"""!
@package menudata.py

@brief Complex list for main menu entries for GRASS wxPython GUI.

Classes:
 - Data

(C) 2007-2009 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 Michael Barton (Arizona State University)
@author Yann Chemin <yann.chemin gmail.com>
@author Martin Landa <landa.martin gmail.com>
@author Glynn Clements
"""

import os
try:
    import xml.etree.ElementTree as etree
except ImportError:
    import elementtree.ElementTree as etree # Python <= 2.4

class Data:
    '''!Data object that returns menu descriptions to be used in wxgui.py.'''
    def __init__(self, gisbase=None):
        if not gisbase:
            gisbase = os.getenv('GISBASE')
	filename = os.path.join(gisbase, 'etc', 'wxpython', 'xml', 'menudata.xml')
	self.tree = etree.parse(filename)

    def getMenuItem(self, mi):
	if mi.tag == 'separator':
	    return ('', '', '', '')
	elif mi.tag == 'menuitem':
	    label   = _(mi.find('label').text)
	    help    = _(mi.find('help').text)
	    handler = mi.find('handler').text
	    gcmd    = mi.find('command')
	    if gcmd != None:
		gcmd = gcmd.text
	    else:
		gcmd = ""
	    return (label, help, handler, gcmd)
	elif mi.tag == 'menu':
	    return self.getMenu(mi)
	else:
	    raise Exception()

    def getMenu(self, m):
	label = _(m.find('label').text)
	items = m.find('items')
	return (label, tuple(map(self.getMenuItem, items)))

    def getMenuBar(self, mb):
	return tuple(map(self.getMenu, mb.findall('menu')))

    def getMenuData(self, md):
	return list(map(self.getMenuBar, md.findall('menubar')))

    def GetMenu(self):
	return self.getMenuData(self.tree.getroot())

    def PrintStrings(self, fh):
	fh.write('menustrings = [\n')
	for node in self.tree.getiterator():
	    if node.tag in ['label', 'help']:
		fh.write('     _(%r),\n' % node.text)
	fh.write('    \'\']\n')

    def GetModules(self):
        """!Create dictionary of modules used to search module by
        keywords, description, etc."""
        modules = dict()
        
        for node in self.tree.getiterator():
            if node.tag == 'menuitem':
                module = description = ''
                keywords = []
                for child in node.getchildren():
                    if child.tag == 'help':
                        description = child.text
                    if child.tag == 'command':
                        module = child.text
                    if child.tag == 'keywords':
                        keywords = child.text.split(',')
                
                if module:
                    modules[module] = { 'desc': description,
                                        'keywords' : keywords }
        
        return modules

if __name__ == "__main__":
    import sys
    if len(sys.argv) < 2:
        sys.exit(1)
    
    Data(sys.argv[1]).PrintStrings(sys.stdout)
    
    sys.exit(0)