def show_preview(self, loaded=False):
if loaded:
self.scrolled_window.remove(self.scrolled_window.get_child())
self.scrolled_window.add(self.preview_webview)
self.preview_webview.show()
self.queue_draw()
else:
# Insert a tag with ID to scroll to
# self.TextBuffer.insert_at_cursor('<span id="scroll_mark"></span>')
# TODO
# Find a way to find the next header, scroll to the next header.
# TODO: provide a local version of mathjax
# We need to convert relative routes to absolute ones
# For that first we need to know if the file is saved:
if self.filename:
base_path = os.path.dirname(self.filename)
else:
base_path = ''
os.environ['PANDOC_PREFIX'] = base_path + '/'
args = ['pandoc',
'-s',
'--from=markdown',
'--to=html5',
'--mathjax',
'--css=' + Theme.get_current().web_css_path,
'--quiet',
'--lua-filter=' + helpers.get_script_path('relative_to_absolute.lua'),
'--lua-filter=' + helpers.get_script_path('task-list.lua')]
# TODO: find a way to pass something like this instead of the quiet arg
#'--metadata pagetitle="test"',
proc = subprocess.Popen(
args, stdin=subprocess.PIPE, stdout=subprocess.PIPE)
text = bytes(self.get_text(), "utf-8")
output = proc.communicate(text)[0]
if self.preview_webview is None:
self.preview_webview = WebKit.WebView()
self.preview_webview.get_settings().set_allow_universal_access_from_file_urls(True)
# Delete the cursor-scroll mark again
# cursor_iter = self.TextBuffer.get_iter_at_mark(self.TextBuffer.get_insert())
# begin_del = cursor_iter.copy()
# begin_del.backward_chars(30)
# self.TextBuffer.delete(begin_del, cursor_iter)
# Show preview once the load is finished
self.preview_webview.connect("load-changed", self.on_preview_load_change)
# This saying that all links will be opened in default browser, \
# but local files are opened in appropriate apps:
self.preview_webview.connect("decide-policy", self.on_click_link)
self.preview_webview.load_html(output.decode("utf-8"), 'file://localhost/')
def export(self, text=""):
"""Export to pdf, html or odt the given text
Keyword Arguments:
text {str} -- Text to export (default: {""})
"""
export_format = self.stack.get_visible_child_name()
if export_format == "advanced":
self.advanced_export(text)
else:
filename = self.filechoosers[export_format].get_filename()
if filename.endswith("." + export_format):
filename = filename[:-len(export_format) - 1]
output_dir = os.path.abspath(os.path.join(filename,
os.path.pardir))
basename = os.path.basename(filename)
args = ['pandoc', '--from=markdown', '-s']
if export_format == "pdf":
args.append("-o%s.pdf" % basename)
elif export_format == "odt":
args.append("-o%s.odt" % basename)
elif export_format == "html":
css = Theme.ADWAITA.get_gtk_css_file()
relativize = helpers.get_script_path(
'relative_to_absolute.lua')
task_list = helpers.get_script_path('task-list.lua')
args.append("-c%s" % css)
args.append("-o%s.html" % basename)
args.append("--mathjax")
args.append("--lua-filter=" + relativize)
args.append("--lua-filter=" + task_list)
proc = subprocess.Popen(args,
stdin=subprocess.PIPE,
stdout=subprocess.PIPE,
cwd=output_dir)
_ = proc.communicate(text)[0]
def toggle_preview(self, state):
if state.get_boolean():
# Insert a tag with ID to scroll to
# self.TextBuffer.insert_at_cursor('<span id="scroll_mark"></span>')
# TODO
# Find a way to find the next header, scroll to the next header.
# TODO: provide a local version of mathjax
# We need to convert relative routes to absolute ones
# For that first we need to know if the file is saved:
if self.filename:
base_path = os.path.dirname(self.filename)
else:
base_path = ''
os.environ['PANDOC_PREFIX'] = base_path + '/'
# Set the styles according the color theme
if self.settings.get_value("dark-mode"):
stylesheet = helpers.get_media_path('uberwriter_dark.css')
else:
stylesheet = helpers.get_media_path('uberwriter.css')
args = [
'pandoc', '-s', '--from=markdown', '--to=html5', '--mathjax',
'--css=' + stylesheet, '--lua-filter=' +
helpers.get_script_path('relative_to_absolute.lua'),
'--lua-filter=' + helpers.get_script_path('task-list.lua')
]
p = subprocess.Popen(args,
stdin=subprocess.PIPE,
stdout=subprocess.PIPE)
text = bytes(self.get_text(), "utf-8")
output = p.communicate(text)[0]
# Load in Webview and scroll to #ID
self.webview = WebKit.WebView()
self.webview_settings = self.webview.get_settings()
self.webview_settings.set_allow_universal_access_from_file_urls(
True)
self.webview.load_html(output.decode("utf-8"), 'file://localhost/')
# Delete the cursor-scroll mark again
# cursor_iter = self.TextBuffer.get_iter_at_mark(self.TextBuffer.get_insert())
# begin_del = cursor_iter.copy()
# begin_del.backward_chars(30)
# self.TextBuffer.delete(begin_del, cursor_iter)
self.ScrolledWindow.remove(self.TextEditor)
self.ScrolledWindow.add(self.webview)
self.webview.show()
# This saying that all links will be opened in default browser, \
# but local files are opened in appropriate apps:
self.webview.connect("decide-policy", self.on_click_link)
else:
self.ScrolledWindow.remove(self.webview)
self.webview.destroy()
self.ScrolledWindow.add(self.TextEditor)
self.TextEditor.show()
self.queue_draw()
return True