mirror of
https://github.com/YACReader/yacreader
synced 2025-07-22 15:04:40 -04:00
new class for controlling navigation in LibraryWindow (NavigationController), code refactoring
This commit is contained in:
@ -99,7 +99,7 @@ void drawMacOSXFinishedFolderIcon()
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#define ROOT 1
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FolderModel::FolderModel(QObject *parent)
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: QAbstractItemModel(parent),rootItem(0),rootBeforeFilter(0),filterEnabled(false),includeComics(false)
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: QAbstractItemModel(parent),rootItem(0)
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{
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connect(this,SIGNAL(beforeReset()),this,SIGNAL(modelAboutToBeReset()));
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connect(this,SIGNAL(reset()),this,SIGNAL(modelReset()));
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@ -107,7 +107,7 @@ FolderModel::FolderModel(QObject *parent)
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//! [0]
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FolderModel::FolderModel( QSqlQuery &sqlquery, QObject *parent)
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: QAbstractItemModel(parent),rootItem(0),rootBeforeFilter(0),filterEnabled(false),includeComics(false)
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: QAbstractItemModel(parent),rootItem(0)
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{
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//lo m<>s probable es que el nodo ra<72>z no necesite tener informaci<63>n
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QList<QVariant> rootData;
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@ -234,6 +234,7 @@ QModelIndex FolderModel::parent(const QModelIndex &index) const
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}
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//! [7]
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/*
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QModelIndex FolderModel::indexFromItem(FolderItem * item,int column)
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{
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//if(item->parent() != 0)
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@ -241,7 +242,7 @@ QModelIndex FolderModel::indexFromItem(FolderItem * item,int column)
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//else
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// return index(item->row(),0,QModelIndex());
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return createIndex(item->row(), column, item);
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}
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}*/
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//! [8]
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@ -265,9 +266,9 @@ void FolderModel::setupModelData(QString path)
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beginResetModel();
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if(rootItem != 0)
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delete rootItem; //TODO comprobar que se libera bien la memoria
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filterEnabled = false;
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rootItem = 0;
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rootBeforeFilter = 0;
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//inicializar el nodo ra<72>z
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QList<QVariant> rootData;
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rootData << "root"; //id 0, padre 0, title "root" (el id, y el id del padre van a ir en la clase TreeItem)
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@ -323,6 +324,7 @@ void FolderModel::setupModelData(QSqlQuery &sqlquery, FolderItem *parent)
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void FolderModel::updateFolderModelData(QSqlQuery &sqlquery, FolderItem *parent)
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{
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while (sqlquery.next()) {
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QLOG_DEBUG () << "habia next";
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QList<QVariant> data;
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QSqlRecord record = sqlquery.record();
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@ -342,160 +344,6 @@ void FolderModel::updateFolderModelData(QSqlQuery &sqlquery, FolderItem *parent)
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}
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}
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void FolderModel::setupFilteredModelData()
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{
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beginResetModel();
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//TODO hay que liberar memoria de anteriores filtrados
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//inicializar el nodo ra<72>z
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if(rootBeforeFilter == 0)
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rootBeforeFilter = rootItem;
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else
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delete rootItem;//los resultados de la b<>squeda anterior deben ser borrados
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QList<QVariant> rootData;
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rootData << "root"; //id 1, padre 1, title "root" (el id, y el id del padre van a ir en la clase TreeItem)
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rootItem = new FolderItem(rootData);
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rootItem->id = ROOT;
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rootItem->parentItem = 0;
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//cargar la base de datos
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QSqlDatabase db = DataBaseManagement::loadDatabase(_databasePath);
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//crear la consulta
