Propose reopen files after do not correct shut down.

--HG--
branch : develop

src/app/core/vapplication.cpp

@@ -1797,3 +1797,50 @@ QString VApplication::STDescription(const QString &id) const
     }
     return QString();
 }
+
+//---------------------------------------------------------------------------------------------------------------------
+bool VApplication::SafeCopy(const QString &source, const QString &destination, QString &error)
+{
+    bool result = false;
+
+#ifdef Q_OS_WIN32
+    qt_ntfs_permission_lookup++; // turn checking on
+#endif /*Q_OS_WIN32*/
+
+    QFile patternFile(destination);
+    patternFile.setPermissions(QFile::ReadOwner | QFile::WriteOwner);
+    // We need here temporary file because we want restore document after error of copying temp file.
+    QTemporaryFile tempOfPattern;
+    if (tempOfPattern.open())
+    {
+        if (patternFile.exists())
+        {
+            patternFile.copy(tempOfPattern.fileName());
+        }
+    }
+    if ( patternFile.exists() == false || patternFile.remove() )
+    {
+        QFile sourceFile(source);
+        if ( sourceFile.copy(patternFile.fileName()) == false )
+        {
+            error = tr("Could not copy temp file to document file");
+            tempOfPattern.copy(destination);
+            result = false;
+        }
+        else
+        {
+            result = true;
+        }
+    }
+    else
+    {
+        error = tr("Could not remove document file");
+        result = false;
+    }
+
+#ifdef Q_OS_WIN32
+    qt_ntfs_permission_lookup--; // turn off check permission again
+#endif /*Q_OS_WIN32*/
+
+    return result;
+}

src/app/core/vapplication.h

@@ -102,6 +102,7 @@ public:
 
     static QStringList LabelLanguages();
     QString            STDescription(const QString &id)const;
+    static bool        SafeCopy(const QString &source, const QString &destination, QString &error);
 private:
     Q_DISABLE_COPY(VApplication)
     Unit               _patternUnit;

src/app/main.cpp

@@ -192,6 +192,8 @@ int main(int argc, char *argv[])
     //Before we load pattern show window.
     w.show();
 
+    w.ReopenFilesAfterCrash();
+
     for (int i=0;i<args.size();++i)
     {
         w.LoadPattern(args.at(i));

src/app/mainwindow.cpp

@@ -786,6 +786,19 @@ void MainWindow::closeEvent(QCloseEvent *event)
     if (MaybeSave())
     {
         WriteSettings();
+
+        //File was closed correct.
+        QStringList restoreFiles = qApp->getSettings()->value("restoreFileList").toStringList();
+        restoreFiles.removeAll(curFile);
+        qApp->getSettings()->setValue("restoreFileList", restoreFiles);
+
+        // Remove autosave file
+        QFile autofile(curFile +".autosave");
+        if (autofile.exists())
+        {
+            autofile.remove();
+        }
+
         event->accept();
         qApp->closeAllWindows();
     }
@@ -1899,6 +1912,11 @@ void MainWindow::setCurrentFile(const QString &fileName)
 
         qApp->getSettings()->setValue("recentFileList", files);
         UpdateRecentFileActions();
+
+        QStringList restoreFiles = qApp->getSettings()->value("restoreFileList").toStringList();
+        restoreFiles.removeAll(fileName);
+        restoreFiles.prepend(fileName);
+        qApp->getSettings()->setValue("restoreFileList", restoreFiles);
     }
     shownName+="[*]";
     setWindowTitle(shownName);
@@ -2249,6 +2267,52 @@ void MainWindow::LoadPattern(const QString &fileName)
     ZoomFirstShow();
 }
 
