Add "Reset Folder" option to status dialog

to recover from invalid databases. Features
a big fat warning.

src/mirall/application.cpp

@@ -140,6 +140,8 @@ Application::Application(int &argc, char **argv) :
 
     connect( _statusDialog, SIGNAL(removeFolderAlias( const QString&)),
              SLOT(slotRemoveFolder(const QString&)));
+    connect( _statusDialog, SIGNAL(resetFolderAlias( const QString&)),
+             SLOT(slotResetFolder(const QString&)));
     connect( _statusDialog, SIGNAL(enableFolderAlias(QString,bool)),
              SLOT(slotEnableFolder(QString,bool)));
     connect( _statusDialog, SIGNAL(infoFolderAlias(const QString&)),
@@ -797,21 +799,36 @@ void Application::slotAbout()
 void Application::slotRemoveFolder( const QString& alias )
 {
     int ret = QMessageBox::question( 0, tr("Confirm Folder Remove"),
-                                     tr("<p>Do you really want to stop syncing the upload folder <i>%1</i>?</p>"
+                                     tr("<p>Do you really want to stop syncing the folder <i>%1</i>?</p>"
                                         "<p><b>Note:</b> This will not remove the files from your client.</p>").arg(alias),
                                      QMessageBox::Yes|QMessageBox::No );
 
     if( ret == QMessageBox::No ) {
         return;
     }
-    Folder *f = _folderMan->folder(alias);
-
     _folderMan->slotRemoveFolder( alias );
     _statusDialog->slotRemoveSelectedFolder( );
     computeOverallSyncStatus();
     setupContextMenu();
 }
 
+void Application::slotResetFolder( const QString & alias )
+{
+    int ret = QMessageBox::question( 0, tr("Confirm Folder Reset"),
+                                     tr("<p>Do you really want to reset folder<i>%1</i> and rebuild your client database?</p>"
+                                        "<p><b>Note:</b> While no files will be removed, this can cause significant data "
+                                        "traffic and take several minutes to hours, depending on the size of the folder.</p>").arg(alias),
+                                     QMessageBox::Yes|QMessageBox::No );
+    if( ret == QMessageBox::No ) {
+        return;
+    }
+
+    Folder *f = _folderMan->folder(alias);
+    f->slotTerminateSync();
+    f->wipe();
+    _folderMan->slotScheduleAllFolders();
+}
+
 // Open the File list info dialog.
 void Application::slotInfoFolder( const QString& alias )
 {

src/mirall/application.h

@@ -61,6 +61,7 @@ protected slots:
     void slotAddFolder();
     void slotOpenStatus();
     void slotRemoveFolder( const QString& );
+    void slotResetFolder( const QString& );
     void slotEnableFolder( const QString&, const bool );
     void slotInfoFolder( const QString& );
     void slotConfigure();

src/mirall/statusdialog.cpp

@@ -237,6 +237,7 @@ StatusDialog::StatusDialog( Theme *theme, QWidget *parent) :
   _folderList->setEditTriggers( QAbstractItemView::NoEditTriggers );
   connect(_ButtonClose,  SIGNAL(clicked()), this, SLOT(accept()));
   connect(_ButtonRemove, SIGNAL(clicked()), this, SLOT(slotRemoveFolder()));
+  connect(_ButtonReset, SIGNAL(clicked()), this, SLOT(slotResetFolder()));
 
   connect(_ButtonEnable, SIGNAL(clicked()), this, SLOT(slotEnableFolder()));
   connect(_ButtonInfo,   SIGNAL(clicked()), this, SLOT(slotInfoFolder()));
@@ -244,6 +245,7 @@ StatusDialog::StatusDialog( Theme *theme, QWidget *parent) :
 
   _ButtonRemove->setEnabled(false);
   _ButtonEnable->setEnabled(false);
+  _ButtonReset->setEnabled(false);
   _ButtonInfo->setEnabled(false);
   _ButtonAdd->setEnabled(true);
 
