WP19 #10
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@ -1,6 +1,6 @@
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import streamlit as st
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# KORREKTER IMPORT für 'pip install streamlit-cytoscapejs'
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from streamlit_cytoscapejs import st_cytoscapejs
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# WICHTIG: Wir nutzen jetzt 'st-cytoscape' (pip install st-cytoscape)
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from st_cytoscape import cytoscape
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from qdrant_client import models
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from ui_config import COLLECTION_PREFIX, GRAPH_COLORS
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from ui_callbacks import switch_to_editor_callback
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@ -11,9 +11,9 @@ def render_graph_explorer_cytoscape(graph_service):
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if "graph_center_id" not in st.session_state:
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st.session_state.graph_center_id = None
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# Layout Defaults für COSE
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st.session_state.setdefault("cy_node_repulsion", 1000000)
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st.session_state.setdefault("cy_ideal_edge_len", 150)
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# Layout Defaults für COSE (Compound Spring Embedder)
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st.session_state.setdefault("cy_node_repulsion", 1000000) # Starke Abstoßung
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st.session_state.setdefault("cy_ideal_edge_len", 200) # Ziel-Abstand
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col_ctrl, col_graph = st.columns([1, 4])
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@ -37,9 +37,9 @@ def render_graph_explorer_cytoscape(graph_service):
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st.divider()
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with st.expander("👁️ Layout Einstellungen", expanded=True):
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st.caption("COSE Layout")
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st.session_state.cy_ideal_edge_len = st.slider("Kantenlänge", 50, 500, st.session_state.cy_ideal_edge_len)
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st.session_state.cy_node_repulsion = st.slider("Knoten-Abstoßung", 100000, 2000000, st.session_state.cy_node_repulsion, step=100000)
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st.caption("COSE Layout (Optimiert für Abstände)")
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st.session_state.cy_ideal_edge_len = st.slider("Kantenlänge (Ideal)", 50, 600, st.session_state.cy_ideal_edge_len)
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st.session_state.cy_node_repulsion = st.slider("Knoten-Abstoßung", 100000, 5000000, st.session_state.cy_node_repulsion, step=100000)
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if st.button("Neu berechnen", key="cy_rerun"):
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st.rerun()
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@ -58,8 +58,10 @@ def render_graph_explorer_cytoscape(graph_service):
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# 1. Daten laden
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with st.spinner("Lade Graph..."):
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# Wir nutzen die bestehende Logik aus dem Service
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# Wir holen die Agraph-Objekte vom Service
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nodes_data, edges_data = graph_service.get_ego_graph(center_id)
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# Note Data für Editor Button
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note_data = graph_service.get_note_with_full_content(center_id)
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# 2. Action Bar
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@ -70,38 +72,49 @@ def render_graph_explorer_cytoscape(graph_service):
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if note_data:
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st.button("📝 Bearbeiten", use_container_width=True, on_click=switch_to_editor_callback, args=(note_data,), key="cy_edit")
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# 3. Konvertierung zu Cytoscape JSON
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# 3. Konvertierung zu Cytoscape JSON Format
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cy_elements = []
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# Nodes konvertieren
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for n in nodes_data:
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# Node
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# Wir bauen das 'label' so um, dass lange Titel umbrechen (optional)
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label_display = n.label
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if len(label_display) > 20: label_display = label_display[:20] + "..."
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cy_node = {
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"data": {
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"id": n.id,
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"label": n.label,
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"bg_color": n.color, # Wichtig: Eigenes Attribut für Style mapping
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"size": 40 if n.id == center_id else 25,
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"label": label_display,
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"full_label": n.label,
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"color": n.color,
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# Größe skalieren: Center größer
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"size": 60 if n.id == center_id else 40,
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# Tooltip Inhalt
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"tooltip": n.title
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},
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"selected": (n.id == center_id)
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# Zentrum markieren
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"selected": (n.id == center_id)
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}
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cy_elements.append(cy_node)
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# Edges konvertieren
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for e in edges_data:
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# Edge Fix: e.to statt e.target nutzen!
