def _create_view(
self,
) -> QWebEngineView:
page = QWebEnginePage(self)
page.setHtml(
markdown.markdown(
root_configuration_as_markdown(),
),
)
view = QWebEngineView(self)
view.setPage(page)
return view
class GraphWidget(QWidget):
def __init__(self, log_console):
logger.debug(locals())
QWidget.__init__(self)
log_console.add_loggers(logger)
self.graph = None
self.webview = QWebEngineView(parent=self)
self.index = QWebEnginePage(self)
worklayout = QHBoxLayout(parent=self)
worklayout.addWidget(self.webview)
self.setLayout(worklayout)
def draw_index(self):
if not self.graph:
logger.warning("No graph to draw found!")
width = self.contentsRect().width()
height = self.contentsRect().height()
pagewidth = int(width) - 10
pageheight = int(height) - 10
logger.info(f"{width}x{height}")
html = importlib.resources.read_text(__package__,
"index.thtml",
encoding="utf-8-sig")
html = (html.replace(
"$graph",
"'" + json.dumps(networkx.node_link_data(self.graph)) +
"'" if self.graph else
"""'{"directed":true,"multigraph":true,"graph":[],"nodes":[],"links":[]}'""",
).replace("$width", str(pagewidth)).replace("$height",
str(pageheight)))
path = pathlib.Path(
QStandardPaths.writableLocation(
QStandardPaths.AppLocalDataLocation)) / "index.html"
logger.info(f"""Saving html to {path.absolute()}""")
path.write_text(html)
self.index.setHtml(html)
self.index.settings().setAttribute(QWebEngineSettings.ShowScrollBars,
False)
self.webview.setPage(self.index)
self.webview.resize(width, height)
self.webview.show()
self.update()
@Slot()
def draw_graph(self):
logger.debug(locals())
self.draw_index()
@Slot()
def get_open_file_extensions(self):
logger.debug(locals())
return ";;".join([
"Node Link Graph (*.json)",
"Adjacency Graph (*.json)",
"GraphML (.graphml)",
"LEDA (*.gw, *.lgr, *.leda)",
"Pajek (*.net)",
])
@Slot()
def get_save_file_extensions(self):
logger.debug(locals())
return ";;".join(
["Node Link Graph (*.json)", "Adjacency Graph (*.json)"])
@Slot(str, str)
def open_file(self, path: str, file_type: str):
logger.debug(locals())
if "json" in file_type.lower():
if "node link graph" in file_type.lower():
self.graph = networkx.node_link_graph(
json.loads(pathlib.Path(path).read_text()))
elif "adjacency graph" in file_type.lower():
self.graph = networkx.adjacency_graph(
json.loads(pathlib.Path(path).read_text()))
else:
raise NotImplementedError()
elif "graphml" in file_type.lower():
self.graph = networkx.read_graphml(path)
elif "leda" in file_type.lower():
self.graph = networkx.read_leda(path)
elif "pajek" in file_type.lower():
self.graph = networkx.read_pajek(path)
else:
raise NotImplementedError()
@Slot(str, str)
def save_file(self, path: str, file_type: str):
logger.debug(locals())
if not self.graph:
raise ValueError("No graph to save!")
if "json" in file_type.lower():
if "node link graph" in file_type.lower():
with pathlib.Path(path).open("w") as file_p:
data = networkx.node_link_data(self.graph)
json.dump(data, file_p)
del data
elif "adjacency graph" in file_type.lower():
with pathlib.Path(path).open("w") as file_p:
data = networkx.adjacency_data(self.graph)
json.dump(data, file_p)
del data
else:
raise NotImplementedError()
else:
raise NotImplementedError()
