File indexing completed on 2024-05-12 09:48:31

 /*
     SPDX-FileCopyrightText: 2001-2005, 2009 Otto Bruggeman <bruggie@gmail.com>
     SPDX-FileCopyrightText: 2001-2003 John Firebaugh <jfirebaugh@kde.org>
     SPDX-FileCopyrightText: 2004 Jeff Snyder <jeff@caffeinated.me.uk>
     SPDX-FileCopyrightText: 2007-2011 Kevin Kofler <kevin.kofler@chello.at>
 
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 
 #ifndef KOMPAREPART_H
 #define KOMPAREPART_H
 
 #include <komparepartdebug.h>
 #include "kompareinterface.h"
 // Komparediff2
 #include <KompareDiff2/Kompare>
 // KF
 #include <kparts_version.h>
 #include <KParts/ReadWritePart>
 // Qt
 #include <QVariantList>
 
 class QAction;
 class QPrinter;
 class QUrl;
 class QWidget;
 
 class KPluginMetaData;
 
 namespace Diff2 {
 class Difference;
 class DiffModel;
 class DiffModelList;
 class KompareModelList;
 }
 class DiffSettings;
 class ViewSettings;
 class KompareSplitter;
 class KompareView;
 
 /**
  * This is a "Part".  It does all the real work in a KPart
  * application.
  *
  * @short Main Part
  * @author John Firebaugh <jfirebaugh@kde.org>
  * @author Otto Bruggeman <bruggie@home.nl>
  * @version 0.3
  */
 class KomparePart : public KParts::ReadWritePart,
                     public KompareInterface
 {
     Q_OBJECT
     Q_INTERFACES(KompareInterface)
 public:
     enum Modus {
         ReadOnlyModus = 0,
         ReadWriteModus = 1
     };
 
     /**
     * Default constructor
     */
     KomparePart(QWidget* parentWidget, QObject* parent, const KPluginMetaData& metaData, Modus modus);
 
     /**
     * Destructor
     */
     ~KomparePart() override;
 
     // Sessionmanagement stuff, added to the kompare iface
     // because they are not in the Part class where they belong
     // Should be added when bic changes are allowed again (kde 4.0)
     int readProperties(KConfig* config) override;
     int saveProperties(KConfig* config) override;
     // this one is called when the shell_app is about to close.
     // we need it now to save the properties of the part when apps don't (can't)
     // use the readProperties and saveProperties methods
     bool queryClose() override;
     void setReadWrite(bool readWrite) override;
 
     // Do we really want to expose this ???
     const Diff2::KompareModelList* model() const { return m_modelList; };
 
 public:
     // Reimplemented from the KompareInterface
     /**
      * Open and parse the diff file at diffUrl.
      */
     bool openDiff(const QUrl& diffUrl) override;
 
     /** Added on request of Harald Fernengel */
     bool openDiff(const QString& diffOutput) override;
 
     /** Open and parse the diff3 file at diff3Url */
     bool openDiff3(const QUrl& diff3URL) override;
 
     /** Open and parse the file diff3Output with the output of diff3 */
     bool openDiff3(const QString& diff3Output) override;
 
     /** Compare, with diff, source with destination */
     void compare(const QUrl& sourceFile, const QUrl& destinationFile) override;
 
     /** Compare a Source file to a custom Destination string */
     void compareFileString(const QUrl& sourceFile, const QString& destination) override;
 
     /** Compare a custom Source string to a Destination file */
     void compareStringFile(const QString& source, const QUrl& destinationFile) override;
 
     /** Compare, with diff, source with destination */
     void compareFiles(const QUrl& sourceFile, const QUrl& destinationFile) override;
 
     /** Compare, with diff, source with destination */
     void compareDirs(const QUrl& sourceDir, const QUrl& destinationDir) override;
 
     /** Compare, with diff3, originalFile with changedFile1 and changedFile2 */
     void compare3Files(const QUrl& originalFile, const QUrl& changedFile1, const QUrl& changedFile2) override;
 
