95 lines
3.3 KiB
Python
95 lines
3.3 KiB
Python
import streamlit as st
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import json
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import graphviz
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from history_tree import HistoryTree
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from utils import save_json
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def render_timeline_tab(data, file_path):
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tree_data = data.get("history_tree", {})
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if not tree_data:
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st.info("No history timeline exists for this file yet. Make some changes in the Editor first!")
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return
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htree = HistoryTree(tree_data)
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# 1. STATUS INDICATOR
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if 'restored_indicator' in st.session_state and st.session_state.restored_indicator:
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st.info(f"📍 You are currently viewing restored version: **{st.session_state.restored_indicator}**")
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# 2. Horizontal Visualizer (Compact)
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st.caption("Timeline")
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try:
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graph_dot = htree.generate_horizontal_graph()
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st.graphviz_chart(graph_dot, use_container_width=True)
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except Exception as e:
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st.error(f"Graph Error: {e}")
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st.markdown("---")
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col_sel, col_act = st.columns([3, 1])
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all_nodes = list(htree.nodes.values())
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all_nodes.sort(key=lambda x: x["timestamp"], reverse=True)
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def fmt_node(n):
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return f"{n.get('note', 'Step')} ({n['id']})"
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with col_sel:
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current_idx = 0
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for i, n in enumerate(all_nodes):
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if n["id"] == htree.head_id:
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current_idx = i
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break
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selected_node = st.selectbox(
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"Inspect Node:",
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all_nodes,
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format_func=fmt_node,
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index=current_idx
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)
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if selected_node:
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node_data = selected_node["data"]
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with st.expander(f"📝 Data Inspector: {selected_node.get('note')}", expanded=False):
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edited_json_str = st.text_area(
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"Raw Data",
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value=json.dumps(node_data, indent=4),
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height=300
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)
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with col_act:
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st.write(""); st.write("")
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if st.button("⏪ Restore", type="primary", use_container_width=True):
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try:
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new_data_content = json.loads(edited_json_str)
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data.update(new_data_content)
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htree.head_id = selected_node['id']
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data["history_tree"] = htree.to_dict()
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save_json(file_path, data)
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st.session_state.ui_reset_token += 1
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# SET INDICATOR
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node_label = f"{selected_node.get('note', 'Step')} ({selected_node['id'][:4]})"
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st.session_state.restored_indicator = node_label
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st.toast(f"Restored to {selected_node['id']}!", icon="🔄")
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st.rerun()
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except json.JSONDecodeError:
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st.error("Invalid JSON format.")
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with st.expander("Danger Zone"):
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if st.button("🗑️ Delete Node"):
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if selected_node['id'] in htree.nodes:
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del htree.nodes[selected_node['id']]
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for b, tip in list(htree.branches.items()):
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if tip == selected_node['id']:
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del htree.branches[b]
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data["history_tree"] = htree.to_dict()
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save_json(file_path, data)
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st.rerun()
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