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add pattern factory/singletton to create different type of element

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add two news class for element type : simple and folio report
add an empty tab for the element report in the element properties widget


git-svn-id: svn+ssh://svn.tuxfamily.org/svnroot/qet/qet/trunk@2665 bfdf4180-ca20-0410-9c96-a3a8aa849046
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blacksun
2013-12-20 20:30:55 +00:00
parent fa91cead3f
commit 7ff6ac4410
18 changed files with 326 additions and 30 deletions
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52
sources/factory/elementfactory.cpp Normal file
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/*
Copyright 2006-2013 The QElectroTech Team
This file is part of QElectroTech.
QElectroTech 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.
QElectroTech is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with QElectroTech. If not, see <http://www.gnu.org/licenses/>.
*/
#include "elementfactory.h"
#include "elementdefinition.h"
#include "elementscollectionitem.h"
#include "qetapp.h"
#include "QDomElement"
#include "qetgraphicsitem/simpleelement.h"
#include "qetgraphicsitem/reportelement.h"
ElementFactory* ElementFactory::factory_ = 0;
/**
* @brief ElementFactory::createElement
* @param location create element at this location
* @param qgi parent item for this elemnt
* @param s diagram of the element
* @param state state of the creation
* @return the element or 0
*/
Element * ElementFactory::createElement(const ElementsLocation &location, QGraphicsItem *qgi, Diagram *s, int *state) {
// recupere la definition de l'element
ElementsCollectionItem *element_item = QETApp::collectionItem(location);
ElementDefinition *element_definition;
if (!element_item ||\
!element_item -> isElement() ||\
!(element_definition = qobject_cast<ElementDefinition *>(element_item))) {
if (state) *state = 1;
return 0;
}
if (element_definition->xml().hasAttribute("link_type")) {
QString link_type = element_definition->xml().attribute("link_type");
if (link_type == "folio_report") return (new ReportElement(location, qgi, s, state));
}
//default if nothing match for link_type
return (new SimpleElement(location, qgi, s, state));
}