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{
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QSqlQuery selectQuery(db); //TODO check
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if(!includeComics)
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{
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selectQuery.prepare("select * from folder where id <> 1 and upper(name) like upper(:filter) order by parentId,name ");
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selectQuery.bindValue(":filter", "%%"+filter+"%%");
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}
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else
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{
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switch(modifier)
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{
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case YACReader::NoModifiers:
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selectQuery.prepare("SELECT DISTINCT f.id, f.parentId, f.name, f.path, f.finished, f.completed "
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"FROM folder f LEFT JOIN comic c ON (f.id = c.parentId) "
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"WHERE f.id <> 1 AND ((UPPER(c.fileName) like UPPER(:filter)) OR (UPPER(f.name) like UPPER(:filter2))) ORDER BY f.parentId,f.name");
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selectQuery.bindValue(":filter", "%%"+filter+"%%");
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selectQuery.bindValue(":filter2", "%%"+filter+"%%");
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break;
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case YACReader::OnlyRead:
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selectQuery.prepare("SELECT DISTINCT f.id, f.parentId, f.name, f.path, f.finished, f.completed "
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"FROM folder f LEFT JOIN (comic c INNER JOIN comic_info ci ON (c.comicInfoId = ci.id)) ON (f.id = c.parentId) "
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"WHERE f.id <> 1 AND ((UPPER(c.fileName) like UPPER(:filter)) OR (UPPER(f.name) like UPPER(:filter2))) AND ci.read = 1 ORDER BY f.parentId,f.name;");
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selectQuery.bindValue(":filter", "%%"+filter+"%%");
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selectQuery.bindValue(":filter2", "%%"+filter+"%%");
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break;
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case YACReader::OnlyUnread:
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selectQuery.prepare("SELECT DISTINCT f.id, f.parentId, f.name, f.path, f.finished, f.completed "
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"FROM folder f LEFT JOIN (comic c INNER JOIN comic_info ci ON (c.comicInfoId = ci.id)) ON (f.id = c.parentId) "
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"WHERE f.id <> 1 AND ((UPPER(c.fileName) like UPPER(:filter)) OR (UPPER(f.name) like UPPER(:filter2))) AND ci.read = 0 ORDER BY f.parentId,f.name;");
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selectQuery.bindValue(":filter", "%%"+filter+"%%");
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selectQuery.bindValue(":filter2", "%%"+filter+"%%");
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break;
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default:
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QLOG_ERROR() << "not implemented";
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break;
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}
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}
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selectQuery.exec();
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setupFilteredModelData(selectQuery,rootItem);
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}
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//selectQuery.finish();
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db.close();
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QSqlDatabase::removeDatabase(_databasePath);
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endResetModel();
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}
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void FolderModel::setupFilteredModelData(QSqlQuery &sqlquery, FolderItem *parent)
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{
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//64 bits para la primary key, es decir la misma precisi<73>n que soporta sqlit 2^64
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filteredItems.clear();
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//se a<>ade el nodo 0 al modelo que representa el arbol de elementos que cumplen con el filtro
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filteredItems.insert(parent->id,parent);
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while (sqlquery.next()) { //se procesan todos los folders que cumplen con el filtro
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//datos de la base de datos
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QList<QVariant> data;
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QSqlRecord record = sqlquery.record();
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data << record.value("name").toString();
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data << record.value("path").toString();
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data << record.value("finished").toBool();
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data << record.value("completed").toBool();
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FolderItem * item = new FolderItem(data);
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item->id = sqlquery.value(0).toULongLong();
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//id del padre
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quint64 parentId = record.value("parentId").toULongLong();
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//se a<>ade el item al map, de forma que se pueda encontrar como padre en siguientes iteraciones
