/[thuban]/branches/WIP-pyshapelib-bramz/Thuban/UI/menu.py
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trunk/thuban/Thuban/UI/menu.py revision 214 by bh, Tue Jul 16 15:25:24 2002 UTC branches/WIP-pyshapelib-bramz/Thuban/UI/menu.py revision 2734 by bramz, Thu Mar 1 12:42:59 2007 UTC
# Line 9  Line 9 
9    
10  __version__ = "$Revision$"  __version__ = "$Revision$"
11    
12    from Thuban import _
13    
14  class Menu:  class Menu:
15    
# Line 41  class Menu: Line 42  class Menu:
42      def item_index(self, item):      def item_index(self, item):
43          """Return the index of item in the menu.          """Return the index of item in the menu.
44    
45            item -- may be the name of a non-menu entry or the
46                    name of a menu or a menu itself.
47    
48          Return None it item is not found.          Return None it item is not found.
49          """          """
50          try:          for i in range(len(self.items)):
51              return self.items.index(item)              temp = self.items[i]
52          except ValueError:              if temp == item:
53              return None                  # this case takes care of item being the name of an
54                    # entry or a menu.
55                    return i
56                elif isinstance(temp, Menu) and temp.name == item:
57                    # item is the name of a menu
58                    return i
59            # Didn't find the item so return None
60            return None
61    
62      def find_menu(self, name):      def find_menu(self, name):
63          """Return the submenu named name or None if no such item exists"""          """Return the submenu named name or None if no such item exists"""
# Line 59  class Menu: Line 70  class Menu:
70          """Insert a menu item.          """Insert a menu item.
71    
72          Parameters:          Parameters:
73            
74           item -- the menu item to insert must be either a string with           item -- the menu item to insert must be either a string with
75                  the command's name or a Menu instance.                  the command's name or a Menu instance.
76            
77           menu -- (optional) the submenu to insert into. It should be a           menu -- (optional) the submenu to insert into. It should be a
78                  sequence of menu names.                  sequence of menu names.
79            
80           after -- (optional) insert the new item after this one. after           after -- (optional) insert the new item after this one. after
81                   should be the name of a command.                   should be the name of a command.
82          """          """
# Line 76  class Menu: Line 87  class Menu:
87                  submenu_index.InsertItem(item, menu = menu[1:], after = after)                  submenu_index.InsertItem(item, menu = menu[1:], after = after)
88              else:              else:
89                  # the submenu doesn't exist yet. Raise an error.                  # the submenu doesn't exist yet. Raise an error.
90                  raise KeyError("Submenu %s doesn't exist" % menu[0])                  raise KeyError(_("Submenu %s doesn't exist") % menu[0])
91          else:          else:
92              if after is not None:              if after is not None:
93                  idx = self.item_index(after)                  idx = self.item_index(after)
# Line 84  class Menu: Line 95  class Menu:
95                  idx = None                  idx = None
96    
97              if idx is not None:              if idx is not None:
98                  self.items.insert(idx + 1, item)                  self.items.insert(idx + 1, item)
99              else:              else:
100                  self.items.append(item)                  self.items.append(item)
101    
102      def InsertSeparator(self):      def InsertSeparator(self, after = None):
103          """Insert a separator"""          """Insert a separator
104          self.InsertItem(None)  
105            after -- (optional) insert the separator after this one. after
106                     should be the name of a command.
107            """
108            self.InsertItem(None, after = after)
109    
110      def InsertMenu(self, name, title, menu = (), after = None):      def InsertMenu(self, name, title, menu = (), after = None):
111          """Insert and return a new menu.          """Insert and return a new menu.
# Line 100  class Menu: Line 115  class Menu:
115           name -- the (internal) name of the menu           name -- the (internal) name of the menu
116    
117           title -- the (possibly localized) title           title -- the (possibly localized) title
118            
119           menu -- (optional) the submenu to insert into. It should be a           menu -- (optional) the submenu to insert into. It should be a
120                  sequence of menu names.                  sequence of menu names.
121            
122           after -- (optional) insert the new item after this one. after           after -- (optional) insert the new item after this one. after
123                   should be the name of a command.                   should be the name of a command.
124          """          """
# Line 111  class Menu: Line 126  class Menu:
126          self.InsertItem(newmenu, menu = menu, after = after)          self.InsertItem(newmenu, menu = menu, after = after)
127          return newmenu          return newmenu
128    
129        def FindOrInsertMenu(self, name, title, menu = (), after = None):
130            """
131            Find the menu with the specified name. If found, return it.
132            Else insert the menu as specified and return it.
133    
134            Parameters: See InsertMenu().
135            """
136    
137            m = self.find_menu(name)
138            if m is None:
139                m = self.InsertMenu(name, title, menu, after)
140            return m
141    
142    
143      def SetItems(self, items):      def SetItems(self, items):
144          """Replace the contents of the menu by items."""          """Replace the contents of the menu by items."""
145          self.items = items          self.items = items
146            
147        def RemoveItem(self, item):
148            """Remove an item from the menu.
149    
150            item -- the (internal) name of the item.
151            """
152            i = self.item_index(item)
153            if i is not None:
154                self.items.pop(i)
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