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#!/usr/bin/env python3
#
# 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/.
#
# Takes a LibreOffice .ui file and provides linting tips for maintaining
# a consistent look for dialogs
import sys
# Force python XML parser not faster C accelerators
# because we can't hook the C implementation
sys.modules['_elementtree'] = None
import xml.etree.ElementTree as ET
import re
DEFAULT_WARNING_STR = 'Lint assertion failed'
POSSIBLE_TOP_LEVEL_WIDGETS = ['GtkDialog', 'GtkMessageDialog', 'GtkBox', 'GtkFrame', 'GtkGrid',
'GtkAssistant', 'GtkToolbar', 'GtkNotebook', 'GtkPopover', 'GtkWindow', 'GtkPaned', 'GtkScrolledWindow']
IGNORED_TOP_LEVEL_WIDGETS = ['GtkAdjustment', 'GtkImage', 'GtkListStore', 'GtkSizeGroup', 'GtkMenu', 'GtkTextBuffer', 'GtkTreeStore']
BORDER_WIDTH = '6'
BUTTON_BOX_SPACING = '12'
ALIGNMENT_TOP_PADDING = '6'
#https://developer.gnome.org/hig-book/3.0/windows-alert.html.en#alert-spacing
MESSAGE_BOX_SPACING = '24'
MESSAGE_BORDER_WIDTH = '12'
IGNORED_WORDS = ['the', 'of', 'to', 'for', 'a', 'and', 'as', 'from', 'on', 'into', 'by', 'at', 'or', 'do', 'in', 'when', 'no']
# Hook the XML parser and add line number attributes
class LineNumberingParser(ET.XMLParser):
def _start(self, *args, **kwargs):
# Here we assume the default XML parser which is expat
# and copy its element position attributes into output Elements
element = super(self.__class__, self)._start(*args, **kwargs)
element._start_line_number = self.parser.CurrentLineNumber
element._start_column_number = self.parser.CurrentColumnNumber
element._start_byte_index = self.parser.CurrentByteIndex
return element
def _end(self, *args, **kwargs):
element = super(self.__class__, self)._end(*args, **kwargs)
element._end_line_number = self.parser.CurrentLineNumber
element._end_column_number = self.parser.CurrentColumnNumber
element._end_byte_index = self.parser.CurrentByteIndex
return element
def lint_assert(predicate, warning=DEFAULT_WARNING_STR, node=None):
if not predicate:
if not(node is None):
print(sys.argv[1] + ":" + str(node._start_line_number) + ": " + warning)
else:
print(sys.argv[1] + ": " + warning)
def check_top_level_widget(element):
# check widget type
widget_type = element.attrib['class']
if not(widget_type in POSSIBLE_TOP_LEVEL_WIDGETS):
return
# check border_width property
border_width_properties = element.findall("property[@name='border_width']")
# TODO reenable when we are ready to fix
#if len(border_width_properties) < 1:
# lint_assert(False, "No border_width set on top level widget. Should probably be " + BORDER_WIDTH)
#if len(border_width_properties) == 1:
# border_width = border_width_properties[0]
# if widget_type == "GtkMessageDialog":
# lint_assert(border_width.text == MESSAGE_BORDER_WIDTH,
# "Top level 'border_width' property should be " + MESSAGE_BORDER_WIDTH, border_width)
# else:
# lint_assert(border_width.text == BORDER_WIDTH,
# "Top level 'border_width' property should be " + BORDER_WIDTH, border_width)
# check that any widget which has 'has-default' also has 'can-default'
for widget in element.findall('.//object'):
if not widget.attrib['class']:
continue
widget_type = widget.attrib['class']
has_defaults = widget.findall("./property[@name='has_default']")
if len(has_defaults) > 0 and has_defaults[0].text == "True":
can_defaults = widget.findall("./property[@name='can_default']")
lint_assert(len(can_defaults)>0 and can_defaults[0].text == "True",
"has_default without can_default in " + widget_type + " with id = '" + widget.attrib['id'] + "'", widget)
def check_button_box_spacing(element):
spacing = element.findall("property[@name='spacing']")
lint_assert(len(spacing) > 0 and spacing[0].text == BUTTON_BOX_SPACING,
"Button box 'spacing' should be " + BUTTON_BOX_SPACING,
element)
def check_message_box_spacing(element):
spacing = element.findall("property[@name='spacing']")
lint_assert(len(spacing) > 0 and spacing[0].text == MESSAGE_BOX_SPACING,
"Message box 'spacing' should be " + MESSAGE_BOX_SPACING,
element)
def check_radio_buttons(root):
radios = [element for element in root.findall('.//object') if element.attrib['class'] == 'GtkRadioButton']
for radio in radios:
radio_underlines = radio.findall("./property[@name='use_underline']")
assert len(radio_underlines) <= 1
if len(radio_underlines) < 1:
lint_assert(False, "No use_underline in GtkRadioButton with id = '" + radio.attrib['id'] + "'", radio)
def check_adjustments(root):
adjustments = [element for element in root.findall('.//object') if element.attrib['class'] == 'GtkAdjustment']
for adjustment in adjustments:
uppers = adjustment.findall("./property[@name='upper']")
assert len(uppers) <= 1
if len(uppers) < 1:
lint_assert(False, "No upper in GtkAdjustment with id = '" + adjustment.attrib['id'] + "'", adjustment)
def check_menu_buttons(root):
buttons = [element for element in root.findall('.//object') if element.attrib['class'] == "GtkMenuButton"]
for button in buttons:
labels = button.findall("./property[@name='label']")