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if(!filteredItems.contains(item->id))
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filteredItems.insert(item->id,item);
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//es necesario conocer las coordenadas de origen para poder realizar scroll autom<6F>tico en la vista
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item->originalItem = items.value(item->id);
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//si el padre ya existe en el modelo, el item se a<>ade como hijo
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if(filteredItems.contains(parentId))
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filteredItems.value(parentId)->appendChild(item);
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else//si el padre a<>n no se ha a<>adido, hay que a<>adirlo a <20>l y todos los padres hasta el nodo ra<72>z
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{
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//comprobamos con esta variable si el <20>ltimo de los padres (antes del nodo ra<72>z) ya exist<73>a en el modelo
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bool parentPreviousInserted = false;
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//mientras no se alcance el nodo ra<72>z se procesan todos los padres (de abajo a arriba)
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while(parentId != ROOT )
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{
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//el padre no estaba en el modelo filtrado, as<61> que se rescata del modelo original
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FolderItem * parentItem = items.value(parentId);
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//se debe crear un nuevo nodo (para no compartir los hijos con el nodo original)
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FolderItem * newparentItem = new FolderItem(parentItem->getData()); //padre que se a<>adir<69> a la estructura de directorios filtrados
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newparentItem->id = parentId;
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newparentItem->originalItem = parentItem;
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//si el modelo contiene al padre, se a<>ade el item actual como hijo
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if(filteredItems.contains(parentId))
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{
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filteredItems.value(parentId)->appendChild(item);
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parentPreviousInserted = true;
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}
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//sino se registra el nodo para poder encontrarlo con posterioridad y se a<>ade el item actual como hijo
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else
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{
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newparentItem->appendChild(item);
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filteredItems.insert(newparentItem->id,newparentItem);
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parentPreviousInserted = false;
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}
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//variables de control del bucle, se avanza hacia el nodo padre
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item = newparentItem;
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parentId = parentItem->parentItem->id;
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}
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//si el nodo es hijo de 1 y no hab<61>a sido previamente insertado como hijo, se a<>ade como tal
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if(!parentPreviousInserted)
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filteredItems.value(ROOT)->appendChild(item);
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}
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}
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}
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QString FolderModel::getDatabase()
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{
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return _databasePath;
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@ -508,15 +356,7 @@ QString FolderModel::getFolderPath(const QModelIndex &folder)
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return static_cast<FolderItem*>(folder.internalPointer())->data(FolderModel::Path).toString();
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}
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void FolderModel::setFilter(const YACReader::SearchModifiers modifier, QString filter, bool includeComics)
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{
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this->filter = filter;
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this->includeComics = includeComics;
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this->modifier = modifier;
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filterEnabled = true;
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setupFilteredModelData();
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}
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/*
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void FolderModel::resetFilter()
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{
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beginResetModel();
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@ -535,7 +375,7 @@ void FolderModel::resetFilter()
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endResetModel();
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}
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}*/
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void FolderModel::updateFolderCompletedStatus(const QModelIndexList &list, bool status)
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{
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@ -609,9 +449,12 @@ void FolderModel::fetchMoreFromDB(const QModelIndex &parent)
