# -*- coding: utf-8 -*-
##############################################################################
#
# Copyright (c) 2002-2006 Nexedi SARL and Contributors. All Rights Reserved.
#                    Jean-Paul Smets <jp@nexedi.com>
#
# WARNING: This program as such is intended to be used by professional
# programmers who take the whole responsability of assessing all potential
# consequences resulting from its eventual inadequacies and bugs
# End users who are looking for a ready-to-use solution with commercial
# garantees and support are strongly adviced to contract a Free Software
# Service Company
#
# 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 Products.Formulator import Widget, Validator
from Products.Formulator.Widget import render_element
from Products.Formulator.Field import ZMIField
from Products.Formulator.DummyField import fields
from Products.ERP5Type.Utils import convertToUpperCase
from Products.CMFCore.utils import getToolByName

from Products.PageTemplates.PageTemplateFile import PageTemplateFile

from Products.ERP5Type.Globals import get_request
from Products.PythonScripts.Utility import allow_class

from Products.PythonScripts.standard import url_quote_plus

import string

from zLOG import LOG

class EditorWidget(Widget.TextAreaWidget):
  """
    A widget that displays a GUI HTML editor widget (based
    on CKEditor). This widget is intended to be used in
    conjunction with WebSite.
    This Widget does not escape values.

    TODO:
        - implement validation
        - extend to other widgets (kupu) ?
  """

  property_names = Widget.TextAreaWidget.property_names + [
   'text_editor'
  ]

  text_editor = fields.ListField('text_editor',
                                   title='Text Editor',
                                   description=(
        "The text editor widget to use."
        ""),
                                   default="text_area",
                                   required=1,
                                   size=1,
                                   items=[('Standard Text Area', 'text_area'),
                                          ('CKEditor', 'fck_editor'),
                                          ('SVG Editor', 'svg_editor'),
                                          ('Spreadsheet Editor', 'spreadsheet_editor'),
                                          ('CodeMirror', 'codemirror')])

  def render(self, field, key, value, REQUEST, render_prefix=None):
    """
      Render editor
    """
    if REQUEST is None:
      REQUEST = get_request()
    here = REQUEST['here']
    text_editor = field.get_value('text_editor')
    if text_editor == "svg_editor":
      svg_editor_support = getattr(here, 'svg_editor_support', None)
      if svg_editor_support is not None:
        return svg_editor_support.pt_render()
    elif text_editor == "spreadsheet_editor":
      sheet_editor_support = getattr(here, 'sheet_editor_support', None)
      if sheet_editor_support is not None:
        return sheet_editor_support.pt_render()
    elif text_editor == 'monaco':
      monaco_editor_support = getattr(here, 'monaco_editor_support', None)
      if monaco_editor_support is not None:
        mode = "python"
        portal_type = here.getPortalType()
        if portal_type == "Web Page":
          mode = "htmlmixed"
        elif portal_type == "Web Script":
          mode = "javascript"
        elif portal_type == "Web Style":
          mode = "css"
        site_root = here.getWebSiteValue() or here.getPortalObject()
        return monaco_editor_support(
                field=field,
                content=value,
                field_id=key,
                portal_url=site_root.absolute_url(),
                mode=mode)
    elif text_editor == 'codemirror':
      code_mirror_support = getattr(here, 'code_mirror_support', None)
      if code_mirror_support is not None:
        mode = "python"
        portal_type = here.getPortalType()
        if portal_type == "Web Page":
          mode = "htmlmixed"
        elif portal_type == "Web Script":
          mode = "javascript"
        elif portal_type == "Web Style":
          mode = "css"
        site_root = here.getWebSiteValue() or here.getPortalObject()
        portal_type = here.getPortalType()
        return code_mirror_support(field=field,
                                   content=value,
                                   field_id=key,
                                   portal_url=site_root.absolute_url(),
                                   mode=mode,
                                   keymap=site_root.portal_preferences.getPreferredSourceCodeEditorKeymap(),
                                   portal_type=portal_type)
    elif text_editor != 'text_area':
      return here.fckeditor_wysiwyg_support.pt_render(
           extra_context= {
                          'inputvalue' : value,
                          'inputname'  : key
                        })
    return Widget.TextAreaWidget.render(self, field, key, value, REQUEST)

  def render_view(self, field, value, REQUEST=None, render_prefix=None):
    """
      Render form in view only mode.
    """
    if value is None:
      value = ''
    return render_element("div",
                          css_class=field.get_value('css_class'),
                          contents=value,
                          extra=field.get_value('extra'))

EditorWidgetInstance = EditorWidget()

class EditorField(ZMIField):
  meta_type = "EditorField"

  widget = EditorWidgetInstance
  validator = Validator.TextValidatorInstance

  def _get_user_input_value(self, key, REQUEST):
    """
    Try to get a value of the field from the REQUEST
    """
    # because non-editable editor fields are used to render raw HTML, we don't
    # initialize them with user input.
    if self.get_value('editable'):
      return REQUEST.form[key]
    raise KeyError(key)