images = button.findall("./property[@name='image']")
assert(len(labels) <= 1)
if len(labels) < 1 and len(images) < 1:
if sys.argv[1] == "vcl/uiconfig/ui/combobox.ui": and button.attrib['id'] == "overlaybutton":
pass
else:
lint_assert(False, "No label in GtkMenuButton with id = '" + button.attrib['id'] + "'", button)
def check_check_buttons(root):
radios = [element for element in root.findall('.//object') if element.attrib['class'] == 'GtkCheckButton']
for radio in radios:
radio_underlines = radio.findall("./property[@name='use_underline']")
assert len(radio_underlines) <= 1
if len(radio_underlines) < 1:
lint_assert(False, "No use_underline in GtkCheckButton with id = '" + radio.attrib['id'] + "'", radio)
def check_frames(root):
frames = [element for element in root.findall('.//object') if element.attrib['class'] == 'GtkFrame']
for frame in frames:
frame_alignments = frame.findall("./child/object[@class='GtkAlignment']")
assert len(frame_alignments) <= 1
if len(frame_alignments) < 1:
lint_assert(False, "No GtkAlignment in GtkFrame with id = '" + frame.attrib['id'] + "'", frame)
if len(frame_alignments) == 1:
alignment = frame_alignments[0]
check_alignment_top_padding(alignment)
def check_alignment_top_padding(alignment):
top_padding_properties = alignment.findall("./property[@name='top_padding']")
assert len(top_padding_properties) <= 1
# TODO reenable when we are ready to fix
# if len(top_padding_properties) < 1:
# lint_assert(False, "No GtkAlignment 'top_padding' set. Should probably be " + ALIGNMENT_TOP_PADDING, alignment)
#if len(top_padding_properties) == 1:
# top_padding = top_padding_properties[0]
# lint_assert(top_padding.text == ALIGNMENT_TOP_PADDING,
# "GtkAlignment 'top_padding' should be " + ALIGNMENT_TOP_PADDING, alignment)
def check_title_labels(root):
labels = root.findall(".//child[@type='label']")
for label in labels:
title = label.find(".//property[@name='label']")
if title is None:
continue
words = re.split(r'[^a-zA-Z0-9:_-]', title.text)
first = True
for word in words:
if len(word) and word[0].islower() and (word not in IGNORED_WORDS) and not first:
context = title.attrib['context']
# exclude a couple of whole sentences
if sys.argv[1] == "cui/uiconfig/ui/optpathspage.ui" and context == "optpathspage|label1":
pass
elif sys.argv[1] == "dbaccess/uiconfig/ui/password.ui" and context == "password|label1":
pass
elif sys.argv[1] == "sc/uiconfig/scalc/ui/datastreams.ui" and context == "datastreams|label4":
pass
elif sys.argv[1] == "sc/uiconfig/scalc/ui/scgeneralpage.ui" and context == "scgeneralpage|label6":
pass
elif sys.argv[1] == "sfx2/uiconfig/ui/documentfontspage.ui" and context == "documentfontspage|fontScriptFrameLabel":
pass
elif sys.argv[1] == "sw/uiconfig/swriter/ui/testmailsettings.ui" and context == "testmailsettings|label8":
pass
elif sys.argv[1] == "sw/uiconfig/swriter/ui/optcomparison.ui" and context == "optcomparison|setting":
pass
elif sys.argv[1] == "sw/uiconfig/swriter/ui/optcompatpage.ui" and context == "optcompatpage|label11":
pass
elif sys.argv[1] == "sw/uiconfig/swriter/ui/optcaptionpage.ui" and context == "optcaptionpage|label1":
pass
elif sys.argv[1] == "sw/uiconfig/swriter/ui/mmresultemaildialog.ui" and context == "mmresultemaildialog|attachft":
pass
elif sys.argv[1] == "sw/uiconfig/swriter/ui/mailmerge.ui" and context == "mailmerge|singledocument":
pass
elif sys.argv[1] == "cui/uiconfig/ui/acorexceptpage.ui" and context == "acorexceptpage|label2":
pass
elif sys.argv[1] == "dbaccess/uiconfig/ui/dbwizmysqlintropage.ui" and context == "dbwizmysqlintropage|label1":
pass
else:
lint_assert(False, "The word '" + word + "' should be capitalized", label)
first = False
def main():
tree = ET.parse(sys.argv[1], parser=LineNumberingParser())
root = tree.getroot()
if sys.argv[1] != "libreofficekit/qa/gtktiledviewer/gtv.ui":
lint_assert('domain' in root.attrib, "interface needs to specify translation domain")
top_level_widgets = [element for element in root.findall('object') if element.attrib['class'] not in IGNORED_TOP_LEVEL_WIDGETS]
# eg. one file contains only a Menu, which we don't check
if len(top_level_widgets) == 0:
return
for top_level_widget in top_level_widgets:
check_top_level_widget(top_level_widget)
# TODO - only do this if we have a GtkDialog?
# check button box spacing
button_box = top_level_widget.findall("./child/object[@id='dialog-vbox1']")
if len(button_box) > 0:
element = button_box[0]
# TODO reenable when we are ready to fix
#check_button_box_spacing(element)
message_box = top_level_widget.findall("./child/object[@id='messagedialog-vbox']")
if len(message_box) > 0:
element = message_box[0]
# TODO reenable when we are ready to fix
#check_message_box_spacing(element)
check_frames(root)
# TODO reenable when we are ready to fix
#check_radio_buttons(root)
check_menu_buttons(root)
# TODO reenable when we are ready to fix
#check_check_buttons(root)
check_title_labels(root)
if __name__ == "__main__":
main()
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