Added e-mail change dialog (#4536)

data/gui/screens/online/profile_settings.stkgui

@@ -17,11 +17,17 @@
 
         <box proportion="1" width="100%" layout="vertical-row">
             <div x="1%" y="2%" width="98%" height="96%" layout="vertical-row" >
-                <div width="fit" height="fit" layout="horizontal-row" >
+                <div width="19%" height="fit" layout="horizontal-row" >
                     <label proportion="1" height="fit" text_align="left" I18N="In the online account settings screen" text="Password:"/>
                     <spacer width="20" height="1"/>
                     <button id="change_password_button" height="100%" width="fit" text="Change" />
                 </div>
+                <spacer height="5%" width="20"/>
+                <div width="19%" height="fit" layout="horizontal-row" >
+                    <label proportion="1" height="fit" text_align="left" I18N="In the online account settings screen" text="E-mail:"/>
+                    <spacer width="20" height="1"/>
+                    <button id="change_email_button" height="100%" width="fit" text="Change" />
+                </div>
             </div>
         </box>
     </div>

src/states_screens/online/online_profile_settings.cpp

@@ -23,7 +23,12 @@
 #include "guiengine/widget.hpp"
 #include "states_screens/state_manager.hpp"
 #include "states_screens/dialogs/change_password_dialog.hpp"
+#include "states_screens/dialogs/general_text_field_dialog.hpp"
+#include "states_screens/dialogs/message_dialog.hpp"
 #include "utils/translation.hpp"
+#include "online/xml_request.hpp"
+#include "config/player_manager.hpp"
+#include "audio/sfx_manager.hpp"
 
 #include <IGUIButton.h>
 
@@ -47,6 +52,7 @@ void OnlineProfileSettings::loadedFromFile()
 {
     OnlineProfileBase::loadedFromFile();
     m_change_password_button = this->getWidget<ButtonWidget>("change_password_button");
+    m_change_email_button = getWidget<ButtonWidget>("change_email_button");
     assert(m_change_password_button != NULL);
 }   // loadedFromFile
 
@@ -68,5 +74,56 @@ void OnlineProfileSettings::eventCallback(Widget* widget, const std::string& nam
    {
        new ChangePasswordDialog();
    }
+    if (name == m_change_email_button->m_properties[GUIEngine::PROP_ID])
+    {
+        new GeneralTextFieldDialog(_("Enter new E-mail below"),[](const irr::core::stringw& str){},[&](GUIEngine::LabelWidget* lw, GUIEngine::TextBoxWidget* tb)->bool
+        {
+            const irr::core::stringw new_email = tb->getText().trim();
+            if (new_email.size() < 5 || new_email.size() > 254)
+            {
+                lw->setText(_("New Email has to be between 5 and 254 characters long!"), false);
+                lw->setErrorColor();
+                SFXManager::get()->quickSound("anvil");
+                return false;
+            }
+            else if (  new_email.find(L"@")== -1 || new_email.find(L".")== -1 ||
+                    (new_email.findLast(L'.') - new_email.findLast(L'@') <= 2 ) ||
+                        new_email.findLast(L'@')==0 )
+            {
+                lw->setText(_("New Email is invalid!"), false);
+                lw->setErrorColor();
+                SFXManager::get()->quickSound("anvil");
+                return false;
+            }
+            else
+            {
+                lw->setDefaultColor();
+                changeEmail(new_email);
+                return true;
+            }
+            
+        });
+    }
 }   // eventCallback
 
+// -----------------------------------------------------------------------------
+
+void OnlineProfileSettings::changeEmail(const irr::core::stringw &new_email)
+{
+    class ChangeEmailRequest : public XMLRequest
+    {
+        virtual void callback()
+        {
+            if(isSuccess())
+                new MessageDialog(_("E-mail changed!"));
+            else
+                new MessageDialog(_("Failed to change E-mail: %s", getInfo()));
+        }   // callback
+        public:
+            ChangeEmailRequest() : XMLRequest() {}
+    };  // ChangeEmailRequest
+    auto request = std::make_shared<ChangeEmailRequest>();
+    PlayerManager::setUserDetails(request, "change-email");
+    request->addParameter("new-email", new_email);
+    request->queue();
+}   // changeEmail

src/states_screens/online/online_profile_settings.hpp

@@ -38,7 +38,8 @@ class OnlineProfileSettings : public OnlineProfileBase, public GUIEngine::Screen
 protected:
     OnlineProfileSettings();
     GUIEngine::ButtonWidget * m_change_password_button;
-
+    GUIEngine::ButtonWidget* m_change_email_button;
+    void changeEmail(const irr::core::stringw &new_email);
 public:
     friend class GUIEngine::ScreenSingleton<OnlineProfileSettings>;