feat(importProfile): Add way to import profile

close  #1872
change based on pr #2140 by @agilob

qtox.pro

@@ -483,7 +483,8 @@ SOURCES += \
     src/widget/about/aboutuser.cpp \
     src/persistence/db/rawdatabase.cpp \
     src/persistence/history.cpp \
-    src/widget/form/groupinviteform.cpp
+    src/widget/form/groupinviteform.cpp \
+    src/widget/tool/profileimporter.cpp
 
 HEADERS += \
     src/audio/audio.h \
@@ -540,4 +541,5 @@ HEADERS += \
     src/widget/about/aboutuser.h \
     src/persistence/db/rawdatabase.h \
     src/persistence/history.h \
-    src/widget/form/groupinviteform.h
+    src/widget/form/groupinviteform.h \
+    src/widget/tool/profileimporter.h

src/loginscreen.ui

@@ -42,7 +42,7 @@
     <bool>true</bool>
    </property>
    <property name="currentIndex">
-    <number>0</number>
+    <number>1</number>
    </property>
    <widget class="QWidget" name="newPage">
     <layout class="QHBoxLayout" name="horizontalLayout_5">
@@ -333,6 +333,13 @@
          </item>
          <item>
           <layout class="QHBoxLayout" name="horizontalLayout_6">
+           <item>
+            <widget class="QPushButton" name="importButton">
+             <property name="text">
+              <string>Import</string>
+             </property>
+            </widget>
+           </item>
            <item>
             <spacer name="horizontalSpacer_2">
              <property name="orientation">

src/widget/loginscreen.cpp

@@ -27,6 +27,7 @@
 #include "src/widget/form/setpassworddialog.h"
 #include "src/widget/translator.h"
 #include "src/widget/style.h"
+#include "src/widget/tool/profileimporter.h"
 #include <QMessageBox>
 #include <QDebug>
 
@@ -54,6 +55,7 @@ LoginScreen::LoginScreen(QWidget *parent) :
     connect(ui->newPass, &QLineEdit::textChanged, this, &LoginScreen::onPasswordEdited);
     connect(ui->newPassConfirm, &QLineEdit::textChanged, this, &LoginScreen::onPasswordEdited);
     connect(ui->autoLoginCB, &QCheckBox::stateChanged, this, &LoginScreen::onAutoLoginToggled);
+    connect(ui->importButton,  &QPushButton::clicked, this, &LoginScreen::onImportProfile);
 
     reset();
     this->setStyleSheet(Style::getStylesheet(":/ui/loginScreen/loginScreen.css"));
@@ -255,3 +257,13 @@ void LoginScreen::retranslateUi()
 {
     ui->retranslateUi(this);
 }
+
+void LoginScreen::onImportProfile()
+{
+    ProfileImporter *pi = new ProfileImporter(this);
+    if(pi->importProfile() == true)
+    {
+        reset();
+    }
+    delete pi;
+}

src/widget/loginscreen.h

@@ -54,6 +54,7 @@ private slots:
     // Buttons to submit form
     void onCreateNewProfile();
     void onLogin();
+    void onImportProfile();
 
 private:
     void retranslateUi();

src/widget/tool/profileimporter.cpp

@@ -0,0 +1,85 @@
+/*
+    Copyright © 2015-2016 by The qTox Project
+
+    This file is part of qTox, a Qt-based graphical interface for Tox.
+
+    qTox is libre software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    qTox is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with qTox.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "profileimporter.h"
+#include <QString>
+#include <QFile>
+#include <QDir>
+#include <QFileDialog>
+#include <QFileInfo>
+#include "src/persistence/settings.h"
+#include "src/core/core.h"
+#include "src/widget/gui.h"
+#include <QDebug>
+#include <QMessageBox>
+
+ProfileImporter::ProfileImporter(QWidget *parent) : QWidget(parent)
+{
+
+}
+
+bool ProfileImporter::importProfile()
+{
+    QString path = QFileDialog::getOpenFileName( this,
+                                                tr("Import profile", "import dialog title"),
+                                                QDir::homePath(),
+                                                tr("Tox save file (*.tox)", "import dialog filter") );
+
+    if (path.isEmpty())
+         return false;
+
+     QFileInfo info(path);
+     QString profile = info.completeBaseName();
+
+     if (info.suffix() != "tox")
+     {
+         QMessageBox::warning( this,
+                              tr("Ignoring non-Tox file", "popup title"),
+                              tr("Warning: You have chosen a file that is not a Tox save file; ignoring.", "popup text"),
+                              QMessageBox::Ok);
+         return false; //ingore importing non-tox file
+     }
+
+     QString profilePath = QDir(Settings::getInstance().getSettingsDirPath()).filePath(profile + Core::TOX_EXT);
+
+     if (QFileInfo(profilePath).exists())
+     {
+         QMessageBox::StandardButton reply;
+         reply = QMessageBox::warning( this,
+                                      tr("Profile already exists", "import confirm title"),
+                                      tr("A profile named \"%1\" already exists. Do you want to erase it?", "import confirm text").arg(profile),
+                                      QMessageBox::Yes | QMessageBox::No);
+
+        if (reply == QMessageBox::Yes)
+        {
+            QFile::copy(path, profilePath);
+            return true; //import successfull
+        }
+        else
+        {
+            return false; //import canelled
+        }
+     }
+     else
+     {
+         QFile::copy(path, profilePath);
+         return true; //import successfull
+     }
+
+}

src/widget/tool/profileimporter.h

@@ -0,0 +1,38 @@
+/*
+    Copyright © 2015-2016 by The qTox Project
+
+    This file is part of qTox, a Qt-based graphical interface for Tox.
+
+    qTox is libre software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    qTox is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with qTox.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef PROFILEIMPORTER_H
+#define PROFILEIMPORTER_H
+
+#include <QWidget>
+
+class ProfileImporter : public QWidget
+{
+    Q_OBJECT
+
+public:
+    explicit ProfileImporter(QWidget *parent = 0);
+    bool importProfile();
+
+signals:
+
+public slots:
+};
+
+#endif // PROFILEIMPORTER_H

ui/loginScreen/loginScreen.css

@@ -36,6 +36,7 @@ QStackedWidget QPushButton
 }
 
 #loginButton,
+#importButton,
 #createAccountButton {
   border-radius:5px;
   padding:5px;
@@ -43,6 +44,7 @@ QStackedWidget QPushButton
 }
 
 #loginButton:hover,
+#importButton:hover,
 #createAccountButton:hover {
   background: #0c530d;
 }