#!/usr/bin/env python
'''
Copyright (C) 2009 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
'''
import inkwebeffect, gettext

_ = gettext.gettext

class InkWebTransmitAtt(inkwebeffect.InkWebEffect):

    def __init__(self):
        inkwebeffect.InkWebEffect.__init__(self)
        self.OptionParser.add_option("-a", "--att",
                        action="store", type="string",
                        dest="att", default="fill",
                        help="Attribute to set.")
        self.OptionParser.add_option("-v", "--val",
                        action="store", type="string",
                        dest="val", default="red",
                        help="Values to set.")
        self.OptionParser.add_option("-w", "--when",
                        action="store", type="string",
                        dest="when", default="onclick",
                        help="When it must to set?")
        self.OptionParser.add_option("-c", "--compatibility",
                        action="store", type="string",
                        dest="compatibility", default="append",
                        help="Compatibility with previews code to this event.")

    def effect(self):
      self.ensureInkWebSupport()

      if len(self.options.ids) < 2:
        inkwebeffect.inkex.errormsg(_("You must to select at least two elements."))
        exit(1)

      elFrom = self.selected[ self.options.ids[0] ]
      idTo = self.options.ids[1]

      prevEvCode = elFrom.get( self.options.when )
      if prevEvCode == None: prevEvCode = ""

      evCode = "InkWeb.setAtt({el:'"+idTo+"', att:'"+self.options.att+"', val:'"+self.options.val+"'})"

      if self.options.compatibility == 'append':
        evCode = prevEvCode +";\n"+ evCode
      if self.options.compatibility == 'prepend':
        evCode = evCode +";\n"+ prevEvCode

      elFrom.set( self.options.when, evCode )

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