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"""!
@package menu.py
@brief Menu classes for wxGUI
Classes:
- Menu
(C) 2010 by the GRASS Development Team
This program is free software under the GNU General Public License
(>=v2). Read the file COPYING that comes with GRASS for details.
@author Martin Landa <landa.martin gmail.com>
@author Pawel Netzel (menu customization)
@author Milena Nowotarska (menu customization)
@author Robert Szczepanek (menu customization)
@author Vaclav Petras <wenzeslaus gmail.com> (menu customization)
"""
import wx
import globalvar
import utils
from preferences import globalSettings as UserSettings
class Menu(wx.MenuBar):
def __init__(self, parent, data):
"""!Creates menubar"""
wx.MenuBar.__init__(self)
self.parent = parent
self.menudata = data
self.menucmd = dict()
self.menustyle = UserSettings.Get(group='appearance', key='menustyle', subkey='selection')
for eachMenuData in self.menudata.GetMenu():
for eachHeading in eachMenuData:
menuLabel = eachHeading[0]
menuItems = eachHeading[1]
self.Append(self._createMenu(menuItems), menuLabel)
def _createMenu(self, menuData):
"""!Creates menu"""
menu = wx.Menu()
for eachItem in menuData:
if len(eachItem) == 2:
label = eachItem[0]
subMenu = self._createMenu(eachItem[1])
menu.AppendMenu(wx.ID_ANY, label, subMenu)
else:
self._createMenuItem(menu, self.menustyle, *eachItem)
self.parent.Bind(wx.EVT_MENU_HIGHLIGHT_ALL, self.OnMenuHighlight)
return menu
def _createMenuItem(self, menu, menustyle, label, help, handler, gcmd, keywords,
shortcut = '', kind = wx.ITEM_NORMAL):
"""!Creates menu items
There are three menu styles (menu item text styles).
1 -- label only, 2 -- label and cmd name, 3 -- cmd name only
"""
if not label:
menu.AppendSeparator()
return
if len(gcmd) > 0:
helpString = gcmd + ' -- ' + help
if menustyle == 1:
label += ' [' + gcmd + ']'
elif menustyle == 2:
label = ' [' + gcmd + ']'
else:
helpString = help
if shortcut:
label += '\t' + shortcut
menuItem = menu.Append(wx.ID_ANY, label, helpString, kind)
self.menucmd[menuItem.GetId()] = gcmd
if gcmd:
try:
cmd = utils.split(str(gcmd))
except UnicodeError:
cmd = utils.split(utils.EncodeString((gcmd)))
if cmd and cmd[0] not in globalvar.grassCmd['all']:
menuItem.Enable(False)
rhandler = eval('self.parent.' + handler)
self.parent.Bind(wx.EVT_MENU, rhandler, menuItem)
def GetData(self):
"""!Get menu data"""
return self.menudata
def GetCmd(self):
"""!Get list of commands
@return list of commands
"""
return self.menucmd
def OnMenuHighlight(self, event):
"""
Default menu help handler
"""
# Show how to get menu item info from this event handler
id = event.GetMenuId()
item = self.FindItemById(id)
if item:
text = item.GetText()
help = item.GetHelp()
# but in this case just call Skip so the default is done
event.Skip()
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