bool Folder::readChildAspectElement(XmlStreamReader * reader)
{
bool loaded = false;
Q_ASSERT(reader->isStartElement() && reader->name() == "child_aspect");
if (!reader->skipToNextTag()) return false;
if (reader->isEndElement() && reader->name() == "child_aspect") return true; // empty element tag
QString element_name = reader->name().toString();
if (element_name == "folder")
{
Folder * folder = new Folder(tr("Folder %1").arg(1));
if (!folder->load(reader))
{
delete folder;
return false;
}
addChild(folder);
loaded = true;
}
else if (element_name == "column")
{
Column * column = new Column(tr("Column %1").arg(1), SciDAVis::Text);
if (!column->load(reader))
{
delete column;
return false;
}
addChild(column);
loaded = true;
}
else
{
foreach(QObject * plugin, QPluginLoader::staticInstances())
{
XmlElementAspectMaker * maker = qobject_cast<XmlElementAspectMaker *>(plugin);
if (maker && maker->canCreate(element_name))
{
AbstractAspect * aspect = maker->createAspectFromXml(reader);
if (aspect)
{
addChild(aspect);
loaded = true;
break;
}
else
{
reader->raiseError(tr("creation of aspect from element '%1' failed").arg(element_name));
return false;
}
}
}
}
/*!
Loads from XML.
*/
bool FileDataSource::load(XmlStreamReader* reader) {
if(!reader->isStartElement() || reader->name() != "fileDataSource") {
reader->raiseError(i18n("no fileDataSource element found"));
return false;
}
if (!readBasicAttributes(reader))
return false;
QString attributeWarning = i18n("Attribute '%1' missing or empty, default value is used");
QXmlStreamAttributes attribs;
QString str;
while (!reader->atEnd()) {
reader->readNext();
if (reader->isEndElement() && reader->name() == "fileDataSource")
break;
if (!reader->isStartElement())
continue;
if (reader->name() == "comment") {
if (!readCommentElement(reader))
return false;
} else if (reader->name() == "general"){
attribs = reader->attributes();
str = attribs.value("fileName").toString();
if(str.isEmpty())
reader->raiseWarning(attributeWarning.arg("'fileName'"));
else
m_fileName = str;
str = attribs.value("fileType").toString();
if(str.isEmpty())
reader->raiseWarning(attributeWarning.arg("'fileType'"));
else
m_fileType = (FileType)str.toInt();
str = attribs.value("fileWatched").toString();
if(str.isEmpty())
reader->raiseWarning(attributeWarning.arg("'fileWatched'"));
else
m_fileWatched = str.toInt();
str = attribs.value("fileLinked").toString();
if(str.isEmpty())
reader->raiseWarning(attributeWarning.arg("'fileLinked'"));
else
m_fileLinked = str.toInt();
} else if (reader->name() == "asciiFilter") {
m_filter = new AsciiFilter();
if (!m_filter->load(reader))
return false;
} else if(reader->name() == "column") {
Column* column = new Column("", AbstractColumn::Text);
if (!column->load(reader)) {
delete column;
setColumnCount(0);
return false;
}
addChild(column);
} else {// unknown element
reader->raiseWarning(i18n("unknown element '%1'", reader->name().toString()));
if (!reader->skipToEndElement()) return false;
}
}
//read the content of the file if it was only linked
if (m_fileLinked)
this->read();
return !reader->hasError();
}