@@ -265,6 +267,7 @@ void StatusDialog::slotFolderActivated( const QModelIndex& indx )
 
   _ButtonRemove->setEnabled( state );
   _ButtonEnable->setEnabled( state );
+  _ButtonReset->setEnabled( state );
   _ButtonInfo->setEnabled( state );
 
   if ( state ) {
@@ -316,7 +319,6 @@ void StatusDialog::buttonsSetEnabled()
 {
     bool haveFolders = _folderList->model()->rowCount() > 0;
 
-    _ButtonRemove->setEnabled(false);
     if( _theme->singleSyncFolder() ) {
         // only one folder synced folder allowed.
         _ButtonAdd->setVisible(!haveFolders);
@@ -331,6 +333,8 @@ void StatusDialog::buttonsSetEnabled()
     _ButtonEnable->setEnabled(isSelected);
     _ButtonRemove->setEnabled(isSelected);
     _ButtonInfo->setEnabled(isSelected);
+    _ButtonReset->setEnabled(isSelected);
+
 }
 
 void StatusDialog::slotUpdateFolderState( Folder *folder )
@@ -396,6 +400,15 @@ void StatusDialog::slotRemoveFolder()
     slotCheckConnection();
 }
 
+void StatusDialog::slotResetFolder()
+{
+    QModelIndex selected = _folderList->selectionModel()->currentIndex();
+    if( selected.isValid() ) {
+        QString alias = _model->data( selected, FolderViewDelegate::FolderAliasRole ).toString();
+        emit(resetFolderAlias( alias ));
+    }
+}
+
 void StatusDialog::slotRemoveSelectedFolder()
 {
     QModelIndex selected = _folderList->selectionModel()->currentIndex();

src/mirall/statusdialog.h

@@ -72,6 +72,7 @@ public:
 
 signals:
     void removeFolderAlias( const QString& );
+    void resetFolderAlias( const QString& );
     void enableFolderAlias( const QString&, const bool );
     void infoFolderAlias( const QString& );
     void openFolderAlias( const QString& );
@@ -81,6 +82,7 @@ signals:
 
 public slots:
     void slotRemoveFolder();
+    void slotResetFolder();
     void slotRemoveSelectedFolder();
     void slotFolderActivated( const QModelIndex& );
     void slotOpenOC();

src/mirall/statusdialog.ui

@@ -42,13 +42,6 @@
        </property>
       </widget>
      </item>
-     <item>
-      <widget class="QPushButton" name="_ButtonRemove">
-       <property name="text">
-        <string>Remove...</string>
-       </property>
-      </widget>
-     </item>
      <item>
       <widget class="QPushButton" name="_ButtonEnable">
        <property name="text">
@@ -56,13 +49,6 @@
        </property>
       </widget>
      </item>
-     <item>
-      <widget class="QPushButton" name="_ButtonInfo">
-       <property name="text">
-        <string>Info...</string>
-       </property>
-      </widget>
-     </item>
      <item>
       <spacer name="verticalSpacer">
        <property name="orientation">
@@ -71,11 +57,45 @@
        <property name="sizeHint" stdset="0">
         <size>
          <width>20</width>
-         <height>56</height>
+         <height>40</height>
         </size>
        </property>
       </spacer>
      </item>
+     <item>
+      <widget class="QPushButton" name="_ButtonRemove">
+       <property name="text">
+        <string>Remove</string>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QPushButton" name="_ButtonReset">
+       <property name="text">
+        <string>Reset</string>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <spacer name="verticalSpacer_2">
+       <property name="orientation">
+        <enum>Qt::Vertical</enum>
+       </property>
+       <property name="sizeHint" stdset="0">
+        <size>
+         <width>20</width>
+         <height>40</height>
+        </size>
+       </property>
+      </spacer>
+     </item>
+     <item>
+      <widget class="QPushButton" name="_ButtonInfo">
+       <property name="text">
+        <string>Info...</string>
+       </property>
+      </widget>
+     </item>
     </layout>
    </item>
    <item row="2" column="0">