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https://github.com/qelectrotech/qelectrotech-source-mirror.git
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c64b74d328
the element file stay in read only mode, and so user can't save the element git-svn-id: svn+ssh://svn.tuxfamily.org/svnroot/qet/qet/trunk@5648 bfdf4180-ca20-0410-9c96-a3a8aa849046
490 lines
16 KiB
C++
490 lines
16 KiB
C++
/*
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Copyright 2006-2017 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 "elementcollectionhandler.h"
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#include "renamedialog.h"
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#include "xmlelementcollection.h"
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#include "qetproject.h"
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#include "qetxml.h"
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#include <QFile>
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#include <QDir>
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/******************************************************/
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ECHStrategy::ECHStrategy(ElementsLocation &source, ElementsLocation &destination) :
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m_source(source),
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m_destination (destination)
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{}
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ECHStrategy::~ECHStrategy() {}
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/******************************************************/
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ECHSFileToFile::ECHSFileToFile(ElementsLocation &source, ElementsLocation &destination) :
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ECHStrategy(source, destination)
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{}
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ElementsLocation ECHSFileToFile::copy()
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{
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//Check if the destination already have an item with the same name of the item to copy
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ElementsLocation location(m_destination.fileSystemPath() + "/" + m_source.fileName());
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QString rename;
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if (location.exist())
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{
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RenameDialog rd(location.fileSystemPath());
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if (rd.exec() == QDialog::Accepted)
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{
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if (rd.selectedAction() == QET::Erase)
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{
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if (location.isDirectory())
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{
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QDir dir(location.fileSystemPath());
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dir.removeRecursively();
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}
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else
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{
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QFile file(location.fileSystemPath());
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file.remove();
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}
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}
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else if (rd.selectedAction() == QET::Rename)
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{
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rename = rd.newName();
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}
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}
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else
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return ElementsLocation();
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}
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if (m_source.isElement())
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return copyElement(m_source, m_destination, rename);
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else
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return copyDirectory(m_source, m_destination, rename);
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}
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ElementsLocation ECHSFileToFile::copyDirectory(ElementsLocation &source, ElementsLocation &destination, const QString& rename)
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{
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QDir source_dir(source.fileSystemPath());
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QDir destination_dir(destination.fileSystemPath());
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if (!source_dir.exists() || !destination_dir.exists()) return ElementsLocation();
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QString new_dir_name = rename.isEmpty() ? source_dir.dirName() : rename;
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//Create a new dir
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if (destination_dir.mkdir(new_dir_name))
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{
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//The new created directory
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QDir created_dir(destination_dir.canonicalPath() + "/" + new_dir_name);
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//Copy the qet_directory file
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QFile::copy(source_dir.canonicalPath() + "/qet_directory", created_dir.canonicalPath() + "/qet_directory");
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//Copy all dirs found in source_dir to destination_dir
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ElementsLocation created_location(created_dir.canonicalPath());
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//Used this bool when user drop a folder into itself to avoid infinite recursive creation of the dropped dir
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bool copy_itself = false;
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if (source_dir == destination_dir)
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copy_itself = true;
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foreach(QString str, source_dir.entryList(QDir::Dirs | QDir::NoDotAndDotDot, QDir::Name))
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{
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if (copy_itself)
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{
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if (source_dir.dirName() == str)
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{
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copy_itself = false;
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continue;
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}
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}
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ElementsLocation sub_source(source.fileSystemPath() + "/" + str);
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copyDirectory(sub_source, created_location);
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}
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//Copy all elements found in source_dir to destination_dir
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source_dir.setNameFilters(QStringList() << "*.elmt");
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foreach(QString str, source_dir.entryList(QDir::Files | QDir::NoDotAndDotDot, QDir::Name))
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{
