add possibility to save the default config to a new file.

nexxT/core/Configuration.py

@@ -172,6 +172,17 @@ def save(self, file=None):
         self.setDirty(False)
         return cfg
 
+    def filename(self):
+        """
+        Get the configuration file name or None if it is not set.
+        :return:
+        """
+        try:
+            return self._propertyCollection.getProperty("CFGFILE")
+        except PropertyCollectionPropertyNotFound:
+            return None
+
+
     def propertyCollection(self):
         """
         Get the (root) property collection.

nexxT/interface/Filters.py

@@ -203,7 +203,7 @@ def environment(self):
         """
         return self._environment
 
-    def onSuggestDynamicPorts(self):
+    def onSuggestDynamicPorts(self): # pylint: disable=no-self-use
         """
         Shall return the suggested dynamic ports of this filter. Prominent example is to return the streams
         contained in a HDF5 file. Note that it is safe to assume that the instance lives in the GUI thread,

nexxT/services/SrvConfiguration.py

@@ -649,6 +649,19 @@ def execute():
             ConfigFileLoader.save(self._configuration)
         execute()
 
+    @Slot(str)
+    def saveConfigAs(self, filename):
+        """
+        Call this slot to save the configuration
+        :return:
+        """
+        @handleException
+        def execute():
+            assertMainThread()
+            logger.debug("Saving config file")
+            ConfigFileLoader.save(self._configuration, filename)
+        execute()
+
     @Slot(str)
     def newConfig(self, cfgFileName):
         """

nexxT/services/gui/Configuration.py

@@ -42,7 +42,7 @@ def __init__(self, configuration):
         self.actLoad = QAction(QApplication.style().standardIcon(QStyle.SP_DialogOpenButton), "Open config", self)
         self.actLoad.triggered.connect(self._execLoad)
         self.actSave = QAction(QApplication.style().standardIcon(QStyle.SP_DialogSaveButton), "Save config", self)
-        self.actSave.triggered.connect(self.saveConfig)
+        self.actSave.triggered.connect(self._execSaveConfig)
         self.actNew = QAction(QApplication.style().standardIcon(QStyle.SP_FileIcon), "New config", self)
         self.actNew.triggered.connect(self._execNew)
 
@@ -149,11 +149,27 @@ def _execNew(self):
         assertMainThread()
         if self._checkDirty():
             return
-        fn, _ = QFileDialog.getSaveFileName(self.mainWidget, "Save configuration", filer="*.json")
+        fn, _ = QFileDialog.getSaveFileName(self.mainWidget, "New configuration", ".", filter="*.json")
         if fn is not None and fn != "":
             logger.debug("Creating config file %s", fn)
             self.newConfig(fn)
 
+    def _execSaveConfig(self):
+        if self.configuration().filename() is None:
+            self._execSaveConfigAs()
+        else:
+            self.saveConfig()
+
+    def _execSaveConfigAs(self):
+        """
+        Opens a file dialog to get the save file name and calls saveConfig.
+        :return:
+        """
+        assertMainThread()
+        fn, _ = QFileDialog.getSaveFileName(self.mainWidget, "Save configuration as", ".", "*.json")
+        if fn is not None and fn != "":
+            self.saveConfigAs(fn)
+
     def _addGraphView(self, subConfig):
         g = subConfig.getGraph()
         # remove already deleted graph views from internal list

nexxT/services/gui/GraphEditor.py

@@ -874,7 +874,7 @@ def accept(self):
         self.selectedInputPorts = [cb.text() for cb in self.inputCheckBoxes if cb.isChecked() and cb.isEnabled()]
         self.selectedOutputPorts = [cb.text() for cb in self.outputCheckBoxes if cb.isChecked() and cb.isEnabled()]
         return super().accept()
-        
+
     def reject(self):
         """
         Rejects user selection.
@@ -1203,7 +1203,8 @@ def onSuggestDynamicPorts(self):
             with mockup.createFilter() as env:
                 inputPorts, outputPorts = env.getPlugin().onSuggestDynamicPorts()
             if len(inputPorts) > 0 or len(outputPorts) > 0:
-                inputPorts, outputPorts = PortSelectorDialog.getSelectedPorts(self.views()[0], inputPorts, outputPorts, self.graph, item.name)
+                inputPorts, outputPorts = PortSelectorDialog.getSelectedPorts(self.views()[0], inputPorts, outputPorts,
+                                                                              self.graph, item.name)
                 for ip in inputPorts:
                     self.graph.addDynamicInputPort(item.name, ip)
                 for op in outputPorts: