Rapatriement de la branche 0.2 dans le trunk

git-svn-id: svn+ssh://svn.tuxfamily.org/svnroot/qet/qet/trunk@558 bfdf4180-ca20-0410-9c96-a3a8aa849046

sources/xmlelementscollection.cpp

@@ -0,0 +1,135 @@
+/*
+	Copyright 2006-2009 Xavier Guerrin
+	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 "xmlelementscollection.h"
+#include "xmlelementscategory.h"
+#include "qetproject.h"
+
+/**
+	Construit une collection vide
+	@param parent Item parent
+*/
+XmlElementsCollection::XmlElementsCollection(ElementsCollectionItem *parent) :
+	ElementsCollection(parent)
+{
+	protocol_ = "unknown";
+	project_ = 0;
+	// cree une categorie racine vide
+	root = new XmlElementsCategory(0, this);
+	connect(root, SIGNAL(written()), this, SLOT(componentWritten()));
+}
+
+/**
+	Construit une collection a partir d'un element XML suppose la decrire
+	@param xml_element Element XML decrivant la collection
+	@param parent Item parent
+*/
+XmlElementsCollection::XmlElementsCollection(const QDomElement &xml_element, ElementsCollectionItem *parent) :
+	ElementsCollection(parent)
+{
+	protocol_ = "unknown";
+	project_ = 0;
+	// cree sa categorie racine a partir de l'element XML
+	root = new XmlElementsCategory(xml_element, 0, this);
+	connect(root, SIGNAL(written()), this, SLOT(componentWritten()));
+}
+
+/**
+	Destructeur
+*/
+XmlElementsCollection::~XmlElementsCollection() {
+	deleteContent();
+}
+
+ElementsCategory *XmlElementsCollection::rootCategory() {
+	return(root);
+}
+
+/**
+	@return toujours false ; une collection XML n'est representee nul part sur
+	le systeme de fichiers.
+*/
+bool XmlElementsCollection::hasFilePath() {
+	return(false);
+}
+
+/**
+	@return le chemin du repertoire representant cette collection
+*/
+QString XmlElementsCollection::filePath() {
+	return(QString());
+}
+
+/**
+	Ne fait rien - une collection XML n'est representee nul part sur le systeme
+	de fichiers.
+*/
+void XmlElementsCollection::setFilePath(const QString &) {
+}
+
+void XmlElementsCollection::reload() {
+	if (root) root -> reload();
+}
+
+/**
+	@return toujours true
+*/
+bool XmlElementsCollection::exists() {
+	return(true);
+}
+
+/**
+	@return true si la collection est accessible en lecture
+*/
+bool XmlElementsCollection::isReadable() {
+	// une collection XML n'a aucune raison de ne pas etre accessible en lecture
+	return(true);
+}
+
+bool XmlElementsCollection::isWritable() {
+	// une collection XML peut etre en lecture seule si le projet auquel elle
+	// appartient l'est
+	if (QETProject *parent_project = project()) {
+		return(!parent_project -> isReadOnly());
+	} else {
+		return(true);
+	}
+}
+
+bool XmlElementsCollection::write() {
+	emit(written());
+	return(true);
+}
+
+QDomElement XmlElementsCollection::writeXml(QDomDocument &xml_doc) const {
+	QDomElement collection_elmt = root -> writeXml(xml_doc);
+	collection_elmt.setTagName("collection");
+	xml_doc.appendChild(collection_elmt);
+	return(collection_elmt);
+}
+
+void XmlElementsCollection::componentWritten() {
+	write();
+}
+
+/**
+	Supprime le contenu en memoire de cette collection
+*/
+void XmlElementsCollection::deleteContent() {
+	delete root;
+	root = 0;
+}