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item = rootItem;
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//Remove all children
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beginRemoveRows(parent, 0, item->childCount());
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item->clearChildren();
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endRemoveRows();
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if(item->childCount() > 0)
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{
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beginRemoveRows(parent, 0, item->childCount()-1);
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item->clearChildren();
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endRemoveRows();
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}
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QSqlDatabase db = DataBaseManagement::loadDatabase(_databasePath);
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@ -622,26 +465,38 @@ void FolderModel::fetchMoreFromDB(const QModelIndex &parent)
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selectQuery.prepare("select * from folder where id <> 1 and parentId = :parentId order by parentId,name");
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items << item;
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bool firstLevelUpdate = false;
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bool firstLevelUpdated = false;
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while(items.size() > 0)
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{
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nextLevelItems.clear();
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foreach(FolderItem * item, items)
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{
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QLOG_DEBUG() << "ID " << item->id;
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selectQuery.bindValue(":parentId", item->id);
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selectQuery.exec();
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//Reload all children
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if(!firstLevelUpdate)
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if(!firstLevelUpdated)
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{
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beginInsertRows(parent, 0, selectQuery.numRowsAffected());
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firstLevelUpdate = true;
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//NO size support
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int numResults = 0;
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while(selectQuery.next())
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numResults++;
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if(!selectQuery.seek(-1))
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selectQuery.exec();
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//END no size support
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beginInsertRows(parent, 0, numResults-1);
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}
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updateFolderModelData(selectQuery,item);
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if(!firstLevelUpdate)
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endInsertRows();
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if(!firstLevelUpdated)
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{
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endInsertRows();
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firstLevelUpdated = true;
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}
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nextLevelItems << item->children();
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@ -651,6 +506,9 @@ void FolderModel::fetchMoreFromDB(const QModelIndex &parent)
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items = nextLevelItems;
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}
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QLOG_DEBUG() << "item->childCount()-1" << item->childCount()-1;
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db.close();
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QSqlDatabase::removeDatabase(_databasePath);
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}
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@ -713,3 +571,208 @@ void FolderModel::deleteFolder(const QModelIndex &mi)
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endRemoveRows();
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}
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//PROXY
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FolderModelProxy::FolderModelProxy(QObject *parent)
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:QSortFilterProxyModel(parent),rootItem(0),filterEnabled(false),filter(""),includeComics(true)
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{
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}
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FolderModelProxy::~FolderModelProxy()
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{
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}
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bool FolderModelProxy::filterAcceptsRow(int source_row, const QModelIndex &source_parent) const
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{
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if(!filterEnabled)
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return true;
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FolderItem * parent = static_cast<FolderItem *>(source_parent.internalPointer());
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if(parent == 0)
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parent = static_cast<FolderModel *>(sourceModel())->rootItem;
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FolderItem * item = parent->children().at(source_row);