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ElementsLocation sub_source(source.fileSystemPath() + "/" + str);
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copyElement(sub_source, created_location);
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}
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return created_location;
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}
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return ElementsLocation();
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}
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ElementsLocation ECHSFileToFile::copyElement(ElementsLocation &source, ElementsLocation &destination, const QString& rename)
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{
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QString new_elmt_name = rename.isEmpty() ? source.fileName() : rename;
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bool rb = QFile::copy(source.fileSystemPath(), destination.fileSystemPath() + "/" + new_elmt_name);
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if (rb)
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{
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#ifdef Q_OS_WIN
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//On windows when user drag and drop an element from the common elements collection
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//to the custom elements collection, the element file stay in read only mode, and so
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//user can't save the element
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extern Q_CORE_EXPORT int qt_ntfs_permission_lookup;
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qt_ntfs_permission_lookup++;
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QFile file(destination.fileSystemPath() + "/" + new_elmt_name);
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if (!file.isWritable()) {
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if (!file.setPermissions(file.permissions() | QFileDevice::WriteUser)) {
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qDebug() << "Failed to change file permission of : " << QFileInfo(file).canonicalFilePath() \
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<< " in ECHSFileToFile::copyElement";
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}
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}
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qt_ntfs_permission_lookup--;
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#endif
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return ElementsLocation (destination.fileSystemPath() + "/" + new_elmt_name);
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}
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else
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return ElementsLocation();
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}
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/******************************************************/
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ECHSXmlToFile::ECHSXmlToFile(ElementsLocation &source, ElementsLocation &destination) :
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ECHStrategy(source, destination)
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{}
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ElementsLocation ECHSXmlToFile::copy()
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{
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//Check if the destination already have an item with the same name of the item to copy
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ElementsLocation location(m_destination.fileSystemPath() + "/" + m_source.fileName());
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QString rename;
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if (location.exist())
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{
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RenameDialog rd(location.fileSystemPath());
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if (rd.exec() == QDialog::Accepted)
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{
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if (rd.selectedAction() == QET::Erase)
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{
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if (location.isDirectory())
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{
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QDir dir(location.fileSystemPath());
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dir.removeRecursively();
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}
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else
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{
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QFile file(location.fileSystemPath());
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file.remove();
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}
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}
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else if (rd.selectedAction() == QET::Rename)
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{
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rename = rd.newName();
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}
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}
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else
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return ElementsLocation();
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}
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if (m_source.isElement())
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return copyElement(m_source, m_destination, rename);
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else
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return copyDirectory(m_source, m_destination, rename);
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}
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ElementsLocation ECHSXmlToFile::copyDirectory(ElementsLocation &source, ElementsLocation &destination, const QString& rename)
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{
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QDir destination_dir(destination.fileSystemPath());
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if (!(destination_dir.exists() && source.exist())) return ElementsLocation();
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QString new_dir_name = rename.isEmpty() ? source.fileName() : rename;
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//Create new dir
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if (destination_dir.mkdir(new_dir_name))
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{
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QDir created_dir(destination_dir.canonicalPath() + "/" + new_dir_name);
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ElementsLocation created_location(created_dir.canonicalPath());
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//Create the qet-directory file
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QDomDocument document;
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QDomElement root = document.createElement("qet-directory");
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document.appendChild(root);
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root.appendChild(source.nameList().toXml(document));
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QString filepath = created_dir.canonicalPath() + "/qet_directory";
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QET::writeXmlFile(document, filepath);
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//Create all directory found in source to created_dir
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XmlElementCollection *project_collection = source.projectCollection();