     /** This will show the file and the file with the diff applied */
     void openFileAndDiff(const QUrl& file, const QUrl& diffFile) override;
 
     /** This will show the directory and the directory with the diff applied */
     void openDirAndDiff(const QUrl& dir,  const QUrl& diffFile) override;
 
     /** Reimplementing this because this one knows more about the real part then the interface */
     void setEncoding(const QString& encoding) override;
 
     // This is the interpart interface, it is signal and slot based so no "real" interface here
     // All you have to do is connect the parts from your application.
     // These just point to their counterpart in the KompareModelList or get called from their
     // counterpart in KompareModelList.
 Q_SIGNALS:
     void modelsChanged(const Diff2::DiffModelList* models);
 
     void setSelection(const Diff2::DiffModel* model, const Diff2::Difference* diff);
     void setSelection(const Diff2::Difference* diff);
 
     void selectionChanged(const Diff2::DiffModel* model, const Diff2::Difference* diff);
     void selectionChanged(const Diff2::Difference* diff);
 
     void applyDifference(bool apply);
     void applyAllDifferences(bool apply);
     void applyDifference(const Diff2::Difference*, bool apply);
 
     void configChanged();
 
     /*
     ** This is emitted when a difference is clicked in the kompare view. You can connect to
     ** it so you can use it to jump to this particular line in the editor in your app.
     */
     void differenceClicked(int lineNumber);
 
     // Stuff that can probably be removed by putting it in the part where it belongs in my opinion
 public Q_SLOTS:
     /** Save all destinations. */
     bool saveAll();
 
     /** Save the results of a comparison as a diff file. */
     void saveDiff();
 
     /** To enable printing, the part has the only interesting printable content so putting it here */
     void slotFilePrint();
     void slotFilePrintPreview();
 
 Q_SIGNALS:
     void appliedChanged();
     void diffURLChanged();
     void kompareInfo(Kompare::Info* info);
     void setStatusBarModelInfo(int modelIndex, int differenceIndex, int modelCount, int differenceCount, int appliedCount);
 //     void setStatusBarText( const QString& text );
     void diffString(const QString&);
 
 protected:
     /**
      * This is the method that gets called when the file is opened,
      * when using openURL( const QUrl& ) or in our case also openDiff( const QUrl& );
      * return true when everything went ok, false if there were problems
      */
     bool openFile() override;
     // ... Uhm we return true without saving ???
     bool saveFile() override { return true; };
 
 protected Q_SLOTS:
     void slotSetStatus(Kompare::Status status);
     void slotShowError(const QString& error);
 
     void slotSwap();
     void slotShowDiffstats();
     void slotRefreshDiff();
     void optionsPreferences();
 
     void updateActions();
     void updateCaption();
     void updateStatus();
     void compareAndUpdateAll();
 
     void slotPaintRequested(QPrinter*);
 
 private:
     void cleanUpTemporaryFiles();
     void setupActions(Modus modus);
     bool isDirectory(const QUrl& url);
     // FIXME (like in cpp file not urgent) Replace with enum, cant find a proper
     // name now but it is private anyway so can not be used from outside
     bool fetchURL(const QUrl& url, bool isSource);
 
 private Q_SLOTS:
     void onContextMenuRequested(const QPoint& pos);
 
 private:
     // Uhm why were these static again ???
     // Ah yes, so multiple instances of kompare use the
     // same settings after one of them changes them
     static ViewSettings* m_viewSettings;
     static DiffSettings* m_diffSettings;
 
     Diff2::KompareModelList* m_modelList;
 
     KompareView*             m_view;
     KompareSplitter*         m_splitter;
 
     QAction*                 m_saveAll;
     QAction*                 m_saveDiff;
     QAction*                 m_swap;
     QAction*                 m_diffStats;
     QAction*                 m_diffRefresh;
     QAction*                 m_print;
     QAction*                 m_printPreview;
 
     struct Kompare::Info     m_info;
 };
 
 #endif // KOMPAREPART_H