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return filteredItems.contains(item->id);
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}
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void FolderModelProxy::setFilter(const YACReader::SearchModifiers modifier, QString filter, bool includeComics)
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{
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clear();
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this->filter = filter;
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this->includeComics = includeComics;
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this->modifier = modifier;
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filterEnabled = true;
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setupFilteredModelData();
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}
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void FolderModelProxy::setupFilteredModelData()
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{
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beginResetModel();
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//TODO hay que liberar memoria de anteriores filtrados
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|
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//inicializar el nodo ra<72>z
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if(rootItem != 0)
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delete rootItem; //TODO comprobar que se libera bien la memoria
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rootItem = 0;
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//inicializar el nodo ra<72>z
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QList<QVariant> rootData;
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rootData << "root";
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rootItem = new FolderItem(rootData);
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rootItem->id = ROOT;
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rootItem->parentItem = 0;
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FolderModel * model = static_cast<FolderModel *>(sourceModel());
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//cargar la base de datos
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QSqlDatabase db = DataBaseManagement::loadDatabase(model->_databasePath);
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//crear la consulta
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{
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QSqlQuery selectQuery(db); //TODO check
|
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if(!includeComics)
|
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{
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selectQuery.prepare("select * from folder where id <> 1 and upper(name) like upper(:filter) order by parentId,name ");
|
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selectQuery.bindValue(":filter", "%%"+filter+"%%");
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}
|
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else
|
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{
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switch(modifier)
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{
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case YACReader::NoModifiers:
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selectQuery.prepare("SELECT DISTINCT f.id, f.parentId, f.name, f.path, f.finished, f.completed "
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"FROM folder f LEFT JOIN comic c ON (f.id = c.parentId) "
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"WHERE f.id <> 1 AND ((UPPER(c.fileName) like UPPER(:filter)) OR (UPPER(f.name) like UPPER(:filter2))) ORDER BY f.parentId,f.name");
|
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selectQuery.bindValue(":filter", "%%"+filter+"%%");
|
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selectQuery.bindValue(":filter2", "%%"+filter+"%%");
|
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break;
|
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case YACReader::OnlyRead:
|
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selectQuery.prepare("SELECT DISTINCT f.id, f.parentId, f.name, f.path, f.finished, f.completed "
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||||
"FROM folder f LEFT JOIN (comic c INNER JOIN comic_info ci ON (c.comicInfoId = ci.id)) ON (f.id = c.parentId) "
|
||||
"WHERE f.id <> 1 AND ((UPPER(c.fileName) like UPPER(:filter)) OR (UPPER(f.name) like UPPER(:filter2))) AND ci.read = 1 ORDER BY f.parentId,f.name;");
|
||||
selectQuery.bindValue(":filter", "%%"+filter+"%%");
|
||||
selectQuery.bindValue(":filter2", "%%"+filter+"%%");
|
||||
break;
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||||
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||||
case YACReader::OnlyUnread:
|
||||
selectQuery.prepare("SELECT DISTINCT f.id, f.parentId, f.name, f.path, f.finished, f.completed "
|
||||
"FROM folder f LEFT JOIN (comic c INNER JOIN comic_info ci ON (c.comicInfoId = ci.id)) ON (f.id = c.parentId) "
|
||||
"WHERE f.id <> 1 AND ((UPPER(c.fileName) like UPPER(:filter)) OR (UPPER(f.name) like UPPER(:filter2))) AND ci.read = 0 ORDER BY f.parentId,f.name;");
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||||
selectQuery.bindValue(":filter", "%%"+filter+"%%");
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||||
selectQuery.bindValue(":filter2", "%%"+filter+"%%");
|
||||
break;
|
||||
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||||
default:
|
||||
QLOG_ERROR() << "not implemented";
|
||||
break;
|
||||
|
||||
}
|
||||
|
||||
|
||||
}
|
||||
selectQuery.exec();
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||||
|
||||
setupFilteredModelData(selectQuery,rootItem);
|
||||
}
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||||
//selectQuery.finish();
|
||||
db.close();
|
||||
QSqlDatabase::removeDatabase(model->_databasePath);
|
||||
|
||||
endResetModel();
|
||||
}
|
||||
|
||||
void FolderModelProxy::clear()
|
||||
{
|
||||
filterEnabled = false;
|
||||
|
||||
filteredItems.clear();
|
||||
|
||||
QSortFilterProxyModel::clear();