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QStringList directories_names = project_collection->directoriesNames( project_collection->directory(source.collectionPath(false)) );
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foreach(QString name, directories_names)
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{
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ElementsLocation sub_source_dir(source.projectCollectionPath() + "/" + name);
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copyDirectory(sub_source_dir, created_location);
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}
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//Create all elements found in source to destination
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QStringList elements_names = project_collection->elementsNames( project_collection->directory(source.collectionPath(false))) ;
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foreach (QString name, elements_names)
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{
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ElementsLocation source_element(source.projectCollectionPath() + "/" + name);
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copyElement(source_element, created_location);
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}
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return created_location;
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}
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return ElementsLocation();
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}
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ElementsLocation ECHSXmlToFile::copyElement(ElementsLocation &source, ElementsLocation &destination, const QString& rename)
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{
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if (!(destination.exist() && source.exist())) return ElementsLocation();
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QString new_element_name = rename.isEmpty() ? source.fileName() : rename;
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//Get the xml descrption of the element
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QDomDocument document;
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document.appendChild(document.importNode(source.xml(), true));
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//Create the .elmt file
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QString filepath = destination.fileSystemPath() + "/" + new_element_name;
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if (QET::writeXmlFile(document, filepath))
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return ElementsLocation(filepath);
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else
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return ElementsLocation();
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}
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/******************************************************/
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ECHSToXml::ECHSToXml(ElementsLocation &source, ElementsLocation &destination) :
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ECHStrategy(source, destination)
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{}
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ElementsLocation ECHSToXml::copy()
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{
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if (!(m_source.exist() && m_destination.isDirectory() && m_destination.isProject())) return ElementsLocation();
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//Check if the destination already have an item with the same name of the item to copy
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ElementsLocation location(m_destination.projectCollectionPath() + "/" + m_source.fileName());
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QString rename;
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if (location.exist())
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{
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RenameDialog rd(location.collectionPath());
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if(rd.exec() == QDialog::Accepted)
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{
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if (rd.selectedAction() == QET::Rename)
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rename = rd.newName();
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}
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else
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return ElementsLocation();
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}
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return m_destination.projectCollection()->copy(m_source, m_destination, rename);
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}
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/******************************************************/
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/**
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* @brief ElementCollectionHandler::ElementCollectionHandler
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* @param widget
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*/
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ElementCollectionHandler::ElementCollectionHandler() {}
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ElementCollectionHandler::~ElementCollectionHandler()
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{
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if (m_strategy) delete m_strategy;
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}
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/**
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* @brief ElementCollectionHandler::copy
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* Copy the content of collection represented by source to the collection represented by destination.
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* Destination must be a directory, else the copy do nothing and return a null ElementLocation
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* if destination have an item with the same name of source, a dialog ask to user what to do.
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* @param source
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* @param destination
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* @return
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*/
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ElementsLocation ElementCollectionHandler::copy(ElementsLocation &source, ElementsLocation &destination)
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{
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if (!source.exist() || !destination.exist() || destination.isElement()) return ElementsLocation();
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if (source.isFileSystem() && destination.isFileSystem()) m_strategy = new ECHSFileToFile(source, destination);
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if (source.isProject() && destination.isFileSystem()) m_strategy = new ECHSXmlToFile(source, destination);
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else if (destination.isProject()) m_strategy = new ECHSToXml(source, destination);
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if (m_strategy)
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return m_strategy->copy();
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else
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return ElementsLocation();
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}
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/**
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* @brief ElementCollectionHandler::createDir
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* Create a directorie with name @name as child of @parent.
