File indexing completed on 2024-05-12 05:09:39

0001 /***************************************************************************
0002     Copyright (C) 2009 Robby Stephenson <robby@periapsis.org>
0003  ***************************************************************************/
0004 
0005 /***************************************************************************
0006  *                                                                         *
0007  *   This program is free software; you can redistribute it and/or         *
0008  *   modify it under the terms of the GNU General Public License as        *
0009  *   published by the Free Software Foundation; either version 2 of        *
0010  *   the License or (at your option) version 3 or any later version        *
0011  *   accepted by the membership of KDE e.V. (or its successor approved     *
0012  *   by the membership of KDE e.V.), which shall act as a proxy            *
0013  *   defined in Section 14 of version 3 of the license.                    *
0014  *                                                                         *
0015  *   This program is distributed in the hope that it will be useful,       *
0016  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
0017  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
0018  *   GNU General Public License for more details.                          *
0019  *                                                                         *
0020  *   You should have received a copy of the GNU General Public License     *
0021  *   along with this program.  If not, see <http://www.gnu.org/licenses/>. *
0022  *                                                                         *
0023  ***************************************************************************/
0024 
0025 #ifndef TELLICO_MULTIFETCHER_H
0026 #define TELLICO_MULTIFETCHER_H
0027 
0028 #include "fetcher.h"
0029 #include "configwidget.h"
0030 #include "../datavectors.h"
0031 #include "../gui/kwidgetlister.h"
0032 
0033 #include <QFrame>
0034 
0035 namespace Tellico {
0036 
0037   namespace GUI {
0038     class ComboBox;
0039     class CollectionTypeCombo;
0040   }
0041 
0042   namespace Fetch {
0043 
0044 /**
0045  * A fetcher for combining results from multiple other fetchers
0046  *
0047  * @author Robby Stephenson
0048  */
0049 class MultiFetcher : public Fetcher {
0050 Q_OBJECT
0051 
0052 public:
0053   /**
0054    */
0055   MultiFetcher(QObject* parent);
0056   /**
0057    */
0058   virtual ~MultiFetcher();
0059 
0060   /**
0061    */
0062   virtual QString source() const Q_DECL_OVERRIDE;
0063   virtual bool isSearching() const Q_DECL_OVERRIDE { return m_started; }
0064   virtual bool canSearch(FetchKey k) const Q_DECL_OVERRIDE;
0065   virtual void stop() Q_DECL_OVERRIDE;
0066   virtual Data::EntryPtr fetchEntryHook(uint uid) Q_DECL_OVERRIDE;
0067   virtual Type type() const Q_DECL_OVERRIDE { return Multiple; }
0068   virtual bool canFetch(int type) const Q_DECL_OVERRIDE;
0069   virtual void readConfigHook(const KConfigGroup& config) Q_DECL_OVERRIDE;
0070 
0071   /**
0072    * Returns a widget for modifying the fetcher's config.
0073    */
0074   virtual Fetch::ConfigWidget* configWidget(QWidget* parent) const Q_DECL_OVERRIDE;
0075 
0076   class ConfigWidget;
0077   friend class ConfigWidget;
0078   class FetcherItemWidget;
0079   class FetcherListWidget;
0080 
0081   static QString defaultName();
0082   static QString defaultIcon();
0083   static StringHash allOptionalFields();
0084 
0085 private Q_SLOTS:
0086   void slotResult(Tellico::Fetch::FetchResult* result);
0087   void slotDone();
0088 
0089 private:
0090   virtual void search() Q_DECL_OVERRIDE;
0091   virtual FetchRequest updateRequest(Data::EntryPtr entry) Q_DECL_OVERRIDE;
0092   void readSources() const;
0093 
0094   Data::EntryList m_entries;
0095   Data::EntryList m_matches;
0096   QHash<uint, Data::EntryPtr> m_entryHash;
0097   int m_collType;
0098   QStringList m_uuids;
0099   mutable QList<Fetcher::Ptr> m_fetchers;
0100   int m_fetcherIndex;
0101   int m_resultIndex;
0102 
0103   bool m_started;
0104 };
0105 
0106 class MultiFetcher::ConfigWidget : public Fetch::ConfigWidget {
0107 Q_OBJECT
0108 
0109 public:
0110   explicit ConfigWidget(QWidget* parent_, const MultiFetcher* fetcher = nullptr);
0111   virtual void saveConfigHook(KConfigGroup&) Q_DECL_OVERRIDE;
0112   virtual QString preferredName() const Q_DECL_OVERRIDE;
0113 
0114 private Q_SLOTS:
0115   void slotTypeChanged();
0116 
0117 private:
0118   GUI::CollectionTypeCombo* m_collCombo;
0119   FetcherListWidget* m_listWidget;
0120 };
0121 
0122 class MultiFetcher::FetcherItemWidget : public QFrame {
0123 Q_OBJECT
0124 
0125 public:
0126   FetcherItemWidget(QWidget* parent);
0127 
0128   void setFetchers(const QList<Fetcher::Ptr>& fetchers);
0129   void setSource(Fetcher::Ptr fetcher);
0130   QString fetcherUuid() const;
0131 
0132 Q_SIGNALS:
0133   void signalModified();
0134 
0135 public Q_SLOTS:
0136 
0137 private:
0138   GUI::ComboBox* m_fetcherCombo;
0139 };
0140 
0141 class MultiFetcher::FetcherListWidget : public KWidgetLister {
0142 Q_OBJECT
0143 
0144 public:
0145   FetcherListWidget(QWidget* parent);
0146 
0147   void setFetchers(const QList<Fetcher::Ptr>& fetchers);
0148   void setSources(const QList<Fetcher::Ptr>& fetchers);
0149   QStringList uuids() const;
0150 
0151 Q_SIGNALS:
0152   void signalModified();
0153 
0154 protected:
0155   virtual QWidget* createWidget(QWidget* parent) Q_DECL_OVERRIDE;
0156   QList<Fetcher::Ptr> m_fetchers;
0157 };
0158 
0159   } // end namespace
0160 } // end namespace
0161 #endif