[gui] Memorize previous writtent/opened folders

gui/cadbiom_gui/gt_gui/charter.py

@@ -41,7 +41,7 @@
 """
 Main class for Cadbiom gui
 """
-
+import os
 import gtk
 import webbrowser
 
@@ -98,6 +98,10 @@ class Charter(object):
         self.simul_strict = True
         self.sim_flat_graph = False
 
+        # working folders for FileChooser
+        self.previously_opened_folder = os.getcwd()
+        self.previously_written_folder = os.getcwd()
+
         # common clipboard
         self.clipboard = ChartClipboard()
         # gui
@@ -654,6 +658,7 @@ class Charter(object):
         """
         fch = FileChooser("Export to xml Cadbiom model", "bcx files", "*.bcx")
         fch.set_current_name(self.current_edit_mvc.model.name + ".bcx")
+        fch.set_current_folder(self.previously_written_folder)
         fch.do_action(self.create_xml_file)
 
 
@@ -670,6 +675,7 @@ class Charter(object):
             mfile = open(xml_file, 'w')
             mfile.write(xml.return_xml())
             mfile.close()
+            self.previously_written_folder = os.path.dirname(xml_file)
         except XmlException as xec:
             cancel_warn(xec.message)
             return
@@ -680,22 +686,25 @@ class Charter(object):
         """
         fch = FileChooser("Import xml Cadbiom model", "bcx files", "*.bcx",
                           save_window=False)
+        fch.set_current_folder(self.previously_opened_folder)
         fch.do_action(self.import_from_xml_file)
 
-    def import_from_xml_file(self, ffile):
+    def import_from_xml_file(self, xml_file):
         """
         As it says
         """
-        self.import_from_xml(ffile, ffile=True)
+        self.import_from_xml(xml_file, ffile=True)
+        self.previously_opened_folder = os.path.dirname(xml_file)
 
-    def import_from_xml(self, xml_cont, ffile=False):
+    def import_from_xml(self, xml_file, ffile=False):
         """
         open and parse an xml file or from db
         """
         if ffile:
-            parsing = MakeModelFromXmlFile(xml_cont)
+            parsing = MakeModelFromXmlFile(xml_file)
         else:
-            parsing = MakeModelFromXmlString(xml_cont)
+            parsing = MakeModelFromXmlString(xml_file)
+
         # chart model
         model = parsing.get_model()
         model.modified = False
@@ -708,6 +717,7 @@ class Charter(object):
         """
         fch = FileChooser("Import from Cadbiom-chart lang", "cadbiom-l", "*.cal",
                           save_window=False)
+        fch.set_current_folder(self.previously_opened_folder)
         fch.do_action(self.import_from_cl_file)
 
     def import_from_cl_file(self, ffile):
@@ -725,6 +735,7 @@ class Charter(object):
         if crep.error:
             DisplayError(crep, ffile)
             return
+        self.previously_opened_folder = os.path.dirname(ffile)
         model = parser.model
         self.add_edit_mvc(model.name, model, False)
         self.do_layout(None, "hierarchical_LR")
@@ -751,6 +762,7 @@ class Charter(object):
         """
         fch = FileChooser("Export to Cadbiom-chart lang", "cadbiom-l", "*.cal")
         fch.set_current_name(self.current_edit_mvc.model.name + ".cal")
+        fch.set_current_folder(self.previously_written_folder)
         fch.do_action(self.compile_to_lang)
 
     def compile_to_lang(self, file_name):
@@ -762,6 +774,7 @@ class Charter(object):
         lvi = LangVisitor(out)
         self.current_edit_mvc.model.accept(lvi)
         out.close()
+        self.previously_written_folder = os.path.dirname(file_name)
 
     def show_doc(self, widget):
         """