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/*
Copyright (C) 2006-2010 Tuomas Suutari <thsuut@utu.fi>
This program 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.
This program 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 this program (see the file COPYING); if not, write to the
Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
MA 02110-1301 USA.
*/
#include "SQLCategoryCollection.h"
#include "QueryHelper.h"
#include <QList>
#include "SQLNormalCategory.h"
#include "SQLTokensCategory.h"
#include "SQLFolderCategory.h"
#include "QueryErrors.h"
SQLDB::SQLCategoryCollection::SQLCategoryCollection(QueryHelper& queryHelper):
_qh(queryHelper)
{
// Categories, which should not have an entry in category table.
_specialCategoryNames << QString::fromLatin1("Folder");
}
DB::CategoryPtr SQLDB::SQLCategoryCollection::categoryForName( const QString& name ) const
{
DB::CategoryPtr p;
if (name == QString::fromLatin1("Folder")) {
p = new SQLFolderCategory(const_cast<QueryHelper*>(&_qh));
}
else {
int categoryId;
try {
categoryId = _qh.categoryId(name);
}
catch (NotFoundError&) {
return DB::CategoryPtr(0);
}
if (name == QString::fromLatin1("Tokens")) {
p = new SQLTokensCategory(const_cast<QueryHelper*>(&_qh), categoryId);
}
else {
p = new SQLNormalCategory(const_cast<QueryHelper*>(&_qh), categoryId);
}
}
connect(p.data(), SIGNAL(changed()), this, SIGNAL(categoryCollectionChanged()));
connect(p.data(), SIGNAL(itemRemoved(const QString&)),
this, SLOT(itemRemoved(const QString&)));
connect(p.data(), SIGNAL(itemRenamed(const QString&, const QString&)),
this, SLOT(itemRenamed(const QString&, const QString&)));
return p;
}
QStringList SQLDB::SQLCategoryCollection::categoryNames() const
{
return _specialCategoryNames + _qh.categoryNames();
}
void SQLDB::SQLCategoryCollection::removeCategory( const QString& name )
{
if (_specialCategoryNames.contains(name))
return;
try {
_qh.removeCategory(name);
}
catch (NotFoundError&) {
return;
}
emit categoryCollectionChanged();
}
void SQLDB::SQLCategoryCollection::rename(const QString& oldName, const QString& newName)
{
categoryForName(oldName)->setName(newName);
}
QList<DB::CategoryPtr> SQLDB::SQLCategoryCollection::categories() const
{
const QStringList cats = categoryNames();
QList<DB::CategoryPtr> result;
for( QStringList::ConstIterator it = cats.constBegin(); it != cats.constEnd(); ++it ) {
result.append( categoryForName( *it ) );
}
return result;
}
void SQLDB::SQLCategoryCollection::addCategory(const QString& category,
const QString& icon,
DB::Category::ViewType type,
int thumbnailSize, bool showIt)
{
if (_specialCategoryNames.contains(category))
return;
try {
_qh.insertCategory(category, icon, showIt, type, thumbnailSize);
}
catch (Error& e) {
// Check if error occurred, because category already exists
try {
_qh.categoryId(category);
}
catch (Error&) {
throw e; // Throw the original error
}
return; // Don't overwrite existing category
}
emit categoryCollectionChanged();
}
#include "SQLCategoryCollection.moc"
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