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* Parent must be a directory
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* @param parent : parent of the dir to create
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* @param name : name of directorie to create
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* @param name_list : translations of the directorie name
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* @return : ElementsLocation that represent the new directorie, location can be null if an error was occurred
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*/
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ElementsLocation ElementCollectionHandler::createDir(ElementsLocation &parent, const QString &name, const NamesList &name_list)
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{
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//Parent must be a directorie and writable
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if (!(parent.isDirectory() && parent.isWritable() && parent.exist())) {
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qDebug() << "ElementCollectionHandler::createDir : the prerequisites are not valid. " << parent;
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return ElementsLocation();
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}
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//Directorie to create must not already exist
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ElementsLocation created_dir = parent;
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created_dir.addToPath(name);
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if (created_dir.exist()) {
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return ElementsLocation();
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}
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//Location is a file system
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if (parent.isFileSystem()) {
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QDir parent_dir(parent.fileSystemPath());
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if (parent_dir.mkdir(name)) {
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//Create the qet-directory file
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QDomDocument document;
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QDomElement root = document.createElement("qet-directory");
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document.appendChild(root);
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root.appendChild(name_list.toXml(document));
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QString filepath = created_dir.fileSystemPath() + "/qet_directory";
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if (!QET::writeXmlFile(document, filepath)) {
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qDebug() << "ElementCollectionHandler::createDir : write qet-directory file failed";
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}
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return created_dir;
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}
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else {
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qDebug() << "ElementCollectionHandler::createDir : error was occurred at creation of new directories in file system. ";
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return ElementsLocation();
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}
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}
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else if (parent.isProject()) {
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XmlElementCollection *xmlec = parent.projectCollection();
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if (xmlec->createDir(parent.collectionPath(false), name, name_list)) {
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return created_dir;
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}
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else {
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qDebug() << "ElementCollectionHandler::createDir : error was occurred at creation of new directories in embbeded collection.";
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return ElementsLocation();
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}
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}
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return ElementsLocation();
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}
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/**
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* @brief ElementCollectionHandler::importFromProject
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* Import the element represented by @location to the embedded collection of @project at the same path.
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* @location must represente an element owned by a project embedded collection
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* @param project : project where copy the element
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* @param location : location to copy
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* @return true if import with success
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*/
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bool ElementCollectionHandler::importFromProject(QETProject *project, ElementsLocation &location)
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{
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if (!(location.isElement() && location.exist() && location.isProject())) return false;
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ElementsLocation destination(location.collectionPath(false), project);
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if (destination.exist()) return true;
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QList <QString> names;
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//Get the parent of location and find if exist in embedded collection of project
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ElementsLocation source = location.parent();
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names.append(location.fileName());
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destination = ElementsLocation(source.collectionPath(), project);
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//Go back until to find an existing directory in destination
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while (!destination.exist()) {
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names.append(source.fileName());
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source = source.parent();
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destination = ElementsLocation(source.collectionPath(), project);
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}
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XmlElementCollection *collection = project->embeddedElementCollection();
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while (!names.isEmpty()) {
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source.addToPath(names.takeLast());
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destination = collection->copy(source, destination, QString(), false);
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if (!destination.exist())
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return false;
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}
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return true;
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}
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/**
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* @brief ElementCollectionHandler::setNames
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* Set the names stored in @name_list as the names of the item represented by location
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* @param location : location to change the names
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* @param name_list : NamesList to use
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* @return return true if success
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*/
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bool ElementCollectionHandler::setNames(ElementsLocation &location, const NamesList &name_list)
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{
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if ( !(location.exist() && location.isWritable()) ) {
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return false;
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}
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if (location.isFileSystem()) {
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if (location.isDirectory()) {
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QDomDocument document;
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QDomElement root = document.createElement("qet-directory");
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document.appendChild(root);
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root.appendChild(name_list.toXml(document));
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QString filepath = location.fileSystemPath() + "/qet_directory";
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if (!QET::writeXmlFile(document, filepath)) {
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qDebug() << "ElementCollectionHandler::setNames : write qet-directory file failed";
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return false;
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}
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return true;
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}
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if (location.isElement()) {
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QDomDocument document;
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document.appendChild(document.importNode(location.xml(), true));
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if (document.isNull()) {
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qDebug() << "ElementCollectionHandler::setNames : failed to load xml document from file";
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return false;
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}
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QDomElement document_element = document.documentElement();
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document_element.replaceChild(name_list.toXml(document), document_element.firstChildElement("names"));
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return true;
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}
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}
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if (location.isProject()) {
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QDomElement element = location.xml();
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QDomDocument document = element.ownerDocument();
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element.replaceChild(name_list.toXml(document), element.firstChildElement("names"));
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return true;
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}
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return false;
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}
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