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/fileelementscollection.cpp

@@ -0,0 +1,125 @@
+/*
+	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 "fileelementscollection.h"
+#include "fileelementscategory.h"
+
+/**
+	Constructeur
+	@param path Chemin du dossier racine de la collection
+	@param parent QObject parent de la collection
+*/
+FileElementsCollection::FileElementsCollection(const QString &path, ElementsCollectionItem *parent) :
+	ElementsCollection(parent),
+	coll_path(path)
+{
+	protocol_ = "unknown";
+	project_ = 0;
+	root = 0;
+	reload();
+}
+
+/**
+	Destructeur
+*/
+FileElementsCollection::~FileElementsCollection() {
+	deleteContent();
+}
+
+/**
+	@return la categorie racine de la collection
+*/
+ElementsCategory *FileElementsCollection::rootCategory() {
+	return(root);
+}
+
+/**
+	Recharge l'arborescence des categories et elements.
+*/
+void FileElementsCollection::reload() {
+	// oublie l'arborescence precedente
+	deleteContent();
+	
+	// le dossier doit exister et etre lisible
+	QDir coll_dir(coll_path);
+	if (!coll_dir.exists() || !coll_dir.isReadable()) return;
+	coll_path = coll_dir.canonicalPath();
+	
+	root = new FileElementsCategory(coll_path, 0, this);
+}
+
+/**
+	@return true si cette collection est representee quelque part sur le
+	systeme de fichiers.
+*/
+bool FileElementsCollection::hasFilePath() {
+	return(!coll_path.isEmpty());
+}
+
+/**
+	@return le chemin du repertoire representant cette collection
+*/
+QString FileElementsCollection::filePath() {
+	return(coll_path);
+}
+
+/**
+	@param path Nouveau chemin de la collection
+	Cette methode ne recharge pas la collection
+*/
+void FileElementsCollection::setFilePath(const QString &path) {
+	coll_path = path;
+}
+
+/**
+	Supprime le contenu en memoire de cette collection
+*/
+void FileElementsCollection::deleteContent() {
+	delete root;
+	root = 0;
+}
+
+/**
+	@return ttrue si la categorie racine de la collection existe
+*/
+bool FileElementsCollection::exists() {
+	return(root && root -> exists());
+}
+
+/**
+	@return true si la collection est accessible en lecture
+*/
+bool FileElementsCollection::isReadable() {
+	// une collection est accessible en lecture si sa categorie racine l'est
+	return(root && root -> isReadable());
+}
+
+/**
+	@return true si la collection est accessible en ecriture
+*/
+bool FileElementsCollection::isWritable() {
+	// une collection est accessible en ecriture si sa categorie racine l'est
+	return(root && root -> isWritable());
+}
+
+/**
+	Ne fait rien
+	@return toujours true
+*/
+bool FileElementsCollection::write() {
+	return(true);
+}