|
||||
}
|
||||
|
||||
void FolderModelProxy::setupFilteredModelData(QSqlQuery &sqlquery, FolderItem *parent)
|
||||
{
|
||||
FolderModel * model = static_cast<FolderModel *>(sourceModel());
|
||||
|
||||
//64 bits para la primary key, es decir la misma precisi<73>n que soporta sqlit 2^64
|
||||
filteredItems.clear();
|
||||
|
||||
//se a<>ade el nodo 0 al modelo que representa el arbol de elementos que cumplen con el filtro
|
||||
filteredItems.insert(parent->id,parent);
|
||||
|
||||
while (sqlquery.next()) { //se procesan todos los folders que cumplen con el filtro
|
||||
//datos de la base de datos
|
||||
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();
|
||||
|
||||
FolderItem * item = new FolderItem(data);
|
||||
item->id = sqlquery.value(0).toULongLong();
|
||||
|
||||
//id del padre
|
||||
quint64 parentId = record.value("parentId").toULongLong();
|
||||
|
||||
//se a<>ade el item al map, de forma que se pueda encontrar como padre en siguientes iteraciones
|
||||
if(!filteredItems.contains(item->id))
|
||||
filteredItems.insert(item->id,item);
|
||||
|
||||
//es necesario conocer las coordenadas de origen para poder realizar scroll autom<6F>tico en la vista
|
||||
item->originalItem = model->items.value(item->id);
|
||||
|
||||
//si el padre ya existe en el modelo, el item se a<>ade como hijo
|
||||
if(filteredItems.contains(parentId))
|
||||
filteredItems.value(parentId)->appendChild(item);
|
||||
else//si el padre a<>n no se ha a<>adido, hay que a<>adirlo a <20>l y todos los padres hasta el nodo ra<72>z
|
||||
{
|
||||
//comprobamos con esta variable si el <20>ltimo de los padres (antes del nodo ra<72>z) ya exist<73>a en el modelo
|
||||
bool parentPreviousInserted = false;
|
||||
|
||||
//mientras no se alcance el nodo ra<72>z se procesan todos los padres (de abajo a arriba)
|
||||
while(parentId != ROOT )
|
||||
{
|
||||
//el padre no estaba en el modelo filtrado, as<61> que se rescata del modelo original
|
||||
FolderItem * parentItem = model->items.value(parentId);
|
||||
//se debe crear un nuevo nodo (para no compartir los hijos con el nodo original)
|
||||
FolderItem * newparentItem = new FolderItem(parentItem->getData()); //padre que se a<>adir<69> a la estructura de directorios filtrados
|
||||
newparentItem->id = parentId;
|
||||
|
||||
newparentItem->originalItem = parentItem;
|
||||
|
||||
//si el modelo contiene al padre, se a<>ade el item actual como hijo
|
||||
if(filteredItems.contains(parentId))
|
||||
{
|
||||
filteredItems.value(parentId)->appendChild(item);
|
||||
parentPreviousInserted = true;
|
||||
}
|
||||
//sino se registra el nodo para poder encontrarlo con posterioridad y se a<>ade el item actual como hijo
|
||||
else
|
||||
{
|
||||
newparentItem->appendChild(item);
|
||||
filteredItems.insert(newparentItem->id,newparentItem);
|
||||
parentPreviousInserted = false;
|
||||
}
|
||||
|
||||
//variables de control del bucle, se avanza hacia el nodo padre
|
||||
item = newparentItem;
|
||||
parentId = parentItem->parentItem->id;
|
||||
}
|
||||
|
||||
//si el nodo es hijo de 1 y no hab<61>a sido previamente insertado como hijo, se a<>ade como tal
|
||||
if(!parentPreviousInserted)
|
||||
filteredItems.value(ROOT)->appendChild(item);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
@ -42,6 +42,7 @@
|
||||
#define TREEMODEL_H
|
||||
|
||||
#include <QAbstractItemModel>
|
||||
#include <QSortFilterProxyModel>
|
||||
#include <QModelIndex>
|
||||
#include <QVariant>
|
||||
#include <QSqlQuery>
|
||||
@ -51,11 +52,38 @@
|
||||
|
||||
class FolderItem;
|
||||
|
||||
//! [0]
|
||||
class FolderModelProxy : public QSortFilterProxyModel
|
||||
{
|
||||
Q_OBJECT
|
||||
public:
|
||||
explicit FolderModelProxy(QObject *parent = 0);
|
||||
~FolderModelProxy();
|
||||
|
||||
void setFilter(const YACReader::SearchModifiers modifier, QString filter, bool includeComics);
|
||||
void setupFilteredModelData( QSqlQuery &sqlquery, FolderItem *parent);
|
||||
void setupFilteredModelData();
|
||||
void clear();
|
||||
|
||||
bool filterAcceptsRow(int source_row, const QModelIndex &source_parent) const;
|
||||
|
||||
protected:
|
||||
FolderItem *rootItem;
|
||||
QMap<unsigned long long int, FolderItem *> filteredItems; //relación entre folders
|
||||
|
||||
bool includeComics;
|
||||
QString filter;
|
||||
bool filterEnabled;
|
||||
|
||||
YACReader::SearchModifiers modifier;
|
||||
};
|
||||
|
||||
class FolderModel : public QAbstractItemModel
|
||||
{
|
||||
|
||||
Q_OBJECT
|
||||
|
||||
friend class FolderModelProxy;
|
||||
|
||||
public:
|
||||
FolderModel(QObject *parent = 0);
|
||||
FolderModel( QSqlQuery &sqlquery, QObject *parent = 0);
|
||||
@ -76,10 +104,10 @@ public:
|
||||
void setupModelData(QString path);
|
||||
QString getDatabase();
|
||||
QString getFolderPath(const QModelIndex &folder);
|
||||
QModelIndex indexFromItem(FolderItem * item, int column);
|
||||
void setFilter(const YACReader::SearchModifiers modifier, QString filter, bool includeComics);
|
||||
void resetFilter();
|
||||
bool isFilterEnabled(){return filterEnabled;};
|
||||
//QModelIndex indexFromItem(FolderItem * item, int column);
|
||||
|
||||
|
||||
//bool isFilterEnabled(){return filterEnabled;};
|
||||
|
||||
void updateFolderCompletedStatus(const QModelIndexList & list, bool status);
|
||||
void updateFolderFinishedStatus(const QModelIndexList & list, bool status);
|
||||
@ -103,22 +131,12 @@ public slots:
|
||||
private:
|
||||
void setupModelData( QSqlQuery &sqlquery, FolderItem *parent);
|
||||
void updateFolderModelData( QSqlQuery &sqlquery, FolderItem *parent);
|
||||
void setupFilteredModelData( QSqlQuery &sqlquery, FolderItem *parent);
|
||||
void setupFilteredModelData();
|
||||
|
||||
FolderItem *rootItem; //el árbol
|
||||
QMap<unsigned long long int, FolderItem *> items; //relación entre folders
|
||||
|
||||
FolderItem *rootBeforeFilter;
|
||||
QMap<unsigned long long int, FolderItem *> filteredItems; //relación entre folders
|
||||
|
||||
QString _databasePath;
|
||||
|
||||
bool includeComics;
|
||||
QString filter;
|
||||
bool filterEnabled;
|
||||
|
||||
YACReader::SearchModifiers modifier;
|
||||
signals:
|
||||
void beforeReset();
|
||||
void reset();
|
||||
|
Reference in New Issue
Block a user