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99 lines
2.5 KiB
C++
99 lines
2.5 KiB
C++
/*
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Copyright 2006-2020 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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#include "slaveelement.h"
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#include "diagramposition.h"
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#include "qetapp.h"
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#include "diagram.h"
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#include "dynamicelementtextitem.h"
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/**
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* @brief SlaveElement::SlaveElement
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* Default constructor
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* @param location location of xml definition
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* @param qgi parent QGraphicItem
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* @param s parent diagram
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* @param state int used to know if the creation of element have error
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*/
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SlaveElement::SlaveElement(const ElementsLocation &location, QGraphicsItem *qgi, int *state) :
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Element(location, qgi, state, Element::Slave)
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{
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m_xref_item = nullptr;
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}
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/**
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* @brief SlaveElement::~SlaveElement
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* default destructor
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*/
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SlaveElement::~SlaveElement() {
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unlinkAllElements();
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}
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/**
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* @brief SlaveElement::linkToElement
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* Link this slave to another element
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* For this class element must be a master
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* @param elmt
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*/
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void SlaveElement::linkToElement(Element *elmt)
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{
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// check if element is master and if isn't already linked
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if (elmt->linkType() == Master && !connected_elements.contains(elmt))
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{
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if(!isFree())
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unlinkAllElements();
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connected_elements << elmt;
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elmt -> linkToElement(this);
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emit linkedElementChanged();
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}
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}
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/**
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* @brief SlaveElement::unlinkAllElements
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* Unlink all of the element in the QList connected_elements
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*/
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void SlaveElement::unlinkAllElements()
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{
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// if this element is free no need to do something
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if (!isFree())
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{
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foreach(Element *elmt, connected_elements)
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unlinkElement(elmt);
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emit linkedElementChanged();
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}
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}
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/**
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* @brief SlaveElement::unlinkElement
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* Unlink the given elmt in parametre
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* @param elmt
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*/
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void SlaveElement::unlinkElement(Element *elmt)
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{
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//Ensure elmt is linked to this element
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if (connected_elements.contains(elmt))
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{
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connected_elements.removeOne(elmt);
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elmt -> unlinkElement (this) ;
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elmt -> setHighlighted (false);
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emit linkedElementChanged();
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}
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}
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