+//---------------------------------------------------------------------------------------------------------------------
+void MainWindow::ReopenFilesAfterCrash()
+{
+    QStringList files = qApp->getSettings()->value("restoreFileList").toStringList();
+    if (files.size() > 0)
+    {
+        QStringList restoreFiles;
+        for (int i = 0; i < files.size(); ++i)
+        {
+            QFile file(files.at(i) +".autosave");
+            if (file.exists())
+            {
+                restoreFiles.append(files.at(i));
+            }
+        }
+        files.clear();
+        qApp->getSettings()->setValue("restoreFileList", files);
+
+        if (restoreFiles.size() > 0)
+        {
+            QMessageBox::StandardButton reply;
+            QString mes=QString(tr("Valentina didn't shut down correctly. "
+                                   "Do you want reopen files (%1) you had open?")).arg(restoreFiles.size());
+            reply = QMessageBox::question(this, tr("Reopen files."), mes, QMessageBox::Yes|QMessageBox::No,
+                                          QMessageBox::Yes);
+            if (reply == QMessageBox::Yes)
+            {
+                for (int i = 0; i < restoreFiles.size(); ++i)
+                {
+                    QString error;
+                    if (VApplication::SafeCopy(restoreFiles.at(i) +".autosave", restoreFiles.at(i), error))
+                    {
+                        QFile autoFile(restoreFiles.at(i) +".autosave");
+                        autoFile.remove();
+                        LoadPattern(restoreFiles.at(i));
+                    }
+                    else
+                    {
+                        qDebug()<< "Could not copy "<<restoreFiles.at(i) +".autosave"<<"to"<<restoreFiles.at(i)<<error;
+                    }
+                }
+            }
+        }
+    }
+}
+
 //---------------------------------------------------------------------------------------------------------------------
 QString MainWindow::CheckPathToMeasurements(const QString &path, const MeasurementsType &patternType)
 {

src/app/mainwindow.h

@@ -56,6 +56,7 @@ public:
     explicit MainWindow(QWidget *parent = nullptr);
     virtual ~MainWindow();
     void               LoadPattern(const QString &curFile);
+    void               ReopenFilesAfterCrash();
 public slots:
     void               mouseMove(const QPointF &scenePos);
 

src/app/xml/vdomdocument.cpp

@@ -31,6 +31,7 @@
 #include "../exception/vexceptionemptyparameter.h"
 #include "../exception/vexceptionbadid.h"
 #include "../options.h"
+#include "../core/vapplication.h"
 
 #include <QAbstractMessageHandler>
 #include <QXmlSchema>
@@ -524,45 +525,9 @@ bool VDomDocument::SaveDocument(const QString &fileName, QString &error)
         save(out, indent);
         tempFile.close();
     }
-    //Replace temp file our
-    bool result = false;
-
-#ifdef Q_OS_WIN32
-    qt_ntfs_permission_lookup++; // turn checking on
-#endif /*Q_OS_WIN32*/
-
-    QFile patternFile(fileName);
-    patternFile.setPermissions(QFile::ReadOwner | QFile::WriteOwner);
-    // We need here temporary file because we want restore document after error of copying temp file.
-    QTemporaryFile tempOfPattern;
-    if (tempOfPattern.open())
-    {
-        patternFile.copy(tempOfPattern.fileName());
-    }
-    if ( patternFile.exists() == false || patternFile.remove() )
-    {
-        if ( tempFile.copy(patternFile.fileName()) == false )
-        {
-            error = tr("Could not copy temp file to document file");
-            tempOfPattern.copy(fileName);
-            tempFile.remove();
-            result = false;
-        }
-        else
-        {
-            tempFile.remove();
-            result = true;
-        }
-    }
-    else
-    {
-        error = tr("Could not remove document file");
-        result = false;
-    }
-
-#ifdef Q_OS_WIN32
-    qt_ntfs_permission_lookup--; // turn off check permission again
-#endif /*Q_OS_WIN32*/
+    //Copy document to file
+    bool result = VApplication::SafeCopy(temp, fileName, error);
+    tempFile.remove();//Clear temp file
 
     return result;
 }