#!/bin/python
# -*- tab-width: 4; indent-tabs-mode: nil; py-indent-offset: 4 -*-
#
# This file is part of the LibreOffice project.
#
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.

# this should parse a .ui and overwrite it with the same content
# for a in `git ls-files "*.ui"`; do bin/ui-converter-skeleton.py $a; done

import lxml.etree as etree
import sys

def add_truncate_multiline(current):
  use_truncate_multiline = False
  istarget = current.get('class') == "GtkEntry" or current.get('class') == "GtkSpinButton"
  insertpos = 0
  for child in current:
    add_truncate_multiline(child)
    insertpos = insertpos + 1;
    if not istarget:
        continue
    if child.tag == "property":
      attributes = child.attrib
      if attributes.get("name") == "truncate_multiline" or attributes.get("name") == "truncate-multiline":
        use_truncate_multiline = True

  if istarget and not use_truncate_multiline:
      truncate_multiline = etree.Element("property")
      attributes = truncate_multiline.attrib
      attributes["name"] = "truncate-multiline"
      truncate_multiline.text = "True"
      current.insert(insertpos - 1, truncate_multiline)

def do_replace_button_use_stock(current, use_stock, use_underline, label, insertpos):
  if not use_underline:
      underline = etree.Element("property")
      attributes = underline.attrib
      attributes["name"] = "use-underline"
      underline.text = "True"
      current.insert(insertpos - 1, underline)
  current.remove(use_stock)
  attributes = label.attrib
  attributes["translatable"] = "yes"
  attributes["context"] = "stock"
  if label.text == 'gtk-add':
    label.text = "_Add"
  elif label.text == 'gtk-apply':
    label.text = "_Apply"
  elif label.text == 'gtk-cancel':
    label.text = "_Cancel"
  elif label.text == 'gtk-close':
    label.text = "_Close"
  elif label.text == 'gtk-delete':
    label.text = "_Delete"
  elif label.text == 'gtk-edit':
    label.text = "_Edit"
  elif label.text == 'gtk-help':
    label.text = "_Help"
  elif label.text == 'gtk-new':
    label.text = "_New"
  elif label.text == 'gtk-no':
    label.text = "_No"
  elif label.text == 'gtk-ok':
    label.text = "_OK"
  elif label.text == 'gtk-remove':
    label.text = "_Remove"
  elif label.text == 'gtk-revert-to-saved':
    label.text = "_Reset"
  elif label.text == 'gtk-yes':
    label.text = "_yes"
  else:
    raise("unknown label")

def replace_button_use_stock(current):
  use_underline = False
  use_stock = None
  label = None
  isbutton = current.get('class') == "GtkButton"
  insertpos = 0
  for child in current:
    replace_button_use_stock(child)
    insertpos = insertpos + 1;
    if not isbutton:
        continue
    if child.tag == "property":
      attributes = child.attrib
      if attributes.get("name") == "use_underline" or attributes.get("name") == "use-underline":
        use_underline = True
      if attributes.get("name") == "use_stock" or attributes.get("name") == "use-stock":
        use_stock = child
      if attributes.get("name") == "label":
        label = child

  if isbutton and use_stock != None:
    do_replace_button_use_stock(current, use_stock, use_underline, label, insertpos)

with open(sys.argv[1], encoding="utf-8") as f:
  header = f.readline()
  firstline = f.readline()
  # the comment after the xml declaration goes missing unless we provide a
  # custom doctype with tostring that contains the comment as a line after
  # the true doctype
  if firstline.startswith("<!--"):
    header = header + firstline
  f.seek(0)
  # remove_blank_text so pretty-printed input doesn't disrupt pretty-printed
  # output if nodes are added or removed
  parser = etree.XMLParser(remove_blank_text=True)
  tree = etree.parse(f, parser)
  # make sure <property name="label" translatable="no"></property> stays like that
  # and doesn't change to <property name="label" translatable="no"/>
  for status_elem in tree.xpath("//property[@name='label' and string() = '']"):
    status_elem.text = ""
  root = tree.getroot()

# do some targeted conversion here
# tdf#138848 Copy-and-Paste in input box should not append an ENTER character
if not sys.argv[1].endswith('/multiline.ui'): # let this one alone not truncate multiline pastes
  add_truncate_multiline(root)
replace_button_use_stock(root)

with open(sys.argv[1], 'wb') as o:
  # without encoding='unicode' (and the matching encode("utf8")) we get &#XXXX replacements for non-ascii characters
  # which we don't want to see changed in the output
  o.write(etree.tostring(root, pretty_print=True, method='xml', encoding='unicode', doctype=header[0:-1]).encode("utf8"))

# vim: set shiftwidth=4 softtabstop=4 expandtab: