Deactivate switch view button when there is only 1 view

review400002

CHANGELOG

@@ -1,3 +1,4 @@
+* Deactivate switch view button when there is only 1 view
 * Manage create/delete field access
 * Add dynamic size limit on the One2Many, Many2Many and Char
 * Search only on fields in XML view

tryton/gui/window/form.py

@@ -468,11 +468,13 @@ class Form(SignalEvent, TabContent):
         if signal_data[0]:
             name = str(signal_data[0])
         for button_id in ('print', 'action', 'relate', 'email', 'open', 'save',
-                'switch', 'attach'):
+                'attach'):
             button = self.buttons[button_id]
             can_be_sensitive = getattr(button, '_can_be_sensitive', True)
             button.props.sensitive = (bool(signal_data[0])
                 and can_be_sensitive)
+        button_switch = self.buttons['switch']
+        button_switch.props.sensitive = self.screen.number_of_views > 1
 
         msg = name + ' / ' + str(signal_data[1])
         if signal_data[1] < signal_data[2]:

tryton/gui/window/view_form/screen/screen.py

@@ -306,6 +306,10 @@ class Screen(SignalEvent):
             self.switch_view(view_type='form')
             return True
 
+    @property
+    def number_of_views(self):
+        return len(self.views) + len(self.view_to_load)
+
     def switch_view(self, view_type=None, default=True, context=None):
         if not self.parent and self.modified():
             return
@@ -320,7 +324,7 @@ class Screen(SignalEvent):
             self.current_view.display()
             return
         if not view_type or self.current_view.view_type != view_type:
-            for i in xrange(len(self.views) + len(self.view_to_load)):
+            for i in xrange(self.number_of_views):
                 if len(self.view_to_load):
                     self.load_view_to_load()
                     self.__current_view = len(self.views) - 1

tryton/gui/window/view_form/view/form_gtk/one2many.py

@@ -170,6 +170,8 @@ class One2Many(WidgetInterface):
         if self.attrs.get('add_remove'):
             self.wid_text.connect('key_press_event', self.on_keypress)
 
+        but_switch.props.sensitive = self.screen.number_of_views > 1
+
     def _color_widget(self):
         if hasattr(self.screen.current_view, 'widget_tree'):
             return self.screen.current_view.widget_tree

tryton/gui/window/win_form.py

@@ -233,6 +233,8 @@ class WinForm(NoModal):
             but_switch.set_relief(gtk.RELIEF_NONE)
             hbox.pack_start(but_switch, expand=False, fill=False)
 
+            but_switch.props.sensitive = screen.number_of_views > 1
+
             tooltips.enable()
 
             alignment = gtk.Alignment(1.0)