const;
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protected:
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virtual bool buildFromXml(const QDomElement &, int * = 0);
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virtual bool parseElement(QDomElement &, QPainter &);
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virtual bool parseLine(QDomElement &, QPainter &);
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virtual bool parseRect(QDomElement &, QPainter &);
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virtual bool parseEllipse(QDomElement &, QPainter &);
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virtual bool parseCircle(QDomElement &, QPainter &);
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virtual bool parseArc(QDomElement &, QPainter &);
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virtual bool parsePolygon(QDomElement &, QPainter &);
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virtual bool parseText(QDomElement &, QPainter &);
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virtual ElementTextItem *parseInput(QDomElement &);
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virtual Terminal *parseTerminal(QDomElement &);
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virtual void setQPainterAntiAliasing(QPainter &, bool);
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virtual bool validOrientationAttribute(const QDomElement &);
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virtual void setPainterStyle(QDomElement &, QPainter &);
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};
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/**
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@return The element type ID; considering a CustomElement, this means the
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@location of its XML description.
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@see location()
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*/
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inline QString CustomElement::typeId() const {
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return(location_.path());
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}
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/**
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@return the location of the XML document describing this element.
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*/
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inline ElementsLocation CustomElement::location() const {
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return(location_);
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}
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/**
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@return true if this element is null, i.e. if its XML description could not
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be loaded.
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*/
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inline bool CustomElement::isNull() const {
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return(elmt_state);
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}
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/**
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@return An integer representing the state of this element:
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- 0: instantiation succeeded
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- 1: the file does not exist
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- 2: the file could not be opened
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- 3: The file is not a valid XML document
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- 4: The XML document does not have a "definition" root element.
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- 5: The definition attributes are missing or invalid
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- 6: The definition is empty
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- 7: The parsing of an XML element describing an element drawing primitive failed
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- 8: No primitive could be loadedAucune partie du dessin n'a pu etre chargee
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*/
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inline int CustomElement::state() const {
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return(elmt_state);
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}
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/**
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@return The name of this element.
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*/
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inline QString CustomElement::name() const {
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return(names.name(location_.baseName()));
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}
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#endif
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