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webslicer_create_group.py

#!/usr/bin/env python
'''
Copyright (C) 2010 Aurelio A. Heckert, aurium (a) gmail dot com

This program 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.

This program 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 this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
'''

from webslicer_effect import *
import inkex
import gettext

_ = gettext.gettext

class WebSlicer_CreateGroup(WebSlicer_Effect):

    def __init__(self):
        WebSlicer_Effect.__init__(self)
        self.OptionParser.add_option("--html-id",
                                     action="store", type="string",
                                     dest="html_id",
                                     help="")
        self.OptionParser.add_option("--html-class",
                                     action="store", type="string",
                                     dest="html_class",
                                     help="")
        self.OptionParser.add_option("--width-unity",
                                     action="store", type="string",
                                     dest="width_unity",
                                     help="")
        self.OptionParser.add_option("--height-unity",
                                     action="store", type="string",
                                     dest="height_unity",
                                     help="")
        self.OptionParser.add_option("--bg-color",
                                     action="store", type="string",
                                     dest="bg_color",
                                     help="")


    def get_base_elements(self):
        self.layer = self.get_slicer_layer()
        if is_empty(self.layer):
            inkex.errormsg(_('You must to create and select some "Slicer rectangles" before try to group.'))
            exit(3)
        self.layer_descendants = self.get_descendants_in_array(self.layer)


    def get_descendants_in_array(self, el):
        descendants = el.getchildren()
        for e in descendants:
            descendants.extend( self.get_descendants_in_array(e) )
        return descendants


    def effect(self):
        self.get_base_elements()
        if len(self.selected) == 0:
            inkex.errormsg(_('You must to select some "Slicer rectangles" or other "Layout groups".'))
            exit(1)
        for id,node in self.selected.iteritems():
            if node not in self.layer_descendants:
                inkex.errormsg(_('Opss... The element "%s" is not in the Web Slicer layer') % id)
                exit(2)
        g_parent = self.getParentNode(node)
        group = inkex.etree.SubElement(g_parent, 'g')
        desc = inkex.etree.SubElement(group, 'desc')
        desc.text = self.get_conf_text_from_list(
            [ 'html_id', 'html_class',
              'width_unity', 'height_unity',
              'bg_color' ] )

        for id,node in self.selected.iteritems():
            group.insert( 1, node )


if __name__ == '__main__':
    e = WebSlicer_CreateGroup()
    e.affect()

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