Use QXml for export engine

Change import/export engine filter to Qt format
Qt doesn't add extension in its file dialog
Fix a bug : op was not correctly set by default in OnOperationModified (GridAccount)

src/model/import/GrisbiImportEngine.cpp

@@ -199,8 +199,8 @@ GrisbiImportEngine::GrisbiImportEngine()
 {
     KissCount::RegisterImportEngine(this);
 
-    _shortExt = "gsb";
-    _longExt = _("Grisbi files (*.gsb)|*.gsb");
+    _shortExt = ".gsb";
+    _longExt = _("Grisbi files (*.gsb)");
 
     _sax.startElement = GrisbiStartElement ;
 }

src/model/import/ImportEngine.cpp

@@ -52,6 +52,11 @@ QString ImportEngine::GetFileExt()
     return _(_longExt.toStdString().c_str());
 }
 
+QString ImportEngine::GetShortExt()
+{
+    return _shortExt;
+}
+
 std::vector<QString> ExplodeString(QString& s)
 {
     QString tmp = s, cur = "";

src/model/import/ImportEngine.hpp

@@ -41,9 +41,11 @@ public:
     ~ImportEngine();
 
     // Get supported file extension. Example :
-    // "OFX files (*.ofx)|*.ofx"
+    // "OFX files (*.ofx)"
     virtual QString GetFileExt();
 
+    virtual QString GetShortExt();
+
     // Handle the file
     virtual bool HandleFile(const QString& path, User* user, Database* db, KissCount* kiss)=0;
 

src/model/import/OFXImportEngine.cpp

@@ -136,8 +136,8 @@ OFXImportEngine::OFXImportEngine()
     ofx_set_transaction_cb(_ctx, transaction_cb, this);
     ofx_set_statement_cb(_ctx, account_balance_cb, this);
 
-    _shortExt = "ofx";
-    _longExt = _("OFX files (*.ofx)|*.ofx");
+    _shortExt = ".ofx";
+    _longExt = _("OFX files (*.ofx)");
 }
 
 OFXImportEngine::~OFXImportEngine()

src/model/import/XMLImportEngine.cpp

@@ -263,8 +263,8 @@ XMLImportEngine::XMLImportEngine()
 {
     KissCount::RegisterImportEngine(this);
 
-    _shortExt = "xml";
-    _longExt = _("KissCount xml files (*.xml)|*.xml");
+    _shortExt = ".xml";
+    _longExt = _("KissCount xml files (*.xml)");
 
     _sax.startElement = XmlStartElement ;
 }