File indexing completed on 2025-03-09 05:20:57

0001 /*
0002     This file is part of the Kasten Framework, made within the KDE community.
0003 
0004     SPDX-FileCopyrightText: 2011 Friedrich W. H. Kossebau <kossebau@kde.org>
0005 
0006     SPDX-License-Identifier: LGPL-2.1-only OR LGPL-3.0-only OR LicenseRef-KDE-Accepted-LGPL
0007 */
0008 
0009 #ifndef KASTEN_ABSTRACTDOCUMENTSTRATEGY_HPP
0010 #define KASTEN_ABSTRACTDOCUMENTSTRATEGY_HPP
0011 
0012 // lib
0013 #include "kastengui_export.hpp"
0014 // Qt
0015 #include <QObject>
0016 // Std
0017 #include <memory>
0018 
0019 template <typename C> class QVector;
0020 class QUrl;
0021 
0022 namespace Kasten {
0023 class AbstractDocument;
0024 class AbstractModelDataGenerator;
0025 class AbstractDocumentStrategyPrivate;
0026 
0027 class KASTENGUI_EXPORT AbstractDocumentStrategy : public QObject
0028 {
0029     Q_OBJECT
0030 
0031 protected:
0032     AbstractDocumentStrategy();
0033     KASTENGUI_NO_EXPORT explicit AbstractDocumentStrategy(AbstractDocumentStrategyPrivate* d);
0034 
0035 public:
0036     ~AbstractDocumentStrategy() override;
0037 
0038 public: // API to be implemented
0039     virtual void createNew() = 0;
0040     virtual void createNewFromClipboard() = 0;
0041     virtual void createNewWithGenerator(AbstractModelDataGenerator* generator) = 0;
0042 
0043     virtual void load(const QUrl& url) = 0;
0044 
0045     virtual void closeDocument(AbstractDocument* document) = 0;
0046 //     virtual void closeDocuments( const QVector<AbstractDocument*>& documents ) = 0;
0047     virtual void closeAll() = 0;
0048 // TODO: think about if a more general close( documentList, theseOrOthers ) is better, same with canCloseAllOther()
0049     virtual void closeAllOther(AbstractDocument* document) = 0;
0050 
0051 //     virtual void requestFocus( AbstractDocument* document ) = 0;
0052 
0053 public: // const API to be implemented
0054     /// Returns \c true if there
0055 //     virtual bool allowsMultipleDocuments() const = 0;
0056     virtual QVector<AbstractDocument*> documents() const = 0;
0057     virtual QStringList supportedRemoteTypes() const = 0;
0058 
0059     // TODO: what to do for documents not added?
0060     virtual bool canClose(AbstractDocument* document) const = 0;
0061 //     virtual bool canClose( const QVector<AbstractDocument*>& documents ) const = 0;
0062     virtual bool canCloseAll() const = 0;
0063     virtual bool canCloseAllOther(AbstractDocument* document) const = 0;
0064 
0065 Q_SIGNALS:
0066     // documents got added
0067     void added(const QVector<Kasten::AbstractDocument*>& documents);
0068     /// documents are about to be closed, cannot be stopped
0069     void closing(const QVector<Kasten::AbstractDocument*>& documents);
0070 
0071     // TODO: or should the document be able to emit this?
0072     void focusRequested(Kasten::AbstractDocument* document);
0073 
0074     void urlUsed(const QUrl& url);
0075 
0076 protected:
0077     const std::unique_ptr<AbstractDocumentStrategyPrivate> d_ptr;
0078 
0079 private:
0080     Q_DECLARE_PRIVATE(AbstractDocumentStrategy)
0081 };
0082 
0083 }
0084 
0085 #endif