Newton_Editor/plugins/markdown_preview/plugin.py

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# Python imports
import os
# Lib imports
import gi
gi.require_version('Gtk', '3.0')
gi.require_version('WebKit2', '4.0')
from gi.repository import Gtk
from gi.repository import WebKit2
# Application imports
from plugins.plugin_base import PluginBase
class Plugin(PluginBase):
def __init__(self):
super().__init__()
self.name = "Markdown Preview" # NOTE: Need to remove after establishing private bidirectional 1-1 message bus
# where self.name should not be needed for message comms
self.path = os.path.dirname(os.path.realpath(__file__))
self._GLADE_FILE = f"{self.path}/markdown_preview.glade"
WebKit2.WebView() # Need one initialized for webview to work from glade file
def run(self):
self._builder = Gtk.Builder()
self._builder.add_from_file(self._GLADE_FILE)
self._connect_builder_signals(self, self._builder)
separator_right = self._ui_objects[0]
self._markdown_dialog = self._builder.get_object("markdown_preview_dialog")
self._web_view_settings = self._builder.get_object("web_view_settings")
def generate_reference_ui_element(self):
...
def subscribe_to_events(self):
self._event_system.subscribe("tggle_markdown_preview", self._tggle_markdown_preview)
def _set_active_src_view(self, source_view):
self._active_src_view = source_view
self._buffer = self._active_src_view.get_buffer()
def _pause_preview_updates(self):
...
def _resume_preview_updates(self):
...
def _handle_ettings(self):
...
def _tggle_markdown_preview(self, widget = None, eve = None):
is_visible = self._markdown_dialog.is_visible()
buffer = self._active_src_view.get_buffer()
data = None
if not is_visible:
self._markdown_dialog.popup();
elif not data and is_visible:
self._markdown_dialog.popdown()