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from gi.repository import GObject, Gtk, Pango
from xml.etree import ElementTree as ET
class Section:
def __init__(self, name, start, end):
self.name = name
self.start = start
self.end = end
class Word:
def __init__(self, text, start, end):
self.text = text
self.start = start
self.end = end
class XmlView(Gtk.ScrolledWindow):
def __init__(self, filename):
super(XmlView, self).__init__()
self.sections = []
self.words = []
self.view = Gtk.TextView()
self.view.set_editable(False)
self.view.set_cursor_visible(False)
self.buffer = self.view.get_buffer()
self.set_policy(Gtk.PolicyType.NEVER, Gtk.PolicyType.ALWAYS)
self.add_with_viewport(self.view)
#self.inactive_section = self.buffer.create_tag("inactive_section", background="#ffffff")
self.active_section = self.buffer.create_tag("active_section", background="red")
self.section_title = self.buffer.create_tag("section_title", scale=2, weight=Pango.Weight.BOLD, justification=Gtk.Justification.CENTER)
self.subsection_title = self.buffer.create_tag("subsection_title", scale=1.5, weight=Pango.Weight.BOLD, justification=Gtk.Justification.CENTER)
self.parse_xml(filename)
self.last_section = None
self.show_section(0)
def get_view(self):
return self
def parse_sequence(self, sequence, name):
self.buffer.insert_with_tags(self.buffer.get_end_iter(), 'Sequence %s\n' % name, self.subsection_title)
text = str(sequence.text)
for node in sequence:
text += node.text
text += node.tail
for line in text.split('\n'):
line = line.strip()
if line != '':
self.buffer.insert_with_tags(self.buffer.get_end_iter(), ' %s\n' % line)
def parse_section(self, section):
name = section.get('id')
section_start = self.buffer.create_mark('section-start %s' % name, self.buffer.get_end_iter(), True)
self.buffer.insert_with_tags(self.buffer.get_end_iter(), 'Section %s\n' % section.get('id'), self.section_title)
num = 1
for sequence in section.findall('./sequence'):
self.parse_sequence(sequence, section.get('id') + '.' + str(num))
num += 1
self.sections.append(Section(name, section_start, self.buffer.create_mark('section-end %s' % name, self.buffer.get_end_iter(), True)))
def parse_xml(self, filename):
root = ET.parse(filename)
treestore = Gtk.TreeStore(str)
for section in root.findall(".//section"):
self.parse_section(section)
return treestore
def show_section(self, section):
if self.last_section != None:
self.buffer.remove_tag(self.active_section,
self.buffer.get_iter_at_mark(self.sections[self.last_section].start),
self.buffer.get_iter_at_mark(self.sections[self.last_section].end))
self.last_section = section
self.buffer.apply_tag(self.active_section,
self.buffer.get_iter_at_mark(self.sections[section].start),
self.buffer.get_iter_at_mark(self.sections[section].end))