# -*- coding: iso-8859-1 -*-
"""
    MoinMoin - FormHeader Macro

    Generates form header with some additional parameters.

    @copyright: 2008 by Peter Bodi <petrdll@centrum.sk>
    @license: GNU GPL, see COPYING for details.
"""

from MoinMoin.Page import Page
from FormBase import FormBase

class FormHeader(FormBase):
     
    def parse_args(self):
        FormBase.parse_args(self)
        
        self.action = ""
        self.actions = ()
        self.targetfile = ""
        self.targetemail = ""
        self.targetpage = ""
        
        length = len(self._main)
        
        if length > 1:
            self.action = "loadactions"
            self.actions = self._main
        elif length == 1:
            self.action = self._main[0]
            
        if self._attribs.has_key('targetfile'):
            self.targetfile = self._attribs['targetfile']
            
        if self._attribs.has_key('targetemail'):
            self.targetemail = self._attribs['targetemail']
            
        if self._attribs.has_key('targetpage'):
            self.targetpage = self._attribs['targetpage']
        
    def validate(self):
        FormBase.validate(self)    
        if not self.action:
            self.msg = self._("No action was specified in macro [%(macro)s]" % {'macro':self.module})
            raise FormValidationError(self.msg)
        
    def build(self):
        self.output += "<form enctype=\"multipart/form-data\" action=\"\" method=\"post\">\n"
        self.output += self._build_input("hidden", "doit", {'value':"Do it"})
        self.output += self._build_input("hidden", "action", {'value':self.action})
        
        if self.actions:
            for action in self.actions:
                self.output += self._build_input("hidden", "actions[]", {'value':action})
        
        if self.targetfile:
            self.output += self._build_input("hidden", "targetfile", {'value':self.targetfile})
            
        if self.targetemail:
            self.output += self._build_input("hidden", "targetemail", {'value':self.targetemail})
            
        if self.targetpage:
            page = Page(self.request, self.targetpage)
            if page.isStandardPage(False):
                self.output += self._build_input("hidden", "targetpage", {'value':self.targetpage})
            else:
                self.output += self._("Targetpage [%(targetpage)s] does not exists" % {'targetpage':self.targetpage})
        
        
        
def execute(macro, args):
    return FormHeader(macro, args).render()