# 
# Copyright (c) 2003 by Asko Soukka
# 
# This file is part of Navidoc.
# 
# Navidoc is free software; you can redistribute it and/or modify it under
# the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
# 
# Navidoc is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
# or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General
# Public License for more details.
# 
# You should have received a copy of the GNU General
# Public License along with Navidoc; if not, write to the Free
# Software Foundation, Inc., 59 Temple Place, Suite 330, Boston,
# MA  02111-1307  USA
# 

# $Id: config.himalia,v 1.21 2003/07/21 14:09:58 humppake Exp $

#
# Written by Asko Soukka
#

__docformat__ = 'reStructuredText'

"""
Navidoc configuration module.
"""

dbg = None

import os, ConfigParser

import navidoc.util.debug

# General debug filter
dbg = navidoc.util.debug.DebugFilter()

# System calls
metapost = 'mpost'
pnmscale = 'pnmscale'
pstopnm = 'pstopnm'
pnmtopng = 'pnmtopng'
stderr = '/dev/null'

# Initializing dynamic settings
# These should be kept up-to-date in code
# always when compiling reST or diagrams
working_directory = '.'
input_filename = ''
output_filename = ''
link_base_directory = None # if different than working_directory

# Set the default docutils.conf
docutils_conf = './docutils.conf'

# Set the default navidoc.conf
navidoc_conf = './navidoc.conf'
read_navidoc_conf = ''

# Holder of packagenames when linking diagrams
# will be cleaned after every diagram
linkpackages = {}

# Should linked parts of the diagram be emphasized
# using colors and rough edge
link_emphasize = 0

# Should diagrams be generated at all
# this is altered to halt image generation
# temporarily
mp_generate = 1

# Generate only eps -versions of diagrams
# Usable, when compiling reSTs into LaTeX
mp_eps_only = 0

# Should context menu be added into diagrams
# this is modifiable later as UML direvtive option
mp_context_menu = 0

def read_config(module, filepath):
    """
    read_config(module, filepath)
    
    Reads a config file and updates
    attributes in module.
    """
    cp = ConfigParser.ConfigParser()
    cp.read(filepath)
    for section in cp.sections():
        for option in cp.options(section):
            setattr(module, option, eval(cp.get(section, option)))

def imgmapanchor(self, scale=1.0, diagram='', context=''):
    from navidoc.util.path import slashify, relative_path
    # Adding javascript thingy, when target not defined
    if context.endswith('_implicit'):
        id_postfix = ''
        context = context[:len(context)-len('_implicit')]
    else:
        id_postfix = '_implicit'
        context = context + '_implicit'
            
    if self.target == '' and diagram and context:
        self.target = "javascript:setImg('"+diagram+"_img', '"+slashify(relative_path(working_directory, mp_directory))+diagram+context+midfix+".png', '#"+diagram+id_postfix+"_map')"

    if not self.target.startswith('javascript'):
        diagram = '#'+diagram
        self.target = self.target.replace('.html', '.uml.html')
    else: diagram = ''

    return """<area href="%s%s" shape="rect" coords="%s" target="%s" title="%s" alt="%s" />""" \
           % (self.target, diagram,
              ",".join(["%s"%(int(c*scale)) for c in self.corners]), '_top',
              self.title, self.title)

import navidoc.mp
navidoc.mp.MPLink.imgmapanchor = imgmapanchor