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# FIX: Agraph Edges nutzen .to, nicht .target
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# Wir prüfen sicherheitshalber beide Attribute
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target_id = getattr(e, "to", getattr(e, "target", None))
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cy_edge = {
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"data": {
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"source": e.source,
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"target": target_id, # KORRIGIERT
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"label": e.label,
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"line_color": e.color
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if target_id:
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cy_edge = {
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"data": {
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"source": e.source,
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"target": target_id,
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"label": e.label,
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"color": e.color
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}
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}
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}
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cy_elements.append(cy_edge)
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cy_elements.append(cy_edge)
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# 4. Stylesheet
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# 4. Stylesheet (Design Definitionen)
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stylesheet = [
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{
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"selector": "node",
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@ -109,82 +122,86 @@ def render_graph_explorer_cytoscape(graph_service):
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"label": "data(label)",
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"width": "data(size)",
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"height": "data(size)",
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"background-color": "data(bg_color)", # Mapping auf unser data feld
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"background-color": "data(color)",
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"color": "#333",
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"font-size": "12px",
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"font-size": "14px",
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"text-valign": "center",
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"text-halign": "center",
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"border-width": 2,
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"border-color": "#fff"
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"border-color": "#fff",
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"text-wrap": "wrap",
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"text-max-width": "100px"
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}
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},
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{
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"selector": "node:selected",
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"style": {
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"border-width": 4,
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"border-color": "#FF5733"
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"border-width": 5,
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"border-color": "#FF5733",
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"background-color": "#FF5733",
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"color": "#fff"
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}
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},
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{
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"selector": "edge",
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"style": {
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"width": 2,
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"line-color": "data(line_color)",
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"target-arrow-color": "data(line_color)",
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"width": 3,
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"line-color": "data(color)",
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"target-arrow-color": "data(color)",
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"target-arrow-shape": "triangle",
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"curve-style": "bezier",
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"label": "data(label)",
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"font-size": "10px",
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"color": "#777",
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"text-background-opacity": 1,
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"text-background-color": "#fff"
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"font-size": "11px",
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"color": "#555",
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"text-background-opacity": 0.8,
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"text-background-color": "#ffffff",
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"text-rotation": "autorotate"
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}
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}
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]
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# 5. Rendering
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# Die Bibliothek gibt eine Liste von geklickten Elementen zurück
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clicked_elements = st_cytoscapejs(
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elements=cy_elements,
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stylesheet=stylesheet,
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layout={
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"name": "cose",
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"idealEdgeLength": st.session_state.cy_ideal_edge_len,
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"nodeOverlap": 20,
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"refresh": 20,
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"fit": True,
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"padding": 30,
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"randomize": False,
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"componentSpacing": 100,
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"nodeRepulsion": st.session_state.cy_node_repulsion,
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"edgeElasticity": 100,
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"nestingFactor": 5,
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"gravity": 80,
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"numIter": 1000,
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"initialTemp": 200,
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"coolingFactor": 0.95,
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"minTemp": 1.0
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},
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key="cyto_graph_obj",
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height="800px"
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)
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# 5. Rendering mit COSE Layout
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# COSE ist der Schlüssel für gute Abstände!
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with st.spinner("Berechne Layout..."):
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selected_element = cytoscape(
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elements=cy_elements,
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stylesheet=stylesheet,
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layout={
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"name": "cose",
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"idealEdgeLength": st.session_state.cy_ideal_edge_len,
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"nodeOverlap": 20,
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"refresh": 20,
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"fit": True,
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"padding": 50,
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"randomize": False,
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"componentSpacing": 200,
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"nodeRepulsion": st.session_state.cy_node_repulsion,
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"edgeElasticity": 100,
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"nestingFactor": 5,
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"gravity": 50,
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"numIter": 1000,
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"initialTemp": 200,
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"coolingFactor": 0.95,
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"minTemp": 1.0
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},
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key="cyto_graph_obj", # Ein fester Key ist hier okay, da das Layout-Dict sich ändert
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height="700px"
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)
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# Interaktion: Klick Event verarbeiten
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if clicked_elements:
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# clicked_elements ist eine Liste von Dictionaries
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# Wir suchen nach einem Node-Klick
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for el in clicked_elements:
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# Prüfen ob es ein Node ist (hat 'id' aber keine 'source'/'target' im root,
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# allerdings liefert die Lib oft die rohen Daten)
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# Wir schauen auf die ID.
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clicked_id = el.get("data", {}).get("id") if "data" in el else el.get("id")
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# st-cytoscape gibt ein Dictionary zurück
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if selected_element:
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# Prüfen, ob es ein Node-Klick war
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# Die Struktur ist: {'nodes': ['id1', 'id2'], 'edges': [...]}
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clicked_nodes = selected_element.get("nodes", [])
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if clicked_nodes:
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# Wir nehmen den ersten (und meist einzigen) selektierten Node
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clicked_id = clicked_nodes[0]
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if clicked_id and clicked_id != center_id:
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# Safety check: ist es eine edge? Edges haben source/target
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is_edge = "source" in el.get("data", {})
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if not is_edge:
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st.session_state.graph_center_id = clicked_id
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st.rerun()
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st.session_state.graph_center_id = clicked_id
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st.rerun()
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else:
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st.info("👈 Bitte wähle links eine Notiz aus.")
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Loading…
Reference in New Issue
Block a user