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Updated LibraryWindow::reloadAfterCopyMove for only re-fetching/updating the affected folders by a copy/move action

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This commit is contained in:
Luis Ángel San Martín
2014-10-15 16:30:51 +02:00
parent 46e4cfceb9
commit ebf2ee72b2
5 changed files with 94 additions and 74 deletions
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78
YACReaderLibrary/db/treemodel.cpp
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@ -311,11 +311,33 @@ void TreeModel::setupModelData(QSqlQuery &sqlquery, TreeItem *parent)
item->id = record.value("id").toULongLong();
//la inserci<63>n de hijos se hace de forma ordenada
TreeItem * parent = items.value(record.value("parentId").toULongLong());
if(parent !=0) //TODO if parent==0 the parent of item was removed from the DB and delete on cascade didn't work, ERROR.
//if(parent !=0) //TODO if parent==0 the parent of item was removed from the DB and delete on cascade didn't work, ERROR.
parent->appendChild(item);
//se a<>ade el item al map, de forma que se pueda encontrar como padre en siguientes iteraciones
items.insert(item->id,item);
}
}
}
void TreeModel::updateFolderModelData(QSqlQuery &sqlquery, TreeItem *parent)
{
while (sqlquery.next()) {
QList<QVariant> data;
QSqlRecord record = sqlquery.record();
data << record.value("name").toString();
data << record.value("path").toString();
data << record.value("finished").toBool();
data << record.value("completed").toBool();
TreeItem * item = new TreeItem(data);
item->id = record.value("id").toULongLong();
//la inserci<63>n de hijos se hace de forma ordenada
TreeItem * parent = items.value(record.value("parentId").toULongLong());
if(parent !=0) //TODO if parent==0 the parent of item was removed from the DB and delete on cascade didn't work, ERROR.
parent->appendChild(item);
//se a<>ade el item al map, de forma que se pueda encontrar como padre en siguientes iteraciones
items.insert(item->id,item);
}
}
void TreeModel::setupFilteredModelData()
@ -545,7 +567,57 @@ QStringList TreeModel::getSubfoldersNames(const QModelIndex &mi)
return result;
}
void TreeModel::fetchMore(const QModelIndex &parent)
void TreeModel::fetchMoreFromDB(const QModelIndex &parent)
{
TreeItem * item;
if(parent.isValid())
item = static_cast<TreeItem*>(parent.internalPointer());
else
item = rootItem;
//Remove all children
beginRemoveRows(parent, 0, item->childCount());
item->clearChildren();
endRemoveRows();
QSqlDatabase db = DataBaseManagement::loadDatabase(_databasePath);
QList<TreeItem *> items;
QList<TreeItem *> nextLevelItems;
QSqlQuery selectQuery(db);
selectQuery.prepare("select * from folder where id <> 1 and parentId = :parentId order by parentId,name");
items << item;
bool firstLevelUpdate = false;
while(items.size() > 0)
{
nextLevelItems.clear();
foreach(TreeItem * item, items)
{
selectQuery.bindValue(":parentId", item->id);
selectQuery.exec();
//Reload all children
if(!firstLevelUpdate)
{
beginInsertRows(parent, 0, selectQuery.numRowsAffected());
firstLevelUpdate = true;
}
updateFolderModelData(selectQuery,item);
if(!firstLevelUpdate)
endInsertRows();
nextLevelItems << item->children();
}
items.clear();
items = nextLevelItems;
}
db.close();
QSqlDatabase::removeDatabase(_databasePath);
}