X-Git-Url: https://git.stderr.nl/gitweb?a=blobdiff_plain;f=src%2Fgui%2Fgui.py;h=815edc5be6fc2cda7afcbc6334a8a7565d63f5e2;hb=9004554dbc0e91173d38208921b361f26ac74b96;hp=b2656177865ccbbe4945700d11fb06a1463c2d46;hpb=218b74c5e7d16bc6aef987d2a74caf0169c121dc;p=matthijs%2Fupstream%2Fmobilegtd.git

diff --git a/src/gui/gui.py b/src/gui/gui.py
index b265617..815edc5 100644
--- a/src/gui/gui.py
+++ b/src/gui/gui.py
@@ -93,7 +93,6 @@ def save_gui(object):
     object.old_menu = appuifw.app.menu
     object.old_exit_key_handler = appuifw.app.exit_key_handler
     object.old_title=appuifw.app.title
-    object.lock = Ao_lock()
 
 def restore_gui(object):
     appuifw.app.body = object.old_gui
@@ -101,19 +100,28 @@ def restore_gui(object):
     appuifw.app.exit_key_handler = object.old_exit_key_handler
     appuifw.app.title = object.old_title
 
+class View(object):
+    def __init__(self):
+        self.title = None
+        self.view = None
+        self.lock = Ao_lock()
+        self.exit_flag = False
+        super(View, self).__init__()
 
-class ListView(object):
-    def __init__(self,title):
+    def set_title(self, title):
         self.title = title
-        self.view = appuifw.Listbox(self.items(),self.change_entry)
-    
-    def change_entry(self):
-        pass
-    
+   
+    def set_view(self, view):
+        """
+        Sets the main view to be displayed (e.g., an appuifw.Listbox
+        instance).
+        """
+        self.view = view
+
     def run(self):
         self.adjustment = None
-        appuifw.app.screen=COMMON_CONFIG['screen'].encode('utf-8')
         save_gui(self)
+        appuifw.app.screen=COMMON_CONFIG['screen'].encode('utf-8')
         appuifw.app.title=self.title
         appuifw.app.body=self.view
         appuifw.app.exit_key_handler=self.exit
@@ -125,10 +133,31 @@ class ListView(object):
         except:
             pass
         restore_gui(self)
+
     def exit(self):
         self.exit_flag = True
         self.lock.signal()
+        super(View, self).exit()
+
+    def refresh(self):
+        """
+        Update the gui after a change in model or some user interaction.
+        Should be filled by subclasses.
+        """
+        super(View, self).refresh()
+
+class ListView(View):
+    def __init__(self):
+        super(ListView, self).__init__()
+        self.set_view(appuifw.Listbox(self.items(),self.entry_selected))
 
+    def entry_selected(self):
+        """
+        This function is called when the user selects an an entry (e.g.,
+        navigates to it and push the ok button).
+        """
+        super(ListView).entry_selected()
+    
     def update(self,subject=None):
         #logger.log(u'Updated %s'%repr(self))
         if self.lock:
@@ -161,10 +190,9 @@ class ListView(object):
 
 
 class WidgetBasedListView(ListView):
-    def __init__(self,title):
+    def __init__(self):
         self.widgets = self.generate_widgets()
-        super(WidgetBasedListView,self).__init__(title)
-        self.exit_flag = False
+        super(WidgetBasedListView,self).__init__()
 
     def run(self):
         self.refresh()
@@ -194,6 +222,7 @@ class KeyBindingView(object):
     
     def __init__(self):
         self.binding_map = {}
+        super(KeyBindingView,self).__init__()
 
     def set_keybindings(self, binding_map):
         """
@@ -234,13 +263,26 @@ class KeyBindingView(object):
             self.view.bind(key,no_action)
 
 class SearchableListView(WidgetBasedListView):
-    def __init__(self,title,entry_filters):
+    def __init__(self):
+        self.current_entry_filter_index = -1
+        self.entry_filters = []
+        self.filtered_list = lambda:[]
+        self.lock = None
+        super(SearchableListView,self).__init__()
+
+    def set_filters(self, entry_filters):
+        """
+        Set the filters that could be applied to this list. Each filter
+        can be applied in turn by calling switch_entry_filter (for
+        example from a key binding).
+
+        The entry_filters argument should be a list of filters. The
+        active filter is stored into self.filtered_list and should be
+        processed by generate_widgets in the subclass.
+        """
         self.current_entry_filter_index = 0
         self.entry_filters = entry_filters
         self.filtered_list = self.entry_filters[0]
-        self.lock = None
-        super(SearchableListView,self).__init__(title)
-
 
     def search_item(self):
         selected_item = appuifw.selection_list(self.all_widget_texts(),search_field=1)
@@ -248,6 +290,7 @@ class SearchableListView(WidgetBasedListView):
             selected_item = self.selected_index()
         self.view.set_list(self.items(),selected_item)
         self.set_bindings_for_selection(selected_item)
+
     def switch_entry_filter(self):
         self.current_entry_filter_index += 1
         self.filtered_list = self.entry_filters[self.current_entry_filter_index % len(self.entry_filters)]
@@ -255,9 +298,8 @@ class SearchableListView(WidgetBasedListView):
 
 
 class EditableListView(SearchableListView,KeyBindingView):
-    def __init__(self,title,entry_filters):
-        KeyBindingView.__init__(self)
-        super(EditableListView, self).__init__(title,entry_filters)
+    def __init__(self):
+        super(EditableListView, self).__init__()
 
     def key_and_menu_bindings(self,selected_index):
         key_and_menu_bindings=[]
@@ -268,7 +310,7 @@ class EditableListView(SearchableListView,KeyBindingView):
             key_and_menu_bindings.append((get_key(key),key,description,execute_and_update_function))
         return key_and_menu_bindings
 
-    def change_entry(self):
+    def entry_selected(self):
         self.current_widget().change()
         self.refresh()
     def execute_and_update(self,function):