Working copy/move operation

src/filemanager.h

@@ -8,6 +8,7 @@
 #include <QDialog>
 #include <QTabBar>
 #include <QHBoxLayout>
+#include <QMessageBox>
 #include "imageinfodata.h"
 
 namespace Ui {
@@ -15,6 +16,34 @@ class FileManager;
 class FITSKeyword;
 }
 
+class FileManager;
+
+class FileTransfer: public QObject
+{
+    Q_OBJECT
+public:
+    explicit FileTransfer(FileManager *fm);
+    ~FileTransfer();
+public slots:
+    void copy(const QStringList &src, const QString &dst);
+    void move(const QStringList &src, const QString &dst);
+    void cancel();
+signals:
+    void progress(int percent);
+    void finished();
+    void error(const QString &title, const QString &text);
+private:
+    void perform(const QStringList &src, const QString &dst, bool copy);
+    struct Action
+    {
+        QString src;
+        QString dst;
+        bool dir = false;
+    };
+    FileManager *_fm;
+    bool _run = true;
+};
+
 class PathTabBar : public QTabBar
 {
     Q_OBJECT
@@ -51,25 +80,28 @@ public:
     ~FileManager();
 public slots:
     void selectFITSKeywords();
+    void copySelectedFilesPaths();
     void pathEdited();
+    void copyMoveFiles(Qt::DropAction action, const QStringList &src, const QString &dst);
+    QMessageBox::StandardButton overwrite(const QString &dst);
+    void errorMessage(const QString &title, const QString &text);
 signals:
     void openFile(const QString &path);
+    void copy(const QStringList &src, const QString &dst);
+    void move(const QStringList &src, const QString &dst);
 private:
     Ui::FileManager *ui;
     PathTabBar *_leftTabBar;
     PathTabBar *_rightTabBar;
+    QThread *_thread;
+    FileTransfer *_fileTransfer;
 };
 
 class DirFileSystemModel : public QFileSystemModel
 {
     Q_OBJECT
-    mutable QCache<QString, ImageInfoData> *_cache = nullptr;
-    static QCache<QString, ImageInfoData>* getCacheInstance();
-    QModelIndex _dir;
-    QStringList _fitsKeywords;
-    bool _loadFitsKeywords = true;
 public:
-    explicit DirFileSystemModel(QObject *parent = nullptr);
+    explicit DirFileSystemModel(QWidget *parentWidget);
     void setDir(const QString &path);
     QString dir() const;
     void setFITSKeywords(const QStringList &keywords);
@@ -79,8 +111,18 @@ public:
     QVariant data(const QModelIndex &index, int role) const override;
     QVariant headerData(int section, Qt::Orientation orientation, int role) const override;
     bool hasChildren(const QModelIndex &parent) const override;
+    bool dropMimeData(const QMimeData *data, Qt::DropAction action, int row, int column, const QModelIndex &parent) override;
 public slots:
     void loadFitsKeywords(bool enable);
+signals:
+    void filesAction(Qt::DropAction action, const QStringList &src, const QString &dst);
+private:
+    mutable QCache<QString, ImageInfoData> *_cache = nullptr;
+    static QCache<QString, ImageInfoData>* getCacheInstance();
+    QModelIndex _dir;
+    QStringList _fitsKeywords;
+    bool _loadFitsKeywords = true;
+    QWidget *_parentWidget = nullptr;
 };
 
 class DirView : public QTreeView
@@ -98,9 +140,11 @@ public:
 public slots:
     void headerContextMenu(const QPoint &pos);
     void loadFitsKeywords(bool enable);
+    void copySelectedFilesPathsToClipboard() const;
 signals:
     void dirChanged(const QString &path);
     void openFile(const QString &path);
+    void filesAction(Qt::DropAction action, const QStringList &src, const QString &dst);
 };
 
 #endif // FILEMANAGER_H