generated from itdominator/Python-With-Gtk-Template
114 lines
4.2 KiB
Python
114 lines
4.2 KiB
Python
# Python imports
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import os
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# Lib imports
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import gi
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gi.require_version('Gtk', '3.0')
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gi.require_version('Gdk', '3.0')
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gi.require_version('WebKit2', '4.0')
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from gi.repository import Gtk
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from gi.repository import Gdk
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from gi.repository import WebKit2
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# Application imports
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import markdown
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from .markdown_template_mixin import MarkdownTemplateMixin
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from plugins.plugin_base import PluginBase
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class Plugin(MarkdownTemplateMixin, PluginBase):
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def __init__(self):
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super().__init__()
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self.name = "Markdown Preview" # NOTE: Need to remove after establishing private bidirectional 1-1 message bus
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# where self.name should not be needed for message comms
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self.path = os.path.dirname(os.path.realpath(__file__))
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self._GLADE_FILE = f"{self.path}/markdown_preview.glade"
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self.is_preview_paused = False
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self.is_md_file = False
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def run(self):
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WebKit2.WebView() # Need one initialized for webview to work from glade file
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self._builder = Gtk.Builder()
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self._builder.add_from_file(self._GLADE_FILE)
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self._connect_builder_signals(self, self._builder)
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separator_right = self._ui_objects[0]
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self._markdown_dialog = self._builder.get_object("markdown_preview_dialog")
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self._markdown_view = self._builder.get_object("markdown_view")
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self._web_view_settings = self._builder.get_object("web_view_settings")
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self._markdown_dialog.set_relative_to(separator_right)
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self._markdown_view.set_settings(self._web_view_settings)
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self._markdown_view.set_background_color(Gdk.RGBA(0, 0, 0, 0.0))
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def generate_reference_ui_element(self):
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...
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def subscribe_to_events(self):
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self._event_system.subscribe("tggle_markdown_preview", self._tggle_markdown_preview)
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self._event_system.subscribe("set_active_src_view", self._set_active_src_view)
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self._event_system.subscribe("buffer_changed", self._do_markdown_translate)
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def _buffer_changed_first_load(self, buffer):
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self._buffer = buffer
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self._do_markdown_translate(buffer)
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def _set_active_src_view(self, source_view):
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self._active_src_view = source_view
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self._buffer = self._active_src_view.get_buffer()
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self._do_markdown_translate(self._buffer)
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def _handle_settings(self, widget = None, eve = None):
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...
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def _tggle_preview_updates(self, widget = None, eve = None):
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self.is_preview_paused = not self.is_preview_paused
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widget.set_active(self.is_preview_paused)
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if not self.is_preview_paused:
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self._do_markdown_translate(self._buffer)
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def _tggle_markdown_preview(self, widget = None, eve = None):
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if not self._active_src_view: return
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is_visible = self._markdown_dialog.is_visible()
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buffer = self._active_src_view.get_buffer()
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data = None
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if not is_visible:
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self._markdown_dialog.popup();
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self._do_markdown_translate(buffer)
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elif not data and is_visible:
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self._markdown_dialog.popdown()
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def _do_markdown_translate(self, buffer):
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if self.is_preview_paused: return
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self.is_markdown_check()
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is_visible = self._markdown_dialog.is_visible()
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if not is_visible or not self.is_md_file: return
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self.render_markdown(buffer)
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def render_markdown(self, buffer):
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start_iter = buffer.get_start_iter()
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end_iter = buffer.get_end_iter()
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text = buffer.get_text(start_iter, end_iter, include_hidden_chars = False)
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html = markdown.markdown(text)
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path = self._active_src_view.get_current_filepath().get_parent().get_path()
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data = self.wrap_html_to_body(html)
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self._markdown_view.load_html(content = data, base_uri = f"file://{path}/")
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def is_markdown_check(self):
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self.is_md_file = self._active_src_view.get_filetype() == "markdown"
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if not self.is_md_file:
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data = self.wrap_html_to_body("<h1>Not a Markdown file...</h1>")
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self._markdown_view.load_html(content = data, base_uri = None) |