Ethanfel/Comfyui-JSON-Manager
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Fix graph interactivity: use NiceGUI element ref and requestAnimationFrame

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The click handlers weren't attaching because getElementById couldn't
find the container — Python's id() generated IDs that didn't survive
NiceGUI's DOM rendering. Now uses getElement() with the NiceGUI
element ID and defers JS via requestAnimationFrame to ensure the
DOM is ready.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
Ethanfel
2026-02-28 00:15:56 +01:00
parent 16ed81f0db
commit 6e01cab5cd
1 changed files with 14 additions and 13 deletions
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27
tab_timeline_ng.py
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@@ -428,28 +428,30 @@ def _render_graphviz(dot_source: str, selected_node_id: str | None = None):
svg = src.pipe(format='svg').decode('utf-8')
# (a) Keep SVG at natural size, let scroll container handle overflow
container_id = f'graph-{id(dot_source)}'
html_content = (
f'<div id="{container_id}" '
f'style="overflow: auto; max-height: 500px; width: 100%;">'
html_el = ui.html(
f'<div style="overflow: auto; max-height: 500px; width: 100%;">'
f'{svg}</div>'
)
ui.html(html_content)
# (b) + (c) JS click handlers + visual feedback
# Use NiceGUI's element ID (getElement) for reliable DOM lookup
sel_escaped = selected_node_id.replace("'", "\\'") if selected_node_id else ''
ui.run_javascript(f'''
(function() {{
const container = document.getElementById('{container_id}');
requestAnimationFrame(() => {{
const wrapper = getElement({html_el.id});
if (!wrapper) return;
const container = wrapper.querySelector('div');
if (!container) return;
// CSS for interactivity
const style = document.createElement('style');
const uid = 'graph-' + {html_el.id};
container.id = uid;
style.textContent = `
#{container_id} g.node {{ cursor: pointer; }}
#{container_id} g.node:hover {{ filter: brightness(1.3); }}
#{container_id} g.node.selected ellipse,
#{container_id} g.node.selected polygon[stroke]:not([stroke="none"]) {{
#${{uid}} g.node {{ cursor: pointer; }}
#${{uid}} g.node:hover {{ filter: brightness(1.3); }}
#${{uid}} g.node.selected ellipse,
#${{uid}} g.node.selected polygon[stroke]:not([stroke="none"]) {{
stroke: #f59e0b !important;
stroke-width: 3px !important;
}}
@@ -462,7 +464,6 @@ def _render_graphviz(dot_source: str, selected_node_id: str | None = None):
const title = g.querySelector('title');
if (title) {{
window.graphSelectedNode = title.textContent.trim();
// Visual: remove old selection, add new
container.querySelectorAll('g.node.selected').forEach(
el => el.classList.remove('selected'));
g.classList.add('selected');
@@ -480,7 +481,7 @@ def _render_graphviz(dot_source: str, selected_node_id: str | None = None):
}}
}});
}}
}})();
}});
''')
except ImportError:
ui.label('Install graphviz Python package for graph rendering.').classes('text-warning')