From afaa5f77dd01948a27575602cf5c655d025990b9 Mon Sep 17 00:00:00 2001
From: Simon Schampijer <simon@schampijer.de>
Date: Thu, 11 Sep 2008 09:28:47 +0000
Subject: CP: clear network configuration #7480

(dsd, erikg, scott, marco, erikos, eben)
---
diff --git a/src/controlpanel/model/network.py b/src/controlpanel/model/network.py
index c3bc6f6..cbe0473 100644
--- a/src/controlpanel/model/network.py
+++ b/src/controlpanel/model/network.py
@@ -19,6 +19,7 @@ import dbus
 from gettext import gettext as _
 
 from sugar import profile
+from hardware import hardwaremanager
 
 NM_SERVICE_NAME = 'org.freedesktop.NetworkManager'
 NM_SERVICE_PATH = '/org/freedesktop/NetworkManager'
@@ -89,3 +90,12 @@ def clear_registration():
     pro.backup1 = None
     pro.save()
     return 1
+
+def clear_networks():
+    """Clear saved passwords and network configurations.
+    """
+    network_manager = hardwaremanager.get_network_manager()
+    if not network_manager:
+        return
+    network_manager.nminfo.delete_all_networks()
+    return 1
diff --git a/src/controlpanel/view/network.py b/src/controlpanel/view/network.py
index 8d3f382..2b19656 100644
--- a/src/controlpanel/view/network.py
+++ b/src/controlpanel/view/network.py
@@ -38,6 +38,7 @@ class Network(SectionView):
         self._radio_valid = True
         self._jabber_change_handler = None
         self._radio_change_handler = None
+        self._network_configuration_reset_handler = None
 
         self.set_border_width(style.DEFAULT_SPACING * 2)
         self.set_spacing(style.DEFAULT_SPACING)
@@ -57,33 +58,51 @@ class Network(SectionView):
         box_wireless = gtk.VBox()
         box_wireless.set_border_width(style.DEFAULT_SPACING * 2)
         box_wireless.set_spacing(style.DEFAULT_SPACING)
+
+        radio_info = gtk.Label(_("Turn of the wireless radio to save " 
+                                 "battery life"))
+        radio_info.set_alignment(0, 0)
+        radio_info.set_line_wrap(True)
+        radio_info.show()
+        box_wireless.pack_start(radio_info, expand=False)
+
         box_radio = gtk.HBox(spacing=style.DEFAULT_SPACING)
-        label_radio = gtk.Label(_('Radio:'))
-        label_radio.set_alignment(1, 0.5)
-        label_radio.modify_fg(gtk.STATE_NORMAL, 
-                              style.COLOR_SELECTION_GREY.get_gdk_color())
-        box_radio.pack_start(label_radio, expand=False)
-        group.add_widget(label_radio)
-        label_radio.show()        
         self._button = gtk.CheckButton()
         self._button.set_alignment(0, 0)
         box_radio.pack_start(self._button, expand=False)
         self._button.show()
+
+        label_radio = gtk.Label(_('Radio'))
+        label_radio.set_alignment(0, 0.5)
+        box_radio.pack_start(label_radio, expand=False)
+        label_radio.show()
+
         box_wireless.pack_start(box_radio, expand=False)
         box_radio.show()
 
         self._radio_alert = InlineAlert()
-        label_radio_error = gtk.Label()
-        group.add_widget(label_radio_error)
-        self._radio_alert_box.pack_start(label_radio_error, expand=False)
-        label_radio_error.show()
         self._radio_alert_box.pack_start(self._radio_alert, expand=False)
-        box_wireless.pack_end(self._radio_alert_box, expand=False)
+        box_radio.pack_end(self._radio_alert_box, expand=False)
         self._radio_alert_box.show()
         if 'radio' in self.restart_alerts:
             self._radio_alert.props.msg = self.restart_msg
             self._radio_alert.show()
 
+        history_info = gtk.Label(_("Discard network history if you " 
+                                   "have trouble connecting to the network"))
+        history_info.set_alignment(0, 0)
+        history_info.set_line_wrap(True)
+        history_info.show()
+        box_wireless.pack_start(history_info, expand=False)
+
+        box_clear_history = gtk.HBox(spacing=style.DEFAULT_SPACING)
+        self._clear_history_button = gtk.Button()
+        self._clear_history_button.set_label(_('Discard network history'))
+        box_clear_history.pack_start(self._clear_history_button, expand=False)
+        self._clear_history_button.show()
+        box_wireless.pack_start(box_clear_history, expand=False)
+        box_clear_history.show()
+
         self.pack_start(box_wireless, expand=False)
         box_wireless.show()
 
@@ -153,6 +172,9 @@ class Network(SectionView):
                 'toggled', self.__radio_toggled_cb)
         self._jabber_change_handler = self._entry.connect( \
                 'changed', self.__jabber_changed_cb)
+        self._network_configuration_reset_handler =  \
+                self._clear_history_button.connect( \
+                        'clicked', self.__network_configuration_reset_cb)
         
     def undo(self):
         self._button.disconnect(self._radio_change_handler)
@@ -204,3 +226,6 @@ class Network(SectionView):
         self._validate()
         self._jabber_alert.show()        
         return False
+
+    def __network_configuration_reset_cb(self, widget):
+        self._model.clear_networks()
diff --git a/src/hardware/nminfo.py b/src/hardware/nminfo.py
index e561ff1..58d1a6d 100644
--- a/src/hardware/nminfo.py
+++ b/src/hardware/nminfo.py
@@ -549,3 +549,8 @@ class NMInfo(object):
             return
         self._key_dialog_destroy_cb(self._key_dialog)
 
+    # this method is invoked directly in-process (not by DBus).
+    def delete_all_networks(self):
+        self._allowed_networks = {}
+        self.save_config()
+
--
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